CN201262809Y - Energy-saving device of LED electronic display screen - Google Patents

Abstract

The utility model discloses an energy-saving device of an LED electronic display screen, which comprises a power supply and the LED display screen. The energy-saving device provides different power supply voltages for respective power supply against the actual needs of a driving chip, different LED lamps and other different electronic devices in a display screen system, thereby achieving the purpose of reducing the energy consumption of the LED electronic display screen. The energy-saving device of the LED electronic display screen comprises the power supply, an LED screen controller, an LED screen drive and the LED display screen, and an integrated circuit in the LED screen drive adopts the voltage power supply mode which is different from the LED lamps; the power supply simultaneously outputs 2 or 3 voltages and a public ground wire through a multi-pin connector, thereby meeting the energy-saving requirements and also facilitating the power supply of the LED electronic display screen; and anodes of the red, the blue and the green LED lamps in a lamp panel of the LED display screen, a control circuit, and the like adopt different voltages for power supply. The energy-saving device can save the energy and effectively improve the service life of the LED electronic display screen.

Description

A LED electronic display energy-saving device

technical field

The utility model relates to an LED electronic display screen, in particular to an energy-saving device for an LED electronic display screen.

Background technique

Simply put, LED electronic display is an electronic display that uses light-emitting diodes as a display means. As a digital, high-brightness electronic display device, it has been widely used in various display fields. For example, in banks, post and telecommunications, taxation, airports, stations, securities markets and other trading markets, hospitals, electric power and other occasions that require announcements and publicity, large-scale LED electronic displays often appear, which brings convenience to people's lives and adds endless benefits. Less color; in the train station, in order to facilitate passengers to understand and master the accurate information of the train, a large LED electronic display screen is often installed in the lobby of the train station, and some relevant information of the train is scrolled on it; in large hospitals, The LED electronic display screen is also used to broadcast the price information of medicines to make the consumption of ordinary people more transparent. Although LED electronic display screens have been widely used in people's lives, LED electronic display screens consume a lot of power due to long-term operation, and the functional components of the display screen are heated and the temperature rises, which greatly reduces the life of LED electronic display screens.

At present, in the existing single-color, double-color and full-color LED electronic display screens, the red, green, blue LED lights and control ICs in the light board are powered by the same voltage (5V). There is a lot of unnecessary energy loss and a lot of heat is generated, which not only consumes a lot of energy, but also is harmful to the environment, resulting in energy waste, and also detrimental to the quality and life of the product itself.

Utility model content

The technical problem to be solved by the utility model is to provide an energy-saving device for an LED electronic display screen, which can save energy, effectively reduce the temperature of each part of the LED electronic display screen, and greatly improve the service life of the LED electronic display screen.

In order to solve the problems referred to above, the technical scheme of the utility model is as follows:

An energy-saving device for an LED electronic display screen, comprising a power supply and an LED display screen, the LED display screen circuit is connected to an LED screen driver, and the LED screen driver is also circuit connected to an LED screen controller. The LED display screen is provided with electrical components with different working voltages, and the power supply is provided with output ports with different power supply voltages corresponding to the electrical components in the LED display screen, so as to supply power to the electrical components with different working voltages. The power supply is connected to the LED screen controller, the LED screen driver and the LED display screen respectively, and provides corresponding voltages to them; the LED screen controller transmits electrical signals such as video signals and image information to the LED screen driver, and the LED screen driver After converting the corresponding signal, the corresponding image is displayed on the LED display.

The power supply is provided with a blue-green LED driving voltage output port, a red LED driving voltage output port, a driver power supply voltage output port and a controller power supply voltage output port.

The LED display screen is provided with a blue LED light, a green LED light and a red LED light, and the blue LED light and the green LED light are respectively connected to the blue-green LED driving voltage output port; the red LED light is connected to the The red LED driving voltage output port is connected to each other.

The driver power supply voltage output port is connected to the LED screen driver, and the controller power supply voltage output port is connected to the LED screen controller.

According to the actual needs of different electronic devices such as drive chips and different LED lamps in the system, the power supply provides power supply with different power supply voltages to reduce the energy consumption of LED electronic display screens; the power supply is through a multi-core plug, and at the same time Output 2 or 3 kinds of voltage and common ground wire, which not only meets the requirements of energy saving, but also conveniently supplies power to the LED electronic display.

The red LED lights in the light board of the LED display screen, the anodes and control circuits of the blue and green LED lights are powered by different voltages.

The integrated circuit of the driving board in the LED driver adopts a voltage supply mode different from that of the LED lamp.

The beneficial effect of the utility model is that, according to the actual needs of different electronic devices such as drive chips and LED lamps in the LED electronic display screen, different voltages are provided for power supply respectively, so as to achieve the purpose of reducing the energy consumption of the LED electronic display screen, and at the same time reduce It reduces the heat and improves the service life of the LED electronic display.

Description of drawings

The utility model is described in detail below in conjunction with accompanying drawing and specific embodiment;

Fig. 1 is a schematic circuit diagram of an LED electronic display screen energy-saving device of the present invention.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific illustrations.

As shown in Figure 1, an energy-saving device for an LED electronic display screen includes a power supply 1 and an LED display screen 4, the LED display screen 4 is circuit connected to an LED screen driver 3, and the LED screen driver 3 is also circuit connected to an LED screen control Device 2. The LED display screen 4 is provided with a blue LED lamp 41, a green LED lamp 42 and a red LED lamp 43, and the power supply 1 is provided with a blue-green LED drive voltage output port 11, a red LED drive voltage output port 12, a driver power supply Voltage output port 13 and controller power supply voltage output port 14; said power supply 1 is connected with LED screen controller 2, LED screen driver 3 and LED display screen 4 respectively, and provides corresponding voltages to them; said LED screen controller will Electrical signals such as video signals and image information are transmitted to the LED screen driver, and the LED screen driver converts the corresponding signals and displays corresponding images on the LED display screen.

The utility model is an energy-saving device for an LED electronic display screen. The power supply 1 is connected with a blue-green LED driving voltage output port 11, a red LED driving voltage output port 12, a driver power supply voltage output port 13 and Controller supply voltage output port 14.

The blue-green LED drive voltage output port 11 is respectively connected to the input end of the blue LED light 41 and the input end of the green LED light 42 for power supply; the red LED drive voltage output port 12 is connected to the input end of the red LED light 43. Unicom;

The driver power supply voltage output port 13 is connected with the input end of the LED screen driver 3, and the LED screen driver output port 3 is connected with the input end of the LED display screen 4;

The controller power supply voltage output port 14 is connected with the input end of the LED screen controller 2 , and the output end of the LED screen controller 2 is connected with the input end of the LED screen driver 3 .

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. The utility model does not depart from the spirit and scope of the utility model There will also be various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (2)

1. An energy-saving device for an LED electronic display screen, comprising a power supply and an LED display screen, the LED display screen is provided with electrical components with different operating voltages, it is characterized in that the power supply is provided with Corresponding to output ports with different power supply voltages, the output ports with different power supply voltages are connected to corresponding electrical components with different working voltages, and a multi-core plug is arranged in the power supply. 2. An LED electronic display screen energy-saving device according to claim 1, characterized in that, the LED display screen is provided with blue LED lights, green LED lights, and red LED lights, and the LED display screen also has a circuit Connect an LED screen driver, the LED screen driver circuit is connected to an LED screen controller; The power supply is provided with a blue-green LED drive voltage output port, a red LED drive voltage output port, a driver power supply voltage output port and a controller power supply voltage output port; The blue-green LED drive voltage output port is connected to the blue LED light and the green LED light respectively, the red LED drive voltage output port is connected to the red LED light, the driver power supply voltage output port is connected to the LED screen driver, The controller power supply voltage output port is connected with the LED screen controller.

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