Audio and video transmission device

Abstract

The utility model provides an audio and video transmission device, comprising a first transmission port used for transmitting signals; one end of the transmission cable is electrically connected with the first transmission port; the second transmission port is electrically connected with the other end of the transmission cable, and the second transmission port is different from the first transmission port; the circuit board is arranged in the first transmission port and is electrically connected with the transmission cable; and the conversion chip is arranged on the circuit board and is electrically connected with the circuit board. According to the utility model, through close cooperation of the first transmission port, the transmission cable, the second transmission port, the circuit board and the conversion chip, high integration is achieved, the overall size is effectively reduced, the material cost is greatly reduced, the failure rate of equipment is significantly reduced, and the stability and reliability of products are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a signal conversion cable structure, especially an audio and video transmission device capable of supporting 8K resolution signal conversion. BACKGROUND

[0002] In the field of digital signal transmission, signal conversion cable is an important connection accessory used to solve the problem of signal transmission between different interface devices.

[0003] In terms of application scenarios, it is convenient to connect a computer to a living room high-definition TV, project video and game pictures in the computer to a large screen, and enjoy more shocking visual experience; it can also be used for connecting a projector to build a home theater.

[0004] In office demonstrations, in a conference room, a notebook computer, a graphics card or other audio and video output devices can be connected to a projector or a large screen display with an HDMI interface through a conversion cable, facilitating conference demonstrations and data sharing.

[0005] In terms of design and creation, professional designers and filmmakers can connect professional graphic workstations to high-resolution displays to ensure accurate presentation of design and editing pictures.

[0006] At present, the popularization degree of signal conversion cables supporting 8K resolution in the market is relatively low, and the price is generally higher than that of ordinary 4K cables. This is mainly due to high technical difficulty and high production cost. However, with the gradual increase of market demand for 8K display devices, major cable manufacturers are also increasing research and development investment, and more cost-effective 8K signal conversion cable products are expected to be launched in the future.

[0007] Therefore, how to provide an audio and video transmission device to solve the above problems has become the subject of improvement of the utility model. UTILITY MODEL CONTENT

[0008] The utility model aims to provide an audio and video transmission device capable of supporting 8K resolution signal conversion and extending longer size.

[0009] To solve the above problems and achieve the purpose of the utility model, the technical means of the utility model is as follows: an audio and video transmission device, comprising: a first transmission port for transmitting signals; a transmission cable having one end electrically connected to the first transmission port; a second transmission port electrically connected to the other end of the transmission cable, the second transmission port being different from the first transmission port; a circuit board arranged in the first transmission port and electrically connected to the transmission cable; and a conversion chip arranged on the circuit board and electrically connected to the circuit board.

[0010] Further, the conversion chip is a DisplayPort signal conversion HDMI signal chip or a USB Type-C signal conversion HDMI signal chip.

[0011] Further, the first transmission port is a DisplayPort port or a USB Type-C port; and the second transmission port is also an HDMI port.

[0012] Further, the transmission cable is one of 26AWG pure copper twisted pair and line (special parallel line structure design) reinforced audio and video signal wire, 30AWG 8K60 high-definition audio and video signal wire, and 28AWG 8K60 high-definition audio and video signal wire.

[0013] Further, the DisplayPort port, the USB Type-C port and the HDMI port all support 8K resolution / 60Hz refresh rate.

[0014] Compared with the prior art, the effects of the utility model are as follows:

[0015] First, in the precise structure of modern electronic equipment, the first transmission port, the transmission cable, the second transmission port, the circuit board and the conversion chip closely cooperate to achieve a high degree of integration. These key components cooperate with each other, and through optimized layout and precise design, the parts are closely linked to realize the high miniaturization of the overall structure. This not only effectively reduces the overall volume, but also greatly reduces the material cost. At the same time, the simplified structure reduces the potential failure points, thereby significantly reducing the failure rate of the equipment, improving the stability and reliability of the product, and meeting the current development trend of electronic products light and thin, both ends of the product being male connectors, simple application (plug and play, reducing conversion), and high performance.

[0016] Second, in the connection application of digital equipment, the adaptability of the transmission port directly affects the user experience. Through flexible change of the first transmission port, various combinations can be realized. Both the DisplayPort port can be matched with the HDMI port of the second transmission port, and the USB Type-C port can be matched with the HDMI port. These different options fully consider the diversified needs of consumers, whether it is office screen projection or home audio and video entertainment, it can be easily adapted to perfectly meet the application needs of the industry.

[0017] Thirdly, in modern electronic device connection, the conversion of transmission signal is very important. When the first transmission port changes, the conversion chip can be flexibly matched. For example, from DisplayPort signal to HDMI signal, or from USB Type-C signal to HDMI signal. Different conversion requirements adapt to different professional conversion chips, which accurately fit various application scenarios, whether it is office equipment connection or home entertainment device interconnection, which can meet the diversified interface conversion requirements. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a three-dimensional schematic view of the embodiment one of the utility model.

[0019] Fig. 2 It is a three-dimensional schematic view of the embodiment two of the utility model.

[0020] The figure is indicated as follows:

[0021] 1 first transmission port

[0022] 2 transmission cable

[0023] 3 second transmission port

[0024] 4 circuit board

[0025] 5 conversion chip DETAILED DESCRIPTION

[0026] In order to further understand the features, technical means and specific purposes and functions reached by the utility model, the utility model is further described in detail below in combination with the drawings and specific embodiments.

[0027] As shown in Figs. 1-2 The figure discloses an audio and video transmission device, which comprises: a first transmission port 1 for transmitting signal; a transmission cable 2, one end of which is electrically connected with the first transmission port 1; a second transmission port 3, which is electrically connected with the other end of the transmission cable 2, and the second transmission port 3 is different from the first transmission port 1; a circuit board 4, which is arranged in the first transmission port 1 and is electrically connected with the transmission cable 2; and a conversion chip 5, which is arranged on the circuit board 4 and is electrically connected with the circuit board 4.

[0028] Wherein, through the cooperation of the first transmission port 1, the transmission cable 2, the second transmission port 3, the circuit board 4 and the conversion chip 5, the conversion chip 5 is designed in a patent micro type on a circuit board 4 with the first transmission port 1 (PCBA), so that one end of the circuit board can be directly welded with the first transmission port 1, and the other end of the circuit board can be directly welded with the transmission cable 2, and the circuit board 4 with the welded joints and the cable at both ends can be installed into the shell of the first transmission port 1.

[0029] Secondly, through the unique design of innovative structure layout and material optimization, the overall structure is highly miniaturized, and various components are closely connected to achieve higher integration. The complicated and unnecessary redundant structure is removed, which not only effectively reduces the overall volume, but also greatly reduces the material cost. At the same time, the simplified structure greatly reduces the failure points, thereby significantly reducing the failure rate.

[0030] In the above, the conversion chip 5 is a DisplayPort signal conversion HDMI signal chip or a USB Type-C signal conversion HDMI signal chip.

[0031] Wherein, through different conversion chips 5, embodiments one and two of the utility model are realized, the DisplayPort signal conversion HDMI signal chip is applied in the embodiment one, and the USB Type-C signal conversion HDMI signal chip is applied in the embodiment two, different application embodiments of the utility model are realized by using different conversion chips 5, and the production cost is reduced.

[0032] As shown in Fig. 1 and Fig. 2 The first transmission port 1 is a DisplayPort port or a USB Type-C port, and the second transmission port 3 is also an HDMI port.

[0033] Wherein, the difference between the embodiment one and the embodiment two of the utility model lies in the difference of the first transmission port 1, the DisplayPort port can be matched with the second transmission port 3 which is an HDMI port, or the USB Type-C port can be matched with the second transmission port 3 which is an HDMI port, so as to meet the application requirements of the industry and facilitate consumers to select and use.

[0034] In the above, the transmission cable 2 is also one of 26AWG pure copper twisted pair and reinforced audio signal wire, 30AWG 8K60 high-definition audio signal wire and 28AWG 8K60 high-definition audio signal wire.

[0035] Among them, 26AWG pure copper twisted and parallel wire reinforced video signal wire is a high-quality signal transmission line, referring to the utility model patent CN220357858U, which can be extended to 30 feet (feet), and all 8K video display pieces (video interface card) on the market can be extended to 8K HDMI display screen (Display / TV).

[0036] The following will be introduced from the dimensions of its specification meaning, performance characteristics, application scenarios, etc.:

[0037] The specification meaning is 26AWG: refers to the wire gauge (American Wire Gauge) standard under the core thickness specification. The wire core diameter of 26AWG is relatively thin, which has certain characteristics and application range in signal transmission, and its cross-sectional area is about 0.12 square millimeters.

[0038] Pure copper: indicates that the core material is pure copper. Pure copper has good electrical conductivity and thermal conductivity, which can effectively reduce the resistance in the signal transmission process, reduce signal attenuation, and ensure the quality and stability of signal transmission.

[0039] Twisted and parallel wire: refers to two high-frequency insulated wires twisted together according to a certain pitch, and then multiple pairs of twisted wires are parallel processed. This structure can reduce the inter-wire capacitance and electromagnetic interference, and improve the anti-interference ability of signal transmission.

[0040] Reinforced: usually means that the wire is strengthened or optimized in some aspects, such as adding a shielding layer, increasing tensile strength, etc., to better adapt to complex use environment and meet the high demand of signal transmission.

[0041] Performance characteristics are good electrical conductivity: the pure copper core of the wire makes the wire have low resistance, which can efficiently transmit audio and video signals, reduce signal loss in the transmission process, ensure signal integrity and accuracy, and provide clear and stable video and audio effects.

[0042] Strong anti-interference ability: the structure of twisted and parallel wire and the possible reinforced shielding layer can effectively resist external electromagnetic interference, such as interference from other electronic devices, power lines, etc., while also preventing crosstalk between the twisted wires inside the wire, ensuring the purity of the video and audio signals.

[0043] Stable signal transmission: the wire gauge of 26AWG and the carefully designed twisted and parallel wire structure make the wire maintain stable electrical performance when transmitting signals, and are not easily affected by external factors to cause signal fluctuation, distortion, etc., suitable for long-distance transmission of video and audio signals.

[0044] Better flexibility: 26AWG pure copper twisted pair and wire is relatively thin, plus the characteristics of pure copper material, so that the wire has good flexibility, convenient wiring and installation in different environments, can adapt to various bending and turning conditions, convenient for users to use.

[0045] Secondly, the application of 30AWG 8K60 high-definition video signal wire and 28AWG 8K60 high-definition video signal wire can increase the types of products, providing consumers with more application options.

[0046] As shown in Fig. 1 and Fig. 2 , the DisplayPort port, the USB Type-C port and the HDMI port all support 8K resolution / 60Hz refresh rate.

[0047] Among them, all support 8K resolution / 60Hz refresh rate, the advantages can be explained from the visual experience, compatibility, applicable scene and so on.

[0048] Excellent visual experience: can present detailed and realistic super high-definition picture, smooth 60Hz refresh rate makes dynamic picture no lag, no ghosting, whether it is to watch 8K movie blockbuster, or to carry on the high frame rate game, can bring immersive visual enjoyment of being in the scene.

[0049] Wide compatibility: covers DisplayPort, USB Type-C, HDMI three common and widely used port types, can easily adapt to various display devices, such as computer display, TV, projector, etc., meet the connection needs of different users in different scenes, improve the versatility of equipment.

[0050] Strong adaptability in the future: with the gradual enrichment of 8K content ecology, the port supporting 8K resolution / 60Hz refresh rate makes the equipment keep up with the trend of technology development for a long time in the future, without frequent replacement of hardware, with good foresight and durability, reduces the cost of equipment update.

[0051] Efficient data transmission: stable work under such high resolution and refresh rate means that the port has strong data transmission capacity, can quickly transmit massive image data, guarantee signal stability, provide strong support for multi-task processing, high-definition video editing and other high data transmission requirements.

[0052] Although the content of the present application has been described in detail above with the above-described embodiments as examples, the present application is not limited to only these embodiments. Those skilled in the art should understand and appreciate that various changes and modifications can be made without departing from the spirit and scope of the present application. For example, the technical contents illustrated in the above-described embodiments can be combined or changed to become new embodiments. Such embodiments are certainly considered to be within the scope of the present application, and the scope of the present application includes the scope of the following patent application and the scope defined thereby.

Claims

1. An audio / video transmission apparatus, characterized by comprising: The application relates to a signal transmission device, comprising: a first transmission port (1) for transmitting signals; a transmission cable (2) with one end electrically connected to the first transmission port (1); a second transmission port (3) electrically connected to the other end of the transmission cable (2), wherein the second transmission port (3) is different from the first transmission port (1); a circuit board (4) arranged in the first transmission port (1) and electrically connected to the transmission cable (2); and a conversion chip (5) arranged on the circuit board (4) and electrically connected to the circuit board (4).

2. The audio-video transmission apparatus of claim 1, wherein, The conversion chip (5) is a DisplayPort signal conversion HDMI signal chip or a USB Type-C signal conversion HDMI signal chip.

3. The audio-video transmission apparatus of claim 2, wherein, The first transmission port (1) is a DisplayPort port or a USB Type-C port. The second transmission port (3) is an HDMI port.

4. The audio-video transmission apparatus of claim 3, wherein, The transmission cable (2) is one of 26AWG pure copper twisted pair and reinforced audio and video signal wire, 30AWG 8K60 high-definition audio and video signal wire and 28AWG 8K60 high-definition audio and video signal wire.

5. The audio-video transmission apparatus of claim 4, wherein, The DisplayPort port, the USB Type-C port and the HDMI port all support 8K resolution / 60Hz refresh rate.

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