CN117079581A - Power supply device of LED control panel and LED control panel - Google Patents

Power supply device of LED control panel and LED control panel Download PDF

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Publication number
CN117079581A
CN117079581A CN202210500891.1A CN202210500891A CN117079581A CN 117079581 A CN117079581 A CN 117079581A CN 202210500891 A CN202210500891 A CN 202210500891A CN 117079581 A CN117079581 A CN 117079581A
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CN
China
Prior art keywords
power
module
power supply
output
supply device
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210500891.1A
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Chinese (zh)
Inventor
黎阳
刘新彬
施喜悦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Zhongkechuang Laser Technology Co ltd
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Shenzhen Zhongkechuang Laser Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Shenzhen Zhongkechuang Laser Technology Co ltd filed Critical Shenzhen Zhongkechuang Laser Technology Co ltd
Priority to CN202210500891.1A priority Critical patent/CN117079581A/en
Publication of CN117079581A publication Critical patent/CN117079581A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

The application is applicable to the field of LED display, and provides a power supply device of an LED control board, which is used for controlling the display of an LED lamp, and comprises a power input module, wherein the power input module is used for introducing an external power supply; the power supply device also comprises a control management module, wherein the control management module is used for controlling the output current and signals; the power supply device further comprises an output management module, and the output management module is electrically connected with an output interface through a power bus; the output interface is electrically connected with the power buses with different working voltages through the power branch lines, and the power supply device of the LED control panel can be electrically connected with the power buses with different working voltages, so that the diversified use requirements of the output interface are met, the integration level is higher, and the practicability is higher.

Description

Power supply device of LED control panel and LED control panel
Technical Field
The application belongs to the technical field of LED display, and particularly relates to a power supply device of an LED control board and the control board.
Background
The light emitting diode, abbreviated as LED, is a common light emitting device that emits light by energy released by recombination of electrons and holes, and has a wide range of applications in the fields of lighting, flat panel display, medical devices, and the like. The LED display screen consists of individual LED module panels and is used for displaying various information such as characters, images, videos and the like.
The LED display technology integrates microelectronics, computer technology and information processing, and has the advantages of bright color, wide dynamic range, high brightness, long service life, stable and reliable operation and the like. The LED display screen generally includes two parts, a display device and a control device, and the display screen is controlled by a control board. In the existing LED display device, when a plurality of interface modules are set, because the power types required by the interface modules are different, when power is supplied to the plurality of interface modules, the LED control board needs to separately supply power to each interface module, so that the wiring of the LED control board is more, meanwhile, the operation amount of the LED control board is increased and the processing efficiency is reduced by separately controlling each interface module.
Disclosure of Invention
The application aims to provide an LED control board and an LED lamp, and aims to solve the technical problems that in the prior art, the LED control board needs to independently supply power to each interface module, so that the wiring of the LED control board is more, and meanwhile, the operation amount of the LED control board is increased and the processing efficiency is reduced due to the fact that each interface module is controlled respectively.
The first aspect of the present application provides a power supply device for an LED control board, for controlling the display of an LED lamp,
the power supply device comprises a power input module, wherein the power input module is used for introducing an external power supply;
the power supply device also comprises a control management module, wherein the control management module is used for controlling the output current and signals;
the power supply device further comprises an output management module, and the output management module is electrically connected with an output interface through a power bus;
the output interface is electrically connected with the power buses with different working voltages through power branch lines.
Further, a conversion module is arranged between the output interface and the power bus, and the conversion module is used for converting the voltage provided by the power input module into the working voltage required by the output interface.
Further, the power buses comprise a first power bus, a second power bus and a third power bus, and working voltages of the first power bus, the second power bus and the third power bus are respectively 12V, 5V and 3.3V.
Further, a switch module is arranged between the output interface and the power bus, and the switch module is used for controlling the number of the output interfaces connected to the output management module.
Further, the output interface is one or more of a USB module, a VGA module, an HDMI interface module and a wireless communication module.
Further, the output interface is a Type-C interface module and/or a PCIE interface module.
Further, the control management module includes:
the analog output unit is used for converting alternating current into analog signals and outputting the analog signals;
a digital output unit for outputting a digital signal;
and the direct current output unit is used for converting alternating current into direct current and outputting the direct current.
Further, a filtering module is arranged between the control management module and the output management module, and the filtering module is used for filtering noise and can maintain stable output of signals.
Further, the power input module comprises one or more input interfaces for accessing 220V or 110V power.
The second aspect of the application provides an LED control board, which comprises a server, a control module, an image segmentation module, a sending module and the power supply device.
The power supply device of the LED control panel comprises a power input module, wherein the power input module is used for introducing an external power supply; the power supply device also comprises a control management module, wherein the control management module is used for controlling the output current and signals; the power supply device further comprises an output management module, and the output management module is electrically connected with an output interface through a power bus; the output interface is electrically connected with the power bus with different working voltages through the power branch line, and can be electrically connected with the power bus with different working voltages, so that diversified use requirements of the output interface are met, the integration level is higher, and the practicability is higher.
Drawings
Fig. 1 is a schematic structural diagram of a power supply device of an LED control board according to an embodiment of the present application;
fig. 2 is another schematic structural diagram of a power supply device of an LED control board according to an embodiment of the present application;
fig. 3 is another schematic structural diagram of a power supply device of an LED control board according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a switch module of an LED control board according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a control management module of an LED control board according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of an LED control board according to an embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
The power supply device of the LED control board is used for controlling the display of the LED lamp and simultaneously providing power for the output interface. The LED lamp comprises a display device and a control device, and the display device is controlled by the control device.
Fig. 1 and fig. 2 are schematic structural diagrams of a power supply device of an LED control board according to an embodiment of the present application.
In this embodiment, the power supply device includes a power input module 1, and the power input module 1 is used for introducing external power.
The power input module 1 comprises one or more input interfaces, and the input interfaces are used for connecting 220V or 110V power. The 220V or 110V power supply alternating current which is accessed by the power supply input device can be converted into direct current through the power supply input device 1, and the adaptation range of the power supply input device can be improved through the arrangement of one or more input interfaces.
The power supply device further comprises a control management module 2, wherein the control management module 2 is used for controlling the output current and signals.
The power supply device further comprises an output management module 3, and the output management module 3 is electrically connected with the output interface 4 through a power bus 6.
The output interface 4 is electrically connected to the power bus 6 with one or more operating voltages being different via a power branch line 7.
In this embodiment, the number of the power buses 6 is three, and the three power buses 6 output different working voltages respectively. The output interface 4 is electrically connected with the power bus 6 through a power branch line 7, wherein part of the output interface 4 is electrically connected with the power bus 6 through one power branch line 7, and the other part of the output interface 4 is electrically connected with the power bus 6 through one power branch line 7.
According to the power supply device of the LED control panel, the output interface 4 is electrically connected with the power bus 6 with one or more different working voltages through the power branch line 7, and the output interface 4 can be electrically connected with the power bus 6 with one or more different working voltages, so that diversified use requirements of the output interface 4 are met, the integration level is higher, and the practicability is higher.
Fig. 3 is another schematic structural diagram of a power supply device of an LED control board according to an embodiment of the present application.
In this embodiment, the power bus 6 includes a first power bus 61, a second power bus 62 and a third power bus 63, and the working voltages of the first power bus 61, the second power bus 62 and the third power bus 63 are respectively 12V, 5V and 3.3V.
The conversion module 5 is disposed between the first power bus 61 and the power input module 1, the conversion module 5 converts the input voltage of the power input module 1 into a working voltage required by the first power bus 61, and the working voltage of the first power bus 61 is 12V. Further, a conversion module 5 is disposed between the first power bus 61 and the second power bus 62, and between the second power bus 62 and the third power bus 63, the working voltage of the second power bus 62 is 5V, and the working voltage of the third power bus 63 is 3.3V.
In this embodiment, the output interface 4 is one or more of a USB module, a VGA module, an HDMI interface module, a wireless communication module, a Type-C interface module, and a PCIE interface module. The USB module is electrically connected with the first power bus 61 and the second power bus 62 through the power branch line 7, and the VGA module and the HDMI interface module are electrically connected with the first power bus 61 through the power branch line 7. The wireless communication module is electrically connected with the second power bus 62 and the third power bus 63 through the power branch line 7, and the Type-C interface module and the PCIE interface module are electrically connected with the third power bus 63 through the power branch line 7. The first power bus 61, the second power bus 62 and the third power bus 62 may be connected to more output interfaces 4 through the power branch lines 7, so as to meet the actual requirements.
As further shown in fig. 4, a switch module 8 is disposed between the output interface 4 and the power bus 6, and the switch module 8 is configured to control the number of the output interfaces 4 connected to the output management module 3.
In the embodiment of the application, the USB module, the VGA module, the HDMI interface module, the wireless communication module, the Type-C interface module, the PCIE interface module and the power bus 6 all have different access modes, when the output interface 4 needs working voltages of 12V and 5V or working voltages of 5V and 3.3V respectively, the power supply device can meet the requirements, and a switch module 8 is arranged between the output interface 4 and the power bus 6, so that the number of the output interfaces 4 accessed to the output management module 3 can be controlled, excessive loads of the power supply device can be prevented from being accessed simultaneously, and the processing efficiency of the LED control board can be improved.
As a preferred embodiment, the power input module 1 may determine the output power of the electrical energy according to the output current and voltage, and when the output power of the electrical energy is close to the load limit of the power input module 1, control the conversion module 5 to perform output control, so as to balance the output of the power input module 1, and avoid the output of the power input module 1 exceeding the load.
Further, when the output power of the electric energy is close to the load limit of the power input module 1, the power input module 1 turns off the conversion module 5 in a step-by-step manner according to the order of gradually increasing the output voltage until the output power of the electric energy is reduced to an acceptable range. On the other hand, when the load is light, the operation states of the respective conversion modules 5 are sequentially restored.
Further, each conversion module 5 may record the output power of the corresponding power branch line, and then feed back the output power of the corresponding power branch line to the power input module 1, where the power input module 1 monitors the total power output power according to the received output power of each power branch line, and under the condition that the power output power of the power is close to the load limit of the power input module 1, selects the conversion module 5 to perform output adjustment. For example, the switching module 5 connected to the power supply branch line selected for data transmission is adjusted, or the switching module 5 connected to the power supply branch line selected for low output voltage is adjusted.
Fig. 5 is a schematic structural diagram of a control management module 2 of an LED control board according to an embodiment of the present application.
In this embodiment, the control management module 2 includes:
the analog output unit is used for converting alternating current into analog signals and outputting the analog signals;
a digital output unit for outputting a digital signal;
and the direct current output unit is used for converting alternating current into direct current and outputting the direct current.
The control management module 2 is electrically connected with the power input module 1 and the output management module 3 respectively. Further, the control management module 2 includes an analog output unit, a digital output unit, and a dc output unit, which are electrically connected to the power input module 1 and the output management module 3, respectively.
The analog output unit may convert the alternating current into an analog signal output, and, illustratively, the analog output unit may convert the alternating current into a sine wave, a triangular wave, or the like. The digital output unit may output a digital signal, or maintain a continuous output of a digital signal 0 or a digital signal 1. The dc output unit may convert the ac power into dc power and output the dc power, where the dc power may be selected according to actual needs, for example, 12V, 5V, 3.3V, etc., which is not limited herein.
A filtering module 9 is arranged between the control management module 2 and the output management module 3, and the filtering module 9 is used for filtering noise and can maintain stable output of signals.
As a preferred embodiment, the output management module 3 is also used to identify devices at the output interface 4. In the case where an external device is connected to the output interface 4, the output management module 3 may identify the device connected to the output interface 4 based on the information returned from the output interface 4.
The output management module 3 may identify the device accessing the output interface 4 based on the analog signal returned from the output interface 4. For example, if a security token device is accessed, an analog signal is returned to the output management module 3 through the output interface 4, and the output management module 3 allows the security token device to be accessed when the analog signal meets a preset condition, and the refrigerator supplies power to the security token device.
The analog signal sent by the security token device may include a preset number of periods and a preset voltage peak value and a preset voltage valley value, for example, the analog signal may be three triangular wave signals, four sine wave signals, five square wave signals, or the like, and specific analog signal content may be virtual tweed according to actual needs.
The analog signal transmitted by the security token type device may comprise a digital signal, such as an 8-bit binary number, or a 16-bit binary number, and the specific digital signal content may be selected according to actual needs.
The output management module 3 may identify the device accessing the output interface 4 based on the digital signal returned from the output interface 4. Different external devices can use digital signals to feed back different device codes to the output management module 3, and the output management module 3 identifies the type of the accessed device according to the received device codes.
If the output management module 3 identifies that the accessed device is related to the power supply of the LED lamp beads, the device is marked, and the power supply request of the device is limited. In some cases, in the case where the output of the power input module 1 is insufficient, the power-off process is not performed on the device.
The device related to the power supply of the LED lamp beads comprises an LED control board for controlling the LED lamp beads, an image segmentation module for processing image data, and the like, and the specific device is configured according to actual needs.
Fig. 6 is a schematic structural diagram of an LED control board according to an embodiment of the present application.
In this embodiment, the LED control board includes a server 11, a control module 12, an image dividing module 13, a transmitting module 14, and a power supply device 15, where the server 11 is electrically connected to the control module 12 and the image dividing module 13, and the transmitting module 14 is electrically connected to an LED display device 16. The power supply device 15 is electrically connected to the control module 12, the image dividing module 13, and the LED display device 16, respectively. The control module 12, the image dividing module 13 and the LED display device 16 may be powered by the same power supply or may be independently powered by different power supplies.
The LED control board provided by the embodiment of the present application adopts the above-mentioned LED power supply device 15 to supply power, and is connected with the LED display device 16, so as to control the display of the LED display device 16, simplify the power supply mode of the power supply device 15, and improve the working efficiency of the power supply device 15.
It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is evident that the word "comprising" does not exclude other elements or steps, and that the singular does not exclude a plurality.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the application.

Claims (10)

1. A power supply device of an LED control board is used for controlling the display of an LED lamp and is characterized in that,
the power supply device comprises a power input module, wherein the power input module is used for introducing an external power supply;
the power supply device also comprises a control management module, wherein the control management module is used for controlling the output current and signals;
the power supply device further comprises an output management module, and the output management module is electrically connected with an output interface through a power bus;
the output interface is electrically connected with the power buses with different working voltages through power branch lines.
2. The power supply device of the LED control board according to claim 1, wherein: and a conversion module is arranged between the output interface and the power bus and is used for converting the voltage provided by the power input module into the working voltage required by the output interface.
3. The power supply device of the LED control board according to claim 2, wherein: the power buses comprise a first power bus, a second power bus and a third power bus, and working voltages of the first power bus, the second power bus and the third power bus are respectively 12V, 5V and 3.3V.
4. The power supply device of the LED control board according to claim 2, wherein: a switch module is arranged between the output interface and the power bus and used for controlling the number of the output interfaces connected to the output management module.
5. The power supply device of the LED control board according to claim 1, wherein: the output interface is one or more of a USB module, a VGA module, an HDMI interface module and a wireless communication module.
6. The power supply device of the LED control board according to claim 1, wherein: the output interface is a Type-C interface module and/or a PCIE interface module.
7. The power supply device of the LED control board according to claim 1, wherein: the control management module includes:
the analog output unit is used for converting alternating current into analog signals and outputting the analog signals;
a digital output unit for outputting a digital signal;
and the direct current output unit is used for converting alternating current into direct current and outputting the direct current.
8. The power supply device for an LED control board as set forth in claim 7, wherein: and a filtering module is arranged between the control management module and the output management module and is used for filtering noise and maintaining stable output of signals.
9. The power supply device of the LED control board according to claim 1, wherein: the power input module comprises one or more input interfaces for accessing 220V or 110V power.
10. An LED control board, characterized in that: the LED control board comprises a server, a control module, an image segmentation module, a transmission module and the power supply device according to claims 1-9.
CN202210500891.1A 2022-05-09 2022-05-09 Power supply device of LED control panel and LED control panel Pending CN117079581A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210500891.1A CN117079581A (en) 2022-05-09 2022-05-09 Power supply device of LED control panel and LED control panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210500891.1A CN117079581A (en) 2022-05-09 2022-05-09 Power supply device of LED control panel and LED control panel

Publications (1)

Publication Number Publication Date
CN117079581A true CN117079581A (en) 2023-11-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210500891.1A Pending CN117079581A (en) 2022-05-09 2022-05-09 Power supply device of LED control panel and LED control panel

Country Status (1)

Country Link
CN (1) CN117079581A (en)

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