CN108988453B - Mobile terminal - Google Patents
Mobile terminal Download PDFInfo
- Publication number
- CN108988453B CN108988453B CN201810818037.3A CN201810818037A CN108988453B CN 108988453 B CN108988453 B CN 108988453B CN 201810818037 A CN201810818037 A CN 201810818037A CN 108988453 B CN108988453 B CN 108988453B
- Authority
- CN
- China
- Prior art keywords
- battery
- display screen
- circuit
- mobile terminal
- charging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
-
- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass circuits
-
- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0019—Circuits for equalisation of charge between batteries using switched or multiplexed charge circuits
-
- H02J7/0022—
-
- H02J7/0026—
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a mobile terminal, comprising: a first display screen; the second display screen and the third display screen can be arranged in a mutually folded mode, and the second display screen is arranged opposite to the first display screen; the first battery is connected with the first display screen and supplies power to the first display screen; the second battery is connected with the second display screen and the third display screen and supplies power to the second display screen and the third display screen; the first end of the switch circuit is connected with the first battery, and the second end of the switch circuit is connected with the second battery; when the switch circuit is conducted, the first battery is connected with the second battery in parallel. The invention can effectively improve the total battery capacity of the mobile terminal and improve the cruising ability; through the conduction of the switch circuit, the first battery and the second battery are connected in parallel, the mutual charging between the two batteries is realized, and the cruising ability of the mobile terminal is further improved.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to a mobile terminal.
Background
With the continuous development of electronic technology, people have a far greater demand for mobile terminals than other electronic products, and a mobile terminal with foldable multiple screens is a trend of subsequent development.
For a mobile terminal with multiple folding screens, such as a dual-screen mobile terminal or a multi-screen mobile terminal with multiple folding screens, the functions and interests of the mobile terminal will become more and more powerful, and meanwhile, the power consumption requirement of the mobile terminal will also become more and more great. In the prior art, a battery is mostly adopted for supplying power, and when a terminal user carries out high-frequency operation, the power consumption requirement of the mobile terminal is difficult to meet.
Disclosure of Invention
The invention provides a mobile terminal, which aims to solve the problem that a folding multi-screen mobile terminal in the prior art is difficult to meet the power consumption requirement of a user during high-frequency operation.
In order to solve the technical problem, the invention is realized as follows:
an embodiment of the present invention provides a mobile terminal, including:
a first display screen;
the second display screen and the third display screen can be arranged in a mutually folded mode, and the second display screen is arranged opposite to the first display screen;
the first battery is connected with the first display screen and supplies power to the first display screen;
the second battery is connected with the second display screen and the third display screen and supplies power to the second display screen and the third display screen;
the first end of the switch circuit is connected with the first battery, and the second end of the switch circuit is connected with the second battery;
when the switch circuit is conducted, the first battery is connected with the second battery in parallel.
In the embodiment of the invention, the first battery supplies power to the first display screen, and the second battery supplies power to the second display screen and the third display screen, so that the total battery capacity of the mobile terminal can be effectively improved, and the cruising ability can be improved; through the conduction of the switch circuit, the first battery and the second battery are connected in parallel, the mutual charging between the two batteries is realized, and the cruising ability of the mobile terminal is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic circuit diagram of a mobile terminal according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention;
fig. 3 is a second schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic circuit diagram of a mobile terminal according to an embodiment of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a mobile terminal, which may include:
a first display screen 101;
the second display screen 102 and the third display screen 103 can be folded and arranged, and the second display screen 102 is arranged opposite to the first display screen 101;
the first battery 111, the first battery 111 is connected with the first display screen 101, and supplies power to the first display screen 101;
the second battery 112 is connected with the second display screen 102 and the third display screen 103, and supplies power to the second display screen 102 and the third display screen 103;
a switch circuit 120, a first terminal of the switch circuit 120 is connected to the first battery 111, and a second terminal is connected to the second battery 112;
when the switch circuit 120 is turned on, the first battery 111 is connected in parallel with the second battery 112.
In the embodiment of the invention, the first battery 111 and the second battery 112 are used for independently supplying power to each display screen, namely the first battery 111 supplies power to the first display screen 101, and the second battery 112 supplies power to the second display screen 102 and the third display screen 103, so that the cruising ability of the mobile terminal can be improved; further, the switch circuit 120 serves as a bridge connecting the first battery 111 and the second battery 112 so that the first battery 111 and the second battery 112 can be connected to each other, that is, when the switch circuit 120 is turned on, the first battery 111 and the second battery 112 are connected in parallel, whereby the first battery 111 and the second battery 112 can be charged to each other, that is, the battery having a high voltage value among the first battery 111 and the second battery 112 can be charged to the other battery.
Specifically, in the embodiment of the present invention, when the difference between the voltage values of the first battery 111 and the second battery 112 satisfies the preset threshold, the switch circuit 120 may be turned on, so as to charge the first battery 111 and the second battery 112 with each other, and ensure that the voltage difference between the two batteries is as small as possible.
In the embodiment of the present invention, the second display screen 102 and the third display screen 103 may be arranged in a mutually foldable manner, that is, the second display screen 102 can move between a first position facing the third display screen 103 and contacting with each other in a mutually attached manner and a second position far away from the third display screen 103, as shown in fig. 2 and 3. Specifically, when the second display screen 102 and the third display screen 103 are located at the first position, the display screen orientation of the first display screen 101 is the same as the display screen orientation of the third display screen 103, the display screen orientation of the second display screen 102 is opposite to the display screen orientation of the third display screen 103, and at this time, the mobile terminal is in a folded state, and only the first display screen 101 is exposed; when the second display screen 102 and the third display screen 103 are located at the second position, the display screen orientation of the first display screen 101 is opposite to the display screen orientation of the third display screen 103, the display screen orientation of the second display screen 102 is the same as the display screen orientation of the third display screen 103, at this time, the mobile terminal is in an unfolded state, and the second display screen 102 and the third display screen 103 are exposed and unfolded into a complete display screen.
In addition, in the embodiment of the present invention, the first display 101 is an independent display; the second display screen 102 and the third display screen 103 may be independent display screens respectively, or may be a complete display screen, that is, the second display screen 102 and the third display screen 103 are two parts of a complete display screen, and at this time, the complete display screen may be a flexible display screen.
In the embodiment of the invention, the first battery 111 supplies power to the first display screen 101, and the second battery 112 supplies power to the second display screen 102 and the third display screen 103, so that the total battery capacity of the mobile terminal can be effectively improved, and the cruising ability can be improved; by turning on the switch circuit 120, the first battery 111 and the second battery 112 are connected in parallel, so that the two batteries are charged with each other, and the cruising ability of the mobile terminal is further improved.
In order to better control the on and off of the switching circuit 120, in a preferred embodiment of the present invention, the mobile terminal may further include: a power management circuit 130, wherein the power management circuit 130 is respectively connected with the first battery 111, the second battery 112 and the switch circuit 120; the power management circuit 130 obtains a first voltage value of the first battery 111 and a second voltage value of the second battery 112, and controls the switch circuit 120 to be turned on or off according to the first voltage value and the second voltage value. In this way, in the embodiment of the present invention, the power management circuit 130 controls the switch circuit 120 to be turned on or off according to the first voltage value of the first battery 111 and the second voltage value of the second battery 112, so that the first battery 111 and the second battery 112 can be connected to each other when the difference between the voltage values of the two batteries satisfies the preset threshold, mutual charging is realized, and the voltage difference between the two batteries can be ensured to be as small as possible.
In an embodiment of the invention, the power management circuit 130 may be a Power Management Integrated Circuit (PMIC).
Preferably, in the embodiment of the present invention, when the first battery 111 and the second battery 112 supply power and the difference between the voltage values of the two batteries satisfies the first threshold, the switch circuit may be turned on, so as to charge the first battery 111 and the second battery 112 mutually.
Specifically, in the embodiment of the present invention, when the second battery 112 is in the discharging state and the difference between the first voltage value and the second voltage value is greater than the first threshold, the power management circuit 130 controls the switch circuit 120 to be turned on. In the embodiment of the present invention, in consideration that, in the use of the mobile terminal, since the second battery 112 supplies power to the second display screen 102 and the third display screen 103, and the power consumption of the second battery 112 is greater than the power consumption of the first battery 111, when the second battery 112 is in a discharging state, specifically, when the second battery 112 supplies power to the second display screen 102 and the third display screen 103, the power management circuit 130 detects whether a difference between the first voltage value and the second voltage value is greater than a first threshold, and controls the switch circuit 120 to be turned on when detecting that the difference between the first voltage value and the second voltage value is greater than the first threshold, so as to connect the first battery 111 and the second battery 112, and implement mutual charging of the first battery 111 and the second battery 112. Of course, when the first battery 111 supplies power to the first display 101 and detects that the difference between the first voltage value and the second voltage value is greater than the first threshold, the power management circuit 130 also controls the switch circuit 120 to be turned on, so as to connect the first battery 111 and the second battery 112.
Specifically, in the embodiment of the present invention, when the mobile terminal is in a folded state, only the first display screen 101 needs to operate, and the second display screen 102 and the third display screen 103 do not operate, power is supplied to the first display screen 101 through the first battery 111, and at this time, when the power management circuit 130 detects that the difference between the first voltage value and the second voltage value is greater than the first threshold, the switching circuit 120 is controlled to be turned on; when the mobile terminal is in the unfolded state, the second display screen 102 and the third display screen 103 operate, and the second battery 112 supplies power to the second display screen 102 and the third display screen 103, at this time, when the power management circuit 130 detects that the difference between the first voltage value and the second voltage value is greater than the first threshold value, the switch circuit 120 is controlled to be turned on, and here, if the first display screen 101 is also in the operating state, the first battery 111 supplies power to the first display screen 101 at the same time.
In addition, in a preferred embodiment of the present invention, in order to be able to more conveniently detect the voltage values of first battery 111 and second battery 112, electricity meters are respectively provided inside first battery 111 and second battery 112 to detect the voltage values of first battery 111 and second battery 112, respectively, and power management circuit 130 is connected to first battery 111 and second battery 112, respectively, and receives the voltage values detected by the electricity meters provided inside first battery 111 and second battery 112 to acquire the first voltage value of first battery 111 and the second voltage value of second battery 112.
In a preferred embodiment of the present invention, the mobile terminal may further include: the charging interface 140 is connected with a peripheral charging device; and a charging circuit 150, wherein the charging circuit 150 is connected with the charging interface 140, the first battery 111 and the second battery 112 respectively. In the embodiment of the present invention, when an external charging device is connected to the charging interface 140 of the mobile terminal and charging is implemented, the charging circuit 150 is used to implement charging of the first battery 111 and the second battery 112, where the first battery 111 and the second battery 112 are independently charged by the charging circuit 150, so as to improve the charging efficiency of the first battery 111 and the second battery 112.
Preferably, in an embodiment of the present invention, the charging circuit 150 may include: the input end of the first charging circuit 151 is connected with the charging interface 140, and the output end of the first charging circuit 151 is connected with the first battery 111; and an input end of the second charging circuit 152 is connected with the charging interface 140, and an output end of the second charging circuit 152 is connected with the second battery 112. In the embodiment of the present invention, the first charging circuit 151 and the second charging circuit 152 are used to charge the first battery 111 and the second battery 112 by using respective independent charging paths, so as to realize respective fast and independent charging of the two batteries, thereby improving the charging efficiency of the first battery 111 and the second battery 112.
In the embodiment of the present invention, when the first battery 111 and the second battery 112 are in a charging state and the difference between the voltage values of the two batteries satisfies the second threshold, the switch circuit 120 may be turned on, so as to implement trickle charge of the two batteries and balance the voltage difference between the two batteries.
Specifically, in the embodiment of the present invention, the power management circuit 130 controls the switch circuit 120 to be turned on when the first battery 111 and the second battery 112 are in the charging state and a difference between the first voltage value and the second voltage value is detected to be less than or equal to a second threshold. In the embodiment of the present invention, when the first battery 111 and the second battery 112 are in the charging state and it is detected that the difference between the first voltage value and the second voltage value is greater than the second threshold, the power management circuit 130 controls the switch circuit 120 to be turned off, so that the first battery 111 and the second battery 112 are independently charged, and the charging efficiency of the two batteries is ensured; when the first battery 111 and the second battery 112 are in a charging state and the difference between the first voltage value and the second voltage value is detected to be less than or equal to the second threshold value, the power management circuit 130 controls the switch circuit 120 to be turned on, so that the first battery 111 and the second battery 112 are connected in parallel, trickle charging of the two batteries is realized, and the voltage difference between the two batteries is balanced. Further, to ensure the charging effect of the two batteries, the trickle charging of the two batteries is realized when the voltage values of the first battery 111 and the second battery 112 reach a certain degree, that is, the power management circuit 130 controls the switch circuit 120 to be turned on when the first battery 111 and the second battery 112 are in a charging state, and the first voltage value and the second voltage value are detected to be respectively greater than a fourth threshold value, and the difference value between the first voltage value and the second voltage value is smaller than or equal to the second threshold value; thus, the charging efficiency of the two batteries can be better ensured, and the two batteries can be fully charged as much as possible.
In addition, if the first battery 111 and the second battery 112 are charged and simultaneously supply power to the corresponding display screens, that is, the first display screen 101, the second display screen 102 and/or the third display screen 103 operate when the first battery 111 and the second battery 112 are charged, at this time, the power management circuit 130 is configured to determine that the first voltage value and the second voltage value are respectively greater than a fifth threshold according to the first voltage value and the second voltage value, and control the switch circuit 120 to be turned on when a voltage difference between the first voltage value and the second voltage value is less than or equal to the second threshold. Thus, it is possible to ensure charging efficiency of both batteries, ensure that both batteries have sufficient battery power, and realize trickle charge when both batteries have sufficient power.
In addition, in this embodiment of the present invention, the mobile terminal may further include: and an overvoltage protection circuit (OVP)160, wherein the overvoltage protection circuit 160 is connected between the charging interface 140 and the charging circuit 150 to implement overvoltage protection and ensure that the charging interface 140 outputs a stable voltage to the charging circuit 150.
In a preferred embodiment of the present invention, the mobile terminal may further include: a Central Processing Unit (CPU) 170, wherein the CPU 170 is respectively connected to the first display 101, the second display 102, the third display 103, the power management circuit 130 and the charging circuit 150. Specifically, the central processing unit 170 is connected to the first display screen 101, the second display screen 102, the third display screen 103 and the power management circuit 130, and is configured to receive a folded state of the mobile terminal and a user operation instruction, determine to light the first display screen 101, the second display screen 102 and/or the third display screen 103, that is, determine that the first display screen 101, the second display screen 102 and/or the third display screen 103 work, and transmit display information ICM _ MIPI to the lighted (working) display screen; and when determining that the first display screen 101, the second display screen 102 and/or the third display screen 103 operate, the central processor 170 sends a power supply instruction to the power management circuit 130, so that the power management circuit 130 controls the first battery 111 and/or the second battery 112 to supply power to the corresponding display screen. In addition, when the power management circuit 130 controls the switching circuit 120 to be turned on or off according to the first voltage value and the second voltage value, the power management circuit 130 may be combined with the central processing unit 170 so as to achieve a better control effect, specifically, the power management circuit 130 determines whether to turn on or off the switching circuit 120 according to the first voltage value and the second voltage value, and sends determination information to the central processing unit 170, the central processing unit 170 receives the determination information and sends a corresponding control instruction, and after receiving the control instruction sent by the central processing unit 170, the power management circuit 130 controls the switching circuit 120 to be turned on or off. In addition, the cpu 170 is connected to the charging circuit 150, and is configured to send a charging command to the charging circuit 150 to control different states of the charging paths for charging the first battery 111 and the second battery 112, respectively.
In a preferred embodiment of the present invention, the switch circuit 120 may include: a switch 121, wherein the switch 121 is connected with the power management circuit 130; the power management circuit 130 controls the switch 121 to be turned on or off according to the first voltage value and the second voltage value. In the embodiment of the present invention, the switch circuit 120 is turned on and off by turning on and off the switch 121, so that the first battery 111 and the second battery 112 can be connected to each other when the switch 121 is turned on.
In addition, in a preferred embodiment of the present invention, the switching circuit 120 may further include: the detection circuit 122, the detection circuit 122 is connected with the power management circuit 130; the detection circuit 122 is used to detect the value of the current flowing through the switch circuit 120 when the switch circuit 120 is turned on. Specifically, when the switch 121 is closed, the detection circuit 122 detects a value of a current flowing through the switch circuit 120 and sends the value of the current to the power management circuit 130, and when the value of the current is smaller than or equal to a third threshold value, the power management circuit 130 controls the switch 121 to be opened. Thus, with the current value detected by the detection circuit 122, the power management circuit 130 controls the switch 121 to be turned off and the switch circuit 120 to be turned off when the first battery 111 and the second battery 112 are in the charging state and the current value is less than or equal to the third threshold value, that is, the voltage values of the first battery 111 and the second battery 112 are balanced.
The detection circuit 122 may include: a detection resistor R, both ends of which are respectively connected to the power management circuit 130, so as to detect a current value flowing through the switching circuit 120 when the switching circuit 120 is turned on; the detection resistor R also realizes a current limiting function for the switching circuit 120.
In addition, in this embodiment of the present invention, the mobile terminal may further include: a first drive circuit 181 and a second drive circuit 182; the first driving circuit 181 is connected between the first battery 111 and the first display 101, and is used for providing a working voltage for the first display 101 through the first driving circuit 181; the second driving circuit 182 is connected between the second battery 112 and the second display screen 102 and the third display screen 103, and is used for providing the second display screen 102 and the third display screen 103 with operating voltage through the second driving circuit 182.
In a preferred embodiment of the present invention, the mobile terminal may further include: a first housing and a second housing. Here, the first display screen 101, the second display screen 102, and the third display screen 103 are supported and fixed by the first housing and the second housing, and the accommodating arrangement of the electronic components such as the first battery 111, the second battery 112, the charging interface 140, the switch circuit 120, the power management circuit 130, and the charging circuit 150 in the embodiment of the present invention is realized.
Preferably, in the embodiment of the present invention, the first display screen 101 and the second display screen 102 are respectively attached to two sides of the first housing, and the third display screen 103 is attached to the second housing; the first battery 111 is accommodated in the first casing, the second battery 112 is accommodated in the second casing, and the charging interface 140 is disposed in the second casing.
In the embodiment of the present invention, the first housing and the second housing can be folded and folded, so that the second display screen 102 can move between a first position facing the third display screen 103 and contacting with the third display screen in a mutually attached manner and a second position far away from the third display screen.
In the embodiment of the present invention, the third display screen 103 is attached to the second housing, the charging interface 140 and the second battery 112 are disposed in the second housing, and the second battery 112 supplies power to the second display screen 102 and the third display screen 103, the first display screen 101 is attached to the first housing, the first battery 111 is disposed in the first housing, and the first display screen 101 is supplied with power by the first battery 111, so that the lengths of power supply paths for supplying power to the respective display screens by the two batteries can be reduced, the supply voltage ripple is reduced, and the temperature rise is reduced. In addition, the main board can be preferably accommodated in the second housing and supplied with power through the second battery 112, so that the length of a power supply path of the battery to the main board can be reduced, the power supply voltage ripple is reduced, and the temperature rise is reduced.
In addition, in the embodiment of the invention, the mobile terminal can be a mobile phone or a tablet computer. Of course, the mobile terminal is not limited to a mobile phone and a tablet Computer, and may also be an electronic device such as a Laptop Computer (Laptop Computer) or a Personal Digital Assistant (PDA).
In addition, in the embodiment of the present invention, other basic structures of the mobile terminal are not specifically limited, for example, the mobile terminal may further include a series of basic components such as an earphone, a speaker, a microphone, and a camera, which are not described in detail in the embodiment of the present invention.
According to the mobile terminal provided by the embodiment of the invention, the first battery supplies power to the first display screen, and the second battery supplies power to the second display screen and the second display screen, so that the total battery capacity of the mobile terminal can be effectively improved, and the cruising ability can be improved; through the conduction of the switch circuit, the first battery and the second battery are connected in parallel, the mutual charging between the two batteries is realized, and the cruising ability of the mobile terminal is further improved.
It should be appreciated that reference throughout this specification to "one embodiment," "an embodiment," or "some embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the present invention. Thus, the appearances of the phrases "in one embodiment," "in one embodiment," or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, elements, structures, or features illustrated in one drawing or one embodiment of the invention may be combined in any suitable manner with elements, structures, or features illustrated in one or more other drawings or embodiments.
It should be noted that, in one or more embodiments herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the present invention may repeat reference numerals and/or letters in the various examples or embodiments. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
Moreover, in the embodiments of the present invention, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A mobile terminal, comprising:
a first display screen;
the second display screen and the third display screen can be arranged in a mutually folded mode, and the second display screen is arranged opposite to the first display screen;
the first battery is connected with the first display screen and supplies power to the first display screen;
the second battery is connected with the second display screen and the third display screen and supplies power to the second display screen and the third display screen;
a switch circuit, a first end of the switch circuit is connected with the first battery, and a second end of the switch circuit is connected with the second battery;
when the switch circuit is conducted, the first battery is connected with the second battery in parallel;
the power management circuit is respectively connected with the first battery, the second battery and the switch circuit and respectively acquires a first voltage value of the first battery and a second voltage value of the second battery, the power management circuit controls the switch circuit to be switched on when a difference value of the first voltage value and the second voltage value is smaller than or equal to a second threshold value, and controls the switch circuit to be switched off when the difference value of the first voltage value and the second voltage value is larger than the second threshold value.
2. The mobile terminal of claim 1,
and when the second battery is in a discharging state and the difference value between the first voltage value and the second voltage value is detected to be larger than a first threshold value, the power management circuit controls the switch circuit to be switched on.
3. The mobile terminal of claim 1, further comprising:
the charging interface is connected with peripheral charging equipment;
and the charging circuit is respectively connected with the charging interface, the first battery and the second battery.
4. The mobile terminal of claim 3, wherein the charging circuit comprises:
the input end of the first charging circuit is connected with the charging interface, and the output end of the first charging circuit is connected with the first battery;
and the input end of the second charging circuit is connected with the charging interface, and the output end of the second charging circuit is connected with the second battery.
5. The mobile terminal of claim 3, further comprising:
and the central processing unit is respectively connected with the first display screen, the second display screen, the third display screen, the power management circuit and the charging circuit.
6. The mobile terminal of claim 1, wherein the switching circuit comprises:
a switch connected to the power management circuit;
and the power supply management circuit controls the switch to be switched on or switched off according to the first voltage value and the second voltage value.
7. The mobile terminal of claim 6, wherein the switching circuit further comprises:
the detection circuit is connected with the power management circuit;
when the switch is closed, the detection circuit detects the current value flowing through the switch circuit and sends the current value to the power management circuit, and the power management circuit controls the switch to be switched off when the current value is smaller than or equal to a third threshold value.
8. The mobile terminal of claim 3, further comprising: a first housing and a second housing;
the first display screen and the second display screen are respectively attached to two sides of the first shell, and the third display screen is attached to the second shell;
the first battery is contained in the first shell, the second battery is contained in the second shell, and the charging interface is arranged on the second shell.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810818037.3A CN108988453B (en) | 2018-07-24 | 2018-07-24 | Mobile terminal |
| PCT/CN2019/096682 WO2020020053A1 (en) | 2018-07-24 | 2019-07-19 | Mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810818037.3A CN108988453B (en) | 2018-07-24 | 2018-07-24 | Mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108988453A CN108988453A (en) | 2018-12-11 |
| CN108988453B true CN108988453B (en) | 2020-11-03 |
Family
ID=64549907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810818037.3A Active CN108988453B (en) | 2018-07-24 | 2018-07-24 | Mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108988453B (en) |
| WO (1) | WO2020020053A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110718944B (en) * | 2018-07-12 | 2023-08-04 | 中兴通讯股份有限公司 | Dual-battery charging and discharging method, device, terminal and storage medium |
| CN108988453B (en) * | 2018-07-24 | 2020-11-03 | 维沃移动通信有限公司 | Mobile terminal |
| CN109980724B (en) * | 2019-03-29 | 2021-12-17 | 努比亚技术有限公司 | Method and device for charging double-screen mobile terminal, mobile terminal and storage medium |
| CN110213406B (en) * | 2019-05-05 | 2023-02-17 | 珠海格力电器股份有限公司 | Folding electronic equipment |
| CN110365851B (en) * | 2019-08-01 | 2021-03-09 | Oppo（重庆）智能科技有限公司 | Power supply method and related product |
| CN113852143B (en) * | 2020-06-28 | 2024-08-13 | 北京小米移动软件有限公司 | Electric energy management method and device and storage medium |
| CN114268137A (en) * | 2020-09-16 | 2022-04-01 | 北京小米移动软件有限公司 | Charging and discharging circuit, charging and discharging control method and electronic equipment |
| CN113555942A (en) * | 2021-08-12 | 2021-10-26 | 深圳市古安泰自动化技术有限公司 | Split endoscope, battery mutual-flushing method and charging control method |
| CN116707054B (en) * | 2022-12-22 | 2024-05-03 | 荣耀终端有限公司 | Battery management circuit, battery management method, and electronic device |
| CN116418092B (en) * | 2023-06-02 | 2023-10-27 | 荣耀终端有限公司 | Charging control circuit, charging control method and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205179124U (en) * | 2015-11-10 | 2016-04-20 | 昆山研达电脑科技有限公司 | Smart mobile phone |
| CN107408821A (en) * | 2015-02-19 | 2017-11-28 | 微软技术许可有限责任公司 | Isomery battery unit charges |
| CN207251696U (en) * | 2017-09-01 | 2018-04-17 | 珠海格力电器股份有限公司 | Folding terminal |
| CN107968446A (en) * | 2016-10-19 | 2018-04-27 | 华为技术有限公司 | Distributed battery bag electric power system and charge/discharge control method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10591979B2 (en) * | 2015-04-03 | 2020-03-17 | Microsoft Technology Licensing, Llc | Battery management in a device with multiple batteries |
| CN105828588B (en) * | 2015-04-30 | 2018-04-20 | 维沃移动通信有限公司 | A kind of mobile terminal and the device for improving its display screen EMC performances |
| CN106657463A (en) * | 2016-07-22 | 2017-05-10 | 乐视控股（北京）有限公司 | Mobile terminal control method, mobile terminal control device and mobile terminal |
| CN107295126A (en) * | 2017-05-24 | 2017-10-24 | 深圳天珑无线科技有限公司 | A kind of spread its tail display device and mobile terminal more |
| CN107526565A (en) * | 2017-08-31 | 2017-12-29 | 珠海格力电器股份有限公司 | Interface display control method and mobile terminal |
| CN108988453B (en) * | 2018-07-24 | 2020-11-03 | 维沃移动通信有限公司 | Mobile terminal |
-
2018
- 2018-07-24 CN CN201810818037.3A patent/CN108988453B/en active Active
-
2019
- 2019-07-19 WO PCT/CN2019/096682 patent/WO2020020053A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107408821A (en) * | 2015-02-19 | 2017-11-28 | 微软技术许可有限责任公司 | Isomery battery unit charges |
| CN205179124U (en) * | 2015-11-10 | 2016-04-20 | 昆山研达电脑科技有限公司 | Smart mobile phone |
| CN107968446A (en) * | 2016-10-19 | 2018-04-27 | 华为技术有限公司 | Distributed battery bag electric power system and charge/discharge control method |
| CN207251696U (en) * | 2017-09-01 | 2018-04-17 | 珠海格力电器股份有限公司 | Folding terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108988453A (en) | 2018-12-11 |
| WO2020020053A1 (en) | 2020-01-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108988453B (en) | Mobile terminal | |
| WO2020248999A1 (en) | Foldable electronic device | |
| TW571452B (en) | Charging-type electrical potential balance device | |
| US10250059B2 (en) | Charging circuit for battery-powered device | |
| US9882403B2 (en) | Battery module | |
| WO2024016616A1 (en) | Folding electronic device | |
| JP2011120436A (en) | Electronic device with battery parallelly connected circuit | |
| JP2013254408A (en) | Electric power system comprising two units, and charging method | |
| TWI459681B (en) | Power control circuit and battery module comprising the same | |
| TW201249065A (en) | Power control method and electronic device using the same | |
| US8667314B2 (en) | Power switching circuit of portable electronic device | |
| KR20120039502A (en) | Charging apparatus for electronic devices | |
| US20120091812A1 (en) | Power switching device | |
| JP3188034U (en) | Palm-type AC / DC portable power supply | |
| US20150162756A1 (en) | Back-up power supply for mobile phone | |
| US20140247015A1 (en) | Battery of portable electronic device and operating method thereof | |
| GB2522242A (en) | Additional battery pack | |
| KR101750483B1 (en) | Device Having Improved Charging Convenience and Employed with Adaptor | |
| KR100623625B1 (en) | Portable type apparatus for universal supplying an electric power | |
| JP2004208344A (en) | Portable terminal having a plurality of batteries | |
| WO2014187020A1 (en) | Mother-son-type mobile power supply | |
| CN111245256B (en) | Power supply device | |
| CN114006095B (en) | Electronic equipment | |
| WO2019071388A1 (en) | Battery control circuit and electronic device | |
| CN101777778A (en) | Power switching circuit for portable electronic device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |