Battery assembly structure and sound equipment

Abstract

The utility model discloses a battery assembly structure and sound equipment, the battery assembly structure comprises a fixing module, the fixing module comprises two supports used for sleeving the two ends of a battery cell respectively, each support comprises a battery cell plugging groove, a first end wall and a second end wall, the first end wall and the second end wall are oppositely arranged, and a plugging port of the battery cell plugging groove is formed in the first end wall; a plurality of first extension arms and a plurality of second extension arms protrude from the first end walls of the two brackets in the direction far away from the first end walls, first buckling parts are formed at the tail ends of the first extension arms, second buckling parts are formed at the tail ends of the second extension arms, and the first buckling parts and the second buckling parts are correspondingly buckled so as to position the battery cells between the two brackets; the battery cell is positioned by utilizing the first buckling parts and the second buckling parts of the two brackets, and fasteners such as screws and the like are not needed to assemble the battery, so that the screws for fixing the bracket lock are saved, and the manufacturing cost is relatively low.

Description

Technical Field

[0001] The present technology relates to the field of batteries, and in particular to battery assembly structures and audio equipment. Background Art

[0002] The connections between the cells and modules of existing batteries are fixed by bracket locking screws, connected in series and parallel by nickel sheets and welding wires, and the collection lines (such as the collection lines of temperature sensors) are connected by soldering. The manufacturing cost is high, the product assembly process is complex, the safety risk is greater, and the overall product appears rough and messy. Utility Model Content

[0003] The present application aims to provide a battery assembly structure and audio equipment that can solve the technical problem that the connection between battery cells and modules is fixed by bracket locking screws, which results in high manufacturing costs.

[0004] To achieve the above-mentioned purpose, the present application provides a battery assembly structure for assembling battery cells, including a fixed module, the fixed module including two brackets respectively used to be sleeved on both ends of the battery cell; each of the brackets includes a first end wall and a second end wall and a battery cell plug-in slot arranged opposite to each other, the plug-in interface of the battery cell plug-in slot is formed on the first end wall, and the first end walls of the two brackets respectively protrude a plurality of first extension arms and a plurality of second extension arms in a direction away from the first end wall, the end of the first extension arm forms a first snap portion, and the end of the second extension arm forms a second snap portion, and each first snap portion and each second snap portion are correspondingly engaged to position each battery cell between the two brackets.

[0005] The battery assembly structure of the embodiment of the present application includes a fixed module, which includes two brackets respectively used to be mounted on both ends of the battery cell, each bracket including a battery cell insertion slot and a first end wall and a second end wall arranged opposite to each other, the plug interface of the battery cell insertion slot is formed on the first end wall, and the first end walls of the two brackets respectively protrude a plurality of first extension arms and a plurality of second extension arms in a direction away from the first end wall, the end of the first extension arm forms a first snap portion, and the end of the second extension arm forms a second snap portion, each first snap portion and each second snap portion are correspondingly snapped together to position each battery cell between the two brackets, and the battery cell is positioned by using each first snap portion and each second snap portion of the two brackets, without the need to use fasteners such as screws to assemble the battery, thus saving screws for locking the fixed bracket, having a low manufacturing cost, and being conducive to improving assembly efficiency.

[0006] Optionally, the first latch portion includes a latching protrusion extending laterally from the end of the first extension arm, and a first guide slope is formed on the side of the latching protrusion away from the first end wall. The second latch portion includes a latching groove formed on the second extension arm, and a second guide slope is formed on the end surface of the second extension arm. When the two brackets approach each other, the latching protrusion slides along the second guide slope through the first guide slope to the corresponding side wall of the second extension arm, and the first extension arm is squeezed and elastically deformed. When the latching protrusion moves to correspond to the latching groove, the first extension arm is elastically reset and clamped in the latching groove.

[0007] Optionally, the battery cell insertion slot is cylindrical, and adjacent battery cell insertion slots are arranged close to each other. The first end wall forms two opposite trumpet-shaped areas between adjacent battery cell insertion slots, and the first extension arm and the second extension arm extend from the wide part of the trumpet-shaped area.

[0008] Optionally, the battery cell sockets are arranged in a row.

[0009] Optionally, at least one of the first extension arms and / or at least one of the second extension arms is provided with a receiving groove for receiving a temperature sensor.

[0010] Optionally, the second end wall is provided with a mounting groove, the mounting groove is communicated with each of the battery cell plug-in grooves, and the mounting groove is used to assemble a conductive sheet connected to an electrode of each of the battery cells.

[0011] Optionally, one side of the mounting slot is connected to a through slot, and the through slot passes through an edge of the second end wall; the conductive sheet includes a conductive sheet body installed in the mounting slot, and a welding sheet extends from the conductive sheet body, and the welding sheet passes through the through slot and is bent toward the first end wall. An insulating sheet is provided on the side of the conductive sheet facing away from the battery core.

[0012] Optionally, the battery assembly structure further includes a PCB board, the PCB board includes a ring portion, a plurality of convex plate portions extend outwardly from an outer edge of the ring portion at intervals, and each of the convex plate portions is respectively equipped with one of the fixing modules.

[0013] Optionally, one end of the two brackets of the fixed module protrudes out of a PCB board plug-in portion toward one side of the PCB board, and the other end is provided with a mounting table, and the PCB board plug-in portion is provided with a PCB board plug-in slot on the side facing the mounting table; the two sides of the end of the PCB board are respectively plugged into the two PCB board plug-in slots, and the mounting table is attached to the protruding plate portion and fixedly connected by fasteners.

[0014] In order to achieve the above-mentioned purpose, the present application also provides an audio device, including a shell, a sound-emitting device and the above-mentioned battery assembly structure, the side of the bracket facing away from the PCB board and the sound-emitting device are fixed to one side of the shell, and the ring portion is arranged corresponding to the sound-emitting device.

[0015] The present application installs the battery cells around the sound-generating device through a battery assembly structure, making it convenient for the battery cells to power the sound-generating device and helping to save the cost of connecting wires. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the fixed module according to an embodiment of the present application.

[0017] Figure 2 This is another three-dimensional structural diagram of the fixing module according to an embodiment of the present application.

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the bracket according to the embodiment of the present application.

[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of another bracket according to an embodiment of the present application.

[0020] Figure 5 for Figure 1 Sectional view along line AA.

[0021] Figure 6 This is a schematic diagram of the decomposed structure of the fixed module according to an embodiment of the present application.

[0022] Figure 7 This is a schematic diagram of the three-dimensional structure of the battery assembly structure of an embodiment of the present application.

[0023] Figure 8 This is a schematic diagram of the three-dimensional structure of the audio device according to an embodiment of the present application, wherein structures such as the housing are not shown.

[0024] Figure 9 for Figure 6 Enlarged view of part B in the middle. DETAILED DESCRIPTION

[0025] In order to explain the technical content, structural features, achieved objectives and effects of this application in detail, the following is a detailed description in conjunction with the implementation methods and the accompanying drawings.

[0026] See also Figures 1 to 4The embodiment of the present application discloses a battery assembly structure 100 for assembling battery cells 200, including a fixed module 1. The fixed module 1 includes two brackets 2 for respectively sleeved on both ends of the battery cell 200. Each bracket 2 includes a battery cell insertion slot 23 and a first end wall 21 and a second end wall 22 arranged opposite each other. The insertion interface of the battery cell insertion slot 23 is formed on the first end wall 21. The first end walls 21 of the two brackets 2 respectively extend a plurality of first extension arms 24 and a plurality of second extension arms 25 in a direction away from the first end wall 21. The ends of the first extension arms 24 form a first snap portion 241, and the ends of the second extension arms 25 form a second snap portion 251. Each first snap portion 241 and each second snap portion 251 correspondingly engage to position each battery cell 200 between the two brackets 2. It is understood that the battery cell insertion slot 23 can be configured as a cylinder, a rectangular parallelepiped, etc. according to the shape of the two ends of the battery cell 200.

[0027] The embodiment of the present application includes a fixed module 1, which includes two brackets 2 for being respectively mounted on both ends of the battery cell 200, each bracket 2 including a battery cell insertion slot 23 and a first end wall 21 and a second end wall 22 arranged opposite to each other, the plug interface of the battery cell insertion slot 23 is formed on the first end wall 21, the first end walls 21 of the two brackets 2 respectively protrude a plurality of first extension arms 24 and a plurality of second extension arms 25 in a direction away from the first end wall 21, the end of the first extension arm 24 forms a first snap portion 241, and the end of the second extension arm 25 forms a second snap portion 251, each first snap portion 241 and each second snap portion 251 correspondingly snap together to position each battery cell 200 between the two brackets 2, and the battery cell 200 is positioned by using each first snap portion 241 and each second snap portion 251 of the two brackets 2, without the need to use fasteners such as screws to assemble the battery, saving screws for locking the fixed bracket 2, and having a low manufacturing cost.

[0028] See also Figures 3 to 6 In some embodiments, the first latch portion 241 includes a latch protrusion 242 extending laterally from the end of the first extension arm 24. A first guide slope 243 is formed on the side of the latch protrusion 242 away from the first end wall 21. The second latch portion 251 includes a slot 252 formed on the second extension arm 25. A second guide slope 253 is formed on the end surface of the second extension arm 25. When the two brackets 2 approach each other, the latch protrusion 242 slides along the first guide slope 243 and the second guide slope 253 to the corresponding side wall of the second extension arm 25. The first extension arm 24 is squeezed and elastically deformed. When the latch protrusion 242 moves to correspond with the slot 252, the first extension arm 24 elastically returns to its original position, and the latch protrusion 242 is locked in the slot 252. The provision of the first guide slope 243 and the second guide slope 253 facilitates the assembly of the latch protrusion 242 and the slot 252.

[0029] See also Figure 3 and Figure 4In some embodiments, the battery cell 200 is cylindrical, and the battery cell insertion slot 23 is also correspondingly set to a cylindrical shape. Adjacent battery cell insertion slots 23 are arranged close to each other, and the first end wall 21 forms two opposing trumpet-shaped areas 231 between adjacent battery cell insertion slots 23. The first extension arm 24 and the second extension arm 25 extend from the wide part of the trumpet-shaped area 231, which is beneficial to reducing the occupied space of the battery assembly structure 100.

[0030] Optionally, the battery cell insertion slots 23 are arranged in a row.

[0031] See also Figure 2 In some embodiments, at least one first extension arm 24 and / or at least one second extension arm 25 is provided with a receiving groove 26 for accommodating a temperature sensor 4 (such as an NTC sensor), which can further improve the space utilization of the battery assembly structure 100.

[0032] Specifically, the temperature sensor 4 can be fixed in the receiving groove 26 by gluing.

[0033] See also Figures 3 to 6 In some embodiments, the second end wall 22 is provided with a mounting groove 221 , which is connected to each battery cell plug-in groove 23 , and the mounting groove 221 is used to assemble a conductive sheet 3 connected to the electrode of each battery cell 200 .

[0034] Specifically, a through slot 222 is connected to one side of the mounting slot 221, and the through slot 222 passes through an edge of the second end wall 22. The conductive sheet 3 includes a conductive sheet body 31 mounted in the mounting slot 221, and a welding sheet 32 ​​extends from the conductive sheet body 31. The welding sheet 32 ​​passes through the through slot 222 and bends toward the first end wall 21. An insulating sheet 5 is provided on the side of the conductive sheet 3 facing away from the battery cell 200. The electrical device can be electrically connected to the battery cell 200 through the welding sheet 32, and the insulating sheet 5 can avoid accidents such as short circuits caused by direct connection with other devices. Furthermore, the insulating sheet 5 includes an insulating sheet body 51 and a protrusion 52. The insulating sheet body 51 and the protrusion 52 are respectively arranged in the mounting slot 221 and the through slot 222 and correspondingly shield the conductive sheet body 31 and the welding sheet 32.

[0035] See also Figure 7 In some embodiments, the battery assembly structure 100 further includes a PCB board 6, which includes a ring portion 61. A plurality of convex plate portions 62 extend outward from the outer edge of the ring portion 61 at intervals. Each convex plate portion 62 is respectively equipped with a fixed module 1. The through hole 611 surrounded by the ring portion 61 is used to correspond to the sound-generating device of the audio equipment.

[0036] Please combine Figures 2 to 4 and Figure 7Specifically, the two brackets 2 of the fixed module 1 have one end facing the PCB board 6 and a protruding PCB board insertion portion 271. The other end is provided with a mounting surface 272. The PCB board insertion portion 271 has a PCB board insertion slot 273 on the side facing the mounting surface 272. The two sides of the end of the PCB board 6 are respectively inserted into the two PCB board insertion slots 273. The mounting surface 272 is attached to the protruding plate portion 62 and fixedly connected by fasteners 63. The fasteners 63 can be screws.

[0037] More specifically, the battery cell 200 is cylindrical, and the battery cell insertion slot 23 is also correspondingly set to be cylindrical. Adjacent battery cell insertion slots 23 are set close to each other, and the first end wall 21 forms two opposite trumpet-shaped areas 231 between adjacent battery cell insertion slots 23, and the mounting table 272 is set in the wide part of the trumpet-shaped area 231.

[0038] See also Figure 6 and Figure 7 Specifically, the second end wall 22 defines a mounting slot 221 that communicates with each battery cell insertion slot 23. The mounting slot 221 is used to mount a conductive sheet 3 connected to the electrodes of each battery cell 200. More specifically, a through slot 222 is connected to one side of the mounting slot 221, and the through slot 222 extends through an edge of the second end wall 22. The conductive sheet 3 includes a conductive sheet body 31 mounted in the mounting slot 221. A welding sheet 32 ​​extends from the conductive sheet body 31. The welding sheet 32 ​​passes through the through slot 222 and is bent and welded to the side of the PCB board 6 facing away from the bracket 2. An insulating sheet 5 is provided on the side of the conductive sheet 3 facing away from the battery cell 200.

[0039] See also Figure 2 and Figure 7 Specifically, at least one first extension arm 24 and / or at least one second extension arm 25 defines a receiving slot 26 for accommodating a temperature sensor 4 (e.g., an NTC sensor), further improving the space utilization of the battery assembly structure 100. The side of the PCB 6 facing away from the bracket 2 is provided with a plug-in port 64 corresponding to the temperature sensor 4. Connecting the temperature sensor 4 to the plug-in port 64 reduces the use of solder for the temperature sensor 4's data acquisition cable, saving costs.

[0040] See also Figure 7 Specifically, each convex plate portion 62 is rotationally symmetrical about the center of the ring portion 61 .

[0041] Optionally, the number of the protruding plate portions 62 is three, so that the PCB board 6 as a whole roughly presents a regular triangle structure, giving users a visual effect that the PCB board 6 has stability.

[0042] See also Figure 8The present application also discloses an audio device, including a shell (not shown), a sound-emitting device 300 and the above-mentioned battery assembly structure 100. The side of the bracket 2 facing away from the PCB board 6 and the sound-emitting device 300 are fixed to one side of the shell, and the through hole 611 surrounded by the ring portion 61 corresponds to the sound-emitting device 300.

[0043] The battery cells 200 are installed around the sound-generating device 300 through the battery assembly structure 100 , which facilitates the battery cells 200 to power the sound-generating device 300 and saves the cost of connecting wires.

[0044] See also Figure 9 In some embodiments, a column 7 protrudes from one side of the two brackets 2 facing away from the PCB board 6, and a screw hole 71 is formed on the column 7 for screws to fix the battery assembly structure 100 to the housing of the audio device.

[0045] The above disclosure is only a preferred example of the present application and cannot be used to limit the scope of rights of the present application. Therefore, equivalent changes made according to the claims of the present application are all within the scope covered by the present application.

Claims

1. A battery assembly structure, characterized in that: It includes a fixed module, which includes two brackets respectively used to be mounted on both ends of the battery cell; each bracket includes a battery cell plug-in slot and a first end wall and a second end wall arranged opposite to each other, the plug-in interface of the battery cell plug-in slot is formed on the first end wall, and the first end walls of the two brackets respectively protrude a plurality of first extension arms and a plurality of second extension arms in a direction away from the first end wall, the end of the first extension arm forms a first snap portion, and the end of the second extension arm forms a second snap portion, and each first snap portion and each second snap portion are correspondingly engaged to position each battery cell between the two brackets.

2. The battery assembly structure according to claim 1, wherein: The first latch portion includes a latching protrusion extending laterally from the end of the first extension arm, and a first guide slope is formed on the side of the latching protrusion away from the first end wall. The second latch portion includes a latching groove formed on the second extension arm, and a second guide slope is formed on the end surface of the second extension arm. When the two brackets approach each other, the latching protrusion slides along the second guide slope through the first guide slope to the corresponding side wall of the second extension arm, and the first extension arm is squeezed and elastically deformed. When the latching protrusion moves to correspond to the latching groove, the first extension arm is elastically reset, and the latching protrusion is locked in the latching groove.

3. The battery assembly structure according to claim 1, wherein: The battery cell insertion slots are cylindrical, and adjacent battery cell insertion slots are arranged close to each other. The first end wall forms two opposite trumpet-shaped areas between adjacent battery cell insertion slots, and the first extension arm and the second extension arm extend from the wide part of the trumpet-shaped areas.

4. The battery assembly structure according to any one of claims 1 to 3, wherein: The battery core insertion slots are arranged in a row.

5. The battery assembly structure according to claim 1, wherein: At least one of the first extension arms and / or at least one of the second extension arms is provided with an accommodating groove for accommodating a temperature sensor.

6. The battery assembly structure according to claim 1, wherein: The second end wall is provided with a mounting groove, the mounting groove is communicated with each of the battery core plug-in grooves, and the mounting groove is used for assembling a conductive sheet connected to an electrode of each of the battery cores.

7. The battery assembly structure according to claim 6, wherein: A through slot is connected to one side of the mounting slot, and the through slot passes through an edge of the second end wall; the conductive sheet includes a conductive sheet body installed in the mounting slot, and a welding sheet extends from the conductive sheet body. The welding sheet passes through the through slot and is bent toward the first end wall. An insulating sheet is provided on the side of the conductive sheet facing away from the battery core.

8. The battery assembly structure according to claim 1, wherein: It also includes a PCB board, which includes a ring portion, and a plurality of convex plate portions extend outward at intervals from the outer edge of the ring portion. Each of the convex plate portions is respectively equipped with a fixed module, and the through hole surrounded by the ring portion is used to correspond to the sound-generating device of the audio equipment.

9. The battery assembly structure according to claim 8, wherein: One end of the two brackets of the fixed module faces the side of the PCB board and protrudes out from the PCB board plug-in portion, and the other end is provided with a mounting table, and the PCB board plug-in portion faces the side of the mounting table and is provided with a PCB board plug-in slot; the two sides of the end of the protruding plate portion are respectively plugged into the two PCB board plug-in slots, and the mounting table is attached to the protruding plate portion and fixedly connected by fasteners.

10. An audio device, characterized in that: It comprises a shell, a sound-generating device and a battery assembly structure as claimed in claim 8 or 9, wherein the side of the bracket facing away from the PCB board and the sound-generating device are fixed to one side of the shell, and the through hole surrounded by the ring portion corresponds to the sound-generating device.

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