CN110021981A - Charger and terminal - Google Patents
Charger and terminal Download PDFInfo
- Publication number
- CN110021981A CN110021981A CN201910359893.1A CN201910359893A CN110021981A CN 110021981 A CN110021981 A CN 110021981A CN 201910359893 A CN201910359893 A CN 201910359893A CN 110021981 A CN110021981 A CN 110021981A
- Authority
- CN
- China
- Prior art keywords
- charging interface
- voltage
- terminal
- test side
- connect
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of charger and terminals, and wherein charger includes: the first voltage converter for exporting the first voltage value, second voltage converter, switching module and the first charging interface connecting with switching module for exporting second voltage value；Wherein, in the case where the second test side connection of the second charging interface of the first test side and terminal of the first charging interface, in the first charging interface or the second charging interface short circuit, the voltage of the first test side is low level；When the first charging interface and the second charging interface be not short-circuit, the voltage of the first test side is high level；When voltage of the switching module in the first test side is high level, it is connect with first voltage converter；When voltage of the switching module in the first test side is low level, it is connect with second voltage converter；The first voltage value is greater than second voltage value.The present invention avoids charging interface from causing damages when short circuit occurs to the terminal on charging interface.
Description
Technical field
The present embodiments relate to electronics field more particularly to a kind of charger and terminals.
Background technique
Magnetic charging scheme is the first charging interface of charger side and the second charging interface of terminal side, by magnet into
Row positioning, realizes the physical contact of respective terminal on the first charging interface and the second charging interface, to realize charger and end
Electrical connection between end.Since the magnetic terminal on the first charging interface and the second charging interface is exposed outside, it is easily adhered
Dirty, liquid etc. causes terminals of adjacent short-circuit；And the magnetic force of magnet is limited, and with using under time longer magnetic attraction
Drop, the first charging interface and the mutual timing of the second charging interface are easy to happen displacement, cause adjacent signals short-circuit, such as: data terminal
When short circuit occurring between feeder ear adjacent thereto, the stability of data terminal signal transmission may be will affect, so that data are transmitted
It is slack-off；When serious short circuit, the high pressure of feeder ear may puncture data terminal, cause the chip failure connecting with data terminal；When long
Between short circuit when possibly even terminal is caused to corrode.
Summary of the invention
The present invention provides a kind of charger and terminals, to solve when charging interface occurs short-circuit to the end on charging interface
The problem of son causes damages.
In order to solve the above-mentioned technical problem, the present invention is implemented as follows:
In a first aspect, the embodiment of the invention provides a kind of chargers, comprising: the first voltage for exporting the first voltage value becomes
Parallel operation, the second voltage converter for exporting second voltage value, switching module and the first charging being connect with the switching module
Interface；
Wherein, the second test side connection of the second charging interface of the first test side and terminal of first charging interface
In the case where, in the first charging interface or the second charging interface short circuit, the voltage of first test side is low level；?
When one charging interface and not short-circuit the second charging interface, the voltage of first test side is high level；
When voltage of the switching module in first test side is high level, connect with the first voltage converter
It connects；When voltage of the switching module in first test side is low level, it is connect with the second voltage converter；It is described
The first voltage value is greater than the second voltage value.
Second aspect, the embodiment of the invention also provides a kind of terminals, comprising:
Second charging interface；
The processor being connect with second charging interface；
Wherein, the first test side of the first charging interface of the second test side and charger of second charging interface connects
In the case where connecing, the processor is in first charging interface and/or the second charging interface short circuit, Xiang Suoshu second
The voltage of test side output is low level；The processor is not short-circuit in first charging interface and second charging interface
When, the voltage of the second test side Xiang Suoshu output is high level.
In embodiments of the present invention, switching module characterizes the first charging interface and/or on detecting the first test side
Second voltage converter when the low level signal of short circuit occurs for two charging interfaces, with output lower voltage value (second voltage value)
Connection avoids the terminal of the first charging interface and/or the second charging interface from damaging；Switching module is on detecting the first test side
The first charging interface is characterized and/or when the high level signal of short circuit does not occur for the second charging interface, with output higher voltage value (the
One voltage value) first voltage converter connection, it is ensured that be normally carried out charging and data transmission.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
One of the schematic diagram that Fig. 1 shows the chargers of the embodiment of the present invention to connect with terminal；
Fig. 2 indicates the two of the schematic diagram that the charger of the embodiment of the present invention is connect with terminal；
Fig. 3 indicates schematic diagram short-circuit between the data anode and feeder ear of the second charging interface of the embodiment of the present invention；
Fig. 4 indicates the hardware structural diagram of the terminal of the embodiment of the present invention.
Specific embodiment
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 some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Such as Fig. 1, the embodiment of the invention provides a kind of chargers 1, comprising: exports the first voltage transformation of the first voltage value
Device 11, export the second voltage converter 12 of second voltage value, switching module 13 and connect with the switching module 13 the
One charging interface 14；
Wherein, the second detection of the second charging interface 21 of the first test side of first charging interface 14 and terminal 2
In the case where the connection of end, in 21 short circuit of the first charging interface 14 or the second charging interface, the voltage of first test side is
Low level；When the first charging interface 14 and the second charging interface 21 be not short-circuit, the voltage of first test side is high level；
When voltage of the switching module 13 in first test side is high level, with the first voltage converter 11
Connection；When voltage of the switching module 13 in first test side is low level, connect with the second voltage converter 12
It connects；The first voltage value is greater than the second voltage value.
Optionally, first charging interface 14 and the second charging interface 21 can be Micro USB interface, be also possible to
Type-C USB interface can also be magnetic interface, such as: first charging interface 14 is filled by magnetic mode with described second
Electrical interface 21 connects.
As a kind of implementation, first voltage converter 11 is used for the electricity of power supply (such as: alternating current 220V power supply)
Pressure be converted to the first voltage value output, optionally, the first voltage value be the terminal 2 charging voltage value (such as: 5V, 12V
Deng).
Second voltage converter 12 is used to being converted to the voltage of the power supply into second voltage value output；Second electricity
Pressure value determines by the voltage value that second charging interface 21 can bear, as: the data terminal institute of second charging interface 21
The voltage value that can be born is less than 2.1V, then second voltage value can be less than or equal to 1.8V.
As another implementation, the input terminal of the second voltage converter 12 and the first voltage converter 11
Output end connection.Wherein, first voltage converter 11 is for being converted to the voltage of power supply (such as: alternating current 220V power supply)
The first voltage value output, optionally, the first voltage value are the charging voltage value (such as: 5V, 12V) of the terminal 2.
Second voltage converter 12 is used to being converted to the first voltage value that the first voltage converter 11 exports into the second electricity
The output of pressure value；The second voltage value is determined that such as: described second fills by the voltage value that second charging interface 21 can bear
The voltage value that the data terminal of electrical interface 21 can bear is 2.1V, then second voltage value can be less than or equal to 1.8V.It is preferred that
, the second voltage converter 12 can be low pressure difference linear voltage regulator (low dropout regulator, LDO).
Wherein, the voltage of first test side is determined by the voltage of second test side.
Specifically, in 13 default connection of switching module to the second voltage converter 12 of output second voltage value.Work as terminal
Side detects that the voltage value on the data terminal (such as: data anode) of the second charging interface 21 is that (such as: 1.8V is somebody's turn to do more than preset value
Preset value can be determined by the second voltage value that second voltage converter 12 exports) when, it is determined that the first charging interface 14 and/or
Short circuit (such as: short circuit occurring between data anode and feeder ear) occurs for the second charging interface 21, then to the second charging interface 21
Second test side output voltage is low level, and the first test side of the first charging interface 14 passes through the electricity with the second charging interface 21
Connection, voltage is also low level；When the voltage of first test side of the first charging interface 14 is low level, switching module 13 is tieed up
Hold the state connecting with second voltage converter 12, it is ensured that the voltage of the data terminal of the second charging interface 21 is no more than preset value,
Avoid the damage positive pin of data.
When terminal side detects the voltage value of the data terminal of the second charging interface 21 lower than the preset value, it is determined that first
Short circuit does not occur between charging interface 14 and/or the second charging interface 21, then it is defeated to the second test side of the second charging interface 21
Out voltage is high level, and the first test side of the first charging interface 14 with the second charging interface 21 by being electrically connected, voltage
It also is high level, switching module 13 switches to the state connecting with first voltage converter 11, it is ensured that is normally carried out charging sum number
According to transmission.
In above scheme, switching module 13 characterizes the first charging interface 14 and/or second on detecting the first test side
Second voltage converter when the low level signal of short circuit occurs for charging interface 21, with output lower voltage value (second voltage value)
12 connections, avoid the terminal of the first charging interface 14 and/or the second charging interface 21 from damaging；Switching module 13 is detecting first
The first charging interface 14 is characterized on test side and/or when the high level signal of short circuit does not occur for the second charging interface 21, with output
The first voltage converter 11 of higher voltage value (the first voltage value) connects, it is ensured that is normally carried out charging and data transmission.
Such as Fig. 2, the example that magnetic connects between the first charging interface 14 and the second charging interface 21 is given.Wherein,
One charging interface 14 includes: the first feeder ear, the second feeder ear (VBUS), data anode (D+), data negative terminal (D-), the first inspection
It surveys end (DET), the first ground terminal, the second ground terminal (GND)；Second charging interface 21 includes: the first feeder ear, the second feeder ear
(VBUS), data anode (D+), data negative terminal (D-), the second test side (DET), the first ground terminal, the second ground terminal (GND).
When the first charging interface 14 is connect with 21 magnetic of the second charging interface, the first feeder ear of the first charging interface 14
It is connect with the first feeder ear of the second charging interface 21；Second feeder ear of the first charging interface 14 and the second charging interface 21
The connection of second feeder ear；The data anode of first charging interface 14 is connect with the data anode of the second charging interface 21；First fills
The data negative terminal of electrical interface 14 is connect with the data negative terminal of the second charging interface 21；First test side of the first charging interface 14 with
Second test side of the second charging interface 21 connects；The first of first ground terminal of the first charging interface 14 and the second charging interface 21
Ground terminal connection；Second ground terminal of the first charging interface 14 is connect with the second ground terminal of the second charging interface 21.
Specifically, the switching module 13 includes: control terminal 130 and the first connecting pin 131；
The control terminal 130 is connect with first test side (DET), and first connecting pin 131 is filled with described first
The feeder ear (VBUS) of electrical interface 14 connects.
Wherein, the switching module 13 detects the voltage of first test side for high electricity by the control terminal 130
Usually, it is in the first on state；First conducting is that first connecting pin 131 is led with the first voltage converter 11
Logical state；
When the switching module 13 detects that the voltage of first test side is low level by the control terminal 130,
In the second on state, second on state is that first connecting pin 131 is led with the second voltage converter 12
Logical state.
In this way, when switching module 13 detected by control terminal 130 characterized on first test side the first charging interface 14 and/
Or second charging interface 21 occur short circuit low level signal (such as: logical signal 0) when, be in first connecting pin 131
With the second on state of the second voltage converter 12 conducting, i.e. second voltage converter 12 and the first charging interface 14
Feeder ear conducting guarantees to export lower voltage value (second voltage value) by second voltage converter 12, avoids the first charging
The damage of the terminal of mouth 14 and/or the second charging interface 21；
The first charging interface 14 and/or the are characterized on first test side when switching module 13 is detected by control terminal 130
When high level signal (such as: logical signal 1) of short circuit does not occur for two charging interfaces 21, in first connecting pin 131 with
The first on state that the first voltage converter 11 is connected, the i.e. confession of first voltage converter 11 and the first charging interface 14
Electric end conducting, to export higher voltage value (the first voltage value) by first voltage converter 11, it is ensured that be normally carried out charging and
Data transmission.
Further, the switching module 13 further include: second connection end 132 and third connecting pin 133；
The second connection end 132 is connect with the first output end of the first voltage converter 11, the third connection
End 133 is connect with the output end of the second voltage converter 12；
Wherein, first on state is the shape of first connecting pin 131 with the second connection end 132 conducting
State；Second on state is the state of first connecting pin 131 with the third connecting pin 133 conducting.
In this way, when switching module 13 detected by control terminal 130 characterized on first test side the first charging interface 14 and/
Or second charging interface 21 when the low level signal of short circuit occurs, in first connecting pin 131 and the third connecting pin
Second on state of 133 conductings, i.e. second voltage converter 12 are connected with the feeder ear of the first charging interface 14, guarantee to pass through
Second voltage converter 12 exports lower voltage value (second voltage value), avoids the first charging interface 14 and/or the second charging
The terminal damage of mouth 21；
The first charging interface 14 and/or the are characterized on first test side when switching module 13 is detected by control terminal 130
When the high level signal of short circuit does not occur for two charging interfaces 21, in first connecting pin 131 and the second connection end 132
First on state of conducting, i.e. first voltage converter 11 are connected with the feeder ear of the first charging interface 14, to pass through first
Voltage changer 11 exports higher voltage value (the first voltage value), it is ensured that is normally carried out charging and data transmission.
Such as Fig. 2, optionally, the switching module 13 includes: single-pole double-throw switch (SPDT).
Specifically, the feeder ear of the first sub- connecting pin of the single-pole double-throw switch (SPDT) and first charging interface 14 connects
It connects, the sub- connecting pin of the second of the single-pole double-throw switch (SPDT) is connect with the output end of the first voltage converter 11, the hilted broadsword
The sub- connecting pin of the third of commutator is connect with the output end of the second voltage converter 12, the son of the single-pole double-throw switch (SPDT)
Control terminal is connect with first test side.
Optionally, the single-pole double-throw switch (SPDT) is the chip (Integrated Circuit, IC) with switching function,
Referred to as integrated circuit.Wherein, sub- control terminal is used to receive the electric signal of the first test side of the first charging interface (such as: high electricity
Flat or low level) so that the single-pole double-throw switch (SPDT) is in the first on state and (leads with the second sub- connecting pin the first sub- connecting pin
It is logical) or the second on state (the first sub- connecting pin is connected with the sub- connecting pin of third).
In the embodiment, the first charging is characterized on the first test side when single-pole double-throw switch (SPDT) is detected by sub- control terminal
When the low level signal of short circuit occurs for mouth 14 and/or the second charging interface 21, in the described first sub- connecting pin and the third
Second on state of sub- connecting pin conducting, i.e. second voltage converter 12 are connected with the feeder ear of the first charging interface 14, protect
Card exports lower voltage value (second voltage value) by second voltage converter 12, avoids the first charging interface 14 and/or second
The terminal of charging interface 21 damages；
When single-pole double throw RF switch detected by sub- control terminal characterized on the first test side the first charging interface 14 and/
Or second charging interface 21 when the high level signal of short circuit not occurring, it sub is connect in the described first sub- connecting pin with described second
The first on state of conducting is held, i.e. first voltage converter 11 is connected with the feeder ear of the first charging interface 14, to pass through the
One voltage changer 11 exports higher voltage value (the first voltage value), it is ensured that is normally carried out charging and data transmission.
Such as Fig. 1, the embodiment of the invention also provides a kind of terminals 2, comprising: the second charging interface 21 and with described second
The processor 22 that charging interface 21 connects；
Wherein, the first inspection of the first charging interface 14 of the second test side of second charging interface 21 and charger 1
In the case where surveying end connection, the processor 22 is in 21 short circuit of first charging interface 14 and/or second charging interface
When, the voltage of the second test side Xiang Suoshu output is low level；The processor 22 is in first charging interface 14 and described
When second charging interface 21 is not short-circuit, the voltage of the second test side Xiang Suoshu output is high level.
Optionally, first charging interface 14 and the second charging interface 21 can be Micro USB interface, be also possible to
Type-C USB interface can also be magnetic interface, such as: first charging interface 14 is filled by magnetic mode with described second
Electrical interface 21 connects.
Wherein, the voltage of first test side is determined by the voltage of second test side.
Specifically, when terminal side detects that the voltage value on the data terminal (such as: data anode) of the second charging interface 21 is
When more than preset value (such as: 1.8V, the preset value can be determined by the second voltage value that second voltage converter 12 exports), then really
Short circuit (such as: short circuit occurring between data anode and feeder ear) occurs for fixed first charging interface 14 and/or the second charging interface 21,
It is then low level to the second test side output voltage of the second charging interface 21, the first test side of the first charging interface 14 passes through
With being electrically connected for the second charging interface 21, voltage is also low level；The voltage of first test side of the first charging interface 14 is
When low level, switching module 13 maintains the state connecting with second voltage converter 12, it is ensured that the data of the second charging interface 21
The voltage at end is no more than preset value, avoids damage D+ pin.
When terminal side detects the voltage value of the data terminal of the second charging interface 21 lower than the preset value, it is determined that first
Short circuit does not occur between charging interface 14 and/or the second charging interface 21, then it is defeated to the second test side of the second charging interface 21
Out voltage is high level, and the first test side of the first charging interface 14 with the second charging interface 21 by being electrically connected, voltage
It also is high level, switching module 13 switches to the state connecting with first voltage converter 11, it is ensured that is normally carried out charging sum number
According to transmission.
Such as Fig. 2, inventive embodiments additionally provide a kind of terminal 2, comprising: the second charging interface 21, processor 22 and company
The analog-digital converter 23 being connected between second charging interface 21 and the processor 22.
Wherein, the analog-digital converter 23 acquires the voltage value of the data terminal of second charging interface 21, and will be described
Voltage value is sent to the processor 22.
The processor 22 the data terminal of second charging interface 21 voltage value be less than or equal to preset threshold when,
The voltage exported to second test side is low and high level；
The processor 22 the data terminal of second charging interface 21 voltage value be greater than the preset threshold when, to
The voltage of the second test side output is low high level.
Further, the terminal 2 further include: partial pressure mould group 24, the first end of the partial pressure mould group 24 and the modulus
The input terminal of converter 23 connects, and 23 input terminal of analog-digital converter is connect with the data terminal, the partial pressure mould group 24
Second end ground connection.
Specifically, the partial pressure mould group 24 includes sectional pressure element, the first end of the sectional pressure element and the analog-to-digital conversion
The input terminal of device 23 connects, the second end ground connection of the sectional pressure element.
Wherein, analog-digital converter 23 and partial pressure mould group 24 can integrate in processor 22, be also possible in 2 China and foreign countries of terminal
Set on the circuit structure of processor 22, to guarantee to acquire the voltage value of the data terminal of the second charging interface 21, and it is transmitted to
The processing of processor 22, and there is voltage divide function, invention is not limited thereto.
Optionally, the sectional pressure element is resistance, and the resistance value of the resistance can be 100 Ω.
Specifically, as Fig. 3 gives generation short circuit between the data anode and feeder ear of a kind of second charging interface 21
Example.Such as: there are foreign matters, and short circuit occurs between data anode and feeder ear, if foreign matter impedance is less than 100K Ω, in terminal 2 with
The voltage U of the input terminal of data terminal connection are as follows:
In the embodiment, when short circuit occurs there are foreign matter between the data anode of the second charging interface 21 and feeder ear,
The voltage of data anode is 1.8V, and the voltage that analog-digital converter 23 detects is 1.8mv, and processor 22 receives analog-digital converter
When 23 voltage values sent are for 1.8mv or more than 1.8mv, then terminal 2 determines the first charging interface 14 and/or the second charging
Short circuit occurs for mouth 21, then is low level to the second test side output voltage of the second charging interface 21, so that the first charging interface
By being electrically connected with second charging interface 21, keeping voltage is also low level for 14 the first test side；Such first charging
When the voltage of first test side of mouth 14 is low level, switching module 13 maintains the state connecting with second voltage converter 12,
Ensure that the voltage of the data terminal of the second charging interface 21 is no more than the safe voltage (2.1V) of data terminal, damage data is avoided just to draw
Foot.
When the voltage value that processor 22 receives the transmission of analog-digital converter 23 is less than 1.8mv, then terminal 2 determines first
Short circuit does not occur for charging interface 14 and/or the second charging interface 21, then exports electricity to the second test side of the second charging interface 21
Pressure is high level, and the first test side of the first charging interface 14 keeps voltage by being electrically connected with the second charging interface 21
For high level, switching module 13 switches to the state connecting with first voltage converter 11, it is ensured that is normally carried out charging and data
Transmission.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
A kind of hardware structural diagram of Fig. 4 terminal of each embodiment to realize the present invention.
The terminal 400 includes but is not limited to: radio frequency unit 401, network module 402, audio output unit 403, input are single
Member 404, sensor 405, display unit 406, user input unit 407, interface unit 408, memory 409, processor 410,
And the equal components of power supply 411.It will be understood by those skilled in the art that the not structure paired terminal of terminal structure shown in Fig. 4
It limits, terminal may include perhaps combining certain components or different component layouts than illustrating more or fewer components.
In embodiments of the present invention, terminal include but is not limited to mobile phone, tablet computer, laptop, palm PC, car-mounted terminal,
Wearable device and pedometer etc..
Wherein, the terminal 400 further includes the second charging interface, and second charging interface is connect with processor；
Wherein, the first test side of the first charging interface of the second test side and charger of second charging interface connects
In the case where connecing, processor 410 be used in first charging interface and/or the second charging interface short circuit, control to
The voltage of the second test side output is low level；The processor is in first charging interface and second charging
When mouth is not short-circuit, controlling the voltage exported to second test side is high level.
Terminal in the embodiment of the present invention, in the second test side of second charging interface and the first charging of charger
In the case where the first test side connection of interface, filled by the processor in first charging interface and/or described second
When electrical interface short circuit, the voltage of the second test side Xiang Suoshu output is low level, so that charger output voltage lower second
Voltage value, to avoid charging interface damage；The processor is not short in first charging interface and second charging interface
The voltage of the second test side Lu Shi, Xiang Suoshu output is high level, so that the higher the first voltage value of charger output voltage, with
Guarantee is normally charged and data connection.
It should be understood that the embodiment of the present invention in, radio frequency unit 401 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 410 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 401 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 401 can also by wireless communication system and network and other set
Standby communication.
Terminal provides wireless broadband internet by network module 402 for user and accesses, and such as user is helped to receive and dispatch electricity
Sub- mail, browsing webpage and access streaming video etc..
Audio output unit 403 can be received by radio frequency unit 401 or network module 402 or in memory 409
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 403 can also provide and end
The relevant audio output of specific function (for example, call signal receives sound, message sink sound etc.) that end 400 executes.Sound
Frequency output unit 403 includes loudspeaker, buzzer and receiver etc..
Input unit 404 is for receiving audio or video signal.Input unit 404 may include graphics processor
(Graphics Processing Unit, GPU) 4041 and microphone 4042, graphics processor 4041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 406.Through graphics processor 4041, treated that picture frame can be deposited
Storage is sent in memory 409 (or other storage mediums) or via radio frequency unit 401 or network module 402.Mike
Wind 4042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be
The format output that mobile communication base station can be sent to via radio frequency unit 401 is converted in the case where telephone calling model.
Terminal 400 further includes at least one sensor 405, such as optical sensor, motion sensor and other sensors.
Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to ambient light
Light and shade adjusts the brightness of display panel 4061, and proximity sensor can close display panel when terminal 400 is moved in one's ear
4061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (generally three axis) and add
The size of speed can detect that size and the direction of gravity when static, can be used to identify terminal posture (such as horizontal/vertical screen switching,
Dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；Sensor 405 can be with
Including fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, hygrometer, thermometer,
Infrared sensor etc., details are not described herein.
Display unit 406 is for showing information input by user or being supplied to the information of user.Display unit 406 can wrap
Display panel 4061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 4061.
User input unit 407 can be used for receiving the number or character information of input, and generates and set with the user of terminal
It sets and the related key signals of function control inputs.Specifically, user input unit 407 include touch panel 4071 and other
Input equipment 4072.Touch panel 4071, also referred to as touch screen, collect user on it or nearby touch operation (such as
User is using any suitable objects or attachment such as finger, stylus on touch panel 4071 or near touch panel 4071
Operation).Touch panel 4071 may include both touch detecting apparatus and touch controller.Wherein, touch detecting apparatus is examined
The touch orientation of user is surveyed, and detects touch operation bring signal, transmits a signal to touch controller；Touch controller from
Touch information is received on touch detecting apparatus, and is converted into contact coordinate, then gives processor 410, receives processor 410
The order sent simultaneously is executed.Furthermore, it is possible to using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves
Realize touch panel 4071.In addition to touch panel 4071, user input unit 407 can also include other input equipments 4072.
Specifically, other input equipments 4072 can include but is not limited to physical keyboard, function key (such as volume control button, switch
Key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 4071 can be covered on display panel 4061, when touch panel 4071 is detected at it
On or near touch operation after, send processor 410 to determine the type of touch event, be followed by subsequent processing device 410 according to touching
The type for touching event provides corresponding visual output on display panel 4061.Although in Fig. 4, touch panel 4071 and display
Panel 4061 is the function that outputs and inputs of realizing terminal as two independent components, but in certain embodiments, it can
The function that outputs and inputs of terminal is realized so that touch panel 4071 and display panel 4061 is integrated, is not limited herein specifically
It is fixed.
Interface unit 408 is the interface that external device (ED) is connect with terminal 400.For example, external device (ED) may include it is wired or
Wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, memory card port,
For connecting port, the port audio input/output (I/O), video i/o port, ear port of the device with identification module
Etc..Interface unit 408 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and will
One or more elements that the input received is transferred in terminal 400 or can be used for terminal 400 and external device (ED) it
Between transmit data.
Memory 409 can be used for storing software program and various data.Memory 409 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 409 may include high-speed random access memory, it can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 410 is the control centre of terminal, using the various pieces of various interfaces and the entire terminal of connection, is led to
It crosses operation or executes the software program and/or module being stored in memory 409, and call and be stored in memory 409
Data execute the various functions and processing data of terminal, to carry out integral monitoring to terminal.Processor 410 may include one
Or multiple processing units；Preferably, processor 410 can integrate application processor and modem processor, wherein application processing
The main processing operation system of device, user interface and application program etc., modem processor mainly handles wireless communication.It can manage
Solution, above-mentioned modem processor can not also be integrated into processor 410.
Terminal 400 can also include the power supply 411 (such as battery) powered to all parts, it is preferred that power supply 411 can be with
It is logically contiguous by power-supply management system and processor 410, thus by power-supply management system realize management charging, electric discharge, with
And the functions such as power managed.
In addition, terminal 400 includes some unshowned functional modules, details are not described herein.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (18)
1. a kind of charger characterized by comprising export first voltage converter, the output second voltage of the first voltage value
Second voltage converter, switching module and the first charging interface being connect with the switching module of value；
Wherein, the feelings of the second test side connection of the second charging interface of the first test side and terminal of first charging interface
Under condition, in the first charging interface or the second charging interface short circuit, the voltage of first test side is low level；It is filled first
When electrical interface and not short-circuit the second charging interface, the voltage of first test side is high level；
When voltage of the switching module in first test side is high level, it is connect with the first voltage converter；Institute
State switching module first test side voltage be low level when, connect with the second voltage converter；Described first
Voltage value is greater than the second voltage value.
2. charger according to claim 1, which is characterized in that the switching module includes: control terminal and the first connection
End；
The control terminal is connect with first test side, and the feeder ear of first connecting pin and first charging interface connects
It connects；
Wherein, it when the switching module detects that the voltage of first test side is high level by the control terminal, is in
First on state；First on state is the state that first connecting pin is connected with the first voltage converter；
When the switching module detects that the voltage of first test side is low level by the control terminal, led in second
Logical state, second on state are the state that first connecting pin is connected with the second voltage converter.
3. charger according to claim 2, which is characterized in that the switching module further include: second connection end and
Three connecting pins；
The second connection end is connect with the first output end of the first voltage converter, the third connecting pin and described the
The output end of two voltage changers connects；
Wherein, first on state is the state that first connecting pin is connected with the second connection end；Described second
On state is the state that first connecting pin is connected with the third connecting pin.
4. charger according to any one of claim 1 to 3, which is characterized in that the switching module includes:
The feeder ear of single-pole double-throw switch (SPDT), the sub- connecting pin of the first of the single-pole double-throw switch (SPDT) and first charging interface connects
It connects, the sub- connecting pin of the second of the single-pole double-throw switch (SPDT) is connect with the output end of the first voltage converter, and the hilted broadsword is double
The sub- connecting pin of the third of throw switch is connect with the output end of the second voltage converter, the son control of the single-pole double-throw switch (SPDT)
End is connect with first test side.
5. charger according to claim 1, which is characterized in that the input terminal of the second voltage converter and described the
The output end of one voltage changer connects.
6. charger according to claim 5, which is characterized in that the second voltage converter is low pressure difference linearity pressure stabilizing
Device.
7. charger according to claim 1, which is characterized in that the voltage of first test side is detected by described second
The voltage at end determines.
8. charger according to claim 1, which is characterized in that the first voltage value is the charging voltage of the terminal
Value.
9. charger according to claim 1, which is characterized in that the second voltage value is by the second charging interface institute
The voltage value that can be born determines.
10. charger according to claim 1, which is characterized in that first charging interface passes through magnetic mode and institute
State the connection of the second charging interface.
11. a kind of terminal characterized by comprising
Second charging interface；
The processor being connect with second charging interface；
Wherein, the first test side of the first charging interface of the second test side and charger of second charging interface connects
In the case of, in first charging interface and/or the second charging interface short circuit, Xiang Suoshu second is detected the processor
The voltage of end output is low level；The processor when first charging interface and second charging interface be not short-circuit,
The voltage exported to second test side is high level.
12. terminal according to claim 11, which is characterized in that data of the processor in second charging interface
When the voltage value at end is less than or equal to preset threshold, the voltage of the test side output of the second charging interface of Xiang Suoshu is low level；
The processor is when the voltage value of the data terminal is greater than the preset threshold, the electricity of the second test side Xiang Suoshu output
Pressure is high level.
13. terminal according to claim 12, which is characterized in that further include:
The analog-digital converter being connected between second charging interface and the processor；
Wherein, the analog-digital converter acquires the voltage value of the data terminal, and the voltage value is sent to the processor.
14. terminal according to claim 13, which is characterized in that further include:
Mould group is divided, the first end of the partial pressure mould group is connect with the input terminal of the analog-digital converter, the analog-digital converter
Input terminal connect with the data terminal, it is described partial pressure mould group second end ground connection.
15. terminal according to claim 14, which is characterized in that the partial pressure mould group includes:
Sectional pressure element, the first end of the sectional pressure element are connect with the input terminal of the analog-digital converter, the sectional pressure element
Second end ground connection.
16. terminal according to claim 15, which is characterized in that the sectional pressure element is resistance.
17. terminal according to claim 11, which is characterized in that the voltage of first test side is detected by described second
The voltage at end determines.
18. terminal according to claim 11, which is characterized in that second charging interface by magnetic mode with it is described
The connection of first charging interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359893.1A CN110021981B (en) | 2019-04-30 | 2019-04-30 | Charger and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359893.1A CN110021981B (en) | 2019-04-30 | 2019-04-30 | Charger and terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110021981A true CN110021981A (en) | 2019-07-16 |
| CN110021981B CN110021981B (en) | 2021-03-23 |
Family
ID=67192944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910359893.1A Active CN110021981B (en) | 2019-04-30 | 2019-04-30 | Charger and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110021981B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707782A (en) * | 2019-10-31 | 2020-01-17 | 维沃移动通信有限公司 | Charging control circuit, charging communication circuit, electronic device, and charging control method |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201966651U (en) * | 2011-02-23 | 2011-09-07 | 深圳市博驰信电子有限责任公司 | Battery charger control device with automatic recognition function |
| CN103474967A (en) * | 2012-06-07 | 2013-12-25 | 苏州赛芯电子科技有限公司 | Highly-integrated battery protection circuit |
| US20150244188A1 (en) * | 2011-03-15 | 2015-08-27 | Sony Mobile Communications Inc. | Power charging device and mobile terminal apparatus |
| CN105244979A (en) * | 2015-11-06 | 2016-01-13 | 上海斐讯数据通信技术有限公司 | Charger and charger charging method |
| CN106340932A (en) * | 2016-10-17 | 2017-01-18 | 惠州Tcl移动通信有限公司 | Mobile terminal connection detection method and system based on USB interface charger |
| CN106786942A (en) * | 2016-12-30 | 2017-05-31 | 深圳天珑无线科技有限公司 | A kind of charge protection device and charging system |
| CN206594557U (en) * | 2017-02-08 | 2017-10-27 | 北京小鸟看看科技有限公司 | A kind of power supply circuit and electronic equipment for electronic equipment |
| CN107359668A (en) * | 2016-08-19 | 2017-11-17 | 深圳市柔宇科技有限公司 | Charger, electronic installation, charging system and charging method |
| CN108539831A (en) * | 2017-03-02 | 2018-09-14 | 深圳市昭恒新能源技术有限公司 | A kind of short-circuit detecting circuit of charging equipment and its output end |
| CN208001164U (en) * | 2017-11-14 | 2018-10-23 | 华为技术有限公司 | Charging unit and charging system |
| CN109245244A (en) * | 2018-11-13 | 2019-01-18 | Oppo（重庆）智能科技有限公司 | Charging circuit, charging method, electronic equipment and storage medium |
| CN109361254A (en) * | 2018-12-22 | 2019-02-19 | 东莞市壹带电源科技有限公司 | Intelligent charger and mobile power source one full of the quick charger automatically shut down |
| CN109378878A (en) * | 2018-11-13 | 2019-02-22 | Oppo（重庆）智能科技有限公司 | Charging circuit, charging method, electronic equipment and storage medium |
| CN109412234A (en) * | 2018-11-13 | 2019-03-01 | Oppo（重庆）智能科技有限公司 | Charging circuit, charging method, electronic equipment and storage medium |
-
2019
- 2019-04-30 CN CN201910359893.1A patent/CN110021981B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201966651U (en) * | 2011-02-23 | 2011-09-07 | 深圳市博驰信电子有限责任公司 | Battery charger control device with automatic recognition function |
| US20150244188A1 (en) * | 2011-03-15 | 2015-08-27 | Sony Mobile Communications Inc. | Power charging device and mobile terminal apparatus |
| CN103474967A (en) * | 2012-06-07 | 2013-12-25 | 苏州赛芯电子科技有限公司 | Highly-integrated battery protection circuit |
| CN105244979A (en) * | 2015-11-06 | 2016-01-13 | 上海斐讯数据通信技术有限公司 | Charger and charger charging method |
| CN107359668A (en) * | 2016-08-19 | 2017-11-17 | 深圳市柔宇科技有限公司 | Charger, electronic installation, charging system and charging method |
| CN106340932A (en) * | 2016-10-17 | 2017-01-18 | 惠州Tcl移动通信有限公司 | Mobile terminal connection detection method and system based on USB interface charger |
| CN106786942A (en) * | 2016-12-30 | 2017-05-31 | 深圳天珑无线科技有限公司 | A kind of charge protection device and charging system |
| CN206594557U (en) * | 2017-02-08 | 2017-10-27 | 北京小鸟看看科技有限公司 | A kind of power supply circuit and electronic equipment for electronic equipment |
| CN108539831A (en) * | 2017-03-02 | 2018-09-14 | 深圳市昭恒新能源技术有限公司 | A kind of short-circuit detecting circuit of charging equipment and its output end |
| CN208001164U (en) * | 2017-11-14 | 2018-10-23 | 华为技术有限公司 | Charging unit and charging system |
| CN109245244A (en) * | 2018-11-13 | 2019-01-18 | Oppo（重庆）智能科技有限公司 | Charging circuit, charging method, electronic equipment and storage medium |
| CN109378878A (en) * | 2018-11-13 | 2019-02-22 | Oppo（重庆）智能科技有限公司 | Charging circuit, charging method, electronic equipment and storage medium |
| CN109412234A (en) * | 2018-11-13 | 2019-03-01 | Oppo（重庆）智能科技有限公司 | Charging circuit, charging method, electronic equipment and storage medium |
| CN109361254A (en) * | 2018-12-22 | 2019-02-19 | 东莞市壹带电源科技有限公司 | Intelligent charger and mobile power source one full of the quick charger automatically shut down |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707782A (en) * | 2019-10-31 | 2020-01-17 | 维沃移动通信有限公司 | Charging control circuit, charging communication circuit, electronic device, and charging control method |
| CN110707782B (en) * | 2019-10-31 | 2021-02-02 | 维沃移动通信有限公司 | Charging control circuit, charging communication circuit, electronic device, and charging control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110021981B (en) | 2021-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021109931A1 (en) | Touch control method and wearable device | |
| CN109672254A (en) | A kind of charging control circuit, terminal device and control method | |
| CN108494030A (en) | A kind of wireless charging method, terminal and transmitting end equipment | |
| CN108572767A (en) | A kind of method in determining external object orientation, mobile terminal | |
| CN108628521A (en) | A kind of screen operating method and mobile terminal | |
| CN108767919A (en) | A kind of charging unit, terminal device and charging method | |
| CN110045807A (en) | A kind of voltage control method and terminal | |
| CN110213686A (en) | A kind of detection method and terminal of earphone socket | |
| CN109888928A (en) | A kind of terminal and wireless charging control method | |
| CN108810701B (en) | A kind of Type-C interface method for detecting abnormality and mobile terminal | |
| CN108289270A (en) | A kind of loud speaker and mobile terminal | |
| CN107887947A (en) | A kind of guard method of charging port and mobile terminal | |
| CN111651387B (en) | Interface circuit and electronic equipment | |
| CN110267145A (en) | A kind of state display method and terminal device | |
| CN109995110A (en) | A kind of connector, electronic equipment, data transmission method and device | |
| CN109755997A (en) | A kind of charging method and terminal device | |
| CN109061342A (en) | A kind of fast charge plug test method and device | |
| CN208445606U (en) | Housing unit and electronic equipment | |
| CN109151143A (en) | A kind of foreign bodies detection structure, method and mobile terminal | |
| CN108448177A (en) | A kind of charging method and terminal | |
| CN110190641B (en) | Charging control circuit, terminal equipment and data line | |
| CN110021981A (en) | Charger and terminal | |
| CN110209543A (en) | A kind of detection method and terminal of earphone socket | |
| CN109991507A (en) | A kind of smart card contact detection circuit, method and apparatus | |
| CN108595352A (en) | A kind of guard method of mobile terminal and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |