CN217544856U - Battery and terminal equipment - Google Patents
Battery and terminal equipment Download PDFInfo
- Publication number
- CN217544856U CN217544856U CN202220862698.8U CN202220862698U CN217544856U CN 217544856 U CN217544856 U CN 217544856U CN 202220862698 U CN202220862698 U CN 202220862698U CN 217544856 U CN217544856 U CN 217544856U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- battery
- terminals
- electrically connected
- circuit
- 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
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a battery and terminal equipment belongs to battery technical field. The battery includes: the power module assembly comprises a power core assembly and a circuit assembly, wherein the circuit assembly can comprise a first circuit board and a second circuit board. Wherein, can set up protection circuit on the first circuit board, can set up two at least first terminals on the second circuit board, these two at least first terminals can be connected with two at least first utmost point ears electricity in the electric core subassembly respectively. Therefore, the at least two first terminals can be arranged on the second circuit board, so that the first terminals are prevented from occupying the space on the first circuit board, and the layout space of the routing wires on the first circuit board is large.
Description
Technical Field
The utility model relates to a battery technology field, in particular to battery and terminal equipment.
Background
The battery is a device capable of storing electric energy, and can supply power for terminal equipment such as mobile phones and tablet computers.
The battery in the related art comprises a circuit board and a battery cell, wherein the circuit board is internally provided with a protection circuit and a terminal, and the protection circuit is electrically connected with the terminal and used for avoiding the problems of overcurrent and the like of the circuit board. The battery cell is provided with lugs which are respectively and electrically connected with the anode and the cathode of the battery cell, and the lugs of the battery cell are electrically connected with terminals in the circuit board.
However, the terminals on the circuit board occupy a large space, which results in a small layout space for the traces on the circuit board.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a battery and terminal equipment. The technical scheme is as follows:
according to an aspect of the utility model, a battery is provided, the battery includes: an electrical core assembly and a circuit assembly;
the battery cell assembly comprises a battery cell main body and at least two first tabs, and the at least two first tabs are electrically connected with the battery cell main body;
the circuit assembly comprises a first circuit board, a connecting wire and a second circuit board, wherein the connecting wire is electrically connected with the first circuit board and the second circuit board respectively;
the first circuit board comprises a first board body and a protection circuit, wherein the protection circuit is positioned on the first board body and is electrically connected with the connecting wire;
the second circuit board comprises a second board body and at least two first terminals, the at least two first terminals are located on the second board body, at least one of the at least two first terminals is electrically connected with the connecting wire, and the at least two first terminals are respectively electrically connected with at least two first tabs in the electric core assembly.
Optionally, the cell assembly further comprises at least one second tab electrically connected with the cell main body;
the first circuit board further comprises at least one second terminal, the at least one second terminal is located on the first board body, and the at least one second terminal is electrically connected with the at least one second tab.
Optionally, the second circuit board further includes a detection circuit, and the detection circuit is electrically connected to the at least one first terminal and the connection line, respectively.
Optionally, the first plate body includes multiple dielectric layers, the second plate body and at least one first dielectric layer of the multiple dielectric layers are of an integral structure, and the connecting line is located on the first dielectric layer.
Optionally, the first circuit board and the second circuit board are stacked.
Optionally, the second terminal is located on a side of the first board body close to the second circuit board, and the first terminal is located on a side of the second board body away from the first circuit board;
the orthographic projection of the second board body on the first board body is not overlapped with the orthographic projection of the second terminal on the first board body.
Optionally, the electric core assembly comprises two first tabs and two second tabs;
the battery cell main body comprises a first battery cell and a second battery cell, the first battery cell is electrically connected with one first electrode lug and one second electrode lug respectively, the second battery cell is electrically connected with the other first electrode lug and the other second electrode lug respectively, and the two second electrode lugs are positioned on two sides of the two first electrode lugs respectively;
the quantity of the second terminals and the first terminals is two, the first terminals are electrically connected, the second terminals are respectively positioned on two sides of the two first terminals, the two first lugs are respectively electrically connected with the two first terminals, and the two second lugs are respectively electrically connected with the two second terminals.
Optionally, the first circuit board includes a rigid circuit board, the second circuit board includes a flexible circuit board, and an edge of the rigid circuit board is connected to an edge of the flexible circuit board.
Optionally, the battery further comprises an insulating pad located between the first circuit board and the second circuit board.
According to the utility model discloses a further aspect provides a terminal equipment, terminal equipment includes casing and foretell battery, the battery sets up in the casing.
The embodiment of the utility model provides a beneficial effect that technical scheme brought includes at least:
provided is a battery including: the power module assembly may include a first circuit board and a second circuit board. Wherein, can set up protection circuit on the first circuit board, can set up two at least first terminals on the second circuit board, these two at least first terminals can be connected with two at least first utmost point ears electricity in the electric core subassembly respectively. Therefore, the at least two first terminals can be arranged on the second circuit board, so that the first terminals are prevented from occupying the space on the first circuit board, and the layout space of the routing wires on the first circuit board is large.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of a structure of a battery in the related art;
fig. 2 is a schematic structural diagram of a battery according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another battery provided by the embodiment of the present invention;
FIG. 4 is a schematic diagram of the charging current path of the battery shown in FIG. 3;
fig. 5 is a schematic structural diagram of a circuit assembly according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of another battery provided in an embodiment of the present invention;
fig. 7 is a partial exploded view of the battery shown in fig. 6, viewed in a second direction;
fig. 8 is a schematic partial structure diagram of another battery provided in an embodiment of the present invention;
fig. 9 is a schematic partial structure diagram of another battery provided in an embodiment of the present invention;
fig. 10 is a schematic partial structure diagram of another battery according to an embodiment of the present invention.
With the above figures, certain embodiments of the present invention have been shown and described in more detail below. The drawings and the description are not intended to limit the scope of the inventive concept in any way, but rather to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, fig. 1 is a schematic structural diagram of a battery 10 in the related art. The battery 10 includes a circuit board 11 and a battery cell 12, a protection circuit 111 and a terminal 112 are disposed in the circuit board 11, and the protection circuit 111 is electrically connected to the terminal 112 for avoiding problems such as overcurrent of the circuit board 11. The battery cell 12 has two tabs 121 connected to the positive electrode and the negative electrode of the battery cell 12, and the tabs 121 of the battery cell 12 are electrically connected to the terminal 112 in the circuit board 11. The protection circuit 111 on the circuit board 11 includes electronic components such as a control chip and a switching element, and the protection circuit 111 is further configured to prevent the battery cell 12 from being damaged by overcharge, overdischarge, overcurrent, or short circuit of the battery cell 12, so as to protect the battery cell 12, so that the circuit board 11 is also referred to as a protection circuit board.
By electrically connecting the battery cell 12 to the circuit board 11, when the battery cell 12 reaches a full state, the circuit board 11 can stop charging the battery cell 12, thereby protecting the battery cell 12.
In the related art, in order to increase the contact area between the tab 121 of the battery cell 12 and the circuit board 11, the terminal 112 is disposed on the circuit board 11 and electrically connected to the tab 121, so that the connection between the battery cell 12 and the circuit board 11 is relatively stable, for example, the terminal 112 may be a pad. However, the space occupied by the terminals 112 on the circuit board 11 is large, resulting in a small layout space of the traces on the circuit board 11 and a small layout space of the electronic components.
An embodiment of the utility model provides a battery can solve the problem that exists among the above-mentioned correlation technique.
Fig. 2 is a schematic structural diagram of a battery 20 according to an embodiment of the present invention, please refer to fig. 2. The battery 20 may include: an electrical core assembly 21 and an electrical circuit assembly 22. The cell assembly 21 may include a cell body 211 and at least two first tabs 212, the at least two first tabs 212 being electrically connected with the cell body 211. The at least two first tabs 212 may include a positive tab (+) electrically connected to the positive electrode of the cell body 211 and a negative tab (-) electrically connected to the negative electrode of the cell body 211.
The circuit assembly 22 may include a first circuit board 221, a connection line 222, and a second circuit board 223, and the connection line 222 may be electrically connected with the first circuit board 221 and the second circuit board 223, respectively.
The first circuit board 221 may include a first board 2211 and a protection circuit 2212, the protection circuit 2212 may be located on the first board 2211, and the protection circuit 2212 is electrically connected to the connection line 222. The protection circuit 2212 may include electronic components such as a control chip, a resistor, and a switching element, and the protection circuit 2212 may further include a conductive wire for connecting the electronic components.
The second circuit board 223 may include a second board body 2231 and at least two first terminals 2232, the at least two first terminals 2232 may be located on the second board body 2231, at least one first terminal 2232 of the at least two first terminals 2232 is electrically connected to the connecting wire 222, and the at least two first terminals 2232 are electrically connected to at least two first tabs 212 of the electric core assembly 21, respectively. The first tab 212 of the electrical core assembly 21 can be electrically connected to the protection circuit 2212 through the first terminal 2232 and the connection line 222, so that the protection circuit 2212 can protect the electrical core assembly 21.
Therefore, the embodiment of the present invention can be implemented by disposing the first terminal 2232 on the second circuit board 223, disposing the protection circuit 2212 on the first circuit board 221, avoiding the space on the first circuit board 221 occupied by the first terminal 2232, comparing with the related art, wherein the first terminal 2232 and the protection circuit 2212 are both located on the first circuit board 221, so that the layout space of the wiring layout space and the electronic component on the first circuit board 221 is large.
In addition, the trace layout space on the first circuit board 221 is large, so that the line width of the conductive line on the first circuit board 221 is wide, the resistance of the conductive line is small, and further, the heat generation amount of the conductive line on the first circuit board 221 in the charging process of the battery 20 can be reduced.
To sum up, the embodiment of the utility model provides a battery, include: the power module assembly comprises a power core assembly and a circuit assembly, wherein the circuit assembly can comprise a first circuit board and a second circuit board. Wherein, can set up protection circuit on the first circuit board, can set up two at least first terminals on the second circuit board, these two at least first terminals can be connected with two at least first utmost point ears electricity in the electric core subassembly respectively. Therefore, the at least two first terminals can be arranged on the second circuit board, so that the first terminals are prevented from occupying the space on the first circuit board, and the layout space of the routing wires on the first circuit board is large.
Alternatively, please refer to fig. 3 and fig. 4, in which fig. 3 is a schematic structural diagram of another battery 20 according to an embodiment of the present invention, and fig. 4 is a schematic charging current path diagram of the battery 20 shown in fig. 3. It should be noted that fig. 4 shows a schematic diagram of a current path during charging, and a current path during discharging of the battery 20 is the same as the current path during charging, and the directions are opposite. A curve L1 in fig. 4 indicates a current path in the battery 20, and the direction indicated by an arrow on the curve L1 is the direction of current during charging.
The cell assembly 21 may further include at least one second tab 213, and the at least one second tab 213 is electrically connected to the cell main body 211. The cell body 211 may include at least two cells. The at least one second tab 213 may include at least one of a positive tab (+) electrically connected to the positive electrode of the cell body 211 and a negative tab (-) electrically connected to the negative electrode of the cell body 211. The first circuit board 221 may further include at least one second terminal 2213, the at least one second terminal 2213 may be located on the first board body 2211, and the at least one second terminal 2213 is electrically connected with the at least one second pole tab 213. The first tab 212 and the second tab 213 of the core assembly 21 are electrically connected to the first circuit board 221 and the second circuit board 223 of the circuit assembly 22, respectively, and form a series circuit.
The first terminal 2232 may be a pad provided on the first board body 2211, and the second terminal 2213 may be a pad provided on the second board body 2231. The first circuit board 221 may be electrically connected to the charging power source and the power consumption element in the terminal device, respectively, to charge the power consumption element assembly 21, and simultaneously, may also provide electric power for the power consumption element when the power consumption element assembly 21 discharges.
In this manner, the plurality of terminals may be respectively disposed on the first circuit board 221 and the second circuit board 223, i.e., at least one second terminal 2213 of the plurality of terminals may also be located on the first plate body 2211 of the first circuit board 221, which may make the second circuit board 223 smaller in size.
Alternatively, when there are more electronic components on the first circuit board 221, the first terminal 2232 and the second terminal 2213 in fig. 3 may be disposed on the second circuit board 223 to avoid the electronic components on the first circuit board 221 and the wiring space being small. That is, the core assembly 21 may include four tabs, and the second circuit board 223 may also include four terminals, and the four tabs may be electrically connected to the four terminals in a one-to-one correspondence.
Optionally, as shown in fig. 3, the second circuit board 223 may further include a detection circuit 2233, and the detection circuit 2233 is electrically connected to the at least one first terminal 2232 and the connection line 222, respectively. The detection circuit 2233 may be configured to detect circuit data such as voltage and current on the series circuit of the core assembly 21 and transmit the detected circuit data to the protection circuit 2212 on the first circuit board 221 through the connection line 222. So that the protection circuit 2212 can cut off the charging current in time when the electric core assembly 21 has circuit abnormality, and form effective protection for the electric core assembly 21. Compared to the related art in which the protection circuit 2212 and the detection circuit 2233 are both disposed on the first circuit board 221, the trace layout space on the first circuit board 221 can be further made larger.
Alternatively, as shown in fig. 3, the core assembly 21 may include two first tabs 212 and two second tabs 213; the two first tabs 212 may include a first positive tab 2121 and a first negative tab 2122, respectively, and the two second tabs 213 may include a second positive tab 2131 and a second negative tab 2132, respectively.
The first circuit board 221 may include two second terminals 2213 on the first plate 2211, the second circuit board 223 may include two first terminals 2232 on the second plate 2231, and the two first terminals 2232 are electrically connected, the two second terminals 2213 are respectively located at two sides of the two first terminals 2232, and the two first tabs 212 are respectively electrically connected with the two first terminals 2232, and the two second tabs 213 are respectively electrically connected with the two second terminals 2213. As such, the first cell 2111 and the second cell 2112 may form a series circuit through the first circuit board 221 and the second circuit board 223.
Under the condition that first battery cell 2111 and second battery cell 2112 establish ties and form series circuit, two second utmost point ears 213 through being in the series circuit both ends are connected with first circuit board 221 electricity, and two first utmost point ears 212 that adjacent and electricity connected different battery cells in the series circuit are connected with second circuit board 223 electricity, can realize the current circulation route of first battery cell 2111 and second battery cell 2112 from this, compare in the correlation technique battery cell only with a circuit board electricity be connected, circuit assembly 22 in the embodiment of the utility model can reduce the quantity of the terminal on first circuit board 221 when forming current circulation route, can reduce the space on the first circuit board 221 that the terminal occupy, and then can make the overall arrangement space of wiring on the first circuit board 221 and electronic component's overall arrangement space great. In addition, in the current flow paths of the first cell 2111 and the second cell 2112, part of the current flows through the first circuit board 221, and part of the current flows through the second circuit board 223, so that the length of the current flow path on the first circuit board 221 can be reduced, and the amount of heat generated by the first circuit board 221 can be reduced.
The charging current path of the battery 20 in fig. 3 may be: the current of the charging power source introduced by the first circuit board 221 flows into the second positive tab 2131 of the core assembly 21 and the positive electrode of the first cell 2111 through the protection circuit 2212 and the second terminal 2213 on the first circuit board 221, then flows out from the negative electrode of the first cell 2111 and the first negative tab 2122, the flowing current is introduced into the second circuit board 223 through the first terminal 2232 electrically connected with the first negative tab 2122, then flows into the first positive tab 2121 of the core assembly 21 and the positive electrode of the second cell 2112 through the other first terminal 2232 on the second circuit board 223, and flows out from the negative electrode of the second cell 2112 and the second negative tab 2132, and the flowing current flows back to the first circuit board 221 through the other second terminal 2213 electrically connected with the second negative tab 2132.
Alternatively, as shown in fig. 5, fig. 5 is a schematic structural diagram of a circuit assembly 22 according to an embodiment of the present invention. The first plate body 2211 may include a plurality of dielectric layers, and the second plate body 2231 is integrated with at least one of the plurality of dielectric layers, and a connection line (not shown in fig. 5) may be located on the first dielectric layer. Thus, the first circuit board 221 and the second circuit board 223 can be integrated, the connecting lines for connecting the first circuit board 221 and the second circuit board 223 can be located inside the first circuit board 221, terminals for electrically connecting with the connecting lines do not need to be arranged on the first circuit board 221, and the routing layout space on the first circuit board 221 and the layout space of electronic components can be increased.
In addition, the first circuit board 221 and the second circuit board 223 are integrated, so that the connection between the first circuit board 221 and the second circuit board 223 is stable, and the capability of resisting external impact at the electrical connection part between the first circuit board 221 and the second circuit board 223 can be improved.
Alternatively, as shown in fig. 5, the first circuit board 221 may be stacked with the second circuit board 223. Therefore, the floor space of the first circuit board 221 and the second circuit board 223 can be reduced, the space can be saved, the volume of the cell main body 211 can be increased, and the capacity of the cell main body 211 can be increased.
Alternatively, fig. 6 is a schematic structural diagram of another battery 20 provided in the embodiment of the present invention, fig. 6 further illustrates an exploded view of a part 20A of the battery 20, and fig. 7 is an exploded view of the part 20A of the battery 20 illustrated in fig. 6, which is seen along the second direction f 2. The second direction f2 may be perpendicular to the board surface of the first board 2211 of the first circuit board 221, and directed from the first circuit board 221 to the second circuit board 223. Referring to fig. 6 and 7, the second terminal 2213 may be located on a side of the first board 2211 close to the second circuit board 223, and the first terminal 2232 may be located on a side of the second board 2231 away from the first circuit board 221. The orthographic projection of the second plate 2231 on the first plate 2211 does not overlap with the orthographic projection of the second terminal 2213 on the first plate 2211. The size of the second plate 2231 in the first direction f1 may be smaller than that of the first plate 2211, so as to avoid that the second plate 2231 is located between the second terminal 2213 and the second pole ear 213 when the second plate 2231 is located on the side of the first plate 2211 close to the electric core assembly 21. An electronic component 2234 may also be disposed on a side of the first circuit board 221 facing away from the second circuit board 223.
When a plurality of battery cells are arranged in parallel along the first direction f1, the first tab 212 and the second tab 213 may also be arranged along the first direction f 1. The cell main body 211 can be made to have a large capacity, and the cell main body 211 is thin. Moreover, the plurality of first terminals 2232 and the plurality of second terminals 2213 on the circuit assembly 22 may also be arranged along the first direction f1, so that the arrangement positions of the plurality of first terminals 2232 on the circuit assembly 22 and the plurality of first tabs 212 on the electric core assembly 21 may be in one-to-one correspondence, and the arrangement positions of the plurality of second terminals 2213 and the plurality of second tabs 213 on the electric core assembly 21 may also be in one-to-one correspondence, which may reduce the connection difficulty of the one-to-one electrical connection between the plurality of terminals and the plurality of tabs, and may also reduce the length of the conductive wire between the first terminals 2232 and the first tabs 212, and similarly, may also reduce the length of the conductive wire between the second terminals 2213 and the second tabs 213.
Optionally, a plurality of conductive members may be further included on the battery 20, and the conductive members may be located between the first terminal 2232 and the first tab 212, so that the first terminal 2232 and the first tab 212 are electrically connected through the conductive members, and the conductive members may also be located between the second terminal 2213 and the second tab 213, so that the second terminal 2213 and the second tab 213 are electrically connected through the conductive members.
The conductive member may include a metal pad, and a material of the metal pad may include nickel. The thickness of the metal gasket between the first terminal 2232 and the first tab 212 may be greater than the thickness of the metal gasket between the second terminal 2213 and the second tab 213.
Alternatively, as shown in fig. 5, the first circuit board 221 may include a hard circuit board, and the second circuit board 223 may include a flexible circuit board, and an edge of the hard circuit board may be connected with an edge of the flexible circuit board. The rigid Circuit Board can be a rigid Printed Circuit Board (PCB) which is made of a phenolic aldehyde paper laminated Board, an epoxy paper laminated Board or a polyester glass felt laminated Board as a substrate. The Flexible Printed Circuit (FPC) may be a Flexible Printed Circuit board made of polyimide or polyester film as a substrate.
Because the protection circuit 2212 is disposed on the first circuit board 221, there are many electronic components in the protection circuit 2212, for example, the first circuit board 221 may have electronic components such as a control chip, a thin film transistor, and a resistor, and the size of the first circuit board 221 is large, therefore, the first circuit board 221 is a hard circuit board, so that the first circuit board 221 is not easily deformed, and the electronic components on the first circuit board 221 may be firmly connected to the first board 2211 of the first circuit board 221. The size of the second circuit board 223 is smaller, and the number of electronic components on the second circuit board 223 is smaller, and the second circuit board 223 is a flexible circuit board, so that the thickness of the second circuit board 223 is smaller, and the volume of the circuit assembly 22 can be further reduced. Illustratively, the thickness of the rigid circuit board may range from 0.6 mm to 1.5 mm, and the thickness of the flexible circuit board may range from 0.12 mm to 0.27 mm.
And the edge of the hard circuit board can be connected with the edge of the flexible circuit board so that the hard circuit board and the flexible circuit board are electrically connected, and the flexible circuit board can be folded so that the flexible circuit board and the hard circuit board are arranged in a stacked mode.
Alternatively, as shown in fig. 8, fig. 8 is a schematic partial structure diagram of another battery 20 according to an embodiment of the present invention. The battery 20 may further include an insulating pad 23, and the insulating pad 23 may be located between the first circuit board 221 and the second circuit board 223. When the first circuit board 221 and the second circuit board 223 are stacked, the insulating pad may be used to prevent a short circuit between the first circuit board 221 and the second circuit board 223. The insulating pad 23 may be bonded to the first circuit board 221 and the second circuit board 223, respectively, and may improve stability of the battery 20 and prevent the first circuit board 221 and the second circuit board 223 from being separated. The material of the insulating pad 23 may include silicone rubber.
Optionally, the battery 20 may further include a double-sided adhesive, the double-sided adhesive may be located between the battery cell assembly 21 and the circuit assembly 22, and the double-sided adhesive may bond the battery cell assembly 21 and the circuit assembly 22 together, so as to avoid a phenomenon that the battery cell assembly 21 and the circuit assembly 22 are separated after being vibrated, so that an open circuit occurs in the battery 20.
Alternatively, as shown in fig. 9, fig. 9 is a schematic partial structure diagram of another battery 20 according to an embodiment of the present invention. To facilitate a clearer illustration of the specific structure of the flexible webs 24, the flexible webs 24 are shown in isolation within the dashed box in FIG. 9. The battery 20 may further include a flexible connection board 24, the number of the flexible connection boards 24 may be two, the flexible connection board 24 may include a bent portion 241 and first and second connection boards 242 and 243 stacked, the bent portion 241 may be in contact with and electrically connected to edges of the first and second connection boards 242 and 243, respectively, the first connection board 242 is attached to and electrically connected to a side of the first circuit board 221 away from the second circuit board 223, and the second connection board 243 may be used for electrically connecting external electronic components. The flexible connecting plate 24 is respectively connected with the edge of the first connecting plate 242 and the edge of the second connecting plate 243 through the bending portion 241, so that the impact resistance of the flexible connecting plate 24 can be improved, when the flexible connecting plate 24 is subjected to external impact force (for example, vibration), the bending portion 241 can play a role in buffering, the stability of the flexible connecting plate 24 can be improved, and the flexible connecting plate 24 and the first circuit board 221 are prevented from being separated.
Alternatively, as shown in fig. 10, fig. 10 is a schematic partial structure diagram of another battery 20 according to an embodiment of the present invention. The battery 20 may further include an insulating adhesive sheet 25, and the insulating adhesive sheet 25 may cover an outer side of the circuit assembly to prevent the circuit assembly from being electrically connected to an electronic component outside the battery 20. And the insulating adhesive paper 25 may be positioned between the first connection plate 242 and the second connection plate 243 of the flexible connection plate 24 so that the second connection plate 243 may be electrically connected with an external electronic component.
To sum up, the embodiment of the utility model provides a battery, include: the power module assembly may include a first circuit board and a second circuit board. Wherein, can set up protection circuit on the first circuit board, can set up two at least first terminals on the second circuit board, these two at least first terminals can be connected with two at least first utmost point ears electricity in the electric core subassembly respectively. Therefore, the at least two first terminals can be arranged on the second circuit board, so that the first terminals are prevented from occupying the space on the first circuit board, and the layout space of the routing wires on the first circuit board is large.
The embodiment of the utility model provides a still provide a terminal equipment, this terminal equipment can include casing and foretell battery, and the battery setting is in the casing. The terminal device may be: mobile phones, tablet computers, notebook computers, navigators, and the like.
In the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.
The above description is only an optional embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A battery (20), comprising: an electric core assembly (21) and an electric circuit assembly (22);
the cell assembly (21) comprises a cell main body (211) and at least two first tabs (212), wherein the at least two first tabs (212) are electrically connected with the cell main body (211);
the circuit assembly (22) comprises a first circuit board (221), a connecting line (222) and a second circuit board (223), wherein the connecting line (222) is electrically connected with the first circuit board (221) and the second circuit board (223) respectively;
wherein the first circuit board (221) comprises a first board body (2211) and a protection circuit (2212), the protection circuit (2212) is located on the first board body (2211), and the protection circuit (2212) is electrically connected with the connecting line (222);
the second circuit board (223) comprises a second board body (2231) and at least two first terminals (2232), wherein the at least two first terminals (2232) are located on the second board body (2231), at least one first terminal (2232) of the at least two first terminals (2232) is electrically connected with the connecting line (222), and the at least two first terminals (2232) are electrically connected with at least two first tabs (212) of the electric core assembly (21) respectively.
2. The battery (20) of claim 1, wherein the cell assembly (21) further comprises at least one second tab (213), the at least one second tab (213) being electrically connected to the cell body (211);
the first circuit board (221) further comprises at least one second terminal (2213), the at least one second terminal (2213) is located on the first board body (2211), and the at least one second terminal (2213) is electrically connected with the at least one second tab (213).
3. The battery (20) of claim 1, further comprising a detection circuit (2233) on the second circuit board (223), the detection circuit (2233) being electrically connected to the at least one first terminal (2232) and the connection line (222), respectively.
4. The battery (20) of claim 1, wherein the first plate body (2211) comprises a plurality of dielectric layers, the second plate body (2231) is integral with at least one of the plurality of dielectric layers, and the connecting wire (222) is located on the first dielectric layer.
5. The battery (20) of claim 2, wherein the first circuit board (221) is stacked with the second circuit board (223).
6. The battery (20) of claim 5, wherein the second terminal (2213) is located on a side of the first plate body (2211) adjacent to the second circuit board (223), and the first terminal (2232) is located on a side of the second plate body (2231) facing away from the first circuit board (221);
the orthographic projection of the second plate body (2231) on the first plate body (2211) and the orthographic projection of the second terminal (2213) on the first plate body (2211) are not overlapped.
7. The battery (20) of claim 2, wherein the core assembly (21) includes two of the first tabs (212) and two of the second tabs (213);
the battery cell body (211) comprises a first battery cell (2111) and a second battery cell (2112), the first battery cell (2111) is electrically connected with one first tab (212) and one second tab (213) respectively, the second battery cell (2112) is electrically connected with the other first tab (212) and the other second tab (213) respectively, and the two second tabs (213) are located on two sides of the two first tabs (212) respectively;
the number of the second terminals (2213) and the first terminals (2232) is two, two the first terminals (2232) are electrically connected, two the second terminals (2213) are respectively located at two sides of the two first terminals (2232), and the two first tabs (212) are respectively electrically connected with the two first terminals (2232), and the two second tabs (213) are respectively electrically connected with the two second terminals (2213).
8. The battery (20) of claim 1, wherein the first circuit board (221) comprises a rigid circuit board and the second circuit board (223) comprises a flexible circuit board, an edge of the rigid circuit board being connected to an edge of the flexible circuit board.
9. The battery (20) of claim 5, wherein the battery (20) further comprises an insulating pad (23), the insulating pad (23) being located between the first circuit board (221) and the second circuit board (223).
10. A terminal device, characterized in that it comprises a housing and a battery (20) according to any one of claims 1-9, said battery (20) being arranged inside said housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220862698.8U CN217544856U (en) | 2022-04-13 | 2022-04-13 | Battery and terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220862698.8U CN217544856U (en) | 2022-04-13 | 2022-04-13 | Battery and terminal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217544856U true CN217544856U (en) | 2022-10-04 |
Family
ID=83432121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220862698.8U Active CN217544856U (en) | 2022-04-13 | 2022-04-13 | Battery and terminal equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217544856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024149149A1 (en) * | 2023-01-09 | 2024-07-18 | 珠海冠宇电源有限公司 | Battery and electrical device |
-
2022
- 2022-04-13 CN CN202220862698.8U patent/CN217544856U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024149149A1 (en) * | 2023-01-09 | 2024-07-18 | 珠海冠宇电源有限公司 | Battery and electrical device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110299479B (en) | Electronic device | |
| US8597814B2 (en) | Connection terminal and secondary battery using the same | |
| US9017836B2 (en) | Battery pack | |
| US7852184B2 (en) | Coil module apparatus | |
| CN103367684A (en) | Rechargeable battery pack | |
| KR20090104583A (en) | Battery pack | |
| CN112133876B (en) | Battery and terminal equipment | |
| CN110867552A (en) | Battery protection plate and battery pack | |
| CN206629323U (en) | A kind of battery protecting plate, lithium battery structure and mobile terminal | |
| CN211455731U (en) | Battery module and electronic equipment | |
| CN209515796U (en) | Cell module encapsulation structure and mobile terminal | |
| CN103066338A (en) | Protective circuit module and battery pack having same | |
| CN217544856U (en) | Battery and terminal equipment | |
| KR101474393B1 (en) | Battery pack | |
| CN113131099A (en) | Battery pack | |
| WO2023216774A1 (en) | Battery and electronic device | |
| CN209640875U (en) | Fingerprint modular structure and electronic equipment | |
| CN206628509U (en) | A kind of battery protecting plate, lithium battery structure and mobile terminal | |
| CN114696041B (en) | Battery module, packaging method of battery module and terminal equipment | |
| JP2004185861A (en) | Circuit board and battery pack | |
| US9362543B2 (en) | Battery pack | |
| KR101429766B1 (en) | Battery Pack | |
| CN218919187U (en) | Battery and terminal equipment | |
| CN221551971U (en) | Battery core protection board, battery and electronic equipment | |
| CN221551968U (en) | Battery protection board, battery and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |