CN209822184U - LED flexible display screen control system - Google Patents
LED flexible display screen control system Download PDFInfo
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- CN209822184U CN209822184U CN201920138317.XU CN201920138317U CN209822184U CN 209822184 U CN209822184 U CN 209822184U CN 201920138317 U CN201920138317 U CN 201920138317U CN 209822184 U CN209822184 U CN 209822184U
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Abstract
The utility model discloses a LED flexible display screen control system, which comprises a lamp screen and a control device for controlling the lamp screen to emit light, wherein the lamp screen is formed by connecting a plurality of LED lamps, and a drive circuit for controlling the LED lamps to emit light is arranged in the LED lamps; the control device comprises an image reader, an image decoder and a plurality of driving channels, wherein the image reader is used for reading picture or video information to obtain image data and sending the image data to the image decoder; the image decoder decodes the received image data to obtain color data of pixels in each frame of the picture or video, and sends the corresponding color data to different driving channels respectively; and the driving channel performs recoding modulation on the received color information according to pixel point information corresponding to each LED lamp in the lamp string to obtain a modulation signal, and sends the modulation signal to the lamp string. The utility model discloses can read outside image data and show at flexible lamp screen, can be suitable for the demonstration demand of multiple occasion.
Description
Technical Field
The utility model relates to a flexible lamp screen technical field specifically is a LED flexible display screen control system.
Background
The LED display screen is often used in occasions or occasions such as billboards, markets or wedding celebrations, the existing LED display screen mainly comprises an LED dot matrix and an LED PC panel, but the LED display screen is heavy in weight and large in size, and in the actual use process, 1 large amount of time resources and manpower resources are required to be consumed for installing and debugging the LED display screen. When the LED display screen is fixedly arranged at one position, the problem of difficult maintenance is caused due to the characteristics of the LED display screen. Moreover, after the installation position of the LED display screen is fixed, the position of the display screen is difficult to change.
In order to overcome the above problems, chinese utility model patent CN207455452U announced in 2018, 6/month and 5/day discloses an RGB-LED intelligent net lamp, which comprises an intelligent power supply and a plurality of net lamp strings, wherein the intelligent power supply is electrically connected in sequence by a plug, a transformer, a control box and a power line female terminal, each net lamp string is formed by connecting a plurality of RGB-LED diodes in series in sequence, the plurality of net lamp strings are all connected in parallel to a main line of the RGB-LED intelligent net lamp, the main line is provided with a male connector and a female connector at two ends, the male connector is connected with the power line female terminal, a chip is arranged in the RGB-LED diode, the chip contains address information, the effects of single line LED control and multiple line control can be achieved by intelligent power supply control, the LED bulb and the PC shell of the RGB-LED diode are packaged together by epoxy resin, the intelligent net lamp string is, the production operation is simple and convenient, the injection molding is convenient and simple, the service life of the LED is fully protected, and the bad proportion is greatly reduced.
Although above-mentioned patent has solved the heavy and difficult scheduling problem of maintenance of traditional LED display screen, still exist not enoughly, above-mentioned utility model provides a net lamp display effect is simple, can only show the predetermined display effect in the control box, can't show other effects or more complicated picture, can't satisfy the use of complicated scene.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flexible display screen control system of LED can read outside image data and show at the lamp screen, can be suitable for the demonstration demand of multiple occasions such as festival lamp, brightening engineering, bill-board, market.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: a control system of an LED flexible display screen comprises a lamp screen and a control device for controlling the lamp screen to emit light, wherein the lamp screen comprises a plurality of lamp strings, each lamp string is formed by connecting a plurality of LED lamps, and a driving circuit for controlling the LED lamps to emit light is arranged in each LED lamp; the control device comprises an image reader, an image decoder and a plurality of driving channels,
the image reader is connected with an image decoder and used for reading pictures or video information to obtain image data and sending the image data to the image decoder;
the image decoder is respectively connected with the plurality of driving channels, decodes the received image data to obtain color data of pixels in each frame of the picture or video, and respectively sends the corresponding color data to different driving channels;
the driving channels are respectively connected with the corresponding lamp strings, the driving channels carry out re-coding modulation on the received color information according to the pixel point information corresponding to each LED lamp in the lamp strings to obtain modulation signals, the modulation signals are sent to the lamp strings, and the driving circuits of different LED lamps in the lamp strings control the LED lamps to emit light according to the information sent by the driving channels.
Preferably, each LED lamp in the lamp screen has a uniquely determined ID, and the modulated signal contains LED lamp ID information and color information corresponding to the LED lamp; and after receiving the modulation signal, the driving circuit decodes according to the ID information of the LED lamp to obtain the corresponding color and brightness information of the LED lamp and controls the LED lamp to emit light with the corresponding color and brightness.
Preferably, the lamp string includes a plurality of banks, the bank is parallelly connected by two or more LED lamps and forms, the lamp string form by a plurality of banks series connection, the lamp string has a plurality of banks series connection to form, the bank is parallelly connected by a plurality of LED lamps and forms, can control total LED quantity in the lamp string and the voltage of a lamp string according to actual need, can guarantee the service condition of different demands.
Preferably, the lamp further comprises a power conversion device, the power conversion device is connected with the control device and the lamp screen, and the power conversion device is connected with the mains supply to convert the mains supply voltage into the working voltage of the control device and the lamp screen.
Preferably, the control device further comprises a synchronous controller, the synchronous controller is connected with the image decoder, different lamp screens and the control device are connected with each other through the synchronous controller, the synchronous controller is used for controlling synchronous display or split-screen display of the plurality of lamp screens, the plurality of lamp screens can be communicated with each other for split-screen display or synchronous display, and the display area and the application occasions of the lamp screens are enlarged.
Preferably, the lamp screen is a net structure formed by connecting a plurality of lamp strings.
Preferably, the lamp screen is formed by mutually and uniformly arranging a plurality of lamp strings.
Preferably, the LED lamp adopts an RGB-LED lamp or an RGBW-LED lamp, so that the emitted colors are more various, and the display effect of the image is enriched.
Compared with the prior art, the LED flexible display screen control system adopting the technical scheme has the following beneficial effects:
one, adopt the utility model discloses a flexible display screen control system of LED, accomodating that can relax does not receive the restriction of place and screen installation shape, can install in the less place in space, and can install into the curved surface of plane or other shapes.
Two, the utility model discloses a flexible display screen control system of LED does not confine to several kinds of bright screen functions of setting for, can read the colour information of different images and show through netted display screen through the image reader, and the broadcast effect is better, can show abundanter image information according to user's needs.
And the driving circuit of the LED lamp is arranged in the corresponding LED lamp, no additional LED driving circuit is needed, the lamp screen is directly controlled and displayed through the control device, the installation volume of the whole lamp screen is saved, and the production cost of the whole reticular display screen is saved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a control system of an LED flexible display screen according to the present invention;
FIG. 2 is a block diagram schematically illustrating the structure of the control system of the LED flexible display screen in the present embodiment;
FIG. 3 is a schematic diagram of the circuit connections of the LED lamps in the lamp string according to the present embodiment;
FIGS. 4(a) - (b) are schematic structural views of the interior of a single LED lamp in this embodiment;
FIGS. 5(a) - (b) are schematic diagrams illustrating different arrangements of light strings in this embodiment;
fig. 6 is a schematic circuit diagram of a single driving channel in this embodiment.
Reference numerals: 1. a lamp screen; 11. a string of lights; 12. a lamp group; 2. a control device; 21. an image reader; 22. an image decoder; 23. a drive channel; 3. a power supply changing device; 4. an LED lamp.
Detailed Description
Embodiments of the present invention are described in more detail below with reference to the accompanying drawings.
As shown in fig. 1, the LED flexible display screen control system includes a mesh-shaped flexible lamp screen 1, a control device 2 for controlling the lamp screen 1 to emit light, and a power conversion device for providing electric energy, wherein the control device 2 is connected to the lamp screen 1, the power conversion device is connected to the control device 2 and the lamp screen 1, and the power conversion device is connected to the commercial power to convert the commercial power voltage into the working voltage of the control device 2 and the lamp screen 1. The lamp screen 1 comprises a plurality of lamp strings 11, and the lamp strings 11 are formed by connecting a plurality of LED lamps 4. Fig. 3 is a schematic diagram illustrating the connection between a plurality of LED lamps 4 in a string of lights 11. Wherein, a lamp string 11 includes a plurality of lamp groups 12, the lamp group 12 is formed by connecting more than two LED lamps 4 in parallel, and the lamp string 11 is formed by connecting a plurality of lamp groups 12 in series. The number of lamp sets 12 connected in series in the string of lamps 11 and the number of LED lamps 4 connected in parallel in the lamp sets 12 can be determined according to the actual voltage and power required.
As shown in fig. 2, which is a schematic block diagram of the structure of each part in the LED flexible display screen control system, the control device 2 includes an image reader 21, an image decoder 22 and a plurality of driving channels 23, the image reader 21 is connected to the image decoder 22, and the image reader 21 is configured to read pictures or video information to obtain image data and send the image data to the image decoder 22; the image decoder 22 is respectively connected with the plurality of driving channels 23, the image decoder 22 decodes the received image data to obtain color data of pixels in each frame of the picture or video, and sends the corresponding color data to different driving channels 23; the driving channels 23 are respectively connected with the corresponding lamp strings 11, the driving channels 23 re-encode and modulate the received color information according to the pixel point information corresponding to each LED lamp 4 in the lamp strings 11 to obtain modulation signals, and send the modulation signals to the corresponding lamp strings 11, and the driving circuits of different LED lamps 4 in the lamp strings 11 control the LED lamps 4 to emit light according to the information sent by the driving channels 23. The image reader 21 may be connected to the image storage device by USB or directly connected to the SD memory card.
As shown in fig. 4(a), which is a schematic structural diagram of the inside of a single LED lamp 4, in order that one LED lamp 4 can better display a picture or a video through a mesh display screen, the LED lamp 4 in this embodiment is an RGB-LED lamp. As shown in fig. 4(a), one RGB-LED lamp 4 is provided with a driving chip and three light emitting diodes, the three light emitting diodes can respectively emit three primary colors of 255-order brightness, i.e., red (R), green (G) and blue (B), as shown in fig. 4(B), one RGBW-LED lamp 4 is provided with a driving chip and four light emitting diodes, the four light emitting diodes can respectively emit white (W) and three primary colors of 255-order brightness, i.e., red (R), green (G) and blue (B), so that any one LED lamp 4 in the lamp panel 1 can emit the color and brightness of a corresponding pixel point in an image.
In order to enable the entire lamp screen 1 to display a complete picture or video image, each LED lamp 4 in the lamp screen 1 has a unique ID. After the image decoder 22 decodes the pixels of the image, the driving channel 23 combines the light string 11 information and the image color information with each other according to the number of the LED lamps 4 in the connected light string 11, the ID of each LED lamp 4, and the color and brightness of the image pixel corresponding to each LED lamp 4, re-encodes and modulates to obtain a modulation signal, and sends the modulation signal to the light string 11. Therefore, the modulated signal contains the LED lamp 4ID information and the color information corresponding to the LED lamp 4. After receiving the modulation signal, the driving circuit of each LED lamp 4 in the string light 11 decodes according to the ID information of the LED lamp 4 to obtain the corresponding color and brightness information of the LED lamp 4, and controls three light emitting diodes in the LED lamp 4 to emit corresponding red light, green light and blue light, and the three primary colors of different brightness are illuminated together to show the color of the pixel point corresponding to the corresponding LED lamp 4.
In addition, the control device 2 further comprises a synchronous controller, the synchronous controller is connected with the image decoder 22, different lamp panels 1 and the control device 2 are connected with each other through the synchronous controller, the synchronous controller is used for controlling synchronous display or split-screen display of the plurality of lamp panels 1, the plurality of lamp panels 1 and the lamp panels 1 can be communicated with each other to carry out split-screen display or synchronous display, and the display area and the application occasions of the lamp panels 1 are enlarged.
Fig. 5(a) and (b) show different connection modes of different light strings in the light screen, and the light screen may be a net structure formed by connecting a plurality of light strings with each other, or may be formed by arranging a plurality of light strings independently and uniformly.
In fig. 5(a), the LED lamps in the same lamp string are connected to each other to form a net-shaped LED lamp screen, and the LEDs in different lamp strings are also connected to each other, and a plurality of lamp strings form a complete net-shaped structure; in fig. 5 (b), the light strings are independently connected to form a single light bar, and the light bars are arranged in parallel to form a light screen for displaying. In addition, in order to ensure the water resistance of the lamp screen, a waterproof layer is arranged on the outer side of the lamp string, so that the water resistance of the lamp string and the lamp screen can be increased.
As shown in fig. 6, a driving channel circuit of a single driving channel 23 in this embodiment is connected, where the driving channel circuit includes a first MOS transistor Q01, a second MOS transistor Q11, an inductor L1, a diode TVS1 and a capacitor C2, a source S and a gate G of the first MOS transistor Q01 are connected through a first resistor R1, the gate G is connected with a drain D of the second MOS transistor Q11 through a second resistor R2, the source S of the second MOS transistor Q11 is grounded, and the gate G of the second MOS transistor Q11 is connected with the image decoder 22 through a third resistor R3 to receive color information. The drain D of the first MOS tube Q01 is connected with the cathode of the diode TVS1 through the inductor L1, the anode of the diode TVS1 is grounded, the capacitor C2 is connected with the diode TVS1 in parallel, the cathode of the diode is connected with the anode of the lamp string 11, the modulated modulation signal is sent to the lamp string 11, the driving circuit in each LED lamp 4 in the lamp string 11 extracts the color and brightness signals related to the LED lamp 4 per se and performs luminous display, and the LEDs on the plurality of lamp strings 11 emit light simultaneously to form a complete mesh-shaped display screen for displaying specific images.
The above is the preferred embodiment of the present invention, and a person skilled in the art can make several modifications and improvements without departing from the principle of the present invention, and these should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a flexible display screen control system of LED which characterized in that: the LED lamp comprises a flexible lamp screen (1) and a control device (2) for controlling the lamp screen (1) to emit light, wherein the lamp screen (1) comprises a plurality of lamp strings (11), each lamp string (11) is formed by connecting a plurality of LED lamps (4), and a driving circuit for controlling the LED lamps (4) to emit light is arranged in each LED lamp (4); the control device (2) comprises an image reader (21), an image decoder (22) and a plurality of drive channels (23),
the image reader (21) is connected with the image decoder (22), and the image reader (21) is used for reading pictures or video information to obtain image data and sending the image data to the image decoder (22);
the image decoder (22) is respectively connected with the plurality of driving channels (23), the image decoder (22) decodes the received image data to obtain color data of pixels in each frame of the picture or video, and the corresponding color data is respectively sent to different driving channels (23);
the driving channels (23) are connected with the lamp strings (11) in a one-to-one correspondence mode, the driving channels (23) conduct recoding modulation on the received color information according to pixel point information corresponding to each LED lamp (4) in the lamp strings (11) to obtain modulation signals, the modulation signals are sent to the lamp strings (11), and driving circuits of different LED lamps (4) in the lamp strings (11) control the LED lamps (4) to emit light according to the information sent by the driving channels (23).
2. The LED flexible display screen control system of claim 1, wherein: each LED lamp (4) in the lamp screen (1) has a unique determined ID, and the modulation signal contains ID information of the LED lamp (4) and color information corresponding to the LED lamp (4); and after receiving the modulation signal, the driving circuit decodes according to the ID information of the LED lamp (4) to obtain the corresponding color and brightness information of the LED lamp (4), and controls the LED lamp (4) to emit light with corresponding color and brightness.
3. The LED flexible display screen control system of claim 2, wherein: the LED lamp string is characterized in that the lamp string (11) comprises a plurality of lamp groups (12), the lamp groups (12) are formed by connecting more than two LED lamps (4) in parallel, and the lamp string (11) is formed by connecting the lamp groups (12) in series.
4. The LED flexible display screen control system of claim 3, wherein: the power supply conversion device is connected with the control device (2) and the lamp screen (1), and the power supply conversion device is connected with a mains supply to convert the mains supply voltage into the working voltage of the control device (2) and the lamp screen (1).
5. The LED flexible display screen control system of claim 4, wherein: the control device (2) further comprises a synchronous controller, the synchronous controller is connected with the image decoder (22), different lamp screens (1) and the control device (2) are connected with each other through the synchronous controller, and the synchronous controller is used for controlling synchronous display or split-screen display of the plurality of lamp screens (1).
6. The LED flexible display screen control system of claim 5, wherein: the lamp screen is a net structure formed by mutually connecting a plurality of lamp strings.
7. The LED flexible display screen control system of claim 5, wherein: the lamp screen is formed by mutually independently and uniformly arranging a plurality of lamp strings.
8. The LED flexible display screen control system of claim 6, wherein: the LED lamp (4) adopts an RGB-LED lamp or an RGBW-LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920138317.XU CN209822184U (en) | 2019-01-25 | 2019-01-25 | LED flexible display screen control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920138317.XU CN209822184U (en) | 2019-01-25 | 2019-01-25 | LED flexible display screen control system |
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| CN209822184U true CN209822184U (en) | 2019-12-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111583806A (en) * | 2020-06-10 | 2020-08-25 | 深圳市美亚迪光电有限公司 | LED flexible display screen |
| RU212090U1 (en) * | 2022-03-15 | 2022-07-06 | Публичное акционерное общество "Татнефть" имени В.Д. Шашина | Reflective screen |
| CN117440574A (en) * | 2023-12-18 | 2024-01-23 | 深圳市千岩科技有限公司 | Lamp screen equipment, lamp effect generation method, corresponding device and medium |
-
2019
- 2019-01-25 CN CN201920138317.XU patent/CN209822184U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111583806A (en) * | 2020-06-10 | 2020-08-25 | 深圳市美亚迪光电有限公司 | LED flexible display screen |
| RU212090U1 (en) * | 2022-03-15 | 2022-07-06 | Публичное акционерное общество "Татнефть" имени В.Д. Шашина | Reflective screen |
| CN117440574A (en) * | 2023-12-18 | 2024-01-23 | 深圳市千岩科技有限公司 | Lamp screen equipment, lamp effect generation method, corresponding device and medium |
| CN117440574B (en) * | 2023-12-18 | 2024-04-02 | 深圳市千岩科技有限公司 | Lamp screen equipment, lamp effect generation method, corresponding device and medium |
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Denomination of utility model: A Control System of LED Flexible Display Effective date of registration: 20221130 Granted publication date: 20191220 Pledgee: Dongcheng sub branch of Zhejiang Linhai Rural Commercial Bank Co.,Ltd. Pledgor: Linhai Dongli photoelectric Co.,Ltd. Registration number: Y2022330003283 |