CN203966477U - A kind of glare prevention LED face shield and with the LED display board of this face shield - Google Patents
A kind of glare prevention LED face shield and with the LED display board of this face shield Download PDFInfo
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- CN203966477U CN203966477U CN201420293164.3U CN201420293164U CN203966477U CN 203966477 U CN203966477 U CN 203966477U CN 201420293164 U CN201420293164 U CN 201420293164U CN 203966477 U CN203966477 U CN 203966477U
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- face shield
- double wedge
- led
- shield body
- glare prevention
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- 230000004313 glare Effects 0.000 title claims abstract description 19
- 230000002265 prevention Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 description 6
- 230000007812 deficiency Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241000127225 Enceliopsis nudicaulis Species 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
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Abstract
The utility model discloses a kind of glare prevention LED face shield and with the LED display board of this face shield, on the face shield body of this kind of LED face shield, be provided with double wedge, described double wedge can avoid forming dazzle by sunlight reflection, raising is with the display quality of the LED display board of this kind of face shield, serious light pollution problem, the production difficulty that has reduced product and the production cost of having avoided too high luminosity to bring, for enterprise brings better economic benefit.
Description
Technical field
The utility model relates to LED application, particularly a kind of glare prevention LED face shield and with the LED display board of this face shield.
Background technology
Outdoor display screen need to be presented to the public by picture, and will make picture seem clear, need to form contrast with luminous color; In practical application, improve luminescence unit brightness and become conventional selection, but higher brightness means higher energy consumption, need better radiating mode, thermal component, performance requirement to light-emitting component is higher, also will how to guarantee component life etc. simultaneously, how to reduce production costs, the problem such as use cost; Too high luminosity can cause light pollution in addition, has a strong impact on surrounding environment, therefore, is difficult to tackle the problem at its root merely by improving the luminosity of luminescence unit;
Outdoor display screen is a whole screen body normally, and except luminous component, other parts all can be regarded background as; The difference of luminous component brightness and background luminance is larger, and people watches a long way off and can feel that picture is more clear; Background luminance is mainly to sun reflection of light, and the visual range that the light of reflection enters people is few, and it is darker that background will seem; Some can do a little rough lines existing display screen on display panel, after getting on, upsets through scraggly reflection solar light irradiation, there is the effect that reduces background luminance, but after most of sunlight reflected, still enter people's the scope of watching, and directly flashed back the sunlight people's the scope of watching of many little planes, forms little dazzle face.
In view of this, the purpose of this utility model is to provide a kind of new technical scheme to solve existing technical matters.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of glare prevention LED face shield and with the LED display board of this face shield, has solved that existing LED face shield or LED display board easily produce dazzle and the technological deficiency that affects display quality.
The utility model solves the technical scheme that its technical matters adopts:
A kind of glare prevention LED face shield, described face shield comprises face shield body, described face shield body stretches out and is useful on the double wedge of anti-dazzle at one sidewall, and in described double wedge, each double wedge extends in a sidewall horizontal of face shield body, and a plurality of double wedges are in the setting that distributes up and down of the sidewall of face shield body.
As the improvement of technique scheme, described double wedge is lance tooth.
Further improvement as technique scheme, described face shield body vertically arranges, the upper side of face shield body upper raised teeth and the angle between surface level are 0～20 °, and the downside of described face shield body upper raised teeth and the angle between surface level are less than or equal to 60 °.
As the further improvement of technique scheme, the projection size of the downside of described double wedge on face shield body side is more than or equal to the twice of the projection size of double wedge upper side on face shield body side.
As the further improvement of technique scheme, described double wedge is less than double wedge at the projection size of face shield body side at the projection size of surface level.
As the further improvement of technique scheme, on described face shield body, distribute and be provided with the through hole for mounted LED lamp bulb.
A glare prevention LED display board, comprises described LED face shield and display unit, and the LED lamp pearl of described display unit is placed in the through hole arranging on above-mentioned face shield body.
The beneficial effects of the utility model are: the utility model provides a kind of glare prevention LED face shield and with the LED display board of this face shield, the sidewall of described LED face shield is provided with double wedge that can reflection ray, avoid sunray to form dazzle after face shield reflection, improved the LED lamp pearl display comparison degree on LED display board, the outdoor display quality that has greatly promoted this kind of LED face shield, is conducive to reduce energy consumption.This kind of glare prevention LED face shield and solved that existing LED face shield or LED display board easily produce dazzle and the technological deficiency that affects display quality with the LED display board of this face shield.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of face shield in the utility model;
Fig. 2 is the partial enlarged drawing of M in Fig. 1;
Fig. 3 is the side view of face shield in the utility model;
Fig. 4 is the partial enlarged drawing of face shield side-looking in the utility model;
Fig. 5 is the anti-dazzle principle schematic of face shield when incident angle is larger in the utility model;
Fig. 6 be in the utility model face shield in incident angle anti-dazzle principle schematic hour.
Embodiment
Below with reference to embodiment and accompanying drawing, the technique effect of design of the present invention, concrete structure and generation is clearly and completely described, to understand fully object of the present invention, feature and effect.Obviously; described embodiment is a part of embodiment of the present invention, rather than whole embodiment, based on embodiments of the invention; other embodiment that those skilled in the art obtains under the prerequisite of not paying creative work, all belong to the scope of protection of the invention.In addition, all connection/annexations that relate in patent, not singly refer to that member directly joins, and refer to and can by adding or reducing, connect auxiliary according to concrete performance, form more excellent draw bail.Each technical characterictic in the invention, can combination of interactions under the prerequisite of not conflicting conflict.With reference to Fig. 1-6.
Specifically with reference to Fig. 1, a kind of glare prevention LED face shield, described face shield comprises face shield body 1, described face shield body 1 stretches out and is useful on the double wedge 2 of anti-dazzle at one sidewall, in described double wedge 2, each double wedge 2 extends in a sidewall horizontal of face shield body 1, and a plurality of double wedges 2 are in the setting that distributes up and down of the sidewall of face shield body 1.
Described a kind of glare prevention LED face shield, is characterized in that: described double wedge 2 is lance tooth.
Described face shield body 1 vertically arranges, the upper side 21 of face shield body 1 upper raised teeth 2 and the angle between surface level (with reference to included angle A in Fig. 4) are 0～20 °, and the downside 22 of described face shield body 1 upper raised teeth 2 and the angle between surface level (with reference to included angle B in Fig. 4) are less than or equal to 60 °.
The projection size of the downside 22 of described double wedge 2 on face shield body 1 side is more than or equal to the twice of the projection size of double wedge 2 upper sides 21 on face shield body 1 side.
Described double wedge 2 is less than double wedge 2 at the projection size of face shield body 1 side at the projection size of surface level.
Generally, the incident angle of sunlight is a value range θ, and the intermediate value that can get solar angle according to practical service environment when determining the angle value of θ arranges the B angle of double wedge 2 as reference angle; With reference to Fig. 4, Fig. 5, reference angle top is divided into higher incident angle, and this interval light is relatively strong, and the B angle of double wedge 2 is less than reference angle, is beneficial to form more large-area shadow surface (with reference to S in Fig. 5), avoids occurring excessive reflective surface area;
Because actual production technology needs, A angle is not advise getting 0 °; Upper side 21 and the included angle A between surface level of double wedge 2 are got between 0～20 °; The downside 22 of double wedge 2 and included angle B≤60 ° between surface level;
If the groove of the thickness H of double wedge 2 and double wedge 2 is excessive apart from the ratio of L, the groove that double wedge is 2 is too shallow, is unfavorable for the formation of shade; But it is too high also not recommend that H value is set, increase difficulty of processing, preferably L ﹥ H ﹥ 0.35mm;
Double wedge 2 is in the projection of face shield body 1 sidewall, 2 times of its underpart length >=upper partial-length, and L1/L2 ﹥ 2; This is in order to make the sunlight that shines top and the bottom avoid beholder's visual range through reflection, to eliminate dazzle;
When geographic position that screen body is used from terrestrial equator close to time, as Fig. 5, solar angle integral body is higher, and light is strong, can increase H value according to condition as far as possible, A angle is got littlely as far as possible with this understanding, makes sunlight at the larger shade of groove bottom formation; When geographic position that screen body is used from terrestrial equator away from time, as Fig. 6, solar angle integral body is on the low side, when can increase H value, suitably strengthen A angle, corresponding B angle can reduce, but B angle is at least large more than 30 ° than A angle, most light reflections is gone out to people's the scope of watching;
In addition, on double wedge 2 not perpendicular to the plane on earth's surface, eliminated sunlight directly reflex to can viewing areas possibility, there will not be dazzle face;
On described face shield body 1, distribute and be provided with the through hole for mounted LED lamp bulb 3.
Anti-dazzle face shield based on above-mentioned, the utility model also provides a kind of glare prevention LED display board, comprises above-mentioned LED face shield and display unit, and the LED lamp pearl 3 of described display unit is placed in the through hole arranging on above-mentioned face shield body 1.
More than that better enforcement of the present utility model is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and the distortion that these are equal to or replacement are all included in the application's claim limited range.
Claims (7)
1. a glare prevention LED face shield, it is characterized in that: described face shield comprises face shield body (1), described face shield body (1) stretches out and is useful on the double wedge (2) of anti-dazzle at one sidewall, in described double wedge (2), each double wedge (2) extends in a sidewall horizontal of face shield body (1), and a plurality of double wedges (2) are in the setting that distributes up and down of the sidewall of face shield body (1).
2. a kind of glare prevention LED face shield according to claim 1, is characterized in that: described double wedge (2) is lance tooth.
3. a kind of glare prevention LED face shield according to claim 2, it is characterized in that: described face shield body (1) vertically arranges, the upper side (21) of face shield body (1) upper raised teeth (2) and the angle between surface level are 0～20 °, and the downside (22) of described face shield body (1) upper raised teeth (2) and the angle between surface level are less than or equal to 60 °.
4. a kind of glare prevention LED face shield according to claim 3, is characterized in that: the projection size of the downside (22) of described double wedge (2) on face shield body (1) side is more than or equal to the twice of the projection size of double wedge (2) upper side (21) on face shield body (1) side.
5. a kind of glare prevention LED face shield according to claim 4, is characterized in that: described double wedge (2) is less than double wedge (2) at the projection size of face shield body (1) side at the projection size of surface level.
6. according to a kind of glare prevention LED face shield described in claim 1-5 any one, it is characterized in that: the upper distribution of described face shield body (1) is provided with the through hole for mounted LED lamp bulb (3).
7. a glare prevention LED display board, is characterized in that: comprise LED face shield claimed in claim 6 and display unit, the LED lamp pearl (3) of described display unit is placed in the upper through hole arranging of above-mentioned face shield body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420293164.3U CN203966477U (en) | 2014-06-04 | 2014-06-04 | A kind of glare prevention LED face shield and with the LED display board of this face shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420293164.3U CN203966477U (en) | 2014-06-04 | 2014-06-04 | A kind of glare prevention LED face shield and with the LED display board of this face shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203966477U true CN203966477U (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420293164.3U Expired - Fee Related CN203966477U (en) | 2014-06-04 | 2014-06-04 | A kind of glare prevention LED face shield and with the LED display board of this face shield |
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| Country | Link |
|---|---|
| CN (1) | CN203966477U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509405A (en) * | 2018-12-28 | 2019-03-22 | 深圳市奥拓电子股份有限公司 | LED display |
-
2014
- 2014-06-04 CN CN201420293164.3U patent/CN203966477U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509405A (en) * | 2018-12-28 | 2019-03-22 | 深圳市奥拓电子股份有限公司 | LED display |
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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: 20141126 |