CN106169787B - Electronic equipment - Google Patents
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- CN106169787B CN106169787B CN201610476302.5A CN201610476302A CN106169787B CN 106169787 B CN106169787 B CN 106169787B CN 201610476302 A CN201610476302 A CN 201610476302A CN 106169787 B CN106169787 B CN 106169787B
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- 230000001133 acceleration Effects 0.000 claims description 7
- 230000020169 heat generation Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 35
- 238000004806 packaging method and process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- H02J7/0077—
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an electronic device, comprising: a main circuit board; the main circuit board is provided with M charging circuits, and M is a positive integer larger than or equal to 0; an auxiliary circuit board; the auxiliary circuit board is used for connecting an entity interface of the electronic equipment, the auxiliary circuit board is provided with N charging circuits, and N is a positive integer larger than or equal to 1; a battery; the battery supplies power to the main circuit board through the auxiliary circuit board; the charging interface is connected with the auxiliary circuit board and used for connecting a power adapter; wherein, the charging interface belongs to the entity interface; the charging assembly comprises M charging circuits and N charging circuits, wherein M is less than or equal to N; the subassembly that charges provides first charging means for the battery when the interface that charges has connected the adapter and charges or provides the second charging means different with first charging means for the battery when the interface that charges has connected the adapter and charges. The invention can reduce part of components in the power supply system, reduce the on-resistance of the path, reduce the heat generation, and improve the service life and the safety of the battery.
Description
Technical Field
The invention relates to the technical field of power supply, in particular to electronic equipment.
Background
At present, a charging and discharging system of an intelligent mobile terminal such as a smart phone and a tablet computer generally comprises a charger, a data line, a charging interface, an internal charging circuit and a battery. When the existing charging and discharging system is used for charging and discharging, the conduction resistance of components in the system is large, so that heat loss can be caused to generate a large amount of heat, and the service life and the safety of a battery are influenced.
Disclosure of Invention
In view of this, the present invention provides a power supply system, which can reduce part of components in the power supply system, reduce on-resistance of a path, reduce heat generation, and improve the life and safety of a battery.
The present invention provides an electronic device, including:
a main circuit board; the main circuit board is provided with M charging circuits, and M is a positive integer larger than or equal to 0
An auxiliary circuit board; the auxiliary circuit board is used for connecting an entity interface of the electronic equipment, the auxiliary circuit board is provided with N charging circuits, and N is a positive integer larger than or equal to 1;
a battery: the battery supplies power to the main circuit board through the auxiliary circuit board; the charging interface is connected with the auxiliary circuit board and is used for connecting a power adapter; wherein the charging interface belongs to the entity interface;
the charging assembly comprises the M charging circuits and the N charging circuits, and M is less than or equal to N; the charging assembly provides a first charging mode for the battery to charge when the charging interface is connected with the adapter or provides a second charging mode different from the first charging mode for the battery to charge when the charging interface is connected with the adapter.
Preferably, the battery is only a battery cell, and the battery protection circuit is arranged on the auxiliary circuit board; the positive electrode of the battery cell is directly welded on the auxiliary circuit board; the negative electrode of the battery cell is directly welded on the auxiliary circuit board; and the battery core is connected into the battery protection circuit through the anode welded on the auxiliary circuit board and the cathode welded on the auxiliary circuit board.
Preferably, the charging interface supplies the charging current provided by the adapter to the battery through the N charging circuits arranged on the auxiliary circuit board, so as to charge the battery.
Preferably, the auxiliary circuit board is provided with N charging circuits at least including a quick charging circuit.
Preferably, M charging circuits arranged on the main circuit board are zero, and N charging circuits arranged on the auxiliary circuit board include a standard charging circuit and a quick charging circuit; the standard charging circuit and the quick charging circuit are parallel circuits.
Preferably, the M charging circuits arranged on the main circuit board are only standard charging circuits, and the N charging circuits arranged on the auxiliary circuit board include fast charging circuits.
Preferably, the auxiliary circuit board is provided with N charging circuits, and the N charging circuits further include a judging circuit, where the judging circuit is configured to judge whether a charging current provided by an adapter connected to the charging interface is greater than a threshold, where the charging current is provided to the battery through the standard charging circuit when the charging current is less than the threshold, so that the battery is charged according to the first charging mode; and when the charging current is larger than the threshold value, the charging current is provided for the battery through the quick charging circuit, so that the battery is charged according to the second charging mode.
Preferably, the main circuit board is disposed at a first end in a housing of the electronic device, and the auxiliary circuit board is disposed at a second end different from the first end in the housing of the electronic device, so as to reduce an influence of heat generated when the battery is charged according to the second charging manner on components on the main circuit board for implementing any function of the electronic device other than the charging function.
Preferably, the distance between the auxiliary circuit board and the charging interface is smaller than the distance between the main circuit board and the charging interface, and the battery which is only a battery core is directly connected to the auxiliary circuit board through a positive electrode welded on the auxiliary circuit board and a negative electrode welded on the auxiliary circuit board, so that a fast charging path is connected in a simplest manner.
Preferably, the fast charging circuit further comprises an acceleration circuit, and the acceleration circuit is used for increasing the charging current.
According to the technical scheme, the electronic equipment disclosed by the application arranges part of the charging circuits on the auxiliary circuit board, and compared with the prior art, all the charging circuits are intensively arranged on the main circuit board, so that part of heating is dispersed to the auxiliary circuit board, the intensity of a heating area is reduced, and meanwhile, part of interfaces related to charging are reduced, therefore, the reduction of heating amount is integrally realized, and the service life and the safety of a battery are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an electronic device according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic device according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to a fourth embodiment of the present invention;
fig. 5 is a schematic structural diagram of an electronic device according to a fifth embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to a sixth embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention discloses an electronic device which can be a tablet computer, a smart phone, a personal digital assistant, a smart wearable device and the like. Hereinafter, for convenience of description, a smartphone will be explained as an example of the electronic device, and thus the "smartphone" described below should be understood as an exemplary expression of the electronic device of the present invention and should not be construed as a limitation of the electronic device of the present invention.
As shown in fig. 1, an electronic device disclosed in an embodiment of the present invention includes:
a main circuit board 101; m charging circuits 1011 are arranged on the main circuit board 101, wherein M is a positive integer larger than or equal to 0;
to realize the charging function, taking a smart phone as an example, M charging circuits 1011 are disposed on the main circuit board 101 of the smart phone. According to different charging requirements, one or more charging circuits 1011 may be arranged on the main circuit board 101, or the charging circuits 1011 may not be arranged.
An auxiliary circuit board 102; the auxiliary circuit board 102 is used for connecting a physical interface of the electronic device, N charging circuits 1021 are arranged on the auxiliary circuit board 102, and N is a positive integer greater than or equal to 1;
in order to realize multiple charging modes of the smart phone, the auxiliary circuit board 102 is further provided, one or more charging circuits are arranged on the auxiliary circuit board 102, and when the charging circuit 1011 is not arranged on the main circuit board 101, the charging function can also be realized through the charging circuit 1021 arranged on the auxiliary circuit board 102.
A battery 103; the battery 103 supplies power to the main circuit board 101 through the auxiliary circuit board 102;
the battery 103 in the smart phone is composed of a battery core and a protection circuit. After the battery 103 is charged, the battery 103 directly supplies power to the main circuit board 101 through the auxiliary circuit board 102, and compared with a mode that the battery is connected to the main circuit board through a connector to supply power to the main circuit board in the prior art, the use of the connector between the battery and the main circuit board is reduced, the on-resistance of a channel is reduced, the heat generation is reduced, and the service life and the safety of the battery are improved.
A charging interface 104; the charging interface 104 is connected with the auxiliary circuit board 102, and the charging interface 104 is used for connecting a power adapter; wherein, the charging interface 104 belongs to the physical interface;
in the charging process, the charging is completed by connecting an external power adapter with the charging interface 104 on the smart phone, wherein the charging interface 104 is an entity interface, and can be a Micro USB interface, a type-c interface or a proprietary interface.
A charging assembly; the charging assembly comprises M charging circuits 1011 and N charging circuits 1021, wherein M is less than or equal to N; the charging component provides a first charging mode for charging the battery 103 when the charging interface 104 is connected with the adapter or provides a second charging mode different from the first charging mode for charging the battery 103 when the charging interface 104 is connected with the adapter.
In the charging process of the smart phone, the charging is completed through the charging assembly. The charging assembly includes M charging circuits 1011 and N charging circuits 1021. When the charging interface 104 is connected to the adapter, the charging component can realize standard charging through M charging circuits 1011 in the main circuit board 101, and can also realize quick charging through N charging circuits 1021 in the auxiliary circuit board 102.
In summary, in the above embodiments, in the charging process, part of the charging circuits are arranged on the auxiliary circuit board, and compared with the prior art, all the charging circuits are arranged on the main circuit board in a centralized manner, so that part of the heat generated is dispersed to the auxiliary circuit board, the density of the heat generating area is reduced, and part of the interfaces related to charging are reduced, thereby reducing the heat generated as a whole, and improving the service life and safety of the battery.
Specifically, the battery is composed of a battery core and a battery protection circuit, and in the prior art, the battery protection circuit is usually attached to the battery core, and the battery core and the battery protection circuit are integrally packaged to form the battery. The battery formed by packaging is connected with the main circuit board through the connecting device, so that the connecting device in the charging process is added, the resistance of the whole charging circuit is larger, and the heat productivity is relatively larger. Meanwhile, because the battery protection circuit can generate heat in the charging process, the emitted heat can directly influence the temperature of the battery cell tightly attached to the battery cell, and therefore the service life and the safety of the battery cell are easily influenced.
In order to reduce the number of connecting devices during charging, reduce the resistance of the charging circuit, and reduce the influence of the heat dissipated by the battery protection circuit on the battery cell, as shown in fig. 2, a second embodiment of the electronic device is disclosed on the basis of the first embodiment.
Specifically, the battery formed by integral packaging is disassembled, so that the battery is only a battery cell, the battery cell 1031 and the battery protection circuit 1032 in the battery 103 are separated, the battery protection circuit 1032 is arranged on the auxiliary circuit board 102, the positive electrode of the battery cell 1031 is directly welded on the auxiliary circuit board 102, and the negative electrode of the battery cell 1031 is directly welded on the auxiliary circuit board 102; and the battery cell 1031 is inserted into the battery protection circuit 1032 by a positive electrode soldered to the auxiliary circuit board 102 and a negative electrode soldered to the auxiliary circuit board 102. Through with the anodal and the negative pole beading of electricity core 103 on auxiliary circuit board 102, reduced the connecting device between electricity core 103 and main circuit board 101, reduced the resistance in the charging process, simultaneously, at the in-process that charges, realized keeping apart the physics of electricity core 1031 with battery protection circuit 1032 to the influence of the heat that has reduced battery protection circuit 1032 and has dispelled to electricity core 1031 has reduced the influence that causes life-span and the safety of electricity core.
Specifically, in the above embodiment, the charging current provided by the adapter may be provided to the battery through the charging interface 104 via the N charging circuits 1021 arranged on the auxiliary circuit board 102, so as to charge the battery. Compared with the prior art in which direct charging is performed on the main circuit board, battery connectors and the like are reduced, so that current transmission is performed on the auxiliary circuit board 102, and the heat generation is greatly reduced.
Specifically, on the basis of the above embodiment, in order to further enable quick charging of the smart phone, the N charging circuits 1021 arranged on the auxiliary circuit board 102 at least include a quick charging circuit, and during quick charging, the charging interface 104 provides the charging current provided by the adapter meeting the quick charging to the battery through the quick charging circuit arranged on the auxiliary circuit board 102, so that the battery can be quickly charged. Meanwhile, when the quick charging is realized, the charging current is large, and the quick charging circuit is arranged on the auxiliary circuit board 102, so that compared with the quick charging circuit arranged on the main circuit board, connecting devices between the quick charging circuit and the main circuit board are reduced, and the heating value in the charging process is greatly reduced under the condition of large quick charging current.
Specifically, further, set up main circuit board 101 at the first end in the electronic equipment casing, assist circuit board 102 and set up in the casing of electronic equipment with the second end that the first end is different, when quick charge, charging interface 104 will accord with the charging current that quick charge's adapter provided and offer the battery through the quick charging circuit who arranges on assisting circuit board 102 for the battery can quick charge, reduce the produced heat of battery when quick charge and be used for realizing the electronic equipment except that the influence of the components and parts of charging the function other arbitrary function on main circuit board 101 simultaneously.
Specifically, further, the distance between the auxiliary circuit board 102 and the charging interface 104 is set to be smaller than the distance between the main circuit board 101 and the charging interface 104, even if the auxiliary circuit board 102 is closer to the charging interface 104 than the main circuit board 101, and only the battery of the battery cell is directly connected to the auxiliary circuit board 102 through the anode welded to the auxiliary circuit board 102 and the cathode welded to the auxiliary circuit board 102, so that when the quick charging is performed, the path of the quick charging can be connected in the simplest manner, and then, the purpose of reducing part of component circuits is achieved, the on resistance of the path is reduced, and the heat generation is reduced.
Specifically, as shown in fig. 3, an electronic device disclosed in a third embodiment of the present invention includes:
the charging circuit comprises a main circuit board 301, wherein M charging circuits are arranged on the main circuit board 301, and M is zero;
an auxiliary circuit board 302; the auxiliary circuit board 302 is used for connecting an entity interface of the electronic equipment, the auxiliary circuit board 302 is provided with N charging circuits, and N is a positive integer greater than or equal to 1; the N charging circuits include a standard charging circuit 3021 and a fast charging circuit 3022; the standard charging circuit 3021 and the fast charging circuit 3022 are parallel circuits;
the present embodiment does not arrange the charging circuit on the main circuit board 301, and arranges only the charging circuit on the auxiliary circuit board 302. In order to realize multiple charging modes on the auxiliary circuit board 302, the charging circuit arranged on the auxiliary circuit board 302 includes a standard charging circuit 3021 and a fast charging circuit 3022, the standard charging circuit 3021 can realize standard charging, and the fast charging circuit 3022 can realize fast charging.
A battery 303; the battery supplies power to the main circuit board 301 through the auxiliary circuit board 302;
the battery 303 in the smart phone is composed of a battery core and a protection circuit. After the battery 303 is charged, the battery 303 directly supplies power to the main circuit board 301 through the auxiliary circuit board 302, and compared with a mode that the battery is connected to the main circuit board through a connector to supply power to the main circuit board in the prior art, the use of the connector between the battery and the main circuit board is reduced, the on-resistance of a channel is reduced, the heat generation is reduced, and the service life and the safety of the battery are improved.
Specifically, the battery is composed of a battery core and a battery protection circuit, and in the prior art, the battery protection circuit is usually attached to the battery core, and the battery core and the battery protection circuit are integrally packaged to form the battery. The battery formed by packaging is connected with the main circuit board through the connecting device, so that the connecting device in the charging process is added, the resistance of the whole charging circuit is larger, and the heat productivity is relatively larger. Meanwhile, because the battery protection circuit can generate heat in the charging process, the emitted heat can directly influence the temperature of the battery cell tightly attached to the battery cell, and therefore the service life and the safety of the battery cell are easily influenced.
In order to reduce connecting devices in the charging process, the resistance of the charging circuit is reduced, and meanwhile, the influence of heat emitted by the battery protection circuit on the battery core is reduced.
Specifically, the battery formed by integral packaging is disassembled, so that the battery is only an electric core, an electric core 3031 and a battery protection circuit 3032 in the battery 303 are separated, the battery protection circuit 3032 is arranged on the auxiliary circuit board 302, the anode of the electric core 3031 is directly welded on the auxiliary circuit board 302, and the cathode of the electric core 3031 is directly welded on the auxiliary circuit board 302; and the battery cell 3031 is connected to the battery protection circuit 3032 through a positive electrode welded to the auxiliary circuit board 302 and a negative electrode welded to the auxiliary circuit board 302. The positive electrode and the negative electrode of the battery cell 303 are directly welded on the auxiliary circuit board 302, so that connecting devices between the battery cell 303 and the main circuit board 301 are reduced, the resistance in the charging process is reduced, and meanwhile, the battery cell 3031 and the battery protection circuit 3032 are physically isolated in the charging process, so that the influence of heat emitted by the battery protection circuit 3032 on the battery cell 3031 is reduced, and the influence on the service life and the safety of the battery cell is reduced.
A charging interface 304; the charging interface 304 is connected with the auxiliary circuit board 302, and the charging interface 304 is used for connecting a power adapter; wherein, the charging interface 304 belongs to the entity interface;
in the charging process, the charging is completed by connecting an external power adapter with a charging interface 304 on the smart phone, wherein the charging interface 304 is an entity interface, and can be a Micro USB interface, a type-c interface or a proprietary interface.
A charging assembly; the charging assembly comprises N charging circuits, and provides a first charging mode for charging the battery 303 when the charging interface 304 is connected with the adapter or provides a second charging mode different from the first charging mode for charging the battery 303 when the charging interface 304 is connected with the adapter.
The first charging mode is that the charging module 305 provides a standard charging mode for the battery through the standard charging circuit 3021 arranged on the auxiliary circuit board 302 when the charging interface 304 is connected to the adapter.
The second charging mode is that when the charging module 305 is connected to the adapter via the charging interface 304, a fast charging mode is provided for the battery via the fast charging circuit 3022 arranged on the auxiliary circuit board 302.
Specifically, as shown in fig. 4, an electronic device disclosed in the fourth embodiment of the present invention includes:
the charging circuit comprises a main circuit board 401, wherein the main circuit board 401 is provided with M charging circuits, and the M charging circuits are only standard charging circuits 4011;
an auxiliary circuit board 402; the auxiliary circuit board 402 is used for connecting an entity interface of the electronic equipment, the auxiliary circuit board 402 is provided with N charging circuits, and N is a positive integer greater than or equal to 1; the N charging circuits comprise a quick charging circuit 4021;
in this embodiment, the charging circuit arranged on the main circuit board 401 is only the standard charging circuit 4011, and the charging circuit arranged on the auxiliary circuit board 402 includes the fast charging circuit 4021. The standard charging can be realized through the standard charging circuit 4011, and the quick charging can be realized through the quick charging circuit 4021.
A battery 403; the battery supplies power to the main circuit board 401 through the auxiliary circuit board 402;
the battery 403 in the smart phone is composed of a battery core and a protection circuit. After the battery 403 is charged, the battery 403 directly supplies power to the main circuit board 401 through the auxiliary circuit board 402, and compared with the prior art in which the battery is connected to the main circuit board through a connector to supply power to the main circuit board, the use of the connector between the battery and the main circuit board is reduced, the on-resistance of a channel is reduced, the heat generation is reduced, and the service life and the safety of the battery are improved.
Specifically, the battery is composed of a battery core and a battery protection circuit, and in the prior art, the battery protection circuit is usually attached to the battery core, and the battery core and the battery protection circuit are integrally packaged to form the battery. The battery formed by packaging is connected with the main circuit board through the connecting device, so that the connecting device in the charging process is added, the resistance of the whole charging circuit is larger, and the heat productivity is relatively larger. Meanwhile, because the battery protection circuit can generate heat in the charging process, the emitted heat can directly influence the temperature of the battery cell tightly attached to the battery cell, and therefore the service life and the safety of the battery cell are easily influenced.
In order to reduce connecting devices in the charging process, the resistance of the charging circuit is reduced, and meanwhile, the influence of heat emitted by the battery protection circuit on the battery core is reduced.
Specifically, the battery formed by integral packaging is disassembled, so that the battery is only a battery cell, the battery cell 4031 in the battery 403 is separated from the battery protection circuit 4032, the battery protection circuit 4032 is arranged on the auxiliary circuit board 402, the positive electrode of the battery cell 4031 is directly welded on the auxiliary circuit board 402, and the negative electrode of the battery cell 4031 is directly welded on the auxiliary circuit board 402; and the cell 4031 is inserted into the battery protection circuit 4032 by being soldered to the positive electrode of the auxiliary circuit board 102 and to the negative electrode of the auxiliary circuit board 402. The positive electrode and the negative electrode of the battery cell 403 are directly welded on the auxiliary circuit board 402, so that connecting devices between the battery cell 403 and the main circuit board 401 are reduced, the resistance in the charging process is reduced, and meanwhile, in the charging process, the physical isolation between the battery cell 4031 and the battery protection circuit 4032 is realized, so that the influence of heat emitted by the battery protection circuit 4032 on the battery cell 4031 is reduced, and the influence on the service life and the safety of the battery cell is reduced.
A charging interface 404; the charging interface 404 is connected with the auxiliary circuit board 402, and the charging interface 404 is used for connecting a power adapter; wherein, the charging interface 304 belongs to the entity interface;
in the charging process, the charging is completed by connecting an external power adapter with a charging interface 404 on the smart phone, wherein the charging interface 404 is an entity interface, and can be a Micro USB interface, a type-c interface or a proprietary interface.
A charging assembly; the charging assembly comprises M charging circuits, wherein the M charging circuits are only standard charging circuits 4011, and the N charging circuits comprise quick charging circuits 4021; the charging component provides a first charging mode for charging the battery 403 when the charging interface 404 is connected with the adapter or provides a second charging mode different from the first charging mode for charging the battery 403 when the charging interface 404 is connected with the adapter.
The first charging mode is that when the charging component is connected to the adapter at the charging interface 404, a standard charging mode is provided for the battery through the standard charging circuit 4011 arranged on the main circuit board 401.
The second charging mode is that when the charging component is connected to the adapter at the charging interface 404, a fast charging mode is provided for the battery through the fast charging circuit 4021 arranged on the auxiliary circuit board 402.
Specifically, on the basis of the third embodiment, an electronic device is further disclosed, as shown in fig. 5.
Specifically, the electronic device includes:
the charging circuit comprises a main circuit board 501, wherein M charging circuits are distributed on the main circuit board 501, and M is zero;
an auxiliary circuit board 502; the auxiliary circuit board 502 is used for connecting a physical interface of the electronic device, the auxiliary circuit board 502 is provided with N charging circuits, and N is a positive integer greater than or equal to 1; the N charging circuits include a standard charging circuit 5021, a fast charging circuit 5022 and a judgment circuit 5023, and the fast charging circuit 5022 includes an acceleration circuit 50221; the standard charging circuit 5021 and the fast charging circuit 5022 are parallel circuits;
in this embodiment, the charging circuit is not arranged on the main circuit board 501, and only the charging circuit is arranged on the auxiliary circuit board 502. In order to implement multiple charging modes on the auxiliary circuit board 502, the charging circuit arranged on the auxiliary circuit board 502 includes a standard charging circuit 5021 and a fast charging circuit 5022, the standard charging can be implemented through the standard charging circuit 5021, and the fast charging can be implemented through the fast charging circuit 5022. Meanwhile, the fast charging circuit 5022 comprises an accelerating circuit 50221, and charging current is improved through the accelerating circuit 50221, so that charging is faster, and user experience is better.
A battery 503; the battery supplies power to the main circuit board 501 through the auxiliary circuit board 502;
the battery 503 in the smartphone is composed of an electric core and a protection circuit. After the battery 503 is charged, the battery 503 directly supplies power to the main circuit board 501 through the auxiliary circuit board 502, and compared with the mode that the battery is connected to the main circuit board through a connector to supply power to the main circuit board in the prior art, the use of the connector between the battery and the main circuit board is reduced, the on-resistance of a channel is reduced, the heat generation is reduced, and the service life and the safety of the battery are improved.
Specifically, the battery is composed of a battery core and a battery protection circuit, and in the prior art, the battery protection circuit is usually attached to the battery core, and the battery core and the battery protection circuit are integrally packaged to form the battery. The battery formed by packaging is connected with the main circuit board through the connecting device, so that the connecting device in the charging process is added, the resistance of the whole charging circuit is larger, and the heat productivity is relatively larger. Meanwhile, because the battery protection circuit can generate heat in the charging process, the emitted heat can directly influence the temperature of the battery cell tightly attached to the battery cell, and therefore the service life and the safety of the battery cell are easily influenced.
In order to reduce connecting devices in the charging process, the resistance of the charging circuit is reduced, and meanwhile, the influence of heat emitted by the battery protection circuit on the battery core is reduced.
Specifically, the integrally packaged battery is disassembled to make the battery only be a battery cell, the battery cell 5031 and the battery protection circuit 5032 in the battery 503 are separated, the battery protection circuit 5032 is arranged on the auxiliary circuit board 502, the positive electrode of the battery cell 5031 is directly welded on the auxiliary circuit board 502, and the negative electrode of the battery cell 5031 is directly welded on the auxiliary circuit board 502; and the battery core 5031 is inserted into the battery protection circuit 5032 through a positive electrode soldered to the auxiliary circuit board 502 and a negative electrode soldered to the auxiliary circuit board 502. By directly welding the positive electrode and the negative electrode of the battery core 503 on the auxiliary circuit board 502, connection devices between the battery core 503 and the main circuit board 501 are reduced, the resistance in the charging process is reduced, and meanwhile, in the charging process, the battery core 5031 and the battery protection circuit 5032 are physically isolated, so that the influence of heat emitted by the battery protection circuit 5032 on the battery core 5031 is reduced, and the influence on the service life and safety of the battery core is reduced.
A charging interface 504; the charging interface 504 is connected with the auxiliary circuit board 502, and the charging interface 504 is used for connecting a power adapter; wherein, the charging interface 504 belongs to an entity interface;
in the charging process, the charging is completed by connecting an external power adapter with a charging interface 504 on the smart phone, wherein the charging interface 504 is an entity interface, and can be a Micro USB interface, a type-c interface or a proprietary interface.
A charging assembly; the charging assembly comprises N charging circuits, each of the N charging circuits further comprises a judging circuit 5023, and the judging circuit 5023 is used for judging whether a charging current provided by an adapter connected to the charging interface is larger than a threshold value or not, wherein the charging current is provided for the battery through the standard charging circuit when the charging current is smaller than the threshold value, so that the battery is charged according to the first charging mode; and when the charging current is larger than the threshold value, the charging current is supplied to the battery through the quick charging circuit, so that the battery is charged according to the second charging mode.
The first charging mode is that when the charging component is connected to the adapter at the charging interface 504, a standard charging mode is provided for the battery through the standard charging circuit 5021 arranged on the auxiliary circuit board 502.
The second charging mode is that when the charging component is connected to the adapter at the charging interface 504, a fast charging mode is provided for the battery through the fast charging circuit 5022 arranged on the auxiliary circuit board 502.
It should be noted that, the determination circuit 5023 determines the charging current provided by the adapter connected to the charging interface to select whether to adopt the standard charging mode or the fast charging mode. It will be understood by those skilled in the art that the determination circuit is not limited to the determination of the charging current provided by the adapter connected to the charging interface, as long as the selection of the standard charging mode or the fast charging mode can be achieved.
Specifically, on the basis of the fourth embodiment, an electronic device is further disclosed, as shown in fig. 6.
Specifically, the electronic device includes:
the charging circuit comprises a main circuit board 601, wherein the main circuit board 601 is provided with M charging circuits, and the M charging circuits are only standard charging circuits 6011;
an auxiliary circuit board 602; the auxiliary circuit board 602 is used for connecting a physical interface of the electronic device, the auxiliary circuit board 602 is provided with N charging circuits, and N is a positive integer greater than or equal to 1; the N charging circuits comprise a quick charging circuit 6021 and a judgment circuit 6022, and the quick charging circuit 6021 comprises an acceleration circuit 60211;
in this embodiment, the charging circuit arranged on the main circuit board 601 is only the standard charging circuit 6011, and the charging circuit arranged on the auxiliary circuit board 602 includes the fast charging circuit 46022. The standard charging can be realized by the standard charging circuit 6011, and the quick charging can be realized by the quick charging circuit 6021. Meanwhile, the fast charging circuit 6021 comprises an acceleration circuit 60211, and the charging current is increased through an acceleration circuit 60211, so that the charging is faster, and the user experience is better.
A battery 603; the battery supplies power to the main circuit board 601 through the auxiliary circuit board 602;
the battery 603 in the smart phone is composed of a battery core and a protection circuit. After the battery 603 is charged, the battery 603 directly supplies power to the main circuit board 601 through the auxiliary circuit board 602, and compared with the mode that the battery is connected to the main circuit board through the connector to supply power to the main circuit board in the prior art, the use of the connector between the battery and the main circuit board is reduced, the on-resistance of a channel is reduced, the heat generation is reduced, and the service life and the safety of the battery are improved.
Specifically, the battery is composed of a battery core and a battery protection circuit, and in the prior art, the battery protection circuit is usually attached to the battery core, and the battery core and the battery protection circuit are integrally packaged to form the battery. The battery formed by packaging is connected with the main circuit board through the connecting device, so that the connecting device in the charging process is added, the resistance of the whole charging circuit is larger, and the heat productivity is relatively larger. Meanwhile, because the battery protection circuit can generate heat in the charging process, the emitted heat can directly influence the temperature of the battery cell tightly attached to the battery cell, and therefore the service life and the safety of the battery cell are easily influenced.
In order to reduce connecting devices in the charging process, the resistance of the charging circuit is reduced, and meanwhile, the influence of heat emitted by the battery protection circuit on the battery core is reduced.
Specifically, the battery formed by integral packaging is disassembled, so that the battery is only a battery cell, the battery cell 6031 and the battery protection circuit 6032 in the battery 603 are separated, the battery protection circuit 6032 is arranged on the auxiliary circuit board 602, the positive electrode of the battery cell 6031 is directly welded on the auxiliary circuit board 602, and the negative electrode of the battery cell 6031 is directly welded on the auxiliary circuit board 602; and the battery cell 6031 is connected to the battery protection circuit 6032 by a positive electrode soldered to the auxiliary circuit board 602 and a negative electrode soldered to the auxiliary circuit board 602. Through with the anodal and negative pole beading of electric core 603 on auxiliary circuit board 602, reduced the connecting device between electric core 603 and the main circuit board 601, reduced the resistance in the charging process, simultaneously, at the in-process that charges, realized keeping apart electric core 6031 and battery protection circuit 6032's physics to reduced the influence of the heat that battery protection circuit 6032 gived off to electric core 1031, reduced the influence that causes life-span and the safety of electric core.
A charging interface 604; the charging interface 604 is connected with the auxiliary circuit board 602, and the charging interface 604 is used for connecting a power adapter; wherein, the charging interface 604 belongs to the entity interface;
in the charging process, the charging is completed by connecting an external power adapter with a charging interface 604 on the smart phone, wherein the charging interface 604 is an entity interface, and can be a Micro USB interface, a type-c interface or a proprietary interface.
A charging assembly; the charging assembly comprises M charging circuits, wherein the M charging circuits are only standard charging circuits 6011, and the N charging circuits comprise quick charging circuits 6021; the N charging circuits further comprise a judging circuit 6022, wherein the judging circuit 6022 is used for judging whether the charging current provided by the adapter connected to the charging interface is larger than a threshold value, and when the charging current is smaller than the threshold value, the charging current is provided to the battery through the standard charging circuit, so that the battery is charged according to the first charging mode; and when the charging current is larger than the threshold value, the charging current is supplied to the battery through the quick charging circuit, so that the battery is charged according to the second charging mode.
The first charging mode is that when the charging component is connected to the adapter through the charging interface 604, the standard charging circuit 6011 arranged on the main circuit board 601 provides a standard charging mode for the battery.
The second charging mode is that when the charging component is connected to the adapter at the charging interface 604, the quick charging mode is provided for the battery through the quick charging circuit 6021 arranged on the auxiliary circuit board 602.
It should be noted that, the determination circuit 6022 determines the charging current provided by the adapter connected to the charging interface to select the standard charging mode or the fast charging mode, which is only one implementation manner. It will be understood by those skilled in the art that the determination circuit is not limited to the determination of the charging current provided by the adapter connected to the charging interface, as long as the selection of the standard charging mode or the fast charging mode can be achieved.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An electronic device, characterized in that the electronic device comprises:
a main circuit board; the main circuit board is provided with M charging circuits, and M is an integer larger than or equal to 0;
an auxiliary circuit board; the auxiliary circuit board is used for connecting an entity interface of the electronic equipment, the auxiliary circuit board is provided with N charging circuits, and N is a positive integer larger than or equal to 1;
a battery; the battery supplies power to the main circuit board through the auxiliary circuit board; a charging interface; the charging interface is connected with the auxiliary circuit board and is used for connecting a power adapter; wherein the charging interface belongs to the entity interface; the battery can supply power to the main circuit board through the auxiliary circuit board after charging is completed;
a charging assembly; the charging assembly comprises the M charging circuits and the N charging circuits, and M is less than or equal to N; the charging assembly provides a first charging mode for the battery to charge when the charging interface is connected with the adapter or provides a second charging mode different from the first charging mode for the battery to charge when the charging interface is connected with the adapter.
2. The electronic device of claim 1, wherein the battery is only a battery cell, a battery protection circuit is arranged on the auxiliary circuit board, and a positive electrode of the battery cell is directly welded on the auxiliary circuit board; the negative electrode of the battery cell is directly welded on the auxiliary circuit board; and the battery core is connected into the battery protection circuit through the anode welded on the auxiliary circuit board and the cathode welded on the auxiliary circuit board.
3. The electronic device according to claim 1 or 2, wherein the charging interface supplies the charging current supplied from the adapter to the battery through the N charging circuits arranged on the auxiliary circuit board to charge the battery.
4. The electronic device of claim 3, wherein the auxiliary circuit board arrangement N charging circuits comprises at least a fast charging circuit.
5. The electronic device of claim 4, wherein the M charging circuits of the main circuit board arrangement are zero, and the N charging circuits of the auxiliary circuit board arrangement comprise a standard charging circuit and a fast charging circuit; the standard charging circuit and the quick charging circuit are parallel circuits.
6. The electronic device of claim 4, wherein the M charging circuits of the main circuit board arrangement are only standard charging circuits, and the N charging circuits of the auxiliary circuit board arrangement comprise fast charging circuits.
7. The electronic device according to claim 5 or 6, wherein the auxiliary circuit board is arranged with N charging circuits, and further comprises a judging circuit for judging whether a charging current provided by an adapter connected to the charging interface is greater than a threshold value, wherein the charging current is provided to the battery through the standard charging circuit when the charging current is less than the threshold value, so that the battery is charged in the first charging mode; and when the charging current is larger than the threshold value, the charging current is provided for the battery through the quick charging circuit, so that the battery is charged according to the second charging mode.
8. The electronic device of claim 4, wherein the main circuit board is disposed at a first end of a housing of the electronic device, and the auxiliary circuit board is disposed at a second end of the housing of the electronic device different from the first end, so as to reduce an influence of heat generated when the battery is charged according to the second charging manner on components of the main circuit board for implementing any function of the electronic device other than the charging function.
9. The electronic device of claim 4, wherein the distance between the auxiliary circuit board and the charging interface is smaller than the distance between the main circuit board and the charging interface, and only the battery which is a battery cell is directly connected to the auxiliary circuit board through a positive electrode welded on the auxiliary circuit board and a negative electrode welded on the auxiliary circuit board, so that a path for fast charging is connected in a simplest manner.
10. The electronic device of claim 7, wherein the fast charge circuit further comprises an acceleration circuit configured to increase the charging current.
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| CN201610476302.5A CN106169787B (en) | 2016-09-21 | 2016-09-21 | Electronic equipment |
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| CN201610476302.5A CN106169787B (en) | 2016-09-21 | 2016-09-21 | Electronic equipment |
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| CN111725572A (en) | 2019-03-18 | 2020-09-29 | 东莞新能德科技有限公司 | Electronic device |
| CN112398186B (en) * | 2019-08-16 | 2023-01-03 | Oppo广东移动通信有限公司 | Charging circuit, charging chip, terminal and circuit control method |
| CN111082493B (en) * | 2019-12-31 | 2024-05-24 | Oppo广东移动通信有限公司 | Terminal Equipment |
| CN113394471B (en) * | 2020-03-13 | 2023-05-02 | 北京小米移动软件有限公司 | Charging method and device, electronic equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE602004024660D1 (en) * | 2004-02-25 | 2010-01-28 | Techno Core Internat Co Ltd | CHARGER FOR A SECONDARY BATTERY |
| CN104377781A (en) * | 2014-11-27 | 2015-02-25 | 上海芯导电子科技有限公司 | Adapter, charging system comprising same and charging method using same |
| CN204497772U (en) * | 2015-02-05 | 2015-07-22 | 爱国者电子科技有限公司 | A kind of portable power source Apparatus and system of quick electric power storage |
| CN204861173U (en) * | 2015-07-11 | 2015-12-16 | 深圳市佳都实业发展有限公司 | Electron cigarette with portable power source |
| CN105896679B (en) * | 2016-05-31 | 2019-04-19 | 合肥联宝信息技术有限公司 | A kind of charge control method and the electronic equipment using this method |
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