CN101820171A - Power supply method and power supply conversion device - Google Patents
Power supply method and power supply conversion device Download PDFInfo
- Publication number
- CN101820171A CN101820171A CN200910300560A CN200910300560A CN101820171A CN 101820171 A CN101820171 A CN 101820171A CN 200910300560 A CN200910300560 A CN 200910300560A CN 200910300560 A CN200910300560 A CN 200910300560A CN 101820171 A CN101820171 A CN 101820171A
- Authority
- CN
- China
- Prior art keywords
- power supply
- power
- electronic installation
- module
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a power supply conversion device and a power supply method applied to the same. The power supply conversion device is used for providing a DC power supply for an electronic device. The power supply method receives a control signal corresponding to the power supply state of the electronic device and controls the receiving of the AC power supply according to the received control signal so as to control the power supply and reduce electricity consumption.
Description
Technical field
The present invention is about a kind of power supply provisioning technique, particularly a kind of power supply method and power supply change-over device.
Background technology
Electronics technology is constantly innovated progress at present, and the improvement that constantly progresses greatly, and exploitation constantly or improvement notebook computer, use the every demand that satisfies people that reaches, yet, no matter people must be dependent on the convenience that notebook computer brings, so notebook computer are indispensable for the people that need often use on the living conditions or in the work.
The user is connected to notebook computer with the AC power transducer, carries out AC power and transfers direct current power supply to notebook computer, so that the AC power transducer can be allowed outside the notebook computer normal operation, also can carry out electric power storage to the battery of notebook computer.
And the user is using notebook computer to finish or in not using under the open state under the situation of notebook computer, be not connected to the joint of notebook computer or pull out the plug that the AC power transducer is inserted to general mains power socket if pull out the AC power transducer, the AC power transducer is at power supply indicator light yellow also, no matter whether the electric power storage of the battery of notebook computer is finished, under holding state with continued power to notebook computer, electric consumption still not like this, and the user is not using under the situation of notebook computer, promptly be convenient under the off-mode, the AC power transducer continues to supply power to notebook computer, and is quite unfavorable in electricity consumption concerning the user.
Therefore, how to solve the problem of known techniques, in fact the problem that needs to be resolved hurrily for industry.
Summary of the invention
In view of the problem of above-mentioned known techniques, the invention provides a kind of power supply supply and power supply method of saving energy and power supply change-over device controlled.
Power supply method provided by the present invention is applied to power supply change-over device, includes the following step.
At first, reception is corresponding to the control signal of the power supply status of electronic installation.
Reception according to the control signal control AC power that receives.Wherein, when the power supply status of electronic installation is the startup electronic installation, the reception of opening the beginning AC power.Or when the power supply status of electronic installation is the pass closing electronic device, cut off the reception of AC power.
In this, the AC power that receives can convert DC power supply to, and then exports to the electronic installation that power supply change-over device connects.
Wherein when receiving control signal, detect the output that responds DC power supply and the electric current that produces, the magnitude of current of confirming electric current begins to count scheduled time value less than rated value, when reaching scheduled time value, then cuts off the reception of AC power.
Power supply change-over device provided by the present invention is applicable to the connection electronic installation, to provide DC power supply to electronic installation.
Power supply change-over device comprises input, output, power transfer module and monitoring module.
Input is electrically connected at output, and power transfer module electrically connects between input and the output.
One end of monitoring module sees through switch module and electrically connects between input and the power transfer module, and the other end is electrically connected at electronic installation.
Control assembly is electrically connected at switch module, and the time counting assembly is electrically connected at control assembly.One end of sensing component is electrically connected at the time counting assembly, and the other end then is electrically connected to output.
Input receives AC power, AC power is sent to power transfer module converts DC power supply to, and DC power supply is exported by output.
Monitoring module receives the control signal of the power supply status of respective electronic device, and controls the reception of AC power according to control signal.
Wherein monitoring module comprises switch module, sensing component, control assembly and time counting assembly.
When the power supply status of electronic installation was the pass closing electronic device, monitoring module received the control signal of closing.Then the sensing component of monitoring module is detected the current generated magnitude of current in the output DC source of output.
When the magnitude of current of sensing component detecting output current continued less than rated value, the time counting assembly was then counted scheduled time value.
Reach scheduled time value at counting, the AC power that control assembly control switch assembly cuts off input receives.
In the counting process that the time counting assembly is worth at the fixed time, when the power supply status of electronic installation was the startup electronic installation, monitoring module received the control signal of startup.The AC power that the control assembly control switch assembly of monitoring module opens the beginning input receives, and the magnitude of current of sensing component detecting output current is not less than rated value, and the time counting assembly stops the counting of scheduled time value.
In sum, power supply method that the present invention took off and power supply change-over device are applied to power supply change-over device, and power supply change-over device provides DC power supply to electronic installation.By the control signal that receives corresponding to the power supply status of electronic installation, continue according to the reception of the control signal control AC power that receives, the AC power that will receive that continues converts DC power supply to, the output that continues again change DC power supply, reach control power supply supply and saving energy.
Above about content of the present invention explanation and the explanation of following execution mode in order to demonstration with explain spirit of the present invention and principle, and provide patent claim of the present invention further to explain.
Description of drawings
Fig. 1 is the circuit block diagram of electronic installation of the present invention;
Fig. 2 is the circuit block diagram of power supply change-over device of the present invention;
Fig. 3 is the embodiment flow chart of power supply method of the present invention; And
Fig. 4 is the embodiment flow chart of power supply method step 210 of the present invention.
Embodiment
Below in execution mode, be described in detail detailed features of the present invention and advantage, its content is enough to make any related art techniques person of haveing the knack of to understand technology contents of the present invention and implements according to this, and according to the disclosed content of this specification, claims and graphic, any related art techniques person of haveing the knack of can understand purpose and the advantage that the present invention is correlated with easily.Following embodiment further describes viewpoint of the present invention, but non-to limit category of the present invention anyways.
See also Fig. 1, be the circuit block diagram of electronic installation of the present invention.Electronic installation 20 as shown in Figure 1 includes power switching module 21, Keyboard Control module 22, charging module 23, control module 24, battery module 25 and power module 26.
Please refer to Fig. 2, be the circuit block diagram of power supply change-over device of the present invention.Power supply change-over device 10 as shown in Figure 2 is used to connect electronic installation 20, and seeing through transmission line 28 provides DC power supply to electronic installation 20, and power supply change-over device 10 comprises: input 100, output 120, power transfer module 140 and monitoring module 160.
Input 100 can be attaching plug, but not as limit, input 100 also can be the mains charger of Miniature Power Unit charger, mobile phone etc. in addition.Input 100 is connected in the socket of general civil power, receives the AC power of general civil power.
Output 120 can be the power supply out splice going splice, but not as limit.Output 120 is connected to electronic installation 20, sees through transmission line 28 DC power supply is exported to electronic installation 20.
Power transfer module 140 is electrically connected between input 100 and the monitoring module 160.Power transfer module 140 converts the AC power that input 100 receives to DC power supply, and DC power supply is exported to electronic installation 20 through transmission line 28 by output 120.
Monitoring module 160 sees through the control signal that holding wire 27 receives corresponding to the power supply status of electronic installation 20, and controls the reception of AC power according to the control signal that receives.Wherein monitoring module 160 comprises switch module 162, sensing component 164, time counting assembly 166 and control assembly 168.
Switch module 162 is electrically connected between input 100 and the power transfer module 140, opens the reception of beginning or cut-out input 100 AC power according to control signal.
Sensing component 164 can be current sensing resistor, but not as limit.The output state of DC power supply on the sensing component 164 sensing outputs 120, whether lasting with the magnitude of current of detecting output current less than rated value.
Time counting assembly 166 can be time counter.When time counting assembly 166 continues less than rated value at the magnitude of current of sensing component 164 sensing outputs 120 output currents, begin to carry out the counting of scheduled time value.In Zhi the counting process, the magnitude of current of sensing component 164 sensing outputs 120 output currents is greater than rated value at the fixed time, and 166 of time counting assemblies stop the countings that the scheduled time is worth.
The control signal of control assembly 168 for being received according to monitoring module 160, the reception of switch module 162 being opened beginning or cut-out input 100 AC power.
When the power supply status of electronic installation 20 when closing, control assembly 168 meetings are according to the output state of the magnitude of current of control signal of closing and sensing component 164 sensing outputs 120 output currents and the time counting state of time counting assembly 166, and control switch assembly 162 cuts off the reception of AC power.
When the power supply status of electronic installation 20 for closing, when but charging module 23 is confirmed to carry out charging procedure, then charging module 23 carries out communication with Keyboard Control module 22, power with 10 pairs of electronic installations 20 of control power supply change-over device, be that control assembly 168 can be according to 162 conductings of control of turning Signal-controlled switch assembly, with the electric power transfer of power transfer module 140 to output 120.
When the power supply status of electronic installation 20 for closing, and when charging module 23 is confirmed to need not to carry out charging procedure, then charging module 23 carries out communication with Keyboard Control module 22, stop power supply by 10 pairs of electronic installations 20 of holding wire 27 control power supply change-over devices, promptly control switch assembly 162 cuts off the reception of AC power; In this enforcement, this holding wire 27 is the reception of control switch assembly 162 cut-out AC power after postponing a period of time by sensing component 164, and the start of sensing component 164 please be held aftermentioned.
In addition, when the power supply status of electronic installation 20 when closing, monitoring module 160 receives from the control signal of electronic installation 20 corresponding to the power supply status of electronic installation 20, see through sensing component 164 then and confirm whether charging procedure is finished, determine whether cutting off the reception of AC power, stop power supply with 10 pairs of electronic installations 20 of control power supply change-over device.If sensing component 164 senses no current output or output current continues less than rated value, the expression charging procedure is finished, 160 receptions of cutting off input 100 AC power of monitoring module.When if sensing component 164 has sensed electric current output, the expression charging procedure is not finished, and then monitoring module 160 postpones cutting off the reception of AC power, and promptly power supply change-over device 10 continues electronic installation 20 is powered; And sense no current output or output current when continuing less than rated value in sensing component 164, monitoring module 160 cuts off the reception of AC power again.
When the power supply status of electronic installation 20 was unlatching, control assembly 168 can open the reception of beginning input 100 AC power according to control of turning Signal-controlled switch assembly 162.
See also Fig. 3, be the embodiment flow chart of power supply method of the present invention.
This power supply method is applied to power supply change-over device, and this power supply change-over device is in order to provide the electronic installation of DC power supply to it connected.At first carry out the control signal (step 200) that receives corresponding to the power supply status of electronic installation, control the reception (step 210) of AC power again according to the control signal that receives, then, convert the AC power that receives to DC power supply (step 220), at last, output change DC power supply (step 230).
See also Fig. 4, be the embodiment flow chart of power supply method step 210 of the present invention.
At first, when the power supply status of electronic installation is the pass closing electronic device, carry out the charging procedure (step 211) of battery module, then, receiving control signal, the electric current (step 212) of detecting the output of response DC power supply and producing, follow again, whether the magnitude of current of judging electric current less than rated value (step 213), and when the magnitude of current during less than rated value, the expression battery module has been finished charging procedure, begin to count scheduled time value (step 214), judge whether scheduled time value arrives (step 215), when the scheduled time, value arrived, cut off the reception (step 216) of AC power.In addition, when the magnitude of current during less than rated value, the expression battery module has been finished charging procedure, also can directly cut off the reception of AC power this moment, in other words, can omit step 214 and step 215.
Wherein, when the magnitude of current of electric current greater than rated value, the expression battery module is not finished charging procedure, then proceeds the charging procedure of battery module and continues to judge that whether the magnitude of current of electric current is less than rated value.
Below lifting a concrete instance explains, with the notebook computer is example, the one end attaching plug (being aforementioned input 100) of power supply unit (being aforementioned power source conversion equipment 10) is connected to the supply socket of general civil power, receive the AC power that supply socket provides, other end power connection (being aforementioned output 120) is connected to notebook computer (being aforementioned electronic 20), the power supply changeover device (being aforementioned power source modular converter 140) that sees through in the power supply unit (being aforementioned power source conversion equipment 10) changes the AC power that receives into DC power supply, gives notebook computer (being aforementioned electronic 20) by power connection (being aforementioned output 120) output DC source.
Power-supply controller of electric (being aforementioned monitoring module 160) in the power supply unit (being aforementioned power source conversion equipment 10) is electrically connected between attaching plug (being input 100) and the power supply changeover device (being aforementioned power source modular converter 140), and power line (being transmission line 28), the control data line (being holding wire 27) that sees through in the power connection (being aforementioned output 120) is connected with notebook computer (being aforementioned electronic 20) again.
The user closes the power supply of notebook computer (being aforementioned electronic 20), make the power supply status of notebook computer (being aforementioned electronic 20) produce the control signal of closing, see through the control data line control signal of closing is sent to power supply unit (being aforementioned power source conversion equipment 10).
Whether power-supply controller of electric (being aforementioned monitoring module 160) receives the control signal of closing, continued less than 2mA by the current generated magnitude of current in current sensing resistor (being aforementioned sensing component 164) detecting output DC source.
The magnitude of current of current sensing resistor (being aforementioned sensing component 164) detecting output current continues less than 2mA, and time counter (being aforementioned time counting assembly 166) begins to carry out 3 minutes time counting.
Time counter (being aforementioned time counting assembly 166) is after time counting is finished, then controller (being aforementioned control assembly 168) is according to control signal of cutting out and current sensing resistor (being aforementioned sensing component 164) detecting output current state, and control switch device (being aforementioned switches assembly 162) cuts off the reception of AC power.
Time counter (being aforementioned time counting assembly 166) is in the time counting process, the user starts the power supply of notebook computer (being aforementioned electronic 20), make the power supply status of notebook computer (being aforementioned electronic 20) produce the control signal that starts, see through the control data line control signal that starts is sent to power supply unit (being aforementioned power source conversion equipment 10).
Controller (being aforementioned control assembly 168) makes AC power convert DC power supply to via power supply changeover device (being aforementioned power source modular converter 140) according to the reception that the control signal control switch device (being aforementioned switches assembly 162) that starts opens the beginning AC power.
The magnitude of current of current sensing resistor (being aforementioned sensing component 164) detecting output current continues greater than 2mA, then time counter (the being aforementioned time counting assembly 166) counting of termination time is immediately given notebook computer (being aforementioned electronic 20) with direct current power supply.
In sum, power supply method and power supply change-over device are connected in electronic installation, provide DC power supply to electronic installation.Receive AC power by input, the output output DC that continues stream, continue power transfer module is connected between input and the output, convert DC power supply to the AC power that input is received, continuing will be received corresponding to the control signal of the power supply status of electronic installation and according to the reception of control signal control AC power by monitoring module again, use control power supply supply and save energy.
Though the present invention discloses as above with aforesaid embodiment, so it is not in order to limit the present invention.Without departing from the spirit and scope of the present invention, change of doing and retouching all belong to scope of patent protection of the present invention.Please refer to appending claims about the protection range that the present invention defined.
Claims (6)
1. a power supply method is used and power supply change-over device, and this power supply change-over device provides and is detained power supply to electronic installation, it is characterized in that this method comprises:
This power supply change-over device receives the control signal corresponding to the power supply status of this electronic installation;
This power supply change-over device is according to the reception of this control signal control AC power that receives, wherein this power supply status when this electronic installation is when starting this electronic installation, then open the reception of this AC power of beginning, when this power supply status of this electronic installation is when closing this electronic installation, to cut off the reception of this AC power.
2. power supply method according to claim 1 is characterized in that, the step of the reception of this control signal control AC power that this foundation receives also comprises:
During less than rated value, cut off the reception of this AC power in the magnitude of current of this electric current.
3. power supply method according to claim 2 is characterized in that, when being to receive this control signal, after the step of the output of this DC power supply of detecting response and the electric current that produces, includes the following step:
Whether the magnitude of current of judging this electric current is less than rated value;
During less than this rated value, begin to count scheduled time value in the magnitude of current of this electric current; And
When reaching this during value, cut off the reception of this AC power scheduled time.
4. a power supply change-over device is applicable to the connection electronic installation, is detained power supply to this electronic installation to provide, and it is characterized in that this power supply change-over device comprises:
Input is in order to receive AC power;
Output is in order to export this DC power supply;
Power transfer module is connected between this input and this output, converts this DC power supply in order to this AC power that will receive; And
Monitoring module, wherein this monitoring module comprises switch module, is connected between this input and this power transfer module; Sensing component is in order to the output state of this output of sensing; And control assembly, in order to control this switch module according to this control signal and this output state of sensing; This monitoring module receives corresponding to the control signal of the power supply status of this electronic installation and controls the reception of this AC power according to this control signal, wherein this power supply status when this electronic installation is that this control assembly causes this switch module conducting according to this control signal when starting this electronic installation; And when this power supply status of this electronic installation when closing this electronic installation, this control assembly causes this switch module to cut off according to this control signal.
5. power supply change-over device according to claim 4 is characterized in that, when this magnitude of current by this sensing component during less than rated value, this control assembly is controlled this switch module and cut off.
6. power supply change-over device according to claim 5, it is characterized in that this monitoring module comprises: the time counting assembly begins counting when continuing less than this rated value in this magnitude of current, and when counting is finished, cause this control assembly to control this switch module and cut off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910300560A CN101820171A (en) | 2009-02-26 | 2009-02-26 | Power supply method and power supply conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910300560A CN101820171A (en) | 2009-02-26 | 2009-02-26 | Power supply method and power supply conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101820171A true CN101820171A (en) | 2010-09-01 |
Family
ID=42655158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910300560A Pending CN101820171A (en) | 2009-02-26 | 2009-02-26 | Power supply method and power supply conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101820171A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638083A (en) * | 2011-02-10 | 2012-08-15 | 纬创资通股份有限公司 | Electronic device and power supply management method thereof |
| CN102866363A (en) * | 2012-09-11 | 2013-01-09 | 圆刚科技股份有限公司 | Detection device and detection method |
| CN103888001A (en) * | 2012-12-20 | 2014-06-25 | 仁宝电脑工业股份有限公司 | Power Conversion Apparatus |
-
2009
- 2009-02-26 CN CN200910300560A patent/CN101820171A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638083A (en) * | 2011-02-10 | 2012-08-15 | 纬创资通股份有限公司 | Electronic device and power supply management method thereof |
| CN102638083B (en) * | 2011-02-10 | 2014-07-09 | 纬创资通股份有限公司 | Electronic device and power supply management method thereof |
| US8823327B2 (en) | 2011-02-10 | 2014-09-02 | Wistron Corporation | Electrical device and battery management method thereof |
| CN102866363A (en) * | 2012-09-11 | 2013-01-09 | 圆刚科技股份有限公司 | Detection device and detection method |
| CN103888001A (en) * | 2012-12-20 | 2014-06-25 | 仁宝电脑工业股份有限公司 | Power Conversion Apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202565178U (en) | Power supply adapter device | |
| TW201014112A (en) | Power adapter and charging method | |
| US20080290731A1 (en) | Energy Efficient Power Supply | |
| CN102201747B (en) | Voltage converting equipment | |
| CN203135541U (en) | Apparatus with wireless mobile charging function | |
| CN102656768A (en) | Standby power reduction device | |
| CN104796011A (en) | Charging method, AC adapter, charging managing device and terminal | |
| CN201181916Y (en) | Multifunctional solar power generation system | |
| CN102130488A (en) | Intelligent low power consumption power adapter | |
| CN102984336A (en) | Mobile terminal and realizing method of temperature intelligent control thereof | |
| CN201312131Y (en) | Cell phone charging circuit and cell phone battery charging system | |
| CN103108079A (en) | Mobile phone with solar charging function and charging method thereof | |
| US8810207B2 (en) | Communication systems and methods for transmitting communications between a charge system and an AC adapter | |
| CN101820171A (en) | Power supply method and power supply conversion device | |
| CN201690259U (en) | Energy-saving charger | |
| CN209434907U (en) | A kind of back splint battery | |
| EP2618453B1 (en) | Intelligent wall-type charger | |
| CN206002597U (en) | A kind of house system according to electrical equipment electricity consumption situation intelligent control | |
| CN108023353A (en) | A kind of family's centralization polymorphic type electric energy outgoing management system | |
| CN101471462A (en) | Method for oppositely charging mobile phone battery | |
| CN211655788U (en) | Charging device capable of switching charging mode and cutting off standby power consumption | |
| CN208015010U (en) | Automatic open close power supply adaptor | |
| CN104423275A (en) | System voltage control device, method and terminal | |
| CN202721481U (en) | Novel wireless charger | |
| CN201749151U (en) | Miniature digital electric meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100901 |