CN214336189U

CN214336189U - LED display screen function card with automatic switching on and off electric function

Info

Publication number: CN214336189U
Application number: CN202022924171.7U
Authority: CN
Inventors: 韩强; 王文荣
Original assignee: Nanjing Jucheng Electronic Technology Co ltd
Current assignee: Nanjing Jucheng Electronic Technology Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-10-01
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a LED display screen adopts the LED display screen function card with automatic switch electric function that has the application scene field of intelligence switch electric function, by two RJ45 interfaces, giga network transformer, giga net PHY chip, the FPGA chip, solid state relay, the PCB board is constituteed. The RJ45 interface, the gigabit network transformer and the gigabit PHY chip provide a gigabit network signal receiving and transmitting path, the FPGA completes the judgment of the gigabit network signal, and the solid-state relay executes the power-on and power-off actions. The global design makes this function card can forward the giga network signal exchange of upper equipment transmission and subordinate's equipment completely, can whether simultaneously can automatic identification exist the signal that upper equipment sent, to miniature display screen, when power is less than 2KW, can directly adopt this function card to accomplish automatic switch, to large-scale LED display screen, can insert in the LED display screen switch board, control ac contactor for the LED display screen can open the power voluntarily when discerning upper equipment.

Description

LED display screen function card with automatic switching on and off electric function

Technical Field

The utility model belongs to the LED display screen adopts the application scene that has the intelligence switch electric work, specifically a LED display screen function card with automatic switch electric work, to miniature display screen, when power is less than 2KW, can directly adopt this function card to accomplish automatic switch, to large-scale LED display screen, can insert in the LED display screen switch board, control ac contactor, make the LED display screen can open the power automatically when discerning upper equipment, when upper equipment shuts down, the automatic power supply that turns off, operating procedure has been practiced thrift for operating personnel, especially solved and turned off upper equipment when operating personnel, forget when turning off the LED display screen, the LED display screen still electrified power consumptive waste that causes, for the user has practiced thrift power consumption, avoid extravagant.

Background

The LED display screen is used as an indoor and outdoor optimal propaganda medium, is widely applied to various display occasions requiring large size, and brings convenient application for information distribution and advertising propaganda.

However, the switching power part of the current LED display screen is not operated intelligently, and the switching power operation is still required to be performed by an operator every day according to the steps, even if some power distribution cabinets are configured with the remote switching power function, the operation closing action is usually forgotten due to negligence of the operator when the power supply of the LED display screen should be closed after work, so that the user causes huge waste of power consumption.

Disclosure of Invention

An object of the utility model is to provide a LED display screen function card with automatic switch electric function to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a LED display screen function card with automatic switch electric function, by two RJ45 interfaces, giga network transformer, giga net PHY chip, the FPGA chip, solid state relay, PCB board are constituteed. The RJ45 interface, the gigabit network transformer and the gigabit PHY chip provide a gigabit network signal receiving and transmitting path, the FPGA completes the judgment of the gigabit network signal, and the solid-state relay executes the power-on and power-off actions. The whole design makes this function card can forward the giga network signal exchange of upper equipment transmission and subordinate's equipment completely, can automatic identification simultaneously whether exist the signal that upper equipment sent, automatic cutout LED display screen's power when no signal, when having the giga network signal that upper equipment sent, automatic power of opening LED display screen.

As a further aspect of the present invention: the function card can identify whether all gigabit network signals normally exist, and is not limited to a specific manufacturer network protocol.

As a further aspect of the present invention: the LED display screen function card with the automatic switching function adopts a solid-state relay to control equipment such as a high-current alternating current contactor and the like required by the LED display screen switching function.

As a further aspect of the present invention: the LED display screen function card with the automatic switching function has the advantages that the two RJ45 interfaces can be used as input and output.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model belongs to LED display screen adopts the application scene that has intelligent switch electric function, to miniature display screen, when power is less than 2KW, can directly adopt this function card to accomplish automatic switch, to large-scale LED display screen, can insert in the LED display screen switch board, control ac contactor, make the LED display screen can open the power automatically when discerning upper equipment, when upper equipment shuts down, the automatic power off, operating procedure has been practiced thrift for operating personnel, especially, it turns off upper equipment to have solved when operating personnel, forget when turning off the LED display screen, the LED display screen still electrified power consumptive waste that causes, for the user has practiced thrift the power consumption, avoid extravagant.

Drawings

Fig. 1 is a functional block diagram of the LED display screen with the function of automatically switching on and off the electric power according to the present invention;

FIG. 2 is a schematic connection diagram of an LED display screen function card with an automatic power-on and power-off function used in an actual project;

fig. 3 is a schematic diagram of the middle function card of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, an LED display function card with an automatic power on/off function is composed of two RJ45 interfaces, a gigabit network transformer, a gigabit network PHY chip, an FPGA chip, a solid state relay, and a PCB; the utility model discloses an originating application lies in the logic design part at the FPGA chip of this function card, it can discern all giga network signal, do not produce the difference because of the agreement difference of each control card producer, can forward various network data package completely simultaneously, do not carry out any destruction to the data interchange between upper equipment and the lower floor's equipment, the condition of losing the data package has been avoided, wherein the RJ45 interface, giga network transformer, giga PHY chip provides and receives and send giga network signal route, FPGA accomplishes the differentiation of giga network signal, solid state relay carries out the power on, the action of power off. The whole design makes this function card can forward the giga network signal exchange of upper equipment transmission and subordinate's equipment completely, can automatic identification simultaneously whether exist the signal that upper equipment sent, automatic cutout LED display screen's power when no signal, when having the giga network signal that upper equipment sent, automatic power of opening LED display screen.

The function card can identify whether all gigabit network signals normally exist or not, and is not limited to a certain specific manufacturer network protocol; the LED display screen function card with the automatic switching function adopts a solid-state relay to control devices such as a high-current alternating current contactor and the like required by the LED display screen switching function; the LED display screen function card with the automatic switching function has the advantages that the two RJ45 interfaces can be used as input and output.

The utility model discloses a theory of operation is: the LED display screen function card with the automatic power on and off function is inserted between the LED display screen sending device and the LED display screen receiving device, data between the sending card and the receiving card are completely transmitted, meanwhile, whether the sending card is started or not and a network signal is sent can be monitored, the display screen power supply can be automatically turned on when the network signal exists, and the LED display screen power supply is automatically turned off when the sending card is powered off or the network signal is lost.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a LED display screen function card with automatic switch electric function, includes the function card, its characterized in that: the function card is by two RJ45 interfaces, giga network transformer, giga net PHY chip, the FPGA chip, solid state relay, the PCB board is constituteed, wherein RJ45 interface, giga network transformer, giga PHY chip provides the giga network signal passageway of receiving and sending, FPGA accomplishes the differentiation of giga network signal, solid state relay carries out the action of switching on the electricity, the power of turning off the electricity, the global design makes this function card can transmit the giga network signal exchange of upper equipment transmission and subordinate's equipment completely, can automatic identification simultaneously whether exist the signal that upper equipment sent, automatic cutout LED display screen's power when no signal, when having the giga network signal that upper equipment sent, automatic power of opening LED display screen.

2. The LED display screen function card with the automatic switching function of claim 1, wherein: the function card can identify whether all gigabit network signals normally exist.

3. The LED display screen function card with the automatic switching function of claim 1, wherein: the LED display screen function card with the automatic switching function adopts a solid-state relay to control a large-current alternating-current contactor required by the LED display screen switching function.

4. The LED display screen function card with the automatic switching function of claim 1, wherein: the LED display screen function card with the automatic switching function has the advantages that the two RJ45 interfaces can be used as input and output.