TWI514645B - Battery module positioning structure and battery module - Google Patents

Description

Battery module positioning structure and battery module

The invention relates to the technical field of battery manufacturing and assembly, in particular to a battery module positioning structure and a battery module for quickly positioning and assembling electrodes.

With the popularity of portable electronic products, how to effectively extend the use time of the portable electronic products becomes a key technology. Traditionally, in addition to increasing the battery capacity of the portable electronic product, the power can be supplemented by the mobile power source to achieve the effect of extending the use time of the portable electronic product.

The mobile power source mainly includes a casing, an electrical connector, a battery core and an electrode. The housing encloses the electrical connector, the battery core and the electrode. The electrical connector can be coupled to the portable electronic product, such as a universal serial bus (USB) connector. The battery cell is connected to the electrical connector through the electrode.

In order to enable the electrode to be firmly connected to the battery cell, the electrode may be fixed by, for example, forming a groove in the casing to accommodate the electrode, and the electrode is connected to the battery cell; however, the groove Assembling the electrode is a complicated assembly method, and it is possible that the electrode is misaligned due to the alignment of the electrode.

In view of this, the present invention provides a battery module positioning structure and a battery module to solve the lack of the prior art.

A first object of the present invention provides a battery module positioning structure comprising a substrate and an electrode sheet, wherein a plurality of perforations are formed on the substrate to achieve the purpose of clamping and fixing the electrode.

A second object of the present invention is to provide the foregoing battery module positioning structure, which can be quickly detached from the perforations for the purpose of rapid replacement.

A third object of the present invention provides the foregoing battery module positioning structure, wherein the electrode sheets can be expanded to a plurality of electrodes, and the electrode sheets can reduce the poor conductivity of the electrode sheets and achieve high electrical conductivity.

A fourth object of the present invention provides the battery module positioning structure described above, which has the characteristics of flexibility and high insulation, and can be further crimped and bent along with the appearance shape of a battery core to cover the battery core. The battery core has electrical isolation or the like to the external environment.

A fifth object of the present invention provides a battery module including a battery core, a battery module positioning structure, and a printed circuit unit. The battery module positioning structure allows a power source to charge the battery core from the printed circuit unit. A power stored in the battery cell is discharged from the printed circuit unit.

To achieve the above and other objects, the present invention provides a battery module positioning structure comprising a substrate and a first electrode sheet. The substrate forms a first perforation and a third perforation. The first perforation is spaced apart from the third perforation by a first spacing, and the substrate has a first surface and a second surface. The first electrode sheet is fixed to the substrate. The first electrode sheet has a first terminal, a first body and a third terminal. The first terminal is connected to one end of the first body, and the other end of the first body is connected to the third terminal. Wherein the first terminal is attached to the first surface, and the first The body is attached to the second surface.

To achieve the above and other objects, the present invention provides a battery module including a battery core, a substrate, a plurality of electrode sheets, and a printed circuit unit. The battery core forms a first electrical end and a second electrical end. The battery cell is used to store and release charge. The first electrical end and the second electrical end are configured to receive and release the opposite polarity of the charge. The substrate covers the battery cell. The substrate forms a first perforation and a third perforation. The first through hole is spaced apart from the third through hole by a first distance, and the substrate has a first surface and a second surface, and the battery cell is in contact with the second surface. A plurality of electrode sheets are fixed to the substrate. Each of the electrode sheets has a first terminal, a body and a third terminal. The first terminal is connected to one end of the body, and the other end of the body is connected to the third terminal. The electrode pads are spaced apart by a second spacing. The printed circuit unit has a first contact and a second contact. The first contact is connected to the first electrical end, and the second contact is connected to the first terminal of each of the electrode sheets. The third terminal is connected to the second electrical end, and the electric charge of the second electrical end is guided to the first terminal via the third terminal and the body.

Compared with the prior art, the battery module positioning structure of the present invention can quickly position the electrode outside the battery core, and combine the electrode and the battery core by a simple assembly method to make a battery. Module.

10, 10'‧‧‧ battery module positioning structure

12, 34‧‧‧Substrate

122, 346‧‧‧ first surface

124, 348‧‧‧ second surface

126, 342‧‧‧ first perforation

128, 344‧‧‧ third perforation

14, 36‧‧‧ first electrode

142, 362‧‧‧ first terminal

1422‧‧‧First protrusion

144‧‧‧ first ontology

146, 366‧‧‧ third terminal

1462, 3662‧‧‧ Third protrusion

16, 38‧‧‧Second electrode

18, 40‧‧‧ third electrode

20, 42‧‧‧ fourth electrode sheet

22, 44‧‧‧ fifth electrode

30‧‧‧ battery module

32‧‧‧ battery core

322‧‧‧First electrical end

324‧‧‧second electrical end

364‧‧‧ Ontology

46‧‧‧Printed circuit unit

462‧‧‧ first contact

464‧‧‧second junction

D1‧‧‧first spacing

D2‧‧‧second spacing

Θ‧‧‧角角

1 is a schematic structural view of a positioning structure of a battery module according to a first embodiment of the present invention.

FIG. 2 is a schematic view showing the combination of the substrate and the first electrode sheet of FIG.

3 is a schematic structural view of a positioning structure of a battery module according to a second embodiment of the present invention.

4 is a schematic structural view of a battery module according to an embodiment of the present invention.

In order to fully understand the objects, features and advantages of the present invention, the present invention will be described in detail by the following specific embodiments and the accompanying drawings.

Please refer to FIG. 1 , which is a structural schematic diagram of a battery module positioning structure according to a first embodiment of the present invention. In FIG. 1 , the battery module positioning structure 10 includes a substrate 12 and a first electrode sheet 14 .

The substrate 12 has the characteristics of flexibility and insulation, and can achieve electrical isolation, curling and bending, etc., for example, the material of the substrate can be Mylar or Kapton. In the present embodiment, the substrate 12 is a rectangular sheet-like body having a first surface 122 and a second surface 124.

The substrate 12 forms a first through hole 126 and a third through hole 128 in the X-axis direction. In this embodiment, the shape of the first through hole 126 and the third through hole 128 is illustrated by a circular perforation. Furthermore, the first through hole 126 and the third through hole 128 are spaced apart by a first interval D1.

The first electrode sheet 14 has an electrically conductive property, and the electric charge can be moved on the surface of the first electrode sheet 14 to form a charging current (not shown) or a discharging current (not shown). The first electrode sheet 14 includes a first terminal 142, a first body 144 and a third terminal 146. The first terminal 142, the first body 144 and the third terminal 146 may be integrally formed or segmented. This embodiment is described by taking an integral molding as an example. The first terminal 142 is connected to one end of the first body 144, and the other end of the first body 144 is connected to the third terminal 146.

A first protrusion 1422 is formed at one end of the first terminal 142 that is not connected to the first body 144, and a third protrusion 1462 is formed at an end of the third terminal 146 that is not connected to the first body 144. It should be noted that, in this embodiment, at the third protrusion 1462 An angle Θ is formed between the third terminal 146 and the third terminal 146. The angle Θ is 90 degrees in the embodiment, that is, the third protrusion 1462 is perpendicular to the third terminal 146.

The first electrode sheet 14 is a long rectangular sheet-like body having a width equal to the aperture of the first through hole 126 and the third through hole 128, and the length of the sheet body is greater than the length of the substrate 12 . By selecting the width, it can be determined that the sheet body can be interspersed between the first through hole 126 and the third through hole 128; and, by selecting the length, the sheet body can be determined to allow the first protrusion At least one of the portion 1422 and the third protrusion 1462 protrudes from the edge of the substrate 12. In other embodiments, the width of the sheet may be smaller than the aperture of the first through hole 126 and the third through hole 128.

Referring to FIG. 2 together, a schematic diagram of the bonding of the substrate 12 and the first electrode sheet 14 is shown. In FIG. 1 , the first terminal end 142 of the first electrode sheet 14 is inserted from the third through hole 128 of the first surface 122 of the substrate 12 , and the first terminal end 142 is accessed by the first surface 122 . Second surface 124. Then, the first terminal 142 is inserted from the first through hole 126 of the second surface 124, and the first terminal 142 is returned to the first surface 122 again until the third protrusion of the first terminal 142. The portion 1462 protrudes from the edge, and the first terminal 142 is attached to the first surface 122. The first body 144 and the third terminal 146 are attached to the second surface 124 and the third terminal 146 is attached to the first surface 122.

Since the first electrode sheets 14 are respectively attached to the first surface 122 and the second surface 124, the first electrode sheets 14 are caused by mutual forces on the two surfaces 122, 124 of the substrate 12. Positioning and clamping on the substrate 12.

Please refer to FIG. 3, which is a positioning structure of a battery module according to a second embodiment of the present invention. Schematic. In FIG. 3, the battery module positioning structure 10' includes the substrate 12 and the first electrode sheet 14 of the first embodiment, and further includes a second electrode sheet 16, a third electrode sheet 18, and a fourth electrode sheet. 20 and fifth electrode sheet 22.

The substrate 12 forms a plurality of first through holes 126 and a plurality of third through holes 128 in the X-axis direction.

According to the first embodiment, the manner in which the first electrode sheet 14 and the base material 12 are combined is also applied to the electrode sheets 16-22 in the same manner. Therefore, the electrode sheets 16-22 are also combined with the first electrode sheet 14 to the substrate 12. It should be noted that in the present embodiment, the electrode sheets 14-22 are evenly spaced apart from each other by the second pitch D2; however, the average interval is not a necessary condition.

In the present embodiment, the electrode sheets 14-22 are applied to a battery core (not shown). The electrode sheets 14-22 may have various advantages, such as increasing the charge, compared to the embodiment of the single electrode sheet. The amount of flow, at a single current, the electrodes 14-22 can dissipate the charge flow to reduce the accumulation of thermal energy and to address the inability to conduct charge due to single electrode failure. By evenly distributing the electrode sheets 14-22, in addition to the disadvantage of causing partial damage of the electrode sheets 14-22 due to collision, the heat energy can be evenly dispersed.

It should be noted that, in this embodiment, the number of the electrode sheets 14-22 is exemplified by five. In other embodiments, the number of the electrode sheets may be lower than five or higher than five. .

Please refer to FIG. 4 , which is a structural diagram of a battery module according to an embodiment of the present invention. In FIG. 4, the battery module 30 includes a battery core 32, a substrate 34, a first electrode sheet 36, a second electrode sheet 38, a third electrode sheet 40, a fourth electrode sheet 42 and a fifth electrode sheet 44, and printing. Circuit list Yuan 46.

The battery cell 32 has a characteristic of storing and discharging electric charges, for example, the battery cell 32 is a primary battery or a secondary battery. The battery core 32 forms a first electrical end 322 and a second electrical end 324. The first electrical end 322 and the second electrical end 324 are capable of receiving and releasing the opposite polarity of the charge.

The characteristics of the substrate 34 are as described in the foregoing first embodiment. The substrate 34 covers the battery core 32. The substrate 34 forms a first perforation 342 and a third perforation 344. The first through hole 342 and the third through hole 344 are spaced apart from each other by a first interval D1, and the substrate 34 has a first surface 346 and a second surface 348.

In this embodiment, the battery cell 32 is in contact with the second surface 348. In addition to the flexibility of the substrate 34, the insulation of the substrate 34 can block the electric charge in the battery cell 32 from leaking to the outside through the substrate 34, in particular, the battery module 30 is packaged. In a casing (not shown), the user's fear of touching the casing and electric shock can be avoided.

The electrode sheets 36-44 are fixed to the substrate 34. Taking the first electrode sheet 36 as an example, the first electrode sheet 36 has a first terminal 362, a body 364 and a third terminal 366. The first terminal 362 is connected to one end of the body 364, and the other end of the body 364 is connected to the third terminal 366. By analogy, the description of the first electrode sheet 36 can be applied to the remaining electrode sheets 38-44. Further, the electrode sheets 36-44 are spaced apart by a second pitch D2.

The printed circuit unit 46 has a first contact 462 and a second contact 464 whose primary purpose is to output charge or to receive charge from the outside. The first contact 462 is connected to the first electrical terminal 322, and the second contact 464 is connected to, for example, all of the first terminals 362 that connect the electrode pads 38-44.

Taking the first electrode piece 38 as an example, the shape of the third terminal 366 is L-shaped, and the third protruding portion 3662 of the third terminal 366 is connected to the second electrical end 324 by contact, so that the second electrode The charge of the electrical terminal 324 is directed to the first terminal 362 via the third terminal 366 and the body 364.

The invention has been described above in terms of the preferred embodiments, and it should be understood by those skilled in the art that the present invention is not intended to limit the scope of the invention. It should be noted that variations and permutations equivalent to those of the embodiments are intended to be included within the scope of the present invention. Therefore, the scope of protection of the present invention is defined by the scope of the patent application.

10‧‧‧Battery module positioning structure

12‧‧‧Substrate

122‧‧‧ first surface

124‧‧‧ second surface

126‧‧‧First perforation

128‧‧‧ third perforation

14‧‧‧First electrode sheet

142‧‧‧ first terminal

1422‧‧‧First protrusion

144‧‧‧ first ontology

146‧‧‧ third terminal

1462‧‧‧3rd protrusion

D1‧‧‧first spacing

Θ‧‧‧角角

Claims (10)

A battery module positioning structure includes: a substrate forming a first through hole and a third through hole, a first spacing between the first through hole and the third through hole, and the substrate having a first surface and a second surface And the first electrode sheet is fixed on the substrate, the first electrode sheet has a first terminal, a first body and a third terminal, the first terminal is connected to one end of the first body, and the first body The other end is connected to the third terminal; wherein the first terminal is attached to the first surface, and the first body is attached to the second surface. The battery module positioning structure of claim 1, wherein the third terminal is attached to the first surface. The battery module positioning structure according to claim 1, wherein the substrate is made of a flexible and insulating material, and is electrically isolated, crimped, and bent. The battery module positioning structure according to claim 3, wherein the substrate is made of Mylar or Kapton. The battery module positioning structure of claim 1, wherein the first through hole and the third through hole have a diameter not less than a width of the electrode sheet. The battery module positioning structure of claim 1, wherein the length of the electrode sheet is not less than a length or a width of the substrate. The battery module positioning structure of claim 1, wherein the first protrusion of the first terminal of the electrode sheet and the third protrusion of the third terminal protrude from the edge of the substrate respectively At the office. The battery module positioning structure of claim 7, wherein the third protrusion forms an angle with the third terminal. The battery module positioning structure of claim 1, further comprising a second electrode sheet fixed to the substrate, the second electrode sheet being spaced apart from the first electrode sheet by a second spacing. A battery module comprising: a battery core, forming a first electrical end and a second electrical end, the battery core for storing and discharging electric charge, wherein the first electrical end and the second electrical end are for receiving and releasing a substrate of opposite polarity; the substrate is coated with the battery core, the substrate forms a first through hole and a third through hole, the first through hole is spaced apart from the third through hole by a first pitch, and the substrate has a first a surface and a second surface, the battery core is in contact with the second surface; a plurality of electrode sheets are fixed on the substrate, each of the electrode sheets having a first terminal, a body and a third terminal, wherein the first terminal is connected One end of the body, and the other end of the body is connected to the third terminal, the electrode pads are separated by a second spacing; and the printed circuit unit has a first contact and a second contact, and the first contact is connected The first electrical end, and the second contact is connected to the first terminal of each of the electrode sheets; The third terminal is connected to the second electrical end, and the electric charge of the second electrical end is led to the first terminal via the third terminal and the body.