CN216213896U - Vehicle-mounted lithium iron phosphate battery pack - Google Patents

Abstract

The utility model belongs to the technical field of lithium iron phosphate batteries, and discloses a vehicle-mounted lithium iron phosphate battery pack which comprises a box body, wherein a placing cavity is formed in the box body, two sliding grooves are symmetrically formed in the bottom end of the placing cavity, two fixing plates are connected between the two sliding grooves in a sliding manner, screw rods are connected between the box body and the two fixing plates in a screwing manner, and a lithium iron phosphate battery is mounted on one side, close to the space between the two fixing plates, in the placing cavity. According to the utility model, the two fixing plates slide in the sliding grooves by rotating the screw rod and matching the two sliding grooves, and the lithium iron phosphate battery is supported by the two fixing plates, so that the lithium iron phosphate battery is fixed in the placing cavity, a user does not need to fix the lithium iron phosphate battery in a welding manner, when an maintainer needs to split the lithium iron phosphate battery in the later period, a large amount of time does not need to be wasted, the overhauling difficulty of the lithium iron phosphate battery is greatly reduced, and the overhauling efficiency of the lithium iron phosphate battery is improved.

Description

Vehicle-mounted lithium iron phosphate battery pack

Technical Field

The utility model belongs to the technical field of lithium iron phosphate batteries, and particularly relates to a vehicle-mounted lithium iron phosphate battery pack.

Background

The lithium iron phosphate battery is a lithium ion battery which uses lithium iron phosphate as a positive electrode material and carbon as a negative electrode material, the rated voltage of a monomer is 3.2V, the charge cut-off voltage is 3.6V-3.65V, part of lithium ions in the lithium iron phosphate are separated in the charging process, transferred to a negative electrode through electrolyte and embedded into a negative electrode carbon material; meanwhile, electrons are released from the anode and reach the cathode from an external circuit, so that the balance of chemical reaction is maintained. In the discharging process, lithium ions are separated from the negative electrode, reach the positive electrode through the electrolyte, simultaneously, the negative electrode releases electrons, and reach the positive electrode from an external circuit to provide energy for the outside.

The fixed lithium iron phosphate battery of current lithium iron phosphate battery package need be through the welding mode, when maintainer later stage needs the split lithium iron phosphate battery, need extravagant a large amount of time, greatly increased the maintenance degree of difficulty of lithium iron phosphate battery, reduced lithium iron phosphate battery's maintenance efficiency to lithium iron phosphate battery package radiating efficiency is lower, and lithium iron phosphate battery contains easy accumulated heat, has shortened the life of lithium iron phosphate battery package greatly.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vehicle-mounted lithium iron phosphate battery pack to solve the problem that the prior art needs to waste a large amount of time to split the lithium iron phosphate battery and the lithium iron phosphate battery pack is easy to accumulate heat.

In order to achieve the purpose, the utility model provides the following technical scheme: on-vehicle lithium iron phosphate battery package, the power distribution box comprises a box body, the inside of box has been seted up and has been placed the chamber, place intracavity portion bottom symmetry and seted up two spouts, two sliding connection has two fixed plates between the spout, all close soon between box and two fixed plates and be connected with the screw rod, place intracavity portion and be close to one side between two fixed plates and install the lithium iron phosphate battery.

Preferably, four limiting rods are installed at the top of the box body, a heat conduction cover is installed between the four limiting rods, and a spiral ring is connected to the upper portions, close to the heat conduction cover, of the four limiting rods in a screwing mode.

Preferably, the screw rods extend to one end outside the box body and are provided with rotating heads, and annular grooves are formed in the circumferential surfaces of the rotating heads.

Preferably, the inside symmetry sliding connection of heat conduction lid has two heat-conducting plates, two all install radiator fan on the heat-conducting plate, heat conduction head is installed to heat conduction lid bottom.

Preferably, pull grooves are formed in the two heat conduction plates on the opposite sides.

Preferably, rubber pads are arranged on the opposite sides of the two fixing plates.

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

(1) according to the utility model, the two fixing plates slide in the sliding grooves by rotating the screw rod and matching the two sliding grooves, and the lithium iron phosphate battery is supported by the two fixing plates, so that the lithium iron phosphate battery is fixed in the placing cavity, a user does not need to fix the lithium iron phosphate battery in a welding manner, when an maintainer needs to split the lithium iron phosphate battery in the later period, a large amount of time does not need to be wasted, the overhauling difficulty of the lithium iron phosphate battery is greatly reduced, and the overhauling efficiency of the lithium iron phosphate battery is improved.

(2) According to the utility model, the two heat conduction plates are pulled to slide in the heat conduction cover, so that the heat conduction plates and the heat dissipation fan move to the outside of the heat conduction cover, and the heat dissipation fan works to guide heat to be dissipated into the air, thereby greatly improving the heat dissipation efficiency of the device, ensuring that the device is not easy to accumulate heat, and greatly prolonging the service life of the device.

Drawings

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

FIG. 2 is an internal structural view of the present invention;

FIG. 3 is a top view of the present invention with the heat conducting cover removed;

FIG. 4 is a top view of the lithium iron phosphate battery of FIG. 3, disassembled;

FIG. 5 is a top view of the heat conductive cover of the present invention;

FIG. 6 is a top view of FIG. 5 after pulling on the thermally conductive plate;

FIG. 7 is an enlarged view of portion A of FIG. 3;

in the figure: 1. a spiro ring; 2. a heat conducting cover; 3. a heat conducting plate; 4. a box body; 5. a limiting rod; 6. turning the head; 7. a placement chamber; 8. a heat conducting head; 9. a lithium iron phosphate battery; 10. a rubber pad; 11. a fixing plate; 12. a chute; 13. a screw; 14. groove drawing; 15. a heat dissipation fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides the following technical solutions: on-vehicle lithium iron phosphate package, the power distribution box comprises a box body 4, the inside of box 4 has been seted up and has been placed chamber 7, place the inside bottom symmetry in chamber 7 and seted up two spouts 12, sliding connection has two fixed plates 11 between two spouts 12, it is connected with screw rod 13 all to close soon between box 4 and two fixed plates 11, it installs lithium iron phosphate battery 9 to place the inside one side that is close to between two fixed plates 11 in chamber 7, place lithium iron phosphate battery 9 between placing two inside fixed plates 11 in chamber 7, rotate screw rod 13, through spout 12 cooperation, make two fixed plates 11 remove in spout 12, support lithium iron phosphate battery 9 through two fixed plates 11, make lithium iron phosphate battery 9 be fixed in and place the inside of chamber 7.

Further, four gag levers 5 are installed at 4 tops of box, install heat conduction lid 2 between four gag levers 5, and four gag levers 5 are close to the top of heat conduction lid 2 and all close to and are connected with spiro 1 soon, insert heat conduction lid 2 to between four gag levers 5, close spiro 1 with gag lever post 5 soon and be connected, make heat conduction lid 2 be fixed in 4 tops of box, shelter from box 4 through heat conduction lid 2 to protect lithium iron phosphate battery 9.

Furthermore, the screw 13 extends to the outside one end of box 4 and all installs turn round 6, has seted up the ring channel on the periphery of turn round 6, lets screw 13 be convenient for rotate through ring channel and turn round 6.

Further, the inside symmetrical sliding connection of heat conduction lid 2 has two heat-conducting plates 3, all install radiator fan 15 on two heat-conducting plates 3, heat conduction head 8 is installed to heat conduction lid 2 bottom, pulling heat-conducting plate 3, make heat-conducting plate 3 remove in heat conduction lid 2, heat-conducting plate 3 removes to heat conduction lid 2 outside after, radiator fan 15 work, through heat conduction head 8, heat conduction lid 2 and heat-conducting plate 3 are to the heat guide of lithium iron phosphate 9 during operation, work through radiator fan 15, thereby improve heat conduction head 8, the radiating efficiency of heat conduction lid 2 and heat-conducting plate 3.

Furthermore, pull grooves 14 are formed in the opposite sides of the two heat conduction plates 3, and the heat conduction plates 3 are convenient to pull through the pull grooves 14.

Furthermore, rubber pads 10 are installed on the opposite sides of the two fixing plates 11, and the fixing plates 11 are more tightly pressed against the lithium iron phosphate battery 9 through the rubber pads 10.

The working principle and the using process of the utility model are as follows: when the utility model is used, the lithium iron phosphate battery 9 is placed between the two fixing plates 11 in the placing cavity 7, the screw 13 is rotated by the rotary head 6, and the two fixing plates 11 move in the sliding chute 12 through the matching of the sliding chute 12, the lithium iron phosphate battery 9 is fixed in the placing cavity 7 by the fixing plate 11 abutting against the lithium iron phosphate battery 9, after the lithium iron phosphate battery 9 is fixed, the heat conducting cover 2 is placed among the four limiting rods 5, the spiral ring 1 is rotated to lead the spiral ring 1 to be screwed and connected with the limiting rods 5, the heat conducting cover 2 is fixed above the box body 4, the heat-conducting plate 3 is pulled by the pull groove 14, so that the heat-conducting plate 3 and the heat-radiating fan 15 move to the outside of the heat-conducting cover 2, the heat of the working process of the lithium iron phosphate battery 9 is guided through the heat conducting head 8, the heat conducting cover 2 and the heat conducting plate 3, and the work is carried out through the heat radiating fan 15, so that the heat radiating efficiency of the device is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. On-vehicle lithium iron phosphate battery pack, its characterized in that: including box (4), the inside of box (4) has been seted up and has been placed chamber (7), place the inside bottom symmetry in chamber (7) and seted up two spout (12), two sliding connection has two fixed plate (11) between spout (12), it is connected with screw rod (13) all to close soon between box (4) and two fixed plate (11), place chamber (7) inside one side that is close to between two fixed plate (11) and install lithium iron phosphate battery (9).

2. The on-vehicle lithium iron phosphate battery pack according to claim 1, wherein: four gag lever posts (5) are installed at box (4) top, four install heat conduction lid (2) between gag lever post (5), four gag lever post (5) are close to the top of heat conduction lid (2) and all close to and are connected with spiral ring (1) soon.

3. The on-vehicle lithium iron phosphate battery pack according to claim 2, wherein: the screw rod (13) extend to the outside one end of box (4) and all install and turn round (6), the ring channel has been seted up on the periphery of turning round (6).

4. The on-vehicle lithium iron phosphate battery pack of claim 3, wherein: the heat conduction cover is characterized in that two heat conduction plates (3) are symmetrically and slidably connected inside the heat conduction cover (2), two heat dissipation fans (15) are installed on the heat conduction plates (3), and heat conduction heads (8) are installed at the bottom of the heat conduction cover (2).

5. The on-vehicle lithium iron phosphate battery pack of claim 4, wherein: pull grooves (14) are formed in the two heat conducting plates (3) at the opposite sides.

6. The on-vehicle lithium iron phosphate battery pack of claim 5, wherein: two rubber pads (10) are installed on the opposite sides of the fixing plates (11).

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