CN223347955U - Conductive component of lithium iron phosphate battery - Google Patents

Abstract

The utility model relates to the technical field of lithium iron phosphate batteries, in particular to a lithium iron phosphate battery conductive assembly which comprises a plurality of battery bodies and conductive assemblies which are arranged side by side, wherein the top of each battery body is provided with a positive electrode and a negative electrode, the positive electrodes and the negative electrodes of two adjacent battery bodies are electrically connected through the conductive assemblies, each conductive assembly comprises a conductive sheet, the upper ends of the conductive sheets are fixedly provided with positioning plates, rectangular holes are formed in the positions of the positioning plates, which are positioned on the two sides of the positive electrodes and the negative electrodes, a fixing plate is arranged in the rectangular holes in a sliding mode, the lower ends of the fixing plates are fixedly connected with the battery bodies, a cavity is formed in the positioning plates, a locking mechanism is arranged in the cavity, the locking mechanism comprises a locking block, a chute is formed in the wall of one side, close to the cavity, of the rectangular hole is provided with a through hole between the chute and the cavity. The utility model is convenient for quick assembly and disassembly of the conductive component, improves the installation efficiency of the conductive component, and is convenient for replacing the damaged conductive component.

Description

Conductive component of lithium iron phosphate battery

Technical Field

The utility model relates to the technical field of lithium iron phosphate batteries, in particular to a conductive component of a lithium iron phosphate battery.

Background

The lithium iron phosphate battery is a lithium ion battery which uses lithium iron phosphate (LiFePO 4) as a positive electrode material and carbon as a negative electrode material, wherein the rated voltage of a single battery is 3.2V, and the charging cut-off voltage is 3.6V-3.65V. In the charging process, part of lithium ions in the lithium iron phosphate are separated, transferred to the negative electrode through electrolyte and are embedded into a carbon material of the negative electrode, and meanwhile electrons are released from the positive electrode and reach the negative electrode 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 and reach the positive electrode through the electrolyte, meanwhile, electrons are released from the negative electrode, and reach the positive electrode from an external circuit to provide energy for the outside.

In the prior art, a lithium iron phosphate battery pack generally comprises a plurality of single batteries, two adjacent single batteries are required to be welded on electrodes of the batteries through conductive assemblies, the welding time is long, the assembly efficiency of the battery pack is low, and the damaged conductive assemblies are inconvenient to replace, so that the lithium iron phosphate battery conductive assemblies are provided.

Disclosure of utility model

The utility model aims to provide a conductive component of a lithium iron phosphate battery, which is convenient for quick assembly and disassembly of the conductive component, improves the installation efficiency of the conductive component, and is convenient for replacing the damaged conductive component so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a lithium iron phosphate battery conductive assembly, includes a plurality of battery body and conductive assembly of placing side by side, battery body top all is equipped with positive electrode and negative electrode, adjacent two through conductive assembly electric connection between the positive electrode of battery body and the negative electrode, conductive assembly includes the conducting strip, the fixed locating plate that is equipped with in conducting strip upper end, the locating plate is located positive electrode and negative electrode both sides department all is equipped with the rectangular hole, the downthehole fixed plate that slides is equipped with of rectangular, fixed plate lower extreme and battery body fixed connection, be equipped with the cavity in the locating plate, be equipped with locking mechanical system in the cavity.

Further, locking mechanical system includes the locking piece, the spout has been seted up to one side pore wall that the rectangular hole is close to the cavity, be equipped with the through-hole between spout and the cavity, the locking piece slides and sets up in the spout, locking piece one end extends to outside the spout, the fixed plate lateral wall is equipped with the locking groove that matches with the locking piece, cavity top center department is equipped with the shaft hole, the rotation is equipped with the pivot in the shaft hole, pivot one end extends to in the cavity and fixedly is equipped with the winding roller, the winding roller both sides are fixed and are equipped with the stay cord, stay cord one end pass the through-hole and with locking piece fixed connection, fixed being equipped with the spring between locking piece and the through-hole.

Further, a rotating wheel is fixedly arranged at the upper end of the rotating shaft.

Further, the circumference wall of the rotating wheel is provided with an anti-skid sleeve.

Further, an inclined plane is arranged on the upper side of one end of the locking block, which is positioned outside the sliding groove.

Further, the angle of the inclined surface is set to 45 °.

Further, the spring is always in a compressed state.

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

This lithium iron phosphate battery conductive component, through the negative electrode that is equipped with, the runner, the locating plate, the fixed plate, the battery body, the positive electrode, the conducting strip, the winding roller, the pivot, the stay cord, spring and locking piece, insert the rectangular hole of locating plate tip with the fixed plate in, the fixed plate upper end is inwards promoted the locking piece through the inclined plane, locking piece extrusion spring, when locking piece corresponds with the locking inslot position, the spring promotes the locking piece card and goes into in the locking inslot, after the locking piece card goes into the locking inslot, the locating plate takes the conducting strip lower extreme and offsets with the electrode, when the conducting strip needs to be dismantled, rotate the runner, the runner drives the winding roller through the pivot and rotates, two stay cords twine on the winding roller and stimulate two locking pieces, after the locking piece removes to the spout in, can upwards mention the runner, the locating plate breaks away from with two fixed plates, be convenient for to conductive component's installation effectiveness, and be convenient for change conductive component damaged.

Drawings

Fig. 1 is a schematic structural diagram of a conductive assembly of a lithium iron phosphate battery.

Fig. 2 is a schematic side view of a conductive assembly of a lithium iron phosphate battery.

Fig. 3 is an enlarged schematic view of a portion a of fig. 2.

In the figure, 1, a negative electrode, 2, a rotating wheel, 3, a locating plate, 4, a fixing plate, 5, a battery body, 6, a positive electrode, 7, a conducting plate, 8, a winding roller, 9, a rotating shaft, 10, a pull rope, 11, a spring, 12 and a locking block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the present utility model provides a technical solution:

The utility model provides a lithium iron phosphate battery conductive assembly, including a plurality of battery body 5 and conductive assembly of placing side by side, battery body 5 top all is equipped with positive electrode 6 and negative electrode 1, through conductive assembly electric connection between the positive electrode 6 and the negative electrode 1 of two adjacent battery body 5, conductive assembly includes conducting strip 7, the fixed locating plate 3 that is equipped with in conducting strip 7 upper end, locating plate 3 is located positive electrode 6 and the both sides department of negative electrode 1 all is equipped with the rectangular hole, the slip is equipped with fixed plate 4 in the rectangular hole, fixed plate 4 lower extreme and battery body 5 fixed connection, be equipped with the cavity in the locating plate 3, be equipped with locking mechanical system in the cavity.

The locking mechanism comprises a locking block 12, a chute is formed in the wall of one side of the rectangular hole, which is close to the cavity, a through hole is formed between the chute and the cavity, the locking block 12 is slidably arranged in the chute, one end of the locking block 12 extends out of the chute, a locking groove matched with the locking block 12 is formed in the side wall of the fixed plate 4, a shaft hole is formed in the center of the top of the cavity, a rotating shaft 9 is rotatably arranged in the shaft hole, one end of the rotating shaft 9 extends into the cavity and is fixedly provided with a winding roller 8, pull ropes 10 are fixedly arranged on two sides of the winding roller 8, one end of each pull rope 10 penetrates through the through hole and is fixedly connected with the corresponding locking block 12, the pull ropes 10 are always in a tightening state, springs 11 are fixedly arranged between the locking block 12 and the through hole, and the springs 11 are always in a compression state.

The runner 2 is fixedly arranged at the upper end of the rotating shaft 9, the anti-slip sleeve is arranged on the circumferential wall of the runner 2, the friction force of the side wall of the runner 2 is improved by the anti-slip sleeve, the rotating shaft 9 is more labor-saving by workers, and the insulating property is improved.

The upper side of one end of the locking block 12 outside the chute is provided with an inclined plane, the angle of the inclined plane is set to be 45 degrees, and the rectangular hole can be conveniently pushed into the chute through the inclined plane and squeeze the spring 11.

When the fixing plate 4 is inserted into the rectangular hole at the end part of the locating plate 3, the upper end of the fixing plate 4 pushes the locking block 12 inwards through the inclined plane, the locking block 12 extrudes the spring 11, when the locking block 12 corresponds to the locking groove, the spring 11 pushes the locking block 12 to be clamped into the locking groove, after the locking block 12 is clamped into the locking groove, the lower end of the locating plate 3 with the conducting strip 7 is abutted to the electrode, when the conducting strip 7 needs to be detached, the rotating wheel 2 rotates, the rotating wheel 2 drives the winding roller 8 to rotate through the rotating shaft 9, the two pull ropes 10 are wound on the winding roller 8 and pull the two locking blocks 12, after the locking block 12 moves into the sliding groove, the rotating wheel 2 can be lifted upwards, the rotating wheel 2 drives the locating plate 3 to be separated from the two fixing plates 4, the conductive assembly is convenient to quickly detach, the installation efficiency of the conductive assembly is improved, and the damaged conductive assembly is convenient to replace.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (7)

1. A lithium iron phosphate battery conductive assembly, comprising a plurality of battery bodies (5) and conductive assemblies placed side by side, characterized in that: a positive electrode (6) and a negative electrode (1) are provided on the top of each battery body (5), the positive electrode (6) and the negative electrode (1) of two adjacent battery bodies (5) are electrically connected via the conductive assembly, the conductive assembly comprising a conductive sheet (7), a positioning plate (3) is fixedly provided on the upper end of the conductive sheet (7), a rectangular hole is provided on both sides of the positioning plate (3) and the negative electrode (1), a fixing plate (4) is slidably provided in the rectangular hole, the lower end of the fixing plate (4) is fixedly connected to the battery body (5), a cavity is provided in the positioning plate (3), and a locking mechanism is provided in the cavity. 2. A lithium iron phosphate battery conductive component according to claim 1, characterized in that: the locking mechanism includes a locking block (12), a sliding groove is opened on the hole wall of the rectangular hole close to the cavity, a through hole is provided between the sliding groove and the cavity, the locking block (12) is slidably set in the sliding groove, one end of the locking block (12) extends outside the sliding groove, the side wall of the fixed plate (4) is provided with a locking groove that matches the locking block (12), an axial hole is provided at the center of the top of the cavity, a rotating shaft (9) is rotatably provided in the axial hole, one end of the rotating shaft (9) extends into the cavity and is fixed with a winding roller (8), a pull rope (10) is fixed on both sides of the winding roller (8), one end of the pull rope (10) passes through the through hole and is fixedly connected to the locking block (12), and a spring (11) is fixed between the locking block (12) and the through hole. 3. A lithium iron phosphate battery conductive component according to claim 2, characterized in that a rotating wheel (2) is fixedly provided on the upper end of the rotating shaft (9). 4. A lithium iron phosphate battery conductive assembly according to claim 3, characterized in that the circumferential wall of the rotating wheel (2) is provided with an anti-slip sleeve. 5. A lithium iron phosphate battery conductive assembly according to claim 2, characterized in that: an upper side of one end of the locking block (12) located outside the slide groove is provided with an inclined surface. 6 . The lithium iron phosphate battery conductive component according to claim 5 , wherein the angle of the inclined surface is set to 45°. 7. A lithium iron phosphate battery conductive component according to claim 2, characterized in that: the spring (11) is always in a compressed state.