CN108370170A - Short trouble processing unit and method - Google Patents
Short trouble processing unit and method Download PDFInfo
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- CN108370170A CN108370170A CN201780003955.4A CN201780003955A CN108370170A CN 108370170 A CN108370170 A CN 108370170A CN 201780003955 A CN201780003955 A CN 201780003955A CN 108370170 A CN108370170 A CN 108370170A
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- 238000001514 detection method Methods 0.000 claims abstract description 110
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- 238000010438 heat treatment Methods 0.000 claims description 28
- 230000005611 electricity Effects 0.000 claims description 6
- 230000001960 triggered effect Effects 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 4
- 230000037361 pathway Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 22
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- 230000008020 evaporation Effects 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
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- 238000006243 chemical reaction Methods 0.000 description 2
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- 239000003792 electrolyte Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
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Classifications
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- H02J7/008—
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
Abstract
A kind of short trouble processing unit and method, short trouble processing unit include short trouble processing circuit, be may include：Input power, driving power, control module, detection module and fault processing module；Detection module sends signal when detecting terminal device access to be charged to control module；Control module is when receiving the signal that the detection module is sent, the power input of conduction terminal equipment and the connection of driving power, and detection trigger module carries out path signal detection；The connection of control module power input and input power of conduction terminal equipment when detection module detects that path signal is normal, or send trigger signal to fault processing module when detection module detects path signal exception and short trouble is handled with triggering fault processing module.Using the short trouble processing unit and method, abnormal short trouble that can be at the charging interface of timely processing terminal device improves the service life of charging interface.
Description
Technical field
The present invention relates to electronic technology field more particularly to a kind of short trouble processing units and method.
Background technology
Currently becoming increasingly popular with terminal devices such as wearable device or mobile phones, terminal device are used as terminal device
One of essential tool in the daily life at family.The frequency of use of terminal device is higher, the charge frequency of terminal device
It is higher.Currently, the charging modes that the terminal devices such as wearable device use are more wired charging methods, that is, terminal device
It needs to establish after wired connection with charging equipment and could be charged by charging equipment.Terminal device by charging equipment into
When row wired connection charges, the charging interface that terminal device is connect with charging equipment becomes easily infected by the liquid with electrolyte, example
Such as water or sweat so that occurring liquid contamination when terminal device is charged by charging equipment at charging interface causes to fill
The short trouble of electric pathway abnormal signal.The positive and negative anodes of charging interface will be caused to send out in addition, occurring liquid contamination at charging interface
Raw electrolysis, causes the charging terminal at charging interface to be corroded and fail.
The prior art prevents contamination to band electrolyte by way of adding waterproof plug at the charging interface in terminal device
Liquid, prevent the charging interface of charging equipment to be corroded with this.The prior art, which can not be infected with liquid, causes path signal different
Normal short trouble is detected, poor for applicability.In addition waterproof plug is easy to fall off, the effect for preventing charging interface to be corroded
The service life of difference, charging interface is low.
Invention content
An embodiment of the present invention provides a kind of short trouble processing unit and methods, can detect the charging interface of terminal device
Short trouble caused by abnormal signal, the charging interface failure of timely processing terminal device, can be improved the use of charging interface
Service life, applicability are high.
First aspect provides a kind of short trouble processing circuit, may include：Input power, driving power, control mould
Block, detection module and fault processing module；
Described detection module one end is connect with control module, and the other end of the detection module is set as terminal to be charged
Standby incoming end, the detection module are used to, when detecting terminal device access to be charged, send to the control module
Signal；
Described control module one end is connect with the fault processing module, and the control module is for receiving the inspection
When surveying the signal that module is sent, the connection of the power input and the driving power of the terminal device is connected, and trigger institute
It states detection module and path signal detection is carried out to the power input of the terminal device；The driving power is set with the terminal
Standby power input connection, the driving power are used to provide driving voltage to the terminal device；
Whether the path signal that the detection module is used to detect on the power access end of the terminal device occurs
It is abnormal；
The control module is additionally operable to that the terminal device is connected when the detection module detects that path signal is normal
Power input and the input power connection, or when the detection module detects path signal exception to described
Fault processing module send trigger signal with trigger the fault processing module to the short trouble of path signal exception at
Reason.
Optionally, the fault processing module includes heating module, the heating module be set to the detection module with
The connection component surface of the terminal device；
The heating module is used to, when receiving the trigger signal that the control module is sent, heat the connection component
Surface.
Optionally, the heating module includes：At least one of heating resistor and heat coil controllable heat elements.
Optionally, the fault processing module includes alarm modules；
The alarm modules are used for when receiving the trigger signal that the control module is sent, and signal an alert is to carry
Show that the charging path of the terminal device breaks down.
Optionally, the alarm modules include：At least one of buzzer, indicator light and terminal screen.
Optionally, the detection module includes short-circuit voltage detection pin, the short-circuit voltage detection pin and the end
The equivalent initial resistance of end equipment connects；
The detection module is used for when detecting terminal device access to be charged, detects the short-circuit voltage detection pin
Voltage, and determine whether the voltage that the short-circuit voltage detects pin exception occurs according to preset voltage threshold；
If the voltage of the short-circuit voltage detection pin occurs abnormal, it is determined that on the power input of the terminal device
Path signal occur it is abnormal.
Second aspect provides a kind of charging unit, and the charging unit includes the short trouble that above-mentioned first aspect provides
Processing circuit.
The third aspect provides a kind of method of short trouble processing, and the method for the short trouble processing is suitable for charging
Device to the signal detection of the charging path of terminal device to be charged, the method includes：
When the charging unit detects terminal device access to be charged, the terminal device connection driving power is detected
Charging path path signal；
The charging unit determines whether the path signal exception occurs according to preset signal threshold value；
If the path signal does not occur exception, the charging unit be connected the power input of the terminal device with
The connection of charging input power；Or
If exception occurs in the path signal, it is different to the path signal that the charging unit triggers fault processing module
Normal short trouble is handled.
Optionally, the fault processing module includes heating module, the heating module be set to the charging unit with
The connection component surface of the terminal device；
The triggering fault processing module carries out processing to the short trouble of path signal exception：
It triggers the heating module to heat the connection component surface, with the short circuit to path signal exception
Failure is handled.
Optionally, the fault processing module includes alarm modules；
The triggering fault processing module carries out processing to the short trouble of path signal exception：
The alarm modules signal an alert is triggered to prompt the charging path of the terminal device failure occur.
Optionally, the charging path signal includes the voltage value on charging path node, the charging path node packet
The short-circuit voltage detection pin of the charging unit is included, the power input of the short-circuit voltage pin and the terminal device connects
It connects, the power input of the terminal device is also connect with the driving power in the charging unit, the preset signal threshold
Value includes preset voltage threshold；
The path signal of the charging path of detection terminal device connection driving power includes：
Detect the voltage value on the short-circuit voltage detection pin of the charging unit；
The charging unit determines whether the path signal exception occurs and include according to preset signal threshold value：
The charging unit judges the difference of the voltage value and preset voltage threshold on the short-circuit voltage detection pin
Whether it is less than or equal to preset difference value threshold value, if so, it is abnormal to determine that the path signal occurs, otherwise determines the access
Signal does not occur exception.
In embodiments of the present invention, the short trouble processing circuit of charging unit can pass through detection module detection terminal equipment
The signal of charging interface whether there is exception.If the abnormal signal of charging interface, can be triggered at failure by control module
Reason module handles failure.Fault processing module can solve failure by way of heating liquid evaporation, can also pass through police
The number of notifying prompt terminal equipment user handles failure, and then can guarantee charging normal for terminal device, and timely processing is whole
The charging interface failure of end equipment, can be improved the service life of charging interface, and then improve making for terminal device and charging unit
Use the service life.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a schematic diagram of charging unit system architecture provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of charging assembly connection provided in an embodiment of the present invention；
Fig. 3 is a structural schematic diagram of short trouble processing circuit provided in an embodiment of the present invention；
Fig. 4 is another structural schematic diagram of short trouble processing circuit provided in an embodiment of the present invention；
Fig. 5 is a schematic diagram of charging system circuit provided in an embodiment of the present invention；
Fig. 6 is the flow diagram of the method for short trouble processing provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes.
In the specific implementation, the terminal device involved by the embodiment of the present invention can be to provide a user voice and/or number
According to the equipment (device) of connectivity, including catv terminal and wireless terminal.Wireless terminal can be with wireless connecting function
Portable equipment or be connected to other processing equipments of radio modem.For example, wireless terminal can be mobile electricity
Words, computer, tablet computer, personal digital assistant (personal digital assistant, PDA), mobile Internet are set
Standby (mobile Internet device, MID), wearable device and E-book reader (e-book reader) etc..Again
Such as, wireless terminal can also be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device.For convenience
Description, in the subsequent description of the embodiment of the present invention, apparatus mentioned above will be illustrated by taking terminal device as an example.The present invention is real
The charging unit concretely charger of terminal device, charging base or the charger baby etc. for applying example offer, are not limited herein.
It is a schematic diagram of charging unit system architecture provided in an embodiment of the present invention referring to Fig. 1.The embodiment of the present invention
It may include that terminal device and its charging unit, terminal device pass through charging with charging unit in the charging unit system architecture of offer
Component connects.As shown in Figure 1, terminal device provided in an embodiment of the present invention can be watch, which is alternatively wearable device
In one kind.Charging unit is the charging base of watch.The connection component of charging unit is the metal derby of protrusion, the connection of watch
Component is the metal derby being arranged in groove.It is the schematic diagram of charging assembly connection provided in an embodiment of the present invention such as Fig. 2.Terminal
The connection component of equipment and the connection component of charging unit match one by one to be attached.For example, terminal device may include two companies
Connected components, such as connection component 21 and connection component 22, charging unit may also comprise two connection components, such as connection component 11
With connection component 12.When terminal device is connect with charging unit, connection component 11 is connected with the pairing of connection component 21, connection component
12 connect with the pairing of connection component 22.Wherein, above-mentioned connection component 21 and connection component 22 can be the positive pole of terminal device
Pin and power cathode pin.
Optionally, the number of the connection component of the connection component or charging unit of terminal device is also greater than 2, specifically may be used
It is determined according to practical application scene, is not limited herein.When the connection component more than two of terminal device, can will wherein 2 work
For the positive and negative anodes pin of the charge power supply of terminal device.The charge power supply positive and negative anodes (such as connection component 21 and 22) of terminal device
After being connect with the positive and negative anodes pin (such as connection component 11 and 12) of charging unit out-put supply, charging unit powers on later then
Can be that terminal device charges.If between connection component 11 and connection component 21 (or between connection component 12 and connection component 22)
There is liquid contamination, then will occur liquid contamination equivalent resistance between the power positive cathode of terminal device, and then affect terminal and set
The voltage stability of standby positive pole.Therefore, charging unit can be by charge power supply in the charging path to terminal device just
The detection of signal stabilization (such as voltage stability) extremely etc. in charge nodes judges the connection of charging unit and terminal device
Whether abnormal short trouble is occurred between component, such as liquid is infected with the failures such as the voltage value exception that equivalent resistance is brought.In addition,
If failure is untreated caused by liquid contamination, connection component will be caused to be corroded and be damaged, and then affect charging unit
Or the service life of terminal device.
An embodiment of the present invention provides a kind of short trouble processing unit and methods, and short trouble processing unit is concretely
Charging unit, charging unit include short trouble processing circuit, are charged when can charge to terminal device to charging unit
Path signal in access is detected.If it is abnormal to detect that the path signal in charging path occurs, can be to path signal
Abnormal short trouble is handled, and then the connection component of charging unit and terminal device can be prevented to be damaged, and then can be increased
The service life of soaking device and terminal device.
It is a structural schematic diagram of short trouble processing circuit provided in an embodiment of the present invention referring to Fig. 3.The present invention is implemented
The short trouble processing circuit that example provides may include：At input power, driving power, control module, detection module and failure
Manage module.
Optionally, above-mentioned input power may include DC power supply or AC power etc..Above-mentioned input power can be charging
The power input of device or the power input of battery pack.For example, the alternating current of charger input, the voltage of alternating current
Can be 4.6V-12V etc..Above-mentioned driving power may include voltage source or current source etc., not be limited herein.
Optionally, above-mentioned control module may include microprocessor, application processor, central processing unit, programmable logic battle array
Row and the control circuit etc. voluntarily built using devices such as transistors, are not limited herein.
Optionally, the detection module that the embodiment of the present invention is provided includes but not limited to current detection module, voltage detecting
Module, analog-to-digital conversion module and impedance measuring circuit etc..
In the specific implementation, above-mentioned detection module specifically may be disposed at the connection component that charging unit is connect with terminal device
In, one end of detection device can be the metal derby or metal patch of connection component, as the incoming end of terminal device, such as Fig. 2
In connection component 11 and 12.Detection module one end is connect with control module, above-mentioned detection module be used for detect it is to be charged
Terminal device access when, to control module send signal.
Optionally, control module shown in Fig. 3 may include switch unit, above-mentioned switch unit for control input power or
The break-make of person's driving power and the power input of terminal device to be charged.Above-mentioned switch unit may include：Multi-channel analog is opened
The switch elements such as pass, digital switch and relay, wherein above-mentioned relay may include electromagnetic relay etc., not limit herein
System.Above-mentioned control module one end is connect with fault processing module, and control module is used in the terminal for receiving detection module transmission
When the indication signal of equipment access, the connection of the power input and driving power of trigger switch unit conduction terminal equipment, and
Detection trigger module carries out path signal detection to the charging path of terminal device.Wherein, above-mentioned charging path can set for terminal
The standby connecting path with driving power, above-mentioned path signal can be the signals such as the voltage value on the power input of terminal device.
The power input of above-mentioned driving power and terminal device connects, and above-mentioned driving power is used to provide driving to the terminal device
Voltage, before terminal device accesses input power, to be examined to the liquid contamination situation at the charging interface of terminal device
It surveys.Above-mentioned detection module is used to be supplied to the driving voltage of terminal device, the charging of detection terminal equipment according to driving power
At mouthful (such as power input, for example, terminal device positive pole) path signal whether there is exception.
In the specific implementation, when terminal device is connected to charging unit, the connection component of terminal device and the company of charging unit
Connected components connect, and detection trigger module sends signal to control module.Specifically, the connection component of above-mentioned terminal device can be prominent
The sheet metal gone out either mechanical switch or terminal device magnet outstanding etc., the connection component of corresponding charging unit
It can be sheet metal outstanding either mechanical switch or Hall sensor outstanding etc., not be limited herein.In the specific implementation,
After terminal device is connect with charging unit, also wirelessly detection trigger module signal can be sent to control module.
The driving power input channel of charging unit is conducting to detection module by control module trigger switch unit, detects mould
Block can be detected the path signal of charging path.If terminal device is in power positive cathode input terminal, (power supply in such as Fig. 3 is defeated
Enter end and ground terminal) between have liquid contamination, then terminal equipment side there will be liquid contamination caused by equivalent resistance.Liquid is stained with
The equivalent resistance of dye and the equivalent resistance built in terminal device form parallel connection, so that the voltage that driving power provides exists
There is bias voltage in the power input of terminal device.The bias voltage of driving source indicates existing etc. because of liquid contamination
The value detection signal that effect resistance causes the power input of terminal device deviates preset signal threshold value.As long as detection module is examined
It measures the value detection signal of the power access end of terminal device and difference that preset signal threshold value differs or both is more than
Preset difference value range then can return to path signal and abnormal signal occurs to control module.Wherein, above-mentioned signal threshold value specifically may be used
For voltage threshold.In the specific implementation, terminal device is established with charging equipment after the connection of charging path, detection module is detectable
The voltage value (or voltage value between the positive and negative anodes of the charging interface of terminal device) of the power access end of terminal device.If inspection
The voltage value measured is identical as voltage threshold, or the voltage value and voltage threshold detected difference in preset difference value range
It is interior, then it can determine that charging path is in normal operating conditions.If the voltage value detected is differed with voltage threshold, or detection
The difference of the voltage value and voltage threshold that arrive is more than preset difference value range, then can determine that abnormal failure occurs in charging path.
In the specific implementation, control module can be sent when detection module detects path signal exception to fault processing module
Trigger signal is handled the short trouble of path signal exception with triggering fault processing module.
Optionally, above-mentioned fault processing module can be heating module, such as heating resistor or heat coil etc..It is optional
, above-mentioned heating module may be provided at the detection module of charging unit and the connection component surface of terminal device.For example, above-mentioned add
Thermal modules can be the heating resistor or heat coil being arranged on the surface of connection component 11 and/or 12 shown in Fig. 2.Fever
Resistance or heat coil can heat the table of connection component 11 and/or 12 when receiving the trigger signal of control module transmission
Face solves the short trouble caused by liquid contamination to evaporate the liquid on connection component 11 and/or 12 surfaces.
Optionally, above-mentioned fault processing module can also be human-computer interaction module (or alarm modules), for example, buzzing
Device, indicator light and terminal screen etc..Optionally, above-mentioned alarm modules can be in the trigger signal for receiving control module transmission
When, signal an alert is broken down with the charging path of prompt terminal equipment.Wherein, above-mentioned alarm signal can be light, bee
Song, tucket or text message etc..For example, alarm modules can pass through buzzer sounding, indicator light flicker, screen prompt etc.
Mode prompt terminal equipment user cleans the charging interface of charging unit or terminal device.
Further, detection module can periodically open the path signal detection of charging path, to confirm path signal
Whether abnormal failure disappears.If detection module detects that the voltage value of the positive and negative interpolar of the charging interface of terminal device is normal
Voltage value (i.e. preset voltage thresholds) under state, then return to normal signal to control module, control module cuts power path
Power input is changed to, i.e. the power access end of the triggerable switching means conductive terminal device of control module and charger is (i.e. defeated
Enter power supply) charging path, terminal device can be charged normal.
Further, it is another structural representation of short trouble processing circuit provided in an embodiment of the present invention referring to Fig. 4
Figure.In some feasible embodiments, it may include that short-circuit voltage detects pin, above-mentioned short-circuit voltage detection pipe in detection module
The power input of foot and terminal device connects.Above-mentioned detection module is used for when detecting terminal device access to be charged, inspection
The voltage of short-circuit voltage detection pin is surveyed, and determines whether the voltage of short-circuit voltage detection pin is sent out according to preset voltage threshold
Occur abnormal.Specifically, detection module can periodically detect the voltage value on short-circuit voltage detection pin, and it is recordable each
The voltage value that cycle detection is arrived.If some detection cycle detects the voltage value and predeterminated voltage of above-mentioned short-circuit voltage detection pin
Threshold value differs or is more than preset difference value threshold value with the difference of preset voltage thresholds value, then can determine that the charging of terminal device is logical
The path signal on road is abnormal, and then can send signal to control module.
In embodiments of the present invention, the short trouble processing circuit of charging unit can pass through detection module detection terminal equipment
Charging path in path signal whether there is exception.If path signal is abnormal, can be triggered at failure by control module
Reason module handles failure.Fault processing module can solve failure by way of heating liquid evaporation, can also pass through police
The number of notifying prompt terminal equipment user handles failure, and then can guarantee charging normal for terminal device, improves terminal and sets
Standby and charging unit service life.
Below in conjunction with the circuit structure described in Fig. 5, to the reality of short trouble processing circuit provided in an embodiment of the present invention
Existing mode is described.Fig. 5 is a schematic diagram of charging system circuit provided in an embodiment of the present invention.Charging shown in fig. 5
Framework of uniting includes the charging module of charging unit and the charging module of terminal device ontology.Wherein, filling in charging unit
Electric module includes：At input power VCC, level conversion unit, control module, detection module, driving power VCC1 and failure
Manage module.Wherein, control module includes control unit and switch unit K1-1 and K1-2.Heating module may include adding thermal resistance
RL and conducting switch K2, control unit can trigger heating module by K2 and generate heat, and then can be to the abnormal event of charging path
Barrier is handled.Detection module includes detection module 1 and detection module 2, wherein control module controls detection module by K1-2
1 with the conducting or short circuit of the access of driving power.Driving power VCC1 connects K1- by a diode with divider resistance R1
2.By detecting the voltage value at divider resistance R1 ends, determine between the positive and negative anodes of the charging interface of terminal device is detection module 2
It is no to be accessed by abnormal resistance, for example, liquid contamination equivalent resistance R3 access whether.
It may include charging module and other function modules (being not shown in Fig. 5) in terminal device ontology.Wherein, terminal device
Resistance in ontology may include built-in resistor R4 and equivalent initial resistance R2 (such as other modules of terminal device of charging module
Equivalent resistance, such as the equivalent initial resistance of terminal device in Fig. 3 or Fig. 4).
In the specific implementation, terminal device charging base can be detected by IO5 RI and terminal device ontology ground terminal (GND,
Such as the power cathode pin of terminal device) on through-flow situation, with judge terminal device ontology and charging base whether the company of foundation
It connects.If IO5 detects that terminal device ontology is established with charging base and connects, it is (defeated to plug charger in the pedestal of terminal device
Enter power supply VCC accesses) after, K1-1 acquiescence cut-outs, K1-2 acquiescences are opened, and K2 is disconnected.Input/output (the input/ of detection module 2
Output, IO) (such as IO3) poll and the connection pin of the power input of whole terminal device ontology voltage.Terminal device sheet
When body is connect with pedestal, the default conditions of the voltage of IO3 pins are dragged down from VCC1 by the resistance included by terminal device ontology.Its
In, the R2 and R4 of terminal device ontology are (can be denoted as R2//R4) in parallel, and are connected serially to driving power VCC1, R1 and R2//R4 with R1
For the divider resistance of driving voltage VCC1.It can determine the electricity got on R1 or on R2//R4 according to VCC1 and R1, R2 and R4
Pressure value, and then can preset under normal operating conditions, the preset voltage thresholds at the power input C of terminal device.Detection
If module 2 detects that IO3 mouthfuls of voltages are equal to the preset voltage thresholds of (such as positive pole pin) at power input C, can
Judge that the connection of terminal device ontology and pedestal is normal.Detection module 2 can send signal to control module, and control module can close
K1-2, that opens that K1-1 enters terminal device charges normal flow.If the voltage that the IO3 of detection module 2 is detected not in R1 and
It in the partial pressure range that R2//R4 is formed, but falls in the partial pressure range of R1 and R2//R3//R4 formation, then it is believed that at this time
The power access end of terminal device ontology forms abnormal short-circuit/impedance connection over the ground.Detection module 2 can be sent to control module
Signal, control module can be by being connected RL so that RL fevers are brought rapidly up so that liquid evaporation.Wherein, the heating temperature of RL is small
In the protection temperature (such as 58 DEG C) of battery.RL generates heat so that after liquid evaporation, and R3 disappears, so that the voltage that IO3 goes out
It falls in the partial pressure range of R1 and R2//R4 formation and (is less than or equal to the preset electricity of the power input C of above-mentioned terminal device
Press threshold value) so that the charging path of terminal device restores normal.If the voltage that IO3 is detected is restored to R1's and R2//R4
Partial pressure range then closes K1-2, opens K1-1, enters and charge normal flow.Terminal device enter normal charging condition it
Before, the conducting state of the sustainable detection K1-2 of IO2.After terminal device enters charging flow, the cut-out of IO3 accesses.
In system structure shown in fig. 5, terminal device charging base can detect connecing for RI and terminal device ontology by IO5
Through-flow situation on ground terminal access.When terminal device, this bulk charging terminates, terminal user's disconnected end apparatus body and bottom
When the connection of seat, IO5 can detect the electric current on RI and be less than predetermined current threshold, then can determine that terminal device ontology has disconnected company
It connects, and then the detecting state of the IO3 poll pin voltages of detection trigger module 2.
Optionally, above-mentioned detection module 1 and detection module 2 or the same module, specifically can be according to practical application field
The circuit design demand of scape determines, is not limited herein.
It is the flow diagram of the method for short trouble processing provided in an embodiment of the present invention referring to Fig. 6.The present invention is implemented
The method for the short trouble processing that example provides is suitable for letter of the above-mentioned charging unit to the charging path of terminal device to be charged
Number detection.The embodiment of the present invention will be described using charging unit as executive agent, may include step：
S61 detects whether terminal device access to be charged, if the determination result is YES, thens follow the steps S62.
S62 detects the path signal of the charging path of the terminal device connection driving power.
S63 determines whether the path signal exception occurs, if the determination result is YES, then according to preset signal threshold value
Step S64 is executed, it is no to then follow the steps S65.
S64, triggering fault processing module handle the short trouble of path signal exception.
The connection of the power input and charging input power of the terminal device is connected in S65.
Optionally, the fault processing module includes heating module, the heating module be set to the charging unit with
The connection component surface of the terminal device；
The triggering fault processing module carries out processing to the short trouble of path signal exception：
It triggers the heating module to heat the connection component surface, with the short circuit to path signal exception
Failure is handled.
Optionally, the fault processing module includes alarm modules；
The triggering fault processing module carries out processing to the short trouble of path signal exception：
The alarm modules signal an alert is triggered to prompt the charging path of the terminal device failure occur.
Optionally, the charging path signal includes the voltage value on charging path node, the charging path node packet
The short-circuit voltage detection pin of the charging unit is included, the power input of the short-circuit voltage pin and the terminal device connects
It connects, the power input of the terminal device is also connect with the driving power in the charging unit, the preset signal threshold
Value includes preset voltage threshold；
The path signal of the charging path of detection terminal device connection driving power includes：
Detect the voltage value on the short-circuit voltage detection pin of the charging unit；
The charging unit determines whether the path signal exception occurs and include according to preset signal threshold value：
The charging unit judges the difference of the voltage value and preset voltage threshold on the short-circuit voltage detection pin
Whether it is less than or equal to preset difference value threshold value, if so, it is abnormal to determine that the path signal occurs, otherwise determines the access
Signal does not occur exception.
In the specific implementation, above-mentioned short trouble processing method can be executed by the control module of charging unit.Above-mentioned charging dress
It may include storage unit in the control module set, for storing batch processing code.The control module of charging unit includes
Processor (including microprocessor, application processor, central processing unit, programmable logic array etc.) is for calling in storage unit
The program code of storage executes realization method described in above-mentioned each step.Above-mentioned charging unit executes above-mentioned each step
The process of described realization method can be found in the realization method performed by the modules of charging unit in above-described embodiment,
This is repeated no more.
In embodiments of the present invention, the short trouble processing circuit of charging unit can pass through detection module detection terminal equipment
Charging path in path signal whether there is exception.If path signal is abnormal, can be triggered at failure by control module
Reason module handles failure.Fault processing module can solve failure by way of heating liquid evaporation, can also pass through police
The number of notifying prompt terminal equipment user handles failure, and then can guarantee charging normal for terminal device, improves terminal and sets
Standby and charging unit service life.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in computer read/write memory medium
In, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
Claims (11)
1. a kind of short trouble processing circuit, which is characterized in that including：Input power, driving power, control module, detection mould
Block and fault processing module；
Described detection module one end is connect with control module, and the other end of the detection module is as terminal device to be charged
Incoming end, the detection module are used to, when detecting terminal device access to be charged, signal is sent to the control module；
Described control module one end is connect with the fault processing module, and the control module is for receiving the detection mould
When the signal that block is sent, the connection of the power input and the driving power of the terminal device is connected, and trigger the inspection
It surveys module and path signal detection is carried out to the power input of the terminal device；The driving power and the terminal device
Power input connects, and the driving power is used to provide driving voltage to the terminal device；
Whether the path signal that the detection module is used to detect on the power access end of the terminal device there is exception；
The control module is additionally operable to that the electricity of the terminal device is connected when the detection module detects that path signal is normal
The connection of source input terminal and the input power, or when the detection module detects path signal exception to the failure
Processing module sends trigger signal and is handled the short trouble of path signal exception with triggering the fault processing module.
2. short trouble processing circuit as described in claim 1, which is characterized in that the fault processing module includes heated mould
Block, the heating module are set to the connection component surface of the detection module and the terminal device；
The heating module is used to, when receiving the trigger signal that the control module is sent, heat the connection component table
Face.
3. short trouble processing circuit as claimed in claim 1 or 2, which is characterized in that the heating module includes：Heating electric
At least one of resistance and heat coil controllable heat elements.
4. short trouble processing circuit as described in claim 1, which is characterized in that the fault processing module includes alarm mould
Block；
The alarm modules are used for when receiving the trigger signal that the control module is sent, and signal an alert is to prompt
The charging path for stating terminal device breaks down.
5. short trouble processing circuit as claimed in claim 4, which is characterized in that the alarm modules include：Buzzer refers to
Show at least one of lamp and terminal screen.
6. short trouble processing circuit as described in any one in claim 1-5, which is characterized in that the detection module includes short
Road voltage detecting pin, the short-circuit voltage detection pin are connect with the equivalent initial resistance of the terminal device；
The detection module is used to detect the electricity of the short-circuit voltage detection pin when detecting terminal device access to be charged
Pressure, and determine whether the voltage that the short-circuit voltage detects pin exception occurs according to preset voltage threshold；
If the voltage of the short-circuit voltage detection pin occurs abnormal, it is determined that logical on the power input of the terminal device
Road signal occurs abnormal.
7. a kind of charging unit, which is characterized in that the charging unit includes as according to any one of claims 1 to 6 short
Road fault logic circuits.
8. a kind of method of short trouble processing, which is characterized in that the method is suitable for charging unit to terminal to be charged
The signal detection of the charging path of equipment, the method includes：
When the charging unit detects terminal device access to be charged, filling for the terminal device connection driving power is detected
The path signal of electric pathway；
The charging unit determines whether the path signal exception occurs according to preset signal threshold value；
If the path signal does not occur exception, power input and the charging of the terminal device is connected in the charging unit
The connection of input power；Or
If exception occurs in the path signal, the charging unit triggers fault processing module to path signal exception
Short trouble is handled.
9. method as claimed in claim 8, which is characterized in that the fault processing module includes heating module, the heating
Module is set to the connection component surface of the charging unit and the terminal device；
The triggering fault processing module carries out processing to the short trouble of path signal exception：
It triggers the heating module to heat the connection component surface, with the short trouble to path signal exception
It is handled.
10. method as claimed in claim 8, which is characterized in that the fault processing module includes alarm modules；
The triggering fault processing module carries out processing to the short trouble of path signal exception：
The alarm modules signal an alert is triggered to prompt the charging path of the terminal device failure occur.
11. such as claim 8-10 any one of them methods, which is characterized in that the charging path signal includes charging path
Voltage value on node, the charging path node include the short-circuit voltage detection pin of the charging unit, the short circuit electricity
Pressure pipe foot is connect with the power input of the terminal device, the power input of the terminal device also with the charging unit
In driving power connection, the preset signal threshold value includes preset voltage threshold；
The path signal of the charging path of detection terminal device connection driving power includes：
Detect the voltage value on the short-circuit voltage detection pin of the charging unit；
The charging unit determines whether the path signal exception occurs and include according to preset signal threshold value：
The charging unit judge voltage value on short-circuit voltage detection pin and preset voltage threshold difference whether
Less than or equal to preset difference value threshold value, if so, it is abnormal to determine that the path signal occurs, the path signal is otherwise determined
Do not occur exception.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710109479 | 2017-02-27 | ||
| CN2017101094796 | 2017-02-27 | ||
| PCT/CN2017/089886 WO2018152993A1 (en) | 2017-02-27 | 2017-06-24 | Short-circuit fault handling apparatus and method |
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| Publication Number | Publication Date |
|---|---|
| CN108370170A true CN108370170A (en) | 2018-08-03 |
| CN108370170B CN108370170B (en) | 2020-11-20 |
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| CN201780003955.4A Active CN108370170B (en) | 2017-02-27 | 2017-06-24 | Short-circuit fault processing device and method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110022573A (en) * | 2019-04-15 | 2019-07-16 | Oppo广东移动通信有限公司 | Smart card detection method and electronic equipment |
| CN111918160A (en) * | 2019-05-10 | 2020-11-10 | 深圳市韶音科技有限公司 | Rechargeable earphone and wearable equipment |
| CN112290610A (en) * | 2020-08-25 | 2021-01-29 | 歌尔科技有限公司 | Charging control circuit and charging control method |
| CN112531813A (en) * | 2020-11-17 | 2021-03-19 | 深圳市易优斯科技有限公司 | Wireless device charger and wireless device charger detection method |
| CN113162130A (en) * | 2020-01-22 | 2021-07-23 | 华为技术有限公司 | Contact type charging device, wearable equipment and contact type charging system |
| WO2021213286A1 (en) * | 2020-04-24 | 2021-10-28 | 深圳市韶音科技有限公司 | Charging control circuit and acoustic output device |
| WO2022170907A1 (en) * | 2021-02-09 | 2022-08-18 | Oppo广东移动通信有限公司 | Corrosion identification method and apparatus for connectors, and earbuds, charging box, and storage medium |
| US11566964B2 (en) | 2018-10-10 | 2023-01-31 | Huawei Technologies Co., Ltd. | Water ingress detection method and circuit, and electric device |
| CN113162130B (en) * | 2020-01-22 | 2024-05-03 | 华为技术有限公司 | Contact type charging device, wearable equipment and contact type charging system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145123A (en) * | 2007-03-12 | 2008-03-19 | 中兴通讯股份有限公司 | USB bus interface checking device and checking method |
| US20140218200A1 (en) * | 2013-02-02 | 2014-08-07 | Chun-Fu Lin | Circuit protection apparatus |
| CN104808104A (en) * | 2014-01-28 | 2015-07-29 | 广东欧珀移动通信有限公司 | Interface plugging anomaly detection circuit and method |
| CN105811506A (en) * | 2014-12-24 | 2016-07-27 | 广东欧珀移动通信有限公司 | Method for charging electronic device and electronic device |
| CN106199731A (en) * | 2016-08-18 | 2016-12-07 | 乐视控股（北京）有限公司 | A kind of detection method, device and charger |
| CN106329635A (en) * | 2016-09-05 | 2017-01-11 | 北京小米移动软件有限公司 | Terminal charging method and device |
-
2017
- 2017-06-24 CN CN201780003955.4A patent/CN108370170B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145123A (en) * | 2007-03-12 | 2008-03-19 | 中兴通讯股份有限公司 | USB bus interface checking device and checking method |
| US20140218200A1 (en) * | 2013-02-02 | 2014-08-07 | Chun-Fu Lin | Circuit protection apparatus |
| CN104808104A (en) * | 2014-01-28 | 2015-07-29 | 广东欧珀移动通信有限公司 | Interface plugging anomaly detection circuit and method |
| CN105811506A (en) * | 2014-12-24 | 2016-07-27 | 广东欧珀移动通信有限公司 | Method for charging electronic device and electronic device |
| CN106199731A (en) * | 2016-08-18 | 2016-12-07 | 乐视控股（北京）有限公司 | A kind of detection method, device and charger |
| CN106329635A (en) * | 2016-09-05 | 2017-01-11 | 北京小米移动软件有限公司 | Terminal charging method and device |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11566964B2 (en) | 2018-10-10 | 2023-01-31 | Huawei Technologies Co., Ltd. | Water ingress detection method and circuit, and electric device |
| CN110022573A (en) * | 2019-04-15 | 2019-07-16 | Oppo广东移动通信有限公司 | Smart card detection method and electronic equipment |
| CN110022573B (en) * | 2019-04-15 | 2022-06-14 | Oppo广东移动通信有限公司 | Smart card detection method and electronic equipment |
| CN111918160A (en) * | 2019-05-10 | 2020-11-10 | 深圳市韶音科技有限公司 | Rechargeable earphone and wearable equipment |
| CN111918160B (en) * | 2019-05-10 | 2022-06-28 | 深圳市韶音科技有限公司 | Rechargeable earphone and wearable equipment |
| CN113162130A (en) * | 2020-01-22 | 2021-07-23 | 华为技术有限公司 | Contact type charging device, wearable equipment and contact type charging system |
| CN113162130B (en) * | 2020-01-22 | 2024-05-03 | 华为技术有限公司 | Contact type charging device, wearable equipment and contact type charging system |
| WO2021213286A1 (en) * | 2020-04-24 | 2021-10-28 | 深圳市韶音科技有限公司 | Charging control circuit and acoustic output device |
| CN112290610A (en) * | 2020-08-25 | 2021-01-29 | 歌尔科技有限公司 | Charging control circuit and charging control method |
| CN112290610B (en) * | 2020-08-25 | 2022-08-16 | 歌尔科技有限公司 | Charging control circuit and charging control method |
| CN112531813A (en) * | 2020-11-17 | 2021-03-19 | 深圳市易优斯科技有限公司 | Wireless device charger and wireless device charger detection method |
| WO2022170907A1 (en) * | 2021-02-09 | 2022-08-18 | Oppo广东移动通信有限公司 | Corrosion identification method and apparatus for connectors, and earbuds, charging box, and storage medium |
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