CN220043753U - Flat cable circuit board and battery suitable for built-in battery connection of multi-type mobile phone - Google Patents
Flat cable circuit board and battery suitable for built-in battery connection of multi-type mobile phone Download PDFInfo
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- CN220043753U CN220043753U CN202321493115.XU CN202321493115U CN220043753U CN 220043753 U CN220043753 U CN 220043753U CN 202321493115 U CN202321493115 U CN 202321493115U CN 220043753 U CN220043753 U CN 220043753U
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- 238000003466 welding Methods 0.000 claims abstract description 27
- 238000005476 soldering Methods 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000013519 translation Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 5
- 230000006978 adaptation Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a flat cable circuit board and a battery suitable for connecting built-in batteries of multiple mobile phones. According to the utility model, the flexible design aiming at the connection main board is adopted, so that the flexible cross translation can be carried out, the flexible cross translation is compatible with the welding requirements of BMS protection boards with various specifications, and therefore, the flexible cross translation can be used in a multi-model adaptation manner during after-sales maintenance of the mobile phone, stock of the multi-specification model is avoided, and the maintenance efficiency and the inventory cost are improved; meanwhile, the through hole design of the first bonding pad can enable tin after hot melting to flow into the bottom plate surface when being welded with the protection plate, and tin can fill a gap between the first bonding pad and the welding surface of the protection plate, so that the stability is improved, and the tin amount stacking is reduced under the same welding stability requirement; in addition, the outwards-protruding laser welding points with the number of 8 are adopted, and are uniformly distributed in double rows, so that the structure firmness is good, the high-current work is stable, and the heat dissipation is better.
Description
Technical Field
The utility model relates to the technical field of after-sale maintenance of mobile phone batteries, in particular to a flat cable circuit board and a battery suitable for connection of built-in batteries of multiple mobile phones.
Background
Along with the continuous development of technology, the model number of the android mobile phone used in the global stock exceeds 3000, and the built-in batteries matched with the android mobile phone are also various in model number. The technical scheme of the prior battery is that the battery is composed of battery cores and BMS protection plates in one-to-one correspondence, and the battery cores and the BMS protection plates are connected directly or by adopting a flat cable plate because the battery cores and the BMS protection plates are matched in type. Therefore, when the mobile phone is in after-sales maintenance, because the welding spot positions among the BMS protection plates are limited, the batteries corresponding to the welding spots of the BMS protection plates are required to be found for replacement, so that various battery products SKU in the mobile phone after-sales maintenance market are caused, and various problems of high inventory, low efficiency, large waste, large occupation of funds and the like are caused by multiple links of product development, material preparation, production, sales and application.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a flat cable circuit board and a battery suitable for connecting built-in batteries of multi-model mobile phones.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a winding displacement circuit board suitable for built-in battery of polytypic cell-phone links up, includes the connection mainboard that can carry out power transmission and sets up the positive negative electrode lug of battery on mobile phone battery, the both ends of linking the mainboard are provided with first pad and second pad respectively, the connection mainboard is flexible, acts on at external force on the connection mainboard, relies on the flexibility that has, the position and the orientation of first pad and second pad on the connection mainboard all can change, make it satisfy the battery of the compatible different positive negative electrode welding point positions of BMS protection shield of the compatible different welded position of first pad, the compatible different positive negative electrode welding point of second pad.
Preferably, the connection main board is a flexible circuit board capable of being bent.
Preferably, through holes are uniformly distributed on the first bonding pad by the connecting main board.
Preferably, the battery positive and negative electrode soldering lug is provided with outwards-protruding laser soldering points, the number of the laser soldering points is 8, the battery positive and negative electrode soldering lug is divided into two rows, and the number of the laser soldering points in each row is 4.
Preferably, the connecting main board is provided with turning parts at the first bonding pad and the second bonding pad.
The battery comprises a battery body provided with the positive electrode and negative electrode soldering lug, wherein the rated capacity of the battery body is 2950mah-5150mah, the positive and negative difference value is 300mah, the length of the battery body is 68mm-87mm, the positive and negative difference value is 3mm, the width of the battery body is 58mm-65mm, the positive and negative difference value is 2mm, and the thickness of the battery body is 3.8mm-5.2mm, and the positive and negative difference value is 0.3mm.
Due to the adoption of the scheme, the flexible design of the connection main board is adopted, so that the flexible cross translation can be carried out, the flexible cross translation is compatible with the welding requirements of BMS protection boards of various specifications, the flexible cross translation can be used in a multi-model adaptation mode when the mobile phone is maintained after sale, stock of the multi-specification models is saved, and the high efficiency and the stock cost of the maintenance are improved; meanwhile, the through hole design of the first bonding pad can enable tin after hot melting to flow into the bottom plate surface when being welded with the protection plate, and tin can fill a gap between the first bonding pad and the welding surface of the protection plate, so that the stability is improved, and the tin amount stacking is reduced under the same welding stability requirement; in addition, the outwards-protruding laser welding points with the number of 8 are adopted, and are uniformly distributed in double rows, so that the structure firmness is good, the high-current work is stable, and the heat dissipation is better.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of the integrated structure according to the embodiment of the present utility model.
Fig. 3 is a schematic structural diagram of a connection motherboard according to an embodiment of the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. Either mechanically or electrically. Can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 to 3, the flat cable circuit board suitable for connection of built-in batteries of multi-model mobile phones provided by this embodiment comprises a connection main board 1 capable of carrying out power transmission and battery anode and cathode soldering lugs 2 arranged on mobile phone batteries, wherein a first soldering pad 11 and a second soldering pad 12 are respectively arranged at two ends of the connection main board 1, the connection main board 1 is flexible, external force acts on the connection main board 1, and the directions and orientations of the first soldering pad 11 and the second soldering pad 12 on the connection main board 1 can be changed by virtue of the flexibility, so that the battery can meet the requirements of BMS 100 with the first soldering pad 11 compatible with different soldering positions and BMS with the second soldering pad 11 compatible with batteries with different anode and cathode soldering points.
The main design of this embodiment is with linking mainboard 1 to set up into the flexible body that can carry out cross folding to according to the welding point difference of different BMS protection shield 100, can fold or turn over, perhaps push, so can make its welding requirement of compatible multiple specification BMS protection shield 100, thereby when the maintenance after the cell-phone is sold, can carry out the adaptation of multiple model and use, remove the stock of multiple specification model from, promote the high efficiency and the stock cost of maintenance.
Further, specific materials for the connection main board 1 are selected, and the connection main board 1 in this embodiment is a flexible circuit board capable of being bent.
Further, in order to improve the soldering effect, the through holes 13 are uniformly arranged on the first bonding pad 11 of the connection motherboard 1 in this embodiment, and the through holes 13 are used for soldering, when soldering is performed, the first bonding pad 11 is attached to the soldering point 101 of the protection board 100, a gap remains between the bottom surface of the first bonding pad 11 and the soldering point 101 of the protection board 100, then tin is abutted against the through holes, and then hot-melt soldering is performed, so that the molten tin enters the through holes 13 and flows into the gap at the bottom, and thus, only the through holes 13 need to be filled with tin, namely, the gap is filled, so that the stability is improved, and the tin amount is reduced to be stacked under the same welding stability requirement.
Further, for the welding between the batteries, so the positive electrode lug 2 of the battery of this embodiment is provided with the outwards protruding laser welding points 21, the number of the laser welding points is 8, and divide into two rows and arrange, and the number of the laser welding points of each row is 4, adopts outwards protruding and 8 laser welding points 21 of quantity like this, evenly arranges in the double row, can reach that the sound construction nature is good, heavy current job stabilization, and the heat dissipation will also be better.
Further, for convenience, practicality and narrow space, and be applicable to the connection between the connection mainboard 1 and battery and protection shield, so this embodiment the connection mainboard 1 is located first pad 11 and second pad 12 department and all is provided with turn portion 14. The first pad 11 and the second pad 12 can be made to face up and down with the corresponding battery and protection board by means of the turning portion 14.
In addition, the embodiment provides a battery, which comprises a battery body 200 provided with the positive and negative electrode tabs 2, wherein the rated capacity of the battery body 200 is 2950mah-5150mah, the positive and negative difference is 300mah, the length of the battery body 200 is 68mm-87mm, the positive and negative difference is 3mm, the width of the battery body is 58mm-65mm, the positive and negative difference is 2mm, and the thickness of the battery body 200 is 3.8mm-5.2mm, and the positive and negative difference is 0.3mm. And custom specifications for a particular battery may be presented in the table below.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (6)
1. The utility model provides a winding displacement circuit board suitable for connection of many types of cell-phones built-in battery which characterized in that: including can carrying out power transmission's linking mainboard and set up the battery positive and negative electrode lug on mobile phone batteries, the both ends of linking mainboard are provided with first pad and second pad respectively, linking mainboard is flexible, acts on at external force on linking mainboard, relies on the flexibility that has, the position and the orientation of first pad and second pad on the linking mainboard all can change, make it satisfy the battery of the compatible different positive and negative electrode welding points of BMS protection shield, the compatible different welding positions of second pad of first pad.
2. The flat cable circuit board for connecting built-in batteries of a multi-type mobile phone according to claim 1, wherein: the connecting main board is a flexible circuit board capable of being bent.
3. The flat cable circuit board for connecting built-in batteries of a multi-type mobile phone according to claim 2, wherein: and through holes are uniformly distributed on the first bonding pad by the connecting main board.
4. A flat cable circuit board for connecting built-in batteries of a multi-type mobile phone as set forth in claim 3, wherein: the battery positive and negative electrode welding pieces are provided with outwards-protruding laser welding points, the number of the laser welding points is 8, the battery positive and negative electrode welding pieces are divided into two rows, and the number of the laser welding points in each row is 4.
5. The flat cable circuit board for connecting built-in batteries of a multi-size mobile phone according to claim 4, wherein: and turning parts are arranged at the positions of the first bonding pad and the second bonding pad of the connecting main board.
6. A battery, characterized in that: the battery comprises a battery body provided with the battery anode and cathode soldering lug as claimed in any one of claims 1-5, wherein the rated capacity of the battery body is 2950mah-5150mah, the positive and negative difference value is 300mah, the length of the battery body is 68mm-87mm, the positive and negative difference value is 3mm, the width of the battery body is 58mm-65mm, the positive and negative difference value is 2mm, and the thickness of the battery body is 3.8mm-5.2mm, and the positive and negative difference value is 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321493115.XU CN220043753U (en) | 2023-06-13 | 2023-06-13 | Flat cable circuit board and battery suitable for built-in battery connection of multi-type mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321493115.XU CN220043753U (en) | 2023-06-13 | 2023-06-13 | Flat cable circuit board and battery suitable for built-in battery connection of multi-type mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220043753U true CN220043753U (en) | 2023-11-17 |
Family
ID=88720063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321493115.XU Active CN220043753U (en) | 2023-06-13 | 2023-06-13 | Flat cable circuit board and battery suitable for built-in battery connection of multi-type mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220043753U (en) |
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2023
- 2023-06-13 CN CN202321493115.XU patent/CN220043753U/en active Active
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