CN1877472A - Vision protection device with timing function and screen display electrical appliance - Google Patents
Vision protection device with timing function and screen display electrical appliance Download PDFInfo
- Publication number
- CN1877472A CN1877472A CN 200510035998 CN200510035998A CN1877472A CN 1877472 A CN1877472 A CN 1877472A CN 200510035998 CN200510035998 CN 200510035998 CN 200510035998 A CN200510035998 A CN 200510035998A CN 1877472 A CN1877472 A CN 1877472A
- Authority
- CN
- China
- Prior art keywords
- screen display
- electrical appliance
- setting value
- display electrical
- time
- 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.)
- Granted
Links
Images
Landscapes
- Controls And Circuits For Display Device (AREA)
Abstract
The invention discloses a vision protecting device and a screen display device with vision protecting function. The vision protecting device comprises a control device, power output and input ports that are individually connected with the control device. The output port of the power is electronically connected with the screen display device in a hand dismountable style; the control flow employs dual control; the increased communication device can realize coupled control on different screen display devices with plural control devices; the increased distance prober can protect audience vision by controlling the visible distance. The screen display device has the vision protecting control unit which includes an increased communication module and an increased distance probing module can make the screen display unit work between normal and non-normal status to protect vision.
Description
Technical field
The present invention relates to a kind of vision protection device, especially relate to a kind of intelligentized intelligent screen display electrical appliance that uses the vision protection device of screen display electrical appliance in limited time or have eyesight protection function.
Background technology
Screen display electrical appliance such as TV, computer is extensively popularized just in the family, as kinsfolk's teenager because the self-control weakness, tend to watch TV programme continuously for a long time, surf the web or operate video games, not only influence study but also damage teen-age eyesight, this has become the social concern that the numerous heads of a family and educator extremely pay close attention to.For addressing this problem, a lot of inventions have been arranged, comprise the simplest chamber that can lock, in the power plug lock inlet box of screen display electrical appliance, use by head of a family's key control at one's side, but not only inconvenience but also unkind and irrigational of such method.Chinese invention patent application documents 200410017956.9 " display uses controller in limited time " (publication number CN1564099A, open day on January 12nd, 2005) technical scheme that a kind of personal computer monitor uses controller in limited time being disclosed: comprises the display signal line of being pegged graft and being constituted by computing machine wiring and display wiring, its splicing position places a box body, also is equipped with mechanical lock, in limited time control circuit, position detecting switch and hummer in the box body; The mechanical lock bottom is provided with rotatable dead bolt; Be shaped on snap close on the bottom plate face; In limited time control circuit is connected and composed by single-chip microcomputer, mechanical lock state detection circuit, computing machine user mode testing circuit, key circuit, real-time clock, LCD liquid crystal display drive circuit, program storage and electronic switch assembling in limited time; Position detecting switch has contact, and this contact can contact with this dead bolt or throw off; Segment signal line in the computing machine wiring draws to be connected to and connects the termination, and this segment signal line is connected to the corresponding segment signal line of inner socket through this connection termination and through electronic switch.The technical scheme of foregoing invention is by being provided with a splicing position between computing machine wiring and display wiring, and this splicing position placed a box body, be equipped with mechanical lock in the box body and be used for the opening of box, closing control, be equipped with the control circuit of prescribing a time limit in the box body simultaneously and be used for the control computer main frame is connected signal wire with display signal, reach the restriction display purpose of service time.
The defective of technique scheme is: 1, technique scheme is by being provided with a controller between computing machine wiring and display wiring, realize using of display in limited time by the mode of cutting off or connect pcs signal, the teenager who lacks self-control only need change one does not again have the pcs signal line of controller just can avoid control in limited time; 2, technique scheme does not comprise communication module or communication device, can't realize the interlock control of many screen display electrical appliances, the teenager can make full use of different screen display electrical appliance control time differences and watch continuously, thereby can't watch behavior effectively to limit to teen-age, can't realize strong protection teenager's eyesight; 3, such scheme can not be realized the control to people's viewing distance.
Summary of the invention
Technical matters to be solved by this invention is, provides a kind of easy for installation, Practical Intelligentization to use the vision protection device of screen display electrical appliance in limited time and has the intelligent screen display electrical appliance of eyesight protection function to the user.
As technical scheme one of the present invention; a kind of vision protection device that uses screen display electrical appliance in limited time; comprise the power input that is connected with extraneous power sourced electric; the power output end that is electrically connected with screen display electrical appliance; and control device; described extraneous power supply is except that giving described control device power supply; also power to described screen display electrical appliance by described control device; it is characterized in that: described power output end adopts free-hand non-disconnectable mode to connect with described screen display electrical appliance, and described control device is controlled the power supply supply of described screen display electrical appliance by following control flow when start using described screen display electrical appliance:
The power supply that a, the K switch by described control device 1 are cut off described screen display electrical appliance, and will and stop cumulative time C zero setting to the cumulative time B of described screen display electrical appliance power supply to described screen display electrical appliance power supply, enter next step then;
B, judge that whether current time is positioned at the time period A that permit to use described screen display electrical appliance, if be positioned at described time period A, then enter steps d, otherwise then enters next step;
C, output current time are not positioned at the information of described time period A, return step b then;
D, the power supply of connecting described screen display electrical appliance by described K switch 1, and start the accumulative total timing of described cumulative time B, enter next step then;
E, judge whether described cumulative time B has reached its setting value B1, if described cumulative time B is less than described setting value B1, then enter step f, otherwise then cut off to the power supply of described screen display electrical appliance and with described cumulative time B zero setting and start the accumulative total timing of described cumulative time C and export the information that described cumulative time B has reached described setting value B1, enter step g then by described K switch 1;
F, judge whether current time is positioned at described time period A,, then return step e, otherwise then return step a if be positioned at described time period A;
G, judge whether described cumulative time C has reached its setting value C1, if described cumulative time C is less than described setting value C1, then enter next step, otherwise then with described cumulative time C zero setting and export described cumulative time C and reached the information of described setting value C1, and return steps d;
H, judge whether current time is positioned at described time period A,, then return step g, otherwise then return step a if be positioned at described time period A.
Improvement as technical solution of the present invention one, be connected with a wired or wireless communication device in the described control device, be used for the communication between two or more described control device, keep identical duty with all control device that guarantee mutual communication.
As the further improvement of technical solution of the present invention one, described control device also is connected with a range finder, is used to survey the distance L between described screen display electrical appliance and the human body; The distance that records when described range finder is during less than its setting value L1, the power supply that the K switch 2 of described control device is cut off described screen display electrical appliance, otherwise, then connect power supply to described screen display electrical appliance, wherein said K switch 1 is the polyphone relation with K2.
Further improvement as technical solution of the present invention one, described control device also is connected with an input media in wired or wireless mode, the operator password, clock, described time period A, described setting value B1, described setting value C1, the described setting value L1 that are used for artificial input, the described control device of modification also can be used for removing the control of described control device to the power supply supply of described screen display electrical appliance.
As further improving again of technical solution of the present invention one, described control device adopts the nonvolatile memory of outage data to preserve the information of importing by described keyboard, described clock between turnoff time in the described control device still can be worked, when sending electricity again after the outage, the state of a control before described control device can recover to cut off the power supply.Wherein, also deposited in the described memory and be no less than one group of described one to one mutually setting value B1 and described setting value C1, be used for manually calling by described input media.
In addition, for improving technical solution of the present invention one more, described control device also is connected with display device, sound-producing device, wherein, described display device is used to show described clock, described time period A, described setting value B1, described setting value C1, described setting value L1 and described cumulative time B, described cumulative time C, described distance L; Described sound-producing device is used for described cumulative time B, described cumulative time C, sounding and warning when described distance L reaches described setting value B1, described setting value C1, described setting value L1 respectively, perhaps is used for the button sounding of described input media.
Simultaneously, be the protection screen display electrical appliance, the surge voltage that produces when suppressing connection, power cutoff, and the unstable voltage during normal power supply is to the infringement of screen display electrical appliance, described control device takes the mode of mild step-down to stop to described screen display electrical appliance power supply, described control device also includes power surge and suppresses circuit, is used for surge voltage or electric current that control device is connected, produced when cutting off the electricity supply are suppressed; Be connected with power supply stabilization circuit between described control device and power input or the power output end, be used for voltage stabilizing control.
As technical scheme two of the present invention, a kind of screen display electrical appliance with eyesight protection function comprises signal input and processing and control module, screen display unit, phonation unit, input block, it is characterized in that:
Described screen display electrical appliance also comprises a sight protectio control module, described sight protectio control module is used to control the power supply supply or the signal input of described screen display unit, structurally can discretely also can be one with described signal input and processing and control module;
Described sight protectio control module is controlled the power supply supply or the signal input of described screen display unit by following control flow when start using described screen display electrical appliance:
A, the K switch by described sight protectio control module 1 are cut off the power supply supply or the signal input of described screen display unit, and will and stop cumulative time C zero setting to the cumulative time B of power supply of described screen display unit or input signal to described screen display unit power supply or signal input, enter next step then;
B, judge that whether current time is positioned at the time period A that permit to use described screen display electrical appliance, if be positioned at described time period A, then enter steps d, otherwise then enters next step;
C, output current time are not positioned at the information of described time period A, return step b then;
D, connect the power supply supply or the signal input of described screen display unit, and start the accumulative total timing of described cumulative time B, enter next step then by described K switch 1;
E, judge whether described cumulative time B has reached its setting value B1, if described cumulative time B is less than described setting value B1, then enter step f, otherwise then cut off the power supply supply of described screen display unit or signal input and with described cumulative time B zero setting and start the accumulative total timing of described cumulative time C and export the information that described cumulative time B has reached described setting value B1, enter step g then by described K switch 1;
F, judge whether current time is positioned at described time period A,, then return step e, otherwise then return step a if be positioned at described time period A;
G, judge whether described cumulative time C has reached its setting value C1, if described cumulative time C is less than described setting value C1, then enter next step, otherwise then with described cumulative time C zero setting and export described cumulative time C and reached the information of described setting value C1, and return steps d;
H, judge whether current time is positioned at described time period A,, then return step g, otherwise then return step a if be positioned at described time period A.
Improvement as technical solution of the present invention two; described sight protectio control module also comprises a wired or wireless communication module; be used for the communication between two or more described sight protectio control modules, keep identical duty with all sight protectio control modules that guarantee mutual communication.
As the further improvement of technical solution of the present invention two, described sight protectio control module also includes a range sensing module, is used to survey the distance L between described screen display electrical appliance and the human body; The distance that records when described range sensing module is during less than its setting value L1; cut off the power supply supply or the signal input of described screen display unit by the K switch 2 of described sight protectio control module; otherwise; then connect the power supply supply or the signal input of described screen display unit, wherein said K switch 1 is the polyphone relation with described K2.
Further improvement as technical solution of the present invention two; described sight protectio control module also is connected with an input block in wired or wireless mode; be used for artificial input, revise described sight protectio control module operator password, clock, described time period A, described setting value B1, described setting value C1, shown in setting value L1, also can be used for removing described sight protectio control module to the power supply supply of described screen display unit or the control of signal input.
As further improving again of technical solution of the present invention two; described sight protectio control module adopts the nonvolatile memory of outage data to preserve the described setting value of importing by described input block; and described clock still can be worked between turnoff time; when sending electricity again after the outage, the state of a control before described sight protectio control module can recover to cut off the power supply.Wherein, also deposited in the described memory and be no less than one group of described one to one mutually setting value B1 and described setting value C1, be used for manually calling by described input block.
In addition, perfect as technical solution of the present invention two, described screen display unit can show described clock, described time period A, described setting value B1, described setting value C1, described setting value L1 and described cumulative time B, described cumulative time C, described distance L; Described phonation unit can perhaps be used for the button sounding of described input block to described cumulative time B, described cumulative time C, sounding and warning when described distance L reaches described setting value B1, described setting value C1, described setting value L1 respectively.
Compared with prior art, with being electrically connected by free-hand non-disconnectable mode between the screen display electrical appliance, the teenager who has overcome the self-control difference changes power lead, avoids the drawback to the control of screen display electrical appliance power supply technical scheme one of the present invention privately with power output end; On control flow, then adopted original dual control, promptly not only only in the daily schedule of permitting the use screen display electrical appliance, can use screen display electrical appliance, and be forced to rest a period of time after during using screen display electrical appliance, also must being to watch a period of time; By increasing communication device, realized of the interlock control of a plurality of control device to screen display electrical appliance, give up the teenager and beaten poor thought of different screen display electrical appliance control times; By increasing range finder, further on the control visual range, spectators' eyesight is protected effectively.
Technical scheme two of the present invention; by in screen display electrical appliance, increasing the sight protectio control module that includes communication module, range sensing module, has dual control control flow; the realization screen display unit is switched between normal and abnormal operating state by input timing, and realizes that by communication module the interlock to many screen display electrical appliances is controlled between a plurality of sight protectio control modules.Wherein, the range sensing module is used for spectators' visual range is controlled, thereby further strengthens and perfect described eyesight protection function with screen display electrical appliance of eyesight protection function.
Description of drawings
The present invention is described in further detail below in conjunction with accompanying drawing, wherein:
Fig. 1 uses the vision protection device annexation synoptic diagram of screen display electrical appliance in limited time for the present invention;
Fig. 2 implements the workflow diagram of control by K switch 1 for control device of the present invention;
Fig. 3 is power output end of the present invention and control device fixed connection structure synoptic diagram one;
Fig. 4 is power output end of the present invention and control device fixed connection structure synoptic diagram two;
Fig. 5 is power output end of the present invention and control device releasable connection structural representation one;
Fig. 6 is power output end of the present invention and control device releasable connection structural representation two;
Fig. 7 increases X-over syndeton synoptic diagram one for the present invention;
Fig. 8 increases X-over syndeton synoptic diagram two for the present invention;
Fig. 9 is two kinds of power output ends of the present invention and control device fixed connection structure synoptic diagram;
Figure 10 has the screen display electrical appliance annexation synoptic diagram of eyesight protection function for the present invention;
Figure 11 implements the workflow diagram of control by K switch 1 for sight protectio control module of the present invention.
Embodiment
As shown in Figure 1, a kind of vision protection device that uses screen display electrical appliance in limited time comprises control device 4, the power input 5 and the power output end 3 that are connected with control device 4 respectively.The other end of power input 5 is connected with extraneous power supply, is used to realize extraneous power supply to control device 4 power supplies, and powers to screen display electrical appliance 1 by control device 4.Control device 4 has in limited time connects, cuts off the function to the screen display electrical appliance power supply.Wherein, power output end 3 is free-hand non-disconnectable connected mode with screen display electrical appliance 1, for example welds, riveted joint, bonding, interference fit etc., can realize control in limited time to screen display electrical appliance 1 with certain assurance control device 4.
For improving the present invention, control device 4 also is connected with communication device, to realize the interlock control to different screen display electrical appliances 1 of a plurality of control device 4 in the specific region.By communication device, described different control device 4 keeps identical duty, and for example the computer as screen display electrical appliance 1 keeps the power connection state, then also keeps the power connection state as another screen display electrical appliance 1 televisor in the specific region.In default effective turn-on time, can open computer, also can see TV.When computer power was in off-position, the power supply of televisor also was in dissengaged positions, thereby after avoiding the teenager of self-control to use up out the effective time of computer, removed to see TV again.
Be further to improve the present invention, control device 4 also is connected with range finder, and range finder must be pressed close to screen display electrical appliance 1 and places, and can be considered as 1 the distance of human body with screen display electrical appliance to guarantee its same human body distance that records.When human body is lower than predefined distance value L1 with the distance of screen display electrical appliance 1, the power supply that control device 4 cuts off screen display electrical appliance, screen display electrical appliance 1 is closed, otherwise, control device 4 automatic energized, screen display electrical appliance 1 state of resuming work, certainly if human body with the distance of screen display electrical appliance 1 always greater than distance L 1 value, then effectively limiting in the working time, screen display electrical appliance 1 keeps duty.
For further improving the present invention, control device 4 also is connected with input media for example keyboard, display device and sound-producing device, described keyboard is used for parameter setting, information input, password input, modification of control device etc., described display device is used to show above-mentioned parameter, information and system information etc., and described sound-producing device is used for information sounding, critical state alarm etc.In specific implementation process, input media also can be telepilot or guidance panel etc.
Also have, screen display electrical appliance of the present invention can shield electrical equipment such as apparent DVD player, electronic game machine for computing machine, televisor, band.
As shown in Figure 2, after described screen display electrical appliance was used in startup, control device was controlled the power supply supply of described screen display electrical appliance by following workflow:
The power supply that a, the K switch by described control device 1 are cut off described screen display electrical appliance, and will and stop cumulative time C zero setting to the cumulative time B of described screen display electrical appliance power supply to described screen display electrical appliance power supply, enter next step then;
B, judge that whether current time is positioned at the time period A that permit to use described screen display electrical appliance, if be positioned at described time period A, then enter steps d, otherwise then enters next step;
C, output current time are not positioned at the information of described time period A, return step b then;
D, the power supply of connecting described screen display electrical appliance by described K switch 1, and start the accumulative total timing of described cumulative time B, enter next step then;
E, judge whether described cumulative time B has reached its setting value B1, if described cumulative time B is less than described setting value B1, then enter step f, otherwise then cut off to the power supply of described screen display electrical appliance and with described cumulative time B zero setting and start the accumulative total timing of described cumulative time C and export the information that described cumulative time B has reached described setting value B1, enter step g then by described K switch 1;
F, judge whether current time is positioned at described time period A,, then return step e, otherwise then return step a if be positioned at described time period A;
G, judge whether described cumulative time C has reached its setting value C1, if described cumulative time C is less than described setting value C1, then enter next step, otherwise then with described cumulative time C zero setting and export described cumulative time C and reached the information of described setting value C1, and return steps d;
H, judge whether current time is positioned at described time period A,, then return step g, otherwise then return step a if be positioned at described time period A.
As shown in Figure 3, Figure 4, screen display electrical appliance 1 shows as televisor and computing machine respectively, and the power input head 2 of the two is respectively outer positive electricity source plug and interior positive electricity supply socket.Control device 4 one ends are connected with power input 5, and the other end is connected with power output end 3, and corresponding structure design is made according to outer positive electricity source plug and interior positive electricity supply socket respectively in the termination of power output end 3, to guarantee the realization of free-hand non-disconnectable connected mode.
Fig. 3, the vision protection device that uses screen display electrical appliance in limited time shown in Figure 4 are because power output end 3 is fixing non-disconnectable connection with control device 4; exist external positive electricity source plug and interior positive electricity supply socket to select the defective that adapts to; promptly must buy the vision protection device that uses screen display electrical appliance accordingly in limited time, can make the consumer feel inconvenient screen display electrical appliance 1 different power input head 2.
For overcoming above defective, the invention provides two kinds of technical scheme embodiment:
Technical scheme one, as Fig. 5, shown in Figure 6, power output end 3 has been taked the releasable connection mode with control device 4, one of power output end 3 implement free-hand non-disconnectable connection with outer positive electricity source plug or interior positive electricity supply socket after, control device 4 can be as required connects respectively with the other end of power output end 3.Owing to only need to buy vision protection device and the two kinds of different power output ends 3 that use screen display electrical appliance in limited time, just can adapt to the screen display electrical appliance 1 of different power input heads 2, thereby make things convenient for the consumer.
Technical scheme two, as Fig. 7, shown in Figure 8, although power output end 3 is fixing non-disconnectable connected mode with control device 4, by increasing the screen display electrical appliance 1 that X-over 6 just can adapt to the different power input head 2 that is respectively outer positive electricity source plug or interior positive electricity supply socket.
As shown in Figure 9; in the vision protection device that uses screen display electrical appliance in limited time of the present invention; control device 4 is fixedly connected with two power output ends 3, to be respectively applied for the free-hand non-disconnectable occasion that is connected of external positive electricity source plug and interior positive electricity supply socket, satisfies user's multi-level demand.
As shown in figure 10, a kind of screen display electrical appliance with eyesight protection function comprises signal input and processing and control module, screen display unit, phonation unit, input block, wherein,
Described screen display electrical appliance also comprises a sight protectio control module, described sight protectio control module is used to control the power supply supply or the signal input of described screen display unit, structurally can discretely also can be one with described signal input and processing and control module;
Described sight protectio control module comes the duty of the described screen display unit of timing controlled by predefined sequential, promptly
In the predetermined screen display electrical appliance permission to use time, described sight protectio control module switches to normal operating conditions with described screen display unit;
Forbid screen display electrical appliance in service time in predetermined, described sight protectio control module switches to abnormal operating state with described screen display unit, promptly closes to show or show improper displaying contents;
Above-mentioned two kinds of duties are alternately switched according to predefined sequential.
Described sight protectio control module also comprises a wired or wireless communication module and a range sensing module.Wherein said communication module is used for the communication between two or more described sight protectio control modules, keeps identical duty with all sight protectio control modules that guarantee mutual communication; Described range sensing module is used to survey the distance between described screen display electrical appliance and the human body; when the distance that records when the range sensing module is lower than setting value; sight protectio control module toggle screen display unit unit is an abnormal operating state, otherwise, then switch or remain normal operating conditions.
By described input block; behind the artificial correct input password; can to described screen display unit be in normal and abnormal operating state time, permit using time period, clock, permission visual range, the described password of described screen display electrical appliance to set, also can remove the control that described sight protectio control module is imported the power supply supply or the signal of described screen display unit.
Described sight protectio control module adopts the nonvolatile memory of outage data to preserve the described setting value of importing by described input block; and described clock still can be worked between turnoff time; when sending electricity again after the outage, the state of a control before described sight protectio control module can recover to cut off the power supply.Setting value and the described screen display unit that wherein said screen display unit is in the time of normal operating conditions is in the setting value of the time of abnormal operating state and deposits in the described memory in corresponding mode in groups one by one, can be one group also can be one group of above combination, can carry out artificial selection by described input block and call.
In addition, described screen display unit can show described screen display unit be in the time of normal operating conditions, described screen display unit be in the time of abnormal operating state, the time period of described screen display electrical appliance, described clock, described distance are used in described allowance; Described phonation unit can be in the time of normal operating conditions to described screen display unit, carry out sounding and warning when described screen display unit is in the time of abnormal operating state, described distance reaches respectively or reaches predetermined value soon.
As shown in figure 11, after the screen display electrical appliance with eyesight protection function started, described sight protectio control module was controlled the power supply supply or the signal input of described screen display unit by following control flow:
A, the K switch by described sight protectio control module 1 are cut off the power supply supply or the signal input of described screen display unit, and will and stop cumulative time C zero setting to the cumulative time B of power supply of described screen display unit or input signal to described screen display unit power supply or signal input, enter next step then;
B, judge that whether current time is positioned at the time period A that permit to use described screen display electrical appliance, if be positioned at described time period A, then enter steps d, otherwise then enters next step;
C, output current time are not positioned at the information of described time period A, return step b then;
D, connect the power supply supply or the signal input of described screen display unit, and start the accumulative total timing of described cumulative time B, enter next step then by described K switch 1;
E, judge whether described cumulative time B has reached its setting value B1, if described cumulative time B is less than described setting value B1, then enter step f, otherwise then cut off the power supply supply of described screen display unit or signal input and with described cumulative time B zero setting and start the accumulative total timing of described cumulative time C and export the information that described cumulative time B has reached described setting value B1, enter step g then by described K switch 1;
F, judge whether current time is positioned at described time period A,, then return step e, otherwise then return step mule a if be positioned at described time period A;
G, judge whether described cumulative time C has reached its setting value C1, if described cumulative time C is less than described setting value C1, then enter next step, otherwise then with described cumulative time C zero setting and export described cumulative time C and reached the information of described setting value C1, and return steps d;
H, judge whether current time is positioned at described time period A,, then return step g, otherwise then return step a if be positioned at described time period A.
Claims (18)
1, a kind of vision protection device that uses screen display electrical appliance in limited time; the power output end that comprises the power input that is connected with extraneous power sourced electric, is electrically connected with screen display electrical appliance; and control device; described extraneous power supply is except that giving described control device power supply; also power to described screen display electrical appliance by described control device; it is characterized in that: described power output end adopts free-hand non-disconnectable mode to connect with described screen display electrical appliance, and described control device is controlled the power supply supply of described screen display electrical appliance by following control flow when start using described screen display electrical appliance:
The power supply that a, the K switch by described control device 1 are cut off described screen display electrical appliance, and will and stop cumulative time C zero setting to the cumulative time B of described screen display electrical appliance power supply to described screen display electrical appliance power supply, enter next step then;
B, judge whether current time is positioned at the time period A that permit to use described screen display electrical appliance, if be positioned at described time period A.Then enter steps d, otherwise then enter next step;
C, output current time are not positioned at the information of described time period A, return step b then;
D, the power supply of connecting described screen display electrical appliance by described K switch 1, and start the accumulative total timing of described cumulative time B, enter next step then;
E, judge whether described cumulative time B has reached its setting value B1, if described cumulative time B is less than described setting value B1, then enter step f, otherwise then cut off to the power supply of described screen display electrical appliance and with described cumulative time B zero setting and start the accumulative total timing of described cumulative time C and export the information that described cumulative time B has reached described setting value B1, enter step g then by described K switch 1;
F, judge whether current time is positioned at described time period A,, then return step e, otherwise then return step a if be positioned at described time period A;
G, judge whether described cumulative time C has reached its setting value C1, if described cumulative time C is less than described setting value C1, then enter next step, otherwise then with described cumulative time C zero setting and export described cumulative time C and reached the information of described setting value C1, and return steps d;
H, judge whether current time is positioned at described time period A,, then return step g, otherwise then return step a if be positioned at described time period A.
2, a kind of vision protection device that uses screen display electrical appliance in limited time according to claim 1; it is characterized in that: be connected with a wired or wireless communication device in the described control device; be used for the communication between two or more described control device, keep identical duty with all described control device that guarantee mutual communication.
3, according to claim 1 or 2 described a kind of vision protection devices that use screen display electrical appliance in limited time, it is characterized in that: described control device also is connected with a range finder, is used to survey the distance L between described screen display electrical appliance and the human body; The distance that records when described range finder is during less than its setting value L1, the power supply that the K switch 2 of described control device is cut off described screen display electrical appliance, otherwise, then connect power supply to described screen display electrical appliance, wherein said K switch 1 is the polyphone relation with described K2.
4, a kind of vision protection device that uses screen display electrical appliance in limited time according to claim 3; it is characterized in that: described control device also is connected with an input media in wired or wireless mode; the operator password, clock, described time period A, described setting value B1, described setting value C1, the described setting value L1 that are used for artificial input, the described control device of modification also can be used for removing the control of described control device to the power supply supply of described screen display electrical appliance.
5, a kind of vision protection device that uses screen display electrical appliance in limited time according to claim 4; it is characterized in that: described control device adopts the nonvolatile memory of outage data to preserve the information of importing by described input media; described clock between turnoff time in the described control device still can be worked; when sending electricity again after the outage, the state of a control before described control device can recover to cut off the power supply.
6, a kind of vision protection device that uses screen display electrical appliance in limited time according to claim 5; it is characterized in that: also deposited in the described memory and be no less than one group of described one to one mutually setting value B1 and described setting value C1, be used for manually calling by described input media.
7, a kind of vision protection device that uses screen display electrical appliance in limited time according to claim 6; it is characterized in that: described control device also is connected with display device, and described display device is used to show described clock, described time period A, described setting value B1, described setting value C1, described setting value L1 and described cumulative time B, described cumulative time C, described distance L.
8, a kind of vision protection device that uses screen display electrical appliance in limited time according to claim 7; it is characterized in that: described control device also is connected with sound-producing device and is used for described cumulative time B, described cumulative time C, sounding and warning when described distance L reaches described setting value B1, described setting value C1, described setting value L1 respectively, perhaps is used for the button sounding of described input media.
9, a kind of vision protection device that uses screen display electrical appliance in limited time according to claim 8; it is characterized in that: described control device takes the mode of mild step-down to cut off the power supply of described screen display electrical appliance; described control device also includes power surge and suppresses circuit, and the surge current or the voltage that produce when being used for the power supply cutting off, connect described screen display electrical appliance suppress.
10, a kind of vision protection device that uses screen display electrical appliance in limited time according to claim 9 is characterized in that: be connected with power supply stabilization circuit between described control device and described power input or the described power output end, be used for voltage stabilizing control.
11, a kind of screen display electrical appliance with eyesight protection function comprises signal input and processing and control module, screen display unit, phonation unit, input block, it is characterized in that:
Described screen display electrical appliance also comprises a sight protectio control module;
Described sight protectio control module is used to control the power supply supply or the signal input of described screen display unit, structurally can discretely also can be one with described signal input and processing and control module; Described sight protectio control module is controlled the power supply supply or the signal input of described screen display unit by following control flow when start using described screen display electrical appliance:
A, the K switch by described sight protectio control module 1 are cut off the power supply supply or the signal input of described screen display unit, and will and stop cumulative time C zero setting to the cumulative time B of power supply of described screen display unit or input signal to described screen display unit power supply or signal input, enter next step then;
B, judge that whether current time is positioned at the time period A that permit to use described screen display electrical appliance, if be positioned at described time period A, then enter steps d, otherwise then enters next step;
C, output current time are not positioned at the information of described time period A, return step b then;
D, connect the power supply supply or the signal input of described screen display unit, and start the accumulative total timing of described cumulative time B, enter next step then by described K switch 1;
E, judge whether described cumulative time B has reached its setting value B1, if described cumulative time B is less than described setting value B1, then enter step f, otherwise then cut off the power supply supply of described screen display unit or signal input and with described cumulative time B zero setting and start the accumulative total timing of described cumulative time C and export the information that described cumulative time B has reached described setting value B1, enter step g then by described K switch 1;
F, judge whether current time is positioned at described time period A,, then return step e, otherwise then return step a if be positioned at described time period A;
G, judge whether described cumulative time C has reached its setting value C1, if described cumulative time C is less than described setting value C1, then enter next step, otherwise then with described cumulative time C zero setting and export described cumulative time C and reached the information of described setting value C1, and return steps d;
H, judge whether current time is positioned at described time period A,, then return step g, otherwise then return step a if be positioned at described time period A.
12, a kind of screen display electrical appliance according to claim 11 with eyesight protection function; it is characterized in that: described sight protectio control module also comprises a wired or wireless communication module; be used for the communication between two or more described sight protectio control modules, keep identical duty with all sight protectio control modules that guarantee mutual communication.
13, according to claim 11 or 12 described a kind of screen display electrical appliances, it is characterized in that with eyesight protection function:
Described sight protectio control module also includes a range sensing module, is used to survey the distance L between described screen display electrical appliance and the human body;
The distance that records when described range sensing module is during less than its setting value L1; the K switch 2 of described sight protectio control module is cut off the power supply supply or the signal input of described screen display unit; otherwise; then connect the power supply supply or the signal input of described screen display unit, wherein said K switch 1 is the polyphone relation with described K2.
14, a kind of screen display electrical appliance according to claim 13 with eyesight protection function; it is characterized in that: described sight protectio control module also is connected with an input block in wired or wireless mode; be used for artificial input, revise described sight protectio control module operator password, clock, described time period A, described setting value B1, described setting value C1, shown in setting value L1, also can be used for removing described sight protectio control module to the power supply supply of described screen display unit or the control of signal input.
15, a kind of screen display electrical appliance according to claim 14 with eyesight protection function; it is characterized in that: described sight protectio control module adopts the nonvolatile memory of outage data to preserve the described setting value of importing by described input block; and described clock still can be worked between turnoff time; when sending electricity again after the outage, the state of a control before described sight protectio control module can recover to cut off the power supply.
16, a kind of screen display electrical appliance according to claim 15 with eyesight protection function; it is characterized in that: also deposited in the described memory and be no less than one group of described one to one mutually setting value B1 and described setting value C1, be used for manually calling by described input block.
17, a kind of screen display electrical appliance with eyesight protection function according to claim 16 is characterized in that: described screen display unit can show described clock, described time period A, described setting value B1, described setting value C1, described setting value L1 and described cumulative time B, described cumulative time C, described distance L.
18, according to the described a kind of screen display electrical appliance of claim 17 with eyesight protection function; it is characterized in that: described phonation unit can perhaps be used for the button sounding of described input block to described cumulative time B, described cumulative time C, sounding and warning when described distance L reaches described setting value B1, described setting value C1, described setting value L1 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510035998XA CN100437401C (en) | 2005-07-13 | 2005-07-13 | Vision protection device with timing function and screen display electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510035998XA CN100437401C (en) | 2005-07-13 | 2005-07-13 | Vision protection device with timing function and screen display electrical appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1877472A true CN1877472A (en) | 2006-12-13 |
| CN100437401C CN100437401C (en) | 2008-11-26 |
Family
ID=37509933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510035998XA Expired - Fee Related CN100437401C (en) | 2005-07-13 | 2005-07-13 | Vision protection device with timing function and screen display electrical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100437401C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141784A (en) * | 2010-02-02 | 2011-08-03 | 张伟斌 | Health protection device for preventing closely and excessively using equipment with screens |
| CN102237073A (en) * | 2010-04-27 | 2011-11-09 | 吴立中 | Method and system for protecting vision |
| CN104980810A (en) * | 2015-07-16 | 2015-10-14 | 福建师范大学福清分校 | Kid television eyesight protection system and protection method thereof |
| CN105513297A (en) * | 2015-12-11 | 2016-04-20 | 李金秀 | Sitting posture prompting apparatus capable of automatic setting |
| CN108074246A (en) * | 2017-11-09 | 2018-05-25 | 王涛 | Vision impairment monitor supervision platform |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2371737Y (en) * | 1999-04-01 | 2000-03-29 | 方志平 | Automatic monitor for watching television distance |
| CN2532540Y (en) * | 2001-08-07 | 2003-01-22 | 陈炳文 | Eye protective warning device |
| CN1419218A (en) * | 2002-12-26 | 2003-05-21 | 容云 | Time controller for power supply of domestic entertainment electric appliances |
| CN2610422Y (en) * | 2003-03-25 | 2004-04-07 | 欧阳和 | Children vision protector for controlling TV. by sensing of range of visibility |
| CN2687724Y (en) * | 2004-02-23 | 2005-03-23 | 高晓忠 | Signal power supply controller for television and computer |
| CN1564099A (en) * | 2004-04-20 | 2005-01-12 | 胡建平 | Limit controller for displaying device |
-
2005
- 2005-07-13 CN CNB200510035998XA patent/CN100437401C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141784A (en) * | 2010-02-02 | 2011-08-03 | 张伟斌 | Health protection device for preventing closely and excessively using equipment with screens |
| CN102237073A (en) * | 2010-04-27 | 2011-11-09 | 吴立中 | Method and system for protecting vision |
| CN104980810A (en) * | 2015-07-16 | 2015-10-14 | 福建师范大学福清分校 | Kid television eyesight protection system and protection method thereof |
| CN105513297A (en) * | 2015-12-11 | 2016-04-20 | 李金秀 | Sitting posture prompting apparatus capable of automatic setting |
| CN105513297B (en) * | 2015-12-11 | 2018-03-27 | 李金秀 | A kind of sitting posture reminder of automatically setting |
| CN108074246A (en) * | 2017-11-09 | 2018-05-25 | 王涛 | Vision impairment monitor supervision platform |
| CN108074246B (en) * | 2017-11-09 | 2021-08-06 | 深圳市明瞳视光科技有限公司 | Vision impairment monitoring system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100437401C (en) | 2008-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1877472A (en) | Vision protection device with timing function and screen display electrical appliance | |
| US7902990B2 (en) | Battery and power management for industrial inspection handset | |
| US9899827B2 (en) | Safety power socket device and safety power socket device with remote monitor management | |
| DE112009000536T5 (en) | Device for visual examination | |
| CN105581851A (en) | Visualized tooth washer | |
| CN106354025A (en) | Intelligent household appliance control method and device based on voice recognition and air conditioner | |
| CN1667908A (en) | Terminal table unit and method of controlling same | |
| US20210200294A1 (en) | Controlling operations of cameras based on power state transitions | |
| CN201946269U (en) | Automatic control system for power switch of light emitting diode (LED) display screen | |
| CN102759893B (en) | Industrial remote controller and energy saving control method thereof | |
| CN207625658U (en) | A kind of monopod video camera with privacy protection function | |
| US9066398B2 (en) | Method for reducing standby power consumption | |
| CN111212185A (en) | Eye protection mode starting method and device, storage medium and terminal | |
| CN103176415A (en) | Intelligent electric control device and intelligent electric control method based on facial recognition technology | |
| CN104394454A (en) | Method and device for controlling intelligent standby of set top box | |
| CN101442635A (en) | Method and apparatus for automatically adjusting television picture image parameter | |
| CN214670281U (en) | Energy-saving temperature control device | |
| CN212079717U (en) | Connection structure of fan controller and hand controller | |
| CN2938635Y (en) | TV. set with timing standby screen protection function | |
| CN211831556U (en) | Mounting structure of fan controller | |
| CN211830633U (en) | Fan controller | |
| CN211089809U (en) | Overhauling device with visual camera shooting structure | |
| CN205005209U (en) | Intelligence STB based on action sensor | |
| CN212079716U (en) | Hand controller capable of adjusting maximum rotating speed of fan in real time | |
| CN108566563A (en) | Digital television devices method for managing power supply and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081126 Termination date: 20180713 |