CN213936378U

CN213936378U - Extensible battery pack

Info

Publication number: CN213936378U
Application number: CN202023279707.0U
Authority: CN
Inventors: 肖朋飞; 曹龙; 张大华; 杨昌军
Original assignee: Hamedata Technology Co ltd
Current assignee: Hamedata Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-08-10
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a battery package that can extend, include: panel beating shell, a plurality of electric core group and electrically conductive connection piece, the electric core group includes: a plurality of single section battery package, first end cover and second end cover, single section battery package includes: the battery cell comprises a battery cell, a first insulating shell and a second insulating shell, wherein the first insulating shell is buckled on the second insulating shell, the battery cell is fixed between the first insulating shell and the second insulating shell, a positive electrode lug and a negative electrode lug are arranged above the battery cell, and the conductive connecting sheet is connected with the positive electrode lug or the negative electrode lug of the adjacent battery cell. The utility model discloses a connection stack of single section battery package constitutes electric core group to with a plurality of groups electric core group parallel arrangement between the panel beating shell, thereby furthest's capacity to electric core group extends in limited space, satisfies the user demand of user to different accumulate capacity, is convenient for maintain and change single section battery package simultaneously, saves user's use cost.

Description

Extensible battery pack

Technical Field

The utility model relates to an energy storage battery technical field especially relates to a battery package that can expand.

Background

An energy storage battery is a device for directly converting chemical energy into electric energy, is a battery designed according to rechargeability, realizes recharging through reversible chemical reaction, is one of batteries, and belongs to a secondary battery. The working principle is that the internal active substance is regenerated by using external electric energy during charging, the electric energy is stored into chemical energy, and the chemical energy is converted into the electric energy again for output when discharging is needed. Because of the increasing perfection and popularization of the electrical appliances, the energy storage battery is often used for supplying power to the electrical appliances when people play outdoors, perform outdoors, participate in outdoor exhibitions and the like. With the development of technology, the current energy storage battery is configured with an output power interface including 220V AC, USB, DC, etc., which can be used to solve the problem of power consumption of digital devices such as mobile phones, unmanned planes, cameras, computers, fans, air conditioners, televisions, etc., and support multiple electronic devices to be used simultaneously. But because energy storage battery's built-in battery capacity is relatively fixed, if need store more electric energy, often need change whole battery, expansibility is lower, and the low capacity battery under the change can't properly utilize moreover, leads to user's use cost to increase.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, provide a battery package that can expand.

The technical scheme of the utility model as follows: there is provided a scalable battery pack comprising: panel beating shell, mutual parallel set up in a plurality of electric core group in the panel beating shell and set up in electrically conductive connection piece on the electric core group, the electric core group includes: a plurality of single section battery of interconnect package, set up first end cover on first single section battery package and set up the second end cover on the single section battery package of tail, single section battery package includes: the battery comprises a battery cell, a first insulating shell and a second insulating shell, wherein the first insulating shell is buckled on the second insulating shell, the battery cell is fixed between the first insulating shell and the second insulating shell, a positive electrode lug and a negative electrode lug are arranged above the battery cell, and the conductive connecting sheet is connected with the positive electrode lug or the negative electrode lug of the adjacent battery cell.

Furthermore, a plurality of first buckling lugs are arranged on the first insulating shell, the first buckling lugs face to the buckled second insulating shell, first buckles are arranged on the second insulating shell corresponding to the first buckling lugs, and the first buckles are embedded into the first buckling lugs to achieve connection of the first insulating shell and the second insulating shell.

Furthermore, a plurality of second buckling lugs are arranged on the first insulating shell and the second end cover, the second buckling lugs face to the second insulating shell of the adjacent single-section battery pack, second buckles are arranged on the second insulating shell and the first end cover corresponding to the second buckling lugs, and the second buckles are embedded into the second buckling lugs to realize the connection of the first insulating shell and the second insulating shell and realize the connection of the first end cover or the second end cover and the single-section battery pack.

Furthermore, positioning columns are arranged on the first insulating shell and the second insulating shell, positioning through holes are formed in the conductive connecting sheet corresponding to the positioning columns, and the positioning columns are embedded into the positioning through holes.

Further, the top of anodal utmost point ear and negative pole utmost point ear is buckled and is formed the type of falling L, be provided with a plurality of U type grooves on the conductive connection piece, anodal utmost point ear and negative pole utmost point ear pass U type groove.

Further, be provided with a plurality of spread grooves on first end cover and the second end cover, the panel beating shell corresponds the spread groove and is provided with connect the via hole, the embedding has the nut in the spread groove, passes connect the via hole through the screw and locks in the nut in the spread groove to lock the electric core group inside the panel beating shell.

Furthermore, a plurality of heat dissipation holes are formed in the sheet metal shell.

According to the above technical scheme, the utility model discloses a core group is constituteed in the connection stack of single section battery package to with a plurality of groups core group parallel arrangement between the panel beating shell, thereby furthest's capacity to core group extends in limited space, satisfies the user to the user demand of different accumulate capacity, is convenient for maintain and change single section battery package simultaneously, saves user's use cost.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the connection between the electric core group and the conductive connecting sheet.

Fig. 3 is a schematic structural diagram of the electric core group.

Fig. 4 is a schematic structural diagram of a single battery pack.

Fig. 5 is a partially enlarged view of a portion a in fig. 4.

Fig. 6 is a partially enlarged view of a portion B in fig. 4.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 4, the present invention provides a scalable battery pack, including: the metal plate shell 1, parallel to each other set up in a plurality of electric core groups 2 in the metal plate shell 1 and set up in electrically conductive connection piece 3 on the electric core group 2. The electric core group 2 comprises: a plurality of single battery packs 21, a first end cap 22 disposed on the first single battery pack 21, and a second end cap 23 disposed on the last single battery pack 21 are connected to each other. The single battery pack 21 includes: a battery cell 211, a first insulating case 212, and a second insulating case 213. The first insulating shell 212 is fastened to the second insulating shell 213, and the battery cell is fixed between the first insulating shell 212 and the second insulating shell 213. The battery cell 211 is provided with a positive electrode tab 2111 and a negative electrode tab 2112, and the conductive connecting sheet 3 is connected with the positive electrode tab 2111 or the negative electrode tab 2112 of the adjacent battery cell 211. When the battery pack is used, according to the use requirements of users, the single battery packs 21 with the corresponding number are selected, the single battery packs 21 are sequentially connected, and the positive pole lug 2111 or the negative pole lug 2112 of the adjacent single battery pack 21 is connected through the conductive connecting sheet 3, so that the single battery packs 21 are connected in parallel, the total capacity of the battery pack 2 is increased, and the requirements of the users are met. When a certain single battery pack 21 breaks down, the corresponding single battery pack 21 can be checked and replaced, so that the overall use effect of the electric core group 2 is ensured, and the maintenance and replacement cost is reduced. If the user thinks that the electric core group 2's that uses capacity is not enough, can be through the single section battery package 21 that increases corresponding quantity to realize the dilatation, avoid changing the battery and lead to the extravagant condition of primary battery, save the cost, and the installation is convenient. The plurality of electric core groups 2 are arranged in the sheet metal shell 1 in parallel, so that more single battery packs 21 are connected in a limited space, larger total capacity is obtained, and the use requirements of users are met.

Referring to fig. 3 to 6, the first insulating shell 212 is provided with a plurality of first fastening lugs 2121, the first fastening lugs 2121 face the fastened second insulating shell 213, the second insulating shell 213 is provided with first fastening buckles 2131 corresponding to the first fastening lugs 2121, and the first fastening buckles 2131 are embedded in the first fastening lugs 2121 to connect the first insulating shell 212 and the second insulating shell 213. Through the lock of first buckle 2121 and first buckle 2131, realize the fast loading and unloading of single section battery package 21 to protect battery core 211 through first insulating casing 212 and second insulating casing 213, avoid battery core 211 to take place the short circuit or suffer the collision and the danger that takes place.

The first insulating shell 212 and the second end cap 23 are provided with a plurality of second fastening lugs 2122, the first fastening lugs 2122 face the second insulating shell 213 of the adjacent single battery pack 21, the second insulating shell 213 and the first end cap 22 are provided with second fastening buckles 2132 corresponding to the second fastening lugs 2122, and the second fastening buckles 2132 are embedded into the second fastening lugs 2122 so as to realize the connection between the first insulating shell 212 and the second insulating shell 213 and the connection between the first end cap 22 or the second end cap 23 and the single battery pack 21. Through the lock of second buckle 2122 with second buckle 2132, realize the high-speed joint of adjacent single section battery package 21 and the connection of the first end cover 22 at both ends and second end cover 23, the equipment of the electric core group 2 of being convenient for improves the installation effectiveness, is convenient for change and maintain single section battery package 21 simultaneously.

Positioning posts 2123 are disposed on the first insulating housing 212 and the second insulating housing 213, positioning through holes 31 are disposed on the conductive connecting sheet 3 corresponding to the positioning posts 2123, and the positioning posts 2123 are embedded in the positioning through holes 31. The positioning post 2123 is inserted into the positioning through hole 31 to provide positioning for the conductive connecting sheet, and the conductive connecting sheet 3 is contacted with the positive electrode tab 2111 or the negative electrode tab 2112, so that the parallel connection between the adjacent single battery packs 21 is realized.

The upper portions of the positive electrode tab 2111 and the negative electrode tab 2112 are bent to form an inverted L shape, a plurality of U-shaped grooves 32 are formed in the conductive connecting sheet 3, and the positive electrode tab 2111 and the negative electrode tab 2112 penetrate through the U-shaped grooves 32. After the positive electrode tab 2111 and the negative electrode tab 2112 pass through the U-shaped groove, the lower surface of the positive electrode tab is in contact with the conductive connecting sheet 3, so that the connection effect between the adjacent electric cores 211 is ensured, and the condition that the use of the electric core group 2 is influenced due to poor contact is avoided.

Be provided with a plurality of spread grooves 221 on first end cover 22 and the second end cover 23, panel beating shell 1 corresponds spread groove 221 and is provided with connect through hole 11, it has nut 4 to embed in spread groove 221, passes connect through hole 11 through the screw and locks in the nut 4 in spread groove 221 to lock electric core group 2 inside panel beating shell 1. When the quantity of the single section battery package 21 that inserts is less in electric core group 2, can be fixed in metal plate shell 1 inside with electric core group 2 through the screw, avoid having great vacancy because of metal plate shell inside and leading to electric core group 2 to rock, prevent that electric core group 2 from taking place the danger of burning or even explosion because of rocking or colliding.

The sheet metal shell 1 is provided with a plurality of heat dissipation holes 12. When electric core 211 charges and supplies power, all can produce a large amount of heats, can go out the heat conduction through panel beating shell 1 to make electric core 211 can contact with more air through the louvre, thereby with heat dissipation to the air in, reinforcing radiating effect, thereby the life of protection electric core 211 does not reduce because of overheated.

To sum up, the utility model discloses a core group is constituteed in the connection stack of single section battery package to with a plurality of groups core group parallel arrangement between the panel beating shell, thereby furthest's capacity to core group extends in limited space, satisfies the user demand of user to different accumulate capacity, is convenient for maintain and change single section battery package simultaneously, saves user's use cost.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A scalable battery pack, comprising: panel beating shell, mutual parallel set up in a plurality of electric core group in the panel beating shell and set up in electrically conductive connection piece on the electric core group, the electric core group includes: a plurality of single section battery of interconnect package, set up first end cover on first single section battery package and set up the second end cover on the single section battery package of tail, single section battery package includes: the battery comprises a battery cell, a first insulating shell and a second insulating shell, wherein the first insulating shell is buckled on the second insulating shell, the battery cell is fixed between the first insulating shell and the second insulating shell, a positive electrode lug and a negative electrode lug are arranged above the battery cell, and the conductive connecting sheet is connected with the positive electrode lug or the negative electrode lug of the adjacent battery cell.

2. The expandable battery pack according to claim 1, wherein a plurality of first fastening lugs are arranged on the first insulating shell, the first fastening lugs face to the fastened second insulating shell, a first fastener is arranged on the second insulating shell corresponding to the first fastening lugs, and the first fastener is embedded into the first fastening lugs to connect the first insulating shell and the second insulating shell.

3. The expandable battery pack according to claim 1, wherein a plurality of second fastening lugs are arranged on the first insulating shell and the second end cap, the second fastening lugs face to the second insulating shell of the adjacent single battery pack, and second fasteners are arranged on the second insulating shell and the first end cap corresponding to the second fastening lugs and embedded into the second fastening lugs to connect the first insulating shell and the second insulating shell and to connect the first end cap or the second end cap with the single battery pack.

4. The expandable battery pack according to claim 1, wherein positioning posts are disposed on the first and second insulating cases, the conductive connecting piece is provided with positioning through holes corresponding to the positioning posts, and the positioning posts are embedded in the positioning through holes.

5. The expandable battery pack according to claim 1, wherein the upper portions of the positive electrode tab and the negative electrode tab are bent to form an inverted L shape, the conductive connection sheet is provided with a plurality of U-shaped grooves, and the positive electrode tab and the negative electrode tab pass through the U-shaped grooves.

6. The expandable battery pack according to claim 1, wherein a plurality of connecting grooves are formed in the first end cover and the second end cover, the metal plate shell is provided with connecting through holes corresponding to the connecting grooves, nuts are embedded in the connecting grooves and pass through the connecting through holes through screws to be locked in the nuts in the connecting grooves, and therefore the battery pack is locked inside the metal plate shell.

7. The expandable battery pack of claim 1, wherein a plurality of heat dissipation apertures are provided in the sheet metal housing.