CN106684960B - A kind of charge control method, charging system and electronic equipment - Google Patents
A kind of charge control method, charging system and electronic equipment Download PDFInfo
- Publication number
- CN106684960B CN106684960B CN201610743135.6A CN201610743135A CN106684960B CN 106684960 B CN106684960 B CN 106684960B CN 201610743135 A CN201610743135 A CN 201610743135A CN 106684960 B CN106684960 B CN 106684960B
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- electronic equipment
- charging
- temperature
- main control
- elastic slice
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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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
Abstract
The embodiment of the invention discloses a kind of charge control method, charging system and electronic equipments to improve the safety of electronic equipment charging to prevent electronic equipment charge port from burning.The electronic equipment includes: battery and charging jack, the inner wall of the charging jack is enclosed with metal layer, insulating layer is laid on the metal layer of the charging jack bottom surface, power supply elastic slice and grounding elastic slice are laid on the insulating layer, it is characterized in that, the electronic equipment further include: main control chip and logic switch, wherein, logic switch is series between grounding elastic slice and metal layer, and it is connect with main control chip, the main control chip is used to obtain the first current temperature of charge port, when judging whether first temperature is greater than the first given threshold, if it is, control instruction is sent to logic switch, control logic switch disconnects.It is disconnected due to can control logic switch, makes the electric current 0 of the leakage path including logic switch, and then can prevent electronic equipment charge port from burning.
Description
Technical field
The present invention relates to electronic equipment charging technique field, in particular to a kind of charge control method, charging system and electricity
Sub- equipment.
Background technique
It is higher and higher to the consumption of electric quantity for electronic equipment with the promotion that electronic equipment configures, therefore to charging equipment
It is required that also higher and higher.Charging equipment is connected by charge connector with electronic equipment, is realized electron equipment charge, is such as schemed
Shown in 1A, the charging modes of electronic equipment include following methods: the attaching plug of charging equipment, which obtains, comes from conventional electric power
The electric power of socket, charging equipment convert alternating current to the direct current of predetermined voltage using general components, which is applicable in
It charges in via normal charge connector to electronic equipment；Alternatively, it includes the normal of general components that attaching plug, which can be,
DC power supply plug is advised, which is transformed into the DC electric current and voltage of entrance suitable for charging to electronic equipment
When DC electric current and voltage, so as to be charged by charge connector to electronic equipment；Again alternatively, charging equipment can be with
Comprising battery, the battery in the AC power supplies or charging equipment that not can be used for not including the case where mentioning under attaching plug
For charging current.
Repeatedly plugged or foreign matter squeeze after, the elastic slice end sharp parts in charge connector be possible to elastic slice by squeeze
Insulating materials is gradually poked after pressure, to touch the metal layer of charging jack, forms leakage path.It include electricity in electronic equipment
The inner wall of pond and charging jack, the charging jack is enclosed with metal layer, lays on the metal layer of the charging jack bottom surface
There is insulating layer, power supply elastic slice Power and grounding elastic slice GND are laid on the insulating layer, the elastic slice end in charge connector
After insulating materials is poked at end, equivalent resistance Rsh202 is formed between power supply elastic slice Power and the metal layer of charging jack, is such as schemed
Outer ring metal layer, power supply bullet are respectively included in the charging jack of equivalent circuit diagram shown in 1B, charge connector and electronic equipment
Piece Power, grounding elastic slice GND and at least one data elastic slice, after insulating materials is poked in the elastic slice end in charge connector,
Equivalent resistance Rsh202 is formed between power supply elastic slice Power and the metal layer of charging jack, allows electric current directly from charging
Power supply elastic slice Power in connector flows to the outer ring metal layer of charge connector by equivalent resistance Rsh202, due to charging
Connector is contacted with the metal layer in the charging jack of electronic equipment, so that electric current is by the gold in the charging jack of electronic equipment
Belong to grounding elastic slice GND of the laminar flow into the charging jack of electronic equipment, since insulation is poked in the elastic slice end in charge connector
Material forms leakage path as shown in Figure 1, and this equivalent resistance Rsh202 is caused to generate heat, and the bullet in charge connector
The contact area very little of piece and the metal layer of charging jack radiates very poor, therefore equivalent resistance can heat up quickly, burns charging and connects
Connect device and electronic equipment charge port material nearby.As electronic equipment is increased using time increase, plug number, burns charging and connect
The probability for connecing material near device and electronic equipment charge port is bigger, so that the safety of electronic equipment charging substantially reduces.
Summary of the invention
The embodiment of the invention discloses a kind of charge control method, charging system and electronic equipments, to prevent electronics from setting
Standby charge port is burnt, and the safety of electronic equipment charging is improved.
In order to achieve the above objectives, the embodiment of the invention discloses a kind of charge control method, charging system and electronic equipment,
It include: battery and charging jack, the inner wall of the charging jack is enclosed with metal layer, the metal layer in the charging jack bottom surface
On be laid with insulating layer, power supply elastic slice and grounding elastic slice, the electronic equipment further include: master control are laid on the insulating layer
Chip and logic switch；Wherein,
The logic switch is series between the grounding elastic slice and the metal layer, and connect with main control chip；
The current temperature of charge port of the main control chip for obtaining the electronic equipment, judges whether the temperature is big
When the first given threshold, if so, sending control instruction to the logic switch, controls the logic switch and disconnect.
Further, the electronic equipment further includes charhing unit；
The charhing unit is series between power supply elastic slice and battery, and connect with main control chip；
The main control chip is used for when judging that the temperature is greater than the first given threshold, and Xiang Suoshu charhing unit sends control
System instruction controls the charhing unit and stops powering to the battery.
Further, the electronic equipment further includes load switch；
The load switch is series between power supply elastic slice and charhing unit, and connect with main control chip；
The main control chip is used for when judging that the temperature is greater than the first given threshold, and Xiang Suoshu load switch sends control
System instruction controls the load switch and disconnects.
Further, the electronic equipment further includes communication unit；
The communication unit is connect with main control chip；
The main control chip is used for when judging that the temperature is greater than the first given threshold, and the transmission of Xiang Suoshu communication unit stops
Only charge control instructs；
After the communication unit receives the stopping charge control instruction that the main control chip is sent, the stopping is charged
Control instruction is sent to charging equipment.
Further, the main control chip is used for when judging that the temperature is greater than the first given threshold, to the communication
Unit sends the stopping charge control that electric current is 0 and instructs.
Further, at least one data elastic slice is also laid on the insulating layer of the charging jack；
The communication unit is connect at least one described data elastic slice, the data elastic slice be used for in charge connector
Data line connection；
The stopping charge control being instructed and is sent to the charging equipment by data elastic slice by the communication unit.
Further, the electronic equipment further include: temperature sensor；
The temperature sensor is arranged in the set distance of the charging jack, one end of the temperature sensor and institute
State main control chip connection, other end ground connection；
The current temperature of the charge port that the main control chip is used to obtain the electronic equipment according to the temperature sensor.
The embodiment of the invention provides a kind of charging systems, and the system comprises the electronic equipments, and with the electricity
The charging equipment that sub- equipment is connected by charge connector.
On the other hand, the embodiment of the invention provides a kind of electronic equipment charge control method, the electronic equipment with fill
Electric equipment is connected by charge connector, applied to the main control chip in the electronic equipment, in the charging of the electronic equipment
Grounding elastic slice in socket and logic switch is in series between the metal layer of the charging jack, which comprises
Obtain the first current temperature of the charge port of the electronic equipment；
Judge whether the first current temperature of charge port is greater than the first given threshold；
When judging that the first current temperature of charge port is greater than the first given threshold, Xiang Suoshu logic switch sends control and refers to
It enables, controls the logic switch and disconnect.
It further, further include charhing unit in the electronic equipment；
The charhing unit is series between power supply elastic slice and battery, and connect with main control chip；
When judging that the first current temperature of charge port is greater than the first given threshold, the method also includes:
Control instruction is sent to the charhing unit, the charhing unit is controlled and stops powering to the battery.
It further, further include load switch in the electronic equipment；
The load switch is series between power supply elastic slice and the charhing unit, and connect with main control chip；
When judging that the first current temperature of charge port is greater than the first given threshold, the method also includes:
Control instruction is sent to the load switch, the load switch is controlled and disconnects.
Further, the electronic equipment further includes communication unit；
The communication unit is connect with main control chip；
When judging that the first current temperature of charge port is greater than given threshold, the method also includes:
It is sent to the communication unit and stops charge control instruction, refer to the communication unit by the stopping charge control
Order is sent to charging equipment.
Further, the method also includes:
Obtain the current second temperature of the charge port of the electronic equipment；
Judge the second temperature whether less than the second given threshold；
If so, the charging equipment is notified to start to charge.
Further, in the electronic equipment further include: temperature sensor, the temperature sensor are arranged in the charging
In the set distance of socket, the current temperature of the charge port for obtaining the electronic equipment includes:
Obtain the voltage of the temperature sensor；
According to the voltage, the resistance value of presently described temperature sensor is calculated；
According to the corresponding relationship of the resistance value of the temperature sensor of preservation and temperature, the corresponding temperature of current resistance value is made
For the current temperature of charge port.
The embodiment of the invention provides a kind of charge control method, charging system and electronic equipment, the electronic equipment packet
Include: the inner wall of battery and charging jack, charging jack has metal layer, and insulation is laid on the metal layer of charging jack bottom surface
Layer, is laid with power supply elastic slice and grounding elastic slice, electronic equipment further include: main control chip and logic switch, logic on the insulating layer
Switch is series between grounding elastic slice and metal layer, and is connect with main control chip, and setting for charging jack is arranged in temperature sensor
In set a distance, main control chip is used to obtain the first current temperature of charge port, when first temperature is greater than the first given threshold
When, control instruction is sent to logic switch, control logic switch disconnects.Due in embodiments of the present invention, the main control chip
When judging that the current temperature of the charge port obtained is greater than given threshold, control logic switch is disconnected, so that including that logic switch exists
The electric current of interior leakage path is 0, and the equivalent resistance between power supply elastic slice and the metal layer of charging jack no longer generates heat, therefore,
Charge port burnout problems caused by generating heat due to electronic equipment can be prevented, the safety of electronic equipment charging is improved.
Detailed description of the invention
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 technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Figure 1A is the charging environment schematic for a kind of electronic equipment that the prior art provides；
Figure 1B is a kind of leakage path equivalent model schematic diagram that the prior art provides；
Fig. 2 is a kind of electronic equipment attachment structure schematic diagram provided in an embodiment of the present invention；
Fig. 3 is a kind of electronic equipment attachment structure schematic diagram that the next embodiment of the present invention provides；
Fig. 4 be another embodiment of the present invention provides a kind of electronic equipment attachment structure schematic diagram；
Fig. 5 be another embodiment of the present invention provides a kind of electronic equipment attachment structure schematic diagram；
Fig. 6 is a kind of electronic equipment attachment structure schematic diagram that yet another embodiment of the invention provides；
Fig. 7 is a kind of electronic equipment charging control process schematic diagram provided in an embodiment of the present invention；
Fig. 8 A-8B is another leakage path equivalent model schematic diagram that the prior art provides；
Fig. 9 be another embodiment of the present invention provides a kind of electronic equipment charging control process schematic diagram.
Specific embodiment
Electronic equipment charge port is burnt in order to prevent, improves the safety of electronic equipment charging, and the embodiment of the present invention provides
A kind of charge control method, charging system and electronic equipment.
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 description, 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.
Fig. 2 is a kind of electronic equipment attachment structure schematic diagram provided in an embodiment of the present invention, and the electronic equipment 11 includes:
Battery 111 and charging jack 112, wherein the inner wall of the charging jack is enclosed with metal layer 1121, in the charging jack
It is laid with insulating layer 1122 on the metal layer 1121 of 112 bottom surfaces, 1123 He of power supply elastic slice is laid on the insulating layer 1122
Grounding elastic slice 1124, the electronic equipment further include: main control chip 113 and logic switch 115.
The logic switch 115 is series between grounding elastic slice 1124 and the metal layer 1121, and with main control chip 113
Connection.
In embodiments of the present invention, logic switch 115 is serially connected between grounding elastic slice 1124 and the metal layer 1121,
And logic switch 115 is connect with main control chip 113, and main control chip 113 can send control instruction to logic switch 115, should
Control instruction can control the disconnection or conducting of logic switch 115, and then controlling includes logic switch 115, grounding elastic slice 1124
With the disconnection or conducting of the circuit including the metal layer 1121.
The main control chip 113 is used to obtain the first current temperature of charge port, judges whether first temperature is greater than
First given threshold, if so, sending control instruction to logic switch 115, control logic switch 115 is disconnected.
Specifically, the main control chip 113 preserves the first given threshold, which is to guarantee that the electronics is set
The standby temperature value not being burned out, and first given threshold that each type of electronic equipment saves can be identical, can also be with
It is different.Such as electronic equipment, corresponding first given threshold can be selected according to the material of electronic equipment charging jack.
Main control chip 113 can dispose sensitiveer when obtaining the first temperature of charge port currently around charge port
Thermometer the temperature value is input to electronic equipment when temperature reaches certain numerical value, electronic equipment obtain input this fill
The first current temperature of power port, specifically, electronic equipment when being charged, can provide the interface for carrying out temperature input, with
The input of temperature is carried out for user.
After the main control chip 113 obtains the first current temperature of charge port, by the first current temperature of the charge port
Degree is compared with first given threshold, is worked as when the main control chip 113 gets charge port according to temperature sensor 114
When the first preceding temperature is greater than given threshold, control instruction is sent to logic switch 115, control logic switch 115 disconnects.Work as institute
When stating main control chip 113 and getting the first current temperature of charge port no more than the first given threshold according to temperature sensor 114,
Control instruction can not be sent to logic switch 115, continue to be connected alternatively, sending control logic switch 115 to logic switch 115
Control instruction.
Due to logic switch 115 of having connected between grounding elastic slice 1124 and the metal layer 1121, and logic switch
115 connect with main control chip 113, and main control chip 113 is judging the first current temperature of charge port greater than the first given threshold
When, control instruction is sent to logic switch 115, control logic switch 115 disconnects, and then controlling includes logic switch 115, ground connection
Circuit including elastic slice 1124 and the metal layer 1121 disconnects, so that the circuital current is 0, it is therefore prevented that electronic equipment
Charge port is burnt, and the safety of electronic equipment charging is improved.
On the basis of the above embodiments, in order to accurately obtain the current temperature of charge port, as shown in figure 3, of the invention
Electronic equipment 11 in embodiment further include: temperature sensor 114；
The temperature sensor 114 is arranged in the set distance of the charging jack 112, the temperature sensor 114
One end connect with the main control chip 113, the other end ground connection；
The main control chip is used to obtain the first current temperature of charge port according to the temperature sensor.
In embodiments of the present invention, the temperature sensor 114 includes negative temperature coefficient thermo-sensitive resistor NTC and thermistor
PTC.Temperature sensor 114 is arranged in the set distance of the charging jack 112, specifically, the set distance is institute
Stating temperature sensor can be in the temperature of this range measurement to charge port, and the temperature of the temperature sensor measurement is charging
The current temperature of mouth itself.One end of the temperature sensor 114 is connect with the main control chip 113, other end ground connection.Institute
It states temperature sensor 114 and the main control chip 113 forms a circuit, the voltage of the temperature sensor 114 is with charge port
The variation of temperature and corresponding change, the main control chip 113 obtain the voltage of the temperature sensor 114, according to the voltage,
The resistance value for calculating presently described temperature sensor, according to the corresponding relationship of the resistance value of the temperature sensor of preservation and temperature,
Using the corresponding temperature of current resistance value first temperature current as charge port.
Fig. 4 be another embodiment of the present invention provides a kind of electronic equipment attachment structure schematic diagram, the electronic equipment 11
Further include: charhing unit 121；
The charhing unit 121 is series between power supply elastic slice 1123 and battery 111, and is connect with main control chip 113；
The main control chip 113 is used for when judging that first temperature is greater than the first given threshold, to charhing unit 121
Control instruction is sent, control charhing unit 121 stops powering to the battery 111.
Specifically, the charhing unit 121 is series between power supply elastic slice 1123 and battery 111, and with main control chip 113
Connection, the main control chip 113 preserve the first given threshold, when the main control chip 113 obtains current first of charge port
After temperature, the first current temperature of the charge port is compared with first given threshold, when the main control chip 113
When getting the first current temperature of charge port greater than the first given threshold according to temperature sensor 114, sent out to charhing unit 121
Control instruction is sent, control charhing unit 121 stops powering to the battery 111.When the main control chip 113 is according to temperature sensing
When device 114 gets the first current temperature of charge port no more than the first given threshold, it can not send and control to charhing unit 121
System instruction, alternatively, sending control charhing unit 121 to charhing unit 121 continues the control instruction powered to the battery 111.
Specifically, charhing unit 121 may include conventional charging chip and charging circuit, and when charging normal, master control
The control instruction that chip 113 is sent to charhing unit is low ping value (since some data packet is sent to server, to receiving
Time until server response bag) signal, charhing unit works normally, when main control chip 113 judges the current temperature of charge port
When degree is greater than the first given threshold, the control instruction that the main control chip 113 is sent to charhing unit is high ping value signal, is made
Charhing unit stops powering to the battery 111.
Due to being greater than setting when the main control chip 113 gets the current temperature of charge port according to temperature sensor 114
When threshold value, high ping value signal is sent to charhing unit 121, makes charhing unit 121 stop powering to the battery 111, in turn
Disconnect the circuit including charhing unit 121, power supply elastic slice 1123 and battery 111, so that the circuital current is
0, it has further prevented electronic equipment charge port to burn, has improved the safety of electronic equipment charging.
On the basis of the above embodiments, charge port is burnt in order to prevent, can also increase in the electronic device load
Switch 116, Fig. 5 be another embodiment of the present invention provides a kind of electronic equipment attachment structure schematic diagram；
The load switch 116 is series between power supply elastic slice 1123 and charhing unit 121, and is connected with main control chip 113
It connects；
The main control chip 113 is used to send when judging that the temperature is greater than the first given threshold to load switch 116
Control instruction, control load switch 116 disconnect.
After the main control chip 113 obtains charge port current temperature, by the current temperature of the charge port with it is described
First given threshold is compared, and when the temperature is greater than the first given threshold, sends control instruction, control to load switch 116
Load switch 116 processed disconnects.It, can not be to negative when the main control chip 113 judges the temperature no more than the first given threshold
Load switch 116 sends control instruction, refers to alternatively, sending the control that control load switch 116 continues to be connected to load switch 116
It enables.
Due to load switch 116 of having connected between power supply elastic slice 1123 and the charhing unit 121, and load switch
116 connect with main control chip 113, main control chip 113 judge the current temperature of charge port be greater than the first given threshold when, to
Load switch 116 sends control instruction, and control load switch 116 disconnects, and then controlling includes load switch 116, power supply elastic slice
1123 and the charhing unit 121 including circuit disconnection so that the circuital current be 0, it is therefore prevented that electronic equipment
Charge port is burnt, and the safety of the charging of electronic equipment 11 is improved.Load switch 116 is receiving the transmission of main control chip 113
It after open command, can timely disconnect, so that the protective capability to charge port is stronger.
Fig. 6 is a kind of electronic equipment attachment structure schematic diagram that yet another embodiment of the invention provides, the electronic equipment 11
Further include: communication unit 131；
The communication unit 131 is connect with main control chip 113；
The main control chip 113 is used to send when judging that the temperature is greater than the first given threshold to communication unit 131
Stop charge control instruction；
After the communication unit 131 receives the stopping charge control instruction that the main control chip 113 is sent, stop described
Only charge control instruction is sent to charging equipment 22.
Specifically, as shown in fig. 6, including power supply elastic slice 1123, ground connection bullet in the charging jack 112 of the electronic equipment 11
Piece 1124 and at least one data elastic slice are 3 data elastic slices in Fig. 6, and the communication unit 131 is connect with main control chip 113,
And it is connect at least one data elastic slice, at least one described data elastic slice may include three data elastic slices, respectively count
According to elastic slice D- (IO1) 1125, data elastic slice D+ (IO2) 1126, data elastic slice ID (IO3) 1127.The communication unit 131 and number
According to elastic slice D- (IO1) 1125, data elastic slice D+ (IO2) 1126, the connection of data elastic slice ID (IO3) 1127, and the communication unit
Stopping charge control instruction is passed through data elastic slice D- (IO1) 1125, data elastic slice D+ (IO2) 1126, data elastic slice by 131
ID (IO3) 1127 is sent to the charging equipment 22, and the stopping charge control instruction is that the stopping charge control that electric current is 0 refers to
It enables.
As shown in fig. 6, including power supply elastic slice 2245, grounding elastic slice 2246 in the charging jack 224 of the charging equipment 22
With at least one data elastic slice, the charging equipment 22 further include communication and Power Management Unit 221, power conversion unit 222,
Battery 223.At least one described data elastic slice in the charging jack 224 may include for three data elastic slices, respectively
Data elastic slice D- (IO1) 2241, data elastic slice D+ (IO2) 2242, data elastic slice ID (IO3) 2243.The charging equipment 22 into
The mode of row charging can charge to be inserted into conventional electric power socket by attaching plug, be also possible to by charging equipment
Battery 223 charge to electronic equipment 11.It is filled when charging equipment 22 is inserted into conventional electric power socket by attaching plug
When electric, after receiving stopping charge control instruction, control power conversion unit 222 stops for communication and Power Management Unit 221
It charges to electronic equipment, so that the electric current of the circuit including communication and Power Management Unit 221 and power conversion unit 222
It is 0；When charging equipment 22 charges to electronic equipment 11 by the battery 223 in charging equipment, communication and power management
After receiving stopping charge control instruction, control battery 223 stops charging to electronic equipment unit 221, so that including communicating
And the electric current of the circuit including Power Management Unit 221 and battery 223 is 0.
The electronic equipment is connect with the charging equipment 22 by charge connector 33, and the charge connector both ends are each
Containing a charging plug, the charging plug is respectively charging plug 331 and charging plug 332, the charging plug 331 with
The charging jack 224 of the charging equipment 22 connects, the charging jack 112 of the charging plug 332 and the electronic equipment 11
Connection.Stop data elastic slice D- (IO1) 1125, data elastic slice D+ (IO2) of the charge control instruction via charging jack 112
1126, data elastic slice ID (IO3) 1127 is sent to the charging plug 332 of charge connector 33, sends by charge connector 33
To the charging plug 331 of charge connector 33, it is sent to charging equipment 22 using charging plug 331, makes communication and power supply pipe
Reason unit 221 closes electricity according to the battery 223 stopped in charge control instruction control power conversion unit 222 or charging equipment 22
The output of stream.
Since the communication and Power Management Unit 221 pass through data elastic slice D- (IO1) 2241, data elastic slice D+ (IO2)
2242, after data elastic slice ID (IO3) 2243 receives the stopping charge control instruction that electric current is 0, the communication and power management list
Member 221 controls the output that the battery 223 in power conversion unit 222 or charging equipment 22 closes electric current, so that charging circuit exists
Charging equipment 22 just disconnects, therefore electronic equipment charge port has been further prevented to burn, and improves the safety of electronic equipment charging
Property.
On the basis of various embodiments of the present invention, after the main control chip control charging equipment of electronic equipment stops charging,
Can also on the display screen of electronic equipment display reminding information, or issue prompt tone, to notify user that Current Temperatures are excessively high,
User can be prompted to disconnect the charge connector between electronic equipment and charging equipment, to be further ensured that the safety of charging
Property.
The embodiment of the invention provides a kind of charging systems, and the system comprises the electronic equipments, and with the electricity
The charging equipment that sub- equipment is connected by charge connector.
Fig. 7 be a kind of electronic equipment charging control process schematic diagram provided in an embodiment of the present invention, the electronic equipment with
Charging equipment is connected by charge connector, the gold of grounding elastic slice and the charging jack in the charging jack of electronic equipment
Belong to layer between be in series with logic switch, the process the following steps are included:
S701: the first current temperature of charge port is obtained.
Main control chip can dispose more sensitive temperature when obtaining the first temperature of charge port currently around charge port
The temperature value is input to electronic equipment, electronic equipment obtains the charge port of input when temperature reaches certain numerical value by degree meter
Current temperature, specifically, electronic equipment when being charged, can provide carry out temperature input interface, for user into
The input of trip temperature.
S702: judge whether the first current temperature of charge port is greater than the first given threshold.
The main control chip preserves the first given threshold, when the main control chip obtains the first current temperature of charge port
Afterwards, the first current temperature of the charge port is compared with first given threshold.Specifically, the main control chip is protected
There is the first given threshold, which is to guarantee the temperature value that is not burned out of the electronic equipment, and each type
Electronic equipment save first given threshold may be the same or different.It, can be according to electricity such as electronic equipment
The material of sub- equipment charge socket selects corresponding first given threshold.
S703: it when judging that the first current temperature of charge port is greater than the first given threshold, sends and controls to logic switch
Instruction, control logic switch disconnect.
It is greater than the first setting threshold when the main control chip gets the first current temperature of charge port according to temperature sensor
When value, control instruction is sent to logic switch, control logic switch disconnects, when the main control chip is obtained according to temperature sensor
When first temperature current to charge port is not more than the first given threshold, control instruction can not be sent to logic switch, alternatively,
The control instruction that control logic switch continues conducting is sent to logic switch.Such as the first given threshold of main control chip is 60 degree,
It is controlled when main control chip gets to send to logic switch when the first current temperature of charge port is 60 degree according to temperature sensor
System instruction, control logic switch disconnect, disconnect charging circuit, work as when main control chip gets charge port according to temperature sensor
After the first preceding temperature is less than 60 degree, control instruction can not be sent to logic switch, be patrolled alternatively, sending control to logic switch
Collect the control instruction that switch continues conducting.
Due in embodiments of the present invention, the first current temperature of the charge port that the main control chip judgement obtains is greater than the
When one given threshold, control logic switch is disconnected so that circuital current including logic switch including is 0, power supply elastic slice with fill
Equivalent resistance between the metal layer of electrical outlet no longer generates heat, accordingly it is possible to prevent the electronic equipment due to caused by charging short circuit
Charge port is burnt, and the safety of electronic equipment charging is improved.
On the basis of the above embodiments, in order to accurately obtain the current temperature of charge port, in the embodiment of the present invention
Electronic equipment further include: temperature sensor；
The temperature sensor is arranged in the set distance of the charging jack, one end of the temperature sensor and institute
State main control chip connection, other end ground connection；
The main control chip is used to obtain the first current temperature of charge port according to the temperature sensor.
Electronic equipment charge control method provided in an embodiment of the present invention is applied to the main control chip in electronic equipment.It is described
Main control chip obtains the first current temperature of charge port, the temperature sensor includes: negative temperature according to the temperature sensor
Coefficient thermo-sensitive resistor NTC and thermistor PTC, temperature sensor is arranged in the set distance of charging jack, specifically, institute
Stating set distance is that the temperature sensor can be herein apart from the first temperature of induction charging mouth, and the temperature sensor
Resistance value can occur corresponding variation according to the variation of institute's temperature, it is current that the main control chip obtain the temperature sensor
Voltage calculates presently described temperature sensor current resistance value according to the voltage, according to the resistance of the temperature sensor of preservation
The corresponding relationship of value and temperature, using the corresponding temperature of current resistance value first temperature current as charge port.
The reason of causing electronic equipment charge port to be burnt is also possible to be charge connector plug elastic slice and charging jack elastic slice
Between introduce conductive foreign matter, the conductive foreign matter conductive capability especially introduced is weaker, leads to charge connector plug elastic slice and fills
Equivalent resistance between electrical outlet elastic slice increases or charge connector plug elastic slice is due to its reflexed angle of change in shape exception
When, when leading to too small with the area of charging jack elastic slice contact point or charging jack elastic slice surface is deposited when abnormal, such as is charged
Socket elastic slice surface metal oxidization also causes the equivalent resistance between charge connector plug elastic slice and charging jack elastic slice to increase
Greatly.
Caused by increasing in order to prevent due to the equivalent resistance between charge connector plug elastic slice and charging jack elastic slice
Electronic equipment charge port is burnt, and on the basis of the above embodiments, electronic equipment described in another embodiment of the present invention also wraps
Include charhing unit；
The charhing unit is series between power supply elastic slice and battery, and connect with main control chip；
When judging that the current temperature of charge port is greater than the first given threshold, the method also includes:
Control instruction is sent to the charhing unit, control charhing unit stops powering to the battery.
The main control chip of the electronic equipment preserves the first given threshold, when main control chip acquisition charge port is current
The first temperature after, the first current temperature of the charge port is compared with first given threshold.When the master control
When chip gets the first current temperature of charge port greater than the first given threshold according to temperature sensor, sent to charhing unit
High ping value signal makes charhing unit stop powering to the battery, when the main control chip is got according to temperature sensor
When the first current temperature of charge port is not more than the first given threshold, control instruction can not be sent to charhing unit, alternatively, to
Charhing unit, which sends control charhing unit, to be continued to the battery powered control instruction, and the control instruction is low ping value letter
Number.
Due in embodiments of the present invention, the first current temperature of the charge port that the main control chip judgement obtains is greater than the
When one given threshold, control charhing unit stops powering to the battery, so that the circuital current including charhing unit is
0, the equivalent resistance between charge connector plug elastic slice and charging jack elastic slice no longer generates heat, accordingly it is possible to prevent due to filling
Electronic equipment charge port caused by equivalent resistance between electrical connector plug elastic slice and charging jack elastic slice increases is burnt, and is improved
The safety of electronic equipment charging.
On the basis of the above embodiments, charge port is burnt in order to prevent, and the electronic equipment in the embodiment of the present invention also wraps
It includes: load switch；
The load switch is series between power supply elastic slice and the charhing unit, and connect with main control chip；
When judging that the first current temperature of charge port is greater than the first given threshold, the method also includes:
Control instruction is sent to the load switch, control load switch disconnects.
After the main control chip obtains the first current temperature of charge port, by the first current temperature of the charge port with
First given threshold is compared, and when first temperature is greater than the first given threshold, is sent control to load switch and is referred to
It enables, control load switch disconnects.It, can not be to when the main control chip judges first temperature no more than the first given threshold
Load switch sends control instruction, alternatively, sending the control instruction that control load switch continues conducting to load switch.
Due to load switch of having connected between power supply elastic slice and the charhing unit, and load switch and main control chip
Connection, main control chip send to load switch and control when judging that the first current temperature of charge port is greater than the first given threshold
System instruction, control load switch disconnects, and then controls the circuit including load switch, power supply elastic slice and the charhing unit
Disconnection so that the circuital current be 0, it is therefore prevented that electronic equipment charge port is burnt, improve electronic equipment charging
Safety.Load switch can be disconnected timely, after the open command for receiving main control chip transmission so as to charge port
Protective capability is stronger.
The reason of causing electronic equipment charge port to be burnt be also possible to be charge connector plug power supply elastic slice and ground connection bullet
It is introduced between piece between conductive foreign matter or the power supply elastic slice and grounding elastic slice of charging jack and introduces conductive foreign matter, introducing is led
Electric foreign matter is equivalent to a resistance and connects between power supply elastic slice and grounding elastic slice, so that the power supply elastic slice of charge connector plug,
Leakage circuit is formed between the power supply elastic slice of grounding elastic slice and charging jack, grounding elastic slice, leakage path is as shown in figures 8 a-8b.
In order to prevent due to the power supply elastic slice of the power supply elastic slice of charge connector plug, grounding elastic slice and charging jack, connect
Electronic equipment charge port caused by the leakage circuit formed between ground elastic slice is burnt, on the basis of the above embodiments, the present invention
Another embodiment described in electronic equipment further include communication unit；
The communication unit is connect with main control chip；
When judging that the first current temperature of charge port is greater than the first given threshold, the method also includes:
It is sent to communication unit and stops charge control instruction, instructed the communication unit by the stopping charge control and send out
Give charging equipment.
The main control chip of the electronic equipment preserves the first given threshold, when main control chip acquisition charge port is current
The first temperature after, the first current temperature of the charge port is compared with first given threshold.When the master control
When chip gets the first current temperature of charge port greater than the first given threshold according to temperature sensor, sent to communication unit
Control instruction makes the communication unit that stopping charge control instruction is sent to charging equipment.
At least one data elastic slice is also laid on the insulating layer of charging jack in the electronic equipment, it is described logical
Letter unit is connect at least one described data elastic slice, and stopping charge control instruction is passed through data by the communication unit
Elastic slice is sent to the charging equipment.For example, being laid with three data elastic slices, respectively data elastic slice D- on the insulating layer
(IO1), data elastic slice D+ (IO2), data elastic slice ID (IO3), the communication unit pass through stopping charge control instruction
Data elastic slice D- (IO1), data elastic slice D+ (IO2), data elastic slice ID (IO3) are sent to the charging equipment.
The charging jack of the charging equipment is corresponding data elastic slice D- (IO1), data elastic slice D+ (IO2), data bullet
Piece ID (IO3), by data elastic slice by electronic equipment communication unit send stopping charge control instruction be sent to charging and
Power Management Unit, charging and Power Management Unit control power conversion unit close the output of electric current, so that charging circuit exists
Charging equipment just disconnects.It effectively prevents electronic equipment charge port to burn, improves the safety of electronic equipment charging.
When stopping charging to electronic equipment, after the charging jack temperature decline of electronic equipment, in order to realize to electronics
The charging of equipment, the method also includes:
Obtain the current second temperature of charge port；
Judge the second temperature whether less than the second given threshold；
If so, notice charging equipment starts to charge.
The main control chip preserves the second given threshold, which is to guarantee the charge port temperature of electronic equipment
After degree decline, to the temperature value that electronic equipment charges again, and the second setting threshold that each type of electronic equipment saves
Value may be the same or different., can be according to the material of electronic equipment charging jack such as electronic equipment, selection pair
The second given threshold answered.
After the main control chip obtains charge port current second temperature, by the current second temperature of the charge port with
Second given threshold is compared, when the current second temperature of the charge port that the main control chip obtains is less than the second setting
When threshold value, notice charging equipment is started to charge.Wherein, the first given threshold and the second given threshold can be identical, but generally may be used
The second given threshold to be set smaller than to the value of the first given threshold.
Fig. 9 be the embodiment of the invention provides electronic equipment detailed charging control process, which includes following step
It is rapid:
S901: the first current temperature of charge port is obtained.
S902: judge whether the first current temperature of charge port is greater than the first given threshold.
S903: when the first current temperature of charge port is greater than the first given threshold, sending control instruction to logic switch,
Control logic switch disconnects.
S904: the current second temperature of charge port is obtained.
S905: judge the second temperature whether less than the second given threshold.
S906: the current second temperature of charge port notifies charging equipment to start to charge less than the second given threshold.
When main control chip judges the current second temperature of charge port less than the second given threshold, sends and control to logic switch
System instruction, is connected logic switch, so as to continue to charge to electronic equipment；If charhing unit has stopped to described before this
Battery power supply can send low ping value signal to charhing unit at this time, work normally charhing unit, so that making includes charging
Closing of circuit including unit, power supply elastic slice, allows charging equipment to continue to charge to electronic equipment；Or to communication unit
Transmission starts to charge control instruction, makes the communication unit that the control instruction that starts to charge is sent to charging equipment, makes to fill
Electric equipment can continue to charge to electronic equipment；If load switch is disconnected before this, it can send close to load switch at this time
Instruction is closed, load switch is closed.
The embodiment of the invention discloses a kind of charge control method, charging system and electronic equipments, to prevent electronics from setting
Standby charge port is burnt, and the safety of electronic equipment charging is improved.The electronic equipment includes: battery and charging jack, and charging is inserted
The inner wall of mouth has metal layer, and insulating layer is laid on the metal layer of charging jack bottom surface, is laid with power supply bullet on the insulating layer
Piece and grounding elastic slice, electronic equipment further include: main control chip and logic switch, logic switch are series at grounding elastic slice and metal layer
Between, and connect with main control chip, temperature sensor is arranged in the set distance of charging jack, and main control chip is filled for obtaining
The current temperature of power port sends control instruction to logic switch, control logic is opened when the temperature is greater than the first given threshold
Shutdown is opened.Since in embodiments of the present invention, the current temperature of the charge port that the main control chip judgement obtains is greater than setting threshold
When value, control logic switch is disconnected, so that the electric current of the leakage path including logic switch is 0, power supply elastic slice and charging
Equivalent resistance between the metal layer of socket no longer generates heat, accordingly it is possible to prevent charge port caused by being generated heat due to electronic equipment
Burnout problems improve the safety of electronic equipment charging.
For systems/devices embodiment, since it is substantially similar to the method embodiment, so the comparison of description is simple
Single, the relevent part can refer to the partial explaination of embodiments of method.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although the preferred embodiment of the application has been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application
Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Claims (12)
1. a kind of electronic equipment, the electronic equipment includes: battery and charging jack, and the inner wall of the charging jack is enclosed with gold
Belong to layer, be laid with insulating layer on the metal layer of the charging jack bottom surface, be laid on the insulating layer power supply elastic slice and
Grounding elastic slice, which is characterized in that the electronic equipment further include: main control chip and logic switch；Wherein,
The logic switch is series between the grounding elastic slice and the metal layer, and connect with main control chip；
The main control chip is used to obtain the current temperature of charge port of the electronic equipment, judges whether the temperature is greater than the
When one given threshold, if so, sending control instruction to the logic switch, controls the logic switch and disconnect；
The electronic equipment further includes charhing unit；
The charhing unit is series between power supply elastic slice and battery, and connect with main control chip；
The main control chip is used for when judging that the temperature is greater than the first given threshold, and Xiang Suoshu charhing unit sends control and refers to
It enables, controls the charhing unit and stop powering to the battery.
2. electronic equipment according to claim 1, which is characterized in that the electronic equipment further includes load switch；
The load switch is series between power supply elastic slice and charhing unit, and connect with main control chip；
The main control chip is used for when judging that the temperature is greater than the first given threshold, and Xiang Suoshu load switch sends control and refers to
It enables, controls the load switch and disconnect.
3. electronic equipment according to claim 1, which is characterized in that the electronic equipment further includes communication unit；
The communication unit is connect with main control chip；
The main control chip is used for when judging that the temperature is greater than the first given threshold, and Xiang Suoshu communication unit, which is sent, to be stopped filling
Electric control instruction；
After the communication unit receives the stopping charge control instruction that the main control chip is sent, by the stopping charge control
Instruction is sent to charging equipment.
4. electronic equipment according to claim 3, which is characterized in that the main control chip is for judging that the temperature is big
When the first given threshold, Xiang Suoshu communication unit sends the stopping charge control that electric current is 0 and instructs.
5. electronic equipment according to claim 3, which is characterized in that also laid on the insulating layer of the charging jack
There is at least one data elastic slice；
The communication unit is connect at least one described data elastic slice, and the data elastic slice is used for and the number in charge connector
It is connected according to line；
The stopping charge control being instructed and is sent to the charging equipment by data elastic slice by the communication unit.
6. electronic equipment according to claim 1-3, which is characterized in that the electronic equipment further include: temperature
Sensor；
The temperature sensor is arranged in the set distance of the charging jack, one end of the temperature sensor and the master
Control chip connection, other end ground connection；
The current temperature of the charge port that the main control chip is used to obtain the electronic equipment according to the temperature sensor.
7. a kind of charging system, which is characterized in that the system comprises electronic equipment as claimed in any one of claims 1 to 6,
And the charging equipment being connect with the electronic equipment by charge connector.
8. a kind of electronic equipment charge control method, the electronic equipment is connect with charging equipment by charge connector, special
Sign is, applied to the main control chip in the electronic equipment, grounding elastic slice in the charging jack of the electronic equipment with
Logic switch is in series between the metal layer of the charging jack, which comprises
Obtain the first current temperature of the charge port of the electronic equipment；
Judge whether the first current temperature of charge port is greater than the first given threshold；
When judging that the first current temperature of charge port is greater than the first given threshold, Xiang Suoshu logic switch sends control instruction,
The logic switch is controlled to disconnect；
It further include charhing unit in the electronic equipment；
The charhing unit is series between power supply elastic slice and battery, and connect with main control chip；
When judging that the first current temperature of charge port is greater than the first given threshold, the method also includes:
Control instruction is sent to the charhing unit, the charhing unit is controlled and stops powering to the battery.
9. according to the method described in claim 8, it is characterized in that, further including load switch in the electronic equipment；
The load switch is series between power supply elastic slice and the charhing unit, and connect with main control chip；
When judging that the first current temperature of charge port is greater than the first given threshold, the method also includes:
Control instruction is sent to the load switch, the load switch is controlled and disconnects.
10. according to the method described in claim 8, it is characterized in that, the electronic equipment further includes communication unit；
The communication unit is connect with main control chip；
When judging that the first current temperature of charge port is greater than given threshold, the method also includes:
It is sent to the communication unit and stops charge control instruction, instructed the communication unit by the stopping charge control and send out
Give charging equipment.
11. according to the method described in claim 8, it is characterized in that, the method also includes:
Obtain the current second temperature of the charge port of the electronic equipment；
Judge the second temperature whether less than the second given threshold；
If so, the charging equipment is notified to start to charge.
12. according to the described in any item methods of claim 8-11, which is characterized in that in the electronic equipment further include: temperature
Sensor, the temperature sensor are arranged in the set distance of the charging jack, obtain the charge port of the electronic equipment
Current temperature includes:
Obtain the voltage of the temperature sensor；
According to the voltage, the resistance value of presently described temperature sensor is calculated；
According to the corresponding relationship of the resistance value of the temperature sensor of preservation and temperature, using the corresponding temperature of current resistance value as filling
The current temperature of power port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610743135.6A CN106684960B (en) | 2016-08-26 | 2016-08-26 | A kind of charge control method, charging system and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610743135.6A CN106684960B (en) | 2016-08-26 | 2016-08-26 | A kind of charge control method, charging system and electronic equipment |
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| CN106684960B true CN106684960B (en) | 2019-09-24 |
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| CN107276040A (en) * | 2017-07-20 | 2017-10-20 | 珠海市魅族科技有限公司 | A kind of electronic equipment, overheat protector system and method |
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|---|---|---|---|---|
| CN104638712A (en) * | 2013-11-15 | 2015-05-20 | 艾酷电子科技有限公司 | Movable hand-held device capable of preventing USB (universal serial bus) socket from overheat during charging and method applied to movable hand-hold device |
| CN104934819A (en) * | 2015-05-19 | 2015-09-23 | 北京创羿智能科技有限公司 | Multifunctional socket |
| CN105119342A (en) * | 2015-09-18 | 2015-12-02 | 东莞市巨星电池有限公司 | Portable power source quick charging system |
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2016
- 2016-08-26 CN CN201610743135.6A patent/CN106684960B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104638712A (en) * | 2013-11-15 | 2015-05-20 | 艾酷电子科技有限公司 | Movable hand-held device capable of preventing USB (universal serial bus) socket from overheat during charging and method applied to movable hand-hold device |
| CN104934819A (en) * | 2015-05-19 | 2015-09-23 | 北京创羿智能科技有限公司 | Multifunctional socket |
| CN105119342A (en) * | 2015-09-18 | 2015-12-02 | 东莞市巨星电池有限公司 | Portable power source quick charging system |
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