CN218769882U

CN218769882U - Battery plastic frame and battery with same

Info

Publication number: CN218769882U
Application number: CN202223037400.9U
Authority: CN
Inventors: 邹建伟; 郭建伟
Original assignee: Apower Electronics Co ltd
Current assignee: Apower Electronics Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-03-28
Anticipated expiration: 2032-11-15

Abstract

The utility model relates to a battery packaging technology field discloses a battery plastic frame and have battery of this battery plastic frame. The battery plastic frame comprises a first clamping block and a clamping piece, wherein the first clamping block is fixed on the inner wall of a side plate of the battery plastic frame, and a PCBA protection plate is clamped between the first clamping block and a bottom plate; the clamping piece comprises a baffle and a second clamping block arranged on the baffle, and the height of the second clamping block is the same as that of the first clamping block. The utility model provides a battery plastic frame and have battery of this battery plastic frame, through setting up the first fixture block on the battery plastic frame curb plate to and the fastener and the second fixture block that set up alone fix a position the PCBA protection shield, avoid the PCBA protection shield to take place to rock after the atress; simultaneously, fastener and second fixture block can set up the optional position in the battery plastic frame, do not receive the position restriction of battery plastic frame curb plate, make the location of this PCBA protection shield have more flexibility.

Description

Battery plastic frame and battery with same

Technical Field

The utility model relates to a battery packaging technology field especially relates to a battery plastic frame and have battery of this battery plastic frame.

Background

In the production and manufacturing process of notebook computers, in order to obtain the required working voltage, a plurality of single lithium batteries are often required to be connected in series to form a multi-string battery pack. And the PCBA protection board is used for protecting the charging and discharging of the series lithium batteries so as to ensure that the voltage difference between the single batteries is smaller than a set value when the batteries are fully charged, thereby realizing the uniform charging of the single batteries of the battery pack and ensuring the charging effect.

Among the prior art, the PCBA protection shield is generally placed on the fossil fragments of battery plastic frame, fixes a position it through the encapsulation adhesive tape and the parcel mark structure of battery, leads to the PCBA protection shield to assemble insecure in battery plastic frame, receives the striking or can take place to shift when falling, influences the performance and the security of battery.

SUMMERY OF THE UTILITY MODEL

Based on above, an object of the utility model is to provide a can stabilize the battery plastic frame of location and have the battery of this battery plastic frame to the PCBA protection shield.

To achieve the purpose, the utility model adopts the following technical proposal:

battery plastic frame for assembly electric core and PCBA protection shield, battery plastic frame is the elastic component, by the bottom plate and enclose the curb plate constitution slot-like structure of locating bottom plate circumference, electric core with the PCBA protection shield is located in the battery plastic frame, battery plastic frame still includes:

the first fixture block is arranged on the inner wall of the side plate of the battery plastic frame, and the PCBA protection plate is clamped between the first fixture block and the bottom plate;

the clamping piece comprises a baffle and a second clamping block arranged on the baffle, and the height of the second clamping block is the same as that of the first clamping block.

As an alternative of the battery plastic frame, a limiting block is arranged on the inner wall of a side plate of the battery plastic frame, a limiting groove corresponding to the limiting block in position is formed in the PCBA protective plate, and the limiting block can be inserted into the limiting groove.

As an alternative of the battery plastic frame, a first opening is formed in the edge of the bottom plate, and the first opening is opposite to the first clamping block in position;

and a second open hole is formed in the bottom plate adjacent to the baffle.

As an alternative of the battery plastic frame, the top of the first fixture block is an inclined plane; the top of the second fixture block is an inclined plane.

As an alternative of the battery plastic frame, an installation position is arranged in the battery plastic frame and is formed by surrounding the side plates and the barrier strips arranged on the bottom plate; the top that the blend stop is close to PCBA protection shield one side is equipped with first radius angle.

As an alternative of the battery plastic frame, an installation position is arranged in the battery plastic frame, the installation position is an accommodating groove, and the accommodating groove is formed by enclosing the side plate and a step-shaped step arranged on the bottom plate; and a second fillet is arranged at the edge of the top of the step.

The battery comprises the battery plastic frame, and a battery core and a PCBA protection plate which are arranged in the battery plastic frame.

As an alternative of the battery, the battery further comprises foam, and the foam is laid on the PCBA protection board.

As an alternative of the battery, the battery further comprises gummed paper, and the gummed paper is laid on the foam.

As an alternative of the battery, the battery plastic frame, the battery core and the PCBA protection plate are wrapped and packaged by label paper.

The utility model has the advantages that:

1. the utility model provides a battery plastic frame and have battery of this battery plastic frame through setting up the first fixture block on battery plastic frame curb plate to and the fastener and the second fixture block that set up alone fix a position the PCBA protection shield, guarantee the stability of PCBA protection shield location, avoid the PCBA protection shield to take place to rock after the atress, influence the life of battery.

2. The utility model provides a battery plastic frame and have battery of this battery plastic frame, fastener and second fixture block can set up the optional position in battery plastic frame, do not receive the position restriction of battery plastic frame curb plate, make the location of this PCBA protection shield have greater flexibility, make this battery plastic frame can be applicable to irregularly shaped's PCBA protection shield location to and the PCBA protection shield location of the many strings of batteries of multiple arrangement.

Drawings

Fig. 1 is an exploded view of a battery provided by the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic view of the overall structure of the battery plastic frame provided by the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is an enlarged view of portion B of FIG. 3;

fig. 6 is a schematic view of the overall structure of the battery provided by the present invention.

In the figure:

10-a battery plastic frame; 11-barrier strip; 111-first rounded corner; 12-accommodating grooves; 121-second fillet; 13-a first latch; 14-a mounting plate; 15-a wire inserting groove; 16-a first opening; 17-a limiting block; 18-a clip; 181-baffle plate; 182-a second fixture block; 183-second opening;

20-electric core;

30-a PCBA protective plate; 31-a limiting groove;

40-foam cotton;

50-gummed paper; 51-PVC sheets; 52-red vulcanized paper;

60-terminal lines;

70-label paper.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

This embodiment provides a battery plastic frame and has battery of this kind of battery plastic frame for assembly electricity core and PCBA protection shield, this battery plastic frame is through setting up the first fixture block on battery plastic frame side board, and can set up in fastener and the second fixture block of battery plastic frame bottom plate optional position and fix a position the PCBA protection shield, it is insecure to the PCBA protection shield location to solve current battery plastic frame, easily take place to rock after the atress, influence battery security performance and life's problem.

Referring to fig. 1 to 6, a battery plastic frame 10 provided in this embodiment is an elastic member, and can be made by injection molding after mixing ABS and PC, the battery plastic frame 10 is a groove-shaped structure composed of a bottom plate and side plates surrounding the bottom plate, an assembly plate 14 is disposed on an outer wall of the side plate of the battery plastic frame 10, an electric core 20 and a PCBA protection plate 30 are located in the battery plastic frame 10, the battery plastic frame 10 further includes a first fixture block 13 and a fastener 18, wherein the first fixture block 13 is fixed on an inner wall of the side plate of the battery plastic frame 10; the clamping piece 18 comprises a baffle 181 and a second clamping block 182 arranged on the baffle 181, the height of the second clamping block 182 is the same as that of the first clamping block 13, and during assembly, the PCBA protection plate 30 is pressed downwards from the top opening of the battery plastic frame 10 to be clamped between the first clamping block 13 and the bottom plate and between the second clamping block 182 and the bottom plate.

According to the battery plastic frame 10 provided by the embodiment, the PCBA protection plate 30 is positioned through the first clamping block 13 arranged on the side plate of the battery plastic frame 10, the clamping block 18 and the second clamping block 182 which are independently arranged, so that the positioning stability of the PCBA protection plate 30 is ensured, and the PCBA protection plate 30 is prevented from shaking after being stressed to influence the service life of a battery; meanwhile, the clamping piece 18 and the second clamping block 182 can be arranged at any position in the battery plastic frame 10 and are not limited by the position of a side plate of the battery plastic frame 10, so that the PCBA protection plate 30 can be positioned more flexibly, the battery plastic frame 10 can be suitable for positioning the PCBA protection plate 30 in an irregular shape and positioning the PCBA protection plates 30 of a plurality of strings of batteries in various arrangement modes, and the battery plastic frame comprises an L-shaped battery structure which is provided with two battery cores 20 arranged at a right angle.

Specifically, in order to further limit the horizontal position of the PCBA protection plate 30, in this embodiment, a limiting block 17 is disposed on the inner wall of the side plate of the battery plastic frame 10, a limiting groove 31 corresponding to the limiting block 17 is disposed on the PCBA protection plate 30, and the limiting block 17 can be inserted into the limiting groove 31. The number of the stopper grooves 31 can be set as required. Preferably, the two opposite side plates of the battery plastic frame 10 are provided with limit blocks 17.

In order to increase the deformation of the side plates at the positions of the first latch 13 and the second latch 182 to reduce the assembly difficulty of the PCBA protection plate 30, in this embodiment, the edge of the bottom plate is provided with a first opening 16, the first opening 16 is opposite to the position of the first latch 13, and meanwhile, the bottom plate adjacent to the baffle 181 is provided with a second opening 183. The first opening 16 and the second opening 183 can facilitate the plastic mold to be ejected. In order to further reduce the difficulty in assembling the PCBA protection plate 30, in this embodiment, the tops of the first latch 13 and the second latch 182 are both inclined surfaces.

In order to facilitate assembling the battery cell 20, the present embodiment provides two mounting locations, which are disposed in the battery plastic frame 10:

firstly, the installation position is formed by enclosing a side plate and a barrier strip 11 arranged on a bottom plate, and during assembly, the battery cell 20 is limited in a rectangular space enclosed by the side plate and the barrier strip 11. Preferably, to avoid interfering with the assembly of the PCBA protection plate 30, the top of the stop strip 11 near the side of the PCBA protection plate 30 is provided with a first rounded corner 111.

Secondly, the installation position is holding tank 12, and this holding tank 12 is enclosed by curb plate and the echelonment step that sets up on the bottom plate and establishes and form, and during the assembly, electric core 20 is spacing in the rectangle space that curb plate and blend stop 11 enclose. Further, in order to prevent the sharp corner at the edge of the step from damaging the battery cell 20, a second rounded corner 121 may be disposed at the top edge of the step.

When the battery plastic frame 10 is prepared, one or two installation position structures can be arranged in the battery plastic frame 10 according to requirements. Of course, in other embodiments, other types of structures that can be used for mounting and positioning the battery cell 20 may also be provided as needed.

The embodiment also provides a battery, which comprises the battery plastic frame 10, the battery core 20 and the PCBA protection plate 30 arranged in the battery plastic frame 10, and a terminal wire 60 electrically connected with the PCBA protection plate 30. The terminal wire 60 extends into the battery plastic frame 10 from the insertion slot 15 opened on the side plate of the battery plastic frame 10, and is connected with the PCBA protection plate 30. In this embodiment, specific structures and connection manners of the battery cell 20, the PCBA protection plate 30 and the terminal wire 60 are the prior art, and are not described herein again.

Further, for filling the gap, the battery provided by the embodiment further comprises foam 40 and gummed paper 50, wherein the foam 40 is laid on the PCBA protection plate 30, so that the foam is flush with the battery cell 20, and then the gummed paper 50 such as a PVC sheet 51 or red vulcanized paper 52 is laid on the foam 40 as required, so that the foam is flush with the top of the battery plastic frame 10, so as to ensure the stability of the battery cell 20 and the PCBA protection plate 30 and ensure the smoothness of the appearance of the battery. Finally, the battery plastic frame 10, the battery core 20 and the PCBA protection plate 30 are wrapped and encapsulated by the label paper 70.

Note: the fixing means not explicitly described herein may be a conventional fixing means such as a screw connection, a welding or an adhesive connection, as required.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. Battery plastic frame for assembly electric core (20) and PCBA protection shield (30), battery plastic frame (10) are the elastic component, by the bottom plate and enclose the curb plate constitution slot-like structure of locating bottom plate circumference, electric core (20) with PCBA protection shield (30) are located in battery plastic frame (10), its characterized in that, battery plastic frame (10) still include:

the first fixture block (13) is arranged on the inner wall of a side plate of the battery plastic frame (10), and the PCBA protection plate (30) is clamped between the first fixture block (13) and the bottom plate;

the clamping piece (18) comprises a baffle (181) and a second clamping block (182) arranged on the baffle (181), and the height of the second clamping block (182) is the same as that of the first clamping block (13).

2. The battery plastic frame according to claim 1, wherein a limiting block (17) is arranged on the inner wall of the side plate of the battery plastic frame (10), a limiting groove (31) corresponding to the limiting block (17) is formed in the PCBA protective plate (30), and the limiting block (17) can be inserted into the limiting groove (31).

3. The battery plastic frame according to claim 1, wherein a first opening (16) is formed in an edge of the bottom plate, and the first opening (16) is opposite to the first clamping block (13);

and a second open hole (183) is formed in the bottom plate adjacent to the baffle plate (181).

4. The battery plastic frame according to claim 1, wherein the top of the first fixture block (13) is an inclined plane; the top of the second fixture block (182) is an inclined surface.

5. The battery plastic frame according to claim 1, wherein a mounting position is arranged in the battery plastic frame (10), and the mounting position is defined by the side plates and barrier strips (11) arranged on the bottom plate; the top of the barrier strip (11) near one side of the PCBA protection plate (30) is provided with a first rounded corner (111).

6. The battery plastic frame according to claim 1, wherein a mounting position is arranged in the battery plastic frame (10), the mounting position is a receiving groove (12), and the receiving groove (12) is defined by the side plate and a step-shaped step arranged on the bottom plate; and a second fillet (121) is arranged at the edge of the top of the step.

7. Battery, characterized in that it comprises a battery plastic frame (10) according to any of claims 1-6, and a cell (20) and a PCBA protection plate (30) arranged within the battery plastic frame (10).

8. The cell of claim 7, further comprising foam (40), the foam (40) being laid over the PCBA protective sheet (30).

9. The battery according to claim 8, further comprising a gummed paper (50), wherein the gummed paper (50) is laid on the foam (40).

10. The battery of claim 8, wherein the battery plastic frame (10), the battery core (20) and the PCBA protective plate (30) are wrapped and encapsulated by label paper (70).