CN108336771A - The guard method and device of charging circuit, charge protector and mobile terminal - Google Patents
The guard method and device of charging circuit, charge protector and mobile terminal Download PDFInfo
- Publication number
- CN108336771A CN108336771A CN201710039476.XA CN201710039476A CN108336771A CN 108336771 A CN108336771 A CN 108336771A CN 201710039476 A CN201710039476 A CN 201710039476A CN 108336771 A CN108336771 A CN 108336771A
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- Prior art keywords
- transmission channel
- battery modules
- abnormal
- amplified
- analog
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
Abstract
The present invention provides a kind of guard method of charging circuit and device, charge protector and mobile terminals.Wherein, the guard method of the charging circuit includes：Whether the transmission channel between detection charging unit and battery modules is abnormal and/or whether the battery modules are abnormal；The conducting state of the transmission channel is controlled according to the testing result of testing result and/or the battery modules for the transmission channel.Through the invention, it solves the problems, such as that there are safeties and validity to be protected when battery present in the relevant technologies charges, while validity when battery charging and safety can also be effectively improved, ensure that experience when user uses.
Description
Technical field
The present invention relates to circuit field, guard method and device in particular to a kind of charging circuit, charge protections
Circuit and mobile terminal.
Background technology
In the related technology, in terms of terminal charge, the requirement to the timeliness of charging is higher and higher, therefore, more to close
In terms of note point is more fast charge field.Meanwhile the development of fast charge technology, also due to standard is intricate, version is constantly drilled
Into in specific implement on end product, it is easy to safety problem occur.In addition, effective charging of battery and charging longevity
Ordering cotton spinning, there are also problems.For example, the big voltage of high current can cause the self-shield for being not easy to restore of charging and discharging certain module, make
The whole thrashing that is charged and discharged can cause battery to lose validity.And the high power transmission of the big voltage of high current is in certain fields
The damage of charging and discharging certain module can be caused under scape, and it will cause batteries to lose safety.And lose validity and safety just
Mean that prodigious application risk and inconvenience can be caused to user.Therefore, in the related technology, when charging for battery
There are problems that safety and validity can not be protected, there are no a kind of relatively good solutions.
Invention content
An embodiment of the present invention provides a kind of guard method of charging circuit and device, charge protector and movements eventually
End, there are safeties and validity to be protected when at least solving the problems, such as battery charging in the related technology.
According to one embodiment of present invention, a kind of guard method of charging circuit is provided, including：Detect charging unit
Whether the transmission channel between battery modules is abnormal and/or whether the battery modules are abnormal；According to for institute
The testing result of the testing result and/or the battery modules of stating transmission channel controls the conducting state of the transmission channel.
Optionally, the signal via the transmission channel is amplified and analog to digital conversion, and/or, to via the electricity
The signal of pond module is amplified and analog to digital conversion；It is amplified described and the signal of the transmission channel after analog to digital conversion and
One predetermined threshold is compared, and obtains the first comparison result；And/or it described is amplified and the battery modules after analog to digital conversion
Signal be compared with the second predetermined threshold, obtain the second comparison result；It is more than described the in first comparison result
When one predetermined threshold and/or second comparison result are more than second predetermined threshold, determine that the transmission channel occurs
The abnormal and/or described battery modules are abnormal.
Optionally, the transmission channel includes：Positive transmission channel and cathode transmission channel, wherein the anode passes
Defeated access is the positive transmission channel between the anode of the battery modules of the charging unit, the cathode transmission channel
For the transmission channel between the cathode and the cathode of the battery modules of the charging unit.
Optionally, the conducting state for controlling the transmission channel includes：Be connected or interrupt the positive transmission channel；Conducting
Or interrupt the cathode transmission channel.
Optionally, when detecting that the transmission channel and/or the battery modules are abnormal, according to for the biography
After the testing result of the testing result of defeated access and/or the battery modules controls the conducting state of the transmission channel, institute
The method of stating further includes：After the predetermined time, whether charge protector continues to detect the transmission channel and is abnormal and/or institute
State whether battery modules are abnormal.
Optionally, detecting what number that the battery modules are abnormal and/or the transmission channel were abnormal
When number is more than predetermined threshold, determine that the charging unit is damaged.
According to another embodiment of the invention, a kind of protective device of charging circuit is provided, including：Detection module,
For detecting, whether the transmission channel between charging unit and battery modules is abnormal and/or whether the battery modules occur
It is abnormal；Control module, for the testing result control according to testing result and/or the battery modules for the transmission channel
Make the conducting state of the transmission channel.
Optionally, the detection module further includes：Processing unit, for the signal via the transmission channel into
Row amplification and analog to digital conversion, and/or, the signal via the battery modules is amplified and analog to digital conversion；Compare list
Described be amplified is compared with the signal of the transmission channel after analog to digital conversion with the first predetermined threshold, obtains first by member
Comparison result；And/or described be amplified is compared with the signal of the battery modules after analog to digital conversion and the second predetermined threshold
Compared with obtaining the second comparison result；Determination unit, for first comparison result be more than first predetermined threshold and/
Or second comparison result determines that the transmission channel is abnormal and/or described when being more than second predetermined threshold
Battery modules are abnormal.
Optionally, the detection module was additionally operable to after the predetermined time, and it is logical that charge protector continues to detect the transmission
Whether road is abnormal and/or whether the battery modules are abnormal.
Optionally, the control module is additionally operable to：Be connected or interrupt the positive transmission channel；It is connected or interrupts and is described negative
Pole transmission channel.
According to still another embodiment of the invention, a kind of charge protector is provided, including：The charging unit is used
In via the charge protector be the battery modules be powered；The charge protector, be located at charging unit and
Between battery modules, the transmission channel for detecting between the charging unit and the battery modules whether be abnormal and/
Or whether the battery modules are abnormal；And according to for the transmission channel testing result and/or the battery mould
The testing result of group controls the conducting state of the transmission channel.
Optionally, the charge protector includes：First signal processing circuit, for described logical via the transmission
The signal on road is amplified and analog to digital conversion, and/or, the signal via the battery modules is amplified and modulus becomes
It changes；Comparison means, for being amplified described and the signal of the transmission channel after analog to digital conversion and the progress of the first predetermined threshold
Compare, obtains the first comparison result；And/or it is described be amplified it is pre- with the signal of the battery modules after analog to digital conversion and second
Determine threshold value to be compared, obtains the second comparison result；Second signal processor is used in first comparison result as more than institute
When stating the first predetermined threshold and/or second comparison result as more than second predetermined threshold, the transmission channel is determined
It is abnormal and/or the battery modules is abnormal.
According to still a further embodiment, a kind of mobile terminal is provided, including the above-mentioned charge protection electricity referred to
Road.
According to still another embodiment of the invention, a kind of storage medium is additionally provided.The storage medium is set as storage and uses
In the program code for executing following steps：
S1, whether the transmission channel between detection charging unit and battery modules is abnormal and/or the battery modules
Whether it is abnormal；
S2, according to the control of the testing result of testing result and/or the battery modules for the transmission channel
The conducting state of transmission channel.
Through the invention, by being arranged for detecting and controlling biography between the two between charging unit and battery modules
The charge protector of the conducting state of defeated access, therefore can solve there is safety when battery present in the relevant technologies charges
Property and validity the problem of can not being protected, while the validity and safety when battery charging can also be effectively improved
Property, it ensure that experience when user uses.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is a kind of hardware structure diagram of the mobile terminal of the guard method of charging circuit of the embodiment of the present invention；
Fig. 2 is a kind of flow chart of the protection of charging circuit according to the ... of the embodiment of the present invention；
Fig. 3 be it is according to the ... of the embodiment of the present invention it is a kind of based on cell damage when charging circuit guard method flow
Figure；
Fig. 4 is a kind of guarantor of charging circuit based on charging unit supply voltage when unstable according to the ... of the embodiment of the present invention
The flow chart of maintaining method；
Fig. 5 is a kind of structure chart of the protective device of charging circuit according to the ... of the embodiment of the present invention；
Fig. 6 is the structure chart of the protective device of another charging circuit according to the ... of the embodiment of the present invention；
Fig. 7 is a kind of structure chart of charge protector according to the ... of the embodiment of the present invention；
Fig. 8 is the structure chart of another charge protector according to the ... of the embodiment of the present invention.
Specific implementation mode
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.
Embodiment 1
The embodiment of the method that the embodiment of the present application one is provided can be in mobile terminal, terminal or similar fortune
It calculates and is executed in device.For running on mobile terminals, Fig. 1 is a kind of guard method of charging circuit of the embodiment of the present invention
Mobile terminal hardware structure diagram.As shown in Figure 1, mobile terminal 10 may include one or more (only showing one in figure)
(processor 102 can include but is not limited to the processing dress of Micro-processor MCV or programmable logic device FPGA etc. to processor 102
Set), memory 104 for storing data and the transmitting device 106 for communication function.Those of ordinary skill in the art
It is appreciated that structure shown in FIG. 1 is only to illustrate, the structure of above-mentioned electronic device is not caused to limit.For example, mobile whole
End 10 may also include than shown in Fig. 1 more either less components or with the configuration different from shown in Fig. 1.
Memory 104 can be used for storing the software program and module of application software, such as the charging in the embodiment of the present invention
Corresponding program instruction/the module of guard method of circuit, processor 102 are stored in the software journey in memory 104 by operation
Sequence and module realize above-mentioned method to perform various functions application and data processing.Memory 104 may include
High speed random access memory, may also include nonvolatile memory, as one or more magnetic storage device, flash memory or its
His non-volatile solid state memory.In some instances, memory 104 can further comprise remotely setting relative to processor 102
The memory set, these remote memories can pass through network connection to mobile terminal 10.The example of above-mentioned network includes but not
It is limited to internet, intranet, LAN, mobile radio communication and combinations thereof.
Transmitting device 106 is used to receive via a network or transmission data.Above-mentioned network specific example may include
The wireless network that the communication providers of mobile terminal 10 provide.In an example, transmitting device 106 includes a Network adaptation
Device (Network Interface Controller, NIC), can be connected with other network equipments by base station so as to it is mutual
Networking is communicated.In an example, transmitting device 106 can be radio frequency (Radio Frequency, RF) module, use
In wirelessly being communicated with internet.
A kind of guard method for the charging circuit running on above-mentioned mobile terminal is provided in the present embodiment, and Fig. 2 is root
According to a kind of flow chart of the protection of charging circuit of the embodiment of the present invention, as shown in Fig. 2, the flow includes the following steps：
Step S202, whether the transmission channel between detection charging unit and battery modules is abnormal and/or the electricity
Whether pond module is abnormal；
Optionally, above-mentioned transmission channel includes：Positive transmission channel and cathode transmission channel, wherein anode transmission is logical
Road is the transmission channel between the anode and the anode of battery modules of charging unit, and cathode transmission channel is the cathode of charging unit
Transmission channel between the cathode of battery modules.
Optionally, transmission channel be abnormal including：Because shaking institute caused by the electric current for flowing through transmission channel is unstable
Generate high pressure height stream burr, battery modules be abnormal including：Battery modules are damaged or battery modules can not be accessed and be filled
The electric energy of electric installation output.
Optionally, detecting abnormal step includes：By the signal being amplified with the transmission channel after analog to digital conversion
It is compared with the first predetermined threshold, obtains the first comparison result；And/or it described is amplified and the battery after analog to digital conversion
The signal of module is compared with the second predetermined threshold, obtains the second comparison result；In first comparison result for more than institute
When stating the first predetermined threshold and/or second comparison result as more than second predetermined threshold, the transmission channel is determined
It is abnormal and/or the battery modules is abnormal.
Specifically, the method for signal can be amplified by the way that amplifier is arranged, analog to digital conversion can pass through modulus
Converter ADC is converted.‘
It should be pointed out that above-mentioned first predetermined threshold and the second predetermined threshold include：Pass through the maximum electricity of transmission channel
Stream or the maximum voltage at transmission channel both ends.
Step S204, according to the testing result control of testing result and/or the battery modules for the transmission channel
Make the conducting state of the transmission channel；
Optionally, continue to detect after implementing circuit protection in the predetermined time after the conducting state of controlling transmission access
Whether the transmission channel is abnormal and/or whether the battery modules are abnormal.And continue after detecting exception real
Circuit protection is applied, and carries out cycle detection.
Optionally, after the conducting state for controlling the transmission channel, the conducting of the control transmission channel is shown
The result of state.For example, showing whether current mobile terminal detects normally, show whether current charging unit is stablized, shows
Whether the battery of mobile terminal is damaged.
Optionally, detecting that number that the battery modules are abnormal and/or the transmission channel be abnormal greatly
When predetermined threshold, determine that the charging unit is damaged.Meanwhile by the result being damaged including in the aobvious of mobile terminal
In display screen.
It should be pointed out that if detecting whether the transmission channel between the charging unit and the battery modules is sent out
When raw abnormal number is more than predetermined threshold, it is determined that current charging unit charging is unstable.Meanwhile by the shakiness of charging unit
Determine result to be shown on the display screen of mobile terminal.
Optionally, in the present embodiment, following scene is additionally provided, so that inventor understands described in the present embodiment
Technical solution：
Scene 1
Fig. 3 be it is according to the ... of the embodiment of the present invention it is a kind of based on cell damage when charging circuit guard method flow
Figure.As shown in figure 3, when battery is damaged, the embodiment can be applied to following step：
The first step detects that the charge and discharge of mobile terminal are abnormal, start-up circuit defencive function.
Second step is inserted into adapter, can provide a least part without battery system, such as can be on interface
Prompt user " just in activated batteries "
Third walks, and indicates two sets of transmission channels (anode and cathode), all disconnects, duration 120S makes battery modules fill
Divide and disconnected with total system, into noiseless self-shield pattern.
4th step, negative electrode channel constant conduction, positive access disconnect after 120S is connected.
Whether the 5th step, detection battery modules state are normal.
6th step, if abnormal, the 4th step of repetition and the 5th step, 10 times.
Whether the 7th step, detection detection battery status are normal.If normal, activate successfully, interface prompt success, system is extensive
Multiple normal function.If abnormal, activation failure, interface prompt failure needs to repair.
Scene 2
Fig. 4 is a kind of guarantor of charging circuit based on charging unit supply voltage when unstable according to the ... of the embodiment of the present invention
The flow chart of maintaining method.As shown in figure 4, when charging unit supply voltage is unstable, high pressure high current impact risk, institute are brought
It states embodiment and can be applied to following step：
The first step starts the detection to charging circuit when detecting that charging unit starts power supply.
Second step indicates two sets of transmission channels (anode and cathode), all disconnects, keeps battery modules fully disconnected with total system
It opens, into actively disconnecting protected mode.
Third walks, and there is adapter at this time, can provide a least part without battery system, such as can be on boundary
User is prompted on face, and " adapter is illegal, and system will enter protection, it is proposed that extract adapter ".
4th step, continues to monitor whether transmission path restores normal.Such as user never extracts adapter, or
User reinserts adapter.
5th step repeats second step, third step and the 4th step if it is abnormal to monitor that transmission path remains unchanged.
Whether the 6th step, monitoring power transfer path are normal.
If normal, system actively disconnects protected mode and can exit, and system restores normal, and interface prompt risk releases.
If abnormal, system actively disconnects protected mode, and interface continues to prompt risk.
Through the above steps, solving present in the relevant technologies when battery charges that there are safeties and validity can not
The problem of being protected, while validity when battery charging and safety can also be effectively improved, it ensure that user uses
When experience.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but it is very much
In the case of the former be more preferably embodiment.Based on this understanding, technical scheme of the present invention is substantially in other words to existing
The part that technology contributes can be expressed in the form of software products, which is stored in a storage
In medium (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal equipment (can be mobile phone, calculate
Machine, server or network equipment etc.) execute method described in each embodiment of the present invention.
Embodiment 2
Additionally provide a kind of protective device of charging circuit in the present embodiment, the device for realizing above-described embodiment and
Preferred embodiment had carried out repeating no more for explanation.As used below, predetermined work(may be implemented in term " module "
The combination of the software and/or hardware of energy.It is hard although device described in following embodiment is preferably realized with software
The realization of the combination of part or software and hardware is also that may and be contemplated.
Fig. 5 is a kind of structure chart of the protective device of charging circuit according to the ... of the embodiment of the present invention, as shown in figure 5, the dress
Set including：Detection module 52 and control module 54.
Fig. 6 is the structure chart of the protective device of another charging circuit according to the ... of the embodiment of the present invention, as shown in fig. 6, should
In addition to including all modules shown in fig. 5, detection module 52 further includes device：Processing unit 62, comparing unit 64 and determination
Unit 66.
Processing unit 62, for being amplified to the signal via the transmission channel and analog to digital conversion, and/or,
The signal via the battery modules is amplified and analog to digital conversion；
Comparing unit 64, for being amplified described and the signal of the transmission channel after analog to digital conversion and the first predetermined threshold
Value is compared, and obtains the first comparison result；And/or it is described be amplified with the signal of the battery modules after analog to digital conversion with
Second predetermined threshold is compared, and obtains the second comparison result；
Determination unit 66, for being more than first predetermined threshold and/or described second in first comparison result
When comparison result is more than second predetermined threshold, determine that the transmission channel is abnormal and/or the battery modules are sent out
It is raw abnormal.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong
Following manner realization is crossed, but not limited to this：Above-mentioned module is respectively positioned in same processor；Alternatively, above-mentioned modules are with arbitrary
The form of combination is located in different processors.
Embodiment 3
A kind of charge protector is additionally provided in the present embodiment, and the device is real for realizing above-described embodiment and preferably
Mode is applied, repeating no more for explanation had been carried out.
Fig. 7 is a kind of structure chart of charge protector according to the ... of the embodiment of the present invention, as shown in fig. 7, the device includes：
Charging unit 72, battery modules 74 and charge protector 76.
Charging unit 72, for being powered for the battery modules 74；
Battery modules 74, for charging via the charge protector 76；
Charge protector 76 is for detecting the transmission channel between the charging unit 72 and the battery modules 74
It is no to be abnormal and/or whether the battery modules 74 are abnormal；According to for the transmission channel testing result and/or
The testing result of the battery modules 74 controls the conducting state of the transmission channel.
Specifically, which includes positive transmission channel and cathode transmission channel.Simultaneously
Fig. 8 is the structure chart of another charge protector according to the ... of the embodiment of the present invention, as shown in figure 8, the charger
Protection circuit 76 further includes：First signal processor 82, comparison means 84 and second signal processor 86.
First signal processor 82, for being amplified to the signal via the transmission channel and analog to digital conversion,
And/or the signal via the battery modules is amplified and analog to digital conversion；
Specifically, the amplifier in the first signal processor 82 is used for the signal to the transmission channel and the battery
The signal of module is amplified.ADC analog-digital converters are used for the signal to the amplified transmission channel and the battery
The signal of module carries out analog to digital conversion.
Comparison means 84, for being amplified described and the signal of the transmission channel after analog to digital conversion and the first predetermined threshold
Value is compared, and obtains the first comparison result；And/or it is described be amplified with the signal of the battery modules after analog to digital conversion with
Second predetermined threshold is compared, and obtains the second comparison result.
It should be pointed out that comparison means can be the comparator etc. in comparison circuit, such as digital circuit, but it is not limited to
This.
Second signal processor 86 is used in first comparison result as more than first predetermined threshold and/or institute
When to state the second comparison result be more than second predetermined threshold, determine that the transmission channel is abnormal and/or the battery
Module is abnormal.
Embodiment 4
The embodiments of the present invention also provide a kind of storage mediums.Optionally, in the present embodiment, above-mentioned storage medium can
To be arranged to store the program code for executing following steps：
S1, whether the transmission channel between detection charging unit and battery modules is abnormal and/or the battery modules
Whether it is abnormal；
S2, according to the control of the testing result of testing result and/or the battery modules for the transmission channel
The conducting state of transmission channel.
Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to：USB flash disk, read-only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or
The various media that can store program code such as CD.
Optionally, the specific example in the present embodiment can refer to described in above-described embodiment and optional embodiment
Example, details are not described herein for the present embodiment.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be with different from shown in sequence execution herein
The step of going out or describing, either they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (13)
1. a kind of guard method of charging circuit, which is characterized in that including：
Whether the transmission channel between detection charging unit and battery modules is abnormal and/or whether the battery modules occur
It is abnormal；
The transmission channel is controlled according to the testing result of testing result and/or the battery modules for the transmission channel
Conducting state.
2. according to the method described in claim 1, whether being abnormal and/or institute it is characterized in that, detecting the transmission channel
State battery modules whether be abnormal including：
Signal via the transmission channel is amplified and analog to digital conversion, and/or, to the signal via the battery modules
It is amplified and analog to digital conversion；
Described be amplified is compared with the signal of the transmission channel after analog to digital conversion with the first predetermined threshold, obtains first
Comparison result；And/or described be amplified is compared with the signal of the battery modules after analog to digital conversion and the second predetermined threshold
Compared with obtaining the second comparison result；
In first comparison result be more than first predetermined threshold and/or second comparison result it is more than described the
When two predetermined thresholds, determine that the transmission channel is abnormal and/or the battery modules are abnormal.
3. according to the method described in claim 1, it is characterized in that, the transmission channel includes：Positive transmission channel and negative
Pole transmission channel, wherein the anode transmission channel is the positive between the anode of the battery modules of the charging unit
Transmission channel, the cathode transmission channel be the charging unit cathode and the cathode of the battery modules between transmission
Access.
4. according to the method described in claim 3, it is characterized in that, the conducting state for controlling the transmission channel includes：Conducting
Or interrupt the positive transmission channel；Be connected or interrupt the cathode transmission channel.
5. according to the method described in claim 1, it is characterized in that, when detecting the transmission channel and/or the battery mould
When group is abnormal, institute is controlled according to the testing result of testing result and/or the battery modules for the transmission channel
After the conducting state for stating transmission channel, the method further includes：
After the predetermined time, whether charge protector continues to detect the transmission channel and is abnormal and/or the battery mould
Whether group is abnormal.
6. according to the method described in claim 5, it is characterized in that, in the number for detecting that the battery modules are abnormal
And/or the number that is abnormal of the transmission channel determines that the charging circuit is damaged when being more than predetermined threshold.
7. a kind of protective device of charging circuit, be located at it is characterised in that it includes：
Whether detection module is abnormal and/or the electricity for detecting the transmission channel between charging unit and battery modules
Whether pond module is abnormal；
Control module, for the testing result control according to testing result and/or the battery modules for the transmission channel
Make the conducting state of the transmission channel.
8. device according to claim 7, which is characterized in that the detection module further includes：
Processing unit, for being amplified to the signal via the transmission channel and analog to digital conversion, and/or, to described
It is amplified via the signal of the battery modules and analog to digital conversion；
Comparing unit, for being amplified described and the signal of the transmission channel after analog to digital conversion and the progress of the first predetermined threshold
Compare, obtains the first comparison result；And/or it is described be amplified it is pre- with the signal of the battery modules after analog to digital conversion and second
Determine threshold value to be compared, obtains the second comparison result；
Determination unit, for being to compare knot more than first predetermined threshold and/or described second in first comparison result
When fruit is more than second predetermined threshold, determine that the transmission channel is abnormal and/or the battery modules are abnormal.
9. device according to claim 7, which is characterized in that the detection module was additionally operable to after the predetermined time, charging
Protection circuit continues to detect whether the transmission channel is abnormal and/or whether the battery modules are abnormal.
10. device according to claim 7, which is characterized in that the control module is additionally operable to：Be connected or interrupt it is described just
Pole transmission channel；Be connected or interrupt the cathode transmission channel.
11. a kind of charge protector, which is characterized in that including：Charging unit, battery modules, charge protector, wherein
The charging unit, for being that the battery modules are powered via the charge protector；
The charge protector, between charging unit and battery modules, for detecting the charging unit and the electricity
Whether the transmission channel between the module of pond is abnormal and/or whether the battery modules are abnormal；And according to for institute
The testing result of the testing result and/or the battery modules of stating transmission channel controls the conducting state of the transmission channel.
12. charge protector according to claim 11, which is characterized in that the charge protector includes：
First signal processing circuit, for being amplified to the signal via the transmission channel and analog to digital conversion, and/
Or, being amplified to the signal via the battery modules and analog to digital conversion；
Comparison means, for being amplified described and the signal of the transmission channel after analog to digital conversion and the progress of the first predetermined threshold
Compare, obtains the first comparison result；And/or it is described be amplified it is pre- with the signal of the battery modules after analog to digital conversion and second
Determine threshold value to be compared, obtains the second comparison result；
Second signal processor, for being more than first predetermined threshold and/or described second in first comparison result
When comparison result is more than second predetermined threshold, determine that the transmission channel is abnormal and/or the battery modules are sent out
It is raw abnormal.
13. a kind of mobile terminal, which is characterized in that including the charge protector described in claim 11 or claim 12.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710039476.XA CN108336771A (en) | 2017-01-19 | 2017-01-19 | The guard method and device of charging circuit, charge protector and mobile terminal |
| PCT/CN2018/072311 WO2018133726A1 (en) | 2017-01-19 | 2018-01-12 | Charging circuit protection method, device, protection circuit, and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710039476.XA CN108336771A (en) | 2017-01-19 | 2017-01-19 | The guard method and device of charging circuit, charge protector and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108336771A true CN108336771A (en) | 2018-07-27 |
Family
ID=62907737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710039476.XA Withdrawn CN108336771A (en) | 2017-01-19 | 2017-01-19 | The guard method and device of charging circuit, charge protector and mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108336771A (en) |
| WO (1) | WO2018133726A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212423A (en) * | 2018-11-13 | 2019-01-15 | 上海艾为电子技术股份有限公司 | Battery full charge testing circuit and its detection battery be full of method, electronic device |
| CN110065401A (en) * | 2019-04-22 | 2019-07-30 | 湖州师范学院 | A kind of new-energy automobile quick charge cascade electric power system and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4297452B2 (en) * | 2007-12-27 | 2009-07-15 | 株式会社リコー | Charge / discharge protection circuit |
| JP2009195081A (en) * | 2008-02-18 | 2009-08-27 | Panasonic Corp | Charging control circuit, charger device equipped with circuit, and battery pack |
| CN103181054B (en) * | 2012-08-07 | 2015-11-25 | 华为终端有限公司 | For device, method and the subscriber equipment of powering |
| JP5781494B2 (en) * | 2012-12-21 | 2015-09-24 | 株式会社日立製作所 | Information equipment and battery charging circuit |
| EP3101771B1 (en) * | 2014-01-28 | 2019-03-06 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Power adapter, terminal, and method for processing exception of charging loop |
-
2017
- 2017-01-19 CN CN201710039476.XA patent/CN108336771A/en not_active Withdrawn
-
2018
- 2018-01-12 WO PCT/CN2018/072311 patent/WO2018133726A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212423A (en) * | 2018-11-13 | 2019-01-15 | 上海艾为电子技术股份有限公司 | Battery full charge testing circuit and its detection battery be full of method, electronic device |
| CN109212423B (en) * | 2018-11-13 | 2024-03-01 | 上海艾为电子技术股份有限公司 | Battery full detection circuit, method for detecting battery full and electronic device |
| CN110065401A (en) * | 2019-04-22 | 2019-07-30 | 湖州师范学院 | A kind of new-energy automobile quick charge cascade electric power system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018133726A1 (en) | 2018-07-26 |
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