WO2012103671A1

WO2012103671A1 - Expandable split type battery device

Info

Publication number: WO2012103671A1
Application number: PCT/CN2011/000193
Authority: WO
Inventors: 宋廉永; 庄镇源; 朱恒德; 许先良; 朱素芳
Original assignee: 汉能电动车有限公司
Priority date: 2011-02-01
Filing date: 2011-02-01
Publication date: 2012-08-09

Abstract

The present invention discloses an expandable split type battery device (1, 1a). Said battery device (1, 1a) comprises a first battery unit (10) and a second battery unit (20), the first battery unit (10) comprises a first battery core (11) and a first cover (13) electrically connected with the first battery core (11), a first joining component (131,132) is formed in the edge of the first cover (13), and has a first electrode (130); the second battery unit (20) is located in one side of the first battery unit (10), and comprises a second battery core (21) and a second cover (23) electrically connected with the second battery core (21), a second joining component (231) is formed in the edge of the second cover (23), and has a second electrode (230); the second joining component(231) assembles with the first joining component (131,132) to electrically connect the first electrode (130) and the second electrode (230) together. Said battery device (1, 1a) can add or remove the battery unit (10, 20) according to need, so as to achieve the purpose of easy assembly and maintenance.

Description

Expandable modular battery device

Technical field

The present invention relates to a battery device, and more particularly to an expandable secondary battery device.

Lithium batteries (or secondary batteries, rechargeable batteries) Due to their high energy density, high operating voltage, and power recharge, many lithium battery cells are connected in series or in parallel to form a battery device. It is used as a source of energy for various electric power products, such as battery devices for automobiles or electric vehicles, etc.

Although there are a large number of battery types in the market today, various battery cores have different appearances, and are often limited by the battery accommodation space of the motor equipment, or the consideration of power factors such as operating voltage, current and time. It is very difficult to find the right type of battery. In addition, there is another combination type battery device on the market. Although the number of battery cells can be increased or decreased in the original battery device to meet the needs of use, the battery manufacturer needs to be installed in person to avoid The battery core is damaged; in addition, when the existing combined battery device is to be replaced or repaired, it is necessary to carry out the entire battery device at the same time, which is time consuming and costly. Invention disclosure

It is an object of the present invention to provide an expandable modular battery device that utilizes a grouping method to add or remove battery cells for ease of assembly and maintenance.

In order to achieve the above object, the present invention provides an expandable type assembled battery device for grouping with a second battery unit, the battery device including a first battery unit, and the first battery unit including at least one first battery a core and a first outer cover electrically connected to the first battery core, the outer edge of the first outer cover is formed with a first joint portion, and the first joint portion has a first electrode; wherein the first joint portion is assembled in the second battery unit The upper electrode and the second battery unit are connected to each other.

In order to achieve the above object, the present invention further provides an expandable type assembled battery device comprising a first battery unit and a second battery unit, the first battery unit comprising at least one first battery core and an electrical connection a first outer cover of the battery core, the outer edge of the first outer cover is formed with a first joint portion, and the first joint portion has a first electrode, the second battery unit is located at one side of the first battery unit, and the second battery unit a second battery cover and a second outer cover electrically connected to the second battery core, and the outer edge of the second outer cover is formed with a second outer cover The second splicing portion has a second electrode, and the second splicing portion is assembled on the first splicing portion to guide the first electrode and the second electrode to each other.

In order to achieve the above object, the present invention further provides an expandable split battery device, comprising at least a first battery pack, a second battery pack, a third battery pack, and a battery base set, the first battery pack The first battery unit includes a plurality of first battery cells, each of the first battery cells includes at least one first battery core and a first outer cover electrically connected to the first battery core, and the outer edge of the first outer cover is formed with a plurality of first The first splicing portion has a first electrode, the first slab is embedded in the first slot of the adjacent first battery unit, and the second battery is located at the splicing portion, the first splicing portion and the first splicing portion One side of the first battery pack includes a plurality of second battery cells embedded in each other, each second battery pack includes at least one second battery core and a second outer cover electrically connected to the second battery core, and a second The outer edge of the outer cover is formed with a second joint portion, a second insert block and a second insert groove, the second joint portion has a second electrode, and the second insert block is embedded in the second recessed groove of the adjacent second battery unit. And the second splicing portion is assembled on the first splicing portion, so that the second The electrode and the second electrode are connected to each other, and the third battery is located on the other side of the first battery pack, and includes a plurality of third battery cells embedded in each other, and each of the third battery cells includes at least one third battery a core and a third outer cover electrically connected to the third battery core; the outer edge of the third outer cover is formed with a third joint portion, a third insert block and a third insert groove, and the third bump has a third electrode and a third insert block Embedded in the third recess of the adjacent third battery unit, and the third insert is assembled on the first recess, so that the first electrode and the third electrode are connected to each other, and the battery base group is assembled. A battery pack, a second battery pack, and a bottom side of the third battery pack.

Another object of the invention is to provide an expandable type assembled battery device. Since the battery cells are connected to each other in a nested manner, the firmness of the battery device can be increased after the combination.

Still another object of the present invention is to provide an expandable type assembled battery device, in which a battery cell can be further disposed inside a casing of a battery unit, so that the number of cells per unit volume can be increased to more effectively utilize the setting. space.

Another object of the present invention is to provide an expandable type assembled battery device that assembles battery cells in a simple assembly manner, and provides a user to assemble or replace the battery without having to notify the battery manufacturer to attend the scene. Therefore, the time and cost of setting and maintenance can be saved.

Another object of the present invention is to provide an expandable type assembled battery device, wherein the battery unit is configured by a combination of the components, which not only achieves elastic production, but also effectively improves production efficiency, and The high sharing of components can reduce the cost of mold opening.

Compared with the prior art, the expandable type assembled battery device of the present invention is used in the battery sheets. The assembly of the outer cover of the element is provided with a combination mechanism, so that the battery units can be assembled by means of mutual assembly, so that the battery device has high firmness after assembly, and the assembly is easy and the production speed is fast; In addition, the present invention can increase or remove the number of battery cells according to the use requirements, and thus has a high degree of flexibility; further, the battery device of the present invention can repair only a single or a part of the battery cells, thereby greatly reducing The utility of the battery device is improved by the time to be repaired, and the convenience and practicability of the invention are further increased. BRIEF DESCRIPTION OF THE DRAWINGS

1 is a schematic perspective view of a scalable assembled battery device of the present invention;

2 is an exploded perspective view of the expandable type assembled battery device of the present invention;

Figure 3 is a sectional view showing the combination of the expandable type assembled battery device of the present invention;

4 is a cross-sectional view showing the outer cover of the expandable assembled battery device of the present invention;

Figure 5 is an application embodiment of the present invention;

FIG. 6 is a schematic perspective view of an application embodiment of the present invention.

[Main component symbol description] wherein, reference numeral

1, la battery device

100 first battery pack

10 first battery unit 11 first battery core

110 body 111 electrode handle

112 electrode handle 12 first cover

13 first cover 130 first electrode

1300 first guiding portion 131 first joint portion

132 first joint 133 first insert

134 first slot 135 first outer battery

136 first card boring hole 14 first support hood

200 second battery pack

20 second battery unit 21 second battery core

22 second covering body 23 second outer cover

230 second electrode 2300 second guide

231 second joint portion 232 second insert 233 second slot 234 second outer battery core

235 first outer electrode 236 second card hole

24 second support cover

300 third battery pack

30 third battery unit 31 third battery core

32 third cover 33 third cover

330 third electrode 3300 third guide

331 third joint 332 third insert

333 second slot 334 third outer battery core

335 second outer electrode 34 third support cover

40 Assembly mechanism 41 Elastic components

42 compression body

50 battery base set 51 first base

52 second base 53 third base The best way to achieve the present invention

The detailed description and technical content of the present invention are set forth below with reference to the accompanying drawings.

1 to 3 are respectively a perspective view, a perspective exploded view, and a combined cross-sectional view of the expandable assembled battery device of the present invention; the expandable assembled battery device 1 of the present invention mainly includes a first battery. The unit 10, a second battery unit 20, a third battery unit 30, a plurality of assembly mechanisms 40, and a battery base assembly 50.

The first battery unit 10 includes at least one first battery core 11 , a first covering body 12 , a first outer cover 13 electrically connected to the first battery core 11 , and a first supporting cover 14 . The battery core 11 is a lithium ion battery or a polymer lithium battery or other type of secondary battery, and has a body 1 10 and two electrode handles 111 and 112 extending outward from the body 110. In this embodiment, The first battery unit 10 includes a plurality of first battery cells 11 , and the body 110 of the first battery core 11 is a thin rectangular parallelepiped shape, but is not limited thereto.

The first covering body 12 is configured to protect and position the first battery cores 11. The first covering body 12 may be made of an insulating material or a heat dissipating material and fit over the first battery core 11 . The first outer cover 13 is formed with a plurality of first splicing portions 131, 132, a first insert 133 and a first recess 134. The first splicing portions 131, 132 include a first bump and a first recess, and each of the first splicing portions 131, 132 has a first electrode 130, and the first outer cover 13 has a first guiding portion 1300 on a side facing the first battery core 11 The first guiding portion 1300 is electrically connected to the first electrode 130. The electrode handles 111 and 112 of the first battery core 11 are connected to the first guiding portions 1300.

In addition, the first outer cover 13 further includes a first outer battery core 135 disposed inside the first outer cover 13 and electrically connected to the first electrode 130. Furthermore, the first support cover 14 is sleeved outside the first cover 12 and is disposed on the opposite side of the first cover 13.

The second battery unit 20 is located on one side of the first battery unit 10, and the second battery unit

20 includes at least one second battery core 21, a second covering body 22, a second outer cover 23 electrically connected to the second battery core 21, and a second support cover 24.

The second battery unit 20 is substantially the same as the first battery unit 10. The second cover 22 is sleeved on the second battery core 21, and the outer edge of the second cover 23 is formed with a second stitch. The second splicing portion 231 has a second electrode 230, and the second splicing portion 231 is assembled on the first splicing portion 131, so that the second splicing portion 231 is assembled on the first splicing portion 131. The first electrode 130 and the second electrode 230 are connected to each other. The first splicing portion 131 and the second splicing portion 231 are correspondingly disposed. In this embodiment, the first splicing portion 131 is first. The second splicing portion 231 is also configured as a second groove. In the actual implementation, the first splicing portion 131 can also be a groove, and the second splicing portion 231 is a bump.

Furthermore, the second outer cover 23 can further include a second outer battery core 234 and a first outer electrode 235. The second outer battery core 234 is disposed inside the second outer cover 23 and electrically connected to the second outer cover 23 The second electrode 230 has a second guiding portion 2300 on the side facing the second battery core 21, and the second guiding portion 2300 is electrically connected to the second electrode 230, and the second guiding portion 2300 is electrically connected to the second electrode 230. The second battery core 21 is connected to the second guiding portions 2300; further, the second supporting cover 24 is sleeved outside the second covering body 22, and is disposed on the second outer cover 23 In the embodiment, the first outer electrode 235 is connected to an external power source, and the first outer electrode 235 is disposed on the second block 232 and is connected to the second electrode 230.

The third battery unit 30 is located on the other side of the first battery unit 10 with respect to the second battery unit 20, and has the same structure as the second battery unit 20. The third battery unit 30 includes At least a third battery core 31, a third covering body 32, a third outer cover 33 electrically connected to the third battery core 31, and a third supporting cover 34.

The third cover body 32 is sleeved on the outer side of the third battery core 31. The outer edge of the third outer cover 33 is formed with a third joint portion 331, a third insert 332 and a third recess 333. The third splicing portion 331 has a third electrode 330, and the third splicing portion 331 is assembled on the first splicing portion 132, so that the first electrode 130 and the third electrode 330 are mutually guided. The third splicing portion 331 and the first splicing portion 132 are correspondingly disposed. The third splicing portion 331 is disposed as a third protrusion, and the first splicing portion 132 is a first groove. In this case, the first joint portion 132 may be a bump, and the third joint portion 331 may be a groove.

Similarly, the third outer cover 33 can further include a third outer battery core 334 and a second outer electrode.

335. The third outer battery core 334 is disposed inside the third outer cover 33 and electrically connected to the third electrode 330. The third outer cover 33 has a first side facing the third battery core 31. a third guiding portion 3300, the third guiding portion 3300 is electrically connected to the third electrode 330, and the third battery core 31 is connected to the third guiding portions 3300; 34 is sleeved on the opposite side of the third cover body 32, and is disposed on the opposite side of the third cover 33. In this embodiment, the second outer electrode 335 is used to connect an external power source, and the second outer The electrode 335 is disposed on the third block 332 and is connected to the third electrode 330.

In the above structure, the assembly mechanisms 40 are respectively disposed at two places where the first outer cover 13, the second outer cover 23 and the third outer cover 33 meet, and the assembly mechanism 40 includes an elastic component 41 ( In the present embodiment, the assembly mechanisms 40 are respectively disposed on the first splicing portion 132, the second splicing portion 231, and the first splicing portion. On the block 133, a first latching hole 136 is formed in the outer edge of the first splicing portion 131 and the first recessed groove 134, and the second latching hole 233 is formed with a second latching hole 236. A third latching hole 336 is formed in the outer edge of the joint portion 331 and the third recessed groove 333. The elastic component is assembled when the second joint portion 231 is assembled on the first joint portion 131. 41 is elastically compressed, and the pressing body 42 on the second joint portion 231 abuts against the first latching hole 136, and the third joint portion 331 is assembled in the first joint portion. When the upper portion 132 is 132, the pressing body 42 on the first joint portion 132 will abut against the third latching hole 336.

The battery base set 50 is assembled on the bottom side of the first battery unit 10, the second battery unit 20, and the third battery unit 30. The battery base set 50 includes a first base 51 and a second base. 52, and a third base 53, the first base 51 is also disposed in the first recess 134 of the first cover 13 through the assembly mechanism 40. Similarly, the second base 52 is assembled a second recess 233 of the second outer cover 23, the third base 53 is disposed in the third recess 333 of the third outer cover 33, and the second base 52 and the third base 53 are respectively assembled The two sides of the first base 51.

Referring to FIG. 4 again, a cross-sectional view of the first outer cover, the second outer cover, the third outer cover and the battery base set of the expandable assembled battery device of the present invention; as can be clearly seen from the figure, the second outer cover 23 and the third outer cover 33 are respectively assembled on the two sides of the first outer cover 13 by the assembly mechanism 40, and the second electrode 230 and the third electrode 330 are respectively connected to the first electrode 130, thereby After the first external electrode 235 and the second external electrode 335 are connected to the external power source, the first battery pack 10, the second battery pack 20, and the third battery pack 30 are electrically connected to each other to the first battery core 11 ( The first outer battery cell 135), the second battery core 21 (second outer battery cell 234), and the third battery core 31 (third outer battery core 334) are charged or discharged.

5 and FIG. 6 respectively, which are respectively an application embodiment and a stereoscopic appearance of the present invention. The present invention can utilize the grouping method to expand the battery device to meet the operating voltage, current, and time required during use. Therefore, in actual use, the battery device 1a may include at least one first battery pack 100, a second battery pack 200, a third battery pack 300, a plurality of assembly mechanisms 40, and a battery base set 50.

The first battery unit 100 includes a plurality of first battery units 10 that are embedded in each other. The structure of each of the battery units 10 is the same as that described above, and therefore, the first battery unit 10 is assembled. The first insert 133 of the unit 10 is embedded in the first recess 134 of the adjacent first battery unit 10 (please refer to FIG. 2), which can be stacked and stacked on each other in the vertical and horizontal directions to form a The first battery pack 100.

In addition, the second battery pack 200 is located on one side of the first battery pack 100, and includes a plurality of second battery units 20 that are embedded with each other. When the second battery units 20 are assembled, the second battery unit The second insert 232 of the unit 20 is embedded in the second recess 233 of the adjacent second battery unit 20, and the first outer electrode 235 is disposed on the outermost second battery unit 20, thereby being in the vertical direction. A second battery pack 200 is formed by being stacked and stacked one upon another.

Similarly, the third battery pack 300 is located on the other side of the first battery pack 100, and also includes a plurality of third battery cells 30 that are embedded with each other. When the third battery cells 30 are assembled, The third insert 332 of the third battery unit 20 is embedded in the second recess 333 of the adjacent third battery unit 30, and the second outer electrode 335 is disposed on the outermost third battery unit 30. In the vertical direction A third battery pack 300 is formed by stacking and stacking.

Accordingly, the number of battery cells can be increased according to the use requirements to achieve the purpose of expanding the battery device. On the other hand, if necessary, one of the battery cells or a part of the battery cells can be easily removed, thereby increasing the convenience in use. And flexible use.

There are a variety of other embodiments of the present invention, and various modifications and changes can be made thereto in accordance with the present invention without departing from the spirit and scope of the invention. Changes and modifications are intended to be included within the scope of the appended claims. Industrial applicability

The expandable type assembled battery device disclosed by the invention can increase the number of battery cells according to the use requirement, so as to expand the battery device, on the other hand, one battery unit or part can be easily removed if necessary. The battery unit increases the convenience and flexibility of use.

Claims

Claim

1. An expandable modular battery device for grouping with a second battery unit, wherein the battery device includes a first battery unit, the first battery unit including at least one first battery cell And electrically connecting the first outer cover of the first battery core, the outer edge of the first outer cover is formed with a first joint portion, and the first joint portion has a first electrode; wherein the first joint portion is assembled And connecting the first electrode and the second battery unit to each other on the second battery unit.

2. The expandable modular battery device according to claim 1, wherein the first outer cover further comprises an outer battery core, the outer battery core electrically guiding the first electrode.

The expandable assembled battery device according to claim 1, wherein the assembly mechanisms are respectively disposed at the intersection of the first cover and the second battery unit.

The expandable assembled battery device according to claim 3, wherein the assembly mechanism is disposed on the second battery unit, and the outer edge of the first joint portion is formed with a first card Pupil.

The expandable modular battery device according to claim 3, wherein the assembly mechanism comprises an elastic component and a pressing body assembled on the elastic component.

The expandable modular battery device according to claim 1, wherein the first splice portion is a bump, and the second splice portion is a recess.

The expandable assembled battery device according to claim 1 , wherein the first outer cover has a first guiding portion on a side facing the first battery core, the first guiding portion The portion is electrically connected to the first electrode.

The expandable battery pack device of claim 1 , further comprising a first covering body, the first covering body being sleeved outside the first battery core.

The expandable assembled battery device according to claim 8, further comprising a first support cover disposed on an opposite side of the first cover, the first support cover being sleeved on the first Covered outside the body.

10. The expandable modular battery device of claim 1, further comprising a first base disposed on a bottom side of the first outer cover.

11. An expandable modular battery device, comprising:

a first battery unit includes at least one first battery core and a first outer cover electrically connected to the first battery core, the outer edge of the first outer cover is formed with a first splicing portion, and the first splicing portion has a the first Electrode;

a second battery unit is disposed on a side of the first battery unit, the second battery unit includes at least one second battery core and a second outer cover electrically connected to the second battery core, the second outer cover A second splicing portion is formed on the outer edge, the second splicing portion has a second electrode, and the second splicing portion is assembled on the first splicing portion to guide the first electrode and the second electrode to each other.

The expandable modular battery device according to claim 11, wherein the first outer cover further comprises an outer battery core, the outer battery core electrically guiding the first electrode.

The expandable battery pack device of claim 11 , further comprising a plurality of assembly mechanisms, wherein the assembly mechanisms are respectively disposed at the first cover and the second cover Where.

The expandable modular battery device according to claim 13, wherein the assembly mechanism is disposed on the second splicing portion, and the outer edge of the first splicing portion is correspondingly formed with a first card hole.

The expandable modular battery device according to claim 13, wherein the assembly mechanism comprises an elastic component and a pressing body assembled on the elastic component.

The expandable panel type battery device according to claim 11, wherein the first splice portion is a bump, and the second splice portion is a recess.

The expandable battery assembly device of claim 11 , wherein the first outer cover has a first guiding portion on a side facing the first battery core, the first guiding portion The second conductive cover is electrically connected to the second electrode. The second conductive cover has a second guiding portion on a side facing the second battery core, and the second guiding portion is electrically connected to the second electrode.

The expandable assembled battery device according to claim 11, further comprising a first covering body and a second covering body, wherein the first covering body is sleeved in the first Outside the battery core, the second covering body is sleeved outside the second battery core.

The expandable assembled battery device of claim 18, further comprising a first support cover and a second support cover disposed on opposite sides of the first cover and the second cover, The first support cover is sleeved on the first cladding body, and the second support cover is sleeved on the second cladding body.

The expandable battery pack device of claim 11 , further comprising a first base and a second base, wherein the first base is disposed on a bottom side of the first cover, Second The base is assembled on the bottom side of the second cover.

An expandable type assembled battery device, comprising:

At least one first battery pack includes a plurality of first battery cells embedded in each other, each first battery cell includes at least one first battery core and a first outer cover electrically connected to the first battery core, the first The outer edge of the outer cover is formed with a plurality of first splicing portions, a first splicing block and a first splicing portion, the first splicing portion has a first electrode, and the first splicing block is embedded in the adjacent first battery In the first recess of the unit;

a second battery pack, located on one side of the first battery pack, includes a plurality of second battery cells embedded in each other, each second battery pack includes at least one second battery core and electrically connected to the first battery a second outer cover of the second battery, the outer edge of the second outer cover is formed with a second joint portion, a second insert portion and a second insert groove, the second joint portion has a second electrode, the second insert The block is embedded in the second recess of the adjacent second battery unit, and the second joint is assembled on the first joint to guide the first electrode and the second electrode to each other;

a third battery unit, located on the other side of the first battery pack, includes a plurality of third battery cells embedded in each other, each third battery unit includes at least one third battery core and electrically connected to the third battery unit a third outer cover of the third battery core, the outer edge of the third outer cover is formed with a third joint portion, a third insert portion and a third insert groove, the third joint portion has a third electrode, the third portion Inserting the block in the third recess of the adjacent third battery unit, and the third joint is assembled on the first joint to guide the first electrode and the third electrode to each other;

A battery base set is assembled on the bottom side of the first battery pack, the second battery pack, and the third battery pack.

The expandable modular battery device according to claim 21, wherein the first outer cover further comprises a first outer battery core, the first outer battery core electrically connecting the first electrode.

The expandable assembled battery device according to claim 21, further comprising a plurality of assembly mechanisms, wherein the assembly mechanisms are respectively disposed on the first outer cover, the second outer cover, and the first The two covers of the three outer covers.

The expandable panel type battery device according to claim 23, wherein the first splice portions are respectively disposed corresponding to the second splice portion and the third splice portion.

The expandable modular battery device according to claim 24, wherein the first splices comprise a first bump and a first recess, and the second splice is a second a groove, the third joint portion is a third protrusion, and the assembly mechanisms are respectively disposed in the first groove and the second concave A first latching hole is formed on the outer edge of the first bump, and a third latching hole is formed in the outer edge of the third bump.

The expandable assembled battery device according to claim 25, wherein the assembly mechanisms are respectively disposed on the first insert, the second insert, and the third insert, The first recessed groove is formed with another first latching hole, and the second recessed slot is correspondingly formed with another second latching hole, and the third recessed slot is correspondingly formed with another third latching hole.

27. The expandable modular battery device according to claim 23, wherein the assembly mechanism comprises an elastic component and a pressing body assembled on the elastic component.

The splicing type battery device according to claim 21, wherein the first outer cover has a first guiding portion on a side facing the first battery core, the first guiding portion The second outer cover is electrically connected to the second electrode, the second outer cover is electrically connected to the second electrode, and the third outer cover is electrically connected to the second electrode. A third guiding portion is disposed on a side of the third battery core, and the third guiding portion is electrically connected to the third electrode.

The expandable assembled battery device according to claim 21, further comprising a first covering body, a second covering body and a third covering body, the first covering The body is sleeved outside the first battery core, and the second cover body is sleeved outside the second battery core, and the third cover body is sleeved outside the third battery core.

The expandable assembled battery device according to claim 21, further comprising a first support cover to a third support cover disposed on opposite sides of the first cover to the third cover, the A support cover is sleeved on the first outer cover, the second support cover is sleeved on the second outer cover, and the third support cover is sleeved on the third outer cover.

The expandable battery assembly of claim 21, wherein the battery base assembly comprises a first base, a second base, and a third base, the first base is disposed at a bottom side of the first outer cover, the second base is disposed on a bottom side of the second outer cover, the third base is disposed on a bottom side of the third outer cover, and the second base and the third base respectively Grouped on the two sides of the first base.

The expandable assembled battery device according to claim 21, wherein the second outer cover further comprises a first outer electrode that leads to the second electrode, and the third outer cover further includes A second external electrode is connected to the third electrode, and the first electrode and the second electrode are used to conduct an external power source.