CN107546969A - Overload protection method, apparatus and system - Google Patents
Overload protection method, apparatus and system Download PDFInfo
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- CN107546969A CN107546969A CN201610467036.XA CN201610467036A CN107546969A CN 107546969 A CN107546969 A CN 107546969A CN 201610467036 A CN201610467036 A CN 201610467036A CN 107546969 A CN107546969 A CN 107546969A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
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Abstract
The invention provides a kind of overload protection method, apparatus and system, this method includes：Detect that terminal works instantaneously reduce in the signal intensity that time slot burst mode and/or terminal receive；Current compensation is carried out to terminal system by the overload protection control circuit for carrying out current compensation.By the invention it is possible to solve in correlation technique terminal works in time slot burst mode, the problem of causing terminal power down, the reliability and security of terminal operating are improved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of overload protection method, apparatus and system.
Background technology
When terminal works in some special screnes (for example, in time slot burst mode), 3A operating current is instantaneously needed,
Because the power supply capacity of the interface of terminal only has 500mA, such interface can then reduce the electricity for being input to terminal for autoprotection
Press (for example, terminal is connected by USB interface with power-supply device), when the voltage for being input to terminal is reduced to the normal work of terminal
Under voltage, terminal will power down, cause terminal to restart suspension, have a strong impact on user use.
The content of the invention
The embodiments of the invention provide a kind of overload protection method, apparatus and system, at least to solve in correlation technique eventually
End is when being operated in time slot burst mode, the problem of causing terminal power down.
According to one embodiment of present invention, there is provided a kind of overload protection method, including：Detect terminal works when
The signal intensity that gap burst mode and/or the terminal receive instantaneously reduces；Protected by the overload for carrying out current compensation
Protect control circuit and current compensation is carried out to the terminal system.
Alternatively, the signal that the terminal works receive in the time slot burst mode and/or the terminal is detected
Intensity, which instantaneously reduces, to be included：Detect that the system voltage of terminal is less than the first predetermined threshold, and/or, detect the terminal
System power is higher than the second predetermined threshold.
Alternatively, by system is carried out for carrying out the overload protection control circuit of current compensation current compensation it
Afterwards, in addition to：Detect that system voltage is higher than first predetermined threshold, or, detect that system power is less than described second
Predetermined threshold；Current-limiting charge is carried out to system by the overload protection control circuit.
Alternatively, in addition to：Detect the overload protection control circuit failure；By the failure report of user interface
UI。
Alternatively, the time slot burst mode includes：TDD time slot burst mode, during global mobile communication GSM
Gap burst mode.
According to another embodiment of the invention, there is provided a kind of overload protection arrangement, including：First detection module, use
In detecting that terminal works instantaneously reduce in the signal intensity that time slot burst mode and/or the terminal receive；Compensating module,
For carrying out current compensation to the terminal system by the overload protection control circuit for carrying out current compensation.
Alternatively, the first detection module includes：First detection unit, for detecting that the system voltage of terminal is less than
First predetermined threshold；Second detection unit, for detecting that the system power of the terminal is higher than the second predetermined threshold.
Alternatively, in addition to：Second detection module, for detecting that system voltage is higher than first predetermined threshold, or
Person, detect that system power is less than second predetermined threshold；Charging module, for passing through the overload protection control circuit pair
System carries out current-limiting charge.
Alternatively, in addition to：3rd detection module, for detecting the overload protection control circuit failure；Report mould
Block, for by the failure report of user interface UI.
According to still another embodiment of the invention, there is provided a kind of overload protective device, including：First USB interface, is used for
Input voltage is received, and the input voltage is sent to first voltage change-over circuit；The first voltage change-over circuit, is used for
The input voltage is transformed into predetermined voltage, and the predetermined voltage is sent to the first overload protection control circuit, for institute
State the power supply of the first overload protection control circuit；The first overload protection control circuit, the system power detected for basis,
Terminal works are determined in the case where the signal intensity that time slot burst mode and/or the terminal receive instantaneously reduces, to electricity
Source control chip sends voltage signal；The power management chip, for being sampled to the voltage signal, and by after sampling
Voltage signal be sent to main control chip；The main control chip, after the voltage signal after the sampling is received, control
The overload protection control circuit carries out current compensation to the terminal system.
According to still another embodiment of the invention, there is provided a kind of overload protective device, including：Secondary USB interface, it is used for
Input voltage is received, and the input voltage is sent to second voltage change-over circuit；The second voltage change-over circuit, is used for
The input voltage is transformed into predetermined voltage, and the predetermined voltage is sent to the second overload protection control circuit；It is described
Second overload protection control circuit, for according to the predetermined voltage received, determining terminal works in time slot burst mode
And/or in the case that the signal intensity that receives of the terminal instantaneously reduces, current compensation is carried out to the terminal system.
According to still another embodiment of the invention, a kind of storage medium is additionally provided.The storage medium is arranged to storage and used
In the program code for performing following steps：Detect the letter that terminal works receive in time slot burst mode and/or the terminal
Number intensity instantaneously reduces；Electric current benefit is carried out to the terminal system by the overload protection control circuit for carrying out current compensation
Repay.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：Detect the terminal
It is operated in the time slot burst mode and/or signal intensity that the terminal receives instantaneously is reduced and included：Detect terminal
System voltage is less than the first predetermined threshold, and/or, detect that the system power of the terminal is higher than the second predetermined threshold.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：By for carry out
After the overload protection control circuit of current compensation carries out current compensation to system, in addition to：Detect that system voltage is higher than institute
The first predetermined threshold is stated, or, detect that system power is less than second predetermined threshold；Electricity is controlled by the overload protection
Road carries out current-limiting charge to system.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：Also include：Detect institute
State overload protection control circuit failure；By the failure report of user interface UI.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：The time slot burst work
Operation mode includes：TDD mode gap burst mode of operation, global mobile communication GSM mode time slot burst Working mould
Formula.
By the present invention, the signal intensity that terminal works receive in time slot burst mode and/or the terminal is detected
It is instantaneous to reduce；Current compensation is carried out to terminal system by the overload protection control circuit for carrying out current compensation.Due to increasing
Overload protection control circuit is added so that detecting that terminal works in the case of time slot burst mode, pass through increased mistake
Carry protection control circuit and current compensation is carried out to terminal system, normal working voltage will not be reduced to by ensureing the system voltage of terminal
Under, it is ensured that terminal normal work.Therefore, can solve terminal works in correlation technique, in time slot burst mode, causes end
The problem of making a clean sweep of electricity, improve the reliability and security of terminal operating.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of hardware block diagram of the mobile terminal of overload protection method of the embodiment of the present invention；
Fig. 2 is the flow chart of overload protection method according to embodiments of the present invention；
Fig. 3 is the preferred circuit figure one of overload protection control circuit according to embodiments of the present invention；
Fig. 4 is the preferred circuit figure two of overload protection control circuit according to embodiments of the present invention；
Fig. 5 is the structured flowchart of overload protection arrangement according to embodiments of the present invention；
Fig. 6 is the structured flowchart of first detection module 52 in overload protection arrangement according to embodiments of the present invention；
Fig. 7 is the preferred structure block diagram one of overload protection arrangement device according to embodiments of the present invention；
Fig. 8 is the preferred structure block diagram two of overload protection arrangement device according to embodiments of the present invention；
Fig. 9 is the schematic diagram one of overload protective device according to embodiments of the present invention；
Figure 10 is the schematic diagram two of overload protective device according to embodiments of the present invention.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.
Embodiment 1
The principle of the embodiment of the present invention is the signal intensity received when terminal works in time slot burst mode and/or terminal
During instantaneous reduction, terminal needs high current to be operated, and passes through overload protection control circuit and carries out current compensation, the system of terminal
Voltage will not be dropped to below terminal normal working voltage, and terminal works can be avoided to restart in time slot burst mode, broken
Net, the problems such as blank screen.
The embodiment of the method that the embodiment of the present application 1 is provided can be in mobile terminal, terminal or similar fortune
Calculate and performed in device.Exemplified by running on mobile terminals, Fig. 1 is a kind of movement of overload protection method of the embodiment of the present invention
The hardware block diagram of terminal.Handled as shown in figure 1, mobile terminal 10 can include one or more (one is only shown in figure)
Device 102 (processor 102 can include but is not limited to Micro-processor MCV or PLD FPGA etc. processing unit),
Memory 104 for data storage and the transmitting device 106 for communication function.Those of ordinary skill in the art can be with
Understand, the structure shown in Fig. 1 is only to illustrate, and it does not cause to limit to the structure of above-mentioned electronic installation.For example, mobile terminal 10
It may also include more either less components than shown in Fig. 1 or there is the configuration different from shown in Fig. 1.
Memory 104 can be used for the software program and module of storage application software, such as the overload in the embodiment of the present invention
Programmed instruction/module corresponding to guard method, processor 102 by operation be stored in software program in memory 104 and
Module, so as to perform various function application and data processing, that is, realize above-mentioned method.Memory 104 may include at a high speed with
Machine memory, may also include nonvolatile memory, as one or more magnetic storage device, flash memory or other it is non-easily
The property lost solid-state memory.In some instances, memory 104 can further comprise depositing relative to processor 102 is remotely located
Reservoir, these remote memories can pass through network connection to mobile terminal 10.The example of above-mentioned network is including but not limited to mutual
Networking, intranet, LAN, mobile radio communication and combinations thereof.
Transmitting device 106 is used to data are received or sent via a network.Above-mentioned network instantiation may include
The wireless network that the communication providerses of mobile terminal 10 provide.In an example, transmitting device 106 includes a Network adaptation
Device (Network Interface Controller, NIC), its can be connected by base station with other network equipments so as to it is mutual
Networking is communicated.In an example, transmitting device 106 can be radio frequency (Radio Frequency, RF) module, and it is used
In wirelessly being communicated with internet.
A kind of overload protection method for running on above-mentioned mobile terminal is provided in the present embodiment, and Fig. 2 is according to this hair
The flow chart of the overload protection method of bright embodiment, as shown in Fig. 2 the flow comprises the following steps：
Step S202, detect the signal intensity wink that terminal works receive in time slot burst mode and/or the terminal
When reduce；
Step S204, electric current benefit is carried out to terminal system by the overload protection control circuit for carrying out current compensation
Repay.
By above-mentioned steps, overload protection control circuit is added so that detecting terminal works in time slot burst mould
In the case of formula, current compensation is carried out to terminal system by increased overload protection control circuit, ensures the system electricity of terminal
Pressure will not be reduced under normal working voltage, it is ensured that terminal normal work.Therefore, terminal works in correlation technique can be solved
In time slot burst mode, the problem of causing terminal power down, the reliability and security of terminal operating are improved.
Alternatively, the above-mentioned signal intensity for detecting terminal works and being received in time slot burst mode and/or the terminal
Instantaneous reduce can be accomplished in several ways, for example, can be less than the first predetermined threshold by detecting the system voltage of terminal
Value, and/or, detect that the system power of terminal is higher than the second predetermined threshold.It should be noted that by detecting system voltage or
Person's system power determines terminal works in the preferred embodiment that time slot burst mode is only the embodiment of the present invention, but be not restricted to that
This.
Alternatively, by system is carried out for carrying out the overload protection control circuit of current compensation current compensation it
Afterwards, in addition to：Detect that system voltage is higher than the first predetermined threshold, or, detect that system power is less than the second predetermined threshold；
Current-limiting charge is carried out to system by overload protection control circuit.Pass through above-mentioned steps so that in the wink of terminal insertion USB port
When, overload protection control circuit will not carry out infinitely great current compensation to terminal system, solve overload protection control circuit
Compensation overload, the system voltage of caused terminal are reduced under normal working voltage, terminal can not normal work the problem of.
Alternatively, in terminal works engineering, failure can be reported after overload protection control circuit failure is detected
User interface (User Interface, referred to as UI).For example, main control chip can monitor overload protection control circuit in real time
State, if abnormal (for example, can not normal work) occurs in overload protection control circuit state, main control chip is then on UI interfaces
Display is abnormal, reminds user's overload protection control circuit state to occur abnormal, and terminal needs to check or repaired.Pass through above-mentioned step
Suddenly, it can be ensured that after overload protection control circuit breaks down, overload protection control circuit is checked or repaired in time.
Alternatively, time slot burst mode can include：Time division duplex (Time Division Duplex, referred to as TDD)
Time slot burst mode, during global mobile communication (Global System for Mobile Communication, referred to as GSM)
Gap burst mode, but be not restricted to that this.
In order to facilitate understanding above-described embodiment, the embodiment of the present invention is to pass through the system voltage of detection terminal, detection terminal
The mode of system power determine that terminal works illustrate respectively exemplified by time slot burst mode.
Fig. 3 is the preferred circuit figure one of overload protection control circuit according to embodiments of the present invention, as shown in figure 3, to move
Dynamic terminal is connected to exemplified by computer by USB interface illustrates overload protection control circuit to terminal system progress current compensation
Process.
When mobile terminal inserts computer by USB port, 5V input voltages are converted to 3.6V, and this turn by voltage conversion circuit
The voltage 3.6V input overload protection control circuits changed, electric power is provided for overload protection control circuit.During terminal operating,
When overload protection control circuit detects that the system voltage of mobile terminal is more than the first pre-set threshold value (for example, 3.3V), i.e. system
Voltage now turns off PMOS VT5 in overload protection control circuit, terminal system is by voltage on terminal normal working voltage
Change-over circuit is powered, mobile terminal normal work.Meanwhile overload protection control circuit carries out current limliting to electric capacity (C344 and C345)
Charge (being charged for example, can limit with 300mA electric current to electric capacity), if without current-limiting charge, work as mobile terminal
Insert the moment of USB port, the charging current to electric capacity is infinitely great, and the 5V voltages so inputted will be reduced to very low, lead
Cause mobile terminal be able to not can work.When being converted to TDD in the mobile terminal course of work, it is necessary to about during GSM time slot burst modes
140us high currents mobile terminal just can be with normal work, and at this moment the system voltage of terminal can drop to below 3.3V, now, overload
Protection control circuit detects that system voltage is more than pre-set threshold value, and overload protection control circuit can then control conducting VT5, pass through electricity
Hold the high current needed for compensation system.When system voltage returns to more than 3.3V, overload protection control circuit then controls shut-off
VT5, system continues to be powered by voltage conversion circuit, while carries out current-limiting charge to electric capacity in overload protection control circuit meeting.Separately
Outside, during terminal works, if main control chip detects overload protecting circuit and abnormal cisco unity malfunction occurs, on report
UI interfaces, notifying user equipment need to check or repaired.
Fig. 4 is the preferred circuit figure two of overload protection control circuit according to embodiments of the present invention, as shown in figure 4, to move
Dynamic terminal is connected to exemplified by computer by USB interface illustrates overload protection control circuit to terminal system progress current compensation
Process.
When inserting computer by USB port when mobile terminal, 5V input voltages are converted to 3.6V by voltage conversion circuit, and should
The voltage 3.6V input overload protection control circuits of conversion, electric power is provided for overload protection control circuit.In terminal operating process
In, voltage detecting amplifier D16 and 30 milliohm resistance form a current detecting unit, electric current inspection in overload protection control circuit
Survey unit and output OUT is issued into power management chip, power management chip carries out AD sampling digitizings to the current value received and obtained
System real-time current value is obtained, and issues main control chip.When being converted to TDD, GSM time slot burst modes in the mobile terminal course of work
When, when signal intensity weakens suddenly, the system power for detecting terminal in overload protection control circuit is more than pre-set threshold value
Afterwards, main control chip controls VT5 conductings by the voltage signal CTL received, and electricity is carried out to system by electric capacity (C344, C355)
Stream compensation；Be less than pre-set threshold value in overload protection control circuit system power, main control chip control VT5 shut-offs, simultaneity factor after
It is continuous to be powered by voltage conversion circuit, and current-limiting charge is carried out to electric capacity in overload protection control circuit meeting.
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 a lot
In the case of the former be more preferably embodiment.Based on such understanding, technical scheme is substantially in other words to existing
The part that technology contributes can be embodied in the form of software product, and the computer software product is stored in a storage
In medium (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone, calculate
Machine, server, or network equipment etc.) perform method described in each embodiment of the present invention.
Embodiment 2
Additionally provide a kind of overload protection arrangement and system in the present embodiment, the device be used for realize above-described embodiment and
Preferred embodiment, repeating no more for explanation was carried out.As used below, term " module " can realize predetermined work(
The combination of the software and/or hardware of energy.Although device described by following examples is preferably realized with software, firmly
Part, or the realization of the combination of software and hardware is also what may and be contemplated.
Fig. 5 is the structured flowchart of overload protection arrangement according to embodiments of the present invention, as shown in figure 5, the device includes：
First detection module 52, received in time slot burst mode and/or the terminal for detecting terminal works
Signal intensity instantaneously reduces；
Compensating module 54, above-mentioned first detection module 52 is connected to, for being protected by the overload for carrying out current compensation
Protect control circuit and current compensation is carried out to terminal system.
Fig. 6 is the structured flowchart of first detection module 52 in overload protection arrangement according to embodiments of the present invention, such as Fig. 6 institutes
Show, the first detection module 52 includes：First detection unit 62 and the second detection unit 64, are illustrated separately below.
First detection unit 62, for detecting that the system voltage of terminal is less than the first predetermined threshold；
Second detection unit 64, above-mentioned first detection unit 62 is connected to, for detecting that the system power of terminal is higher than
Second predetermined threshold.
Fig. 7 is the preferred structure block diagram one of overload protection arrangement device according to embodiments of the present invention, as shown in fig. 7, should
Device in addition to including all modules shown in Fig. 5, in addition to：
Second detection module 72, above-mentioned compensating module 54 is connected to, for detecting that system voltage is higher than the first predetermined threshold
Value, or, detect that system power is less than the second predetermined threshold；
Charging module 74, above-mentioned second detection module 72 is connected to, for entering by overload protection control circuit to system
Row current-limiting charge.
Fig. 8 is the preferred structure block diagram two of overload protection arrangement device according to embodiments of the present invention, as shown in figure 8, should
Device in addition to including all modules shown in Fig. 5 or Fig. 7, in addition to：
3rd detection module 82, for detecting overload protection control circuit failure；
Reporting module 84, above-mentioned 3rd detection module 82 is connected to, for by failure report of user interface UI.
A kind of overload protective device is additionally provided in the present embodiment, and Fig. 9 is overload protection according to embodiments of the present invention
The schematic diagram one of system, as shown in figure 9, the system also includes：
First USB interface 92, first voltage change-over circuit is sent to for receiving input voltage, and by input voltage；
First voltage change-over circuit 94, above-mentioned first USB interface 92 is connected to, for input voltage to be transformed into predetermined electricity
Pressure, and predetermined voltage is sent to the first overload protection control circuit, powered for the first overload protection control circuit；
First overload protection control circuit 96, above-mentioned first voltage change-over circuit 94 is connected to, is detected for basis
System power, determine the feelings that terminal works instantaneously reduce in the signal intensity that time slot burst mode and/or the terminal receive
Under condition, voltage signal is sent to power management chip；
Power management chip 98, the first overload protection control circuit 96 is connected to, for being sampled to voltage signal, and
Voltage signal after sampling is sent to main control chip；
Main control chip 910, above-mentioned first overload protection control circuit 96 and power management chip 98 are connected to, for connecing
After receiving the voltage signal after sampling, control overload protection control circuit carries out current compensation to terminal system.
Figure 10 is the schematic diagram two of overload protective device according to embodiments of the present invention, and the system also includes：
Secondary USB interface 102, second voltage change-over circuit is sent to for receiving input voltage, and by input voltage；
Second voltage change-over circuit 104, above-mentioned secondary USB interface 102 is connected to, it is predetermined for input voltage to be transformed into
Voltage, and predetermined voltage is sent to the second overload protection control circuit, powered for the second overload protection control circuit；
Second overload protection control circuit 106, above-mentioned second voltage change-over circuit 104 is connected to, is additionally operable to according to reception
The predetermined voltage that arrives and/or, determine terminal works in the case of time slot burst mode, voltage letter sent to power management chip
Number.
In order to facilitate above-described embodiment is understood, the embodiment of the present invention includes overload protection control circuit with as shown in Figure 9
96, power management chip 98, main control chip 910, the operation exemplified by the system of voltage conversion circuit 94 and USB interface 92 to system
Illustrate.Main control chip in the system, power management chip, overload protection control circuit, voltage conversion circuit form one
Backfeed loop.When the system is operating, system turns USB interface input power by USB interface input power, voltage conversion voltage
The power supply that the system of being changed to can use.Overload protection control circuit charges to capacitance current-limiting all the way simultaneously, all the way detecting system electricity
Pressure or system power, system power supply is turned off according to set threshold values and opens compensation.When overload protection control circuit detects
When system voltage is more than pre-set threshold value, voltage conversion circuit carries out current limliting and filled to system power supply and logical overload protection control circuit
Electricity；When overload protection control circuit detecting system voltage is less than pre-set threshold value, overload protection control circuit is powered to system
Compensation, avoid USB interface electricity shortage in the case of system overload, cause system voltage to drop to below pre-set threshold value, system without
Method normal operation.Just whether main control chip monitors the state of overload protection control circuit in real time, determine overload protection control circuit
Whether often control goes wrong, if exception occurs in overload protection control circuit, main control chip can show different on UI interfaces
Often, user is reminded, equipment needs to check or repaired.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong
Cross in the following manner realization, but not limited to this：Above-mentioned module is respectively positioned in same processor；Or above-mentioned modules are with any
The form of combination is located in different processors respectively.
Embodiment 3
Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment, above-mentioned storage medium can
The program code for performing following steps to be arranged to storage to be used for：
S1, detect that terminal works instantaneously reduce in the signal intensity that time slot burst mode and/or the terminal receive；
S2, current compensation is carried out to terminal system by the overload protection control circuit for carrying out current compensation.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：Detect terminal work
The signal intensity for making to receive in time slot burst mode and/or the terminal, which instantaneously reduces, to be included：
S1, detect that the system voltage of terminal is less than the first predetermined threshold, and/or, detect that the system power of terminal is high
In the second predetermined threshold.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：By for entering
After the overload protection control circuit of row current compensation carries out current compensation to system, in addition to：
S1, detect that system voltage is higher than the first predetermined threshold, or, detect that system power is less than the second predetermined threshold
Value；
S2, current-limiting charge is carried out to system by overload protection control circuit.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：
S1, detect overload protection control circuit failure；
S2, by failure report of user interface UI.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：
S1, time slot burst mode of operation include：TDD time slot burst mode of operation, during global mobile communication GSM
Gap burst mode of operation.
Alternatively, in the present embodiment, above-mentioned storage medium can include but is not limited to：USB flash disk, read-only storage (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or
CD etc. is various can be with the medium of store program codes.
Alternatively, in the present embodiment, processor performs according to the program code stored in storage medium：Detect end
The signal intensity that end is operated in time slot burst mode and/or the terminal receives instantaneously reduces；By for carrying out electric current benefit
The overload protection control circuit repaid carries out current compensation to terminal system.
Alternatively, in the present embodiment, processor performs according to the program code stored in storage medium：Detect end
The signal intensity that end is operated in time slot burst mode and/or the terminal receives, which instantaneously reduces, to be included：Detect terminal is
System voltage is less than the first predetermined threshold, and/or, detect that the system power of terminal is higher than the second predetermined threshold.
Alternatively, in the present embodiment, processor performs according to the program code stored in storage medium：By using
After the overload protection control circuit for carrying out current compensation carries out current compensation to system, in addition to：Detect system voltage
Higher than the first predetermined threshold, or, detect that system power is less than the second predetermined threshold；By overload protection control circuit to being
System carries out current-limiting charge.
Alternatively, in the present embodiment, processor performs according to the program code stored in storage medium：Detected
Carry protection control circuit failure；By failure report of user interface UI.
Alternatively, in the present embodiment, processor performs according to the program code stored in storage medium：Time slot happens suddenly
Mode of operation includes：TDD time slot burst mode of operation, global mobile communication GSM time slot burst mode of operation.
Alternatively, the specific example in the present embodiment may be referred to described in above-described embodiment and optional embodiment
Example, the present embodiment will not be repeated here.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed
Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to they are stored
Performed in the storage device by computing device, and in some cases, can be with different from shown in order execution herein
The step of going out or describing, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or
Step is fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software combination.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (11)
- A kind of 1. overload protection method, it is characterised in that including：Detect that terminal works instantaneously reduce in the signal intensity that time slot burst mode and/or the terminal receive；Current compensation is carried out to terminal system by the overload protection control circuit for carrying out current compensation.
- 2. according to the method for claim 1, it is characterised in that detect the terminal works in the time slot burst mode And/or instantaneous reduce of signal intensity that the terminal receives includes：Detect that the system voltage of terminal is less than the first predetermined threshold, and/or, detect the system power of the terminal higher than the Two predetermined thresholds.
- 3. according to the method for claim 2, it is characterised in that controlled by the overload protection for carrying out current compensation After circuit carries out current compensation to system, in addition to：Detect that system voltage is higher than first predetermined threshold, or, detect that system power is less than the described second predetermined threshold Value；Current-limiting charge is carried out to system by the overload protection control circuit.
- 4. according to the method for claim 1, it is characterised in that also include：Detect the overload protection control circuit failure；By the failure report of user interface UI.
- 5. method according to any one of claim 1 to 4, it is characterised in that the time slot burst mode includes：Time-division Duplexing TDD time slots burst mode, global mobile communication GSM time slot burst modes.
- A kind of 6. overload protection arrangement, it is characterised in that including：First detection module, for detecting that terminal works are strong in the signal that time slot burst mode and/or the terminal receive Degree is instantaneous to be reduced；Compensating module, for carrying out electric current benefit to terminal system by the overload protection control circuit for carrying out current compensation Repay.
- 7. device according to claim 6, it is characterised in that the first detection module includes：First detection unit, for detecting that the system voltage of terminal is less than the first predetermined threshold；Second detection unit, for detecting that the system power of the terminal is higher than the second predetermined threshold.
- 8. device according to claim 7, it is characterised in that also include：Second detection module, for detecting that system voltage is higher than first predetermined threshold, or, detect that system power is low In second predetermined threshold；Charging module, for carrying out current-limiting charge to system by the overload protection control circuit.
- 9. device according to claim 6, it is characterised in that also include：3rd detection module, for detecting the overload protection control circuit failure；Reporting module, for by the failure report of user interface UI.
- A kind of 10. overload protective device, it is characterised in that including：First USB interface, first voltage change-over circuit is sent to for receiving input voltage, and by the input voltage；The first voltage change-over circuit, for the input voltage to be transformed into predetermined voltage, and the predetermined voltage is sent out The first overload protection control circuit is given, is powered for the first overload protection control circuit；The first overload protection control circuit, for according to the system power detected, determining that terminal works happen suddenly in time slot In the case that the signal intensity that pattern and/or the terminal receive instantaneously reduces, voltage signal is sent to power management chip；The power management chip, for being sampled to the voltage signal, and the voltage signal after sampling is sent to master Control chip；The main control chip, after the voltage signal after the sampling is received, control the overload protection control circuit Current compensation is carried out to terminal system.
- A kind of 11. overload protective device, it is characterised in that including：Secondary USB interface, second voltage change-over circuit is sent to for receiving input voltage, and by the input voltage；The second voltage change-over circuit, for the input voltage to be transformed into predetermined voltage, and the predetermined voltage is sent out Give the second overload protection control circuit；The second overload protection control circuit, for according to the predetermined voltage received, determining terminal works in time slot In the case that the signal intensity that burst mode and/or the terminal receive instantaneously reduces, current compensation is carried out to terminal system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610467036.XA CN107546969A (en) | 2016-06-23 | 2016-06-23 | Overload protection method, apparatus and system |
| PCT/CN2017/072561 WO2017219675A1 (en) | 2016-06-23 | 2017-01-25 | Overload protection method, device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610467036.XA CN107546969A (en) | 2016-06-23 | 2016-06-23 | Overload protection method, apparatus and system |
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| Publication Number | Publication Date |
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| CN107546969A true CN107546969A (en) | 2018-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610467036.XA Pending CN107546969A (en) | 2016-06-23 | 2016-06-23 | Overload protection method, apparatus and system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107546969A (en) |
| WO (1) | WO2017219675A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108737932A (en) * | 2018-05-23 | 2018-11-02 | 努比亚技术有限公司 | Terminal anti-utter long and high-pitched sounds method, terminal and computer readable storage medium |
| CN109965997A (en) * | 2019-03-29 | 2019-07-05 | 上海智觅智能科技有限公司 | A kind of intelligent function and its detection algorithm of tooth flusher |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103825450A (en) * | 2012-11-19 | 2014-05-28 | 中兴通讯股份有限公司 | Time division multiple access load system USB interface power supply method and power supply apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201312130Y (en) * | 2008-09-03 | 2009-09-16 | 李家俊 | Charger with USB communication and expansion functions |
| EP2290794A1 (en) * | 2009-08-27 | 2011-03-02 | Option | Computer peripheral wireless communication device with reduced bulk capacitance |
| US8350522B2 (en) * | 2010-03-10 | 2013-01-08 | Apple Inc. | External power source voltage drop compensation for portable devices |
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2016
- 2016-06-23 CN CN201610467036.XA patent/CN107546969A/en active Pending
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2017
- 2017-01-25 WO PCT/CN2017/072561 patent/WO2017219675A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825450A (en) * | 2012-11-19 | 2014-05-28 | 中兴通讯股份有限公司 | Time division multiple access load system USB interface power supply method and power supply apparatus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108737932A (en) * | 2018-05-23 | 2018-11-02 | 努比亚技术有限公司 | Terminal anti-utter long and high-pitched sounds method, terminal and computer readable storage medium |
| CN108737932B (en) * | 2018-05-23 | 2021-03-26 | 努比亚技术有限公司 | Terminal squeaking prevention method, terminal and computer readable storage medium |
| CN109965997A (en) * | 2019-03-29 | 2019-07-05 | 上海智觅智能科技有限公司 | A kind of intelligent function and its detection algorithm of tooth flusher |
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| WO2017219675A1 (en) | 2017-12-28 |
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