CN109491486A - A kind of method of supplying power to and power supply circuit and electronic equipment switching output power - Google Patents

A kind of method of supplying power to and power supply circuit and electronic equipment switching output power Download PDF

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Publication number
CN109491486A
CN109491486A CN201811243788.3A CN201811243788A CN109491486A CN 109491486 A CN109491486 A CN 109491486A CN 201811243788 A CN201811243788 A CN 201811243788A CN 109491486 A CN109491486 A CN 109491486A
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China
Prior art keywords
power
power supply
supply unit
current system
default
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Granted
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CN201811243788.3A
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Chinese (zh)
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CN109491486B (en
Inventor
夏饮虹
徐小军
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Hefei Lianbao Information Technology Co Ltd
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Hefei Lianbao Information Technology Co Ltd
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Priority to CN201811243788.3A priority Critical patent/CN109491486B/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof

Abstract

This application provides a kind of power supply circuit and electronic equipment for switching output power, the power supply circuit dual power supplies for electronic equipment, comprising: control module, power collection module and the first power supply module;First power supply module, the power supply unit with multiple and different output powers, said supply unit are connect with control module signal respectively;Power collection module is connect with the control module signal, for acquiring current system operating power information and sending the current system operating power information to the control module;The control module for receiving current system operating power information, and controls the output power of said supply unit and the current system operating power matches.The application adapter includes multiple and different output power, the case where according to current system operating power, makes adapter using corresponding output power, avoids electric discharge for a long time and causes battery power shortage, to ensure that the good experience of user.

Description

A kind of method of supplying power to and power supply circuit and electronic equipment switching output power
Technical field
This application involves electronic circuit fields, and in particular to switches the method for supplying power to and power supply circuit and electronics of output power Equipment.
Background technique
Farsighted frequency acceleration technique is applied in one of central processing unit (abbreviation CPU) new technology.When computer is carrying out When multitasking, for example, carrying out editing photo simultaneously, sending Email, viewing video and play games, it can ensure all These tasks can smooth progress simultaneously.
The working principle of farsighted frequency acceleration technique is, and: CPU determines whether its current operating power, electric current and temperature have reached most High limit, if there is redundant space, the frequency of movable kernel can be gradually increased in CPU, to further increase the processing of current task Speed, when program only uses certain cores therein, other not used cores, farsighted frequency acceleration technique can be automatically closed in CPU It is automatic to realize without user intervention.
In the laptop with farsighted frequency acceleration technique, normal operating power is 135W.When laptop is transported When row multitasking, the frequency of movable kernel can be gradually increased in CPU, since the 135W adapter power of normal use is less than normal, In order to improve operating power, CPU controls battery output power simultaneously, can make battery deep discharge, battery is caused usually to charge not Foot influences user and experiences to the mobile application of laptop.
Summary of the invention
The application provides a kind of method of supplying power to for switching output power, and a kind of power supply circuit switching output power is a kind of Electronic equipment;To solve the problems, such as to lead to battery deep discharge because adapter power is less than normal in multitasking.
In order to solve the above-mentioned technical problem, the embodiment of the present application provides the following technical solution:
This application provides a kind of power supply circuit for switching output power, dual power supplies for electronic equipment, comprising: Control module, power collection module and the first power supply module;
First power supply module, with multiple and different output powers power supply unit, said supply unit respectively with control mould Block signal connection;
Power collection module is connect with the control module signal, for acquiring current system operating power information and inciting somebody to action The current system operating power information sends the control module to;
The control module for obtaining current system operating power information, and controls in first power supply module The power supply unit output power to match with the current system operating power.
Preferably, first power supply module, comprising: the first power supply unit and the second power supply unit;
First power supply unit is connect with the control module signal, for receiving the control signal of the control module simultaneously Export default first power;
Second power supply unit is connect with the control module signal, for receiving the control signal of the control module simultaneously Export default second power;Default second power is greater than default first power.
Further, the control module, for obtaining the current system operating power of the power collection module transmission Information;In first power supply unit work, judge whether the current system operating power information meets on predetermined power Tune condition;If so, output control signal, controls second power supply unit and exports default second power and stop described first Power supply unit exports default first power.
Further, the control module is also used to judge the current system when second power supply unit works Whether operating power information, which meets predetermined power, is lowered condition;If so, output control signal, controls first power supply unit It exports default first power and stops second power supply unit and export default second power.
Preferably, second power supply unit, further includes: temperature detection subelement is electrically connected with the control module, is used In when second power supply unit exports default second power, by the operational temperature information of second power supply unit of acquisition Send the control module to.
Further, the power supply circuit, further includes: the first link block connects first power supply module and control Module, for the output power of first power supply module to be sent to the system where the control module, and described in transmitting Control signal of the control module to first power supply module.
Further, first link block, specifically with the connecting wire of USB Type-C interface, the temperature The operational temperature information of second power supply unit of detection sub-unit acquisition is led by the connection of the USB Type-C interface Line sends the control module to.
Preferably, the control module, for obtaining the working time of second power supply unit and the work of current system Make temperature information;Judge whether the working time of second power supply unit is greater than preset operating time;If so, described in judgement Whether operational temperature information is greater than default operational temperature information;If so, output control signal, controls first power supply unit Default first power is exported, stops second power supply unit and exports default second power, and keep the work accommodation of system default First power.
This application provides a kind of electronic equipment, the electronic equipment includes equipment body and power supply electricity as described above Road.
The application provides a kind of method of supplying power to for switching output power, dual power supply for electronic equipment, comprising:
Step S101 obtains current system operating power information;
Step S102, according to the current system operating power information control the first power supply module in the current system The power supply unit output power that operating power matches;
Wherein, first power supply module, the power supply unit with multiple and different output powers.
Further, first power supply module, comprising: the first power supply unit and the second power supply unit, described second supplies The power of electric unit output is greater than the power of first power supply unit output.
Further, step S102, it is described to be controlled in the first power supply module according to the current system operating power information The power supply unit output power to match with the current system operating power, comprising:
Whether step S102-1 judges the current system operating power information in first power supply unit work Meet predetermined power up-regulation condition.
Step S102-2 exports control signal if the output result of step S102-1 is "Yes", controls described second and supplies Electric unit, which exports default second power and stops first power supply unit, exports default first power.
Further, step S102-2, it is described to judge whether the current system operating power information meets predetermined power Up-regulation condition, comprising:
Step S102-2-1, judges whether the current system operating power information is greater than default first power.
Preferably, step S102, it is described according to the current system operating power information control the first power supply module in The power supply unit output power that the current system operating power matches, further includes:
Whether step S102-3 judges the current system operating power information in second power supply unit work Meet predetermined power and lowers condition;
Step S102-4 exports control signal if the output result of step S102-3 is "Yes", controls described first and supplies Electric unit, which exports default first power and stops second power supply unit, exports default second power.
Further, step S102-3, it is described to judge whether the current system operating power information meets predetermined power Downward condition, comprising:
Step S102-3-1, judges whether the current system operating power information is less than or equal to default first power.
Preferably, after step S102, further includes:
Step S103a obtains the operating temperature letter of second power supply unit in second power supply unit work Breath;
Step S104a, judges whether the operational temperature information of second power supply unit meets default protective condition;
Step S105a exports control signal if the output result of step S104a is "Yes", controls first power supply Unit exports default first power, stops second power supply unit and exports default second power.
Preferably, after step S102, further includes:
Step S103b obtains working time and the work of second power supply unit in second power supply unit work Make temperature information;
It is pre- to judge whether the working time of second power supply unit and the operational temperature information meet by step S104b If protective condition;
Step S105b exports control signal if the output result of step S104b is "Yes", controls first power supply Unit exports default first power, stops second power supply unit and exports default second power.
Preferably, in step S103a (or step S103b), the operating temperature for obtaining second power supply unit Information, comprising:
Step S103a-1 (or step S103b-1) receives described the by the connecting wire of the USB Type-C interface The operational temperature information of two power supply units.
Further, in step S104a, whether the operational temperature information for judging second power supply unit Meet default protective condition, comprising:
Judge whether the operational temperature information is greater than default operational temperature information.
Preferably, step S104b, the working time of judgement second power supply unit and the operational temperature information Whether satisfaction presets protective condition, comprising:
Step S104b-1, judges whether the working time of second power supply unit is greater than preset operating time;
Whether step S104b-2 judges the operational temperature information if the output result of step S104b-1 is "Yes" Greater than default operational temperature information.
Disclosure based on the above embodiment can know, the embodiment of the present application have it is following the utility model has the advantages that
This application provides a kind of power supply circuit and electronic equipment for switching output power, the power supply circuit is used for electronics The dual power supply of equipment, comprising: control module, power collection module and the first power supply module;First power supply module has more The power supply unit of a different output power, said supply unit are connect with control module signal respectively;Power collection module, with institute The connection of control module signal is stated, for acquiring current system operating power information and passing the current system operating power information Give the control module;The control module for receiving current system operating power information, and controls said supply unit Output power match with the current system operating power.The application adapter includes multiple and different output powers, root The case where according to current system operating power, makes adapter using corresponding output power, avoids electric discharge for a long time and causes battery Power shortage, to ensure that the good experience of user.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of power supply circuit for switching output power provided by the embodiments of the present application;
Fig. 2 is a kind of flow chart of method of supplying power to for switching output power provided by the embodiments of the present application.
Specific embodiment
In the following, being described in detail in conjunction with specific embodiment of the attached drawing to the application, but not as the restriction of the application.
It should be understood that various modifications can be made to disclosed embodiments.Therefore, description above should not regard To limit, and only as the example of embodiment.Those skilled in the art will expect in the scope and spirit of the present application Other modifications.
The attached drawing being included in the description and forms part of the description shows embodiments herein, and with it is upper What face provided is used to explain the application together to substantially description and the detailed description given below to embodiment of the application Principle.
By the description of the preferred form with reference to the accompanying drawings to the embodiment for being given as non-limiting example, the application's These and other characteristic will become apparent.
It is also understood that although the application is described referring to some specific examples, those skilled in the art Member realizes many other equivalents of the application in which can determine, they have feature as claimed in claim and therefore all In the protection scope defined by whereby.
When read in conjunction with the accompanying drawings, in view of following detailed description, above and other aspect, the feature and advantage of the application will become It is more readily apparent.
The specific embodiment of the application is described hereinafter with reference to attached drawing;It will be appreciated, however, that the disclosed embodiments are only Various ways implementation can be used in the example of the application.Known and/or duplicate function and structure and be not described in detail to avoid Unnecessary or extra details makes the application smudgy.Therefore, specific structural and functionality disclosed herein is thin Section is not intended to restrictions, but as just the basis of claim and representative basis be used to instructing those skilled in the art with Substantially any appropriate detailed construction diversely uses the application.
This specification can be used phrase " in one embodiment ", " in another embodiment ", " in another embodiment In " or " in other embodiments ", it can be referred to one or more of the identical or different embodiment according to the application.
In the laptop with farsighted frequency acceleration technique, normal operating power is 135W (20V/6.75A).Work as pen When remembering that this computer runs multitasking, the frequency of movable kernel can be gradually increased in CPU, due to the 135W (20V/ of normal use 6.75A) adapter power is less than normal, and in order to improve operating power, CPU controls battery output power simultaneously, battery can be made sharply to put Electricity causes battery usually undercharge, influences user and experiences to the mobile application of laptop.
The application provides a kind of power supply circuit for switching output power;The application also provides a kind of electronic equipment;The application A kind of method of supplying power to switching output power is provided.It is described in detail one by one in the following embodiments.
To first embodiment provided by the present application, i.e., a kind of embodiment for the power supply circuit for switching output power.
The present embodiment is described in detail below with reference to Fig. 1, wherein Fig. 1 is that one kind provided by the embodiments of the present application is cut Change the schematic diagram of the power supply circuit of output power.
Present embodiments provide a kind of power supply circuit for switching output power, dual power supply for electronic equipment, packet It includes: control module, power collection module and the first power supply module.
The dual power supply of the electronic equipment, exactly in the case where needing to improve operating power, there are two types of not for tool With the power supply of power supply mode, it is transformed into two kinds of power supplys by single power supply power supply while is powered.For example, with farsighted frequency acceleration technique Laptop provides power supply by notebook adapter when normal use, for example, output power is 135W (20V/ 6.75A);When carrying out multitasking, the adapter and battery of laptop are powered simultaneously, improve the work of laptop The rate of doing work, for example, output power is 150W (15V/10A), so that the completion of smoothness is capable of in multitasking.
First power supply module, with multiple and different output powers power supply unit, said supply unit respectively with control mould Block signal connection.For example, the power supply adaptor of laptop possesses the power supply module of 135W simultaneously, the power supply module of 150W and The power supply module of 170W.
Power collection module is connect with the control module signal, for acquiring current system operating power information and inciting somebody to action The current system operating power information sends the control module to.
In the system of no farsighted frequency acceleration technique, the operating power of system is more constant, but is accelerating skill with farsighted frequency In the system of art, the task amount according to system operation is different, and system can adjust automatically operating power.Therefore, the power The groundwork of acquisition module is exactly to acquire current system operating power information.
The control module for obtaining current system operating power information, and controls in first power supply module The power supply unit output power to match with the current system operating power.
Control module can be CPU, be also possible to embedded controller (Embed Controller, abbreviation EC).
The control module controls the confession to match with the current system operating power in first power supply module Electric unit output power.For example, system occurs more when a power supply unit of adapter exports 135W (20V/6.75A) Business processing, then battery provides electric power, so that current system operating power is increased to 150W (15V/10A), at this point, the control module The current system operating power for receiving the power collection module acquisition, then stop the confession that output is 135W (20V/6.75A) Electric unit and battery power supply, open the power supply unit to match with the current system operating power, and exporting is 150W (15V/ 10A) power.
First power supply module, comprising: the first power supply unit and the second power supply unit.
First power supply unit is connect with the control module signal, for receiving the control signal of the control module simultaneously Export default first power.For example, default first power is 135W (20V/6.75A).
Second power supply unit is connect with the control module signal, for receiving the control signal of the control module simultaneously Export default second power;Default second power is greater than default first power.For example, default second power is 150W(15V/10A)。
The control module, for obtaining the current system operating power information of the power collection module transmission;Institute When stating the work of the first power supply unit, judge whether the current system operating power information meets predetermined power up-regulation condition;If It is then to export control signal, controls second power supply unit and export default second power and stop first power supply unit Export default first power.
The predetermined power raises condition, for example, current system operating power is super in first power supply unit work Power threshold is crossed, which can be 135W (20V/6.75A).
Control second power supply unit exports default second power and stops the first power supply unit output in advance It is exactly, due to the generation of multitasking event, to add using farsighted frequency in first power supply unit work if the first power In the system of fast technology, current system operating power is caused to increase, for example current system operating power is increased to 150W, that is, The prior art will make adapter and battery while power, and largely discharge so as to cause battery.In the present embodiment, when the control mould Block obtains current system operating power information and meets predetermined power up-regulation condition, for example, judging the current system operating power Whether information is greater than default first power, for example default first power is 135W (20V/6.75A).If it is, adjustment first The power supply unit of power supply module, to adapt to the power supply needs of current system normal work, that is, it is single by second power supply Member exports default second power, such as second power supply unit output 150W (15V/10A).
The control module is also used to judge the current system operating power when second power supply unit works Whether information, which meets predetermined power, is lowered condition;If so, output control signal, it is default to control the first power supply unit output First power simultaneously stops default second power of the second power supply unit output.
The predetermined power lowers condition, for example, current system operating power is low in second power supply unit work In power threshold, which can be 150W (15V/10A).
Control first power supply unit exports default first power and stops the second power supply unit output in advance It is exactly, due to the end of multitasking event, to add using farsighted frequency in second power supply unit work if the second power In the system of fast technology, the decline of current system operating power, such as the decline of current system operating power reach 135W.The present embodiment In, meet predetermined power downward condition when the control module obtains current system operating power information, for example, working as described in judgement Whether preceding system operating power information is less than default second power, for example default second power is 150W (15V/10A).If It is then to adjust the power supply unit of the first power supply module, to adapt to the power supply needs of current system normal work, that is, by institute It states the first power supply unit and exports default first power, such as first power supply unit output 135W (20V/6.75A).
It is higher than normal operating power since the second power supply unit exports default second power, exports default second function for a long time Rate can generate a large amount of heat, lead to component damage in second power supply unit.Second power supply unit in order to prevent Temperature is excessively high.Therefore, in the present embodiment, second power supply unit, further includes: temperature detection subelement, with the control mould Block electrical connection is used for when second power supply unit exports default second power, by second power supply unit of acquisition Operational temperature information sends the control module to.For example, the temperature detection subelement is the circuit for including thermistor;Institute The circuit for stating thermistor is arranged near the component that temperature changes greatly in second power supply unit, in particular for detecing The temperature of power scale component.In actual use, temperature of the adapter in working condition can be detected by infrared equipment Distribution map tests out the highest temperature area of adapter working condition, temperature detection subelement can be set in the region, the highest Temperature area is typically provided with the power component easily to generate heat.
The power supply circuit, further includes: the first link block connects first power supply module and control module, is used for The output power of first power supply module is sent to the system where the control module, and transmits the control module pair The control signal of first power supply module.For example, first link block, specifically with the company of USB Type-C interface Conducting wire is connect, the operational temperature information of second power supply unit of the temperature detection subelement acquisition passes through the USB The connecting wire of Type-C interface sends the control module to.The advantages of USB type-c interface, is: it is small in size, it supports from just Pluggable " positive anti-plug " function in anti-two sides, transmission speed is fast, meets the standard of USB 3.1.First link block, is adopted With the connecting wire with USB Type-C interface, first power supply module and control module are linked together, not only may be used With output power, but also control signal can be transmitted, to simplify circuit.
The control module, for obtaining the working time of second power supply unit and the operating temperature letter of current system Breath;Judge whether the working time of second power supply unit is greater than preset operating time;If so, judging the operating temperature Whether information is greater than default operational temperature information;If so, output control signal, it is default to control the first power supply unit output First power stops second power supply unit and exports default second power, and the work accommodation of system is made to preset the first power.
At the beginning of the working time of second power supply unit, that is, second power supply unit obtains the control Unit control instruction processed and at the time of start to export default second power.
The preset operating time just refers to threshold value between a period of time, for example, the time threshold can be 10 minutes.
The default operational temperature information, that is, refer to a temperature threshold, for example, the temperature threshold can be 105 DEG C.
Whether the working time for judging second power supply unit is greater than preset operating time, for example, judgement adaptation Whether device exports the time of 150W (15V/10A) more than 10 minutes.
It is described to judge whether the operational temperature information is greater than default operating temperature letter if it is greater than preset operating time Breath, for example, judging whether the operating temperature of most sensitive component in the present output power unit of adapter is greater than 105 DEG C.
The work accommodation for making system presets the first power, that is, the control module issues frequency reducing letter to system Breath is started to work, so that operating power is reduced to default first power, example after system obtains frequency reducing information using low frequency Such as, it is reduced to 135W (20V/6.75A).
In addition, the protection temperature of first power supply module can be 115 DEG C.
The present embodiment does not need to replace powerful adapter, reduces costs.It avoids electric discharge for a long time and causes battery Power shortage, to ensure that the good experience of user.
Second embodiment provided by the present application, i.e. a kind of electronic equipment embodiment.
The electronic equipment embodiment provided by the present application describes fairly simple, and relevant part refers to above-mentioned offer A kind of corresponding explanation of the embodiment for the power supply circuit for switching output power.Embodiment described below is only Schematically.
The present embodiment provides a kind of electronic equipment, the electronic equipment includes described in equipment body and first embodiment Power supply circuit.
Corresponding with first embodiment provided by the present application, present invention also provides 3rd embodiment, i.e., a kind of switching is defeated The method of supplying power to of power out.Since 3rd embodiment is substantially similar to first embodiment, so describe fairly simple, it is relevant Part refers to the corresponding explanation of first embodiment.Embodiment of the method described below is only schematical.
Fig. 2 shows a kind of embodiments for the method for supplying power to for switching output power provided by the present application.Fig. 2 is that the application is real A kind of flow chart of the method for supplying power to of switching output power of example offer is provided.
Referring to FIG. 2, this implementation provides a kind of method of supplying power to for switching output power, dual power supply for electronic equipment is supplied Electricity, comprising:
Step S101 obtains current system operating power information;
Step S102, according to the current system operating power information control the first power supply module in the current system The power supply unit output power that operating power matches;
Wherein, first power supply module, the power supply unit with multiple and different output powers.
In the system of no farsighted frequency acceleration technique, the operating power of system is more constant, but is accelerating skill with farsighted frequency In the system of art, the task amount according to system operation is different, and system can adjust automatically operating power.Therefore, the acquisition The purpose of current system operating power information obtains whether system enters multi output exactly in the system with multi output power The work state information of power.
Further, first power supply module, comprising: the first power supply unit and the second power supply unit, described second supplies The power of electric unit output is greater than the power of first power supply unit output.
Further, step S102, it is described to be controlled in the first power supply module according to the current system operating power information The power supply unit output power to match with the current system operating power, comprising:
Whether step S102-1 judges the current system operating power information in first power supply unit work Meet predetermined power up-regulation condition.
Step S102-2 exports control signal if the output result of step S102-1 is "Yes", controls described second and supplies Electric unit, which exports default second power and stops first power supply unit, exports default first power.
Further, step S102-2, it is described to judge whether the current system operating power information meets predetermined power Up-regulation condition, comprising:
Step S102-2-1, judges whether the current system operating power information is greater than default first power.
Preferably, step S102, it is described according to the current system operating power information control the first power supply module in The power supply unit output power that the current system operating power matches, further includes:
Whether step S102-3 judges the current system operating power information in second power supply unit work Meet predetermined power and lowers condition;
Step S102-4 exports control signal if the output result of step S102-3 is "Yes", controls described first and supplies Electric unit, which exports default first power and stops second power supply unit, exports default second power.
Further, step S102-3, it is described to judge whether the current system operating power information meets predetermined power Downward condition, comprising:
Step S102-3-1, judges whether the current system operating power information is less than or equal to default first power.
Preferably, after step S102, further includes:
Step S103a obtains the operating temperature letter of second power supply unit in second power supply unit work Breath;
Step S104a, judges whether the operational temperature information of second power supply unit meets default protective condition;
Step S105a exports control signal if the output result of step S104a is "Yes", controls first power supply Unit exports default first power, stops second power supply unit and exports default second power.
Preferably, after step S102, further includes:
Step S103b obtains working time and the work of second power supply unit in second power supply unit work Make temperature information;
It is pre- to judge whether the working time of second power supply unit and the operational temperature information meet by step S104b If protective condition;
Step S105b exports control signal if the output result of step S104b is "Yes", controls first power supply Unit exports default first power, stops second power supply unit and exports default second power.
Preferably, in step S103a (or step S103b), the operating temperature for obtaining second power supply unit Information, comprising:
Step S103a-1 (or step S103b-1) receives described the by the connecting wire of the USB Type-C interface The operational temperature information of two power supply units.
Further, in step S104a, whether the operational temperature information for judging second power supply unit Meet default protective condition, comprising:
Judge whether the operational temperature information is greater than default operational temperature information.
Preferably, step S104b, the working time of judgement second power supply unit and the operational temperature information Whether satisfaction presets protective condition, comprising:
Step S104b-1, judges whether the working time of second power supply unit is greater than preset operating time;
Whether step S104b-2 judges the operational temperature information if the output result of step S104b-1 is "Yes" Greater than default operational temperature information.
Above embodiments are only the exemplary embodiment of the application, are not used in limitation the application, the protection scope of the application It is defined by the claims.Those skilled in the art can make respectively the application in the essence and protection scope of the application Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as falling within the scope of protection of this application.

Claims (20)

1. a kind of power supply circuit for switching output power, dual output power supply power supply for electronic equipment, which is characterized in that packet It includes: control module, power collection module and the first power supply module;
First power supply module, the power supply unit with multiple and different output powers, said supply unit are believed with control module respectively Number connection;
Power collection module is connect with the control module signal, for acquiring current system operating power information and will be described Current system operating power information sends the control module to;
The control module, for obtaining current system operating power information, and control in first power supply module with institute State the power supply unit output power that current system operating power matches.
2. power supply circuit according to claim 1, which is characterized in that first power supply module, comprising: the first power supply is single Member and the second power supply unit;
First power supply unit is connect with the control module signal, for receiving the control signal of the control module and exporting Default first power;
Second power supply unit is connect with the control module signal, for receiving the control signal of the control module and exporting Default second power;Default second power is greater than default first power.
3. power supply circuit according to claim 2, which is characterized in that the control module is adopted for obtaining the power Collect the current system operating power information of module transmission;In first power supply unit work, the current system work is judged Whether rate of doing work information meets predetermined power up-regulation condition;If so, output control signal, it is defeated to control second power supply unit The second power is preset out and stops first power supply unit exports default first power.
4. power supply circuit according to claim 3, which is characterized in that the control module is also used to supply described second When electric unit works, judge whether the current system operating power information meets predetermined power and lower condition;If so, output Signal is controlled, first power supply unit is controlled and exports default first power and stop the second power supply unit output default the Two power.
5. power supply circuit according to claim 2, which is characterized in that second power supply unit, further includes: temperature detection Subelement is electrically connected with the control module, is used for when second power supply unit exports default second power, by acquisition The operational temperature information of second power supply unit sends the control module to.
6. power supply circuit according to claim 5, which is characterized in that the power supply circuit, further includes: the first connection mould Block connects first power supply module and control module, described for sending the output power of first power supply module to System where control module, and the control module is transmitted to the control signal of first power supply module.
7. power supply circuit according to claim 6, which is characterized in that first link block specifically has USB The operational temperature information of the connecting wire of Type-C interface, second power supply unit of the temperature detection subelement acquisition is logical The connecting wire for crossing the USB Type-C interface sends the control module to.
8. power supply circuit according to claim 5, which is characterized in that the control module is supplied for obtaining described second The working time of electric unit and the operational temperature information of current system;Judge whether the working time of second power supply unit is big In preset operating time;If so, judging whether the operational temperature information is greater than default operational temperature information;If so, defeated Signal is controlled out, first power supply unit is controlled and exports default first power, and it is default to stop the second power supply unit output Second power, and the work accommodation of system is made to preset the first power.
9. a kind of electronic equipment, which is characterized in that the electronic equipment includes that equipment body and such as claim 1 to 8 are any one Power supply circuit described in.
10. a kind of method of supplying power to for switching output power, dual output power supply power supply for electronic equipment, which is characterized in that packet It includes:
Obtain current system operating power information;
According to the current system operating power information control the first power supply module in the current system operating power phase The power supply unit output power matched;
Wherein, first power supply module, the power supply unit with multiple and different output powers.
11. method of supplying power to according to claim 10, which is characterized in that first power supply module, comprising: the first power supply The power of unit and the second power supply unit, the second power supply unit output is greater than the power of first power supply unit output.
12. method of supplying power to according to claim 11, which is characterized in that described to be believed according to the current system operating power The power supply unit output power to match in breath the first power supply module of control with the current system operating power, comprising:
In first power supply unit work, judge whether the current system operating power information meets predetermined power up-regulation Condition;
If so, output control signal, control second power supply unit exports default second power and stops described first and supplies Electric unit exports default first power.
13. method of supplying power to according to claim 12, which is characterized in that the judgement current system operating power letter Whether breath meets predetermined power up-regulation condition, comprising:
Judge whether the current system operating power information is greater than default first power.
14. method of supplying power to according to claim 11, which is characterized in that described to be believed according to the current system operating power The power supply unit output power to match in breath the first power supply module of control with the current system operating power, further includes:
In second power supply unit work, judge whether the current system operating power information meets predetermined power downward Condition;
If so, output control signal, control first power supply unit exports default first power and stops described second and supplies Electric unit exports default second power.
15. method of supplying power to according to claim 14, which is characterized in that the judgement current system operating power letter Whether breath, which meets predetermined power, is lowered condition, comprising:
Judge whether the current system operating power information is less than or equal to default first power.
16. method of supplying power to according to claim 11, which is characterized in that described according to the current system operating power After information controls the power supply unit output power to match in the first power supply module with the current system operating power, also wrap It includes:
In second power supply unit work, the operational temperature information of second power supply unit is obtained;
Judge whether the operational temperature information of second power supply unit meets default protective condition;
If so, output control signal, controls first power supply unit and export default first power, stop second power supply Unit exports default second power.
17. method of supplying power to according to claim 11, which is characterized in that described according to the current system operating power After information controls the power supply unit output power to match in the first power supply module with the current system operating power, also wrap It includes:
In second power supply unit work, working time and the operational temperature information of second power supply unit are obtained;
Whether the working time and the operational temperature information for judging second power supply unit meet default protective condition;
If so, output control signal, controls first power supply unit and export default first power, stop second power supply Unit exports default second power.
18. method of supplying power to according to claim 16 or 17, which is characterized in that acquisition second power supply unit Operational temperature information, comprising:
The operational temperature information of second power supply unit is received by the connecting wire of the USB Type-C interface.
19. method of supplying power to according to claim 16, which is characterized in that described to judge the described of second power supply unit Whether operational temperature information meets default protective condition, comprising:
Judge whether the operational temperature information is greater than default operational temperature information.
20. method of supplying power to according to claim 17, which is characterized in that the work of judgement second power supply unit Whether time and the operational temperature information meet default protective condition, comprising:
Judge whether the working time of second power supply unit is greater than preset operating time;
If so, judging whether the operational temperature information is greater than default operational temperature information.
CN201811243788.3A 2018-10-24 2018-10-24 Power supply method and power supply circuit for switching output power and electronic equipment Active CN109491486B (en)

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