CN210092169U

CN210092169U - Lithium iron phosphate power battery pack for low-speed vehicle

Info

Publication number: CN210092169U
Application number: CN201921036128.8U
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 low-speed car lithium iron phosphate power battery group, including shell body and a plurality of lithium power battery group, the shell body front side surface middle part of mounting groove one side is equipped with the scavenger fan, the outside activity in shell body top equipment hole is provided with the closing cap, the outer shell body inner wall bottom of division board one side is provided with the controller through mount pad longitudinal fixation, the outer shell body inner wall upper end between controller and the division board is horizontal fixed and is provided with the vacuum tank, the outer shell body inner wall horizontal fixation that vacuum tank one side was kept away from to the division board is provided with L shape air pipe, the vertical even fixed a plurality of conical aspiration channels that are provided with in air pipe's side upper end. The utility model discloses a continuous operation of scavenger fan is in order to take out the air in the vacuum tank from the shell body, and the steam that lithium power battery group gived off is by in the leading-in air pipe of aspiration channel and then last air exchange with the vacuum tank in order to guarantee that the inside lithium power battery group operational environment of shell body is stable, excellent in use effect.

Description

Lithium iron phosphate power battery pack for low-speed vehicle

Technical Field

The utility model relates to a lithium power battery pack technical field specifically is a low-speed car lithium iron phosphate power battery pack.

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 conventional lithium power battery pack for the low-speed vehicle is mostly directly assembled without a specific heat dissipation and pressure control mechanism, so that the service life of the battery pack is easily influenced due to unstable voltage or poor heat dissipation performance during use, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low-speed car lithium iron phosphate power battery group to easily influence the life's of group battery problem among the solution prior art because of voltage unstability or heat dispersion are poor.

In order to achieve the above object, the utility model provides a following technical scheme: a lithium iron phosphate power battery pack for a low-speed vehicle comprises a housing and a plurality of lithium power battery packs, wherein an L-shaped mounting groove is vertically formed in one end of the upper portion of the front side surface of the housing, a plurality of power connection seats are transversely and fixedly arranged in the middle of the bottom end of the inner wall of the mounting groove through a through hole, a ventilating fan is fixedly arranged in the middle of the front side surface of the housing on one side of the mounting groove through a circular concave hole, a strip-shaped air inlet grid is transversely and fixedly arranged on the surface of one end of the front side of the housing, which is far away from the ventilating fan, a rectangular assembly hole is transversely formed in one end of the top surface of the housing, an upper sealing cover is movably arranged on the top surface of the housing outside the assembly hole through a hinge, a separation plate is vertically and fixedly arranged at one end of the inner wall of the, the utility model discloses a lithium power battery pack, including vacuum jar, division board, shell body, horizontal fixed L shape air pipe that is provided with of division board, the vertical even fixed a plurality of conical aspiration channels that are provided with in side upper end of air pipe, the vertical activity of lithium power battery pack sets up between two adjacent aspiration channels above air pipe.

Preferably, the left end and the right end of the bottom of the outer shell are respectively and vertically welded with a right-angled triangular bearing block, and the outer shell is made of stainless steel or zinc alloy.

Preferably, the ventilation fan is a drawing-out vacuum fan, and two ends of the vacuum tank are respectively and fixedly connected with an air inlet end of the ventilation fan and an air outlet end of the ventilation pipeline through air conveying pipes.

Preferably, the controller further comprises a voltage transformation device and a voltage regulation device, and two ends of the controller are respectively and electrically connected with the electric connection seat and the lithium power battery pack.

Preferably, the cross section of the upper sealing cover is of a T-shaped structure, and the upper sealing cover is connected with the inner wall of the assembly hole in the top of the outer shell in a clamping manner through a clamping spring.

Preferably, the bottom of the lithium power battery pack on one side of the air suction pipe and the upper surface of the ventilation pipeline are respectively and transversely provided with an insulating buffer cushion, and the pipe openings at the bottom of the air suction pipe are respectively communicated with the ventilation pipeline.

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

1. the surface middle part is equipped with the scavenger fan before the shell body on one side of the mounting groove, the shell body inner wall that vacuum jar one side was kept away from to the division board is equipped with L shape air pipe and evenly is equipped with a plurality of aspiration channels in the side upper end, can independently regulate and control the operation of scavenger fan through the controller according to the demand during use, the scavenger fan operation time lasts the air in the vacuum jar and takes out from the shell body, under the vacuum pressure effect in the vacuum jar, the steam that lithium power battery group gived off is by in the leading-in air pipe of aspiration channel and then last air exchange with the vacuum jar in order to guarantee that the inside lithium power battery group operational environment.

2. The insulating buffer cushions are transversely arranged between the bottom of the lithium power battery pack on one side of the air suction pipe and the upper surface of the ventilation pipeline respectively, so that the condition that the battery pack is deviated due to external shaking to influence the use stability can be effectively relieved, and the air suction pipe is safer and more reliable.

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 cross-sectional view of the present invention;

fig. 3 is a schematic view of the connection structure of the lithium power battery pack and the assembly hole according to the present invention.

In the figure: 1. an outer housing; 2. a lithium-powered battery pack; 3. mounting grooves; 4. an electric connection seat; 5. a ventilator; 6. an air intake grille; 7. assembling holes; 8. an upper sealing cover; 9. a separator plate; 10. a controller; 11. a vacuum tank; 12. a ventilation duct; 13. an air suction pipe; 14. a pressure-bearing block; 15. an insulating buffer pad.

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 the embodiment of the present invention, a lithium iron phosphate power battery pack for low-speed vehicles comprises an outer casing 1 and a plurality of lithium power battery packs 2, wherein an L-shaped mounting groove 3 is vertically formed at one end of the upper portion of the front side surface of the outer casing 1, a plurality of electrical connectors 4 are transversely and fixedly arranged at the middle portion of the bottom end of the inner wall of the mounting groove 3 by forming a through hole, a ventilation fan 5 is fixedly arranged at the middle portion of the front side surface of the outer casing 1 at one side of the mounting groove 3 by forming a circular concave hole, a strip-shaped air inlet grid 6 is transversely and fixedly arranged at the surface of the front side of the outer casing 1 far away from the ventilation fan 5, a rectangular assembly hole 7 is transversely formed at one end of the top surface of the outer casing 1, an upper sealing cover 8 is movably arranged on the top surface of the outer casing 1 outside the assembly, a vacuum tank 11 is transversely and fixedly arranged at the upper end of the inner wall of the outer shell 1 between the controller 10 and the partition plate 9, an L-shaped ventilating duct 12 is transversely and fixedly arranged on the inner wall of the outer shell 1 at one side of the partition plate 9 far away from the vacuum tank 11, a plurality of conical air suction pipes 13 are vertically and uniformly and fixedly arranged at the upper end of the side surface of the ventilating duct 12, and the lithium power battery pack 2 is longitudinally and movably arranged between two adjacent air suction pipes 13 above the ventilating duct 12; the left end and the right end of the bottom of the outer shell 1 are respectively vertically welded with a right-angled triangular bearing block 14, and the outer shell 1 is made of stainless steel or zinc alloy, so that the service performance is ensured; the ventilation fan 5 is a pull-out vacuum fan, and two ends of the vacuum tank 11 are respectively and fixedly connected with an air inlet end of the ventilation fan 5 and an air outlet end of the ventilation pipeline 12 through air conveying pipes, so that the heat dissipation efficiency is improved; the controller 10 further comprises a voltage transformation device and a voltage regulation device, and two ends of the controller 10 are respectively and electrically connected with the power connection seat 4 and the lithium power battery pack 2, so that the battery pack is stable and reliable in use performance; the cross section of the upper sealing cover 8 is of a T-shaped structure, and the upper sealing cover 8 is connected with the inner wall of the assembly hole 7 at the top of the outer shell 1 in a clamping manner through a clamping spring, so that later-stage replacement and overhaul are facilitated; an insulating buffer cushion 15 is transversely arranged between the bottom of the lithium power battery pack 2 on one side of the air suction pipe 13 and the upper surface of the ventilation pipeline 12 respectively, and pipe openings at the bottom of the air suction pipe 13 are communicated with the ventilation pipeline 12 respectively, so that deviation caused by friction and shaking is reduced; can be according to the operation of controller 10 independently regulation and control scavenger fan 5 as required, the scavenger fan 5 operation time lasts the air with in the vacuum tank 11 and takes out from shell body 1, under the vacuum pressure effect in the vacuum tank 11, the steam that lithium power battery group 2 gived off is by the induction of aspiration channel 13 in air pipe 12 and then last air exchange with vacuum tank 11 in order to guarantee that the inside lithium power battery group 2 operational environment of shell body 1 is stable, excellent in use effect.

The utility model discloses a theory of operation and use flow: can independently regulate and control the operation of scavenger fan 5 through controller 10 according to the demand during the use, the scavenger fan 5 operation lasts the air extraction in the vacuum tank 11 and leaves shell body 1, and under the vacuum pressure effect in the vacuum tank 11, the steam that lithium power battery group 2 gived off is continued air exchange in order to guarantee that shell body 1 inside lithium power battery group 2 operational environment is stable in the leading-in air pipe 12 of aspiration channel 13 and then with vacuum tank 11, 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 low-speed car lithium iron phosphate power battery group, includes shell body (1) and a plurality of lithium power battery group (2), its characterized in that: the device is characterized in that an L-shaped mounting groove (3) is vertically formed in one end of the upper portion of the front side surface of the outer shell (1), a plurality of electric connection seats (4) are transversely and fixedly arranged in the middle of the bottom end of the inner wall of the mounting groove (3) by forming through holes, a ventilating fan (5) is fixedly arranged in the middle of the front side surface of the outer shell (1) on one side of the mounting groove (3) by forming circular concave holes, a bar-shaped air inlet grid (6) is transversely and fixedly arranged on the surface of one end, away from the ventilating fan (5), of the front side of the outer shell (1), a rectangular assembling hole (7) is transversely formed in one end of the top surface of the outer shell (1) outside the assembling hole (7), an upper sealing cover (8) is movably arranged on the top surface of the outer shell (1) through a hinge, an isolation plate (9) is vertically and, outer casing (1) inner wall upper end between controller (10) and division board (9) is horizontal fixed and is provided with vacuum tank (11), outer casing (1) inner wall horizontal fixed that vacuum tank (11) one side was kept away from in division board (9) is provided with L shape air pipe (12), the vertical even fixed a plurality of conical aspiration channel (13) that are provided with in side upper end of air pipe (12), lithium power battery group (2) longitudinal movement sets up between two adjacent aspiration channel (13) above air pipe (12).

2. The lithium iron phosphate power battery pack for low-speed vehicles according to claim 1, characterized in that: the vertical welding of both ends has right angle triangle form bearing block (14) respectively about shell body (1) bottom, shell body (1) is stainless steel material or zinc alloy material.

3. The lithium iron phosphate power battery pack for low-speed vehicles according to claim 1, characterized in that: the ventilating fan (5) is a drawing-out type vacuum fan, and two ends of the vacuum tank (11) are respectively and fixedly connected with an air inlet end of the ventilating fan (5) and an air outlet end of the ventilating duct (12) through air conveying pipes.

4. The lithium iron phosphate power battery pack for low-speed vehicles according to claim 1, characterized in that: the controller (10) further comprises a voltage transformation device and a voltage regulation device, and two ends of the controller (10) are respectively electrically connected with the electric connection seat (4) and the lithium power battery pack (2).

5. The lithium iron phosphate power battery pack for low-speed vehicles according to claim 1, characterized in that: the cross section of the upper sealing cover (8) is of a T-shaped structure, and the upper sealing cover (8) is connected with the inner wall of the top assembling hole (7) of the outer shell (1) in a clamping manner through a clamping spring.

6. The lithium iron phosphate power battery pack for low-speed vehicles according to claim 1, characterized in that: insulating buffer pads (15) are transversely equipped with respectively between lithium power battery group (2) bottom of aspiration channel (13) one side and air pipe (12) upper surface, the mouth of pipe of aspiration channel (13) bottom communicates with air pipe (12) respectively.