CN206302188U - Rechargeable cellphone battery - Google Patents
Rechargeable cellphone battery Download PDFInfo
- Publication number
- CN206302188U CN206302188U CN201621464601.9U CN201621464601U CN206302188U CN 206302188 U CN206302188 U CN 206302188U CN 201621464601 U CN201621464601 U CN 201621464601U CN 206302188 U CN206302188 U CN 206302188U
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- oxide
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- battery
- integrated circuit
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of rechargeable cellphone battery, including battery core and battery of mobile phone protection board, and the battery core is connected with the battery of mobile phone protection board, and at least one charging port and an electric discharge port are respectively arranged with the battery of mobile phone protection board；The charging port correspondence connection battery core simultaneously is used to charge the battery core；The electric discharge port correspondence connection battery core is simultaneously discharged for the battery core.Increase charging port by battery of mobile phone protection board; and it is respectively provided with charging port and electric discharge port; increase the Copper Foil width of charging circuit; also increase the pin of plug connector in charging port and the contact area of charging circuit; accelerate rechargeable battery through-current capability; lower heating, reduce the benefit of internal resistance.
Description
Technical field
The utility model is related to the technical field of battery, especially relates to a kind of rechargeable cellphone battery.
Background technology
Battery of mobile phone is the energy storage instrument that electric power is provided for mobile phone, in existing embedded in mobile phone battery on printed circuit board (PCB)
Charge and discharge loop Tong Kou, but with the progressively popularization of the technology filled soon, the traditional charge and discharge loop of this battery of mobile phone is total to
With the PCB (printed circuit board) of a port, it is difficult to meet fast because of the problems such as high current Copper Foil is narrow, internal resistance big, heating is serious
Fast charging performance requirement.
The existing market requirement short time is fully charged, saves the charging interval, causes to set when clocking requirement charges electric current increasingly
Greatly.
Utility model content
Main purpose of the present utility model is to provide a kind of rechargeable cellphone battery of quick charge.
The utility model proposes a kind of rechargeable cellphone battery, including battery core and battery of mobile phone protection board, the battery core and institute
The connection of battery of mobile phone protection board is stated, at least one charging port and an electric discharge are respectively arranged with the battery of mobile phone protection board
Port；The charging port correspondence connection battery core simultaneously is used to charge the battery core；The electric discharge port correspondence connects
Connect the battery core and discharged for the battery core.
Further, two charging ports are provided with the battery of mobile phone protection board, the charging port is located at described
Between the both positive and negative polarity of battery core.
Further, the battery of mobile phone protection board is provided with protection circuit；The charging port and the electric discharge port
The protection circuit is connected, the protection circuit is used to protect the discharge and recharge of the battery core.
Further, the protection circuit includes integrated circuit and metal-oxide-semiconductor, and the battery core connects the integrated circuit, institute
State integrated circuit and connect the metal-oxide-semiconductor, the battery core negative pole electrically connects the metal-oxide-semiconductor, and the metal-oxide-semiconductor connects the charging port
With the electric discharge port；
The integrated circuit is provided with the number range of the voltage difference for detecting the metal-oxide-semiconductor two ends, by the voltage difference
Judge the state of the metal-oxide-semiconductor.
Further, the integrated circuit controls opening for the metal-oxide-semiconductor by detecting the voltage difference at the metal-oxide-semiconductor two ends
Off status；
When the integrated circuit detects the voltage difference at the metal-oxide-semiconductor two ends less than or equal to set by the integrated circuit
During the numerical value of voltage difference, the integrated circuit controls the metal-oxide-semiconductor normal work；
When the integrated circuit detects the voltage difference at the metal-oxide-semiconductor two ends more than the voltage set by the integrated circuit
During poor numerical value, the integrated circuit controls the metal-oxide-semiconductor to disconnect.
Further, the metal-oxide-semiconductor includes charging metal-oxide-semiconductor and electric discharge metal-oxide-semiconductor, the charging metal-oxide-semiconductor and the electric discharge
Metal-oxide-semiconductor is serially connected with the battery core negative pole；
The integrated circuit judges the on off state of the charging metal-oxide-semiconductor and electric discharge metal-oxide-semiconductor by the voltage of the battery core,
Further, the integrated circuit controls the charging metal-oxide-semiconductor and the metal-oxide-semiconductor that discharges by the voltage of the battery core
On off state；
When the battery core overcharge, the integrated circuit controls the charging metal-oxide-semiconductor to disconnect；
When the battery core overdischarge, the integrated circuit control electric discharge metal-oxide-semiconductor disconnects.
Further, when the battery core charges, the voltage difference that the integrated circuit detects the metal-oxide-semiconductor two ends is more than
During the numerical value of the voltage difference set by the integrated circuit, the integrated circuit controls the charging metal-oxide-semiconductor to disconnect；
When the battery core is discharged, the integrated circuit detects the voltage difference at the metal-oxide-semiconductor two ends more than described integrated
During the numerical value of the voltage difference set by circuit, the integrated circuit control electric discharge metal-oxide-semiconductor disconnects.
Further, the battery of mobile phone protection board includes current-limiting resistance, and current-limiting resistance one end connection is described integrated
Circuit, the other end is connected between the metal-oxide-semiconductor and the charging port, the electric connection of the electric discharge port, the current limliting
Resistance is used to carry out current limliting to the protection circuit.
Further, the battery of mobile phone protection board include also include fuse or PTC thermistor, the fuse or
PTC thermistor one end connects the battery core, and the other end is connected to the charging port and electric discharge port.
Rechargeable cellphone battery of the present utility model, by increasing charging port on battery of mobile phone protection board, and sets respectively
Charging port and electric discharge port are put, the Copper Foil width of charging circuit is increased, the pipe of plug connector in charging port is also increased
Pin and the contact area of charging circuit, increase rechargeable battery through-current capability, shorten the charging interval.
Brief description of the drawings
Fig. 1 is the charge and discharge schematic diagram of the rechargeable cellphone battery of the embodiment of the utility model one；
Fig. 2 is the circuit block diagram of the rechargeable cellphone battery of the embodiment of the utility model one；
Fig. 3 is the circuit diagram of the rechargeable cellphone battery of the embodiment of the utility model one；
Fig. 4 is the battery of mobile phone protection plate structure schematic diagram of the rechargeable cellphone battery of the embodiment of the utility model one.
The realization of the utility model purpose, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
Shown in reference picture 1-4, a kind of rechargeable cellphone battery, including the He of battery core 1 are provided in the embodiment of the utility model one
Battery of mobile phone protection board 11, battery core 1 is connected with battery of mobile phone protection board 11, is respectively arranged with least on battery of mobile phone protection board 11
One charging port 4 and an electric discharge port 3；The correspondence of charging port 4 connection battery core 1 simultaneously is used to charge battery core 1；Electric discharge
The correspondence connection battery core 1 of port 3 is simultaneously discharged for battery core 1.In the present embodiment, can be filled by the correspondence connection of charging port 4
Circuit 5 charges to battery core 1, the connection discharge circuit 2 of battery core 1, the correspondence connection electric discharge of discharge circuit 2 port 3, realizes battery core
1 electric discharge.By being respectively provided with charging port 4 and electric discharge port 3 on battery of mobile phone protection board 11, can be charged by increasing
Copper Foil width realize quick charge, increase the through-current capability of electric current.
Battery of mobile phone protection board is also referred to as printed circuit board (PCB), also known as printed circuit board (PCB), with insulation board as base material, is cut into
Certain size, at least has a conductive pattern thereon, and is furnished with hole for replacing the chassis of conventional device electronic component, and
The interconnection between electronic component is realized, is the supporter of electronic component as important electronic unit.
As shown in figure 4, in the present embodiment, rechargeable cellphone battery is the energy storage instrument that electric power is provided for mobile phone, charging end
Mouthfuls 4 and electric discharge port 3 be different port and be respectively arranged on rechargeable cellphone battery protection board 11 that battery of mobile phone protection board fills
Electric port 4 and electric discharge port 3 are respectively arranged between the both positive and negative polarity of battery core 1 (B+, B-), are connected by charging port 4 and are provided electricity
The power supply of energy, can be used to charge the battery core 1 of rechargeable cellphone battery；By discharging, port 3 connects mobile phone electrical component, can
Battery core 1 for rechargeable cellphone battery is discharged.Charging and discharging is realized using different ports, charging port 4 and is put
The through-current capability for separating and increasing the Copper Foil width that charging port 4 is connected, increase electric current of electric port 3.
As shown in figure 4, in the present embodiment, two charging ports 4 are provided with above-mentioned battery of mobile phone protection board 11, charge
Port 4 is located between the both positive and negative polarity (B+, B-) of battery core 1.One of pin of charging port 4 connects the positive pole (B+) of battery core 1,
One pin connects the negative pole (B-) of battery core 1, and charging port 4 is arranged between the both positive and negative polarity of battery core 1 (B+, B-), can shorten
Current loop.By increasing charging port 4 on battery of mobile phone protection board 11, when being charged to rechargeable cellphone battery, can
To increase the Copper Foil width of charging circuit, the pin of plug connector in charging port and the contact surface of charging circuit are also increased
Product, saves the fully charged required time.
As Figure 2-3, in the present embodiment, above-mentioned battery of mobile phone protection board 11 is provided with protection circuit 6；Charging port
4 are used to protect the discharge and recharge of battery core 1 with electric discharge port 3 connection protection circuit 6, protection circuit 6.Above-mentioned protection circuit 6
Including integrated circuit 8 and metal-oxide-semiconductor 9, the connection integrated circuit 8 of battery core 1, the connection metal-oxide-semiconductor 9 of integrated circuit 8, the negative pole of battery core 1 connection MOS
Pipe 9, the connection charging port 4 of metal-oxide-semiconductor 9 and electric discharge port 3, integrated circuit 8 are provided with the number of the voltage difference at detection metal-oxide-semiconductor 9 two ends
Value scope, the state of metal-oxide-semiconductor 9 is judged by voltage difference.Integrated circuit 8 controls MOS by detecting the voltage difference at the two ends of metal-oxide-semiconductor 9
The on off state of pipe 9；When integrated circuit 8 detects the voltage difference at the two ends of metal-oxide-semiconductor 9 less than or equal to set by integrated circuit 8
During the numerical value of voltage difference, the control normal work of metal-oxide-semiconductor 9 of integrated circuit 8；When the voltage difference that integrated circuit 8 detects metal-oxide-semiconductor 9 is big
When the numerical value of the voltage difference set by integrated circuit 8, the control metal-oxide-semiconductor 9 of integrated circuit 8 disconnects.
In the present embodiment, metal-oxide-semiconductor 9 includes charging metal-oxide-semiconductor and electric discharge metal-oxide-semiconductor, charging metal-oxide-semiconductor and electric discharge metal-oxide-semiconductor string
It is coupled to the negative pole of battery core 1；Integrated circuit 8 judges the on off state of charging metal-oxide-semiconductor and electric discharge metal-oxide-semiconductor by the voltage of battery core 1.It is integrated
Circuit 8 controls the on off state of charging metal-oxide-semiconductor and electric discharge metal-oxide-semiconductor by the voltage of battery core 1；When 1 overcharge of battery core, integrated electricity
The control charging metal-oxide-semiconductor of road 8 disconnects；When 1 overdischarge of battery core, the control electric discharge metal-oxide-semiconductor of integrated circuit 8 disconnects.When battery core 1 charges
When, integrated circuit 8 detect the voltage difference at electric discharge metal-oxide-semiconductor 9 two ends more than the voltage difference set by integrated circuit 8 numerical value when,
The control charging metal-oxide-semiconductor of integrated circuit 8 disconnects；When battery core 1 is discharged, integrated circuit 8 detects the voltage difference at electric discharge metal-oxide-semiconductor two ends
More than the voltage difference set by integrated circuit 8 numerical value when, integrated circuit 8 control electric discharge metal-oxide-semiconductor disconnect.
In the present embodiment, battery of mobile phone protection board 11 is mainly used for playing rechargeable battery (referring generally to lithium battery) and protects
The surface-mounted integrated circuit of shield effect.Why lithium battery (can fill type) needs protection, is determined by itself characteristic, due to lithium electricity
Pond material in itself determine it can not be overcharged, cross put, excessively stream, short circuit and superhigh temperature discharge and recharge, therefore the electric group of lithium battery lithium
Part would generally be provided with protection board and current protector including sampling resistor, and it is mainly used in overcharging lithium battery, mistake
Put, excessively stream, short circuit and superhigh temperature charge and discharge protecting.
In the present embodiment, charging metal-oxide-semiconductor and electric discharge metal-oxide-semiconductor are series at circuit, and the voltage of battery core 1 is monitored by integrated circuit 8
And be controlled, when the voltage of battery core 1 rises to default peak, charging metal-oxide-semiconductor disconnects, and stops charging.To prevent misoperation,
Delay capacitor is provided with integrated circuit 8.When battery core 1 is under discharge condition, when the voltage of battery core 1 is down to default minimum,
Electric discharge metal-oxide-semiconductor disconnects, and stops powering to the load.Meanwhile, integrated circuit 8 can change judgement and charge by the voltage drop of metal-oxide-semiconductor 9
Or electric discharge when metal-oxide-semiconductor state.When there is larger current to flow through in load, corresponding metal-oxide-semiconductor is controlled to disconnect it.Work as battery core
During 1 short circuit, corresponding disconnection in the control metal-oxide-semiconductor 9 of integrated circuit 8.High-accuracy voltage detection circuit is provided with integrated circuit 8
And delay circuit, can to the overcharging of (chargeable) battery pack, cross the protection put with excessively stream, preferably realize protection circuit 6
Protect the function of rechargeable cellphone battery；And metal-oxide-semiconductor is built-in with 2 N-type metal-oxide-semiconductors, equivalent to switch, charged when to battery core 1
When, by the switch of the detection voltage of integrated circuit 8 difference control charging metal-oxide-semiconductor, play charge protection effect；When battery core 1 is put
When electric, by the switch of the detection voltage of integrated circuit 8 difference control electric discharge metal-oxide-semiconductor, discharge prevention effect is played.
In the present embodiment, two charging ports 4 and an electric discharge port 3 are provided with battery of mobile phone protection board 11, will
Charge and discharge loop separates, and discharge loop flows to electric discharge port 3 by battery core 1 by protection circuit 6, is discharged for battery core 1；
Charge circuit flows to battery core 1 by two charging ports 4 by protection circuit 6, for being charged to battery core 1.Two charging ends
Mouth 4 and an electric discharge port 3 may be contained between the both positive and negative polarity of battery core 1, shorten the distance in charge and discharge loop, increase by two and fill
Electric port 4 increases major loop Copper Foil width, while also increasing contact of the pin with charge circuit in the connector of charging port 4
Area.Increase the current flowing ability of rechargeable battery, solve the problems such as internal resistance is big, heating is serious.
Rechargeable cellphone battery uses lithium battery, and the defencive function of lithium battery is generally by protection circuit plate and PTC current devices
Collaboration is completed, and protection board is made up of electronic circuit, and battery core can be accurately monitored at the moment in the environment of -40 DEG C to+85 DEG C
Voltage and the electric current in charge and discharge loop, the break-make in instant control electric current loop；It is severe that PTC prevents battery from occurring in high temperature environments
Damage.Protection board generally includes control integrated circuit (IC) and MOS switch.Wherein control integrated circuit (IC), is all going well
In the case of control MOS switch conducting, link up battery core and external circuit, and work as battery core voltage or loop current exceedes setting
When, the safety of battery core is protected in its (several ms) control MOS switch shut-off at once.
In the present embodiment, battery of mobile phone protection board 11 includes current-limiting resistance 14, and the one end of current-limiting resistance 14 connects integrated electricity
Road 8, the other end is connected between metal-oxide-semiconductor 8 and charging port 4, the electric connection of electric discharge port 3, and current-limiting resistance 14 is used for protecting
Protection circuit 6 carries out current limliting.Integrated circuit 8 is provided with the first test point 12 being electrically connected between metal-oxide-semiconductor 9 and the negative pole of battery core 1,
Be additionally provided with and be electrically connected with metal-oxide-semiconductor 9 and charging port 4 and the second test point 13 of port 3 of discharging, the second test point 13 with it is integrated
Current-limiting resistance 14 is provided between circuit, electricity is flowed through when current-limiting resistance 14 is for control rechargeable cellphone battery reverse connection (connect and put)
Stream, and play metering function.Above-mentioned rechargeable cellphone battery also includes fuse, and fuse one end connects battery core 1, and the other end is connected to
Charging port 4 and electric discharge port 3.In another embodiment, fuse can also be replaced into PTC thermistor 7, PTC temperature-sensitives electricity
7 one end connection battery core 1 is hindered, the other end is connected to charging port 4 and electric discharge port 3.Using fuse or PTC thermistor
Independent component, independent flows through electric current, plays over-temperature protection component.
PTC thermistor is semistor, is a kind of semiconductor resistor of the typical case with temperature sensitivity,
During more than certain temperature (Curie temperature), with rising the increasing in step evolution of temperature, temperature is higher, electricity for its resistance value
Resistance is bigger；PTC can prevent battery high-temperature electric discharge and the generation of unsafe high current in battery product.In the present embodiment
In, PTC thermistor is a very important part in rechargeable cellphone battery subassembly product, and the safety to battery is undertaken emphatically
Mission is wanted, the performance and quality of itself are an important factors of battery performance and quality.
As Figure 1-4, in one embodiment, positive pole connection integrated circuit 8 and the PTC thermistor one of battery core 1
End, wherein integrated circuit 8 is connected with metal-oxide-semiconductor 9, metal-oxide-semiconductor 9 include discharge metal-oxide-semiconductor and charging metal-oxide-semiconductor, integrated circuit 8 respectively with put
Electric metal-oxide-semiconductor and charging metal-oxide-semiconductor are connected, and integrated circuit 8 can be by detecting the voltage of battery core 1, when the overtension for reading battery core 1
When, judging that battery core 1 is overcharge, now charging circuit exception, the control charging metal-oxide-semiconductor of integrated circuit 8 disconnects；When reading battery core
During 1 brownout, judge that battery core 1 is overdischarge, now discharge circuit exception, the control electric discharge metal-oxide-semiconductor of integrated circuit 8 disconnects；
Integrated circuit 8 judges charging circuit 4 or electric discharge electricity by detecting the voltage difference of the first test point 12 and the second test point 13
Road 3 whether normal work；Flowing through electric current and playing limit when current-limiting resistance 14 is used to control rechargeable cellphone battery reverse connection (connect and put)
Stream is acted on, and when the voltage difference of the first test point 12 and the second test point 13 is more than the voltage difference numerical value that integrated circuit 8 is set, is then collected
Corresponding charging metal-oxide-semiconductor or electric discharge metal-oxide-semiconductor is controlled to disconnect into circuit 8；The other end of PTC thermistor 7 connects the He of charging port 4
Electric discharge port 3, when port 3 of discharging connects mobile phone electrical component, the positive pole of battery core 1 connection PTC thermistor 7 one end, PTC temperature-sensitives
The other end of resistance 7 connection electric discharge port 3, the voltage that integrated circuit 8 reads battery core 1 by connecting battery core 1 judges and controls electric discharge
The switch of metal-oxide-semiconductor, electric discharge port 3 connection metal-oxide-semiconductor 9, metal-oxide-semiconductor 9 connects the negative pole of battery core 1, is discharged for battery core 1；Work as charging end
The connection of mouth 4 provides the power supply of electric energy, one end of connection PTC thermistor 7 of charging port 4, the connection of the other end of PTC thermistor 7
The positive pole of battery core 1, integrated circuit 8 by reading the switch that the voltage of battery core 1 judges and controls charging metal-oxide-semiconductor 9, battery core 1 it is negative
Pole connects metal-oxide-semiconductor 9, and the connection charging port 4 of metal-oxide-semiconductor 9, the P- and P+ of charging port 4 form complete charge circuit, and it is right to can be used for
Battery core 1 is charged.
The assembling space of rechargeable cellphone battery can be less and less, to meet electric property, it is necessary to increase flaggy, but increases
Flaggy can increase cost.According to the battery of mobile phone protection board of the different mouth in charge and discharge port, can be in limited space, less
Flaggy solves that through-current capability is inadequate, internal resistance big, heating is serious, temperature rise the problems such as
Rechargeable cellphone battery of the present utility model, by increasing charging port on battery of mobile phone protection board, and sets respectively
Charging port and electric discharge port are put, the Copper Foil width of charging circuit is increased, the pipe of plug connector in charging port is also increased
Pin and the contact area of charging circuit, accelerate rechargeable battery through-current capability, lower heating, reduce the benefit of internal resistance.
Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited,
Equivalent structure or equivalent flow conversion that every utilization the utility model specification and accompanying drawing content are made, or directly or indirectly fortune
Used in other related technical fields, similarly it is included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of rechargeable cellphone battery, it is characterised in that including battery core and battery of mobile phone protection board, the battery core and the mobile phone
Battery protecting plate is connected, and at least one charging port and an electric discharge port are respectively arranged with the battery of mobile phone protection board；
The charging port correspondence connection battery core simultaneously is used to charge the battery core；
The electric discharge port correspondence connection battery core is simultaneously discharged for the battery core.
2. rechargeable cellphone battery according to claim 1, it is characterised in that be provided with two on the battery of mobile phone protection board
Individual charging port, the charging port is located between the both positive and negative polarity of the battery core.
3. rechargeable cellphone battery according to claim 1 and 2, it is characterised in that the battery of mobile phone protection board is provided with
Protection circuit；
The charging port and the electric discharge port connect the protection circuit, and the protection circuit is used to fill the battery core
Electric discharge is protected.
4. rechargeable cellphone battery according to claim 3, it is characterised in that the protection circuit include integrated circuit and
Metal-oxide-semiconductor, the battery core connects the integrated circuit, and the integrated circuit connects the metal-oxide-semiconductor, and the battery core negative pole connection is described
Metal-oxide-semiconductor, the metal-oxide-semiconductor connects the charging port and the electric discharge port；
The integrated circuit is provided with the number range of the voltage difference for detecting the metal-oxide-semiconductor two ends, is judged by the voltage difference
The state of the metal-oxide-semiconductor.
5. rechargeable cellphone battery according to claim 4, it is characterised in that the integrated circuit is by detecting the MOS
The voltage difference at pipe two ends, controls the on off state of the metal-oxide-semiconductor；
When the integrated circuit detects the voltage difference at the metal-oxide-semiconductor two ends less than or equal to the electricity set by the integrated circuit
During the numerical value of pressure difference, the integrated circuit controls the metal-oxide-semiconductor normal work；
When the integrated circuit detects the voltage difference at the metal-oxide-semiconductor two ends more than the voltage difference set by the integrated circuit
During numerical value, the integrated circuit controls the metal-oxide-semiconductor to disconnect.
6. rechargeable cellphone battery according to claim 5, it is characterised in that the metal-oxide-semiconductor includes charging metal-oxide-semiconductor and puts
Electric metal-oxide-semiconductor, the charging metal-oxide-semiconductor and the electric discharge metal-oxide-semiconductor are series at the battery core negative pole；
The integrated circuit judges the on off state of the charging metal-oxide-semiconductor and electric discharge metal-oxide-semiconductor by the voltage of the battery core.
7. rechargeable cellphone battery according to claim 6, it is characterised in that the electricity that the integrated circuit passes through the battery core
The on off state of the voltage-controlled system charging metal-oxide-semiconductor and electric discharge metal-oxide-semiconductor；
When the battery core overcharge, the integrated circuit controls the charging metal-oxide-semiconductor to disconnect；
When the battery core overdischarge, the integrated circuit control electric discharge metal-oxide-semiconductor disconnects.
8. rechargeable cellphone battery according to claim 6, it is characterised in that when the battery core charges, the integrated electricity
Road detect the voltage difference at the metal-oxide-semiconductor two ends more than the voltage difference set by the integrated circuit numerical value when, it is described integrated
Circuit controls the charging metal-oxide-semiconductor to disconnect；
When the battery core is discharged, the voltage difference that the integrated circuit detects the metal-oxide-semiconductor two ends is more than the integrated circuit
During the numerical value of set voltage difference, the integrated circuit control electric discharge metal-oxide-semiconductor disconnects.
9. rechargeable cellphone battery according to claim 4, it is characterised in that the battery of mobile phone protection board includes current limliting electricity
Resistance, described current-limiting resistance one end connects the integrated circuit, and the other end is connected to the metal-oxide-semiconductor and the charging port, described
Discharge between the electric connection of port, the current-limiting resistance is used to carry out current limliting to the protection circuit.
10. rechargeable cellphone battery according to claim 1, it is characterised in that the battery of mobile phone protection board also includes protecting
Dangerous silk or PTC thermistor, the fuse or PTC thermistor one end connect the battery core, and the other end is connected to described filling
Electric port and electric discharge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621464601.9U CN206302188U (en) | 2016-12-29 | 2016-12-29 | Rechargeable cellphone battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621464601.9U CN206302188U (en) | 2016-12-29 | 2016-12-29 | Rechargeable cellphone battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206302188U true CN206302188U (en) | 2017-07-04 |
Family
ID=59204615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621464601.9U Withdrawn - After Issue CN206302188U (en) | 2016-12-29 | 2016-12-29 | Rechargeable cellphone battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206302188U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849218A (en) * | 2016-12-29 | 2017-06-13 | 欣旺达电子股份有限公司 | Rechargeable cellphone battery |
| CN111277026A (en) * | 2020-05-08 | 2020-06-12 | 北京小米移动软件有限公司 | Charging and discharging circuit system |
-
2016
- 2016-12-29 CN CN201621464601.9U patent/CN206302188U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849218A (en) * | 2016-12-29 | 2017-06-13 | 欣旺达电子股份有限公司 | Rechargeable cellphone battery |
| CN106849218B (en) * | 2016-12-29 | 2023-09-26 | 欣旺达电子股份有限公司 | mobile phone rechargeable battery |
| CN111277026A (en) * | 2020-05-08 | 2020-06-12 | 北京小米移动软件有限公司 | Charging and discharging circuit system |
| CN111277026B (en) * | 2020-05-08 | 2020-08-14 | 北京小米移动软件有限公司 | Charging and discharging circuit system |
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Granted publication date: 20170704 Effective date of abandoning: 20230926 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170704 Effective date of abandoning: 20230926 |