CN113677063A - Universal brilliant light strip system - Google Patents
Universal brilliant light strip system Download PDFInfo
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- CN113677063A CN113677063A CN202010415251.1A CN202010415251A CN113677063A CN 113677063 A CN113677063 A CN 113677063A CN 202010415251 A CN202010415251 A CN 202010415251A CN 113677063 A CN113677063 A CN 113677063A
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- 238000012545 processing Methods 0.000 claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 230000003139 buffering effect Effects 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims description 3
- 238000010606 normalization Methods 0.000 claims description 3
- 239000011049 pearl Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 230000000007 visual effect Effects 0.000 abstract description 8
- 230000008859 change Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 208000003464 asthenopia Diseases 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a general ambilight lamp belt system, which comprises an image sensor and an FIFO buffer, wherein the image sensor transmits image information to an image processing and color identification module through the FIFO buffer, and the image processing and color identification module transmits the processed information to an MCU (microprogrammed control Unit); the MCU respectively controls the LED lamp strip and the wireless transmission module; the power module provides power for the image sensor, the image processing and color recognition module, the MCU, the wireless transmission module and the LED lamp strip. The invention aims to provide a universal brilliant color lamp belt system which has a display effect matched with a display screen and can achieve a good visual ornamental effect.
Description
Technical Field
The invention relates to the technical field of LED lamp belts, in particular to a universal brilliant flash lamp belt system.
Background
Ambilight is a liquid crystal display technology. By monitoring subtle changes of pictures in real time, LED intelligent lights on two sides of the television are driven, gorgeous and various colors are changed according to screen contents and extend to the outside of a liquid crystal display (television) screen, and the flowing of the colors breaks through the limitation of the screen, so that a wider visual appreciation range is formed, and visual enjoyment like a cinema is created.
Moreover, the brightness of the LED light can be changed according to the change of the screen brightness, a comfortable watching state can be created for human eyes, and eye fatigue can not be caused even if people watch the LED light for a long time. If the television is turned off and is in a standby mode, the brilliant color can be independently turned on at the moment, and dynamic and static light sensation effects can be displayed to become ambient lighting.
The existing LED lamp belt technology is simple in control program. The method mainly adopts several fixed patterns to carry out circulating flicker operation, or carries out color switching and control operation through infrared remote control, the display effect cannot be well matched with a display screen, and the better visual ornamental effect cannot be achieved.
At present, there are two main ways to implement the technique of brilliant color display:
an integrated design scheme for an Ambilight Ambilight television of Philips company is that a back LED lamp driving circuit is integrated in a television.
The other scheme is an external drive box circuit, the drive circuit intercepts computer screen images by computer upper computer software, and the computer software analyzes the images and then sends the images to the external drive box circuit through a USB port. And the external driving box circuit is used for driving and displaying the color of the LED lamp strip.
At present, two brilliant flash lamp strip realization modes have advantages and disadvantages respectively, but a generalized realization mode is generally lacked at present. So-called "ambilight televisions" are customized systems that cannot be matched to other televisions. The external drive box circuit needs to be matched with a computer for use, and the circuit drive box cannot operate when the external drive box circuit leaves a computer processing platform.
The Chinese patent application numbers are: 201610228932.0, application date 2016, 13/04, publication date: 2016, month 08, day 17, with patent names: the invention discloses an LED lamp strip energy-saving control system with multiple circuit processing, which comprises a single chip microcomputer, a sound sensor, a buzzer, a transistor voltage-stabilizing filter circuit, a signal receiving processing circuit and a light-adjusting control circuit, wherein the sound sensor, the buzzer, the transistor voltage-stabilizing filter circuit, the signal receiving processing circuit and the light-adjusting control circuit are all connected with the single chip microcomputer; the signal receiving and processing circuit comprises a signal receiving circuit and a signal processing circuit. According to the invention, the sound sensor is used for contacting the sound wave signal of the indoor sound, the brightness sensor is used for collecting the brightness signal of the indoor environment, and meanwhile, the singlechip is used for analyzing and processing the sound wave signal and the brightness signal, so that the automatic regulation and automatic on-off of the brightness of the LED lamp strip are realized, and the power resource is effectively saved.
The patent literature discloses an energy-saving control system for an LED lamp strip processed by multiple circuits, but the invention has a single processing means, cannot process image and color information, and cannot meet the requirements of the current social development.
Disclosure of Invention
In view of this, the present invention provides a general ambilight lamp band system, which has a display effect capable of being matched with a display screen and can achieve a good visual viewing effect.
In order to achieve the first object of the present invention, the following technical solutions may be adopted:
a general ambilight lamp belt system comprises an image sensor, an FIFO buffer, an image processing and color recognition module, an MCU, a wireless transmission module, an LED lamp belt and a power supply module; the image sensor is used for collecting image information, the FIFO buffer is used for buffering data information, and the image processing and color identification module is used for analyzing and processing the image information and the image color; the MCU is used for identifying and processing images and color information; the wireless transmission module is used for wireless transmission of information;
the image sensor transmits image information to the image processing and color identification module through the FIFO buffer, and the image processing and color identification module transmits the processed information to the MCU; the MCU respectively controls the LED lamp strip and the wireless transmission module; the power module provides power for the image sensor, the image processing and color recognition module, the MCU, the wireless transmission module and the LED lamp strip.
The MCU is an ARM singlechip.
The image sensor comprises a CMOS or CCD camera.
The image sensor includes an image acquisition interface.
The image processing and color identification module extracts image statistical characteristics through a color (gray scale) formula; the color (gray scale) formula is:
wherein, let S (x)i) For a certain characteristic value of the image P as xiThe number of pixels of (c) is the total number of pixels in the image P, and is S (x)i) And carrying out normalization processing, wherein n is the number of a certain characteristic value.
The lamp area includes that two at least RGB lamp pearls are established ties and are constituteed, and this LED lamp area still includes drive module.
The wireless transmission module comprises a WIFI Bluetooth integrated module.
The MCU also comprises a sound sensor, and the MCU controls the sound sensor.
The sound sensor comprises a volume control module, and the MCU controls the sound sensor through the volume control module.
The technical scheme provided by the invention has the beneficial effects that 1) the image and color information collected by the image sensor are identified and controlled by the MCU, the image processing and color identification module, gorgeous and various colors are developed according to the screen content, the image color information is extended out of the screen of the liquid crystal display (television), and the light color flow breaks through the screen limitation, so that a wider visual appreciation range is formed, and the visual enjoyment as a cinema is created; 2) the brightness of the LED lamp can be changed according to the change of the brightness of the screen, a comfortable watching state can be created for human eyes, and eye fatigue can not be caused even if people watch the LED lamp for a long time; 3) if the television is turned off and is in a standby mode, the brilliant color can be independently turned on, and dynamic and static light sensation effects can be displayed to become ambient lighting; 4) the invention can be matched with a television, so that the experience of watching the television is stronger.
Drawings
Fig. 1 is a block diagram of a general ambilight lamp strip system according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and embodiments thereof.
Example 1
Referring to fig. 1, a general ambilight lamp strip system includes an image sensor 1, an FIFO buffer 2, an image processing and color recognition module 3, an MCU4, a wireless transmission module 51, an LED lamp strip 6, and a power module 7; the image sensor 1 is used for collecting image information, the FIFO buffer is used for buffering data information, and the image processing and color identification module is used for analyzing and processing the image information and the image color; the MCU is used for identifying and processing images and color information; the wireless transmission module is used for wireless transmission of information;
the image sensor 1 transmits image information to the image processing and color recognition module 3 through the FIFO buffer 2, and the image processing and color recognition module 3 transmits the processed information to the MCU 4; the MCU4 respectively controls the LED lamp strip 6 and the wireless transmission module 5; the power module 7 supplies power to the image sensor 1, the image processing and color recognition module 3, the MCU4, the wireless transmission module 5 and the LED lamp strip 6.
In this embodiment, the power module 7 includes a power adapter, and converts the 220V commercial power into a dc voltage to provide power.
In this embodiment, preferably, the MCU4 is an ARM single chip microcomputer.
In this embodiment, preferably, the image sensor 1 includes a CMOS or CCD camera.
In this embodiment, it is further preferable that the image sensor 1 includes an image acquisition interface 12.
In this embodiment, an image sensor 1 is placed in front of a display screen 12, and the angle of the image sensor 1 can be adjusted freely through a gimbal. The image sensor 1 can collect display pictures in real time and transmit data to the MCU4 for processing.
The MCU can include image sensor acquisition interface 11 and FIFO buffer 2, and through image processing and color recognition module 3, this MCU4 can discern the main part colour of display picture and drive LED lamp area 6 all around and carry out the colour synchronization and show to reach the brilliant color realization effect.
In this embodiment, the invention mainly includes the MCU4, the image sensor 1, the wireless transmission module 51 and the LED strip 6, and the invention acquires image information of the display 12 through the image sensor 1, and transmits the image information to the MCU4 for image processing and color recognition, and drives the LED strip 6 in real time to achieve the effect of synchronizing with the subject color of the display screen 12.
The wireless transmission module 51 can be externally connected with control terminals such as a mobile phone, and a user controls the terminals to communicate through the wireless transmission module 51 through the mobile phone and the like, so that the purpose of controlling the LED lamp strip 6 through the control terminals such as the mobile phone is achieved.
In this embodiment, the image sensor module 1 includes a CMOS/CCD camera, for example: an OV5640 image sensor of 500W pixels. The image sensor 1 generates an optical image through a lens, projects the optical image on the sensor surface, converts the optical image into an electric signal, converts the electric signal into a digital image signal through analog-to-digital (a/D) conversion, and outputs the digital image signal to the MCU4 for processing.
In this embodiment, the MCU4 includes an ARM single chip microcomputer, for example: STM32 series single-chip microcomputer. The image sensor 1 comprises an image acquisition interface 12, wherein the image acquisition interface 12 can preprocess the digital image signal transmitted by the image sensor module 1, and the preprocessing result is sent to the FIFO buffer 2 for buffering.
In this embodiment, the MCU4 processes the image data in the FIFO buffer 2 by controlling the image processing and color recognition module 3 program, and can efficiently recognize the picture color of the display 12 in real time and drive the LED strip 6 to perform synchronous display.
Example 2
Referring to fig. 1, the difference from the above embodiment is that the image processing and color identifying module 3 of the present invention extracts image statistical characteristics by a color (gray scale) formula; the color (gray scale) formula is:
wherein, let S (x)i) For a certain characteristic value of the image P as xiThe number of pixels of (c) is the total number of pixels in the image P, and is S (x)i) And carrying out normalization processing, wherein n is the number of a certain characteristic value.
In this embodiment, the feature histogram of the image P is, where n is the number of a feature value, and in fact, the histogram is the probability distribution of a certain feature of the image P, and P (x) can be regarded as the probability density function of x, so that the k-order moment of x is defined as: mk ═ x-kP (x) dx (k ═ 0,1, … …), the k-th order central matrix being defined as:
uk＝∫(x-m1)P(x)dx(k＝0,1,……)。
according to the theoretical image processing and color identification, a wavelet transformation theory is adopted. Because the wavelet transform has time-frequency localized characteristics, the wavelet transform can describe not only the global characteristics of the image, but also the local characteristics of the image, and is not easily interfered by noise, so that the wavelet transform has higher recognition rate when the color of the object image is recognized.
In this embodiment, preferably, the wireless transmission module 5 includes a WIFI and bluetooth integrated module 51.
The WIFI and bluetooth integrated module 51 includes a WIFI and bluetooth transmission protocol stack, and the user mobile phone can control information such as a working module and color change of the LED strip 6 on line through the module.
In this embodiment, preferably, the light strip 6 includes at least two RGB beads connected in series, and the LED light strip 6 further includes a driving module 61.
The LED strip 6 may actually be formed by a plurality of RGB beads connected in series, and this LED strip 6 is provided with a driving pin for the MCU4 to perform color control.
Example 3
The difference from the above embodiment is that the MCU4 also includes a sound sensor 42, which the MCU4 controls.
Preferably, the sound sensor 42 includes a volume control module 41, and the MCU4 controls the sound sensor 42 through the volume control module 41.
The sound sensor 42 can sense the external volume change, and the MCU4 can synchronously control the brightness change of the LED lamp strip 6 in real time through volume identification and control programs.
The sound sensor 42 can convert the external volume into a corresponding digital signal, and transmit the digital signal to the MCU4 for signal processing.
The MCU4 correspondingly drives the brightness of the LED lamp strip 6 according to the volume signal transmitted by the sound sensor 42, so as to achieve better visual ornamental effect.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (9)
1. A general brilliant color lamp area system which characterized in that: the system comprises an image sensor, an FIFO buffer, an image processing and color recognition module, an MCU, a wireless transmission module, an LED lamp belt and a power supply module; the image sensor is used for collecting image information, the FIFO buffer is used for buffering data information, and the image processing and color identification module is used for analyzing and processing the image information and the image color; the MCU is used for identifying and processing images and color information; the wireless transmission module is used for wireless transmission of information;
the image sensor transmits image information to the image processing and color identification module through the FIFO buffer, and the image processing and color identification module transmits the processed information to the MCU; the MCU respectively controls the LED lamp strip and the wireless transmission module; the power module provides power for the image sensor, the image processing and color recognition module, the MCU, the wireless transmission module and the LED lamp strip.
2. A universal ambilight strip system according to claim 1, characterized in that: the MCU is an ARM singlechip.
3. A universal ambilight strip system according to claim 1, characterized in that: the image sensor comprises a CMOS or CCD camera.
4. A universal ambilight strip system according to claim 1, characterized in that: the image sensor includes an image acquisition interface.
5. A universal ambilight strip system according to claim 1, characterized in that: the image processing and color identification module extracts image statistical characteristics through a color (gray scale) formula; the color (gray scale) formula is:
wherein, let S (x)i) For a certain characteristic value of the image P as xiThe number of pixels of (c) is the total number of pixels in the image P, and is S (x)i) And carrying out normalization processing, wherein n is the number of a certain characteristic value.
6. A universal ambilight strip system according to claim 1, characterized in that: the lamp area includes that two at least RGB lamp pearls are established ties and are constituteed, and this LED lamp area still includes drive module.
7. A universal ambilight strip system according to claim 1, characterized in that: the wireless transmission module comprises a WIFI Bluetooth integrated module.
8. A universal ambilight strip system according to claim 1, characterized in that: the MCU also comprises a sound sensor, and the MCU controls the sound sensor.
9. A universal ambilight strip system according to claim 8, characterized in that: the sound sensor comprises a volume control module, and the MCU controls the sound sensor through the volume control module.
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| CN202010415251.1A CN113677063A (en) | 2020-05-15 | 2020-05-15 | Universal brilliant light strip system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115132119A (en) * | 2022-08-30 | 2022-09-30 | 常州集励微电子科技有限公司 | Control method and device for displaying image |
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2020
- 2020-05-15 CN CN202010415251.1A patent/CN113677063A/en active Pending
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|---|---|---|---|---|
| JP2000173783A (en) * | 1998-04-13 | 2000-06-23 | Matsushita Electric Ind Co Ltd | Illumination control method and lighting system |
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