CN210984882U - Battery protection board, battery pack and terminal equipment - Google Patents
Battery protection board, battery pack and terminal equipment Download PDFInfo
- Publication number
- CN210984882U CN210984882U CN201922207151.5U CN201922207151U CN210984882U CN 210984882 U CN210984882 U CN 210984882U CN 201922207151 U CN201922207151 U CN 201922207151U CN 210984882 U CN210984882 U CN 210984882U
- Authority
- CN
- China
- Prior art keywords
- main body
- body portion
- battery protection
- battery
- supporting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a battery protection shield, battery pack and terminal equipment, terminal equipment for example has battery pack's equipment such as cell-phone, panel computer, wearing equipment. The battery protection board comprises a supporting piece, a flexible circuit board and a protection circuit, the flexible circuit board comprises a main body and a leading-out portion extending from the main body in a bending mode, the leading-out portion is bent along the width direction of the main body, the protection circuit is arranged on the main body, the supporting piece comprises a first supporting portion supporting the leading-out portion, and the leading-out portion can be arranged in a mode that the first supporting portion moves relatively. In the utility model, the leading-out part is bent and extended from the main body without leading out from the end part, which is beneficial to reducing impedance; in addition, because the flexible circuit board is bent, the wiring is loose, the moving allowance can be left for the electric connector, the electric connector and the mainboard are prevented from falling off when falling or colliding, and the reliability is improved.
Description
Technical Field
The utility model relates to an electronic equipment field especially relates to a battery protection shield, battery pack and terminal equipment.
Background
The battery protection board is an integrated circuit board for protecting the rechargeable battery. At present, most of battery protection boards are hard boards or soft board reinforcing boards, and an electrical connector for connecting to a main board is usually arranged at the end region of an integrated circuit board, so that the design causes overlong lines between the electrical connector and the integrated circuit board, thereby causing impedance increase. If the wire is directly led out at the position of the electric connector, the short circuit can be ensured and the impedance is reduced, but the movable allowance of the electric connector is small due to the manufacturing tolerance and the assembly tolerance, and the electric connector is easy to loose from a main board when falling off, so that the fault is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a reduce battery protection board, battery pack and terminal equipment of impedance and assurance reliability.
The utility model provides a battery protection shield, it includes support piece, flexible circuit board and protection circuit, the flexible circuit board include the main part, certainly the lead-out portion that the main part was buckled and is extended and connect the electric connector of lead-out portion, the lead-out portion is followed the width direction of main part is buckled, protection circuit set up in the main part, support piece is including supporting the first supporting part of lead-out portion.
Further, the main body comprises a first main body part and a second main body part, the second main body part comprises a base part and an extension part connected with the base part, the base part is at least partially aligned with the first main body part in the extending direction of the first main body part, and the extension part protrudes out of the first main body part in the extending direction of the first main body part; the leading-out part is bent from the first main body part, and a gap is formed between the leading-out part and the extending part.
Furthermore, the leading-out part comprises a first section bent from the first main body part and a second section connected with the first section, and the second section can be selectively bent along any straight line which is parallel to the first main body part and is orthogonal to the notch.
Further, the main body includes a first main body portion and a second main body portion, the support member includes a second support portion supporting the first main body portion and the second main body portion, and the second support portion is located between the first main body portion and the second main body portion.
Further, the main body comprises a bending part connecting the first main body part and the second main body part, the bending part is provided with a through hole or an elongated slot, and the first main body part, the bending part and the second main body part are arranged along the circumferential direction of the second supporting part.
Further, the first supporting portion is parallel to the second supporting portion, and the first main body portion is parallel to the second main body portion.
Further, the battery protection board comprises a connection glue, and the first main body part and the second main body part are fixed on the second supporting part through the connection glue.
Further, the support member includes a bridge portion connected to the first support portion, the bridge portion includes a first surface, the first support portion includes a second surface, the support member is provided with a positioning groove penetrating through the first surface and the second surface, and the leading-out portion includes a first section located in the positioning groove and a second section protruding from the second surface.
Further, the first surface is perpendicular to the second surface, and the first support is located between the second section and the main body.
Further, the first support includes a free end, and the second section extends in a direction away from the free end.
On the other hand, the utility model provides a battery pack, including electric core and as before any one the battery protection shield, electric core includes anodal ear and negative pole ear, anodal ear with the negative pole ear respectively with protection circuit electric connection.
In another aspect, the present invention further provides a terminal device, which includes a host and the battery assembly as described above.
In the utility model, the leading-out part is bent and extended from the main body without leading out from the end part, which is beneficial to reducing impedance; in addition, because the flexible circuit board is bent, the wiring is loose, the moving allowance can be left for the electric connector, the electric connector and the mainboard are prevented from falling off when falling or colliding, and the reliability is improved.
Drawings
Fig. 1 is a schematic side view of the battery pack of the present invention.
Fig. 2 is a schematic front view of the battery module shown in fig. 1.
Fig. 3 is a front view of an initial state of a flexible circuit board of the battery module shown in fig. 1.
Fig. 4 is a schematic structural view of the battery protection plate of the battery pack shown in fig. 1, in which the second body portion is not bent.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
Referring to fig. 1 to 4, the present invention provides a battery protection board, a battery assembly and a terminal device, wherein the terminal device is a device having a battery assembly, such as a mobile phone, a tablet computer, a wearable device, etc. The battery protection board comprises a supporting piece, a flexible circuit board and a protection circuit, the flexible circuit board comprises a main body and a leading-out portion extending from the main body in a bending mode, the leading-out portion is bent along the width direction of the main body, the protection circuit is arranged on the main body, the supporting piece comprises a first supporting portion supporting the leading-out portion, and the leading-out portion can be arranged in a mode that the first supporting portion moves relatively. In the utility model, the leading-out part is bent and extended from the main body without leading out from the end part, which is beneficial to reducing impedance; in addition, because the flexible circuit board is bent, the wiring is loose, the moving allowance can be left for the electric connector, the electric connector and the mainboard are prevented from falling off when falling or colliding, and the reliability is improved.
Referring to fig. 1 and fig. 2, in the present embodiment, the battery assembly includes a battery protection board and a battery cell 6, the battery protection board includes a supporting member 1, a flexible circuit board 2 supported by the supporting member, and a protection circuit 3 disposed on the flexible circuit board 2, and the protection circuit 3 may include a lead and a plurality of electronic components, and is used for protecting the battery cell to prevent overcharge, overdischarge, overcurrent, short circuit, and ultra-high temperature charging and discharging of the battery cell 6. The battery cell 6 comprises a positive tab 61 and a negative tab 62, and the positive tab 61 and the negative tab 62 are respectively welded with the protection circuit 3 through soldering tin 5, so that the electric connection is realized.
The support 1 comprises a bridge portion 11, a first support portion 12 and a second support portion 13, wherein the first support portion 12 and the second support portion 13 extend perpendicularly from the bridge portion 11, and the first support portion 12 is parallel to the second support portion 13 and the extending directions of the first support portion and the second support portion are the same. In other embodiments, the extending manner of the first supporting portion 12 and the second supporting portion 13 may be changed as needed.
The flexible circuit board 2 comprises a main body 21, a lead-out portion 22 bent and extended from the main body 21, and an electric connector 23 connected to the tail end of the lead-out portion 22, wherein the electric connector 23 is used for being electrically connected with a main board of the equipment so as to supply power to each component of the equipment through the main board. The lead portion 22 is bent in the width direction of the main body portion 21, in other words, the lead portion 22 is bent with a straight line parallel to the width direction of the main body portion 21 as a center line. The leading-out position of the leading-out part 22 can be selected in various ways without being arranged in the end area, thereby being beneficial to reducing the impedance and further reducing the temperature rise of the flexible circuit board. In the present embodiment, the lead portion 22 is bent 180 degrees from the main body 21, and an axis around which the bending is performed extends in the width direction of the main body 21.
Referring to fig. 1 to 3, the flexible printed circuit 2 shown in fig. 3 is not bent and is shaped like a flat plate. The main body 21 includes a first main body portion 211, a second main body portion 212, and a bending portion 213 connecting the first main body portion 211 and the second main body portion 212, and the first main body portion 211 is shorter than the second main body portion 212 and is connected to the lead portion 22. The second body portion 212 includes a base portion 2121 and an extension portion 2122 connected to the base portion 2121, the base portion 2121 is aligned with the first body portion 211 in an extending direction of the first body portion 211, and the extension portion 2122 protrudes from the first body portion 211 in the extending direction of the first body portion 211. In another embodiment, the base 2121 and the first body portion 211 may be partially aligned in the extending direction of the first body portion 211. The lead portion 22 is bent from the first body portion 21, a notch 20 is formed between the lead portion 22 and the extension portion 2122, and the notch 20 allows the lead portion 22 to be bent with respect to the body portion 21. In another embodiment, the extension portion 2122 may not be provided, and thus the second body portion does not affect the bending of the lead portion.
The first main body portion 211 is parallel to the second main body portion 212, in other words, the second main body portion 212 is bent 180 degrees relative to the first main body portion 211, and an axis around which the bending is performed extends along the length direction of the main body 21. Because flexible circuit board 2 is through buckling many times, be favorable to reducing its space that occupies, optimize the structural design of battery protection shield. The bending portion 213 has a plurality of through holes 210, and the through holes 210 are arranged along the length direction, so as to facilitate the bending of the first main body portion 211 relative to the second main body portion 212, and reduce the stress during the bending. In other embodiments, the through-hole may be replaced by a long groove extending in the longitudinal direction of the main body 21.
The second support portion 13 supports the main body 21. The second supporting portion 13 is located between the first main body portion 211 and the second main body portion 212, and the first main body portion 211, the bending portion 213, and the second main body portion 212 are disposed along the circumferential direction of the second supporting portion 13, so that the second supporting portion 13 effectively supports the main body 21 and the protection circuit 3 disposed on the main body 21, and the protection circuit is prevented from being damaged due to deformation under stress. The battery protection plate further includes a connection glue 4, and the first main body portion 211 and the second main body portion 212 are respectively and fixedly connected to the second supporting portion 13 through one connection glue 4.
Referring to fig. 1 to 4, the second main body portion 212 shown in fig. 4 is not bent relative to the first main body portion 211. The bridge portion 11 and the first support portion 12 support the lead portion 21. The lead-out portion 22 is movably provided with respect to the support 1. Optionally, the bridge portion 11 includes a first surface 110, the first support portion 12 is provided with a second surface 120 facing away from the main body 21, and the first surface 110 is perpendicular to the second surface 120. The supporting member 1 is provided with a positioning slot 10 penetrating through the first surface 110 and the second surface 120, the leading-out portion 22 includes a first section 221 located in the positioning slot 10 and a second section 222 protruding from the second surface 120, and the first supporting portion 12 is located between the second section 222 and the main body 21. The first section is bent from the first body portion 211, and since the first section 221 is located in the positioning groove 10, the first section 221 is not visible in fig. 1. The second support portion 12 comprises a free end 121, the second section 221 extending in a direction away from the free end 121. The second section 222 can be selectively bent along any straight line parallel to the first main body 21 and orthogonal to the notch 20, that is, the distance d from the end of the second section 222 to the bent position can be selected in various ways, which is beneficial to reduce impedance compared with direct lead-out from the end.
It should be noted that the sum of the lengths of the first section 221 and the second section 222 is a fixed value, which is the total length of the guiding portion 22, but the respective lengths of the first section 221 and the second section 222 are variable, and when the first section 221 is straightened or bent in the positioning slot 10, the length d of the second section 222 (i.e. the distance from the end of the guiding portion 22 to the bending position) is correspondingly increased or decreased.
Referring to fig. 3, in an initial state, the flexible printed circuit 2 is in a flat plate shape; referring to fig. 4, the leading portion 22 is bent 180 degrees relative to the main body 21 (or the first main body 211) and is installed in the positioning slot 10 of the supporting member 1; referring to fig. 1, the second body portion 212 is bent 180 degrees relative to the first body portion 211 and fixed to the second supporting portion 13 by the connection glue 4, and before the connection glue 4 is cured, the first body portion 211 and the second body portion 212 can be clamped by a clamp. Thus, the assembly of the battery protection plate of the present embodiment is completed. And then welding the protection circuit 3 of the battery protection board with the battery core 6, namely completing the assembly of the battery assembly.
On the other hand, the utility model also provides a terminal equipment. In this embodiment, the terminal device is a mobile phone, and includes a host and the battery module as described above, where the host includes a housing, a main board mounted on the housing, a display module, a processing module, a storage module, and a communication module, and the electrical connector 23 is connected to a board end connector on the main board.
In the utility model, the leading-out part is bent and extended from the main body without leading out from the end part, which is beneficial to reducing impedance; in addition, because the flexible circuit board is bent, the wiring is loose, the moving allowance can be left for the electric connector, the electric connector and the mainboard are prevented from falling off when falling or colliding, and the reliability is improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed in the above description in terms of preferred embodiments, it is not intended to limit the present invention, and any person skilled in the art can make modifications or changes to equivalent embodiments by using the above disclosed technical contents without departing from the scope of the present invention.
Claims (12)
1. The utility model provides a battery protection shield, its characterized in that, it includes support piece, flexible circuit board and protection circuit, flexible circuit board include the main part, certainly the lead-out portion that the main part was buckled and is extended and the electric connector of connecting the lead-out portion, the lead-out portion is followed the width direction of main part is buckled, protection circuit set up in the main part, support piece is including supporting the first supporting part of lead-out portion.
2. The battery protection board according to claim 1, wherein the main body includes a first main body portion and a second main body portion, the second main body portion includes a base portion and an extension portion connected to the base portion, the base portion is at least partially aligned with the first main body portion in an extending direction of the first main body portion, and the extension portion protrudes from the first main body portion in the extending direction of the first main body portion;
the leading-out part is bent from the first main body part, and a gap is formed between the leading-out part and the extending part.
3. The battery protection plate according to claim 2, wherein the lead-out portion includes a first section bent from the first main body portion and a second section connecting the first section, and the second section is selectively bent along any one of straight lines parallel to the first main body portion and orthogonal to the notch.
4. The battery protection plate according to claim 1, wherein the main body includes a first main body portion and a second main body portion, and the supporting member includes a second supporting portion supporting the first main body portion and the second main body portion, the second supporting portion being located between the first main body portion and the second main body portion.
5. The battery protection plate as claimed in claim 4, wherein the main body includes a bent portion connecting the first main body portion and the second main body portion, the bent portion is provided with a through hole or an elongated slot, and the first main body portion, the bent portion and the second main body portion are disposed along a circumferential direction of the second supporting portion.
6. The battery protection plate as claimed in claim 4, wherein the first support portion is parallel to the second support portion, and the first body portion is parallel to the second body portion.
7. The battery protection plate as claimed in claim 4, wherein the battery protection plate includes a connection glue, and the first main body portion and the second main body portion are fixed to the second support portion by the connection glue.
8. The battery protection plate of claim 1, wherein the support member comprises a bridge portion connected to the first support member, the bridge portion comprises a first surface, the first support member comprises a second surface, the support member is provided with a positioning groove penetrating through the first surface and the second surface, and the lead-out portion comprises a first section located in the positioning groove and a second section protruding from the second surface.
9. The battery protection plate as claimed in claim 8, wherein the first surface is perpendicular to the second surface, and the first support is located between the second section and the main body.
10. The battery protection plate as claimed in claim 9, wherein the first support portion includes a free end, and the second section extends in a direction away from the free end.
11. A battery assembly, comprising a battery core and the battery protection board of any one of claims 1 to 10, wherein the battery core comprises a positive tab and a negative tab, and the positive tab and the negative tab are electrically connected to the protection circuit respectively.
12. A terminal device comprising a host and the battery pack according to claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922207151.5U CN210984882U (en) | 2019-12-10 | 2019-12-10 | Battery protection board, battery pack and terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922207151.5U CN210984882U (en) | 2019-12-10 | 2019-12-10 | Battery protection board, battery pack and terminal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210984882U true CN210984882U (en) | 2020-07-10 |
Family
ID=71423525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922207151.5U Active CN210984882U (en) | 2019-12-10 | 2019-12-10 | Battery protection board, battery pack and terminal equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210984882U (en) |
-
2019
- 2019-12-10 CN CN201922207151.5U patent/CN210984882U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102458158B1 (en) | Battery Pack Protection Circuit Module | |
| CN202888404U (en) | Electronic communication device with antenna structure | |
| CN202434747U (en) | Electric connector | |
| US11270816B2 (en) | Data cable device having cable battery | |
| CN104916959B (en) | Electric connector for socket and its component | |
| CN109904589B (en) | Wireless communication module | |
| KR20170110746A (en) | Battery Module | |
| WO2019201015A1 (en) | Back-clamping battery | |
| US11942711B2 (en) | Electrical connector with electrical terminals | |
| CN210984882U (en) | Battery protection board, battery pack and terminal equipment | |
| EP3961824A1 (en) | Protection element-integrated type connector | |
| US20120208379A1 (en) | Ac inlet | |
| CN204516946U (en) | Anti-pin terminal and the ultrathin card holder of bursting | |
| CN111433942B (en) | Battery module | |
| US11515575B2 (en) | Battery pack protection circuit module | |
| CN215008489U (en) | Battery pack and electronic device | |
| CN214313337U (en) | Heat dissipation assembly and terminal equipment thereof | |
| CN212625958U (en) | Battery protection plate, battery and electronic device | |
| CN109088215A (en) | The positive anti-plug USB socket of waterproof | |
| CN207135145U (en) | Elastic component, functional unit and mobile terminal | |
| KR20120140558A (en) | Gender for mobile communication terminal | |
| CN111770630A (en) | Circuit board structure for data interface | |
| CN110459888A (en) | Connection component and its conductive terminal | |
| US12040577B2 (en) | Connector integrated with protection element | |
| CN219321721U (en) | Charging wire connector for mobile equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |