CN202870296U - Eyesight protection system matched with display screen to be used - Google Patents
Eyesight protection system matched with display screen to be used Download PDFInfo
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- CN202870296U CN202870296U CN 201220408792 CN201220408792U CN202870296U CN 202870296 U CN202870296 U CN 202870296U CN 201220408792 CN201220408792 CN 201220408792 CN 201220408792 U CN201220408792 U CN 201220408792U CN 202870296 U CN202870296 U CN 202870296U
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- protection system
- eyesight protection
- display screen
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- electronic distance
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Abstract
The utility model relates to an eyesight protection system matched with a display screen to be used. The eyesight protection system comprises an electronic distance measuring device (6) which is horizontally pivoted onto the display screen body or the connection piece; and electric connection is carried out on the electronic distance measuring device via pivoting shafts (8A,8B) and the mounting bases (10A,10B). According to the eyesight protection system, directions of electronic eyes can be adjusted according to the best angle of view of the display screen, a user can be reminded accurately, and the eyesight of the user can then be protected.
Description
Technical field
The utility model relates to eyesight protection system, is specifically related to a kind of eyesight protection system that is used in conjunction with display screen, especially is applied on the children for learning product.
Background technology
Chinese utility model patent " with the children for learning product of display screen ", application number 200920134400.6, a kind of children for learning electronic product is disclosed, because the user is children, in use can be because some reason cause the distance of eyes and screen too little, the growth if long-time like this operation just might affect one's power of vision.To be that this study product installs electronic eyes as a kind of optional solution, in common infrared, electronic installation that ultrasound wave makes up, owing to directive property and Power Limitation have the angle problem, thus testing result along the electronic eyes detection side to the axis decay so that reflection user's that can't be correct when not having angular adjustment distance.Present vision protection device can't solve towards with the technical matters of screen orientation change, perhaps also not having such vision protection device to be disclosed.
The utility model content
The utility model technical issues that need to address are, how a kind of eyesight protection system that is used in conjunction with display screen is provided, and can change reflection user in the right direction and the distance of display screen, further can automatically regulate.
The utility model technical matters solves like this: make up a kind of eyesight protection system that is used in conjunction with display screen, comprise the electronic distance pick-up unit, it is characterized in that, described electronic distance pick-up unit horizontal pivot is connected on plane, described display screen place or its web member; Described electronic distance pick-up unit also is electrically connected by drive-connecting shaft and mounting seat thereof.
The eyesight protection system that is used in conjunction with display screen that provides according to the utility model, described electronic distance pick-up unit horizontal pivot are connected in the body recess of center, described display screen top.
The eyesight protection system that is used in conjunction with display screen that provides according to the utility model, described electronic distance pick-up unit horizontal pivot is connected between two mounting seat standing on described display screen top.
The eyesight protection system that is used in conjunction with display screen that provides according to the utility model, described electrical connection uses a side or two side drive-connecting shafts as electrode, and at this side drive-connecting shaft cover concentric becket is arranged, and is electrically connected by brush.
The eyesight protection system that is used in conjunction with display screen that provides according to the utility model, described brush comprises light spring and resilient sheet metal, is pressed on the corresponding becket of drive-connecting shaft side.
The eyesight protection system that is used in conjunction with display screen that provides according to the utility model, this system also comprises main control chip and the power supply that is electrically connected with described electronic distance pick-up unit.
The eyesight protection system that is used in conjunction with display screen that provides according to the utility model, this system also comprises and the automatic angle adjusting mechanism that drives described drive-connecting shaft and vertically rotate.
The eyesight protection system that is used in conjunction with display screen that provides according to the utility model, described angle adjusting mechanism is the gear train of gravity transmission or Electromagnetical drive.
The eyesight protection system that is used in conjunction with display screen that provides according to the utility model; described angle adjusting mechanism is electrically connected main control chip; the employing passive mode is regulated; as: under the Action of Gravity Field after the counterweight, no matter display screen is in the arbitrarily angled direction initialization that remains under the Action of Gravity Field of movable stroke in the spacing scope of governor motion.
The eyesight protection system that is used in conjunction with display screen that provides according to the utility model; described angle adjusting mechanism is electrically connected main control chip; the employing active mode is regulated, as: angular adjustment electromagnetism transmission mechanism as described in adjusting according to children for learning product display screen rotational angle.
The eyesight protection system that is used in conjunction with display screen that provides according to the utility model, described electronic distance pick-up unit set firmly the detection side to outwardly infrared or ultrasound examination electronic eyes.
The eyesight protection system that is used in conjunction with display screen that the utility model provides by integrated machine and circuit design, organically combines sight protectio and display screen, compared with prior art has the following advantages:
1, uses and can movable electronic distance pick-up unit can reduce the detection the region between the heart and the diaphragm district that infrared in the existing electronic distance pick-up unit, ultrasound wave etc. approaches or Distance-sensing directive property is brought, improve the consistance of the distance that detects;
2, self-checking device has guaranteed that the electronic distance pick-up unit working under the detection angles reliably, can guarantee the precision that detects, thereby can not disturb user's normal use or use under non-correct distance and can not point out because of misoperation;
3, use gravity counterweight or electromagnetic force can reduce cost, and less power consumption arranged, wherein as the counterweight mode of embodiment fully by segregation drive, do not produce power consumption during transmission.
Description of drawings
Further the utility model is elaborated below in conjunction with the drawings and specific embodiments.
Fig. 1 is the one-piece construction schematic diagram of the children learning machine of the utility model specific embodiment;
Fig. 2 is the structural representation of eyesight protection system among Fig. 1.
Embodiment
At first, three keys of the present utility model are described:
(1) electronic eyes (critical component in the electronic distance pick-up unit)
Used electronic eyes detecting the distance of user and electronic eyes, this electronic eyes comprises ultrasound wave, the active distance such as infrared and near sensing mode; For reaching the purpose of vision protection, it detects distance should be more than 20cm; This electronic eyes comprises various not active apart from detection mode to Body composition harm, such as infrared (non-laser), ultrasound wave.The infrared split type and integrated component that comprises present use wherein is comprising the infrared proximity transducer mode that is packaged into chip.Ultrasound wave also comprises split type and the integral type device.
(2) head at electronic eyes place (being the electronic distance pick-up unit)
Head makes the electronic eyes can be in the vertical direction activity of the positive angle of display screen, can self-adaptation in angular field of view with wide-angle realization defencive function.Head is set as on a certain direction initialization and moves in a circle along installation shaft, when the angled variation in the display screen plane of study product, can move along this axle, to regulate the electronic eyes detection angles.In addition, head can carry out the adjusting of angle under the effect of magnetic force, also can regulate under action of gravitation after the counterweight; Utilize base self glue spare as spacing at base position, need not in 360 degree scopes, to regulate.
(3) head has electrical connection
Eyesight protection system has electrical specification, has electrode and is its power supply, and use electrode transmission detection signal; Specifically head has Electric connection characteristic, for electronic eyes provides power supply and settling signal transmission; Use the drive-connecting shaft of installing as electrode, and at axle concentric becket is housed, realize electrical connection by brush; Described brush comprises light spring and resilient sheet metal.Spring or sheet metal side pressure are on the becket of axle side, to realize electrical connection; Described signal transmission comprises level skip signal and serial data; The described signal transmission passage that is made of brush is only installed brush in a side according to the requirement of signal transmission when only having the level skip signal or using the unibus mode.
The second, further describe in conjunction with the utility model specific embodiment:
(1) forms installation
The electronic eyes pcb board that infrared detection is installed is installed in one can be along on the parts of installation shaft rotation, and this installing component has carried out counterweight, can be so that the axis that electronic eyes detects is set angle forward with level in the edge always under action of gravitation.The installation shaft both sides are metal shaft, realize electrical connection with the mounting seat of placing installation shaft, and the installation shaft side is becket, realize electrical connection by the brush that is formed by spring.The electronic eyes function PCB can detect the detection side to having or not object when work, can give the processor of study product to carry out subsequent operation by the transmission level signal when object is in setting range.Wherein:
Electronic eyes also can be realized with small-sized ultrasonic device.
Electronic eyes can be integrated device, also can be discrete device.
The signal of electronic eyes transmission can be the level signal of saltus step or the data of universal serial bus.
The rotation of head also can drive under the effect of magnetic force, such as electromagnet.
(2) principle of work
As illustrated in fig. 1 and 2, head 5 is installed in the automatic sighting distance proving installation 3 of the upper formation of mounting seat 10A, 10B children learning machine, light spring is installed in mounting seat 10A, the 10B cooperates head 5 to rotate along rotor shaft direction 12.Brush 11A, 11B are the metal connecting materials, may be selected to be light spring or resilient sheet metal.
As a kind of optional embodiment, head 5 is carried out counterweight, make the sensing along continuous straight runs of electronic eyes 7A, 7B, regulate the position of counterweight to regulate the angle of electronic eyes 7A, 7B and surface level.
Concrete operation steps is:
101) renovating of children for learning product 1 can be rotated the position that should open it in use and use to convenient along renovating rotating shaft.
102) head 5 under the effect of counterweight by the eyesight protection system on the display screen screen 2 window (or groove) point to horizontal level always.
103) electronic eyes on the head 5 is powered by brush contacting metal ring 9A, 9B.
104) when the user near display screen screen 2, less than set apart from the time, electronic eyes 7A, 7B output signal, and transfer to main frame by drive-connecting shaft 8A, 8B are analyzed rear execution to signal and are operated accordingly.
When the position of 105) renovating is in wide-angle, the counterweight in the head 5 so that the sensing of electronic eyes 7A, 7B still along optimum orientation 4.
106) rotational angle that glue spare can restraint device 5 is arranged at mounting seat 10A, 10B place, it is only worked in renovating the scope that can normally use.
At last, in those of ordinary skills understood scope, in the utility model claim scope, various variations all belonged to protection domain of the present utility model.
Claims (10)
1. an eyesight protection system that is used in conjunction with display screen comprises electronic distance pick-up unit (6), it is characterized in that, described electronic distance pick-up unit horizontal pivot is connected on described display screen body or its web member; Described electronic distance pick-up unit also is electrically connected by drive-connecting shaft (8A, 8B) and mounting seat (8A, 8B) thereof.
2. described eyesight protection system according to claim 1 is characterized in that, described electronic distance pick-up unit (6) horizontal pivot is connected in the body recess of center, described display screen screen (2) top.
3. described eyesight protection system according to claim 1 is characterized in that, described electronic distance pick-up unit (6) horizontal pivot is connected between the mounting seat of standing on described display screen top.
4. each described eyesight protection system according to claim 1-3; it is characterized in that; described electrical connection uses a side or two side drive-connecting shafts (8A, 8B) as electrode, and at this side drive-connecting shaft cover concentric becket is arranged, and (11A, 11B) is electrically connected by brush.
5. described eyesight protection system according to claim 4 is characterized in that, described brush (11A, 11B) comprises light spring and resilient sheet metal, is pressed on the corresponding becket (9A, 9B) of drive-connecting shaft (8A, 8B) side.
6. each described eyesight protection system is characterized in that according to claim 1-3, and this system also comprises main control chip and the power supply that is electrically connected with described electronic distance pick-up unit (6).
7. each described eyesight protection system is characterized in that according to claim 1-3, and this system also comprises the automatic angle adjusting mechanism that vertically rotates with the described drive-connecting shaft of drive (8A, 8B).
8. described eyesight protection system according to claim 7 is characterized in that, described angle adjusting mechanism is by the adaptive passive governor motion of Action of Gravity Field after the counterweight.
9. described eyesight protection system according to claim 7 is characterized in that, also comprises the electromagnetism governor motion that is connected with described angle adjusting mechanism.
10. each described eyesight protection system is characterized in that according to claim 1-3, described electronic distance pick-up unit fixed test direction infrared or ultrasound examination electronic eyes (7A, 7B) outwardly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220408792 CN202870296U (en) | 2011-12-14 | 2012-08-17 | Eyesight protection system matched with display screen to be used |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120526880.8 | 2011-12-14 | ||
| CN201120526880 | 2011-12-14 | ||
| CN 201220408792 CN202870296U (en) | 2011-12-14 | 2012-08-17 | Eyesight protection system matched with display screen to be used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202870296U true CN202870296U (en) | 2013-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220408792 Expired - Fee Related CN202870296U (en) | 2011-12-14 | 2012-08-17 | Eyesight protection system matched with display screen to be used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202870296U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646516A (en) * | 2013-11-04 | 2014-03-19 | 广东明创软件科技有限公司 | Eyesight protection method and device having eyesight protection function |
-
2012
- 2012-08-17 CN CN 201220408792 patent/CN202870296U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646516A (en) * | 2013-11-04 | 2014-03-19 | 广东明创软件科技有限公司 | Eyesight protection method and device having eyesight protection function |
| CN103646516B (en) * | 2013-11-04 | 2016-02-17 | 广东明创软件科技有限公司 | The method of vision protection and there is the equipment of vision protection function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20160817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |