CN109491493A - Dynamic power control technology and expansion seat with dynamic power control technology - Google Patents
Dynamic power control technology and expansion seat with dynamic power control technology Download PDFInfo
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- CN109491493A CN109491493A CN201811358277.6A CN201811358277A CN109491493A CN 109491493 A CN109491493 A CN 109491493A CN 201811358277 A CN201811358277 A CN 201811358277A CN 109491493 A CN109491493 A CN 109491493A
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- seat
- power
- expansion
- host
- control technology
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/263—Arrangements for using multiple switchable power supplies, e.g. battery and AC
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
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- Control Of Temperature (AREA)
Abstract
A kind of dynamic power control technology and the expansion seat with dynamic power control technology, dynamic power control technology are suitable for expanding seat and are electrically connected to the host for expanding seat, and dynamic power control technology includes the following steps.Judge to expand whether seat connects external power supply by expanding the power transmission controller of seat.If seat is expanded in judgement connection external power supply, expands seat and switch to confession power mode, host is supplied power to by expansion seat.In confessing under power mode, judge to expand whether seat connects other power devices by expanding the power transmission controller of seat.If seat is expanded in judgement there are other power devices of connection, expand seat and switch to the first powering mode, expands seat and supply the first power to host.If seat is expanded in judgement is not connected with other power devices, expands seat and switch to the second powering mode, expands seat and supply the second power to host.Wherein, the second power is greater than the first power.
Description
Technical field
The present invention relates to a kind of dynamic power control technology and with the expansion seat of dynamic power control technology, especially
It is related to a kind of dynamic power control technology suitable for expanding seat and host.
Background technique
Expand seat (Dock) or electric power expands seat (Power Dock) and is connected to host, is connect to transmit electric power and expand
Mouthful, such as: universal serial bus (Universal Serial Bus, USB) interface, high picture quantity multimedia interface (High
Definition Multimedia Interface, HDMI) interface ... etc..There are two types of the operational modes for expanding seat, works as expansion
On seated connection when power supply adaptor (Power Adapter), expansion seat is self-powered (Self-powered) mode, is supplied by expansion seat
Supply electricity to host；And when expansion seat does not connect with the mains adapter, expanding seat is to be powered (Bus-powered) mode, by host
It supplies electricity to expand seat.
However, existing expansion seat whether all only has a kind of power supply mould when confessing power mode or being powered mode
Formula causes expansion seat that can not be suitable for a variety of different hosts, also be unable to cope with different charge conditions.For example, work as expansion
Seat is filled when being powered mode, if the power supply capacity of host reduces suddenly, the consumption of power can not and then be reduced by expanding seat.And work as
Expand seat when confessing power mode, if host needs bigger electricity, its power supply capacity can not be improved by expanding seat.Therefore, existing
The present is flooded in the environment of the electronic product of various specifications, and the use elasticity for expanding seat is subject to limitation.
Summary of the invention
Technical problem to be solved by the present invention lies in a kind of dynamic power control technology is proposed, it is suitable for expanding seat and electricity
It is connected to the host for expanding seat, the dynamic power control technology includes the following steps.By the power transmission control for expanding seat
Device come judge expand seat whether connect external power supply.If seat is expanded in judgement connection external power supply, expands seat and switch to confession
Power mode, wherein confession power mode is to supply power to host by expansion seat.In confessing under power mode, by the power transmission for expanding seat
Controller come judge expand seat whether connect other power devices.If seat is expanded in judgement there are other power devices of connection, expand
Seat switches to the first powering mode, wherein in the first powering mode, expands seat and supplies the first power to host.If judgement is expanded
It fills seat and is not connected with other power devices, then expand seat and switch to the second powering mode.Wherein, in the second powering mode, expand
Seat supplies the second power to host.Wherein, the second power is greater than the first power.
Preferably, judge that the step of whether the expansion seat connects the external power supply further comprises: by the electricity
Power transmission control unit (TCU) detects whether that there are this ground voltages to determine it is described outer whether the AC power source jack for expanding seat connects
Portion's power supply, wherein if the power transmission controller detects that this ground voltage exists, judge the exchange for expanding seat
Supply hub is that have the connection external power supply.
Preferably, the step of expansion seat switches to the confession power mode further comprises: being passed by the electric power
Defeated controller generates switching signal by collocation channel logical signal and host communication；And pass through the expansion seat
One direct current adjusts circuit to switch to the confession power mode according to the switching signal.
Preferably, judge that the step of whether the expansion seat connects other power devices further comprises: by the expansion
A Universal serial bus concentrator of seat is filled to detect whether described other interfaces for expanding seat connect power device.
Preferably, the step of expansion seat switches to the first powering mode further comprises: in response to the expansion seat
Other described interfaces connect power device, the Universal serial bus concentrator generates the first powering mode signal, and leads to
It crosses IC bus and the first powering mode signal is sent to the power transmission controller, the power transmission control
The expansion seat is switched to first powering mode according to the first powering mode signal by device processed.
Preferably, the step of expansion seat switches to the second powering mode further comprises: in response to the expansion seat
Other described interfaces do not connect power device, the Universal serial bus concentrator generates the second powering mode signal, and leads to
It crosses the IC bus for expanding seat and the second powering mode signal is sent to the power transmission controller, institute
Power transmission controller is stated according to the second powering mode signal the expansion seat is switched to second powering mode.
Preferably, the dynamic power control technology further comprises: switching to confession power mode in the expansion seat
The step of after, by it is described expand seat thermistor come detect it is described expand seat Current Temperatures；Judge the current temperature
Whether degree is greater than predetermined temperature threshold；If judging, the Current Temperatures are greater than the predetermined temperature threshold, the expansion seat
Output the first supply electric current；If judging, the Current Temperatures are less than or equal to the predetermined temperature threshold, the expansion seat
Output the second supply electric current.Wherein, the second supply electric current is greater than the first supply electric current.
Preferably, the dynamic power control technology further comprises: in by it is described expand seat thermistor come
After the step of detecting the Current Temperatures for expanding seat, the thermistor, will be described by universal input/output signal
Current Temperatures are transmitted to the power transmission controller；And in judging whether the Current Temperatures are greater than predetermined temperature threshold
After step, the power transmission controller is linked up by collocation channel logical signal with the host.The expansion seat is defeated
The step of the first supply electric current further comprises out: the power transmission output end for expanding seat is switched to the output confession
Answer electric current.The step of the second supply of expansion seat output electric current, further comprises: the power transmission output end is switched to
Export the second supply electric current.Wherein, it switches to the output first supply electric current and switches to output second supply
The step of electric current, is not necessary to interrupt the connection between the expansion seat and the host.
Further, disclosure of the present invention is it is further proposed that a kind of dynamic power control technology, be suitable for expanding seat and
It is electrically connected to the host for expanding seat, dynamic power control technology includes the following steps.By the power transmission controller for expanding seat
To judge to expand whether seat connects external power supply.If judgement expands seat and is not connected with external power supply, expands seat and switch to and be powered
Mode, wherein being powered mode is by host supplying power to expanding seat.In being powered under mode, by the power transmission control for expanding seat
Device processed judges whether the power supply capacity of host is greater than predetermined threshold.If judging, the power supply capacity of host is greater than predetermined threshold,
Then expand seat and exports the first electric current.If judging, the power supply capacity of host is less than or equal to predetermined threshold, expands seat output the
Two electric currents.Wherein, the first electric current is greater than the second electric current.
Preferably, judge that the step of whether the expansion seat connects the external power supply further comprises: by the electricity
Power transmission control unit (TCU) detects whether that there are this ground voltages to determine it is described outer whether the AC power source jack for expanding seat connects
Portion's power supply, wherein if the presence of this ground voltage is not detected in the power transmission controller, judge the friendship for expanding seat
Flowing supply hub is to be not connected with the external power supply.
Preferably, the expansion seat switches to described the step of being powered mode and further comprises: being passed by the electric power
Defeated controller generates switching signal by collocation channel logical signal and host communication；And pass through the expansion seat
Direct current adjusts circuit to switch to according to the switching signal and described be powered mode.
Preferably, judge that the step of whether power supply capacity of the host is greater than the predetermined threshold further wraps
Include: the power transmission controller is linked up by collocation channel logical signal and the host.
Preferably, the step of first electric current of expansion seat output further comprises: being big in response to the power supply capacity
In the predetermined threshold, the power transmission controller passes through universal input/output signal for described other interfaces for expanding seat
One first connecting interface is switched to export the first electric current.
Preferably, the step of second electric current of expansion seat output further comprises: being small in response to the power supply capacity
In or be equal to the predetermined threshold, the power transmission controller by universal input/output signal by it is described expand seat its
His interface switches to the second connecting interface to export the second electric current.
Further, disclosure of the present invention is it is further proposed that a kind of expansion seat with dynamic power control technology, packet
Include following elements.Primary interface, to be electrically connected to host.Other interfaces, to be electrically connected other power devices.AC power source
Jack, to connect external power supply.Power transmission controller, to judge whether the AC power source jack for expanding seat connects outside
Power supply, and judge whether other interfaces for expanding seat are electrically connected other power devices.Direct current adjusts circuit, in response to expansion
Filling seat has connection external power supply and will expand seat and switch to confession power mode, wherein confession power mode is to supply power to master by expansion seat
Machine, and in response to expand seat be not connected with external power supply and by expand seat switch to the mode of being powered, wherein be powered mode be by
Host supplying power is to expanding seat.Wherein, power transmission controller is further to have company in response to seat is expanded in confession power mode
It connects other power devices and seat will be expanded and switch to the first powering mode, expand seat and supply the first power to host, and, in response to
Expand seat to be not connected with other power devices and seat will be expanded and switch to the second powering mode, expands seat and supply the second power to master
Machine；And in being powered in mode, judge whether the power supply capacity of host is greater than predetermined threshold, in response to the power supply capacity of host
It is greater than predetermined threshold and other interfaces is switched into the first connecting interface to export the first electric current, and the power supply in response to host
Ability is less than or equal to predetermined threshold and other interfaces is switched to the second connecting interface to export the second electric current.Wherein,
Two power are greater than the first power, and the first electric current is greater than the second electric current.
Preferably, the expansion seat further comprises thermistor, to be powered in mode described in detection in described
Expand the Current Temperatures of seat, and the Current Temperatures are transmitted to the power transmission controller, wherein if the power transmission
Controller judges that the Current Temperatures are greater than predetermined temperature threshold, then the power transmission controller by it is described expand seat electricity
Power transmission output end switches to output the first supply electric current；If the power transmission controller judges that the Current Temperatures are less than
Or being equal to the predetermined temperature threshold, then the power transmission controller cuts the power transmission output end for expanding seat
Change output the second supply electric current into, wherein the second supply electric current is greater than the first supply electric current.
Preferably, the expansion seat further comprises Universal serial bus concentrator, to detect the expansion seat
Whether other described interfaces connect power device.
Be further understood that feature and technology contents of the invention to be enabled, please refer to below in connection with it is of the invention specifically
Bright and attached drawing, however provided attached drawing is merely provided for reference and description, is not intended to limit the present invention.
Detailed description of the invention
Fig. 1 is the expansion seat schematic diagram with dynamic power control technology of the invention.
Fig. 2 is the flow chart of dynamic power control technology of the invention.
Fig. 3 is another flow chart of dynamic power control technology of the invention.
Specific embodiment
It is by specific specific example below.Refering to fig. 1, the present invention has the expansion seat 1 of dynamic power control technology
It is electrically connected at host 100, expanding seat 1 includes: primary interface 2, other interfaces 3, other interfaces 31, power switch 32, exchange
Power supply (Alternating Current, AC) jack 4, exchange turn direct current (Alternating Current-Direct
Current, AC-DC) electric power supply unit (Power Supply Unit, PSU) 41, power transmission (Power Delivery,
PD) controller 5, direct current (DC) adjust circuit 6, universal serial bus (Universal Serial Bus, USB) 3.0 line concentrations
Device (Hub) 7 and thermistor 8.
In this present embodiment, the primary interface 2 for expanding seat 1 is USB-C interface, for being electrically connected at host 100.Expand
Other interfaces 3 of seat 1 are USB-A type (3.0) interface, are used for being electrically connected to that USB3.0 format and USB2.0 format can be supported
Other power devices 91.Other interfaces 31 for expanding seat 1 are high picture quantity multimedia interface (High-Definition
Multimedia Interface, HDMI), it is used for being electrically connected to that other power devices 92 of HDMI format can be supported.It is worth
It is noted that other interfaces 3 and other interfaces 31 are also possible to other interfaces, such as lightningTMOr
ThunderboltTM... etc., the present invention is limited not to this.Expand the AC jack 4 of seat 1 to be connected to external power supply 400.
External power supply 400 is generally the power supplies such as socket or mobile power source source.It is worth noting that, the electric power in the present embodiment
Though supply source is to be set to the outside for expanding seat 1, in other embodiments of the invention, power supply source can also electricity
The kenel in pond is set to the inside for expanding seat 1, and the present invention is limited not to this.
Referring to Fig.2, dynamic power control techniqueflow of the invention is realized by expansion seat 1 disclosed in Fig. 1.It takes
With refering to fig. 1 and Fig. 2, dynamic power control technology of the invention include the following steps.
Step S1: judge whether the AC jack 4 for expanding seat 1 connects outside by expanding the power transmission controller 5 of seat 1
Power supply 400.More precisely, the power transmission controller 5 for expanding seat 1 through the invention goes to detect whether that there are local electricity
Pressure, to determine whether the AC jack 4 for expanding seat 1 connects external power supply 400.If power transmission controller 5 detects this ground voltage
In the presence of, then judge expand seat 1 AC jack 4 be connected to external power supply 400, and then carry out step S11.If power transmission
The presence of this ground voltage is not detected in controller 5, then judges that expanding the AC jack 4 of seat 1 is to be not connected to external power supply 400, and connect
Carry out step S12.
Step S11: if judgement expands seat 1 and has connection external power supply 400, seat 1 will be expanded and switch to self-powered (Self-
Powered) mode, wherein confession power mode is to supply power to host 100 by expansion seat 1.More precisely, by expanding seat 1
Power transmission controller 5 linked up by collocation channel (Configuration Channel, CC) logical signal and host 100 and
It is produced from powering mode switching signal, and the DC by expanding seat 1 adjusts circuit 6 to incite somebody to action according to self-powered mode switching signal
Expand seat 1 and switches to confession power mode.
Step S12: if judgement expands seat 1 and is not connected with external power supply 400, expansion seat 1 is switched to and is powered (Bus-
Powered) mode, wherein the mode of being powered is to be supplied power to expand seat 1 by host 100.More precisely, by expanding seat 1
Power transmission controller 5 links up to generate by CC logical signal and host 100 is powered mode switching signal, and passes through expansion
The DC of seat 1 adjusts circuit 6 and switches to the mode of being powered for seat 1 is expanded according to mode switching signal is powered.
The several embodiments of dynamic power control technology disclosed in disclosure of the present invention are indicated with embodiment below.
Specially the present invention expands the confession power mode of seat and is powered several extension applications of mode.
Embodiment one
The first embodiment of the present invention is to confess a kind of extension application of power mode.Refering to fig. 1 and Fig. 2, in step S11
After (expand seat 1 and switch to confession power mode), dynamic power control technology of the invention further includes the following steps.
Step S21: in confessing under power mode, judge whether expand seat 1 by expanding the power transmission controller 5 of seat 1
Connect other power devices 91,92.More precisely, by expand seat 1 usb hub 7 come detect expand seat 1 other connect
Whether mouth 3 and other interfaces 31 connect other power devices 91,92, and pass through IC bus (Inter-
Integrated Circuit, I2C) Lai Tongzhi power transmission controller 5 is so that it makes a decision.
Step S211: if judgement expands seat 1 and there are other power devices 91,92 of connection, expand seat 1 and switch to the first power supply
Mode.Wherein, in the first powering mode, expand seat 1 and supply the first power to host 100.More precisely, in response to expansion
Other interfaces 3,31 of seat 1 connect other power devices 91,92, and usb hub 7 generates the first powering mode signal, and leads to
It crosses I2C and the first powering mode signal is sent to power transmission controller 5.Then, power transmission controller 5 is supplied according to first
Power mode signal will expand seat 1 and switch to the first powering mode.In general, the PSU 41 in practice is mostly to provide 65 watts
(W) power, the present embodiment just does example to use the PSU 41 of 65W, under the first powering mode, power transmission controller
5 controls expand 1 pair of host 100 of seat and provide the electric power (that is: the first power=50W) of about 50W.Because expanding seat 1 in addition also to connect
Other power devices 91,92 are connected to, electric power may need to shunt, therefore 1 pair of host of seat is expanded in the control of power transmission controller 5
100 provide relatively small electric power.It is worth noting that, expanding seat 1 is supplied to the electric power size of host 100 (that is: to master
The ability that machine 100 charges) watt level of the PSU 41 used is additionally depended on, and it is not only restricted to above-mentioned number.
Step S212: if judgement expands seat 1 and is not connected with other power devices, expand seat 1 and switch to the second powering mode.
Wherein, in the second powering mode, expand seat 1 and supply the second power to host 100.More precisely, in response to expansion seat 1
Other interfaces 3,31 do not connect other power devices, and usb hub 7 generates the second powering mode signal, and by I2C by the
Two powering mode signals are sent to power transmission controller 5.Then, power transmission controller 5 is according to the second powering mode signal
Seat 1 will be expanded and switch to the second powering mode.The present embodiment does example to use the PSU 41 of 65W, in the second power supply mould
Under formula, the control of power transmission controller 5 expands 1 pair of host 100 of seat and provides the electric power (that is: the second power=60W) of about 60W.
Because expanding seat 1 and being not connected with other power devices, electric power does not need to shunt, and generally can all be supplied to host 100, therefore electricity
The control of power transmission control unit (TCU) 5 expands 1 pair of host 100 of seat and provides relatively large electric power.It is provided it is worth noting that, expanding seat 1
The power for additionally depending on the PSU 41 used to the electric power size (that is: the ability to charge to host 100) of host 100 is big
It is small, and it is not only restricted to above-mentioned number.To sum up, the second power is greater than the first power.
Embodiment two
The second embodiment of the present invention is to confess that the another of power mode extends application.Refering to fig. 1, Fig. 2 and Fig. 3, Yu Bu
After rapid S11 (expand seat 1 and switch to confession power mode), dynamic power control technology of the invention further includes the following steps.
Step S31: the Current Temperatures for expanding seat 1 are detected by expanding the thermistor 8 of seat 1.More precisely, temperature-sensitive
Resistance 8 is transmitted Current Temperatures by universal input and output (General Purpose Input Output, GPIO) signal
To power transmission controller 5.
Step S32: power transmission controller 5 judges whether Current Temperatures are greater than predetermined temperature threshold, and passes through CC logic
Signal links up with host 100.
Step S321: if power transmission controller 5 judges that Current Temperatures are greater than predetermined temperature threshold, it is defeated to expand seat 1
First supply electric current out.More precisely, the output end of power transmission is switched to the first supply of output by power transmission controller 5
Electric current.For example, if the output electric current supplied for expanding seat 1 is 20 volts/3 amperes (20V/3A), in the present embodiment
In, the first supply electric current is 20V/2A.In other words, if thermistor 8 detects that the temperature for expanding seat 1 is excessively high, power transmission
The output end of power transmission is switched to the lesser electric current of supply by controller 5, is persistently overheated to avoid seat 1 is expanded.It is worth noting
, in the step of switching to output the first supply electric current, it is not necessary to interrupt the connection expanded between seat 1 and host 100, but
It is directly switched over by power transmission controller 5.
Step S322: if power transmission controller 5 judges that Current Temperatures are less than or equal to predetermined temperature threshold, expand
1 output the second supply electric current of seat, more precisely, the output end of power transmission is switched to output the by power transmission controller 5
Two supply electric currents.For example, if the output electric current supplied for expanding seat 1 is 20 volts/3 amperes (20V/3A), in this
In embodiment, the second supply electric current is maintained 20V/3A.In other words, if thermistor 8 detects the temperature of expansion seat 1 not
Excessively high, the output end of power transmission is switched to the biggish electric current of supply by power transmission controller 5.It is worth noting that, cutting
In the step of changing the first supply electric current of output or the second supply electric current into, it is not necessary to interrupt the company expanded between seat 1 and host 100
It connects, but is directly switched over by power transmission controller 5.For total, the second supply electric current is greater than the first supply electric current.
Embodiment three
The third embodiment of the present invention is a kind of extension application for the mode that is powered.Refering to fig. 1 and Fig. 2, in step S12
After (expand seat 1 and switch to the mode of being powered), dynamic power control technology of the invention further includes the following steps.
Step S22: in being powered under mode, the confession of host 100 is judged by expanding the power transmission controller 5 of seat 1
Whether electric energy power is greater than predetermined threshold.More precisely, the power transmission controller 5 for expanding seat 1 passes through CC logical signal and master
Machine 100 is linked up.In this present embodiment, the power supply capacity of host 100 is by taking 15W/7.5W as an example.In other words, power transmission controls
Device 5 is linked up by CC logical signal and host 100, to judge that the power supply capacity of host 100 is 15W or 7.5W.
Step S221: if judging, the power supply capacity of host 100 is greater than predetermined threshold, expands seat 1 and exports the first electric current.
More precisely, the power supply capacity in response to host 100 is greater than predetermined threshold (being in the present embodiment exactly 15W), then expands
Other interfaces 3 for expanding seat 1 are switched to first by GPIO signal, control power switch 32 by the power transmission controller 5 of seat 1
Connecting interface is to export the first electric current.It is worth noting that, other interfaces 3 in the present embodiment are USB-A type (3.0) interface,
It is used for being electrically connected to that other power devices 91 of USB3.0 format and USB2.0 format can be supported.In general, exist
Output under USB3.0 format is 5V/1.5A, and the output under USB2.0 format is 5V/0.5A.In other words, the present embodiment
In the first connecting interface be USB3.0 interface, and the first electric current is then 1.5A.
Step S222: if judging, the power supply capacity of host 100 is less than or equal to predetermined threshold, expands the output of seat 1 the
Two electric currents.More precisely, the power supply capacity in response to host 100 is less than (is exactly in the present embodiment equal to predetermined threshold
7.5W), then expand the power transmission controller 5 of seat 1 by GPIO signal, control power switch 32 by expand seat 1 other connect
Mouth 3 switches to the second connecting interface to export the second electric current.In other words, the second connecting interface in the present embodiment is USB2.0
Interface, and the second electric current is then 0.5A.To sum up, the first electric current is greater than the second electric current.It must be noted that and work as host
100 supply between 15W/7.5W switch when, the usb hub 7 for expanding seat 1 can switch virtual bus (Vbus) again
And link again.
According to above embodiments, the several embodiments of dynamic power control technology disclosed in disclosure of the present invention allow expansion
No matter it is all more flexible in confession power mode or the application being powered under mode to fill seat, also make the expansion for having dynamic power control technology
It is more competitive compared with the existing product of same type to fill seat.Furthermore if power transmission controller 5 and usb hub 7 used
GPIO lazy weight also can additionally add GPIO and expand part, or with microcontroller (Microcontroller Unit, MCU)
As the expansion of GPIO, upper relative resilient is used.
In conclusion the expansion seat of dynamic power control technology and tool dynamic power control technology through the invention,
It first detects host and expands the behaviour in service instantly of seat itself, dynamically adjust and switch suitable powering mode, it is ensured that expand
Fill seat can be normal and safe under the situation for the different hosts of arranging in pairs or groups operation, to meet the needs of user, in use
Also more effective compared with traditional approach and tool elasticity.
Content disclosed above is only preferred possible embodiments of the invention, not thereby limits to right of the invention and wants
The protection scope of book is sought, so all equivalence techniques variations done with description of the invention and accompanying drawing content, are both contained in
In the protection scope of claims of the present invention.
Claims (17)
1. a kind of dynamic power control technology, which is characterized in that the dynamic power control technology is suitable for one and expands seat and electricity
It is connected to the host for expanding seat, the dynamic power control technology includes:
S1: judge whether the expansion seat connects an external power supply by the power transmission controller for expanding seat；
S11: if judging, the expansion seat has the connection external power supply, and the expansion seat switches to a confession power mode,
Described in confession power mode be that the host is supplied power to by the expansion seat；
S21: under the confession power mode, the expansion seat is judged by the power transmission controller for expanding seat
Whether other power devices are connected；
S211: if judging that the expansion seat has connects other power devices, the expansion seat switches to one first powering mode,
Wherein, in the first powering mode of Yu Suoshu, the expansion seat supplies one first power to the host；
S212: if judging, the expansion seat is not connected with other power devices, and the expansion seat switches to one second powering mode,
Wherein, in the second powering mode of Yu Suoshu, expansion seat second power of supply to the host,
Wherein, second power is greater than first power.
2. dynamic power control technology according to claim 1, which is characterized in that judge the expansion in the step S1
The step of whether seat connects the external power supply, which may further comprise:, detects whether that there are one by the power transmission controller
This ground voltage come determine it is described expand seat an AC power source jack whether connect the external power supply, wherein if the electric power
Transmission control unit (TCU) detects that this ground voltage exists, then judges that the AC power source jack for expanding seat is that have connection described outer
Portion's power supply.
3. dynamic power control technology according to claim 1, which is characterized in that expand seat described in the step S11
The step of switching to the confession power mode further comprises: passing through a collocation channel logic by the power transmission controller
Signal and the host link up and generate a switching signal；And circuit is adjusted come basis by the direct current for expanding seat
The switching signal and switch to the confession power mode.
4. dynamic power control technology according to claim 1, which is characterized in that judge the expansion in the step S21
Fill that the step of whether seat connects other power devices further comprises: by the Universal serial bus concentrator for expanding seat
To detect whether described other interfaces for expanding seat connect power device.
5. dynamic power control technology according to claim 4, which is characterized in that the step S211 further comprises:
Power device is connected in response to other interfaces described in the expansion seat, the Universal serial bus concentrator generates one first
Powering mode signal, and the first powering mode signal is sent to by the power transmission control by an IC bus
Device processed, the power transmission controller are supplied according to the first powering mode signal the expansion seat is switched to described first
Power mode.
6. dynamic power control technology according to claim 4, which is characterized in that the step S212 further comprises:
Power device is not connected in response to other interfaces described in the expansion seat, and the Universal serial bus concentrator generates one second
Powering mode signal, and the second powering mode signal is sent to by institute by the IC bus for expanding seat
Power transmission controller is stated, the power transmission controller switches the expansion seat according to the second powering mode signal
To second powering mode.
7. dynamic power control technology according to claim 1, which is characterized in that the dynamic power control technology is into one
Step includes:
After S31: Yu Suoshu step S11, one that the expansion seat is detected by the thermistor for expanding seat is current
Temperature；
S32: judge whether the Current Temperatures are greater than a predetermined temperature threshold；
S321: if judging, the Current Temperatures are greater than the predetermined temperature threshold, one first supply of expansion seat output
Electric current；
S322: if judging, the Current Temperatures are less than or equal to the predetermined temperature threshold, the expansion seat output 1 the
Two supply electric currents,
Wherein, the second supply electric current is greater than the first supply electric current.
8. dynamic power control technology according to claim 7, which is characterized in that the dynamic power control technology is into one
Step includes:
After the step S31, the thermistor is transmitted the Current Temperatures by a universal input/output signal
To the power transmission controller；And
After the step S32, the power transmission controller by a collocation channel logical signal come with the host ditch
It is logical,
The step S321 further comprises: the power transmission output end for expanding seat being switched to output described first and is supplied
Electric current is answered,
The step S322 further comprises: the power transmission output end is switched into output the second supply electric current,
Wherein, the output first supply electric current is switched to be not necessary to interrupt with the step of electric current is supplied in output described second is switched to
The connection expanded between seat and the host.
9. a kind of dynamic power control technology, which is characterized in that the dynamic power control technology is suitable for one and expands seat and electricity
It is connected to the host for expanding seat, the dynamic power control technology includes:
S1: judge whether the expansion seat connects an external power supply by the power transmission controller for expanding seat；
S12: if judging, the expansion seat is not connected with the external power supply, and the expansion seat switches to one and is powered mode,
Described in be powered mode be by the host supplying power to the expansion seat；
S22: Yu Suoshu is powered under mode, judges the host by the power transmission controller for expanding seat
Whether one power supply capacity is greater than a predetermined threshold；
S221: if judging, the power supply capacity of the host is greater than the predetermined threshold, the expansion seat output 1 the
One electric current；
S222: if judging, the power supply capacity of the host is less than or equal to the predetermined threshold, and the expansion seat is defeated
One second electric current out,
Wherein, first electric current is greater than second electric current.
10. dynamic power control technology according to claim 9, which is characterized in that judge the expansion in the step S1
It fills that the step of whether seat connects the external power supply further comprises: detecting whether that there are one by the power transmission controller
This ground voltage come determine it is described expand seat an AC power source jack whether connect the external power supply, wherein if the electric power
The presence of this ground voltage is not detected in transmission control unit (TCU), then judges that the AC power source jack for expanding seat is not connected described
External power supply.
11. dynamic power control technology according to claim 9, which is characterized in that expand seat described in the step S12
The step of being powered mode described in switching to further comprises: passing through a collocation channel logic by the power transmission controller
Signal and the host link up and generate a switching signal；And circuit is adjusted come basis by the direct current for expanding seat
The switching signal and switch to and described be powered mode.
12. dynamic power control technology according to claim 9, which is characterized in that judge the master in the step S22
The step of whether power supply capacity of machine is greater than the predetermined threshold further comprises: the power transmission controller passes through one
Collocation channel logical signal and the host are linked up.
13. dynamic power control technology according to claim 12, which is characterized in that the step S221 is further wrapped
It includes: being greater than the predetermined threshold in response to the power supply capacity, the power transmission controller is defeated by a universal input
Described other interfaces for expanding seat are switched to one first connecting interface to export one first electric current by signal out.
14. dynamic power control technology according to claim 12, which is characterized in that the step S222 is further wrapped
It includes: being less than or equal to the predetermined threshold in response to the power supply capacity, the power transmission controller is universal by one
Described other interfaces for expanding seat are switched to one second connecting interface to export one second electric current by input/output signal.
15. a kind of expansion seat with dynamic power control technology, which is characterized in that the expansion seat includes:
One primary interface, to be electrically connected to a host；
One other interfaces, to be electrically connected other power devices；
One AC power source jack, to connect an external power supply；
One power transmission controller, to
Judge whether the AC power source jack for expanding seat connects the external power supply, and judges the institute for expanding seat
State whether other interfaces are electrically connected other power devices；And
One direct current adjusts circuit, to
There is the connection external power supply in response to the expansion seat and the expansion seat is switched into a confession power mode, wherein institute
State confession power mode be the host is supplied power to by the expansion seat, and
The external power supply is not connected in response to the expansion seat and the expansion seat is switched to one and is powered mode, wherein institute
State the mode of being powered be by the host supplying power to the expansion seat,
Wherein, the power transmission controller further to
In the confession power mode, there are other described power devices of connection in response to the expansion seat and cut the expansion seat
Shifting to one first powering mode, the expansion seat supplies one first power to the host, and, do not connect in response to the expansion seat
It connects other described power devices and the expansion seat is switched into one second powering mode, the expansion seat supplies one second power
The extremely host, and
It is powered in mode in described, judges whether a power supply capacity of the host is greater than a predetermined threshold, in response to described
The power supply capacity of host is greater than the predetermined threshold and other described interfaces is switched to one first connecting interface with defeated
One first electric current out, and in response to the power supply capacity of the host be less than or equal to the predetermined threshold and will it is described its
His interface switches to one second connecting interface to export one second electric current,
Wherein, second power is greater than first power, and first electric current is greater than second electric current.
16. the expansion seat according to claim 15 with dynamic power control technology, which is characterized in that the expansion seat
It further comprise a thermistor, to detect the Current Temperatures for expanding seat in mode in described be powered, and by institute
It states Current Temperatures and is transmitted to the power transmission controller,
Wherein, if the power transmission controller judges that the Current Temperatures are greater than a predetermined temperature threshold, the electric power
The power transmission output end for expanding seat is switched to one first supply electric current of output by transmission control unit (TCU),
If the power transmission controller judges that the Current Temperatures are less than or equal to the predetermined temperature threshold, the electricity
The power transmission output end for expanding seat is switched to one second supply electric current of output by power transmission control unit (TCU),
Wherein, the second supply electric current is greater than the first supply electric current.
17. the expansion seat according to claim 15 with dynamic power control technology, which is characterized in that the expansion seat
Further comprise:
One Universal serial bus concentrator, to detect whether other interfaces described in the expansion seat connect power device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811358277.6A CN109491493B (en) | 2018-11-15 | 2018-11-15 | Dynamic power control technique and docking station with dynamic power control technique |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811358277.6A CN109491493B (en) | 2018-11-15 | 2018-11-15 | Dynamic power control technique and docking station with dynamic power control technique |
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| CN109491493A true CN109491493A (en) | 2019-03-19 |
| CN109491493B CN109491493B (en) | 2022-03-04 |
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| CN109491493B (en) | 2022-03-04 |
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