CN112018830B - Charging and discharging system and mobile terminal - Google Patents
Charging and discharging system and mobile terminal Download PDFInfo
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- CN112018830B CN112018830B CN201910451902.XA CN201910451902A CN112018830B CN 112018830 B CN112018830 B CN 112018830B CN 201910451902 A CN201910451902 A CN 201910451902A CN 112018830 B CN112018830 B CN 112018830B
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- charging
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- protection plate
- discharging
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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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The embodiment of the application discloses charge-discharge system and mobile terminal, wherein, charge-discharge system includes: at least two batteries and a protective plate; wherein the at least two batteries are connected in series based on the protection board; the first end of the protection board is electrically connected with a charging port of the mobile terminal, the second end of the protection board is electrically connected with a main board of the mobile terminal, and the first current path length between the first end and the charging port is smaller than the second current path length between the second end and the charging port. This application embodiment is through adopting above-mentioned technical scheme, through being close to the first end of the mouth that charges with the protection shield and mouthful electricity is connected with charging, guarantees the charging process, and the electric current that the mouth that charges received gets into the circuit of protection shield with minimum current path length, and is corresponding, reduces the heat that produces among the current transmission process, avoids the influence to charging current and charging speed when the heat is big, has improved mobile terminal's charge efficiency.
Description
Technical Field
The embodiment of the application relates to the technical field of mobile terminals, in particular to a charging and discharging system and a mobile terminal.
Background
With the continuous development of mobile terminals, the mobile terminals are widely accepted by users, and accordingly, the requirements of the users on the movement are higher and higher.
The charging and discharging process is an important process in the application process of the mobile terminal, wherein the charging amount and the charging heat are important factors for measuring the charging and discharging process. In the related art, the single-core mode applied by a large number of mobile terminals cannot meet the requirement of a large number of users on electric quantity, and in order to solve the problem, the number of the electric cores in the mobile terminal is increased.
Disclosure of Invention
The embodiment of the application provides a charging and discharging system and a mobile terminal, and the heating amount in the charging process is reduced.
In a first aspect, an embodiment of the present application provides a charging and discharging system, which is disposed in a mobile terminal, and includes: at least two batteries and a protective plate; wherein the content of the first and second substances,
the at least two batteries are connected in series based on the protection board;
the first end of the protection board is electrically connected with a charging port of the mobile terminal, the second end of the protection board is electrically connected with a main board of the mobile terminal, and the first current path length of the first end and the charging port is smaller than the second current path length of the second end and the charging port.
In a second aspect, an embodiment of the present application provides a mobile terminal, which includes the charge and discharge system provided in the embodiment of the present application.
The technical scheme that provides in the embodiment of this application, through with the protection shield be close to the first end of the mouth that charges with charge mouthful electricity and be connected, guarantee the charging process, the electric current that the mouth that charges received gets into the circuit of protection shield with minimum current path length, it is corresponding, reduce the heat that produces among the current transmission process, avoid the heat when big enough to charging current and charge speed's influence, improved mobile terminal's charge efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a charging and discharging system according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of another charge and discharge system provided in the embodiment of the present application;
fig. 3 is a schematic structural view of another charge and discharge system provided in an embodiment of the present application;
fig. 4 is a schematic structural diagram of another charge and discharge system provided in the embodiment of the present application;
fig. 5 is a schematic structural diagram of another charge and discharge system provided in the embodiment of the present application;
fig. 6 is a schematic structural diagram of another charge and discharge system provided in the embodiment of the present application;
fig. 7 is a schematic structural diagram of another charge and discharge system provided in the embodiment of the present application;
fig. 8 is a schematic structural view of another charge and discharge system provided in an embodiment of the present application;
fig. 9 is a schematic structural diagram of a mobile terminal according to an embodiment of the present application;
fig. 10 is a schematic structural diagram of another mobile terminal according to an embodiment of the present application.
Detailed Description
The technical scheme of the application is further explained by the specific implementation mode in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures.
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the steps as a sequential process, many of the steps can be performed in parallel, concurrently or simultaneously. In addition, the order of the steps may be rearranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, subprograms, and the like.
Fig. 1 is a schematic structural diagram of a charging and discharging system provided in an embodiment of the present application, wherein the charging and discharging system is disposed in a mobile terminal and includes at least two batteries 110 and a protection plate 120; wherein at least two batteries 110 are connected in series based on the protection board 120; a first end of the protection plate 120 is electrically connected to a charging port of the mobile terminal, and a second end of the protection plate 120 is electrically connected to a main board of the mobile terminal, wherein a first current path length between the first end and the charging port is smaller than a second current path length between the second end and the charging port.
The storable electric quantity of the mobile terminal is increased by arranging more than two batteries so as to improve the standby time of the mobile terminal. The protection plate is an integrated circuit board for protecting the batteries, in this embodiment, the protection plate 120 further connects at least two batteries 110 in series on the basis of protecting the rechargeable batteries 110, specifically, a tab of each battery 110 may be electrically connected to the protection plate 120, where an electrical positive interface is connected to a negative interface of another battery, so as to connect the two batteries in series. Similarly, when the number of the batteries is multiple, the serial connection of multiple batteries can be realized by communicating the positive and negative electrode interfaces of two adjacent batteries. Fig. 1 is a schematic structural diagram of a charging and discharging system including two batteries, and in some embodiments, more than two batteries may be provided according to a requirement of a mobile terminal for storage capacity. For example, referring to fig. 2, fig. 2 is a schematic structural diagram of another charge and discharge system provided in an embodiment of the present application, where fig. 2 includes four batteries, and a connection manner between the batteries and a protection plate is as above, and is not described herein again, where fig. 2 is only an implementable manner, and in other embodiments, other numbers of batteries may also be included.
B2B interfaces are respectively disposed at two ends of the protection board 120, wherein the B2B interface at the first end of the protection board 120 is electrically connected to a charging port of the mobile terminal, wherein the charging port is used for connecting to an adapter of the mobile terminal, receiving a charging current transmitted by the adapter, and charging the battery. The B2B interface at the second end of the protection board 120 is electrically connected to the main board of the mobile terminal, and is used for supplying power to the main board to ensure the normal operation of the mobile terminal.
In the present embodiment, a first current path length between the first end of the protection plate 120 and the charging port is smaller than a second current path length between the second end of the protection plate 120 and the charging port, where the current path length is a path length through which current passes, and for example, the first current path length may be a conducting line length between the B2B interface of the first end of the protection plate 120 and the charging port, and the second current path length is a conducting line length between the B2B interface of the second end and the charging port. The heating power in the current path due to the current is I 2 R, the greater the current path length, the greater the amount of heat generated. The charging and discharging system in the embodiment is electrically connected with the charging port through the first end of the protection board 120 close to the charging port, so that in the charging process, the current received by the charging port enters the circuit of the protection board with the minimum current path length, correspondingly, the heat generated in the current transmission process is reduced, the influence on the charging current and the charging speed when the heat is large is avoided, and the charging efficiency of the mobile terminal is improved.
Optionally, the setting position and the setting direction of the protection plate are related to the position of the charging port, and specifically, one end of the protection plate, which is electrically connected to the charging port, corresponds to the position of the charging port. When the charging port is located at the bottom side of the mobile terminal, the protection plate 120 is disposed in a direction perpendicular to the bottom side of the mobile terminal, and at least two batteries 110 are disposed at both sides of the protection plate 120. Referring to fig. 1 and 2, the charging port is located at the center of the bottom side of the mobile terminal, the arrangement direction of the protection plate 120 is perpendicular to the bottom side of the mobile terminal and corresponds to the position of the charging port, and the at least two batteries 110 are arranged at two sides of the protection plate 120, so that the minimum length of a current path of a current is ensured, and heat generated in the current transmission process in the charging process is reduced. When the charging port is located at a side of the mobile terminal, the arrangement direction of the protection plate 120 is perpendicular to the side of the mobile terminal, and the at least two batteries 110 are arranged at two sides of the protection plate 120, or the at least two batteries 110 are arranged at the same side of the protection plate 120. Exemplarily, referring to fig. 3 and fig. 4, fig. 3 and fig. 4 are schematic structural diagrams of a charging and discharging system provided in an embodiment of the present application, respectively. In fig. 3, the charging port is located at the middle or lower position of the side of the mobile terminal, the protection plate 120 is disposed perpendicular to the side of the mobile terminal and corresponds to the charging port, and at least two batteries 110 are disposed at both sides of the protection plate 120. In fig. 4, the charging port is located at an upper position of a side edge of the mobile terminal, the protection plate 120 is disposed in a direction perpendicular to the side edge of the mobile terminal and corresponds to the charging port, and the at least two batteries 110 are disposed at the same side of the protection plate 120. Optionally, when the setting position of the protection plate 120 is determined, the overall distribution of the charge and discharge system is preferentially considered, and the setting position of the protection plate 120 may be within a preset range of the position of the charging port, and the first end of the protection plate 120 and the charging port may be connected through a lead wire with a preset length. It should be noted that the relative position of the battery 110 and the protection plate 120 is determined according to the position of the charging port and the overall layout. In other embodiments, the position of the charging port may also be on the left side of the mobile terminal, and correspondingly, the arrangement direction of the protection board 120 is rotated by 180 degrees, so as to ensure that the path length of the current received by the charging port is the shortest in the charging process, which is not described herein again.
The protection plate 120 includes a charging main line 121 and a discharging main line 122, wherein the charging main line 121 of the protection plate 120 is electrically connected with a positive electrode of a serial head battery, a negative electrode of the serial head battery is electrically connected with a positive electrode of a next serial battery based on the protection plate, and the charging main line 121 of the protection plate 120 is electrically connected with a charging port; the positive electrode of the serial terminal battery is electrically connected to the negative electrode of the previous serial terminal battery based on the protection plate, and the negative electrode of the serial terminal battery is electrically connected to the discharge main line of the protection plate, wherein the discharge main line 122 of the protection plate is electrically connected to the main board. For example, referring to fig. 5, 6 and 7, fig. 5, 6 and 7 are schematic structural diagrams of a charging and discharging system provided in the embodiments of the present application. Wherein the charge and discharge system of fig. 5, 6 and 7 includes two batteries, which are merely exemplary illustrations. In fig. 5 and 6, a first battery 111 and a second battery 112 are disposed at two sides of the protection plate, wherein the first battery 111 is a serial head end battery, the second battery 112 is a serial tail end battery, a first end of the charging main line 121 is electrically connected to the charging port, a second end is electrically connected to a positive electrode of the first battery 111, a negative electrode of the first battery 111 is electrically connected to a first interface of the protection plate, a positive electrode of the second battery 112 is electrically connected to a second interface of the protection plate, the first interface of the protection plate is communicated with the second interface, so that the negative electrode of the first battery 111 is electrically connected to the positive electrode of the second battery 112, and the negative electrode of the second battery 112 is electrically connected to the discharging main line 122, thereby forming a serial connection of the first battery 111 and the second battery 112. In fig. 7, the first battery 111 and the second battery 112 are disposed on the same side of the protection plate, wherein the series connection principle of the first battery 111 and the second battery 112 is the same, and the description thereof is omitted.
When the number of the batteries is greater than 2, the first end of the charging main line 121 is electrically connected with the charging port, the second end of the charging main line is electrically connected with the anode of the first battery, the cathode of the first battery is electrically connected with the anode of the second battery based on the protection plate, the cathode of the second battery is electrically connected with the anode of the third battery based on the protection plate, and so on, until the cathode of the last first battery in series connection is electrically connected with the discharging main line 122, so that series connection of multiple batteries is formed, wherein the first battery, the second battery, the third battery and the like are sequentially connected in series. In the charging process, the current received by the charging port is input to the first battery through the charging main line 121, and is sequentially transmitted to other batteries connected in series, such as the second battery, the third battery, and the like, according to the series relation.
In this embodiment, the directions of the positive and negative electrodes of the batteries are not limited, wherein the directions of the positive and negative electrodes of at least two batteries may be the same or different, for example, see fig. 5 and 6. Optionally, a third current path length between the positive electrode of the series-connection head-end battery and the charging port is smaller than a fourth current path length between the negative electrode of the series-connection head-end battery and the charging port, that is, the positive electrode of the series-connection head-end battery is close to the charging port. The smaller the length of a current path between the charging port and the anode of the series head end battery is, the smaller the heat generated by the current path in the charging process is, and when the anode of the series head end battery is close to the charging port, the minimum heat generated by the current path can be ensured, so that the heat generated in the charging process is further reduced.
Optionally, the directions of the positive and negative electrodes of the two batteries disposed at the corresponding positions on the two sides of the protection plate are opposite, for example, referring to fig. 5 and 6, in fig. 5 (the directions of the positive and negative electrodes of the two batteries disposed at the corresponding positions are opposite), the length of the current path between the negative electrode 111 of the first battery and the positive electrode of the second battery 112 is smaller than that in fig. 6 (the directions of the positive and negative electrodes of the two batteries disposed at the corresponding positions are the same), that is, the length of the current path between the negative electrode 111 of the first battery and the positive electrode of the second battery 112 is reduced by opposite directions of the positive and negative electrodes of the two batteries disposed at the corresponding positions on the two sides of the protection plate, and further, the heat generated in the current path connecting the two batteries in series can be reduced.
The charging and discharging system provided by this embodiment, through setting up direction and the position of setting up according to the mouth position determination protection shield that charges, guarantee to charge the mouth and protect the minimum current path length between the shield interface, furthermore, set up the positive pole direction of the head end battery of establishing ties to be close to the mouth that charges, and the positive negative pole opposite direction of two batteries that set up in the corresponding position in protection shield both sides, in order to reduce the current path length between the mouth that charges and the positive pole of the head end battery of establishing ties, and the series path length between the adjacent series battery, further reduce the heat that produces at above-mentioned circuit path in the charging process, reduce the influence of heat production to charging speed in the charging process.
On the basis of the above embodiments, referring to fig. 8, fig. 8 is a schematic structural diagram of another charge and discharge system provided in the embodiments of the present application. The charging and discharging system further comprises an MCU controller 130, wherein the MCU controller 130 is respectively electrically connected with the charging main line 121 and the paying-off main line 122; the MCU controller 130 is configured to detect a charging state of the battery when the system of the mobile terminal is in an operating state, and determine a power supply mode of the motherboard according to the charging state of the battery. The MCU controller 130 may detect whether there is current in the charging main line 121 to determine the charging state of the battery, determine that the battery is in the charging state if there is current in the charging main line 121, and determine that the battery is not in the charging state if there is no current in the charging main line 121. The MCU controller 130 is configured to: when the battery is in a charging state, controlling the current received by the charging port to supply power to the main board through the charging main line 121, wherein the charging main line 121 is electrically connected with the main board; when the battery is not in a charging state, the control battery 110 supplies power to the motherboard through the discharge main line 122. When the battery is in a charging state, in order to avoid that the battery is in a charging state and a discharging state at the same time, the current received by the charging port is shunted, wherein a part of the current is used for supplying power to the motherboard, a part of the current is used for charging the battery, and the current used for supplying power to the motherboard is determined by the MCU controller 130, which may be a fixed supply current of the motherboard, for example, 1A. It should be noted that the fixed power supply current of the motherboard is smaller than the current received by the charging port, and accordingly, the residual current except the fixed power supply current of the motherboard is used for charging the battery, so that the loss of the battery is reduced, and the service life of the battery is prolonged.
It should be noted that the MCU controller 130 may also be disposed on a motherboard as a system controller of the mobile terminal, and the control function of the charging/discharging system is integrated on the system controller on the motherboard instead of disposing an independent MCU controller, so as to save cost and reduce space occupation on the integrated circuit.
On the basis of the above embodiment, the protection plate 120 further includes at least one of a temperature detection module, a current detection module, a voltage detection module, and a short circuit detection module; the temperature detection module is used for detecting the heating temperature in the charging and discharging process, and when the heating temperature is higher than a preset temperature, the charging and discharging current is reduced or the charging and discharging are stopped; the current detection module is used for detecting current in the charging and discharging process, and when the current is larger than preset current, the charging and discharging current is reduced or the charging and discharging are stopped; the voltage detection module is used for detecting the voltage in the charging and discharging process, and when the voltage is greater than the preset voltage, the charging and discharging current is reduced or the charging and discharging is stopped; the short circuit detection module is used for detecting whether a short circuit element exists in the charging and discharging process, and if yes, the charging and discharging are stopped. Preferably, the protection board 120 includes a temperature detection module, a current detection module, a voltage detection module, and a short detection module. The module protects the battery in the charging and discharging process, and avoids the damage to the battery when the temperature, the current and the voltage are too large or short-circuit phenomenon exists. It should be noted that, in this embodiment, the arrangement positions of the temperature detection module, the current detection module, the voltage detection module, and the short circuit detection module are not limited as long as the battery protection function can be achieved.
Referring to fig. 9, fig. 9 is a schematic structural diagram of a mobile terminal according to an embodiment of the present application, and referring to fig. 9, the mobile terminal includes a charging and discharging system 900, a main board 910, and a charging port 920 according to any of the embodiments described above. The charging and discharging system 900 is matched with the charging port 920 in position, so that the length of a current channel in the charging process is minimum, heat generated in the charging process is reduced, and the influence of the generated heat on the charging speed is further reduced.
Referring to fig. 10, fig. 10 is a schematic structural diagram of another mobile terminal according to an embodiment of the present application, in which in fig. 10, a charging port 920 is disposed at a bottom of the mobile terminal, and a charging and discharging system 900 includes two batteries connected in series. The arrangement direction of the protection plate 120 of the charging and discharging system 900 is perpendicular to the bottom side of the mobile terminal, the arrangement position of the protection plate 120 of the charging and discharging system 900 corresponds to the position of the charging port 920, the positive electrode direction of the first battery 111 connected with the charging main line 121 is close to the charging port 920, and the positive electrode directions of the first battery 111 and the second battery 112 are opposite. The MCU controller 130 of the charging and discharging system 900 controls the current received by the charging port 920 to supply power to the motherboard 910 through the charging main line 121 in a charging state, and controls the batteries (111 and 112) to supply power to the motherboard 920 through the discharging main line 122 in a non-charging state.
It is to be noted that the foregoing is only illustrative of the presently preferred embodiments and application of the principles of the present invention. It will be understood by those skilled in the art that the present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the application. Therefore, although the present application has been described in more detail with reference to the above embodiments, the present application is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present application, and the scope of the present application is determined by the scope of the appended claims.
Claims (10)
1. The utility model provides a charge-discharge system, sets up in mobile terminal, its characterized in that includes: at least two batteries and a protective plate; wherein the content of the first and second substances,
the at least two batteries are connected in series based on the protection board;
a first end of the protection board is electrically connected with a charging port of the mobile terminal, a second end of the protection board is electrically connected with a main board of the mobile terminal, wherein a first current path length between the first end and the charging port is smaller than a second current path length between the second end and the charging port;
the first end is used for charging a battery, and the second end is used for supplying power to the mainboard;
the setting position and the setting direction of the protection plate are related to the position of the charging port, wherein one end, used for being electrically connected with the charging port, of the protection plate corresponds to the position of the charging port.
2. The charge and discharge system according to claim 1, wherein the charge main line of the protection plate is electrically connected to a positive electrode of a serial head end battery, a negative electrode of the serial head end battery is electrically connected to a positive electrode of a next serial battery based on the protection plate, wherein the charge main line of the protection plate is electrically connected to the charge port;
the positive electrode of the series-end battery is electrically connected with the negative electrode of the last series-end battery based on the protection plate, the negative electrode of the series-end battery is electrically connected with the discharge main line of the protection plate, and the discharge main line of the protection plate is electrically connected with the main board.
3. The charging and discharging system according to claim 2, wherein a third current path length of the positive electrode of the series-head end battery and the charging port is smaller than a fourth current path length of the negative electrode of the series-head end battery and the charging port.
4. The charging and discharging system according to any one of claims 1 to 3, wherein the protection plate is disposed in a direction perpendicular to a bottom side of the mobile terminal when the charging port is located at the bottom side of the mobile terminal, and the at least two batteries are disposed at both sides of the protection plate.
5. The charging and discharging system according to claim 4, wherein the two batteries provided at the corresponding positions on both sides of the protection plate have opposite positive and negative polarities.
6. The charging and discharging system according to any one of claims 1 to 3, wherein when the charging port is located at a side of the mobile terminal, the protection plate is disposed in a direction perpendicular to the side of the mobile terminal, the at least two batteries are disposed at both sides of the protection plate, or the at least two batteries are disposed at the same side of the protection plate.
7. The charging and discharging system according to claim 2, further comprising an MCU controller electrically connected to the charging main line and the discharging main line, respectively;
the MCU controller is used for detecting the charging state of the battery when the system of the mobile terminal is in the running state, and determining the power supply mode of the mainboard according to the charging state of the battery.
8. The charging and discharging system according to claim 5, wherein the MCU controller is configured to:
when the battery is in a charging state, controlling the current received by the charging port to supply power to the mainboard through the charging main line, wherein the charging main line is electrically connected with the mainboard;
and when the battery is not in a charging state, controlling the battery to supply power to the mainboard through the discharge main line.
9. The charge and discharge system according to claim 1, wherein the protection plate includes at least one of a temperature detection module, a current detection module, a voltage detection module, and a short circuit detection module;
the temperature detection module is used for detecting the heating temperature in the charging and discharging process, and when the heating temperature is higher than a preset temperature, the charging and discharging current is reduced or the charging and discharging are stopped;
the current detection module is used for detecting current in the charging and discharging process, and when the current is larger than preset current, the charging and discharging current is reduced or the charging and discharging are stopped;
the voltage detection module is used for detecting voltage in the charging and discharging process, and when the voltage is greater than preset voltage, the charging and discharging current is reduced or the charging and discharging is stopped;
the short circuit detection module is used for detecting whether a short circuit element exists in the charging and discharging process, and if yes, the charging and discharging are stopped.
10. A mobile terminal characterized by comprising the charge-discharge system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910451902.XA CN112018830B (en) | 2019-05-28 | 2019-05-28 | Charging and discharging system and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910451902.XA CN112018830B (en) | 2019-05-28 | 2019-05-28 | Charging and discharging system and mobile terminal |
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| Publication Number | Publication Date |
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| CN112018830A CN112018830A (en) | 2020-12-01 |
| CN112018830B true CN112018830B (en) | 2022-08-23 |
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| CN201910451902.XA Active CN112018830B (en) | 2019-05-28 | 2019-05-28 | Charging and discharging system and mobile terminal |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3978769B2 (en) * | 2001-12-19 | 2007-09-19 | 株式会社ジーエス・ユアサコーポレーション | Battery set with charger circuit |
| CN201781031U (en) * | 2010-04-29 | 2011-03-30 | 上海比亚迪有限公司 | Flexible packaging battery pack |
| CN102709980A (en) * | 2012-06-07 | 2012-10-03 | 广州益维电动汽车有限公司 | Protective plate for series lithium battery pack based on battery protective chip |
| CN204145000U (en) * | 2014-09-18 | 2015-02-04 | 青岛海信智能商用系统有限公司 | The adjustable charging circuit of charging current and there is the electronic product of this charging circuit |
| CN105656141A (en) * | 2016-02-29 | 2016-06-08 | 宇龙计算机通信科技(深圳)有限公司 | Handheld terminal |
-
2019
- 2019-05-28 CN CN201910451902.XA patent/CN112018830B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3978769B2 (en) * | 2001-12-19 | 2007-09-19 | 株式会社ジーエス・ユアサコーポレーション | Battery set with charger circuit |
| CN201781031U (en) * | 2010-04-29 | 2011-03-30 | 上海比亚迪有限公司 | Flexible packaging battery pack |
| CN102709980A (en) * | 2012-06-07 | 2012-10-03 | 广州益维电动汽车有限公司 | Protective plate for series lithium battery pack based on battery protective chip |
| CN204145000U (en) * | 2014-09-18 | 2015-02-04 | 青岛海信智能商用系统有限公司 | The adjustable charging circuit of charging current and there is the electronic product of this charging circuit |
| CN105656141A (en) * | 2016-02-29 | 2016-06-08 | 宇龙计算机通信科技(深圳)有限公司 | Handheld terminal |
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| CN112018830A (en) | 2020-12-01 |
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