CN212380490U

CN212380490U - Dual-purpose lithium battery pack

Info

Publication number: CN212380490U
Application number: CN202020825917.6U
Authority: CN
Inventors: 阮胜德; 吴纪君
Original assignee: Anhui Ultra Stable Power Energy Saving Technology Co ltd
Current assignee: Anhui Ultra Stable Power Energy Saving Technology Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-01-19
Anticipated expiration: 2030-05-18

Abstract

The utility model relates to a dual-purpose lithium battery pack, include the battery case and arrange the inside chip combination of battery case in, the battery case includes lid, box body and base, the box body is both ends open-ended cavity tubular structure, 20 detachably of lid install in the upper end opening part of box body reserves a first charge-discharge mouth on this lid, base detachably install in the lower extreme opening part of box body, reserve a second charge-discharge mouth on the base, first charge-discharge mouth is used for installing article word socket for article word installing port, the second charge-discharge mouth is used for the installation to trade the electric connector. The utility model discloses a battery case of same kind of structure can satisfy the demand of charging of multiple difference, has reduced the manufacturing cost of battery case, has enlarged the utility model discloses an application range.

Description

Dual-purpose lithium battery pack

Technical Field

The utility model relates to a lithium cell, concretely relates to dual-purpose lithium battery pack.

Background

In recent years, the new energy source, lithium batteries, has been listed as a strategic emerging industry by the nation. The lithium battery industry in China is rapidly developed, and the environment-friendly electric vehicle is produced accordingly. The traditional lead-acid battery has poor maintainability, difficult operation, and the internal condition of the battery can not be detected, and has large volume and heavy weight, and is eliminated gradually compared with the short cycle life of a lithium ion battery.

At present, the lithium battery pack adopts a charging and discharging port which is placed at the top or the bottom of the battery box, and the battery boxes with two different structures need to be produced in order to be suitable for charging and discharging in two different modes, so that the production cost of the battery box is high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a dual-purpose lithium battery pack, battery case among this lithium battery pack can be applicable to the charge-discharge demand of multiple different modes, and application scope is wide, low in production cost.

The utility model discloses a solve the technical scheme that its technical problem adopted and be:

the utility model provides a dual-purpose lithium battery pack, includes the battery case and arranges the inside chip combination of battery case in, the battery case includes lid, box body and base, the box body is both ends open-ended cavity tubular structure, lid detachably install in the upper end opening part of box body reserves a first charge-discharge mouth on this lid, base detachably install in the lower extreme opening part of box body, reserve a second charge-discharge mouth on the base.

Preferably, the first charging and discharging port is a pin-shaped mounting port for mounting a pin-shaped socket, the second charging and discharging port is for mounting a power switching connector, and the pin-shaped socket and the power switching connector are electrically connected to the chip assembly.

Preferably, the first charging and discharging port is provided with a quick-release piece, and the periphery of the quick-release piece is connected to the box cover through a cutting line part.

Preferably, the second charging and discharging port is a through hole, the through hole is sealed by a sealing plate, and the sealing plate is detachably connected to the base.

Preferably, the chip combination includes electric core group, electric core support, electric core connecting plate and circuit board, electric core group is formed by a plurality of electric chip combinations, electric core support is used for fixing electric core group, electric core connecting plate is fixed in one side of electric core group and connects the utmost point ear of electric core group, the circuit board is fixed in electric core group's upper end and this circuit board and electric core connecting plate electric connection.

Preferably, be equipped with the electric quantity display screen on the lid, this electric quantity display screen and chip combination electric connection, the lid is fixed and is equipped with the handle.

Preferably, a plurality of ribs are arranged on the inner sides of two opposite side surfaces of the box body, and first clamping grooves matched with the ribs are arranged on the outer sides of the two opposite side surfaces of the chip combination.

Preferably, the periphery of the box cover extends downwards to form a circle of first combination part, the first combination part is inserted and tightly clamped on the inner side of the upper end of the box body and abuts against the chip assembly, and second clamping grooves matched with the convex ribs are formed in the outer sides of two opposite side surfaces of the first combination part.

Preferably, the bottom of the base is provided with a plurality of positioning grooves, the periphery of the base extends upwards to form a circle of second combination portion, the second combination portion is tightly inserted into the inner side of the lower end of the box body and abuts against the chip assembly, and third clamping grooves matched with the convex ribs are formed in the outer sides of two opposite side surfaces of the second combination portion.

Preferably, the periphery of the box cover is locked at the opening at the upper end of the box body through screws, and the periphery of the base is locked at the opening at the lower end of the box body through screws.

The utility model has the advantages that:

1) the utility model reserves a triangle-shaped mounting opening on the box cover, reserves a mounting hole of the battery replacing connector on the base, and installs a triangle-shaped socket at the first charging and discharging opening according to the actual use requirement when the storage battery car adopts the traditional triangle-shaped socket to charge and discharge; if the battery car adopts the novel battery replacing connector to charge and discharge, the battery replacing connector is arranged at the second charging and discharging port, and the battery assembly can also have the functions of charging and discharging of a delta-shaped socket and charging and discharging of the battery replacing connector, so that the battery box with the same structure can meet various different charging requirements, the production cost of the battery box is reduced, and the application range of the battery box is expanded;

2) the battery box in the utility model is of a split structure, namely, the box cover, the box body and the base are three independent parts, so that the electricity changing connector is convenient to be installed in a reserved space between the chip combination and the base, and the stability of the whole battery box can not be influenced even if the electricity changing connector is not installed;

3) the utility model discloses in be equipped with protruding muscle on the box body, the chipset closes and is equipped with first draw-in groove, the lid is equipped with first joint portion, and be equipped with the second draw-in groove on first joint portion, be equipped with the second joint portion on the base, and be equipped with the third draw-in groove on the second joint portion, during the installation, correspond first draw-in groove on the chip combination and the protruding muscle of box body one by one, not only be convenient for the smooth installation of chip combination, but also play the effect of stabilizing the chip combination; the protruding muscle cooperation of lid and base through second draw-in groove and third draw-in groove and box body respectively has strengthened the joint strength of lid, base and box body, and the upper and lower both ends of chip combination are fixed through first joint portion and second joint portion respectively, have further stabilized the chip subassembly, consequently through above-mentioned structure, guarantee at storage battery car in-process that advances, the chip combination can not rock in the battery box, and arouse the not hard up of connecting wire.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;

fig. 4 is a side view of the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;

fig. 6 is a top view of the present invention;

fig. 7 is a bottom view of the present invention;

FIG. 8 is a schematic structural diagram of a chip assembly according to the present invention;

fig. 9 is a schematic structural view of the middle box cover of the present invention;

FIG. 10 is a schematic structural view of the box body of the present invention;

fig. 11 is a schematic structural view of the base of the present invention;

FIG. 12 is an exploded view of example 1;

FIG. 13 is an exploded view of example 2;

FIG. 14 is an exploded view of example 3;

in the figure: 10-chip assembly, 11-core assembly, 12-cell support, 13-cell connecting plate, 14-circuit board, 15-first card slot, 20-box cover, 21-first charging and discharging port, 22-power display screen, 23-handle, 24-first combining part, 25-quick-release sheet, 26-second card slot, 30-box body, 31-upper opening, 32-lower opening, 33-convex rib, 40-base, 41-second charging and discharging port, 42-positioning slot, 43-second combining part, 44-third card slot and 45-power-changing connector.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Example (b): as shown in fig. 1 to 14, a dual-purpose lithium battery pack includes a battery box and a chip assembly 10 disposed inside the battery box, wherein the battery box includes a box cover 20, a box body 30 and a base 40, the box body 30 is a hollow cylindrical structure with openings at two ends, the box cover 20 is detachably mounted at an upper end opening 31 of the box body 30, a first charging/discharging opening 21 is reserved on the box cover 20, the base 40 is detachably mounted at a lower end opening 32 of the box body 30, and a second charging/discharging opening 41 is reserved on the base 40. The first charging and discharging port 21 is a delta-shaped mounting port for mounting a delta-shaped socket, the second charging and discharging port 41 is used for mounting a power switching connector 45, and the delta-shaped socket and the power switching connector are electrically connected to the chip assembly 10. The utility model reserves a triangle-shaped mounting opening on the box cover 20, reserves a mounting hole of the battery replacing connector on the base 40, and installs a triangle-shaped socket at the first charging and discharging opening according to the actual use requirement when the battery car adopts the traditional triangle-shaped socket for charging and discharging; if the battery car adopts the novel battery replacing connector to charge and discharge, the battery replacing connector is arranged at the second charging and discharging port, and the battery assembly can also have the functions of charging and discharging of a delta-shaped socket and charging and discharging of the battery replacing connector, so that the battery box with the same structure can meet various different charging requirements, the production cost of the battery box is reduced, and the application range of the battery box is expanded; the battery case is split type structure, and lid, box body and base are three solitary parts promptly, are convenient for consequently trade the electric connector at the installation of headspace between chip assembly 10 and base 40, even do not install trade the electric connector and can not influence the holistic stability of battery case yet.

Preferably, the periphery of the box cover 20 is fastened to the opening at the upper end of the box body 30 by screws, and the periphery of the base 40 is fastened to the opening at the lower end of the box body 30 by screws.

As shown in fig. 6, an electric quantity display screen 22 is disposed on the box cover 20, the electric quantity display screen 22 is electrically connected to the chip assembly 10, and a handle 23 is fixedly disposed on the box cover 20. The surface of the box cover 20 is provided with the electric quantity display screen 22, so that a consumer can know the electric quantity condition of the battery pack in real time, and the battery pack is convenient to carry by the aid of the handle.

As shown in fig. 13, a quick release piece 25 is provided on the first charging/discharging port 21, and the periphery of the quick release piece 25 is connected to the case cover 20 through a cutting line portion. When the delta socket is installed, the quick release sheet is disconnected from the box cover, then the delta socket is installed at the first charging and discharging port 21 and is electrically connected to the circuit board 14 of the chip combination, and the base 40 can be directly a base without a through hole.

As shown in fig. 12 to 14, the second charging/discharging port 41 is a through hole sealed by a sealing plate detachably attached to the base 40. In practical application, the shape of the second charge-discharge port 41 can be marked on the base 40, and when the second charge-discharge port 41 needs to be used, the second charge-discharge port is processed; the second charging and discharging port can also be directly processed, for example, a square through hole is processed at the center of the base 50, the through hole is sealed by a sealing plate, and the sealing plate is taken down and the battery replacing connector is mounted when the battery charging and discharging device is used; two types of bases 40 can also be processed, one type is a non-porous base and the other type is a porous base, when only the delta socket is used, the non-porous base is adopted, and when the power replacing connector 45 is used, the porous base is used.

As shown in fig. 8, the chip assembly 10 includes a cell group 11, a cell support 12, a cell connecting plate 13 and a circuit board 14, the cell group 11 is formed by combining a plurality of cells, the cell support 12 is used for fixing the cell group 11, the cell connecting plate 13 is fixed on one side of the cell group 11 and is connected to the tab of the cell group, the circuit board 14 is fixed on the upper end of the cell group 11, and the circuit board 14 is electrically connected to the cell connecting plate 13.

As shown in fig. 10, a plurality of ribs 33 are disposed on the inner sides of two opposite sides of the case 30, and first engaging grooves 15 engaged with the ribs 33 are disposed on the outer sides of two opposite sides of the chip assembly 10. During the installation, with the first draw-in groove 15 on the chip combination 10 and the protruding muscle 33 one-to-one back of box body, insert the chip combination 10 in this box body, the installation of the chip combination of not only being convenient for of first draw-in groove and the protruding muscle that are equipped with plays the effect of stabilizing the chip combination moreover, guarantees at storage battery car in-process that advances, and the chip combination can not take place to rock before, after, left and right in the battery box, and arouses the not hard up of connecting wire.

As shown in fig. 9, a circle of first combining portions 24 is formed by extending the periphery of the box cover 20 downward, the first combining portions 24 are tightly inserted into the inner side of the upper end of the box body 30, the first combining portions 24 abut against the chip assembly 10, and second engaging grooves 26 matched with the ribs 33 are formed on the outer sides of two opposite sides of the first combining portions 24.

As shown in fig. 11, the bottom of the base 40 is provided with a plurality of positioning slots 42, the periphery of the base 40 extends upward to form a circle of second combining portion 43, the second combining portion 43 is inserted and tightly fastened to the inner side of the lower end of the box 30, the second combining portion 43 abuts against the chip assembly 10, and the outer sides of two opposite sides of the second combining portion 43 are provided with third locking slots 44 matched with the ribs 33. The box cover 20 and the base 40 are respectively matched with the convex ribs 33 of the box body 30 through the second clamping grooves 26 and the third clamping grooves 44, the bonding strength of the box cover, the base and the box body is enhanced, the upper end and the lower end of the chip assembly are respectively fixed through the first bonding part and the second bonding part, and the chip assembly is prevented from moving up and down relative to the battery box.

The utility model discloses an use:

the use method I comprises the following steps: embodiment 1, as shown in fig. 12, the holeless base 40 is adopted, when the chip assembly 10 is installed, the upper end of the chip assembly faces the box cover 20, even if the circuit board 14 in the chip assembly is close to the first charging and discharging port 21, the circuit board 14 is conveniently connected with the pin socket, then the quick release piece 25 is disconnected from the box cover, the quick release piece is taken down, the pin socket is installed at the first charging and discharging port 21, and the pin socket is electrically connected to the circuit board 14 of the chip assembly, the utility model is only suitable for charging and discharging of the pin socket;

the use method II comprises the following steps: in embodiment 2, as shown in fig. 13, the quick release sheet on the box cover 20 is retained, when the chip assembly 10 is installed, the upper end of the chip assembly faces the base 40, even if the circuit board 14 in the chip assembly is close to the second charge-discharge port 41, the circuit board 14 is conveniently connected to the battery replacement connector 45, the base 40 with a hole (the hole is the second charge-discharge port 41) is selected and used, then the battery replacement connector is installed at the second charge-discharge port 41, and finally the battery replacement connector is electrically connected to the circuit board of the chip assembly, which is only suitable for charging and discharging the battery replacement connector;

the using method comprises the following steps: in embodiment 3, as shown in fig. 14, when the chip assembly 10 is mounted, the upper end of the chip assembly faces the box cover 20, the quick release tab is disconnected from the box cover, the quick release tab is removed, the delta socket is mounted at the first charging/discharging port 21 and electrically connected to the circuit board 14 of the chip assembly, the perforated base 40 is selected for use, the battery replacing connector is mounted at the second charging/discharging port 41, and the battery replacing connector is electrically connected to the circuit board of the chip assembly.

It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A dual-purpose lithium battery pack characterized in that: including the battery case and arrange inside chip assembly (10) of battery case in, the battery case includes lid (20), box body (30) and base (40), box body (30) are both ends open-ended cavity tubular structure, lid (20) detachably install in upper end opening (31) department of box body (30), reserve a first charge-discharge mouth (21) on this lid (20), base (40) detachably install in lower extreme opening (32) department of box body (30), reserve a second charge-discharge mouth (41) on base (40).

2. The dual-purpose lithium battery pack of claim 1, wherein: the first charging and discharging port (21) is a delta-shaped mounting port and used for mounting a delta-shaped socket, the second charging and discharging port (41) is used for mounting a power switching connector (45), and the delta-shaped socket and the power switching connector are electrically connected to the chip assembly (10).

3. The dual-purpose lithium battery pack of claim 2, wherein: the first charging and discharging port (21) is provided with a quick-release sheet (25), and the periphery of the quick-release sheet (25) is connected to the box cover (20) through a cutting line part.

4. The dual-purpose lithium battery pack of claim 2, wherein: the second charging and discharging port (41) is a through hole sealed by a sealing plate detachably attached to the base (40).

5. The dual-purpose lithium battery pack of claim 1, wherein: chip assembly (10) includes electric core group (11), electric core support (12), electric core connecting plate (13) and circuit board (14), electric core group (11) is formed by a plurality of electric chip combinations, electric core support (12) are used for fixing electric core group (11), electric core connecting plate (13) are fixed in one side of electric core group (11) and connect the utmost point ear of electric core group, circuit board (14) are fixed in the upper end of electric core group (11) and this circuit board (14) and electric core connecting plate (13) electric connection.

6. The dual-purpose lithium battery pack of claim 1, wherein: the electric quantity display screen (22) is arranged on the box cover (20), the electric quantity display screen (22) is electrically connected with the chip assembly (10), and a handle (23) is fixedly arranged on the box cover (20).

7. The dual-purpose lithium battery pack of claim 1, wherein: the inner sides of two opposite side surfaces of the box body (30) are provided with a plurality of convex ribs (33), and the outer sides of the two opposite side surfaces of the chip combination (10) are provided with first clamping grooves (15) matched with the convex ribs (33).

8. The dual-purpose lithium battery pack of claim 7, wherein: the periphery of the box cover (20) extends downwards to form a circle of first combination part (24), the first combination part (24) is tightly inserted into the inner side of the upper end of the box body (30), the first combination part (24) abuts against the chip assembly (10), and second clamping grooves (26) matched with the convex ribs (33) are formed in the outer sides of two opposite side faces of the first combination part (24).

9. The dual-purpose lithium battery pack of claim 7, wherein: the bottom of base (40) is equipped with a plurality of constant head tanks (42), upwards extend around base (40) and form round second joint portion (43), this second joint portion (43) insert tightly in box body (30) lower extreme inboard, and this second joint portion (43) top lean on chip combination (10), the outside of two opposite sides of second joint portion (43) be equipped with protruding muscle (33) matched with third draw-in groove (44).

10. The dual-purpose lithium battery pack of claim 1, wherein: the periphery of the box cover (20) is locked at an opening at the upper end of the box body (30) through screws, and the periphery of the base (40) is locked at an opening at the lower end of the box body (30) through screws.