CN105656141B - A kind of handheld terminal - Google Patents
A kind of handheld terminal Download PDFInfo
- Publication number
- CN105656141B CN105656141B CN201610115766.3A CN201610115766A CN105656141B CN 105656141 B CN105656141 B CN 105656141B CN 201610115766 A CN201610115766 A CN 201610115766A CN 105656141 B CN105656141 B CN 105656141B
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- Prior art keywords
- battery core
- handheld terminal
- contacts
- capacitance
- connector
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/203—Cooling means for portable computers, e.g. for laptops
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The application provides a kind of handheld terminal, the first connector and the second connector being set in handheld terminal battery case；First connector passes sequentially through the charging interface that handheld terminal mainboard, flex circuit application and handheld terminal platelet are connected to the handheld terminal；Second connector is connected to the charging interface of the handheld terminal by handheld terminal platelet.When charging the battery, since the impedance value of Article 2 charge path is smaller, the charging current of Article 2 charge path is flowed through more than the charging current in first charge path, since the electrical loss in Article 2 charge path is less than the electrical loss in first charge path, therefore total electrical loss in charging process is smaller, and then the heat discharged is relatively low, has achieved the purpose that improve charge efficiency, has shortened the charging time.
Description
Technical field
The present invention relates to mobile terminal power supply circuit technical field, and in particular to a kind of handheld terminal.
Background technology
Usually only for tool there are one charging interface, the charging interface is logical for the supplying cell of the handheld terminals such as traditional mobile phone, PDA
The standing bottom for being placed in battery, battery bottom is provided with positive and negative anodes and protection board, referring to Fig. 1, when charging to it, and charging
The path of electric current is：Mobile terminal charging interface-handheld terminal platelet (mainboard of handheld terminal charging interface)-FPC
(Flexible Printed Circuit board, flex circuit application)-handheld terminal mainboard-connector-rechargeable battery, can
See, when being charged to rechargeable battery using above-mentioned path, the stroke of charging current is longer, and the device of process is too many, due to every
A device has impedance, meeting loss current to cause charge efficiency low, charging rate is slow, generates heat the problems such as high.
Invention content
In view of this, the embodiment of the present invention provides a kind of handheld terminal, to realize the charge efficiency for improving handheld terminal, add
Charging quickly speed reduces the heat of the handheld terminal release in charging process.
To achieve the above object, the embodiment of the present invention provides the following technical solutions：
A kind of handheld terminal, including：
The first connector and the second connector being set in handheld terminal battery case；
One end of first connector is connected with handheld terminal mainboard, and passes sequentially through flex circuit application and handheld terminal
Platelet is connected to the charging interface of the handheld terminal, the other end of first connector and the charging electricity of the handheld terminal
Pond is connected；
One end of second connector is connected to the charging interface of the handheld terminal by handheld terminal platelet, described
The other end of second connector is connected with the rechargeable battery of the handheld terminal.
Preferably, in above-mentioned handheld terminal, the rechargeable battery of the handheld terminal includes：Battery core, the first battery core protection board
With the second battery core protection board；
The position of the first battery core protection board is corresponding with first connector, the position of the second battery core protection board
It sets corresponding with second connector；
The battery core have the first battery core interface corresponding with the first battery core protection board, and with second battery core
The corresponding second battery core interface of protection board.
Preferably, in above-mentioned handheld terminal, the first battery core protection board has 4 connecting terminals, respectively：P- is touched
Point, the contacts P+, the contacts IC and the contacts TH, the first battery core protection board are touched by the contacts P-, the contacts P+, the contacts IC and TH
Point is connected with first connector.
Preferably, in above-mentioned handheld terminal, the second battery core protection board has 2 connecting terminals, respectively：The contacts P-
With the contacts P+, the second battery core protection board is connected by the contacts P- and the contacts P+ with second connector.
Preferably, in above-mentioned handheld terminal, the first battery core protection board is built-in with the first battery core protection circuit, and described the
One battery core protection circuit include：
The first resistor that first end is connected with the anode of the first battery core interface of the battery core；
The first capacitance that first end is connected with the second end of the first resistor, the second end of first capacitance with it is described
The cathode of first battery core interface is connected；
Second pin is connected with the first end of first capacitance, and third pin is connected with the second end of first capacitance
The first IC control chip；
Control terminal controls the first switch control electricity being made of switching tube that the output end of chip is connected with the first IC
Road；
The first pin that one end controls chip with the first IC is connected, the other end and the first switch control circuit
The connected second resistance of input terminal；
One end is connected with the output end of the first switch control circuit, the second end phase of the other end and first capacitance
3rd resistor even；
The third capacitance in parallel with the 3rd resistor；
One end is connected with the input terminal of the first switch control circuit, the first end phase of the other end and the first resistor
The second capacitance even；
The contacts P+ being connected with the first end of the first resistor；
The contacts P- being connected with the input terminal of the first switch control circuit；
The ID resistance and TH resistance that first end is connected with the input terminal of the first switch control circuit；
The contacts ID being connected with the second end of the ID resistance；
The contacts TH being connected with the second end of the TH resistance.
Preferably, in above-mentioned handheld terminal, first battery core protects circuit, further includes：First protective tube, described first
Protective tube is set between the first end of the first resistor and the anode of the first battery core interface of the battery core.
Preferably, in above-mentioned handheld terminal, first battery core protects circuit, further includes：Thermistor, the temperature-sensitive electricity
Resistance is set between the first end of the first resistor and the anode of the first battery core interface of the battery core.
Preferably, in above-mentioned handheld terminal, the second battery core protection board is built-in with the second battery core protection circuit, and described the
Two battery cores protection circuit include：
The 4th resistance that first end is connected with the anode of the second battery core interface of the battery core；
The 4th capacitance that first end is connected with the second end of the 4th resistance, the second end of the 4th capacitance with it is described
The cathode of second battery core interface is connected；
Second pin is connected with the first end of the 4th capacitance, and third pin is connected with the second end of the 4th capacitance
The 2nd IC control chip；
Control terminal controls the second switch control electricity being made of switching tube that the output end of chip is connected with the 2nd IC
Road；
The first pin that one end controls chip with the 2nd IC is connected, the other end and the second switch control circuit
The 5th connected resistance of input terminal；
One end is connected with the output end of the second switch control circuit, the second end phase of the other end and the 4th capacitance
The 6th resistance even；
With the 6th capacitance of the 6th resistor coupled in parallel；
One end is connected with the input terminal of the second switch control circuit, the first end phase of the other end and the 4th resistance
The 5th capacitance even；
The contacts P+ being connected with the first end of the 4th resistance；
The contacts P- being connected with the input terminal of the second switch control circuit.
Preferably, in above-mentioned handheld terminal, first battery core protects circuit, further includes：Second protective tube, described second
Protective tube is set between the first end of the 4th resistance and the anode of the second battery core interface of the battery core.
Preferably, the handheld terminal is mobile phone, palm PC or tablet computer.
Based on the above-mentioned technical proposal, handheld terminal provided in an embodiment of the present invention, by be arranged two charge paths, first
The charging current flow direction of charge path is：Charging interface-handheld terminal platelet-flex circuit application-handheld terminal mainboard-the first
Connector-rechargeable battery, the charging current of Article 2 charge path, which flows to, is：Charging interface-handheld terminal platelet-the second connects
Device-rechargeable battery, hence it is evident that as it can be seen that for first charge path, charging current is without stream in Article 2 charge path
Through the flex circuit application and handheld terminal mainboard, therefore the impedance value of the Article 2 charge path is much smaller than first charging circuit
Therefore the impedance value of diameter when charging the battery, since the impedance value of Article 2 charge path is smaller, flows through Article 2
The charging current of charge path is more than the charging current in first charge path, due to the electrical loss in Article 2 charge path
Total electrical loss less than the electrical loss in first charge path, therefore in charging process is smaller, and then the heat discharged
It is relatively low, achieve the purpose that improve charge efficiency, has shortened the charging time.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the connected mode schematic diagram of the charging interface and battery of handheld terminal in the prior art；
Fig. 2 is a kind of connection type signal of the charging interface and rechargeable battery of handheld terminal disclosed in the embodiment of the present application
Figure；
Fig. 3 is a kind of connection type of the charging interface and rechargeable battery of handheld terminal disclosed in another embodiment of the application
Schematic diagram；
Fig. 4 is the structural schematic diagram of the battery core protection circuit in the battery of mobile phone disclosed in the embodiment of the present application.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is directed to the above problem, this application discloses a kind of handheld terminals, to improve charge efficiency, solve hand-held when charging
The problem of terminal overheats.Referring to Fig. 2, the handheld terminal, the handheld terminal can be that any one is common in the prior art
Hand-held terminal device, such as it can be mobile phone, palm PC or tablet computer, referring to Fig. 2, the handheld terminal can wrap
It includes：
The first connector 100 and the second connector 200 being set in the battery case of the handheld terminal, described first connects
It connects device 100 and passes sequentially through handheld terminal mainboard 300, flex circuit application 400 and handheld terminal platelet 500 and be connected to the hand-held end
The charging interface 600 at end；
Second connector 200 is connected to the charging interface 600 of the handheld terminal by handheld terminal platelet 500.
When being charged to the rechargeable battery 700 in battery case using technical solution disclosed in the above embodiments of the present application,
It has two optional paths, wherein the charging current of first charge path, which flows to, is：Charging interface 600- handheld terminal platelets
500- flex circuit application 400- handheld terminal mainboard 300- the first connector 100- rechargeable batteries 700, Article 2 charge path
Charging current flows to：Charging interface 600- handheld terminal platelet 500- the second connector 200- rechargeable batteries 700, hence it is evident that can
See, for first charge path, charging current is without flowing through the flex circuit application 400 in Article 2 charge path
With handheld terminal mainboard 300, therefore the impedance value of the Article 2 charge path be much smaller than first charge path impedance value, because
This, can the preferably described second charge path work since the impedance value of Article 2 charge path is smaller when charging the battery
For preferred charge path, that is, the charging current for flowing through Article 2 charge path is more than charging current in first charge path,
It is total in charging process since the electrical loss in Article 2 charge path is less than the electrical loss in first charge path
Electrical loss it is smaller, and then discharge heat it is relatively low, achieved the purpose that improve charge efficiency, shorten the charging time.
It is understood that the quantity of the charging end of the rechargeable battery 700 of the handheld terminal in above-described embodiment can
Think 1, i.e. the size and location of first connector, 100 and second connector 200 through reasonable settings so that described
First connector 100 and the second connector 200 can be connected with the charging end of the rechargeable battery 700 simultaneously.Certainly, for convenience
The quantity of handheld terminal interior wiring, the charging end of the rechargeable battery 700 in the above embodiments of the present application can be
Two, i.e. each charging end of rechargeable battery 700 is correspondingly connected with a connector, and position can be according to first connection
The position of device 100 and the second connector 200 is determined.Typically, handheld terminal mainboard is typically by being taken at the top of battery case
Electricity, therefore, first connector 100 can be set to the top of the battery case, charging interface 600 is located at hand-held
At the top of terminal for the handheld terminal of (one end at the top of the battery case), second connector 200 can be equally arranged
In the top of the battery case, handheld terminal lower curtate (far from one end at the top of the battery case) is located at for charging interface 600
Handheld terminal for, second connector 200 may be disposed at the lower curtate of the battery case.The rechargeable battery is directed to set
It sets there are two when the case where charging end, referring to Fig. 3, the rechargeable battery 700 of the handheld terminal may include：Battery core 710, first
Battery core protection board 720 and the second battery core protection board 730, the first battery core protection board 720 are filled with the first of the rechargeable battery
Electric end is corresponding, and the second battery core protection board 730 is corresponding with the second charging end of the rechargeable battery；First battery core
The position of protection board 720 is corresponding with first connector 100, the position of the second battery core protection board 730 and described the
Two connectors 200 are corresponding；The battery core 710 has first battery core interface corresponding with the first battery core protection board 720, with
And second battery core interface corresponding with the second battery core protection board 730, the battery core 710 by the first battery core interface and
Second battery core interface charges.
In technical solution disclosed in the above embodiments of the present application, when the rechargeable battery tool there are two charging end when,
In the first charging end traditional design method can be used, simplified design method may be used in the second charging end, that is, described first
Battery core protection board 720 uses traditional design method, has 4 connecting terminals, respectively：The contacts P-, the contacts P+, the contacts IC
With the contacts TH, wherein P+ is anode, and TH is detection pole output (use state for detecting and showing battery), and ID is used
In test side be grounded, P- is battery cathode, the first battery core protection board 720 by the contacts P-, the contacts P+, the contacts IC and
The contacts TH are connected with first connector 100.The second battery core protection board only need to be basic with charging the battery
Function, therefore its design method can suitably simplify, that is, the second battery core protection board can only have 2 connecting terminals,
Respectively：The contacts P- and the contacts P+, the second battery core protection board 730 are connected by the contacts P- and the contacts P+ with described second
Device 200 is connect to be connected.
In technical solution disclosed in the above embodiments of the present application, the first battery core protection board 720 and the second battery core are protected
Circuit design mode traditional in the prior art can be used in circuit in backplate 30, as long as can ensure to the rechargeable battery just
Normal charge and discharge, in this regard, disclosed herein as well is a kind of specific circuit design modes, referring to Fig. 4, first battery core
Protection board 720 is built-in with the first battery core protection circuit, and the first battery core protection circuit includes：
The first resistor R1 that first end is connected with the positive B1+ of the first battery core interface of the battery core；
The first capacitance C1 that first end is connected with the second end of the first resistor R1, the second end of the first capacitance C1
It is connected with the cathode B1- of the first battery core interface；
Second pin is connected with the first end of the first capacitance C1, the second end of third pin and the first capacitance C1
The first connected IC controls chip IC 1；
Control terminal controls the first switch control being made of switching tube that the output end of chip IC 1 is connected with the first IC
Circuit MOS1, the first switch control circuit MOS1 are used to control the output signal control of chip IC 1 according to the first IC
Itself break-make, it is preferred that the first switch control circuit MOS1 can be made of two concatenated power tubes, each power tube
Diode including a metal-oxide-semiconductor and a reverse parallel connection；
The first pin that one end controls chip IC 1 with the first IC is connected, the other end and first switch control electricity
The connected second resistance R2 of the input terminal of road MOS1；
One end is connected with the output end of the first switch control circuit MOS1, and the of the other end and the first capacitance C1
The connected 3rd resistor R3 in two ends；
The third capacitance C3 in parallel with the 3rd resistor R3；
One end is connected with the input terminal of the first switch control circuit MOS1, and the of the other end and the first resistor R1
The second connected capacitance C2 of one end；
The contacts P+ being connected with the first end of the first resistor R1；
The contacts P- being connected with the input terminal of the first switch control circuit MOS1；
The ID resistance Rid and TH resistance Rth that first end is connected with the input terminal of the first switch control circuit MOS1；
The contacts ID being connected with the second end of the ID resistance Rid；
The contacts TH being connected with the second end of the TH resistance Rth.
In the above scheme, the first IC controls voltage of the chip IC 1 by the detection both ends the first capacitance C1, according to
The break-make that the first switch control circuit MOS1 is controlled according to the voltage value at the both ends the first capacitance C1, when first capacitance
When the voltage value at the both ends C1 is less than setting value, the first switch control circuit MOS1 conductings are controlled, the contact P- is touched at this time
It connects, can charge to the battery core 710 between point and the cathode B1- of the first battery core interface, otherwise, control described the
One ON-OFF control circuit MOS1 cut-offs, can not charge to battery core by B1+ and B1- at this time.
It is understood that in technical solution disclosed in the above embodiments of the present application, in order to prevent using the first electricity
When core protection circuit charges to battery, the electric current in the first battery core protection circuit is excessive, referring to Fig. 4, first battery core
Protecting circuit can also include：First protective tube Fuse1, the first protective tube Fuse1 is set to the first resistor R1's
Between the positive B1+ of first battery core interface of first end and the battery core 710.Certainly, referring to Fig. 4, in addition to setting described first
Except protective tube Fuse1, between the first end of the first resistor R1 and the positive B1+ of the first battery core interface of the battery core also
Thermistor PTC can be provided with.
The second battery core protection board 730 is built-in in the second battery core protection circuit, with the first battery core protection board 720
Circuit design it is similar, second battery core protection circuit includes：
The 4th resistance R4 that first end is connected with the positive B2+ of the second battery core interface of the battery core 710；
The 4th capacitance C4 that first end is connected with the second end of the 4th resistance R4, the second end of the 4th capacitance C4
It is connected with the cathode B2- of the second battery core interface；
Second pin is connected with the first end of the 4th capacitance C4, the second end of third pin and the 4th capacitance C4
The 2nd connected IC controls chip IC 2；
Control terminal controls the second switch control being made of switching tube that the output end of chip IC 2 is connected with the 2nd IC
Circuit MOS2；
The first pin that one end controls chip IC 2 with the 2nd IC is connected, the other end and second switch control electricity
The 5th connected resistance R5 of the input terminal of road MOS2；
One end is connected with the output end of the second switch control circuit MOS2, and the of the other end and the 4th capacitance C4
The 6th connected resistance R6 of two ends；
The sixth capacitance C6 in parallel with the 6th resistance R6；
One end is connected with the input terminal of the second switch control circuit MOS2, and the of the other end and the 4th resistance R4
The 5th connected capacitance C5 of one end；
The contacts P+ being connected with the first end of the 4th resistance R4；
The contacts P- being connected with the input terminal of the second switch control circuit MOS2.
In the above scheme, the 2nd IC controls voltage of the chip IC 2 by the both ends detection the 4th capacitance C4, according to
The break-make that the second switch control circuit MOS2 is controlled according to the voltage value at the both ends the 4th capacitance C4, when the 4th capacitance
When the voltage value at the both ends C4 is less than setting value, the second switch control circuit MOS2 conductings are controlled, the contact P- is touched at this time
It connects, can charge to the battery core 710 between point and the cathode B2- of the second battery core interface, otherwise, control described the
Two ON-OFF control circuit MOS2 cut-offs, can not charge to battery core 710 by B2+ and B2- at this time.
It is similar with first battery core protection set-up mode of circuit, may be used also in the above-mentioned second battery core protection circuit of the application
To include：Second protective tube Fuse2, the second protective tube Fuse2 be set to the first end of the 4th resistance R1 with it is described
Between the positive B2+ of second battery core interface of battery core 710.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (9)
1. a kind of handheld terminal, which is characterized in that including：
The first connector and the second connector being set in handheld terminal battery case；
One end of first connector is connected with handheld terminal mainboard, and passes sequentially through flex circuit application and handheld terminal platelet
It is connected to the charging interface of the handheld terminal, the other end of first connector and the rechargeable battery phase of the handheld terminal
Even；
One end of second connector is connected to the charging interface of the handheld terminal by handheld terminal platelet, and described second
The other end of connector is connected with the rechargeable battery of the handheld terminal；
The rechargeable battery of the handheld terminal includes：Battery core, the first battery core protection board and the second battery core protection board；
The position of the first battery core protection board is corresponding with first connector, the position of the second battery core protection board with
Second connector is corresponding；
The battery core has the first battery core interface corresponding with the first battery core protection board, and is protected with second battery core
The corresponding second battery core interface of plate.
2. handheld terminal according to claim 1, which is characterized in that there are the first battery core protection board 4 connections to touch
Point, respectively：The contacts P-, the contacts P+, the contacts IC and the contacts TH, the first battery core protection board are touched by the contacts P-, P+
Point, the contacts IC and the contacts TH are connected with first connector.
3. handheld terminal according to claim 1, which is characterized in that further include：The second battery core protection board has 2
Connecting terminal, respectively：The contacts P- and the contacts P+, the second battery core protection board pass through the contacts P- and the contacts P+ and described second
Connector is connected.
4. handheld terminal according to claim 2, which is characterized in that the first battery core protection board is built-in with the first battery core
Protection circuit, the first battery core protection circuit include：
The first resistor that first end is connected with the anode of the first battery core interface of the battery core；
The first capacitance that first end is connected with the second end of the first resistor, the second end of first capacitance and described first
The cathode of battery core interface is connected；
Second pin is connected with the first end of first capacitance, third pin be connected with the second end of first capacitance
One IC controls chip；
Control terminal controls the first switch control circuit being made of switching tube that the output end of chip is connected with the first IC；
The first pin that one end controls chip with the first IC is connected, the input of the other end and the first switch control circuit
The connected second resistance in end；
One end is connected with the output end of the first switch control circuit, and the other end is connected with the second end of first capacitance
3rd resistor；
The third capacitance in parallel with the 3rd resistor；
One end is connected with the input terminal of the first switch control circuit, and the other end is connected with the first end of the first resistor
Second capacitance；
The contacts P+ being connected with the first end of the first resistor；
The contacts P- being connected with the input terminal of the first switch control circuit；
The ID resistance and TH resistance that first end is connected with the input terminal of the first switch control circuit；
The contacts ID being connected with the second end of the ID resistance；
The contacts TH being connected with the second end of the TH resistance.
5. handheld terminal according to claim 4, which is characterized in that first battery core protects circuit, further includes：First
Protective tube, first protective tube are set to the anode of the first end of the first resistor and the first battery core interface of the battery core
Between.
6. handheld terminal according to claim 4, which is characterized in that first battery core protects circuit, further includes：Temperature-sensitive
Resistance, the thermistor are set to the anode of the first end of the first resistor and the first battery core interface of the battery core
Between.
7. handheld terminal according to claim 2, which is characterized in that the second battery core protection board is built-in with the second battery core
Protection circuit, the second battery core protection circuit include：
The 4th resistance that first end is connected with the anode of the second battery core interface of the battery core；
The 4th capacitance that first end is connected with the second end of the 4th resistance, the second end and described second of the 4th capacitance
The cathode of battery core interface is connected；
Second pin is connected with the first end of the 4th capacitance, third pin be connected with the second end of the 4th capacitance
Two IC control chip；
Control terminal controls the second switch control circuit being made of switching tube that the output end of chip is connected with the 2nd IC；
The first pin that one end controls chip with the 2nd IC is connected, the input of the other end and the second switch control circuit
The 5th connected resistance of end；
One end is connected with the output end of the second switch control circuit, and the other end is connected with the second end of the 4th capacitance
6th resistance；
With the 6th capacitance of the 6th resistor coupled in parallel；
One end is connected with the input terminal of the second switch control circuit, and the other end is connected with the first end of the 4th resistance
5th capacitance；
The contacts P+ being connected with the first end of the 4th resistance；
The contacts P- being connected with the input terminal of the second switch control circuit.
8. handheld terminal according to claim 7, which is characterized in that first battery core protects circuit, further includes：Second
Protective tube, second protective tube are set to the anode of the first end of the 4th resistance and the second battery core interface of the battery core
Between.
9. according to handheld terminal disclosed in claim 1-8 any one, which is characterized in that the handheld terminal is mobile phone, the palm
Upper computer or tablet computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610115766.3A CN105656141B (en) | 2016-02-29 | 2016-02-29 | A kind of handheld terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610115766.3A CN105656141B (en) | 2016-02-29 | 2016-02-29 | A kind of handheld terminal |
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| CN105656141A CN105656141A (en) | 2016-06-08 |
| CN105656141B true CN105656141B (en) | 2018-09-07 |
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| CN201610115766.3A Active CN105656141B (en) | 2016-02-29 | 2016-02-29 | A kind of handheld terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106211557A (en) * | 2016-07-28 | 2016-12-07 | 广东欧珀移动通信有限公司 | The circuit board of mobile terminal and mobile terminal |
| CN106340927B (en) * | 2016-10-01 | 2020-05-12 | 奇酷互联网络科技（深圳）有限公司 | Dual-port rechargeable battery and charging system thereof |
| 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 |
| CN106785527A (en) * | 2016-11-30 | 2017-05-31 | 深圳天珑无线科技有限公司 | A kind of circuit unit and mobile terminal |
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| CN106898833B (en) * | 2017-03-17 | 2019-09-10 | 奇酷互联网络科技（深圳）有限公司 | Charging method and charging system |
| CN110301082A (en) * | 2017-07-24 | 2019-10-01 | 华为技术有限公司 | A kind of battery component and electronic equipment |
| CN108923512A (en) * | 2018-06-28 | 2018-11-30 | 珠海市魅族科技有限公司 | A kind of power supply adaptor, charging system and method |
| CN109830766A (en) * | 2019-01-31 | 2019-05-31 | 维沃移动通信有限公司 | Battery component and terminal |
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| CN111969168B (en) * | 2019-05-20 | 2023-03-17 | Oppo广东移动通信有限公司 | Battery pack and electronic device |
| CN112018830B (en) * | 2019-05-28 | 2022-08-23 | Oppo广东移动通信有限公司 | Charging and discharging system and mobile terminal |
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| CN112350390B (en) * | 2019-08-08 | 2022-12-13 | Oppo广东移动通信有限公司 | Charging circuit, charging chip, terminal and charging system |
| CN110474391B (en) * | 2019-08-09 | 2022-03-18 | Oppo广东移动通信有限公司 | Charging circuit and electronic device |
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