CN1157957A - Method and device for personal computer green communication - Google Patents
Method and device for personal computer green communication Download PDFInfo
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- CN1157957A CN1157957A CN 95115490 CN95115490A CN1157957A CN 1157957 A CN1157957 A CN 1157957A CN 95115490 CN95115490 CN 95115490 CN 95115490 A CN95115490 A CN 95115490A CN 1157957 A CN1157957 A CN 1157957A
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Abstract
A new energy-saving method for PC features that the power supply of PC is controlled by start and end signals of PC communication, that is, when start signal of communication is received, its power supply is turned on, and when communication has finished, it is automatically turned off. Said function is completed by a green communication circuit GCC and automatic loading of PC communication software.
Description
Technical field: computing machine energy saver (G06F, 1/32)
Background technology: personal computer is used for communication, as file transfer (file transfer), computer fax (PC fax), voice mail (voice mail) is the important application trend of external personal computer in recent years.
Present personal computer communication system, usually by personal computer (PC), interpolation or external communication board (modem/fax/voice board), communication software and telephone communicating channel are formed.They could guarantee that communication carries out at any time only when take over party's PC and communication board thereof are in open state all the time, and this will expend the more energy.
In order to save the energy resource consumption of personal computer, and improve environment for use, Environmental Protection Agency (EPA) is initiated " green computer " motion in recent years, has formulated " Energy Star " plan.
The mainboard of " green computer " uses special-purpose BIOS chip and green chipset.If the user does not bump keyboard or mouse in sometime, mainboard will reduce the power consumption of computing machine and peripheral hardware (display, hard disk and printer etc.) automatically, make it be in dormant state.In case user touches key dish or mouse, mainboard can recover normal operating condition again automatically.The computing machine and the peripheral hardware that meet " Energy Star " standard, when dormant state, its power consumption is no more than 30 watts.
The purpose of invention: the present invention is an additional and development for the green computer technology, and it also provides an energy saver mode for compunication.
The green computer technology makes personal computer auto sleep when pausing operation; The present invention allows personal computer at night or daytime safety shutdown during unmanned the use, and opens automatically when communication again, and the automatic reception communication information.
The green computer technology makes the energy resource consumption of personal computer reduce about 60% (reducing to 30 watts by 80 watts usually); The present invention can make the energy resource consumption of personal computer be reduced to 99% (reducing to below 0.2 watt by common 80 watts)
Technical scheme: content of the present invention comprises two parts of hardware and software.
Hardware components is a circuit, and it is used for the initial sum termination signal by compunication, opens and closes automatically computer power supply, is referred to as green communications circuit GCC (Green Communication Circuit)
Software section is the automatic loading of communication software, and it loads corresponding communication software automatically according to communication type (file transfer/computer fax/voice mail).Be respectively described below green communications circuit GCC now:
The effect of green communications circuit GCC in computer communication system, as Fig. 1: GCC shown in the effect in the PC communication system.
GCC is attempted by on the telephone channel with the communication board of personal computer, and it receives the signal from telephone channel, and control is added in the AC power on personal computer and the communication board.
Green communications circuit GCC is made up of 5 parts, and its circuit block diagram is shown in the circuit block diagram of Fig. 2: GCC.
The initiation of communication signal deteching circuit: transmit leg PC and take over party PC set up communication link and begin transmission information, be that communication board from the take over party enters " off-hook " (off hook) state, (award on debit's telephone channel voltage by-48V saltus step to-6V) initial.But when powering up owing to the PC end, PC can not transmit TR signal (TerminalReady) to its communication board, and its communication board can't advance people's " off-hook " state, and therefore " off-hook " signal here can not detect and control as the start signal of communication.
No matter carry out any communication (file/fax/voice), the communication board and the GCC that award the debit will at first receive ringdown from telephone channel, (25Hz, 90 ± 15V continues 4 seconds intermittently sine waves of 1 second), in the present invention, we detect this ringdown as the initiation of communication signal.Its testing circuit is as Fig. 3: shown in the initiation of communication signal deteching circuit.
C cuts off direct current among the figure, and R is a matched load, and U is a photocoupler, V
DDBe direct supply voltage.When no ringdown, the optocoupler pipe is a cut-off state, and the A point is a high level.When ringdown arrived, its negative half-cycle signal was by the D elimination, and its positive half cycle signal makes the conducting of optocoupler pipe, and the A point is a low level.
After end of communication signal testing circuit: PC and communication board thereof power up, follow-up ringdown will make communication board enter " off-hook " state, and the voltage on take over party's telephone channel is become-6V by-48V.
When sign off, no matter the sort of communication type (file/fax/voice), communication board will enter the on-hook state, and the voltage on take over party's telephone channel will jump back to-48V from-6V.This voltage jump just can be used as end of communication signal.
During sign off, the information of receiving in the calculator memory still has little time to deposit in hard disk, therefore, can not make computer circuit breaking immediately, needs suitable time-delay (for example 30 seconds), powered-down again.
The testing circuit of end of communication signal is as Fig. 4: shown in the end of communication signal testing circuit.
Among the figure ,+V
DDBe direct supply voltage.The left side is the bridge type rectification circuit, be used to make telephone exchange-the 48V/-6V level, be transformed to that a orders+the 48V/+6V level.U is a photocoupler, and D is in order to the threshold value of bed hedgehopping optocoupler pipe input end, R
1And R
2Be divider resistance so that a point be+during 48V, the abundant conducting of optocoupler pipe, at a point be simultaneously+during 6V, the optocoupler pipe fully ends, thereby the b point export one opposite with a point direction 0 →+V
DDShort pulse.The output waveform that b is ordered after time-delay, differential and anti-phase amplification, one 0 of B point output →+V
DDShort pulse.The waveform that a, b, c, d and B are ordered is as Fig. 5: in the end signal testing circuit shown in the each point wavelength.
Fig. 5: d is ordered among the each point wavelength in the end signal testing circuit+h, be the bias voltage of phase inverter (transistor collector output circuit) base stage.This voltage makes from the positive pulse signal of differentiating circuit inoperative, and undersuing produces a positive pulse output.
The on-off circuit of on-off circuit and control circuit: GCC and control circuit are shown in the control and on-off circuit of Fig. 6: GCC.
On-off circuit is in order to the opening and closing of direct control computer and communication board AC power (110V/220V) thereof.Shown in right part in the control of Fig. 6: GCC and the on-off circuit.
Wherein: L represents load (computing machine and communication board thereof).A M and a photoconductive tube switch (solid-state relay), wherein 1 and 2 pin are the DC control end, 3 with 4 pin for exchanging end, N is a switch triode.D is protection diode (in order to the protection solid-state relay, making it not flow through big electric current in the moment of cutting off the power supply).S is a switch.
When S places S
0The power supply of computing machine and communication board thereof is directly awarded in position, AC power.This power supply (GCC) is by bypass fully.
When S places S
1Position, the AC power of computing machine and communication board thereof are subjected to the direct control of on-off circuit.When control circuit is output as high level, switching tube N conducting, also conducting of solid-state relay M, the AC power that is equivalent to computing machine (and communication board) are opened.When control circuit was output as low level, switching tube N ended, also not conducting of solid-state relay, and the AC power that is equivalent to computing machine and communication board thereof is closed.
The control circuit circuit is a trigger flip-flop that is made of NE555.Control circuit, just opens when the communication commencing signal arrives, and just cuts out behind sign off and suitable time-delay so that the AC power of computing machine is in closed condition at ordinary times with so that on-off circuit moves by correct logical relation.
One of them input end (2 pin) is connected letter start signal testing circuit input end A, and another input end (6 pin) is connected letter end signal testing circuit input end B.Output terminal C (3 pin) is connected to the input of on-off circuit.4 pin are reset terminal.Get R
1C
1Less than 0.1 second, when powering up originally, capacitor C
1Last voltage is 0, and making output terminal C is 0.0.1 a second back C becomes high level, the logical relation between these trigger flip-flop input and output is as shown in the table:
| ????A | ????B | ????C |
| ????0 | 0 or 1 | ????1 |
| ????1 | ????1 | ????0 |
| ????1 | ????0 | Keep ortho states |
Before ringdown did not arrive, the original state of output terminal C was 0.
When ringdown arrived, first positive half cycle signal made A become 0, and C becomes 1, thereby AC power is opened.After ringdown was negative half period and ring end, though A becomes 1, this moment, E still was 0 (normality of B is 0), so C still keeps 1 attitude.
When communication finish and suitable time-delay after, E is positive pulse output (the B transient state is 1), thus the time A be 1.So C is 0, computer power supply is closed.After this, though B becomes 0, because of A still is 1, so C still keeps 0 attitude, the power supply of computing machine still continues to close, and begins until next communication.
The direct supply V of this circuit (GCC)
DD: the direct supply V of GCC
DDProduce by AC power (110V/220V) rectifying and voltage-stabilizing.Switch S in the on-off circuit places S
0The time, also not to the GCC power supply, GCC's AC power quits work.
V
DDBe taken as 9V/12V, its DC load is mainly the drive current of solid-state relay, and less than 15mA, so the energy resource consumption of this circuit (GCC) is less than 0.2 watt.
The automatic loading of communication software: the automatic loading of communication software, different with the difference of communication hardware (modem/fax/voice communication board) function.
The most of communication hardware that is using at present is for having the communication board of modem/fax function concurrently.They both can be used for modem, also can be used for fax, but need be predisposed to a kind of operator scheme, and identification communication pattern is automatically carried out the switching of receiving mode automatically.Because popularity and simplification that PC fax uses need be predisposed to the fax pattern mostly.
For this application mode, need the order win that will start MS Windows to be placed in the Autoexec.bat file, again fax software is placed in the Startup group of Windows.
In this case, when ringdown one, PC is powered up automatically, and MS Windows and fax software can be started automatically.Can move but power up communication software, need for 1 on minute time approximately from PC.And because ringdown generally can only continue 1 minute, therefore, call out the first time of transmit leg and often can not make the circuit connection.(because take over party's PC communication software still can not be given communication hardware Terminal Ready cry of certain animals signal TR, communication hardware can not enter " off-hook " state).For this reason, need the fax communication software that the function of calling out is again automatically arranged, (general fax software all has this function), and should be set to two minutes interval time.
Novel communication hardware in recent years has modem/fax/voice kind function concurrently, and can communicate the identification and the switching of pattern automatically.
For this applied environment,, need the corresponding Auto Loader of establishment for carrying out green communications.Its block diagram is as Fig. 7: shown in the Auto Loader block diagram.
For this applied environment, communication software needs the function of calling out again automatically equally. and should be set to 2 minutes interval time.
The benefit of invention: the present invention makes personal computer (the present PC with communication function, major part all has this function), when unmanned, (when daytime, personnel went to work as night or home PC) can place off-mode (Power Off), in case when having signal of communication to arrive, it can power up automatically, and automatic reception, in case communication finishes, it can cut off the power supply again automatically.Thereby be the use of personal computer, new and a very effective energy saver mode are provided.
The Green PC that meets " Energy Star " standard, it uses power, in the time of can reducing to dormancy by common 80 watts 30 watts, energy-conservation 60%.The present invention can make the use power of PC, and when during by common 80 watts or dormancy 30 watts are reduced to shutdown again 0.2 watt can save energy more than 99%.
Implementation method: implement the present invention, can adopt following two kinds of different modes respectively:
GCC is placed in the power board of PC outside, the power supply of computing machine and communication board thereof can be inserted on this power board.This embodiment is applicable to existing common PC or Green PC.
With the ingredient of GCC as Green PC self power circuit.This embodiment is applicable to the PC that design is new.Circuit block diagram Fig. 3 of the action diagram 2:GCC of Fig. 1: GCC in the PC communication system: initiation of communication signal deteching circuit Fig. 4: end of communication signal testing circuit Fig. 5: the control of each point oscillogram 6:GCC and on-off circuit Fig. 7 in the end signal testing circuit: Auto Loader block diagram
Claims (4)
1. new computing machine energy saver mode.The Qi Te emblem is: personal computer is when waiting for communications reception, and the open and close of its power supply are subjected to the control of initiation of communication and end signal.When the initiation of communication signal arrived, its power supply was opened automatically, and communicates reception automatically, and behind sign off, its power supply is closed automatically.Promptly wait for the PC of communication, only in the time period of practical communication, just powered up automatically.
2. realize the green communications circuit of claim 1.This circuit is by the initiation of communication signal deteching circuit, the end of communication signal testing circuit, and control circuit, on-off circuit and power circuit are formed.The Qi Te emblem is: by the output of initiation of communication signal deteching circuit, an input as control circuit, output by the end of communication signal testing circuit, another defeated people as control circuit, output by control circuit, as the input of on-off circuit, control the AC power that is added on the computing machine by on-off circuit, a DC voltage that bearing power is very little is provided for these green communications circuit by power circuit.
3. according to claim 2, for the compunication of carrying out based on telephone channel, the initiation of communication signal that the initiation of communication signal deteching circuit detects is telephone ring signal.The Qi Te emblem is: 25Hz, 90 ± 15V continues 4 seconds intermittently sine waves of 1 second.When this signal one was detected, (output state of this testing circuit becomes 0 by 1) just made the AC power of computing machine open immediately.
4. according to claim 2, for the compunication of carrying out based on telephone channel, the end of communication signal that the end of communication signal testing circuit detects, the level saltus step during for communication receiver's on-hook on the telephone channel.The Qi Te emblem is: level is-6V by-48V saltus step.When this signal is detected and is delayed the very short time (for example 30 seconds or 60 seconds), when promptly this testing circuit is output as a short pulse, just make the AC power of computing machine close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95115490 CN1157957A (en) | 1995-09-19 | 1995-09-19 | Method and device for personal computer green communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95115490 CN1157957A (en) | 1995-09-19 | 1995-09-19 | Method and device for personal computer green communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1157957A true CN1157957A (en) | 1997-08-27 |
Family
ID=5080526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95115490 Pending CN1157957A (en) | 1995-09-19 | 1995-09-19 | Method and device for personal computer green communication |
Country Status (1)
| Country | Link |
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| CN (1) | CN1157957A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100347640C (en) * | 2004-11-08 | 2007-11-07 | 佛山市顺德区顺达电脑厂有限公司 | Electricity-saving control method for radio communication module |
| CN1991683B (en) * | 2005-12-31 | 2010-05-05 | 联想(北京)有限公司 | Notebook computer |
-
1995
- 1995-09-19 CN CN 95115490 patent/CN1157957A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100347640C (en) * | 2004-11-08 | 2007-11-07 | 佛山市顺德区顺达电脑厂有限公司 | Electricity-saving control method for radio communication module |
| CN1991683B (en) * | 2005-12-31 | 2010-05-05 | 联想(北京)有限公司 | Notebook computer |
| US8046610B2 (en) | 2005-12-31 | 2011-10-25 | Lenovo (Beijing) Limited | Power supply control in a mobile portable device |
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