Adapter for converting DVI male joint into HDMI female interface

Abstract

The utility model discloses an adapter for converting a DVI male joint into an HDMI female interface, which comprises an insulator, one end of the insulator is connected with the DVI male joint, the other end of the insulator is provided with the HDMI female interface, a PCB or a signal line is arranged in the insulator, the DVI male joint is electrically connected with the PCB or the signal line, the HDMI female interface is electrically connected with the PCB or the signal line, a 15KV ESD chip is arranged in the PCB, and the DVI male joint is electrically connected with the HDMI female interface. The PCB is of a four-layer board structure, and the ESD chip is an electrostatic discharge protection chip which is connected with a ground wire. According to the utility model, the PCB adopts a four-layer circuit board structure, so that electromagnetic interference (EMI) can be reduced and signal integrity can be improved; the ESD chip is adopted, and when electrostatic discharge occurs, high voltage is quickly guided to a ground wire or other safety areas, so that a sensitive circuit in the chip is protected from being damaged; and the impedance PCB circuit design is adopted, so that the switching resolution can reach 3840 * 2160 at 60Hz.

Description

Technical Field

[0001] This utility model relates to the field of signal transmission technology, specifically a DVI male connector to HDMI female interface adapter. Background Technology

[0002] A DVI to HDMI female adapter is an adapter used to convert a DVI interface to an HDMI interface via a PCB adapter board. This type of adapter typically supports DVI-D (24+1) interfaces, enabling the transmission of high-definition video signals. Because DVI and HDMI are very similar in principle, this adapter can effectively achieve signal conversion.

[0003] Existing adapters are susceptible to electromagnetic interference, and electronic devices are easily damaged by electrostatic discharge.

[0004] Therefore, we propose a DVI male to HDMI female adapter to solve the problems mentioned above. Utility Model Content

[0005] The purpose of this invention is to provide a DVI male connector to HDMI female interface adapter to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a DVI male connector to HDMI female interface adapter, comprising: an insulator, one end of which is connected to a DVI male connector and the other end of which is provided with an HDMI female interface, and a PCB board or signal line is also provided inside the insulator, wherein the DVI male connector is electrically connected to the PCB board or signal line and the HDMI female interface is electrically connected to the PCB board or signal line.

[0007] The PCB board is equipped with a 15KV ESD chip and adopts a four-layer board structure.

[0008] The ESD chip is an electrostatic discharge protection chip, and the electrostatic discharge protection chip is connected to the ground wire.

[0009] Preferably, the insulator has through holes on both sides, which penetrate the upper and lower end faces of the upper and lower insulators. A screw is installed in the through hole, with a screw integrally provided at one end and a nut fixedly connected at the other end. The screw is screwed into the auxiliary fixing screw hole of the main unit.

[0010] Preferably, the insulator side surface is further provided with anti-slip grooves.

[0011] Preferably, a metal sheet is fixedly disposed on the end face of the insulator where the DVI male connector is located, and a through hole extends from the side of the insulator into the metal sheet.

[0012] Preferably, the PCB board consists of a top signal layer, an intermediate power layer, an intermediate GND layer, and a bottom signal layer, and the PCB board is provided with anti-derailment bumps.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. The PCB board adopts a four-layer circuit board structure, which helps to reduce electromagnetic interference (EMI) and improve signal integrity;

[0015] 2. ESD chip is used to quickly guide high voltage to ground or other safe areas when electrostatic discharge occurs, thereby protecting the sensitive circuits inside the chip from damage.

[0016] 3. The existing technology has a conversion resolution of 1920*1080@60Hz. This utility model adopts an impedance PCB circuit design, which enables the conversion resolution to reach 3840*2160@60Hz. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the insulating sleeve in this utility model;

[0019] Figure 3 This is a top view of the insulating sleeve in this utility model.

[0020] In the diagram: 1. DVI male connector; 2. Insulator; 3. Anti-slip groove; 4. Screw; 5. Nut; 6. HDMI female interface; 7. PCB board; 8. ESD chip. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-3This utility model provides a technical solution: a DVI male connector to HDMI female interface adapter, comprising: an insulator 2, through holes 9 on both sides of the insulator 2, the through holes 9 penetrating the upper and lower end faces of the upper and lower insulator 2, a screw 4 installed in the through holes, a DVI male connector 1 connected to one end of the insulator 2, and an HDMI female interface 6 installed at the other end, a PCB board 7 or signal line also installed inside the insulator 2, the DVI male connector 1 being electrically connected to the PCB board 7 or signal line, the HDMI female interface 6 being electrically connected to the PCB board 7 or signal line, and anti-slip grooves 3 provided on the side surface of the insulator 2 to increase friction when plugging and unplugging the adapter.

[0023] An insulator 2 is fixedly provided with a metal sheet on the end face where the DVI male connector 1 is located. A through hole 9 extends from the side of the insulator 2 into the metal sheet, and a screw 4 is provided in the through hole 9.

[0024] One end of the screw rod 4 is integrally equipped with a screw, and the other end is fixedly connected to a nut 5. The screw can be screwed into the auxiliary fixing screw hole of the host to fix the DVI male connector 1. The nut 5 is used to twist the screw rod 4 with your fingers to tighten the screw and screw hole.

[0025] DVI male connector 1 is the male part that connects to the DVI interface on the host side. DVI male connector 1 has a high transmission rate, supports higher resolution and refresh rate, has high image clarity, and strong anti-interference ability.

[0026] HDMI 6 is a digital video and audio interface technology. It is a dedicated digital interface suitable for image transmission. It can transmit audio and video signals simultaneously, with a maximum data transmission speed of 5Gbps, and does not require digital-to-analog or analog-to-digital conversion before signal transmission.

[0027] The PCB board 7 has a 15KV ESD chip 8. The PCB board 7 adopts a four-layer board structure, which is usually composed of a top signal layer, a middle power layer, a middle GND layer, and a bottom signal layer. This structure helps to reduce electromagnetic interference (EMI) and improve signal integrity, and supports a resolution of 4K@60Hz. The PCB board 7 has anti-detachment bumps to prevent the outer adhesive layer from loosening from the internal structural components.

[0028] ESD chip 8, or electrostatic discharge protection chip, is an integrated circuit specifically designed to protect electronic devices from electrostatic discharge damage. ESD refers to the rapid and spontaneous transfer of electrostatic charge caused by a high electrostatic field. The main function of ESD chip 8 is to quickly guide high voltage to ground or other safe areas when electrostatic discharge occurs, thereby protecting the sensitive circuits inside the chip from damage.

[0029] Working principle: Insert the DVI male connector 1 of the adapter into the DVI female interface of the host, and then screw the screw 4 into the auxiliary fixing screw hole to fix the adapter. It supports DVI-D (24+1) interface and can realize the transmission of high-definition video signals. Since DVI and HDMI are very similar in principle, this adapter can realize signal conversion very well.

[0030] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A DVI male to HDMI female adapter, comprising: An insulator (2) is characterized in that: one end of the insulator (2) is connected to a DVI male connector (1), and the other end is provided with an HDMI female interface (6). A PCB board (7) or a signal line is also provided inside the insulator (2). The DVI male connector (1) is electrically connected to the PCB board (7) or the signal line, and the HDMI female interface (6) is electrically connected to the PCB board (7) or the signal line. The PCB board (7) is equipped with a 15KV ESD chip (8), and the PCB board (7) adopts a four-layer board structure; The ESD chip (8) is an electrostatic discharge protection chip, and the electrostatic discharge protection chip is connected to the ground wire.

2. The DVI male to HDMI female adapter according to claim 1, characterized in that, The insulator (2) has through holes (9) on both sides, which penetrate the upper and lower end faces of the insulator (2). A screw (4) is installed in the through hole. One end of the screw (4) is integrally provided with a screw, and the other end is fixedly connected to a nut (5). The screw is screwed into the auxiliary fixing screw hole of the main unit.

3. A DVI male to HDMI female adapter according to claim 2, characterized in that, The insulator (2) is also provided with anti-slip grooves (3) on its side surface.

4. A DVI male to HDMI female adapter according to claim 3, characterized in that, The insulator (2) is fixedly provided with a metal sheet on the end face where the DVI male connector (1) is located, and the through hole (9) penetrates from the side of the insulator (2) into the metal sheet.

5. A DVI male to HDMI female adapter according to claim 1, characterized in that, The PCB board (7) consists of a top signal layer, a middle power layer, a middle GND layer and a bottom signal layer. The PCB board (7) is provided with anti-derived bumps.

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