CN201034271Y - Single-faced lamp box employing LED illuminating source - Google Patents
Single-faced lamp box employing LED illuminating source Download PDFInfo
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- CN201034271Y CN201034271Y CNU2007201032876U CN200720103287U CN201034271Y CN 201034271 Y CN201034271 Y CN 201034271Y CN U2007201032876 U CNU2007201032876 U CN U2007201032876U CN 200720103287 U CN200720103287 U CN 200720103287U CN 201034271 Y CN201034271 Y CN 201034271Y
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- lamp box
- led light
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- 238000009792 diffusion process Methods 0.000 claims abstract description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000004411 aluminium Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000005286 illumination Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The utility model relates to a single surface lamp box which adopts LED light source. The lamp box comprises a lamp box body and a power supply, wherein the box body comprises a faceplate, a back plate, and a lamp box shell and the faceplate is made of acrylic diffusion plate; a plurality of LED luminescent modules, which consist of a plurality of LED luminescent tubes with super high brightness and large diffusion angle, each LED luminescent module is uniformly arranged on the back plate with intervals to form a back light source; an LED driving circuit, which is a high power integrated LED back light source constant current module, and is connected with the LED luminescent module and power supply to provide stable voltage and current for the LED luminescent module. The utility model has the advantages of uniform brightness, low energy consumption, long life, and low cost.
Description
Technical field
The utility model relates to lamp box, is meant a kind of single face lamp box that adopts led light source especially.
Background technology
Lamp box in the market mainly is to be light source with the fluorescent tube, and unit power is bigger, the energy consumption height, and every square metre is about 100～150 watts, and has the problem of uneven illumination, can form light and dark striped on picture, directly influences the effect of lamp box.Also have on the market with the Solar energy lamp box of LED luminous tube as backlight, the LED-backlit source all is unidirection luminous, be installed in the metal word back side and direct projection on word, to improve the brightness of word, because the angle of flare of backlight LED has only 15～30 degree, though brightness is high, illuminating area is little, also can't solve the problem of brightness disproportionation, but also limit the area of lamp box.Its supporting led drive circuit only adopts simple rectification to cooperate with current limliting in addition, the function that only has simple restriction electric current, the function that does not possess constant current, and power is too small, and the power of each driver module has only 0.24W～0.48W, makes a lamp box and need use the dozens of driver module, make the complex structure of lamp box, the defective that also has consumable TV university (account for total energy consumption 15～20%) makes the reliability decrease of lamp box, has also improved production cost.Therefore, existing is that the lamp box of light source is subjected to the uneven restriction of luminosity with LED, seldom be used to make lamp box, even make lamp box also is the side that led light source is arranged on casing, by the LGP conducting light, not only make lamp box structure complicated, improved the lamp box manufacturing cost, and be not real be the single face lamp box of backlight with LED.
Summary of the invention
At the problems referred to above, main purpose of the present utility model is to provide the single face lamp box of the employing led light source that a kind of brightness is even, energy consumption is low, the life-span is long.
For achieving the above object, the utility model is by the following technical solutions: a kind of single face lamp box that adopts led light source, comprise light box and power supply, it is characterized in that: described casing comprises panel, backboard and lamp box shell, and described panel adopts the acrylic diffuser plate to make; A plurality of LED light emitting modules, described LED light emitting module is made up of the big diffusion corner LED of a plurality of super brightness luminous tube, and each described LED light emitting module is disposed on the described backboard equably, forms backlight; One led drive circuit, described led drive circuit are high-power integrated LED backlight constant flow module, connect described LED light emitting module and described power supply, for described LED light emitting module provides stable voltage, electric current.
Described LED luminous tube is arranged on the aluminium base, and is formed as one.
The quantity of the LED luminous tube on each described LED light emitting module is 3～4.
The described LED light emitting module quantity of every square metre of lamp box light-emitting area setting is 30～40.
The quantity of the described LED light emitting module of every square metre of lamp box light-emitting area setting is the best with 34.
The angle of flare of described LED luminous tube is 140～160 degree.
Installing space between each described LED light emitting module is 300 millimeters.
Described led drive circuit adopts the IC programme-control, is exported by the negative-feedback circuit software control.
Adopt technique scheme, the utlity model has following advantage: 1, because the utility model adopts no filament light sources illumination, life-span and high temperature performance reliability improve greatly.The led light source life-span of the big angle of flare of super brightness reaches 50,000 hours, compares with the traditional lighting light fixture, and same brightness can economize on electricity 90%, and can directly start under the environment of low temperature 40 degree, the no-reverse change device, and reliability improves 20 times.2, the utility model is LED luminous tube modularization, and not only simple installation also can be adjusted lamp box brightness by increasing or reduce the LED light emitting module according to user's needs, is that mean flow rate reaches 40 nits under 18W/ square metre the situation at general power.3, the utility model adopts high-power integrated LED backlight constant flow module to replace traditional led drive circuit, making over needs the drive circuit of dozens of only to reduce to need one, not only reduced cost, installment work is simplified, more can obviously improve the reliability of lamp box, reduce fault rate.
Description of drawings
Fig. 1 is the utility model schematic diagram
Fig. 2 is the utility model side sectional view
The specific embodiment
In order to describe structure of the present utility model and characteristics in detail, existing following preferred embodiment of act and conjunction with figs. are described as follows.
As shown in Figure 1 and Figure 2, the utility model comprises light box 1, is installed in LED light emitting module 2, led drive circuit 3 and power supply 4 in the casing 1.
Casing 1 comprises panel 11, backboard 12 and lamp box shell 13.Panel 11 adopts common acrylic diffuser plate to make, and 12 of backboards can adopt various suitable materials to make, and the shape of casing 1 can be the shape of various needs such as square, rectangle, circle or font shape.
It is that 140～160 super brightness luminous tubes of spending are made the special-purpose big diffusion corner LED of square light emitting module that LED light emitting module 2 adopts angle of flare, comprise 4 LED luminous tubes 21 in each LED light emitting module 2, aluminium base 22 integrated setting of each LED luminous tube 21 and 2 millimeters thick, arrange at regular intervals and be arranged on the lamp box backboard 12 the formation backlight.The utility model adopts is arranged on the LED luminous tube mode on the aluminium base, both can be the heat radiation of LED luminous tube, guarantee LED-backlit source light emitting module maintain 42～45 the degree low operating temperatures between move, to reduce light decay and to increase the service life, can on aluminium base, carry out mechanical punching again, be convenient to 2 arrangements of LED light emitting module are installed on the lamp box backboard 12.And aluminium base 22 is made square, is convenient to arrange install.
The lamp box of different area is to angle of flare, quantity and the light intensity requirement difference of LED luminous tube 21, the technical indicator that LED luminous tube 21 should satisfy is: colour temperature 4500～6000K, angle of flare 140～160 degree, wherein the light intensity of single LED luminous tube reaches 1000～1500mcd at least.The power of each LED light emitting module 2 is controlled at 0.48W, and operating voltage is DC12V.Be installed on the backboard 22 satisfying the angle of flare of above-mentioned requirements and the LED light emitting module 2 of light intensity, can make the mean flow rate of lamp box reach the standard of 40 nits, and can on panel 11, form uniform illumination, avoid because of even shade or the hot spot that produces of uneven illumination.
According to the thickness of different lamp boxes, adjust power, quantity, the angle of flare of LED light emitting module 2, can on panel 11, shine the uniform picture of formation.Learn through experiment, when being installed in the LED light emitting module 2 that satisfies above-mentioned technical indicator in the lamp box, the quantity that every square metre of lamp box light-emitting area is joined LED light emitting module 2 is 30～40, with 34 be the best, the installing space that each LED light emitting module is 2 is good with 300mm.The power of whole lamp box can reach 18W.
Generally, lamp house thickness is as surpassing 100 millimeters, and effect can not reach mean flow rate 40 nit standards.But the experiment proved that lamp box of the present utility model is 80mm at minimum thickness, maximum ga(u)ge is all can reach brightness requirement in the scope of 140mm.
Because common led drive circuit has only 300 milliamperes or 500 milliamperes two kinds, can only play the function of simple restriction electric current, can not realize constant current, and power is too small, the consumable TV university.The utility model is if adopt common led drive circuit, and a lamp box just needs to install dozens of led drive circuit module, and not only reliability decrease has also improved cost.Led drive circuit 3 of the present utility model adopts high-power integrated LED backlight constant flow module, has three kinds of 10W, 20W, 25W, adopts the IC programme-control, is exported by the negative-feedback circuit software control.Automatically reduce output current and voltage when input voltage is high, input voltage is low, improves output voltage and electric current automatically.Realized that not only a lamp box only need adopt a constant flow module, and realized that (9～16V), negative-feedback constant current output has reduced by 50% hardware, and reliability is obviously improved, and is particularly useful for solar power system in wide voltage input.Because led drive circuit 3 can customize to manufacturer, so be not described in detail in this.
Power supply 4 of the present utility model can adopt solar power system, wind generator system or common various power supply modes such as AC power, is suitable for various places and installs and uses.
Adopt above-mentioned design, LED-backlit provided by the utility model source lamp box area all can meet the requirements up to 10 square metres by 0.1 square metre, distance is just high-visible outside 200 meters, and has a low-cost high-efficiency reliable characteristics, be applicable to various public places such as advertising, Information sign indication, for businessman provide night obvious visible figure, public information sign and character introduction etc., bootable customer consumption improves businessman's income.
Claims (8)
1. a single face lamp box that adopts led light source comprises light box and power supply, it is characterized in that:
Described casing comprises panel, backboard and lamp box shell, and described panel adopts the acrylic diffuser plate to make;
A plurality of LED light emitting modules, described LED light emitting module is made up of the big diffusion corner LED of a plurality of super brightness luminous tube, and each described LED light emitting module is disposed on the described backboard equably, forms backlight;
One led drive circuit, described led drive circuit are high-power integrated LED backlight constant flow module, connect described LED light emitting module and described power supply, for described LED light emitting module provides stable voltage, electric current.
2. a kind of according to claim 1 single face lamp box that adopts led light source is characterized in that: described LED luminous tube is arranged on the aluminium base, and is formed as one.
3. as a kind of single face lamp box that adopts led light source as described in the claim 2, it is characterized in that: the quantity of the LED luminous tube on each described LED light emitting module is 3～4.
4. as a kind of single face lamp box that adopts led light source as described in claim 1 or 2 or 3, it is characterized in that: the described LED light emitting module quantity of every square metre of lamp box light-emitting area setting is 30～40.
5. as a kind of single face lamp box that adopts led light source as described in the claim 4, it is characterized in that: the quantity of the described LED light emitting module that every square metre of lamp box light-emitting area is provided with is the best with 34.
6. a kind of according to claim 1 single face lamp box that adopts led light source is characterized in that: the angle of flare of described LED luminous tube is 140～160 degree.
7. a kind of according to claim 1 single face lamp box that adopts led light source is characterized in that: the installing space between each described LED light emitting module is 300 millimeters.
8. a kind of according to claim 1 single face lamp box that adopts led light source is characterized in that: described led drive circuit adopts the IC programme-control, is exported by the negative-feedback circuit software control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201032876U CN201034271Y (en) | 2007-01-19 | 2007-01-19 | Single-faced lamp box employing LED illuminating source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201032876U CN201034271Y (en) | 2007-01-19 | 2007-01-19 | Single-faced lamp box employing LED illuminating source |
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| Publication Number | Publication Date |
|---|---|
| CN201034271Y true CN201034271Y (en) | 2008-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007201032876U Expired - Fee Related CN201034271Y (en) | 2007-01-19 | 2007-01-19 | Single-faced lamp box employing LED illuminating source |
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| CN (1) | CN201034271Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102332233A (en) * | 2011-10-17 | 2012-01-25 | 黄海晏 | Non-glare LED (Light Emitting Diode) soft light box |
| CN102506314A (en) * | 2011-10-17 | 2012-06-20 | 黄海晏 | Easily folded LED (light-emitting diode) screen lamp |
| CN105139778A (en) * | 2015-05-18 | 2015-12-09 | 闫新 | Backlight adjustable light display device |
| CN105546362A (en) * | 2016-01-27 | 2016-05-04 | 依瓦塔(上海)精密光电有限公司 | LED optical system for forming uniform and square light spots |
-
2007
- 2007-01-19 CN CNU2007201032876U patent/CN201034271Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102332233A (en) * | 2011-10-17 | 2012-01-25 | 黄海晏 | Non-glare LED (Light Emitting Diode) soft light box |
| CN102506314A (en) * | 2011-10-17 | 2012-06-20 | 黄海晏 | Easily folded LED (light-emitting diode) screen lamp |
| CN105139778A (en) * | 2015-05-18 | 2015-12-09 | 闫新 | Backlight adjustable light display device |
| CN105546362A (en) * | 2016-01-27 | 2016-05-04 | 依瓦塔(上海)精密光电有限公司 | LED optical system for forming uniform and square light spots |
| CN105546362B (en) * | 2016-01-27 | 2020-11-17 | 江西依瓦塔光电科技有限公司 | LED optical system for forming uniform square light spots |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 |