CN2167406Y - Electricity-saving device for computer screen - Google Patents
Electricity-saving device for computer screen Download PDFInfo
- Publication number
- CN2167406Y CN2167406Y CN93217843U CN93217843U CN2167406Y CN 2167406 Y CN2167406 Y CN 2167406Y CN 93217843 U CN93217843 U CN 93217843U CN 93217843 U CN93217843 U CN 93217843U CN 2167406 Y CN2167406 Y CN 2167406Y
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- CN
- China
- Prior art keywords
- signal
- power supply
- monitor
- fluorescent screen
- video signal
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- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The utility model relates to an electricity-saving device for computer screens, comprising an identification device, an image signal input terminal, an image signal output terminal, a comparator, the input and the output terminals of the power supply of a monitor, a controlling switch, and a reset button. The utility model provides the electricity-saving device for computer screens, having the advantages of power consumption saving, service life extension for the monitor, and high use compatibility.
Description
The utility model relates to computer monitor, relates in particular to a kind of computing machine fluorescent screen electricity saver.
Computing machine is in using for a long time, and the video screen of computer monitor is after work for a long time, and its fluorescent substance is easily impaired, the life-span shortens, and the waste power supply.
The computing machine use is generally, demand is big, in addition the user can't be often with power-off, the unlatching of monitor, moreover the group that generally does business, computing machine opens early in the morning until evening and just can cut out, wherein electric power consumes between this, and the monitor life-span shortens thus.If only with the angle of electric power, a computing machine (with colored screen, it consumes 120W) a day is if save halfhour electric power: 120W*0.5 hour=60 watts hours
=0.06 kilowatt-hour
=0.06 degree
If the full court gulf has 50,000 computing machines all to save:
0.06 degree * 50000=3000 degree
Can save in one month:
3000 degree * 30=90000 degree
For today of energy preciousness, its importance is apparent, if spread in the world, then can save the energy of more preciousnesses.
Use the fluorescent screen for a long time; the life-span of fluorescent screen can be reduced; for this reason; a kind of software of protecting the fluorescent screen so develop; for example: the software under the WINDOW system; can set when the general time does not have any data of key entry; then the fluorescent screen is become and do not show; only show that with an indefinite fritter (this effect needs with routine processes; and program itself also takies memory bank) so that the user knows computing machine still in use, it is too of a specified duration to make light beam can not beat in the fluorescent screen certain position again; avoid the damage of fluorescent screen fluorescent substance, increase the life-span of fluorescent screen.
But this type of software is limited to the operating system difference, can't be extensive use of, and takies the Computer Storage body, probably influences other program implementation and needs the situation of memory bank.
Fundamental purpose of the present utility model is to provide a kind of fluorescent screen electricity saver of saving power consumption.
Another purpose of the present utility model is to provide a kind of monitor fluorescent screen electricity saver in serviceable life that prolongs.
Another purpose of the present utility model is to provide a kind of compatible high fluorescent screen electricity saver that uses.
The utility model is a kind of computing machine fluorescent screen electricity saver, and it comprises: a device for identifying, a signal of video signal input end, a signal of video signal output terminal, a comparer, a monitor power supply input end, a monitor power supply output terminal, a gauge tap, a replacement button.Wherein so-called device for identifying can be made of a recognition software, when computer booting, this recognition software just resides in the memory bank, to check that this keyboard does not have that any key is pressed and this signal of video signal continues constant a period of time, then set the value of this signal of video signal, to finish this identification process.The what is called inspection of this recognition software promptly utilizes the interruption of sequential in the computer hardware and checks, does not influence the use of other program.
Certainly, a kind of computing machine of the present utility model fluorescent screen electricity saver, comprise that more a counter is connected between this comparer and this gauge tap, accept to begin counting behind this power-off signal, when this power-off signal remains unchanged, and gate time arrives, and then sends a signal and is open-circuit condition to make this gauge tap.
Certainly, a kind of computing machine of the present utility model fluorescent screen electricity saver more comprises a locking power switch, be connected in this gauge tap, and can to specify this gauge tap is conducting state, forces the power supply of this monitor can not be cut off.
Certainly, whether a kind of computing machine of the present utility model fluorescent screen electricity saver more comprises a pilot lamp, be cut off with the power supply of indicating this monitor.
The utility model is with the graphics adapter in personal computer or the workstation (MONO, EGA or VGA ...) intercepting part signal in the signal, and analyze its variation, if the fluorescent screen does not change in certain period, or no data output, then power supply is cut off fully by software and hardware.When treating that the fluorescent screen data changes (when data input being arranged as program executory renewal fluorescent screen or keyboard, then recovering the fluorescent screen shows), again AC power is connected the power supply of opening monitor, so just can save sizable electrical source consumption (the about 40W in black and white fluorescent screen, colored about 120W consumes).
Other advantage of the present utility model is as follows:
1. the electric power of computing machine fluorescent screen electricity saver consumption is about below the 5W, well below the power that the fluorescent screen consumed.
2. the execution of establishing software in cooperating can be by the time of hardware or software adjustment action.
3. need not change existing equipment or software in a large number, only need install the back that originally is installed on computing machine additional and deposit resident program in, more need not to tear open machine or install screw additional.
4. need not outside power supply supply.
5. design can be born the above load of 300W, and the power supply supply of various monitors is provided.
6. adopt the TRAIC crystal, contactless during shutdown/start does not have the switch life problem.
Below in conjunction with drawings and Examples computing machine of the present utility model fluorescent screen electricity saver is described in further detail.
Fig. 1 is the circuit diagram of computing machine fluorescent screen electricity saver.
Fig. 2 is the program flow diagram of computing machine fluorescent screen electricity saver.
Fig. 3 is the outside drawing of computing machine fluorescent screen electricity saver.
Computing machine fluorescent screen electricity saver comprises device for identifying, (following element as shown in Figure 1) signal of video signal input end 2, signal of video signal input end 3, comparer 5, monitor power supply input end 9, monitor power supply output terminal 10, gauge tap 8, weight button SW2, counter 6, locking power switch SW1, pilot lamp 7.
Device for identifying will depend on computer keyboard and computer image signal; any key is pressed and this signal of video signal continues constant a period of time when this keyboard does not have; then this computer image signal (being voltage) is changed; maybe signal of video signal can be become single current potential entirely; make the fluorescent screen be show state not; with the protection fluorescent screen, that fluorescent substance is difficult for is impaired, prolongs the monitor life-span, such as the VGA(variable gain amplifier) signal then to change R(red), G(is green), B(indigo plant) signal.So-called a period of time of this device for identifying (as the described parameter of process flow diagram) can be set by the user.
Device for identifying can be implemented by hardware, get keyboard and give the signal of computing machine, check that whether continue for some time (can be finished by counter) no any key is pressed, if then fluorescent screen signal (such as R, G, B) is set at and makes the fluorescent screen not have the show state of brightness/not.
Device for identifying can be implemented by a recognition software, and its process flow diagram at first deposits memory bank and execution in shown in figure two, change time interrupt vector, will the visit user change parameter? if then handle the work of change parameter, whether has inquiry reached the unused time? if do not have, then be back to the front, if, then the signal with graphics adapter is made as 0 or 1 entirely, check that there is change the fluorescent screen? does or keyboard have input? if do not have, then be back to the front, if having, then the fluorescent screen is reverted to original state, and be back to the front.
This recognition software is that the resident formula (Resident program) of memory bank is in computing machine, deposit memory bank during start immediately in, utilize the interruption of sequential in the computer hardware, desired work, the inspection work carried out, as the reference that starts this device hardware components with process software; This recognition software can be carried out smoothly thus, and can not influence the program that any user will carry out.This recognition software also will have the version difference of various differences " operating system ", as DOS, UNIX, WINDOWS ... or the like.
This computing machine fluorescent screen electricity saver, shown in figure one, its outside drawing is shown in figure three.Signal of video signal input end 2, the output of getting computing machine fluorescent screen graphics adapter (Graphic Adapter) 1 be as this signal of video signal input end 2, and give signal of video signal output terminal 3 with this signal, with the signal of video signal 4 of making monitor; Monitor power supply input end 9, get give monitor on the main frame power supply as this monitor power supply input end 9; Monitor power supply output terminal 10 is obtained the power supply that maybe can't obtain monitor power supply input end 9 via gauge tap 8, if obtain the power supply that then can be made for monitor.
Comparer 5 is connected in this signal of video signal input end 2, if learning this signal of video signal is changed by this device for identifying, then send one " power-off signal " and go to influence gauge tap 8, yet, give counter 6 this power-off signal for making this Design of device more flexible, after counter 6 is subjected to this power-off signal, begin counting, when this power-off signal remains unchanged, and gate time arrives, then send a signal and be open-circuit condition to make this gauge tap, the power supply of monitor is cut off in expression.Wherein gate time is adjusted, is set by VR1.
After by recognition software the fluorescent screen being made as not show state, will be behind a gate time, and the fluorescent screen there is no any change and do not have any key input, then can cut off the power supply of monitor.This is not through cutting off the design of monitor power supply one by one once " gate time ", and is setting the fluorescent screen for behind the show state not, if the phenomenon of fluorescent screen change and any key input is arranged, then can react at once and makes the fluorescent screen demonstration; If the power supply of monitor is cut off, and will show again, need give heat because of monitor again, so can't show by immediate response.So the whippy design of this counter 6 is more suitable for vast user.Certainly the gate time of counter also can be made as zero.
Replacement button SW2 is connected in this gauge tap, can press this replacement button when this monitor can't obtain power supply because of the relation of controller, then forces this gauge tap to be conducting state, so that this monitor can obtain power supply.Its controller switches admittance state, the time that then is controlled by VR1 and is adjusted.
Locking power switch SW1 is connected in this gauge tap 8, presses this locking power switch, then forces this gauge tap 8 to be conducting, makes the power supply of monitor not be subjected to the influence of other element, can not be cut off.This locking power switch SW1 can be used for carrying out important procedure, and the user wishes that monitor power supply can not be cut off.
Pilot lamp 7, whether the power supply that is used to refer to monitor is cut off.
By above explanation; really can understand this computing machine fluorescent screen electricity saver,, sizable interests be arranged widely used epoch of computing machine now; be familiar with can making all conversion to this in the personage of this technology, however the protection domain that they all do not break away from appended claims and are limited.
Claims (5)
1, a kind of computing machine fluorescent screen electricity saver is characterized in that comprising:
One device for identifying is got and is cut in computer keyboard and computer image signal, when this keyboard does not have that any key is pressed and this signal of video signal when continuing constant a period of time, then with this computer image signal change, so that computing machine fluorescent screen change and being protected;
One signal of video signal input end is got computing machine fluorescent screen graphics adapter and is output as this signal of video signal input end;
One signal of video signal output terminal is got this signal of video signal input end and is exported, to make the signal of video signal of monitor;
One comparer is connected in this signal of video signal input end, and relatively this signal of video signal is changed by this device for identifying if learn this signal of video signal, then sends a power-off signal;
One monitor power supply input end, get give monitor on the main frame power supply as this monitor power supply input end;
One monitor power supply output terminal is fetched the power supply from this monitor power supply input end, with the power supply as this monitor;
One gauge tap is connected in this monitor power supply input end and this monitor power supply output terminal, is subjected to the influence of this power-off signal, makes this gauge tap be open-circuit condition, and the power supply of this monitor power supply input end then can't be for the power supply that gives this monitor, conservation of power; And
One replacement button is connected in this gauge tap, can press this replacement button when this monitor can't obtain power supply because of the relation of controller, then forces this gauge tap to be conducting state, so that this monitor can obtain power supply.
2, computing machine as claimed in claim 1 fluorescent screen electricity saver, it is characterized in that further comprising that a counter is connected between this comparer and this gauge tap, accept to begin counting behind this power-off signal, when this power-off signal remains unchanged, and gate time arrives, and then sends a signal so that this gauge tap is open-circuit condition.
3, computing machine as claimed in claim 1 fluorescent screen electricity saver is characterized in that further comprising a locking power switch, is connected in this gauge tap, is conducting state so that can specify this gauge tap, forces the power supply of this monitor can not be cut off.
4, computing machine as claimed in claim 1 fluorescent screen electricity saver, it is characterized in that, described device for identifying, can finish by a recognition software, when computer booting, this recognition software just resides in the memory bank, to check that this keyboard does not have that any key is pressed and this signal of video signal continues constant a period of time, then set the value of this signal of video signal, to finish this identification process.
5, computing machine as claimed in claim 1 fluorescent screen electricity saver is characterized in that further comprising the pilot lamp that is connected with described gauge tap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93217843U CN2167406Y (en) | 1993-06-30 | 1993-06-30 | Electricity-saving device for computer screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93217843U CN2167406Y (en) | 1993-06-30 | 1993-06-30 | Electricity-saving device for computer screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2167406Y true CN2167406Y (en) | 1994-06-01 |
Family
ID=33797665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93217843U Expired - Fee Related CN2167406Y (en) | 1993-06-30 | 1993-06-30 | Electricity-saving device for computer screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2167406Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1083584C (en) * | 1996-10-15 | 2002-04-24 | 致伸实业股份有限公司 | Computer controller |
| CN101339744B (en) * | 2007-07-06 | 2011-02-09 | 群康科技(深圳)有限公司 | Liquid crystal display device and control method thereof |
| CN101350617B (en) * | 2007-07-19 | 2011-09-28 | 鸿富锦精密工业（深圳）有限公司 | Control device for key-board switch |
-
1993
- 1993-06-30 CN CN93217843U patent/CN2167406Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1083584C (en) * | 1996-10-15 | 2002-04-24 | 致伸实业股份有限公司 | Computer controller |
| CN101339744B (en) * | 2007-07-06 | 2011-02-09 | 群康科技(深圳)有限公司 | Liquid crystal display device and control method thereof |
| CN101350617B (en) * | 2007-07-19 | 2011-09-28 | 鸿富锦精密工业（深圳）有限公司 | Control device for key-board switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |