CN106292971A - A kind of method of power-on and electronic equipment - Google Patents
A kind of method of power-on and electronic equipment Download PDFInfo
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- CN106292971A CN106292971A CN201510319545.3A CN201510319545A CN106292971A CN 106292971 A CN106292971 A CN 106292971A CN 201510319545 A CN201510319545 A CN 201510319545A CN 106292971 A CN106292971 A CN 106292971A
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Abstract
The present invention discloses method and the electronic equipment of a kind of power-on.Described method includes: obtain the status signal of the expanding plug of the first electronic equipment；According to described status signal, it is judged that whether described expanding plug inserts the expansion interface of the second electronic equipment, obtain the first judged result；When described first judged result represents the expansion interface that described expanding plug inserts the second electronic equipment, power-on signal is sent to described second electronic equipment, in order to the power supply for the power elements in described second electronic equipment opened by described second electronic equipment by described expansion interface.Use the method for the present invention or electronic equipment, the risk of the component wear that hot plug brings can be avoided.
Description
Technical field
The present invention relates to field of power management, particularly relate to method and the electronic equipment of a kind of power-on.
Background technology
Along with the development of electronic product, the frivolous electronic equipment such as panel computer has been widely used.
Owing to one of characteristics of electronic equipment such as panel computer are frivolous, so this kind of electronic equipment internal generally will not
Take up room bigger element, such as display card are installed.
For above-mentioned reasons, the performance causing the electronic equipments such as panel computer of the prior art is the most relatively low.
In order to improve the performance of the electronic equipments such as panel computer, inventor finds through research, can be by display card
It is arranged in a single base Deng element.This base has suitable with electronic equipments such as panel computers
Interface.The electronic equipments such as panel computer may be inserted into this base and use, it is also possible to be used alone.Should when inserting
When base uses, the electronic equipment such as panel computer can use the display card in base, thus promotes flat board
The performance of the electronic equipments such as computer.
But, before the electronic equipments such as panel computer not yet inserted base, the unit such as display card in base
The on and off switch of part just has been switched on, i.e. the element such as display card is already at "on" position.In "on" position
Lower by electronic equipment inserted bases such as panel computers, it is a kind of hot plug operations.This hot plug operations, meeting
Bring the risk of component wear.
Summary of the invention
It is an object of the invention to provide method and the electronic equipment of a kind of power-on, the first electronics can be worked as and set
Standby with the second electronic equipment physical connection after, be then turned on the on and off switch in the second electronic equipment, thus avoid
The risk of the component wear that hot plug brings.
For achieving the above object, the invention provides following scheme:
A kind of method of power-on, including:
Obtain the status signal of the expanding plug of the first electronic equipment；
According to described status signal, it is judged that whether described expanding plug inserts the extension of the second electronic equipment connects
Mouthful, obtain the first judged result；
When described first judged result represents that described expanding plug inserts the expansion interface of the second electronic equipment
Time, send power-on signal by described expansion interface to described second electronic equipment, in order to described second
The power supply for the power elements in described second electronic equipment opened by electronic equipment.
Optionally, the status signal of the expanding plug of described acquisition the first electronic equipment, particularly as follows:
Obtain the level signal of the expanding plug of described first electronic equipment；
The described expansion interface judging whether described expanding plug inserts the second electronic equipment, particularly as follows:
Judge the first pin of described expanding plug whether have received predetermined level in the range of level signal.
Optionally, described by described expansion interface to described second electronic equipment send power-on signal,
Specifically include:
Signal is enabled by the embedded controller the second pin output in described expansion interface；
Described second pin is connected with the on and off switch of described second electronic equipment.
A kind of method of power-on, including:
Obtain the status signal of the expansion interface of the second electronic equipment；
According to described status signal, it is judged that whether described second electronic equipment receives the first electronic equipment sends
Power-on signal, obtain the first judged result；
When described first judged result represents that described second electronic equipment receives what the first electronic equipment sent
During power-on signal, open the main power source of described second electronic equipment；Described main power source is described second electricity
The in running order lower required power supply opened of subset.
Optionally, before the status signal of the expansion interface of described acquisition the second electronic equipment, also include:
By the level signal in the range of the first pin output predetermined level of described expansion interface, in order to described
Whether the expanding plug of the first electronic equipment described first electronic equipment of detection inserts described second electronics sets
Standby expansion interface.
Optionally, the described power supply judging whether described second electronic equipment receives the first electronic equipment transmission
Open signal, specifically include:
Judge whether the second pin in described expansion interface receives the embedded of described first electronic equipment
The enable signal of controller output；
Described second pin is connected with the on and off switch of described second electronic equipment.
A kind of electronic equipment, including:
Expanding plug status signal acquiring unit, for obtaining the state letter of the expanding plug of the first electronic equipment
Number；
First judging unit, for according to described status signal, it is judged that whether described expanding plug inserts the
The expansion interface of two electronic equipments, obtains the first judged result；
When described first judged result, power-on signal transmitting element, for representing that described expanding plug inserts
During the expansion interface of the second electronic equipment, send electricity by described expansion interface to described second electronic equipment
Signal is opened in source, in order to described second electronic equipment is opened as the power elements in described second electronic equipment
Power supply.
Optionally, the status signal acquiring unit of described expanding plug, specifically include:
Level signal obtains subelement, for obtaining the level letter of the expanding plug of described first electronic equipment
Number；
Described first judging unit, specifically includes:
First judgment sub-unit, presets electricity for judging whether the first pin of described expanding plug have received
Level signal in the range of Ping.
Optionally, described power-on signal transmitting element, specifically include:
Enable signal output subelement, for by embedded controller second drawing in described expansion interface
Foot output enables signal；
Described second pin is connected with the on and off switch of described second electronic equipment.
A kind of electronic equipment, including:
Expansion interface status signal acquiring unit, for obtaining the state letter of the expansion interface of the second electronic equipment
Number；
First judging unit, for according to described status signal, it is judged that whether described second electronic equipment receives
The power-on signal sent to the first electronic equipment, obtains the first judged result；
Unit opened by main power source, for representing that described second electronic equipment receives when described first judged result
During the power-on signal that the first electronic equipment sends, open the main power source of described second electronic equipment；Described
Main power source is the described second in running order lower required power supply opened of electronic equipment.
Optionally, also include:
Level signal output unit, for obtain the second electronic equipment expansion interface status signal it
Before, by the level signal in the range of the first pin output predetermined level of described expansion interface, in order to described
Whether the expanding plug of the first electronic equipment described first electronic equipment of detection inserts described second electronics sets
Standby expansion interface.
Optionally, described first judging unit, specifically include:
First judgment sub-unit, whether the second pin for judging in described expansion interface receives described the
The enable signal of the embedded controller output of one electronic equipment；
Described second pin is connected with the on and off switch of described second electronic equipment.
The specific embodiment provided according to the present invention, the invention discloses techniques below effect:
The method of the power-on in the embodiment of the present invention and electronic equipment, by obtaining the first electronic equipment
The status signal of expanding plug；According to described status signal, it is judged that whether described expanding plug inserts second
The expansion interface of electronic equipment, obtains the first judged result；When described first judged result represents described extension
When plug inserts the expansion interface of the second electronic equipment, set to described second electronics by described expansion interface
Preparation send power-on signal；Whether the first electronic equipment can be connected with the second electronic equipment and examine
Survey, when after the first electronic equipment and the second electronic equipment physical connection, be then turned on the electricity in the second electronic equipment
Source switch, thus avoid the risk of the component wear that hot plug brings.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only
Some embodiments of the present invention, for those of ordinary skill in the art, are not paying creative work
On the premise of, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the embodiment of the method 1 of the power-on of the present invention；
Fig. 2 is the flow chart of the embodiment of the method 2 of the power-on of the present invention；
Fig. 3 is the flow chart of the embodiment of the method for the another kind of power-on of the present invention；
Fig. 4 is the structure chart of the electronic equipment embodiment of the present invention；
Fig. 5 is the structure chart of the another kind of electronic equipment embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below in conjunction with the accompanying drawings and
The present invention is further detailed explanation for detailed description of the invention.
Firstly the need of explanation, the executive agent of the method for the power-on of the present invention, can be notebook
The electronic equipment such as computer, panel computer.Described electronic equipment is properly termed as the first electronic equipment.Described first
Having an expanding plug on electronic equipment, described first electronic equipment can be with second by described expanding plug
Electronic equipment is connected.Concrete, described second electronic equipment can have expansion interface, described extension
Plug may be inserted into described expansion interface.
Fig. 1 is the flow chart of the embodiment of the method 1 of the power-on of the present invention.As it is shown in figure 1, the method
May include that
Step 101: obtain the status signal of the expanding plug of the first electronic equipment；
The status signal of the expanding plug of described first electronic equipment can be level signal.Described first electronics
Device interior can be provided with signal detection end, for detecting the status signal of described expanding plug.
Step 102: according to described status signal, it is judged that whether described expanding plug inserts the second electronics sets
Standby expansion interface, obtains the first judged result；
Generally, when described expanding plug inserts expansion interface, the status signal of described expanding plug can occur
Change.Therefore, it can by described status signal, it is judged that whether described expanding plug inserts the second electronics
The expansion interface of equipment.
Step 103: when described first judged result represents that described expanding plug inserts the second electronic equipment
During expansion interface, send power-on signal by described expansion interface to described second electronic equipment, in order to
The power supply for the power elements in described second electronic equipment opened by described second electronic equipment.
Described expansion interface can have the Enable Pin of a pin, this pin and described second electronic equipment
It is connected.This Enable Pin is for controlling the opening and closing of the power supply of described second electronic equipment.
Described power-on signal can be high level signal.Enable Pin in described second electronic equipment receives
After described high level signal, the unlatching of power supply in described second electronic equipment can be triggered.Described second
After electric power starting in electronic equipment, described power supply can be the power elements in described second electronic equipment,
So that the element in described second electronic equipment is in running order.
In sum, in the present embodiment, by obtaining the status signal of the expanding plug of the first electronic equipment；
According to described status signal, it is judged that whether described expanding plug inserts the expansion interface of the second electronic equipment,
Obtain the first judged result；When described first judged result represents that described expanding plug inserts the second electronics and sets
During standby expansion interface, send power-on signal by described expansion interface to described second electronic equipment；
Whether the first electronic equipment can be connected with the second electronic equipment and detect, when the first electronic equipment with
After second electronic equipment physical connection, it is then turned on the on and off switch in the second electronic equipment, thus avoids heat to insert
Pull out the risk of the component wear brought.
In actual application, the status signal of the expanding plug of described acquisition the first electronic equipment, specifically may is that
Obtain the level signal of the expanding plug of described first electronic equipment.
The described expansion interface judging whether described expanding plug inserts the second electronic equipment, the most permissible
It is:
Judge the first pin of described expanding plug whether have received predetermined level in the range of level signal
Generally, the first pin of described expanding plug is defeated with the high level signal in described first electronic equipment
Go out end to be connected.In the expansion interface of described second electronic equipment, at least there is a grounding pin.Described ground connection
Pin ground connection.The implementation of described ground connection can have multiple, and such as, described grounding pin can be with second
The metal shell of electronic equipment be connected, or described grounding pin can with described second electronic equipment in relatively
Big metal parts is connected.When the expanding plug of described first electronic equipment inserts the expansion of described second electronic equipment
After exhibition interface, described first pin is connected with described grounding pin, and the level of described first pin can be drawn
Low.The level of described first pin is detected, i.e. can pass through the change of the level signal of the first pin,
Judge whether described expanding plug inserts the expansion interface of the second electronic equipment.
In the embodiment of the present invention, described by described expansion interface to described second electronic equipment send power supply open
Open signal, specifically may is that
By embedded controller (Embedded Controller, EC) in described expansion interface second
Pin output enables signal；
Described second pin is connected with the on and off switch of described second electronic equipment.
The level value of described enable signal can enter according to the specifications parameter of the chip that described second pin connects
Row is arranged.When the on and off switch control pin of described chip is arranged to receive high level signal unlatching,
Described enable signal can be high level signal；It is arranged to connect when the on and off switch of described chip controls pin
When receiving low level signal unlatching, described enable signal can be low level signal.
Fig. 2 is the flow chart of the embodiment of the method 2 of the power-on of the present invention.As in figure 2 it is shown, the method
May include that
Step 201: obtain the level signal of the first pin of the expanding plug of described first electronic equipment；
Step 202: judge whether the voltage that described level signal represents is less than reference voltage, obtains first and sentences
Disconnected result；
Step 203: when described first judged result represents that the voltage that described level signal represents is electric less than reference
During pressure, enable signal by the embedded controller the second pin output in described expansion interface；With toilet
State the second electronic equipment and open the power supply for the power elements in described second electronic equipment；
Described second pin is connected with the on and off switch of described second electronic equipment.
It should be noted that in actual application, described power supply can be the power supply for a power elements, also
It can be the power supply for multiple power elements.Such as, described power supply can be the power supply powered for video card；Or
Power supply described in person can be the power supply powered for video card and sound card.
In actual application, described expansion interface, can be USB (universal serial bus) (Universal Serial Bus,
USB) interface, or video transmission interface etc..
In the present embodiment, according to the level signal of the first pin of the expanding plug of described first electronic equipment
Voltage, it is judged that described first electronic equipment and the second electronic equipment whether physical connection, if it is determined that described
One electronic equipment and the second electronic equipment physical connection, then open the power supply of described second electronic equipment, permissible
Avoid the risk of the component wear that hot plug brings.
The method that the invention also discloses another kind of power-on.The method can apply to above-mentioned second electronics
Equipment.
Fig. 3 is the flow chart of the embodiment of the method for the another kind of power-on of the present invention.As it is shown on figure 3, should
Method may include that
Step 301: obtain the status signal of the expansion interface of the second electronic equipment；
The status signal of the expansion interface of described second electronic equipment, can be that the extension of the second electronic equipment connects
The level signal of mouth.
Step 302: according to described status signal, it is judged that whether described second electronic equipment receives the first electricity
The power-on signal that subset sends, obtains the first judged result；
Generally, described power-on signal can be high level signal.By identifying the electricity of described expansion interface
The magnitude of voltage of ordinary mail number, it can be determined that whether receive the power-on signal that the first electronic equipment sends.
Step 303: when described first judged result represents that described second electronic equipment receives the first electronics and sets
During the power-on signal that preparation is sent, open the main power source of described second electronic equipment；Described main power source is institute
State the second in running order lower required power supply opened of electronic equipment.
The main power source of described second electronic equipment, when not being connected with described first electronic equipment, may be at
Closed mode.After receiving described power-on signal, described main power source can be triggered to opening,
Thus described main power source can be that the device in described second electronic equipment is powered.
It should be noted that in described second electronic equipment, remove described main power source, it is also possible to have additionally
Power supply.Described other power supply can be that the voltage detection unit of the expansion interface of the second electronic equipment supplies
Electricity, to obtain the status signal of the expansion interface of the second electronic equipment by voltage detection unit.
In the present embodiment, by obtaining the status signal of the expansion interface of the second electronic equipment；According to described shape
State signal, it is judged that whether described second electronic equipment receives the electric power starting letter that the first electronic equipment sends
Number, obtain the first judged result；When described first judged result represents that described second electronic equipment receives
During the power-on signal that one electronic equipment sends, open the main power source into described second electronic equipment；Permissible
Whether the first electronic equipment is connected with the second electronic equipment and detects, when the first electronic equipment and second
After electronic equipment physical connection, it is then turned on the on and off switch in the second electronic equipment, thus avoids hot plug band
The risk of the component wear come.
In actual application, before the status signal of the expansion interface of described acquisition the second electronic equipment, it is also possible to
Including:
By the level signal in the range of the first pin output predetermined level of described expansion interface, in order to described
Whether the expanding plug of the first electronic equipment described first electronic equipment of detection inserts described second electronics sets
Standby expansion interface.
It should be noted that in the range of described the first pin by described expansion interface exports predetermined level
Level signal, may include that described first pin ground connection, and the expansion interface for described first electronic equipment carries
For ground signalling.
In actual application, described judge whether described second electronic equipment receives what the first electronic equipment sent
Power-on signal, specifically may include that
Judge whether the second pin in described expansion interface receives the embedded of described first electronic equipment
The enable signal of controller output；
Described second pin is connected with the on and off switch of described second electronic equipment.
The invention also discloses a kind of electronic equipment.Described electronic equipment is above-mentioned first electronic equipment.
Fig. 4 is the structure chart of the electronic equipment embodiment of the present invention.As shown in Figure 4, this electronic equipment is permissible
Including:
Expanding plug status signal acquiring unit 401, for obtaining the shape of the expanding plug of the first electronic equipment
State signal；
First judging unit 402, for according to described status signal, it is judged that whether described expanding plug inserts
The expansion interface of the second electronic equipment, obtains the first judged result；
Power-on signal transmitting element 403, for representing described expanding plug when described first judged result
When inserting the expansion interface of the second electronic equipment, sent out to described second electronic equipment by described expansion interface
Send power-on signal, in order to described second electronic equipment is opened and supplied for the element in described second electronic equipment
The power supply of electricity.
In the present embodiment, by obtaining the status signal of the expanding plug of the first electronic equipment；According to described shape
State signal, it is judged that whether described expanding plug inserts the expansion interface of the second electronic equipment, obtains first and sentences
Disconnected result；When described first judged result represents that described expanding plug inserts the extension of the second electronic equipment and connects
During mouth, send power-on signal by described expansion interface to described second electronic equipment；Can be to first
Whether electronic equipment is connected with the second electronic equipment and detects, when the first electronic equipment and the second electronics set
After standby physical connection, it is then turned on the on and off switch in the second electronic equipment, thus avoids the unit that hot plug brings
The risk that part damages.
In actual application, described expanding plug status signal acquiring unit 401, specifically may include that
Level signal obtains subelement, for obtaining the level letter of the expanding plug of described first electronic equipment
Number；
Described first judging unit 402, specifically may include that
First judgment sub-unit, presets electricity for judging whether the first pin of described expanding plug have received
Level signal in the range of Ping.
In actual application, described power-on signal transmitting element 403, specifically may include that
Enable signal output subelement, for by embedded controller second drawing in described expansion interface
Foot output enables signal；
Described second pin is connected with the on and off switch of described second electronic equipment.
The invention also discloses another kind of electronic equipment.Described another kind of electronic equipment can be above-mentioned second electricity
Subset.
Fig. 5 is the structure chart of the another kind of electronic equipment embodiment of the present invention.As it is shown in figure 5, this electronics sets
For may include that
Expansion interface status signal acquiring unit 501, for obtaining the shape of the expansion interface of the second electronic equipment
State signal；
First judging unit 502, for according to described status signal, it is judged that whether described second electronic equipment
Receive the power-on signal that the first electronic equipment sends, obtain the first judged result；
Unit 503 opened by main power source, for representing that described second electronic equipment connects when described first judged result
When receiving the power-on signal that the first electronic equipment sends, open the main power source of described second electronic equipment；
Described main power source is the described second in running order lower required power supply opened of electronic equipment.
In the present embodiment, by obtaining the status signal of the expansion interface of the second electronic equipment；According to described shape
State signal, it is judged that whether described second electronic equipment receives the electric power starting letter that the first electronic equipment sends
Number, obtain the first judged result；When described first judged result represents that described second electronic equipment receives
During the power-on signal that one electronic equipment sends, open the main power source into described second electronic equipment；Permissible
Whether the first electronic equipment is connected with the second electronic equipment and detects, when the first electronic equipment and second
After electronic equipment physical connection, it is then turned on the on and off switch in the second electronic equipment, thus avoids hot plug band
The risk of the component wear come.
In actual application, it is also possible to including:
Level signal output unit, for obtain the second electronic equipment expansion interface status signal it
Before, by the level signal in the range of the first pin output predetermined level of described expansion interface, in order to described
Whether the expanding plug of the first electronic equipment described first electronic equipment of detection inserts described second electronics sets
Standby expansion interface.
In actual application, described first judging unit 502, specifically may include that
First judgment sub-unit, whether the second pin for judging in described expansion interface receives described the
The enable signal of the embedded controller output of one electronic equipment；
Described second pin is connected with the on and off switch of described second electronic equipment.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is
With the difference of other embodiments, between each embodiment, identical similar portion sees mutually.For
For electronic equipment disclosed in embodiment, owing to it corresponds to the method disclosed in Example, so describe
Fairly simple, relevant part sees method part and illustrates.
Principle and the embodiment of the present invention are set forth by specific case used herein, above enforcement
The explanation of example is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for this area
Those skilled in the art, according to the thought of the present invention, the most all can change
Part.In sum, this specification content should not be construed as limitation of the present invention.
Claims (12)
1. the method for a power-on, it is characterised in that including:
Obtain the status signal of the expanding plug of the first electronic equipment；
According to described status signal, it is judged that whether described expanding plug inserts the extension of the second electronic equipment connects
Mouthful, obtain the first judged result；
When described first judged result represents that described expanding plug inserts the expansion interface of the second electronic equipment
Time, send power-on signal by described expansion interface to described second electronic equipment, in order to described second
The power supply for the power elements in described second electronic equipment opened by electronic equipment.
Method the most according to claim 1, it is characterised in that described acquisition the first electronic equipment
The status signal of expanding plug, particularly as follows:
Obtain the level signal of the expanding plug of described first electronic equipment；
The described expansion interface judging whether described expanding plug inserts the second electronic equipment, particularly as follows:
Judge the first pin of described expanding plug whether have received predetermined level in the range of level signal.
Method the most according to claim 1 and 2, it is characterised in that described connect by described extension
Mouth sends power-on signal to described second electronic equipment, specifically includes:
Signal is enabled by the embedded controller the second pin output in described expansion interface；
Described second pin is connected with the on and off switch of described second electronic equipment.
4. the method for a power-on, it is characterised in that including:
Obtain the status signal of the expansion interface of the second electronic equipment；
According to described status signal, it is judged that whether described second electronic equipment receives the first electronic equipment sends
Power-on signal, obtain the first judged result；
When described first judged result represents that described second electronic equipment receives what the first electronic equipment sent
During power-on signal, open the main power source of described second electronic equipment；Described main power source is described second electricity
The in running order lower required power supply opened of subset.
Method the most according to claim 4, it is characterised in that described acquisition the second electronic equipment
Before the status signal of expansion interface, also include:
By the level signal in the range of the first pin output predetermined level of described expansion interface, in order to described
Whether the expanding plug of the first electronic equipment described first electronic equipment of detection inserts described second electronics sets
Standby expansion interface.
Method the most according to claim 4, it is characterised in that described second electronics of described judgement sets
The standby power-on signal whether receiving the first electronic equipment transmission, specifically includes:
Judge whether the second pin in described expansion interface receives the embedded of described first electronic equipment
The enable signal of controller output；
Described second pin is connected with the on and off switch of described second electronic equipment.
7. an electronic equipment, it is characterised in that including:
Expanding plug status signal acquiring unit, for obtaining the state letter of the expanding plug of the first electronic equipment
Number；
First judging unit, for according to described status signal, it is judged that whether described expanding plug inserts the
The expansion interface of two electronic equipments, obtains the first judged result；
When described first judged result, power-on signal transmitting element, for representing that described expanding plug inserts
During the expansion interface of the second electronic equipment, send electricity by described expansion interface to described second electronic equipment
Signal is opened in source, in order to described second electronic equipment is opened as the power elements in described second electronic equipment
Power supply.
Electronic equipment the most according to claim 7, it is characterised in that described expanding plug state is believed
Number acquiring unit, specifically includes:
Level signal obtains subelement, for obtaining the level letter of the expanding plug of described first electronic equipment
Number；
Described first judging unit, specifically includes:
First judgment sub-unit, presets electricity for judging whether the first pin of described expanding plug have received
Level signal in the range of Ping.
9. according to the electronic equipment described in claim 7 or 8, it is characterised in that described electric power starting is believed
Number transmitting element, specifically includes:
Enable signal output subelement, for by embedded controller second drawing in described expansion interface
Foot output enables signal；
Described second pin is connected with the on and off switch of described second electronic equipment.
10. an electronic equipment, it is characterised in that including:
Expansion interface status signal acquiring unit, for obtaining the state letter of the expansion interface of the second electronic equipment
Number；
First judging unit, for according to described status signal, it is judged that whether described second electronic equipment receives
The power-on signal sent to the first electronic equipment, obtains the first judged result；
Unit opened by main power source, for representing that described second electronic equipment receives when described first judged result
During the power-on signal that the first electronic equipment sends, open the main power source of described second electronic equipment；Described
Main power source is the described second in running order lower required power supply opened of electronic equipment.
11. electronic equipments according to claim 10, it is characterised in that also include:
Level signal output unit, for obtain the second electronic equipment expansion interface status signal it
Before, by the level signal in the range of the first pin output predetermined level of described expansion interface, in order to described
Whether the expanding plug of the first electronic equipment described first electronic equipment of detection inserts described second electronics sets
Standby expansion interface.
12. electronic equipments according to claim 10, it is characterised in that described first judging unit,
Specifically include:
First judgment sub-unit, whether the second pin for judging in described expansion interface receives described the
The enable signal of the embedded controller output of one electronic equipment；
Described second pin is connected with the on and off switch of described second electronic equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510319545.3A CN106292971A (en) | 2015-06-11 | 2015-06-11 | A kind of method of power-on and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510319545.3A CN106292971A (en) | 2015-06-11 | 2015-06-11 | A kind of method of power-on and electronic equipment |
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| CN106292971A true CN106292971A (en) | 2017-01-04 |
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| CN201510319545.3A Pending CN106292971A (en) | 2015-06-11 | 2015-06-11 | A kind of method of power-on and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102692986A (en) * | 2011-02-14 | 2012-09-26 | 株式会社尼康 | Electronic appliance, connecting appliance, electronic appliance system and method |
| CN102778943A (en) * | 2011-05-10 | 2012-11-14 | 联想(北京)有限公司 | State control method and device and portable terminal |
| CN102880238A (en) * | 2012-08-30 | 2013-01-16 | 中兴通讯股份有限公司 | Interface expanding method and device for tablet personal computer |
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Application publication date: 20170104 |