CN220606124U - Backup type LED drive plate, LED module and LED display screen - Google Patents

Abstract

The utility model discloses a backup type LED driving plate, an LED module and an LED display screen, wherein the LED driving plate comprises a substrate and at least two interfaces, one side of the substrate is provided with a plurality of LED lamp beads, the other side of the substrate is provided with a plurality of groups of driving circuits electrically connected with the LED lamp beads, the interfaces are arranged on the other side of the substrate and are connected with the plurality of driving circuits in parallel, and an external cable can be spliced on the interfaces; through the structure, the cable can be connected into any interface 20 and can be communicated with a plurality of driving circuits 30, so that power is supplied to the LED lamp beads and control signals are sent, and the interfaces 20 are mutually standby, so that a rapid maintenance effect is achieved.

Description

Backup type LED drive plate, LED module and LED display screen

Technical Field

The utility model relates to the field of LED display screens, in particular to a backup type LED drive plate, an LED module and an LED display screen.

Background

The LED display screen is widely applied to places or occasions such as stages, T-tables, exhibition stands, bars, night-parks, broadcasting halls, meeting rooms, multimedia classrooms and the like, is formed by splicing a plurality of LED display screen modules, and has larger current during working, particularly a control board; therefore, a backup LED driving board, an LED module, and an LED display screen are urgently needed to solve the above-mentioned problems.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a backup type LED driving plate, an LED module and an LED display screen.

The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the backup type LED driving plate comprises a substrate and at least two interfaces, wherein one side of the substrate is provided with a plurality of LED lamp beads, the other side of the substrate is provided with a plurality of groups of driving circuits electrically connected with the LED lamp beads, the interfaces are arranged on the other side of the substrate and are connected with the plurality of driving circuits in parallel, and an external cable can be spliced on the interfaces.

Further, the interface comprises a socket, an anode conductive post, a cathode conductive post and a plurality of signal pins;

the socket is provided with a signal slot penetrating up and down, and a positive slot and a negative slot which are positioned on the periphery of the signal slot;

the signal pins are arranged in the slots and at least partially extend downwards to the outside of the socket;

the positive electrode conductive post is inserted into the positive electrode slot and at least partially extends downwards to the outside of the plug seat;

the negative electrode conductive post is inserted into the negative electrode slot and at least partially extends downwards to the outside of the plug seat;

the positive electrode conductive post, the negative electrode conductive post and the plurality of signal pins can be welded on the substrate.

Further, the upper end of the positive electrode conductive post is provided with a first connecting groove, the upper end of the negative electrode conductive post is provided with a second connecting groove, a positive electrode conductive contact pin on a plug of an external cable can be inserted into the first connecting groove, and a negative electrode conductive contact pin on the plug can be inserted into the second connecting groove.

Further, internal threads are arranged on the inner side walls of the first connecting groove and the second connecting groove so as to be in threaded connection with the threaded parts on the plug connector.

Further, the positive electrode conductive post and the negative electrode conductive post are connected with the plug socket through a detachable structure.

Further, the detachable structure is provided as a threaded connection.

Further, the positive electrode conductive post is in interference fit with the positive electrode slot, and the negative electrode conductive post is in interference fit with the negative electrode slot.

An LED module comprises the LED driving plate.

An LED display screen comprises the LED module.

The utility model has the beneficial effects that: the backup type LED driving plate comprises a substrate and at least two interfaces, wherein one side of the substrate is provided with a plurality of LED lamp beads, the other side of the substrate is provided with a plurality of groups of driving circuits electrically connected with the LED lamp beads, the interfaces are arranged on the other side of the substrate and are connected with the plurality of driving circuits in parallel, and an external cable can be spliced on the interfaces; through the structure, the cable can be connected into any interface 20 and can be communicated with a plurality of driving circuits 30, so that power is supplied to the LED lamp beads and control signals are sent, and the interfaces 20 are mutually standby, so that a rapid maintenance effect is achieved.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural diagram of a backup LED driving board;

fig. 2 is an exploded view of the interface.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, plural means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1 to 2, a backup LED driving board includes a substrate 10 and at least two interfaces 20, one side of the substrate 10 is provided with a plurality of LED lamp beads, the other side is provided with a plurality of groups of driving circuits 30 electrically connected with the LED lamp beads, the interfaces 20 are disposed on the other side of the substrate 10 and connected with the plurality of driving circuits 30 in parallel, and an external cable can be plugged on the interfaces 20.

In the utility model, an LED display screen is formed by splicing a plurality of LED modules, wherein each LED module comprises a shell and an LED driving plate arranged in the shell, when the LED display screen is spliced, the LED modules are arranged on a mounting rack, each LED module is connected together by using a cable and is connected with external control equipment, specifically, a plug connector on the cable is inserted into an interface 20 on a substrate 10, and the external control equipment sends a control signal to each LED module to display related patterns; because each LED module is provided with at least two interfaces 20 and is connected with the driving circuit 30 on the substrate 10 in parallel, any cable access interface 20 can be communicated with a plurality of driving circuits 30, so that power is supplied to the LED lamp beads and control signals are sent, and a plurality of interfaces 20 are mutually standby to play a role in quick maintenance.

Further, since the current of the large-sized LED display screen is large during operation, the interface 20 needs to be adjusted, specifically, the signal pins 24 are installed in the signal slots 25, the positive electrode conductive posts 22 and the negative electrode conductive posts 23 are respectively inserted into the positive electrode slots 26 and the negative electrode slots 27, specifically, the positive electrode conductive posts 22 and the negative electrode conductive posts 23 are respectively screwed into the positive electrode slots 26 and the negative electrode slots 27 in a threaded connection manner, so that the firmness between the socket 21 and the positive electrode conductive posts 22 and the negative electrode conductive posts 23 can be greatly improved, when the interface is connected with the LED display panel, only the positive electrode conductive posts 22, the negative electrode conductive posts 23 and the plurality of signal pins 24 need to be welded on the substrate 10, and the welding manner can be reflow soldering or the like, without limitation; when the plug connector is used, the plug connector matched with the interface is inserted into the plug connector 21, specifically, the plug connector is provided with an anode connecting column, a cathode connecting column and a plurality of signal pins, wherein the plurality of signal pins can extend into the signal slots 25 and are in one-to-one corresponding butt joint with the signal pins 24 when the plug connector is inserted into the plug connector 21, the anode connecting column extends into the first connecting groove 41 on the anode conducting column 22 when the plug connector is inserted into the plug connector 21, the cathode connecting column extends into the second connecting groove 42 on the cathode conducting column 23 when the plug connector is inserted into the plug connector 21, and of course, a threaded part can be arranged, and the internal thread 50 is arranged on the inner side walls of the first connecting groove 41 and the second connecting groove 42 in a threaded connection mode after the plug connector is inserted into the plug connector 21, so that firm connection between the plug connector and the plug connector 21 is realized, and unexpected falling is avoided; the utility model has the advantages that: by adopting the columnar conductive pins as the positive electrode/negative electrode, the upper limit of the current which can be born by the interface is improved, meanwhile, the welding firmness between the interface and the substrate 10 can be improved, the power supply requirement of the high-power LED display screen is met, and the high-power LED display screen has very good practicability.

The interface 20 comprises a socket 21, an anode conductive post 22, a cathode conductive post 23 and a plurality of signal pins 24;

the socket 21 is provided with a signal slot 25 penetrating up and down, a positive slot 26 and a negative slot 27 positioned on the periphery side of the signal slot 25;

the signal pins 24 are disposed in the slots and extend at least partially downward out of the socket 21;

the positive electrode conductive post 22 is inserted into the positive electrode slot 26 and at least partially extends downwards to the outside of the plug seat 21;

the negative electrode conductive post 23 is inserted into the negative electrode slot 27 and at least partially extends downwards to the outside of the plug seat 21;

the positive conductive post 22, the negative conductive post 23, and the plurality of signal pins 24 may be soldered on the substrate 10.

The upper end of the positive electrode conductive post 22 is provided with a first connecting groove 41, the upper end of the negative electrode conductive post 23 is provided with a second connecting groove 42, a positive electrode conductive contact pin on a plug of an external cable can be inserted into the first connecting groove 41, and a negative electrode conductive contact pin on the plug can be inserted into the second connecting groove 42.

The inner side walls of the first and second connection grooves 41 and 42 are provided with internal threads 50 for threaded connection of the threaded portions of the plug.

As a first embodiment of the connection between the positive electrode conductive post 22 and the negative electrode conductive post 23, the positive electrode conductive post 22 and the negative electrode conductive post 23 are connected to the socket 21 by the detachable structure 60; as a preferred embodiment of the detachable structure 60, the detachable structure 60 is provided as a screw connection structure.

As a second embodiment of the connection between the positive electrode conductive post 22 and the negative electrode conductive post 23, the positive electrode conductive post 22 is interference fit with the positive electrode socket 26, and the negative electrode conductive post 23 is interference fit with the negative electrode socket 27.

An LED module comprises the LED driving plate.

An LED display screen comprises the LED module.

Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims (9)

1. The utility model provides a backup type LED drive plate which characterized in that: the LED lamp comprises a substrate (10) and at least two interfaces (20), wherein a plurality of LED lamp beads are arranged on one side of the substrate (10), a plurality of groups of driving circuits (30) electrically connected with the LED lamp beads are arranged on the other side of the substrate (10), the interfaces (20) are arranged on the other side of the substrate (10) and are connected with the driving circuits (30) in parallel, and external cables can be spliced on the interfaces (20).

2. The backup LED driver board of claim 1, wherein: the interface (20) comprises a plug-in seat (21), an anode conductive column (22), a cathode conductive column (23) and a plurality of signal pins (24);

the socket (21) is provided with a signal slot (25) penetrating up and down, and a positive electrode slot (26) and a negative electrode slot (27) which are positioned on the periphery of the signal slot (25);

the signal pins (24) are arranged in the slots and at least partially extend downwards to the outside of the plug-in socket (21);

the positive electrode conductive post (22) is inserted into the positive electrode slot (26) and at least partially extends downwards to the outside of the plug seat (21);

the negative electrode conductive post (23) is inserted into the negative electrode slot (27) and at least partially extends downwards to the outside of the plug-in socket (21);

the positive electrode conductive post (22), the negative electrode conductive post (23) and a plurality of signal pins (24) can be welded on the substrate (10).

3. A backup LED driving board as claimed in claim 2, wherein: the upper end of the positive electrode conductive post (22) is provided with a first connecting groove (41), the upper end of the negative electrode conductive post (23) is provided with a second connecting groove (42), a positive electrode conductive contact pin on a plug of an external cable can be inserted into the first connecting groove (41), and a negative electrode conductive contact pin on the plug can be inserted into the second connecting groove (42).

4. A backup LED driving board according to claim 3, wherein: internal threads (50) are arranged on the inner side walls of the first connecting groove (41) and the second connecting groove (42) so as to be in threaded connection with the threaded parts on the plug connector.

5. A backup LED driving board as claimed in claim 2, wherein: the positive electrode conductive post (22) and the negative electrode conductive post (23) are connected with the plug socket (21) through a detachable structure (60).

6. The backup LED driving board of claim 5, wherein: the detachable structure (60) is provided as a threaded connection.

7. A backup LED driving board as claimed in claim 2, wherein: the positive electrode conductive post (22) is in interference fit with the positive electrode slot (26), and the negative electrode conductive post (23) is in interference fit with the negative electrode slot (27).

8. An LED module, characterized in that: comprising the LED driving board of any one of claims 1-7.

9. An LED display screen, characterized in that: comprising the LED module of claim 8.