CN110301082A - A kind of battery component and electronic equipment - Google Patents
A kind of battery component and electronic equipment Download PDFInfo
- Publication number
- CN110301082A CN110301082A CN201780086604.4A CN201780086604A CN110301082A CN 110301082 A CN110301082 A CN 110301082A CN 201780086604 A CN201780086604 A CN 201780086604A CN 110301082 A CN110301082 A CN 110301082A
- Authority
- CN
- China
- Prior art keywords
- battery
- protection circuit
- battery protection
- charging
- connector
- 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.)
- Pending
Links
- 238000007600 charging Methods 0.000 claims abstract description 231
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 18
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000004804 winding Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000011888 foil Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of battery component and electronic equipment.The electronic equipment includes charging inlet circuit plate (01), battery (02), battery protection circuit (03) and main control board (04), the battery is electrically connected with the battery protection circuit, the charging inlet circuit plate is electrically connected with the main control board, the charging inlet circuit plate, the battery and the main control board are arranged successively along first direction, the battery protection circuit arranges in a second direction with the battery, the second direction is vertical with the first direction, and the first end of the battery protection circuit is electrically connected with the charging inlet circuit plate, the second end of the battery protection circuit is electrically connected with the main control board.
Description
This application involves charging technique field more particularly to a kind of battery components and electronic equipment.
Currently, having used various electronic equipments in people's life.It is interior equipped with battery for some mobile electronic devices, such as laptop, mobile phone, tablet computer, it needs in time to be battery charging, just can guarantee the normal use of equipment.
When electronic equipment needs to charge, charger is connected to the charging interface on electronic equipment, the charging of electronic equipment can be realized.It takes the mobile phone as an example, the connecting line in the charging circuit of mobile phone between circuit board is longer at present, and connector is more in charging circuit, causes the impedance of charging larger, so that the calorific value in charging process is higher.
Summary of the invention
Embodiments herein provides battery component and electronic equipment, to reduce the impedance in large current charge path in electronic equipment.
In order to achieve the above objectives, embodiments herein adopts the following technical scheme that
First aspect, the application provides a kind of electronic equipment, including charging inlet circuit plate, battery, battery protection circuit and main control board, battery is electrically connected with battery protection circuit, charging inlet circuit plate is electrically connected with main control board, charging inlet circuit plate, battery and main control board are arranged successively along first direction, battery protection circuit arranges in a second direction with battery, second direction is vertical with first direction, and the first end of battery protection circuit is electrically connected with charging inlet circuit plate, the second end of battery protection circuit is electrically connected with main control board.Wherein, the main control board has charging management chip, and the charging management chip is used to control charging process, such as can select charge path according to the voltage value of battery.Charging inlet circuit plate includes charging interface, and the charging interface charges for connecting with external charger.
Electronic equipment provided by the embodiments of the present application, during large current charge, the charged interface card of electric current, the connecting line that the first end of battery protection circuit is electrically connected with charging inlet circuit plate, battery protection circuit finally enter battery.Since charging inlet circuit plate is electrically connected with battery protection circuit, large current charge access is not required to reduce the impedance in high current access by the connector on main control board, to reduce generated heat in electronic equipment charging process.
In possible implementation; battery protection circuit is arranged along the first end of first direction close to charging inlet circuit plate; battery protection circuit is arranged along the second end of first direction close to main control board; battery protection circuit is between charging inlet circuit plate and main control board; the length of connecting line between circuit board in high-current charging circuit can be shortened; to further reduced the impedance in high current access, to reduce the heat generated in charging process；And the size of electronic equipment in a second direction, the small volume of electronic equipment are not increased.
In possible implementation, battery protection circuit is strip structure, and the length direction of battery protection circuit is parallel with first direction, electronic equipment it is compact-sized.
In possible implementation, charging inlet circuit plate includes the first connector, and main control board includes the second connector, and the first end of battery protection circuit is connect with the first connector by the first conducting wire, battery protection circuit
Second end is connect with the second connector by the second conducting wire, and grafting is fast implemented, and the assembly operation of electronic equipment is more convenient.
In possible implementation, the first connector and the second connector are BTB connector, are conducive to the volume for reducing electronic equipment.
In possible implementation, the first conducting wire makes electric current charge from the charging interface of charging inlet circuit plate through the first conducting wire battery for charging connection wire for connecting charging inlet circuit plate and battery protection circuit.
In possible implementation, the second conducting wire is charge and discharge electric connection line, can be connected to the low current charge access and discharge path of electronic equipment, the line outside circuit board is simpler, at low cost.
In possible implementation, battery, battery protection circuit, the first conducting wire and the second conducting wire form whole assembly unit, convenient for the assembling of electronic equipment.
In possible implementation, charging inlet circuit plate is electrically connected with main control board by transmission assembly, transmission assembly includes the third connector, the 4th connector being set on main control board and the privates being connected between third connector and the 4th connector being set on charging inlet circuit plate, it can be quickly by charging inlet circuit plate and main control board grafting, simplify the assembly operation of electronic equipment, improves packaging efficiency.
In possible implementation, charging inlet circuit plate includes the first charging paths and the second charging paths, it is connected between charging interface and the first connector by the first charging paths, it is connected between charging interface and third connector by the second charging paths, first charging paths and the second charging paths are connected with switching switch, switching switch is electrically connected with charging management chip, switching switch is for switching the on-off of the first charging paths and the second charging paths, charging modes are flexible, user can need to select suitable charging modes according to different uses, control switching large current charge access and the on-off of low current charge access are simpler.
In possible implementation, the first conducting wire, the second conducting wire and privates are flexible circuit board, reduce the weight and volume of electronic equipment, and keep the wiring between circuit board simpler.
Second aspect; the application provides a kind of battery component; including battery and battery protection circuit; battery is electrically connected with battery protection circuit and arranges in a second direction; when battery component is installed in electronic equipment; the main control board of the charging inlet circuit plate of electronic equipment, battery component and electronic equipment is arranged successively along first direction; second direction is vertical with first direction; the first end of battery protection circuit is electrically connected with charging inlet circuit plate, and the second end of battery protection circuit is electrically connected with main control board.
Battery component provided by the embodiments of the present application is mountable in electronic equipment; when electronic equipment carries out large current charge; the charged interface card of electric current, the connecting line that the first end of battery protection circuit is electrically connected with charging inlet circuit plate, battery protection circuit, finally enter battery.Since charging inlet circuit plate is electrically connected with battery protection circuit, large current charge access is not required to reduce the impedance in high current access by the connector on main control board, to reduce the heat generated in battery component charging process.
In possible implementation; when battery component is installed in electronic equipment; battery protection circuit is arranged along the first end of first direction close to charging inlet circuit plate; battery protection circuit is arranged along the second end of first direction close to main control board; battery protection circuit is between charging inlet circuit plate and main control board; the length of connecting line between circuit board in high-current charging circuit can be shortened; to further reduced the impedance in high current access, to reduce the heat generated in charging process；And the size of electronic equipment in a second direction is not increased, the small volume of electronic equipment does not increase the size in electronic equipment second direction, so that electronic equipment volume is smaller.
In possible implementation, battery protection circuit is strip structure, and the length direction of battery protection circuit is parallel with first direction, battery component it is compact-sized.
In possible implementation; battery component further includes the first conducting wire for being connected to the first end of battery protection circuit; and it is connected to the second conducting wire of the second end of battery protection circuit; charging inlet circuit plate includes the first connector; main control board includes the second connector; the first end of battery protection circuit is connect by the first conducting wire with the first connector; the second end of battery protection circuit is electrically connected by the second conducting wire with the second connector; realize quick grafting, the assembly operation of electronic equipment is more convenient.
In possible implementation, the first conducting wire makes high current charge from the charging interface of charging inlet circuit plate through the first conducting wire battery for charging connection wire for connecting charging inlet circuit plate and battery protection circuit.
In possible implementation, the second conducting wire is charge and discharge electric connection line, can be connected to the low current charge access and discharge path of battery component, circuit connection is simple, at low cost.
In possible implementation, battery protection circuit, the first conducting wire and the second conducting wire form whole assembly unit, convenient for battery component is installed on electronic equipment, simplify assembly operation.
In possible implementation, the first conducting wire and the second conducting wire are flexible circuit board, reduce the weight and volume of battery component, and the wiring between circuit board is simpler.
The third aspect, the application provides a kind of mobile phone, including charging inlet circuit plate, battery, battery protection circuit and main control board, battery is electrically connected with battery protection circuit, charging inlet circuit plate includes charging interface, charging inlet circuit plate, battery and main control board are arranged successively along the length direction of mobile phone, width direction arrangement and the length direction of battery protection circuit and the length direction of mobile phone of the battery protection circuit with battery along mobile phone are consistent, the position that battery protection circuit is corresponded on charging inlet circuit plate is equipped with the first BTB connector, the position of corresponding battery is equipped with the 3rd BTB connector, the position that battery protection circuit is corresponded on main control board is equipped with the 2nd BTB connector, the position of corresponding battery is equipped with the 4th BTB connector, first BTB connector and battery protection circuit First end is connected by the first conducting wire; the second end of 2nd BTB connector and battery protection circuit is connected by the second conducting wire; 3rd BTB connector is connect with the 4th BTB connector by privates; 2nd BTB connector and the 4th BTB connector are electrically connected with the charging management chip on main control board respectively; it can reduce impedance of mobile phone during large current charge, thus heat caused by during reducing large current charge.
Fig. 1 is that a kind of mobile phone is dismantled the structural schematic diagram of rear cover；
Fig. 2 is the front view of the embodiment of the present application mobile phone；
Fig. 3 is that the embodiment of the present application mobile phone is dismantled the structural schematic diagram of rear cover；
Fig. 4 is the structural schematic diagram that battery and battery protection circuit are arranged along mobile phone thickness direction in the embodiment of the present application mobile phone.
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application is described.
In the description of the present application, the orientation or positional relationship of the instructions such as term " center ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of description the application and simplifies description, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
It can also be conflict connection or be integrally connected；For the ordinary skill in the art, the concrete meaning of above-mentioned term in this application can be understood with concrete condition.
Embodiment 1
The invention relates to a kind of electronic equipment, the electronic equipment can be mobile terminal, mobile terminal may include mobile phone, tablet computer, PDA (Personal Digital Assistant, personal digital assistant), POS (Point of Sales, point-of-sale terminal), vehicle-mounted computer etc..
Mobile terminal may include charging circuit board, main control board, battery protection circuit, and above-mentioned three kinds of circuit boards are briefly described below.
Charging circuit board: referring to the circuit board equipped with charging interface, and for the charging interface for connecting with external charger, which can also have other circuit modules, such as audio-frequency module, motor module, Anneta module.
Main control board: main control board is also known as mainboard, motherboard, system board, logic card, motherboard, bottom plate etc., may include charging management chip and electric discharge interface etc..
Battery protection circuit: battery protection circuit is the integrated circuit board to shield for chargeable (such as lithium battery), including controlling IC (Integrated Circuit, integrated circuit), MOS switch (Metal-Oxide-Semiconductor, that is Metal-oxide-semicondutor), resistance and additional device NTC (Negative temperature coefficient, that is negative temperature coefficient), I/D Memory (one-wire interface memory, ID is the abbreviation of Identification) and PCB (Printed Circuit Board, printed circuit board) etc..Under normal charge status, battery core (battery for removing battery protection circuit) is connected with external circuit in control IC control MOS switch conducting；When battery core voltage or loop current are more than specified value, the safety of battery core is protected in control IC control MOS switch cut-off.
Furthermore, mobile terminal can also include: RF (Radio Frequency, radio frequency) components such as circuit, memory, other input equipments, display screen, sensor, I/O subsystem, processor, power management chip, camera, bluetooth module, virtual key, physical button, details are not described herein.
Charging management chip and power management chip can be set on main control board, charging management chip can manage the charging modes in charging process, such as different charging process: trickle charge, constant-current charge, constant-voltage charge etc. is controlled, it is that each mobile terminal component distributes power supply power supply that power management chip, which can manage battery component,.
It will be understood by those skilled in the art that the structure of above-mentioned mobile terminal does not constitute the restriction to electronic equipment, it may include perhaps combining certain components than illustrating more or fewer components and perhaps splitting certain components or different component layouts.Skilled person is understood that display screen belongs to user interface (UI, User Interface), and mobile phone may include than diagram or less user interface.
During the work time, battery component can be to be powered with upper-part to mobile terminal.
In the examples below, electronic equipment can take the mobile phone as an example, and as cell-phone function increasingly improves, internal components complexity is continuously improved, particularly important to the framework and power supply capacity of battery.Certainly, the electronic equipment of the embodiment of the present application is not limited to mobile phone.
The charging modes of mobile phone include large current charge and low current charge, for different batteries, current range, the current range of low current charge of large current charge are different, such as the standard charging current of battery is 0.1C (capacity that C refers to battery), the current range of large current charge is 0.3C~0.4C, and the electric current of low current charge is less than 0.1C.
Fig. 1 is that a kind of mobile phone is dismantled the structural schematic diagram of rear cover.
Referring to Fig.1, mobile phone includes the charging inlet circuit plate 01 that up and down direction is arranged successively along figure, battery 02, battery protection circuit 03 and main control board 04, and 011 He of charging interface is respectively equipped on charging inlet circuit plate 01
First connector 012, the second connector 041 and third connector 042 are provided on main control board 04, and the first connector 012 and the second connector 041 pass through the first conducting wire 05 and connect；Third connector 042 is connect with battery protection circuit 03 by the second conducting wire 06, and battery protection circuit 03 is electrically connected with battery 02.For this programme during carrying out large current charge, successively the connection circuit of charged interface 011, charging inlet circuit plate 01, the first connector 012, the first conducting wire 05, the second connector 041, the second connector 041 and third connector 042, third connector 042, the second conducting wire 06, battery protection circuit 03 enter battery 02 to electric current.It is found by the applicant that the program need to be by the second connector 041 and third connector 042 on main control board 04 because of large current charge process, it is found by the applicant that during large current charge, second connector 041 and third connector 042 can generate biggish impedance, cause charging impedance in the large current charge path of mobile phone larger, and high-current circuit generates more heat.
To solve the above problems, the embodiment of the present application provides a kind of structural design scheme of mobile phone, as shown in figures 2-3.Fig. 2 is the front view of the embodiment of the present application mobile phone；Fig. 3 is that the embodiment of the present application mobile phone is dismantled the structural schematic diagram of rear cover.
Referring to Fig. 2~3, the mobile phone 100 of the embodiment of the present application includes charging inlet circuit plate 1, battery 2, battery protection circuit 3 and main control board 4.Battery 2 is electrically connected with battery protection circuit 3, and charging inlet circuit plate 1 is electrically connected with main control board 4.Charging inlet circuit plate 1, battery 2 and main control board 4 are arranged successively along first direction P; battery 2 arranges in a second direction with battery protection circuit 3; second direction is vertical with first direction P; and the first end 31 of battery protection circuit 3 is electrically connected with charging inlet circuit plate 1, the second end 32 of battery protection circuit 3 is electrically connected with main control board 4.Wherein, charging interface 11 (the connection direction that the arrow in Fig. 3 at charging interface refers to external charger and charging interface) is provided on charging inlet circuit plate 1, charging interface 11 charges for connecting with external charger, main control board 4 includes charging management chip (not shown), charging management chip is used to control charging process, such as can select charge path according to the voltage value of battery 2.Specifically, the charge path between charging inlet circuit plate 1 and main control board 4, or the charge path between selection charging inlet circuit plate 1 and battery protection circuit 3 may be selected.
Mobile phone 100 provided by the embodiments of the present application, during large current charge, the charged interface card 1 of electric current, the connecting line that the first end 31 of battery protection circuit 3 is electrically connected with charging inlet circuit plate 1, battery protection circuit 3 finally enter battery 2.Compared to the above-mentioned prior art; since charging inlet circuit plate 1 is electrically connected with battery protection circuit 3; large current charge access is not required to reduce the impedance in high current access by the connector on main control board 4, to reduce generated heat in 100 charging process of mobile phone.
Optionally; battery protection circuit 3 can be laterally disposed, and battery protection circuit 3 may be disposed at the outside of outside, and/or main control board 4 in a second direction of charging inlet circuit plate 1 in a second direction, the constancy of volume of battery 2; therefore, the capacity of battery 2 is still larger.
Optionally, because the space of the battery protection circuit 3 of original first direction P is vacated, the embodiment of the present application is by increasing battery 2 along the length of first direction P, and the width of battery 2 in a second direction is shortened, to guarantee that the capacity of battery is basically unchanged, and battery protection circuit 3 provides accommodation space in a second direction, it is set to battery protection circuit 3 between charging inlet circuit plate 1 and main control board 4, and battery protection circuit 3 is arranged along the first end 31 of first direction P close to charging inlet circuit plate 1, and correspondingly, battery protection circuit 3 is arranged along the second end 32 of first direction P close to main control board 4, as shown in figs. 34, mobile phone 100 it is compact-sized, small volume.And because the first end of battery protection circuit 3 31 is close to charging inlet circuit plate 1; so that shorter conducting wire can be used in the connecting line that the first end 31 of battery protection circuit 3 is electrically connected with charging inlet circuit plate 1; shorten the length of connecting line between circuit board in high-current charging circuit; to further reduced the impedance in high current access
To reduce the heat generated in charging process；Similarly, shorter conducting wire can also be used between the second end 32 and main control board 4 of battery protection circuit 3, keeps connecting line between the circuit board in low current access also shorter.
Fig. 4 is the structural schematic diagram that battery and battery protection circuit are arranged along mobile phone thickness direction in the embodiment of the present application mobile phone.
It should be understood that above-mentioned second direction can be the width direction (second direction M i.e. shown in Fig. 3) of mobile phone 100, the thickness direction (second direction M ' i.e. shown in Fig. 4) of mobile phone 100 can also be made.For organization plan shown in Fig. 4, in order not to increase the integral thickness of mobile phone, battery 2 can be designed as Special-shaped battery, the mounting structure of battery protection circuit 3 be reserved on battery 2, if the mounting structure can be notch or groove.
Rectangular, strip structure etc. can be used in above-mentioned battery protection circuit 3.Because the battery in the electronic equipments such as usual mobile phone, tablet computer is rectangle; using the battery protection circuit 3 of strip structure; and it is the length direction of battery protection circuit 3 is parallel with first direction P; as shown in Figure 3; the space occupied is smaller in a second direction for battery protection circuit 3, can make compact-sized, the small volume of mobile phone 100.
Above-mentioned charging inlet circuit plate 1, main control board 4 are electrically connected with battery protection circuit 3 respectively; the both ends of a piece conducting wire can be respectively welded to the first end 31 and charging inlet circuit plate 1 in battery protection circuit 3, second end 32 and main control board 4 in battery protection circuit 3 is respectively welded in the both ends of another conducting wire；It can also be when designing charging inlet circuit plate 1 and main control board 4; making charging inlet circuit plate 1 includes the first connector 12; main control board 4 includes the second connector 41, then is connect the first end 31 of battery protection circuit 3 with the first connector 12 by the first conducting wire 5.Correspondingly, the second end 32 of battery protection circuit 3 is connect with the second connector 41 by the second conducting wire 6.When streamlined assembles mobile phone 100, by the first connector 12 and the second connector 41 can quickly by battery protection circuit 3 respectively with charging inlet circuit plate 1,4 grafting of main control board so that the assembly operation of mobile phone 100 is more convenient, quick.
It should be understood that the first end 31 because of battery protection circuit 3 along first direction P is arranged close to charging inlet circuit plate 1, the length of the first conducting wire 5 is 10~15mm；Correspondingly, battery protection circuit 3 is arranged along the second end 32 of first direction P close to main control board 4, and the length of the second conducting wire 6 is 10~15mm.
Optionally, the first connector 12 and the second connector 41 can be used BTB connector (Board To Board, board to board connector), and the pin spacing and height of BTB connector are smaller, be conducive to the volume for reducing mobile phone 100.By taking the second connector 41 as an example, the base of the second connector 41 is welded on main control board 4, on the second conducting wire 6 that the second end 32 that male seat is welded on battery protection circuit 3 is drawn.
It should be understood that when the charging interface 11 of the charged interface card 1 of electric current, charging inlet circuit plate 1, the charging management chip in main control board 4, the second connector 41, the second conducting wire 6 enter battery protection circuit 3; battery 2 is finally entered, the low current charge process of mobile phone 100 is realized.And when mobile phone 100 needs to discharge, the electric current in battery 2 is finally sent into the module in main control board 4 to need to power through the second conducting wire 6 between battery protection circuit 3, battery protection circuit 3 and main control board 4.
First conducting wire 5 uses charging connection wire in mobile phone 100, for realizing being electrically connected for charging inlet circuit plate 1 and battery protection circuit 3, to be connected to the high-current charging circuit of mobile phone 100.Optionally, the second conducting wire 6 includes a charging connection wire and an electric discharge connecting line or the second conducting wire 6 is a charge and discharge electric connection line.The second conducting wire 6 is charge and discharge electric connection line in Fig. 3, and the connection line in mobile phone 100 between battery protection circuit 3 and main control board 4 is simpler.
Battery 2, battery protection circuit 3, the first conducting wire 5 and the second conducting wire 6 use simultaneously in mobile phone 100,
Therefore, battery 2, battery protection circuit 3, the first conducting wire 5 and the second conducting wire 6 form whole assembly unit in the embodiment of the present application, to shorten the assembling flow path of mobile phone 100, improve assembly efficiency.
It is to be noted that the electric connection mode of battery 2 and battery protection circuit 3 is welding, specifically: by the metal foil on battery 2 with the metal foil on battery protection circuit 3 by being laser welded.Optionally; the combination of first conducting wire 5 and the second conducting wire 6 and battery protection circuit 3 are as follows: take FPC winding displacement (the Flexible Printed Circuit of a root long; flexible circuit board); the length of the FPC winding displacement is greater than battery protection circuit 3 along the length of first direction P; by the middle part of the FPC winding displacement along first direction P insertion battery protection circuit 3; and the both ends of FPC winding displacement extend to the first end 31 of battery protection circuit 3 and the outside of second end 32; to form the first conducting wire 5 and the second conducting wire 6, manufacture craft is simpler.
The electric connection mode of above-mentioned charging inlet circuit plate 1 and main control board 4 are as follows: weld at the both ends of a conducting wire with charging inlet circuit plate 1, main control board 4 respectively.Optionally, charging inlet circuit plate 1 can be also electrically connected with main control board 4 by transmission assembly, the transmission assembly includes third connector 13, the 4th connector 42 and the privates 7 for being connected to third connector 13 and the 4th connector 42, third connector 13 is set on charging inlet circuit plate 1,4th connector 42 is set on main control board 4, it can simplify the assembly operation of mobile phone 100 quickly by charging inlet circuit plate 1 and 4 grafting of main control board, improve production efficiency.
Wherein, BTB connector can also be used in third connector 13 and the 4th connector 42, convenient for reducing the volume of mobile phone 100.
Further; the low current charge access of the embodiment of the present application mobile phone 100 are as follows: privates 7, the 4th connector 42 between the charging interface 11 of the charged interface card 1 of electric current, third connector 13, charging inlet circuit plate 1 and main control board 4 enter the charging management chip of main control board 4; enter battery protection circuit 3 through the second conducting wire 6 between the second connector 41, main control board 4 and battery protection circuit 3 again, finally enters battery 2.
In addition, privates 7 can also be used in other communications between charging inlet circuit plate 1 and main control board 4, simplifies the line route in mobile phone 100 between circuit board, facilitate wiring.
Optionally, charging inlet circuit plate 1 includes the first charging paths and the second charging paths in the embodiment of the present application, wherein, charging interface 11 is connect by the first charging paths with the first connector 12, charging interface 11 is connect by the second charging paths with third connector 13, it is connected with switching switch in the first charging paths and the second charging paths, which is electrically connected with charging management chip, and the switching switchs the on-off of changeable first charging paths and the second charging paths.When charging management chip, which controls switching switch, disconnects the connection of the first charging paths, the second charging paths, mobile phone 100 is charged using large current charge access；When charging management chip, which controls switching switch, disconnects the connection of the second charging paths, the first charging paths, mobile phone 100 is charged using low current charge access, charging modes are flexible, user can need to select suitable charging modes according to different uses, and control switching large current charge access and the on-off of low current charge access are simpler.
When external power supply to be connected to charging interface 11, can charge for mobile phone 100.Specific charging flow are as follows: judge the voltage in battery；When voltage is less than the first preset value in battery 2, into precharge mode, charging management chip passes through Sensor Hub/AP (Sensor Hub/Application processor on charging inlet circuit plate 1, center sensor coprocessor/application processor) control charging inlet circuit plate 1 on single-pole double-throw switch (SPDT) the second charging paths are connected, electric current is through third connector 13, privates 7, 4th connector 42 enters charging management chip, again through the second connector 41, second conducting wire 6 enters battery protection circuit 3, finally enter battery 2, realize the low current charge of battery；It is single into constant current charging mode when the voltage in battery 2 reaches the first above-mentioned preset value
Double-pole double throw switch connects the first charging paths, and electric current enters battery 2 after the first connector 12, the first conducting wire 5, battery protecting plate 3, realizes the large current charge of battery；When the voltage in battery 2 reaches the second preset value, into constant-voltage charge mode, Sensor Hub/AP control single-pole double-throw switch (SPDT) connects the second charging paths, low current charge is carried out again, until being full of.Under the different voltage value of battery, using different charging modes, battery can be protected, extends the service life of battery.
Optionally, bundle conductor can be used in the first conducting wire 5, the second conducting wire 6 and privates 7, at low cost；Flexible circuit board can also be used in first conducting wire 5, the second conducting wire 6 and privates 7, flexible circuit board has the characteristics that Distribution density is high, light-weight, thickness is thin, the weight and volume of mobile phone 100 is reduced, and keeps the wiring between circuit board simpler, is conducive to the miniaturization of mobile phone 100.
Embodiment 2
A kind of battery component of the embodiment of the present application includes battery 2 and battery protection circuit 3, and battery 2 is electrically connected with battery protection circuit 3 and arranges in a second direction.When battery component is installed in electronic equipment; the main control board 4 of the charging inlet circuit plate 1 of electronic equipment, battery component and electronic equipment is arranged along first direction P; first direction P is vertical with second direction; the first end 31 of battery protection circuit 3 is electrically connected with charging inlet circuit plate 1; the second end 32 of battery protection circuit 3 is electrically connected with main control board 4, as shown in Figure 3.
Battery component provided by the embodiments of the present application is mountable in electronic equipment; when electronic equipment carries out large current charge; the charged interface card 1 of electric current, the connecting line that the first end 31 of battery protection circuit 3 is electrically connected with charging inlet circuit plate 1, battery protection circuit 3, finally enter battery 2.Compared to the prior art; since charging inlet circuit plate 1 is electrically connected with battery protection circuit 3; large current charge access is not required to reduce the impedance in high current access by the connector on main control board 4, to reduce the heat generated in battery component charging process.
When battery component is installed in electronic equipment; battery protection circuit 3 can be laterally disposed; battery protection circuit 3 can be located at the outside of charging inlet circuit plate 1 in a second direction; the outside of main control board 4 in a second direction and/or; the volume of battery 2 can remain unchanged; therefore, the capacity of battery 2 is still larger.
Optionally, when battery component is installed in electronic equipment, because the space of the battery protection circuit 3 of original first direction P is vacated, above-mentioned battery component is by increasing battery 2 along the length of first direction P, and the width of battery 2 in a second direction is shortened, to guarantee that the capacity of battery 2 is basically unchanged, and battery protection circuit 3 provides accommodation space in a second direction, battery protection circuit 3 is arranged along the first end 31 of first direction P close to charging inlet circuit plate 1, battery protection circuit 3 is arranged along the second end 32 of first direction P close to main control board 4, battery protection circuit 3 can be between charging inlet circuit plate 1 and main control board 4.Compact-sized, the small volume of battery component.Because the first end 31 of battery protection circuit 3 is close to charging inlet circuit plate 1; so that shorter conducting wire can be used in the connecting line that the first end 31 of battery protection circuit 3 is electrically connected with charging inlet circuit plate 1; shorten the length of connecting line between circuit board in high-current charging circuit; to further reduced the impedance in high current access, to reduce generated heat in charging process；Similarly, shorter conducting wire can also be used between the second end 32 and main control board 4 of battery protection circuit 3, keeps connecting line between the circuit board in low current access also shorter.
It is to be noted that above-mentioned second direction can be the width direction (second direction M i.e. shown in Fig. 3) of electronic equipment, the thickness direction (second direction M ' i.e. shown in Fig. 4) of electronic equipment can also be made.For battery component design scheme shown in Fig. 4, battery 2 is designed as Special-shaped battery, the mounting structure of battery protection circuit 3 is reserved on battery 2, if the mounting structure can be notch or groove.
Rectangular, strip structure etc. can be used in above-mentioned battery protection circuit 3.Because of usual mobile phone, tablet computer etc.
Battery 2 in mobile electronic device is rectangle; using the battery protection circuit 3 of strip structure; and it is the length direction of battery protection circuit 3 is parallel with first direction P; as shown in Figure 3; the space occupied is smaller in a second direction for battery protection circuit 3, can make that the electronic devices structure using the battery component is compact, small volume.
Above-mentioned charging inlet circuit plate 1, main control board 4 are electrically connected with battery protection circuit 3 respectively; the both ends of a piece conducting wire can be respectively welded to the first end 31 and charging inlet circuit plate 1 in battery protection circuit 3, second end 32 and main control board 4 in battery protection circuit 3 is respectively welded in the both ends of another conducting wire.Optionally; when designing charging inlet circuit plate 1 and main control board 4; making charging inlet circuit plate 1 includes the first connector 12; main control board 4 includes the second connector 41; battery component further includes the first conducting wire 5 for being connected to the first end 31 of battery protection circuit 3; and it is connected to the second conducting wire 6 of the second end 32 of battery protection circuit 3, then connect the first end 31 of battery protection circuit 3 with the first connector 12 by the first conducting wire 5.Correspondingly, the second end 32 of battery protection circuit 3 is connect with the second connector 41 by the second conducting wire 6.In streamlined assembling electronic equipment, by the first connector 12 and the second connector 41 can quickly by battery protection circuit 3 respectively with charging inlet circuit plate 1,4 grafting of main control board so that the assembly operation of electronic equipment is more convenient, quick.
It should be understood that the first end 31 because of battery protection circuit 3 along first direction P is arranged close to charging inlet circuit plate 1, the length of the first conducting wire 5 is 10~15mm；Correspondingly, battery protection circuit 3 is arranged along the second end 32 of first direction P close to main control board 4, and the length of the second conducting wire 6 is 10~15mm.
The first conducting wire 5 uses charging connection wire in battery component, for realizing being electrically connected for charging inlet circuit plate 1 and battery protection circuit 3, to be connected to the high-current charging circuit for the electronic equipment for applying the battery component.Optionally, the second conducting wire 6 includes a charging connection wire and an electric discharge connecting line or the second conducting wire 6 is a charge and discharge electric connection line.The second conducting wire 6 is charge and discharge electric connection line in Fig. 3, and the connection line between battery protection circuit 3 and main control board 4 is simpler.
Battery 2, battery protection circuit 3, the first conducting wire 5 and the second conducting wire 6 in battery component use simultaneously, and therefore, battery 2, battery protection circuit 3, the first conducting wire 5 and the second conducting wire 6 form whole assembly unit in the embodiment of the present application.In this way, the assembling flow path of the electronic equipment can be shortened when battery component to be installed in electronic equipment.
It should be understood that the electric connection mode of battery 2 and battery protection circuit 3 is welding, the metal foil on battery 2 is passed through with the metal foil on battery protection circuit 3 specially and is laser welded.
Bundle conductor can be used in first conducting wire 5 and the second conducting wire 6, at low cost；Flexible circuit board can also be used in first conducting wire 5 and the second conducting wire 6, and flexible circuit board has the characteristics that Distribution density is high, light-weight, thickness is thin, is conducive to the miniaturization of electronic equipment.
Optionally; the combination of first conducting wire 5 and the second conducting wire 6 and battery protection circuit 3 are as follows: take FPC winding displacement (the Flexible Printed Circuit of a root long; flexible circuit board); the length of the FPC winding displacement is greater than battery protection circuit 3 along the length of first direction P; by the middle part of the FPC winding displacement along first direction P insertion battery protection circuit 3; and the both ends of FPC winding displacement extend to the first end 31 of battery protection circuit 3 and the outside of second end 32; to form the first conducting wire 5 and the second conducting wire 6, manufacture craft is simpler.
Embodiment 3
The embodiment of the present application includes a kind of mobile phone; including charging inlet circuit plate 1, battery 2, battery protection circuit 3 and main control board 4; battery 2 is electrically connected with battery protection circuit 3; charging inlet circuit plate 1 includes charging interface 11; charging inlet circuit plate 1, battery 2 and main control board 4 are arranged successively along the length direction of mobile phone, battery
Width direction arrangement and the length direction of battery protection circuit 3 and the length direction of mobile phone of the protection circuit plate 3 with battery 2 along mobile phone are consistent, the position that battery protection circuit 3 is corresponded on charging inlet circuit plate 1 is equipped with the first BTB connector, the position of corresponding battery 2 is equipped with the 3rd BTB connector, the position that battery protection circuit 3 is corresponded on main control board 4 is equipped with the 2nd BTB connector, the position of corresponding battery 2 is equipped with the 4th BTB connector, first BTB connector is connect with the first end 31 of battery protection circuit 3 by the first conducting wire 5, 2nd BTB connector is connect with the second end 32 of battery protection circuit 3 by the second conducting wire 6, 3rd BTB connector is connect with the 4th BTB connector by privates 7, 2nd BTB connector and the 4th BTB connection Device is electrically connected with the charging management chip on main control board 4 respectively.
For the mobile phone when carrying out large current charge, charging interface 11, the first BTB connector, the first conducting wire 5 on the charged interface card 1 of electric current enter battery protection circuit 3, finally enter battery 2.Compared to the prior art, large current charge access is not required to reduce the impedance in high current access by the connector on main control board 4, to reduce generated heat in mobile phone charging process.
In the description of this specification, particular features, structures, materials, or characteristics can be combined in any suitable manner in any one or more of the embodiments or examples.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although the application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it is still possible to modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；And these are modified or replaceed, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.
Claims (20)
- A kind of electronic equipment, it is characterized in that, including charging inlet circuit plate, battery, battery protection circuit and main control board, the battery is electrically connected with the battery protection circuit, the charging inlet circuit plate is electrically connected with the main control board, the charging inlet circuit plate, the battery and the main control board are arranged successively along first direction, the battery protection circuit arranges in a second direction with the battery, the second direction is vertical with the first direction, and the first end of the battery protection circuit is electrically connected with the charging inlet circuit plate, the second end of the battery protection circuit is electrically connected with the main control board.
- Electronic equipment according to claim 1; it is characterized in that; the battery protection circuit is arranged along the first end of the first direction close to the charging inlet circuit plate; the battery protection circuit is arranged along the second end of the first direction close to the main control board, and the battery protection circuit is between the charging inlet circuit plate and the main control board.
- Electronic equipment according to claim 1 or 2, which is characterized in that the battery protection circuit is strip structure, and the length direction of the battery protection circuit is parallel with the first direction.
- Electronic equipment described in any one of claim 1 to 3; it is characterized in that; the charging inlet circuit plate includes the first connector; the main control board includes the second connector; the first end of the battery protection circuit is connect with first connector by the first conducting wire, and the second end of the battery protection circuit is connect with second connector by the second conducting wire.
- Electronic equipment according to claim 4, which is characterized in that first connector and second connector are BTB connector.
- Electronic equipment according to claim 4 or 5, which is characterized in that first conducting wire is charging connection wire.
- The electronic equipment according to any one of claim 4~6, which is characterized in that second conducting wire is charge and discharge electric connection line.
- The electronic equipment according to any one of claim 4~7, which is characterized in that the battery, battery protection circuit, first conducting wire and second conducting wire form whole assembly unit.
- The electronic equipment according to any one of claim 4~8, it is characterized in that, the charging inlet circuit plate is electrically connected with the main control board by transmission assembly, and the transmission assembly includes the third connector being set on the charging inlet circuit plate, the 4th connector being set on the main control board and the privates being connected between the third connector and the 4th connector.
- Electronic equipment according to claim 9, it is characterized in that, the main control board includes charging management chip, the charging inlet circuit plate includes charging interface, the charging inlet circuit plate includes the first charging paths and the second charging paths, it is connected between the charging interface and first connector by the first charging paths, it is connected between the charging interface and the third connector by the second charging paths, first charging paths and the second charging paths are connected with switching switch, the switching switch is electrically connected with the charging management chip, the switching switchs the on-off for switching first charging paths and the second charging paths.
- Electronic equipment according to claim 9, which is characterized in that first conducting wire, second conducting wire and the privates are flexible circuit board.
- A kind of battery component, which is characterized in that including battery and battery protection circuit, the battery is electrically connected with the battery protection circuit and arranges in a second direction, when the battery component is installed in electronic equipment, institute The main control board for stating the charging inlet circuit plate of electronic equipment, the battery component and the electronic equipment is arranged successively along first direction; the second direction is vertical with the first direction; the first end of the battery protection circuit is electrically connected with the charging inlet circuit plate, and the second end of the battery protection circuit is electrically connected with the main control board.
- Battery component according to claim 12; it is characterized in that; when the battery component is installed in electronic equipment; the battery protection circuit is arranged along the first end of the first direction close to the charging inlet circuit plate; the battery protection circuit is arranged along the second end of the first direction close to the main control board, and the battery protection circuit is between the charging inlet circuit plate and the main control board.
- Battery component according to claim 12 or 13, which is characterized in that the battery protection circuit is strip structure, and the length direction of the battery protection circuit is parallel with the first direction.
- Battery component described in any one of 2~14 according to claim 1, it is characterized in that, the battery component further includes the first conducting wire for being connected to the first end of the battery protection circuit, and it is connected to the second conducting wire of the second end of the battery protection circuit, the charging inlet circuit plate includes the first connector, the main control board includes the second connector, the first end of the battery protection circuit is connect by first conducting wire with first connector, the second end of the battery protection circuit is electrically connected by second conducting wire with second connector.
- Battery component according to claim 15, which is characterized in that first conducting wire is charging connection wire.
- Battery component according to claim 15 or 16, which is characterized in that second conducting wire is charge and discharge electric connection line.
- Battery component described in any one of 5~17 according to claim 1, which is characterized in that the battery, battery protection circuit, first conducting wire and second conducting wire form whole assembly unit.
- Battery component described in any one of 5~18 according to claim 1, which is characterized in that first conducting wire and the second conducting wire are flexible circuit board.
- A kind of mobile phone, it is characterized in that, including charging inlet circuit plate, battery, battery protection circuit and main control board, the battery is electrically connected with the battery protection circuit, the charging inlet circuit plate includes charging interface, the charging inlet circuit plate, the battery and the main control board are arranged successively along the length direction of the mobile phone, the battery protection circuit is arranged with the battery along the width direction of the mobile phone and the length direction of the battery protection circuit is consistent with the length direction of the mobile phone, the position that the battery protection circuit is corresponded on the charging inlet circuit plate is equipped with the first BTB connector, the position of the corresponding battery is equipped with the 3rd BTB connector, the position that the battery protection circuit is corresponded on the main control board is equipped with the 2nd BTB connector, the corresponding electricity The position in pond is equipped with the 4th BTB connector; the first BTB connector is connect with the first end of the battery protection circuit by the first conducting wire; the 2nd BTB connector is connect with the second end of the battery protection circuit by the second conducting wire; the 3rd BTB connector is connect with the 4th BTB connector by privates, and the 2nd BTB connector and the 4th BTB connector are electrically connected with the charging management chip on the main control board respectively.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/094172 WO2019018990A1 (en) | 2017-07-24 | 2017-07-24 | Battery pack and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110301082A true CN110301082A (en) | 2019-10-01 |
Family
ID=65039328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780086604.4A Pending CN110301082A (en) | 2017-07-24 | 2017-07-24 | A kind of battery component and electronic equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110301082A (en) |
| WO (1) | WO2019018990A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111682607A (en) * | 2020-06-05 | 2020-09-18 | Oppo（重庆）智能科技有限公司 | Charging structure and electronic equipment |
| WO2022088929A1 (en) * | 2020-10-29 | 2022-05-05 | 荣耀终端有限公司 | Electronic device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12055973B2 (en) * | 2019-09-13 | 2024-08-06 | Apple Inc. | Dual board-to-board connector battery management circuit module utilizing a switch-back service loop |
| WO2021068690A1 (en) * | 2019-10-09 | 2021-04-15 | Oppo广东移动通信有限公司 | Electronic device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324580A (en) * | 2011-05-20 | 2012-01-18 | 惠州Tcl移动通信有限公司 | Mobile phone as well as charging circuit and method of cell thereof |
| US20120212189A1 (en) * | 2010-12-30 | 2012-08-23 | Chi Mei Communication Systems, Inc. | System and method for electronic device charging |
| 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 |
| CN106786978A (en) * | 2017-01-24 | 2017-05-31 | 维沃移动通信有限公司 | A kind of charging system and mobile terminal |
| CN106790785A (en) * | 2016-11-29 | 2017-05-31 | 努比亚技术有限公司 | A kind of mobile terminal charging structure and mobile terminal |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9973017B2 (en) * | 2014-09-19 | 2018-05-15 | Samsung Electronics Co., Ltd. | Charger circuit including a plurality of charging paths |
| CN105958561A (en) * | 2016-04-25 | 2016-09-21 | 北京小米移动软件有限公司 | Battery, battery charging discharging method, and mobile terminal |
| CN106410917B (en) * | 2016-11-15 | 2019-05-03 | Oppo广东移动通信有限公司 | Charging system and mobile terminal |
-
2017
- 2017-07-24 WO PCT/CN2017/094172 patent/WO2019018990A1/en active Application Filing
- 2017-07-24 CN CN201780086604.4A patent/CN110301082A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120212189A1 (en) * | 2010-12-30 | 2012-08-23 | Chi Mei Communication Systems, Inc. | System and method for electronic device charging |
| CN102324580A (en) * | 2011-05-20 | 2012-01-18 | 惠州Tcl移动通信有限公司 | Mobile phone as well as charging circuit and method of cell thereof |
| 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 |
| CN106790785A (en) * | 2016-11-29 | 2017-05-31 | 努比亚技术有限公司 | A kind of mobile terminal charging structure and mobile terminal |
| CN106786978A (en) * | 2017-01-24 | 2017-05-31 | 维沃移动通信有限公司 | A kind of charging system and mobile terminal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111682607A (en) * | 2020-06-05 | 2020-09-18 | Oppo（重庆）智能科技有限公司 | Charging structure and electronic equipment |
| WO2022088929A1 (en) * | 2020-10-29 | 2022-05-05 | 荣耀终端有限公司 | Electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019018990A1 (en) | 2019-01-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110277813B (en) | Foldable electronic device | |
| CN110299479B (en) | Electronic device | |
| US10069529B2 (en) | Portable charging case module | |
| CN208738925U (en) | Charging circuit and electronic equipment | |
| CN110301082A (en) | A kind of battery component and electronic equipment | |
| CN109120029A (en) | charging circuit, electronic equipment, charging management method and storage medium | |
| CN210092201U (en) | Battery module and electronic equipment | |
| CN208423037U (en) | Built-in battery and electronic equipment with it | |
| CN111082493B (en) | Terminal Equipment | |
| US8277246B2 (en) | Battery terminal adapter | |
| US8483778B2 (en) | Mobile communication device employing power pack with multiple pairs of taps | |
| CN204376963U (en) | mobile terminal camera and mobile terminal | |
| CN116111659A (en) | Charging circuit, method, device, electronic equipment and medium | |
| CN210866339U (en) | Electronic device | |
| KR101196910B1 (en) | Mobile communication device employing power pack with multiple pairs of taps | |
| CN111682607A (en) | Charging structure and electronic equipment | |
| CN106410917A (en) | Charging system and mobile terminal | |
| CN109193878A (en) | Charging circuit, charging method, electronic equipment and storage medium | |
| CN109066904A (en) | Charging management method, electronic equipment and storage medium | |
| CN114695978A (en) | Battery protection device, battery and terminal equipment | |
| CN109149709A (en) | Electronic equipment | |
| CN210297315U (en) | Electronic device | |
| CN221531750U (en) | Battery protection board, battery module and electronic equipment | |
| CN110401254A (en) | Electronic equipment and charge control method | |
| CN201749896U (en) | Mobile phone battery structure |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191001 |