Energy-saving power supply controller for LED display screen

Abstract

The utility model discloses an energy-saving power supply controller for an LED display screen, which comprises a box body and a cover body, a HUB board connected with an LED display screen module outside the box body is arranged in the box body, a receiving card is arranged on the HUB board, a T-shaped wire connected with an external power supply is arranged at one end of the box body, a controller and a main power supply are fixed on the cover body, a PCB is arranged in the controller, and the main power supply is connected with the box body. A relay, a power supply input terminal, a power supply output terminal and a connector are electrically connected to the PCB, the relay is electrically connected with the connector, the connector is electrically connected with the receiving card, the power supply input terminal is electrically connected with the T-shaped wire, the power supply output terminal is electrically connected with the main power supply, and the main power supply is electrically connected with the HUB board; the power-on and power-off of the main power supply connected with the LED display screen module are controlled through the cooperation of the receiving card and the relay, the standby power consumption of the LED display screen is reduced, and the electric energy is saved; in addition, through a surrounding protection cavity structure formed by the base, the upper cover plate and the transparent protection cover, a good protection effect is achieved, and the risk of electric shock is avoided.

Description

Technical Field

[0001] This utility model relates to the field of LED display technology, and in particular to an energy-saving power controller for LED displays. Background Technology

[0002] As displays become increasingly prevalent in people's lives, people are increasingly favoring displays with low power consumption, high reliability, and high security. Traditional display control systems start working after being connected to a power source. Sometimes, the LED module is actually black and does not display any image, but the main power supply is still continuously supplying power to the LED module. The LED beads are not emitting light, and other components in the module are constantly consuming energy. At the same time, the main power supply is also working, which leads to the disadvantage of high power consumption in LED display modules and wastes electrical resources. Therefore, this utility model proposes an energy-saving power controller for LED displays to solve the problems existing in the prior art. Utility Model Content

[0003] To address the aforementioned problems, the purpose of this utility model is to propose an energy-saving power controller for LED displays. This energy-saving power controller for LED displays controls the power supply to and from the main power source connected to the LED display module through the combined action of a receiving card and a relay, greatly reducing the standby power consumption of the LED display, saving energy, improving energy utilization, and reducing energy waste. At the same time, the protective cavity structure surrounded by the base, top cover, and transparent protective cover provides excellent protection, avoids the risk of electric shock, and facilitates maintenance.

[0004] To achieve the purpose of this utility model, the following technical solution is adopted: An energy-saving power controller for LED displays includes a housing and a cover. A HUB board is fixed inside the housing, and a receiver card is provided on the HUB board. A T-shaped wire is provided at one end of the housing for connecting to external high-voltage AC / DC power. A controller and a main power supply are fixed on the cover. The controller has a built-in PCB circuit board. A relay, a power input terminal, a power output terminal, and a connector are electrically connected on the PCB circuit board. The relay is electrically connected to the connector, and the connector is electrically connected to the receiver card. The receiver card is used to receive and send relay on / off signals. The power input terminal is electrically connected to the T-shaped wire, the power output terminal is electrically connected to the main power supply, the main power supply is electrically connected to the HUB board, and an LED display module disposed outside the housing is electrically connected to the HUB board.

[0005] In the specific circuit design, the PCB circuit board integrates a switching power supply circuit and a switching control circuit. In the switching power supply circuit, the external high-voltage AC / DC power connected by the T-shaped line is rectified by the rectifier bridge and filtered by the capacitor to output high-voltage DC power. The high-voltage DC power is connected to the main power supply through the power output terminal, and the main power supply supplies power to the LED display module.

[0006] In practical use, when the LED display module is not working, that is, when it does not need to display an image, the receiving card sends a disconnect signal to the relay. The relay disconnects, and there is no voltage output at the power output terminal, meaning that the LED display module has no power supply, saving the standby power consumption of the LED display. When the LED display module needs to display an image, the receiving card sends an connect signal to the relay. The relay closes, thus enabling the LED display module to be powered and to display normally.

[0007] The receiving card receives and sends on / off signals. The on / off signals can be sent from the computer to the receiving card. For example, a high-level signal corresponds to a closed signal, and a low-level signal corresponds to an open signal.

[0008] A further improvement is that the controller also includes a base and a top cover. The base is fixed to the cover, the top cover is fixed to the base, and the PCB circuit board is fixed to the base and located between the base and the top cover.

[0009] A further improvement is that the base and top cover are made of metal. Specifically, the base and top cover can be made of aluminum or other metal materials with good heat dissipation.

[0010] A further improvement is that a transparent protective cover is rotatably connected to the base on one side of the power output terminal. The upper part of the transparent protective cover has outwardly protruding snap-fit ​​protrusions on both sides. A slot is provided at the connection between the base and the upper cover plate. A snap-fit ​​hole is opened on the base. The upper part of the transparent protective cover can be snapped into the slot. The snap-fit ​​protrusions and snap-fit ​​holes are matched and adapted. The base, the upper cover plate and the transparent protective cover form a protective cavity structure that effectively reduces the risk of electric shock. The structural design of the transparent protective cover facilitates maintenance.

[0011] The beneficial effects of this utility model are as follows: This utility model controls the power on and off of the LED display module through the cooperation of the receiving card and the relay, which greatly reduces the standby power consumption of the LED display, saves energy, improves energy utilization, and reduces energy waste. At the same time, the enclosed protective cavity structure formed by the base, the top cover and the transparent protective cover provides a good protection effect for the PCB circuit board, relays and other components inside the controller, avoiding the risk of electric shock. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the overall structure of the controller in this utility model;

[0014] Figure 3 This is the circuit diagram of the switching power supply of this utility model;

[0015] Figure 4 This is the circuit diagram for the switch control of this utility model.

[0016] in:

[0017] 1. Box body; 2. Lid body;

[0018] 3. Controller;

[0019] 31. Base; 32. PCB circuit board; 33. Relay; 34. Power input terminal; 35. Power output terminal; 36. Connector; 37. Top cover; 38. Transparent protective cover;

[0020] 4. HUB board; 5. Receiver card; 6. Main power supply; 7. T-cable. Detailed Implementation

[0021] To deepen the understanding of this utility model, the following detailed description will be provided in conjunction with embodiments. These embodiments are only used to explain this utility model and do not constitute a limitation on the scope of protection of this utility model.

[0022] according to Figures 1-4 As shown, this embodiment provides an energy-saving power controller for LED displays, including a housing 1 and a cover 2. A HUB board 4 is fixed inside the housing 1, and a receiver card 5 is provided on the HUB board 4. A T-shaped wire 7 is provided at one end of the housing 1 for connecting to external high-voltage AC / DC power. A controller 3 and a main power supply 6 are fixed on the cover 2. The controller 3 has a built-in PCB circuit board 32, and a relay 33, a power input terminal 34, a power output terminal 35, and a connector 36 are electrically connected to the PCB circuit board 32. The relay 33 is electrically connected to the connector 36, and the connector 36 is electrically connected to the receiver card 5. The receiver card 5 is used to receive and send the on / off signals of the relay 33. The power input terminal 34 is electrically connected to the T-shaped wire 7, the power output terminal 35 is electrically connected to the main power supply 6, and the main power supply 6 is electrically connected to the HUB board 4. An LED display module disposed outside the housing 1 is electrically connected to the HUB board 4.

[0023] The PCB circuit board 32 integrates a switching power supply circuit and a switching control circuit. In the switching power supply circuit, the external high-voltage AC / DC power connected by T-line 7 is rectified by a rectifier bridge and filtered by a capacitor to output high-voltage DC power HV+. This high-voltage DC power is then converted into two low-voltage DC power supplies, VO and VCCO, by the flyback switching power supply circuit for use by subsequent stages, as shown in the attached manual. Figure 3 The circuit diagram shown; where VO powers the receiver card 5, and VCCO is connected to the control circuit of relay 33, as per the instruction manual. Figure 4The circuit diagram shown indicates that CN101 represents power output terminal 35, CN500 represents connector 36, RL100 represents relay 33, and PC102 represents optocoupler receiver, which is used to receive signal commands from receiver card 5 and control relay 33. High-voltage AC / DC power is connected to main power supply 6 through power output terminal 35, and main power supply 6 supplies power to LED display module.

[0024] In practical use, when the LED display module is not working, that is, when it does not need to display an image, the receiver card 5 sends a disconnect signal to the relay 33. The relay 33 disconnects, and the power output terminal 35 has no voltage output, that is, the LED display module has no power supply, saving the standby power consumption of the LED display. When the LED display module needs to display an image, the receiver card 5 sends an connect signal to the relay 33. The relay 33 closes, and the power supply to the LED display module is realized, so that it can display normally.

[0025] Receiver 5 receives and sends on / off signals. The on / off signals can be sent from the computer to the receiver 5. For example, a high-level signal corresponds to a closed signal, and a low-level signal corresponds to an open signal.

[0026] The controller 3 also includes a base 31 and an upper cover 37. The base 31 is fixed on the cover 2, the upper cover 37 is fixed on the base 31, and the PCB circuit board 32 is fixed on the base 31 and located between the base 31 and the upper cover 37.

[0027] The base 31 and the top cover 37 are made of metal. Specifically, the base 31 and the top cover 37 can be made of aluminum or other metal materials with good heat dissipation.

[0028] A transparent protective cover 38 is rotatably connected to the base 31 on one side of the power output terminal 35. The upper end of the transparent protective cover 38 has outwardly protruding snap-fit ​​protrusions on both sides. A slot is provided at the connection between the base 31 and the upper cover 37. A snap-fit ​​hole is opened on the base 31. The upper end of the transparent protective cover 38 can be snapped into the slot. The snap-fit ​​protrusions and snap-fit ​​holes are matched. The base 31, the upper cover 37 and the transparent protective cover 38 form a protective cavity structure, which effectively reduces the risk of electric shock. The structural design of the transparent protective cover 38 facilitates maintenance.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An energy-saving power controller for LED displays, characterized in that: Includes a box body (1) and a cover body (2). A HUB board (4) is fixed inside the box body (1). A receiver card (5) is provided on the HUB board (4). A T-shaped wire (7) is provided at one end of the box body (1). A controller (3) and a main power supply (6) are fixed on the cover body (2). A PCB circuit board (32) is built into the controller (3). A relay (33), a power input terminal (34), a power output terminal (35), and a connector (36) are electrically connected on the PCB circuit board (32). The relay (33) is electrically connected to the connector (36). The connector (36) is electrically connected to the receiver card (5). The power input terminal (34) is electrically connected to the T-shaped wire (7). The power output terminal (35) is electrically connected to the main power supply (6). The main power supply (6) is electrically connected to the HUB board (4). An LED display module is provided outside the box body (1) on the HUB board (4).

2. The energy-saving power controller for LED displays according to claim 1, characterized in that: The controller (3) also includes a base (31) and an upper cover (37). The base (31) is fixed on the cover (2), the upper cover (37) is fixed on the base (31), and the PCB circuit board (32) is fixed on the base (31) and located between the base (31) and the upper cover (37).

3. The energy-saving power controller for LED displays according to claim 2, characterized in that: The base (31) and the top cover (37) are made of metal.

4. The energy-saving power controller for LED displays according to claim 2, characterized in that: The base (31) is rotatably connected to a transparent protective cover (38) on one side of the power output terminal (35). The upper end of the transparent protective cover (38) has outwardly protruding snap-fit ​​protrusions on both sides. The base (31) and the upper cover plate (37) are connected by a slot. The base (31) has a snap-fit ​​hole. The upper end of the transparent protective cover (38) can be snapped into the slot. The snap-fit ​​protrusion and the snap-fit ​​hole are snapped into each other. The base (31), the upper cover plate (37) and the transparent protective cover (38) form a protective cavity structure.

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