CN203386442U - Automatic brightness adjusting light-emitting diode (LED) lamp box - Google Patents
Automatic brightness adjusting light-emitting diode (LED) lamp box Download PDFInfo
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- CN203386442U CN203386442U CN201320342261.2U CN201320342261U CN203386442U CN 203386442 U CN203386442 U CN 203386442U CN 201320342261 U CN201320342261 U CN 201320342261U CN 203386442 U CN203386442 U CN 203386442U
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Abstract
The utility model relates to an automatic brightness adjusting LED lamp box. The LED lamp box comprises a box body, an LED lamp panel, a lamp box panel, an illuminance transducer, a control unit and at least one LED drive unit. The LED lamp panel is arranged in the box body and provided with arrays formed by a plurality of LEDs; the lamp box panel is arranged on at least one surface of the box body and covers the LED lamp panel; the illuminance transducer is arranged on the box body and is used for sensing the brightness strength around the box body; the control unit is electrically connected with the illuminance transducer and receives signals of the illuminance transducer; the at least one LED drive unit is electrically connected with the control unit and controls the luminous intensity of LED arrays in the LED lamp panel. According to the automatic brightness adjusting LED lamp box, the illuminance transducer, the control unit and the at least one LED drive unit are used for adjusting the LED lamp panel brightness rapidly and conveniently according to the environment illumination intensity, electricity is saved, and the LED lamp panel service life is prolonged.
Description
Technical field
The utility model relates to LED lamp box field, is specifically related to a kind of LED lamp box of automatic regulating lightness.
Background technology
Neon bulb or advertising lamp box are the common carrier of current many enterprises issuing advertisement information.Along with the progress of social development and science and technology, light emitting diode (Light Emitting Diode, LED) replaces fluorescent tube and is widely used in lamp box.Further, the area of LED lamp box is also increasing, and the LED lamp box need to work long hours and not only expend much electricity, has also shortened the life-span of LED lamp plate simultaneously.
In sum, how to provide a kind of and can save electric energy and improve the lamp box of new generation in LED lamp plate life-span, become those skilled in the art's problem demanding prompt solution.
The information that is disclosed in this background of invention technology part only is intended to deepen the understanding to general background technology of the present utility model, and should not be regarded as admitting or imply that in any form this information structure has been prior art known in those skilled in the art.
The utility model content
Thereby being to provide a kind of, the purpose of this utility model can regulate quickly and easily the LED lamp box that electric energy and raising LED lamp plate life-span are saved in the brightness of LED lamp box according to intensity of illumination.
In order to achieve the above object, the utility model provides a kind of LED lamp box of automatic regulating lightness, comprising: casing; The LED lamp plate, it is arranged in described casing, and has the array be comprised of a plurality of LED; Lamp house panel, its at least one surface that is arranged on described casing is upper, and the described LED lamp plate of shade; Illuminance transducer, it is arranged on described casing, and for the bright intensity around the sensing casing; Control module, itself and described illuminance transducer are electrically connected, and receive the signal of described illuminance transducer; At least one LED driver element, itself and described control module are electrically connected, and according to the luminous intensity of LED array in the described LED lamp plate of the signal controlling of control module.
Preferably, the quantity of described LED driver element is identical with the quantity of LED in described LED lamp plate, and each LED driver element is controlled and the luminous intensity of a LED of its electric connection.
Preferably, the array that the LED of described LED lamp plate forms comprises a plurality of subarrays, and the quantity of described LED driver element is identical with the quantity of this subarray, and the luminous intensity of the LED in a subarray of each LED driver element control and its electric connection.
Preferably, described LED driver element is multichannel LED driver element, and the total quantity of the passage of described LED driver element is identical with the quantity of LED in described LED lamp plate, the luminous intensity of a passage control of wherein said LED driver element and a LED of its electric connection.
Preferably, the array that the LED of described LED lamp plate forms comprises a plurality of subarrays, described LED driver element is multichannel LED driver element, and the total quantity of the passage of described LED driver element is identical with the quantity of described subarray in described LED lamp plate, a passage of wherein said LED driver element is controlled the luminous intensity of the LED in the subarray with its electric connection.
Preferably, described submatrix is classified n * m LED as and is formed, and the scope that wherein scope of n is 2 to 16, m is 2 to 16.
Preferably, when described control module receives the bright strength decreased that described illuminance transducer senses and is less than Second Threshold, described control module sends control signal so that described LED driver element is controlled the luminosity of LED is 40%; When described control module receives the bright strength decreased that described illuminance transducer senses and is less than the 4th threshold value, described control module sends control signal so that described LED driver element is controlled the luminosity of LED is 60%; When described control module receives the bright strength decreased that described illuminance transducer senses and is less than the 6th threshold value, described control module sends control signal so that described LED driver element is controlled the luminosity of LED is 100%; When described control module receives the bright strength decreased that described illuminance transducer senses and is less than the 8th threshold value, described control module sends control signal so that described LED driver element is controlled the luminosity of LED is 50%; When described control module receives the bright strength increase that described illuminance transducer senses and is greater than the 7th threshold value, described control module sends control signal so that described LED driver element is controlled the luminosity of LED is 100%; When described control module receives the bright strength increase that described illuminance transducer senses and is greater than the 5th threshold value, described control module sends control signal so that described LED driver element is controlled the luminosity of LED is 60%; When described control module receives the bright strength increase that described illuminance transducer senses and is greater than the 3rd threshold value, described control module sends control signal so that described LED driver element is controlled the luminosity of LED is 40%; When described control module receives the bright strength increase that described illuminance transducer senses and is greater than first threshold, described control module sends control signal so that described LED driver element is controlled LED stops luminous; Wherein, first threshold > Second Threshold > the 3rd threshold value > the 4th threshold value > the 5th threshold value > the 6th threshold value > the 7th threshold value > the 8th threshold value.
Preferably, 1.1% of the intensity of illumination that described first threshold is normal daytime, 1% of the intensity of illumination that described Second Threshold is normal daytime, 0.6% of the intensity of illumination that described the 3rd threshold value is normal daytime, 0.5% of the intensity of illumination that described the 4th threshold value is normal daytime, 0.15% of the intensity of illumination that described the 5th threshold value is normal daytime, 0.1% of the intensity of illumination that described the 6th threshold value is normal daytime, 0.08% of the intensity of illumination that described the 7th threshold value is normal daytime, 0.05% of the intensity of illumination that described the 8th threshold value is normal daytime.
Preferably, described control module is single channel or multichannel control module.
The beneficial effects of the utility model are: realized regulating quickly and easily the brightness of LED lamp plate according to the intensity of illumination of surrounding environment by adopting illuminance transducer, control module and LED driver element, thereby saved electric energy and can extend the LED lamp plate life-span.And, by testing environment brightness, the utility model has realized that lamp box is along with the dim light of night is gradually dimmed, lamp box brightens gradually; Then reach high-high brightness; Along with gradually entering the late into the night, environment can become, and darkness deepens, and lamp box reduces again brightness gradually, both guaranteed the contrast of lamp box to ambient brightness, saved again the energy.
The accompanying drawing explanation
Figure 1A and Figure 1B are the utility model one-piece construction schematic diagram.
Fig. 2 is the first embodiment electrical block diagram.
Fig. 3 is the second embodiment electrical block diagram.
Embodiment
A lot of details have been set forth in the following description so that fully understand the utility model.But the utility model can be implemented much to be different from alternate manner described here, those skilled in the art can be in the situation that do similar popularization without prejudice to the utility model intension, so the utility model is not subject to the restriction of following public specific embodiment.Below, by reference to the accompanying drawings specific embodiment of the utility model is described.
Refer to shown in Figure 1A to Fig. 3, the utility model provides a kind of LED lamp box of automatic regulating lightness, comprising: casing 1, LED lamp plate (not shown), lamp house panel 2, illuminance transducer S and control module A.Wherein:
Described LED lamp plate is arranged in casing 1, and has the array be comprised of a plurality of LED, and described LED lamp plate is positioned at the rear portion of lamp house panel 2, and provides bias light for lamp house panel 2; Each LED on the LED lamp plate can be arranged as required; Wherein each LED watt level and color can be identical can be also different.
This illuminance transducer S is arranged on the appropriate location of casing 1, and for the bright intensity around sensing casing 1, and send the luminance signal sensed to control module A.This illuminance transducer S is arranged on the position that can experience LED lamp box ambient lighting intensity, for example can be arranged on top or the casing surrounding of LED lamp box, also can be arranged on the box house edge.
Described control module A inside can arrange the threshold value of a plurality of intensities of illumination, and it is specifically determined as required; For example, can be from 2-10 different threshold values.Different threshold values, can be corresponding to different intensities of illumination.
This control module A and described illuminance transducer are electrically connected, and receive the signal of described illuminance transducer, according to the luminous intensity of the programmed control LED of original setting.That is: export and need to improve or reduce the conditioning signal of LED brightness to the LED driver element by the judgement to bright intensity around described casing.
The LED driver element is at least one, its respectively with control module A and LED lamp plate on LED array be electrically connected, and control the luminous intensity of LED array in described LED lamp plate according to the conditioning signal of control module A, thereby, when LED lamp box ambient lighting is weak, the brightness that reduces the LED lamp plate maintains the contrast (as shown in Figure 1A) in suitable scope of the brightness of LED lamp plate and ambient brightness; When LED lamp box ambient lighting is stronger, the brightness that improves the LED lamp plate maintains the contrast (as shown in Figure 1B) in suitable scope of the brightness of LED lamp plate and ambient brightness, thereby under different conditions, can make the consumer see the picture that luminance contrast is suitable.
Below, the accompanying drawings specific embodiment of the utility model.
Figure 2 shows that the utility model the first embodiment, in this embodiment, the LED lamp box comprises: casing 1, LED lamp plate, lamp house panel 2, illuminance transducer S and control module A.
In wherein said LED lamp plate, the quantity of LED is that n * m (is shown in reference number C 11, C12, C13 ... Cmn), and the quantity of the quantity of LED driver element and LED in described LED lamp plate is identical also (sees Reference numeral B11, B12, B13 for n * m ... Bmn), and each LED driver element control the luminous intensity with a LED of its electric connection.
In the present embodiment, eight threshold values of described control module A inner setting; Wherein, first threshold > Second Threshold > the 3rd threshold value > the 4th threshold value > the 5th threshold value > the 6th threshold value > the 7th threshold value > the 8th threshold value.
When described control module A receives the bright strength decreased that described illuminance transducer senses and is less than Second Threshold, described control module A sends control signal so that described LED driver element is controlled the luminosity of LED is 40%; When described control module receives the bright strength decreased that described illuminance transducer senses and is less than the 4th threshold value, described control module A sends control signal so that described LED driver element is controlled the luminosity of LED is 60%; When described control module A receives the bright strength decreased that described illuminance transducer senses and is less than the 6th threshold value, described control module A sends control signal so that described LED driver element is controlled the luminosity of LED is 100%; When described control module A receives the bright strength decreased that described illuminance transducer senses and is less than the 8th threshold value, described control module A sends control signal so that described LED driver element is controlled the luminosity of LED is 50%; When described control module A receives the bright strength increase that described illuminance transducer senses and is greater than the 7th threshold value, described control module A sends control signal so that described LED driver element is controlled the luminosity of LED is 100%; When described control module A receives the bright strength increase that described illuminance transducer senses and is greater than the 5th threshold value, described control module A sends control signal so that described LED driver element is controlled the luminosity of LED is 60%; When described control module A receives the bright strength increase that described illuminance transducer senses and is greater than the 3rd threshold value, described control module A sends control signal so that described LED driver element is controlled the luminosity of LED is 40%; When described control module receives the bright strength increase that described illuminance transducer senses and is greater than first threshold, described control module A sends control signal so that described LED driver element is controlled LED stops luminous.
When LED lamp box ambient lighting is weak, the brightness of LED lamp plate is lower as shown in Figure 1A, shown in Figure 1B when LED lamp box ambient lighting is stronger the brightness of LED lamp plate higher.And, in the present embodiment, when described control module A receives the bright strength decreased that illuminance transducer senses and is less than the 8th threshold value, described control module A sends control signal on the contrary so that the luminosity of described LED driver element control LED is 50%, here it should be noted that, when the brightness around the lamp box is very dark, lamp box can reduce brightness on the contrary, fully like this can meet the needs of visual aspects and can save electric energy.
Preferably, 1.1% of the intensity of illumination that described first threshold is normal daytime, 1% of the intensity of illumination that described Second Threshold is normal daytime, 0.6% of the intensity of illumination that described the 3rd threshold value is normal daytime, 0.5% of the intensity of illumination that described the 4th threshold value is normal daytime, 0.15% of the intensity of illumination that described the 5th threshold value is normal daytime, 0.1% of the intensity of illumination that described the 6th threshold value is normal daytime, 0.08% of the intensity of illumination that described the 7th threshold value is normal daytime, 0.05% of the intensity of illumination that described the 8th threshold value is normal daytime.As a rule, the intensity of illumination on daytime is for being greater than 5000Lx, and the intensity of illumination value on described normal daytime is 5000Lx in the present embodiment, and this value also can be chosen the value that is greater than 5000Lx, for example 10000Lx as required in other embodiments certainly.
Figure 3 shows that the second embodiment of the present utility model, the difference of it and the first embodiment is: the array that the LED of described LED lamp plate forms comprises n subarray, and described submatrix is classified the LED that a line m is listed as; The quantity of described LED driver element is identical with the quantity of this subarray, the quantity that is described LED driver element also (is shown in Reference numeral B1, B2 for n ... Bn), and each LED driver element control the luminous intensity of the LED in the subarray with its electric connection.That is, as shown in Figure 3, LED driver element B1 controls LEDC11, C21 ... the luminous intensity of Cm1; LED driver element B2 controls LEDC12, C22 ... the luminous intensity of Cm2; LED driver element Bn controls LEDC1n, C2n ... the luminous intensity of Cmn.
In addition, according to other embodiment of the present utility model, described LED driver element can be also multichannel LED driver element, and the total quantity of the passage of described LED driver element is identical with the quantity of LED in described LED lamp plate, like this, a passage of described LED driver element is controlled the luminous intensity with a LED of its electric connection.
Further, according to other embodiment of the present utility model, the array that the LED of described LED lamp plate forms comprises a plurality of subarrays, described LED driver element is multichannel LED driver element, and the total quantity of the passage of described LED driver element is identical with the quantity of described subarray in described LED lamp plate, like this, a passage of described LED driver element is controlled the luminous intensity of the LED in the subarray with its electric connection.
Preferably, the scope of above-mentioned n can be also 2 to 16 for 2 to 16, m scope.
The foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim scope change and modify, and all should belong to the covering scope of the utility model claim.
Claims (9)
1. the LED lamp box of an automatic regulating lightness, is characterized in that, comprising:
Casing;
The LED lamp plate, it is arranged in described casing, and has the array be comprised of a plurality of LED;
Lamp house panel, its at least one surface that is arranged on described casing is upper, and the described LED lamp plate of shade;
Illuminance transducer, it is arranged on described casing, and for the bright intensity of sensing casing surrounding environment;
Control module, itself and described illuminance transducer are electrically connected, and receive the signal of described illuminance transducer;
At least one LED driver element, itself and described control module are electrically connected, and according to the luminous intensity of LED array in the described LED lamp plate of the signal controlling of control module.
2. the LED lamp box of automatic regulating lightness according to claim 1, it is characterized in that: the quantity of described LED driver element is identical with the quantity of LED in described LED lamp plate, and each LED driver element is controlled and the luminous intensity of a LED of its electric connection.
3. the LED lamp box of automatic regulating lightness according to claim 1, it is characterized in that: the array that the LED of described LED lamp plate forms comprises a plurality of subarrays, the quantity of described LED driver element is identical with the quantity of this subarray, and the luminous intensity of the LED in a subarray of each LED driver element control and its electric connection.
4. the LED lamp box of automatic regulating lightness according to claim 1, it is characterized in that: described LED driver element is multichannel LED driver element, and the total quantity of the passage of described LED driver element is identical with the quantity of LED in described LED lamp plate, the luminous intensity of a passage control of wherein said LED driver element and a LED of its electric connection.
5. the LED lamp box of automatic regulating lightness according to claim 1, it is characterized in that: the array that the LED of described LED lamp plate forms comprises a plurality of subarrays, described LED driver element is multichannel LED driver element, and the total quantity of the passage of described LED driver element is identical with the quantity of described subarray in described LED lamp plate, a passage of wherein said LED driver element is controlled the luminous intensity of the LED in the subarray with its electric connection.
6. according to the LED lamp box of claim 3 or 5 described automatic regulating lightness, it is characterized in that: described submatrix is classified n * m LED as and is formed, and the scope that wherein scope of n is 2 to 16, m is 2 to 16.
7. according to the LED lamp box of the described automatic regulating lightness of claim 1 to 5 any one, it is characterized in that:
When described control module receives the bright strength decreased that described illuminance transducer senses and is less than Second Threshold, described control module sends control signal so that described LED driver element is controlled the luminosity of LED is 40%;
When described control module receives the bright strength decreased that described illuminance transducer senses and is less than the 4th threshold value, described control module sends control signal so that described LED driver element is controlled the luminosity of LED is 60%;
When described control module receives the bright strength decreased that described illuminance transducer senses and is less than the 6th threshold value, described control module sends control signal so that described LED driver element is controlled the luminosity of LED is 100%;
When described control module receives the bright strength decreased that described illuminance transducer senses and is less than the 8th threshold value, described control module sends control signal so that described LED driver element is controlled the luminosity of LED is 50%;
When described control module receives the bright strength increase that described illuminance transducer senses and is greater than the 7th threshold value, described control module sends control signal so that described LED driver element is controlled the luminosity of LED is 100%;
When described control module receives the bright strength increase that described illuminance transducer senses and is greater than the 5th threshold value, described control module sends control signal so that described LED driver element is controlled the luminosity of LED is 60%;
When described control module receives the bright strength increase that described illuminance transducer senses and is greater than the 3rd threshold value, described control module sends control signal so that described LED driver element is controlled the luminosity of LED is 40%;
When described control module receives the bright strength increase that described illuminance transducer senses and is greater than first threshold, described control module sends control signal so that described LED driver element is controlled LED stops luminous;
Wherein, first threshold > Second Threshold > the 3rd threshold value > the 4th threshold value > the 5th threshold value > the 6th threshold value > the 7th threshold value > the 8th threshold value.
8. the LED lamp box of automatic regulating lightness according to claim 7, it is characterized in that: 1.1% of the intensity of illumination that described first threshold is normal daytime, 1% of the intensity of illumination that described Second Threshold is normal daytime, 0.6% of the intensity of illumination that described the 3rd threshold value is normal daytime, 0.5% of the intensity of illumination that described the 4th threshold value is normal daytime, 0.15% of the intensity of illumination that described the 5th threshold value is normal daytime, 0.1% of the intensity of illumination that described the 6th threshold value is normal daytime, 0.08% of the intensity of illumination that described the 7th threshold value is normal daytime, 0.05% of the intensity of illumination that described the 8th threshold value is normal daytime.
9. the LED lamp box of automatic regulating lightness according to claim 8, it is characterized in that: described control module is single channel or multichannel control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320342261.2U CN203386442U (en) | 2013-06-14 | 2013-06-14 | Automatic brightness adjusting light-emitting diode (LED) lamp box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320342261.2U CN203386442U (en) | 2013-06-14 | 2013-06-14 | Automatic brightness adjusting light-emitting diode (LED) lamp box |
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| CN203386442U true CN203386442U (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320342261.2U Expired - Fee Related CN203386442U (en) | 2013-06-14 | 2013-06-14 | Automatic brightness adjusting light-emitting diode (LED) lamp box |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112102744A (en) * | 2020-09-17 | 2020-12-18 | 蒋东 | Lamp box brightness control method and device |
| CN114566128A (en) * | 2022-02-28 | 2022-05-31 | Tcl华星光电技术有限公司 | Backlight module and display panel |
| CN114783383A (en) * | 2022-02-28 | 2022-07-22 | Tcl华星光电技术有限公司 | Backlight module and display panel |
-
2013
- 2013-06-14 CN CN201320342261.2U patent/CN203386442U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112102744A (en) * | 2020-09-17 | 2020-12-18 | 蒋东 | Lamp box brightness control method and device |
| CN114566128A (en) * | 2022-02-28 | 2022-05-31 | Tcl华星光电技术有限公司 | Backlight module and display panel |
| CN114783383A (en) * | 2022-02-28 | 2022-07-22 | Tcl华星光电技术有限公司 | Backlight module and display panel |
| CN114783383B (en) * | 2022-02-28 | 2023-12-15 | Tcl华星光电技术有限公司 | Backlight module and display panel |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |