Snap-on HDMI cable

Abstract

The application discloses a buckle type HDMI line. The buckle type HDMI line comprises an HDMI male head, a line body, and a DP male head. The HDMI male head comprises an HDMI interface. One end of the line body is connected with the HDMI male head, and the line body comprises a line core, one end of which is connected with the HDMI interface. The DP male head is connected with the other end of the line body, and comprises a buckle assembly and a DP interface, the DP interface being connected with the other end of the line core. The application changes the test equipment end of the traditional HDMI line into the DP male head provided with the buckle assembly, and the television end remains the standard HDMI male head provided with the HDMI interface, so that the mechanical buckle structure of the DP interface is used to realize automatic locking when being inserted into the test equipment, the stability of the connection in the frequent plugging or vibration environment is ensured, the risk of signal interruption and test interruption is reduced, and the efficiency and the automation degree of television production test are improved.

Description

Technical Field

[0001] This application relates to the field of communication transmission technology, and in particular to a snap-on HDMI cable. Background Technology

[0002] In the production and testing phase of television products, video cables are typically used to connect the television to the test signal source equipment. The current mainstream method is to use an HDMI (High Definition Multimedia Interface) cable, with one end connected to the television's HDMI input port and the other end connected to the test equipment's HDMI output port.

[0003] However, this connection method relies entirely on the physical friction between the HDMI male connector on the HDMI cable and the HDMI interface of the test equipment for fixation. When the interface on the test equipment needs to be frequently plugged and unplugged, or when there is continuous vibration in the test environment, this simple friction connection becomes extremely unreliable. The HDMI male connector is easily loosened by external force or vibration, leading to interruption of video or audio signals, causing abnormal test results or interruption of the test process, requiring repeated manual intervention, thus seriously affecting the stability and automation of television product production testing efficiency. Utility Model Content

[0004] The main purpose of this application is to propose a snap-on HDMI cable, which aims to solve the problem that current HDMI cables are prone to coming loose during television testing.

[0005] To achieve the above objectives, this application proposes a snap-on HDMI cable, which includes: HDMI male connector, which includes the HDMI interface; The cable body has one end connected to the HDMI male connector. The cable body includes the wire core, one end of which is connected to the HDMI interface. The DP (DisplayPort) male connector connects to the other end of the cable. The DP male connector includes a snap-fit ​​assembly and a DP interface, which connects to the other end of the cable. Attached Figure Description

[0006] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0007] Figure 1This is a schematic diagram of the structure of one embodiment of the snap-on HDMI cable of this application; Figure 2 This is a schematic diagram of the HDMI interface in the snap-on HDMI cable of this application; Figure 3 This is a schematic diagram of the DP interface in the snap-on HDMI cable of this application.

[0008] Explanation of icon numbers:

[0009] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0010] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0011] It should be noted that if the embodiments of this application involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0012] Furthermore, if the embodiments of this application involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution that simultaneously satisfies A and B. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed in this application.

[0013] Currently, in the production testing phase of television products, video cables are typically used to connect the television to the test signal source equipment. The mainstream method is to use an HDMI cable, with one end connected to the television's HDMI input port and the other end to the test equipment's HDMI output port. However, this connection method relies entirely on the physical friction between the HDMI male connector on the HDMI cable and the HDMI port on the test equipment for fixation. When the test equipment's interface needs frequent plugging and unplugging, or when the testing environment experiences continuous vibration, this simple friction connection becomes extremely unreliable. The HDMI male connector is easily loosened by external force or vibration, leading to video or audio signal interruption, abnormal test results, or test process disruptions, requiring repeated manual intervention. This severely impacts the stability and automation of television product production testing efficiency. Therefore, solving the problem of HDMI cables easily loosening during television testing is a pressing technical issue that needs to be addressed.

[0014] Based on this, this application provides a snap-on HDMI cable, which includes: an HDMI male connector, which includes an HDMI interface; a cable body, one end of which is connected to the HDMI male connector, the cable body including a wire core, one end of which is connected to the HDMI interface; and a DP male connector, which is connected to the other end of the cable body, the DP male connector including a snap-on component and a DP interface, the DP interface being connected to the other end of the wire core.

[0015] This application employs a snap-fit ​​HDMI cable, in which the test device end of a traditional HDMI cable is replaced with a DP male connector equipped with a snap-fit ​​component and a DP interface, while the TV end retains a standard HDMI male connector with an HDMI interface. The two are connected by the cable body, thereby utilizing the mechanical snap-fit ​​structure of the DP interface to achieve automatic locking when inserted into the test device. This effectively overcomes the defect of easy loosening in HDMI connection methods that rely solely on physical friction, ensuring the stability of the connection in environments with frequent plugging and unplugging or vibration, reducing the risk of signal interruption and test interruption, and improving the efficiency and automation of TV production testing.

[0016] This application proposes a snap-on HDMI cable, as shown in the reference. Figure 1 , Figure 1 This is a schematic diagram of a snap-on HDMI cable according to an embodiment of this application. The dashed box on the right represents a partial structural diagram of the DP male connector 30. In this embodiment, the snap-on HDMI cable includes: HDMI male connector 10, which includes an HDMI interface; Cable body 20, one end of cable body 20 is connected to HDMI male connector 10, cable body 20 includes wire core, one end of wire core is connected to HDMI interface; DP male connector 30 is connected to the other end of cable body 20. DP male connector 30 includes a snap-fit ​​assembly and a DP interface, which is connected to the other end of the cable core.

[0017] It should be noted that the HDMI male connector 10 refers to a physical connector that conforms to the High Definition Multimedia Interface standard and is used to plug into the HDMI female port of display devices such as TVs. Its core feature is that it contains an HDMI interface that conforms to the HDMI specification. Its shape and pin definitions follow international standards, ensuring physical and electrical compatibility with the vast majority of TV HDMI input interfaces on the market, and it is the starting point for signal transmission. The HDMI interface is the electrical connection component integrated inside the HDMI male connector 10. This interface can be composed of 19 metal pins arranged according to the HDMI standard specification, that is, a 19-pin HDMI interface. These pins define signal transmission paths such as data channels, clock channels, shielded ground, and plug-and-play detection, and are the physical basis for realizing the electrical connection of high-definition audio and video signals, device control, and status recognition functions.

[0018] The DP male 30 refers to an improved connector that not only includes a DisplayPort-compliant DP interface, but more importantly, it features an independent mechanical locking assembly, such as a spring-loaded push-button or sliding latch. When the DP male 30 is inserted into the DP female port of a test device, the latch automatically or manually engages with the groove or locking hole on the female port, forming a mechanical interlock. This provides a secure connection far exceeding simple friction, effectively resisting vibration and accidental pulling. The DP interface is an electrical connection component integrated within the DP male 30. This interface can consist of 20 metal pins arranged according to the DisplayPort standard, i.e., a 20-pin DP interface. Although its physical pin count and signal definitions differ from the HDMI interface, a specific internal wiring sequence is used to electrically adapt and bridge 19 of its pins to the 19 pins of the HDMI end, ensuring correct conversion and stable transmission between the two different protocol signals. The 20th pin can be left unused according to the design.

[0019] Additionally, it should be noted that the complex wiring sequence for signal conversion between HDMI and DP interfaces may introduce additional impedance, leading to signal reflection, attenuation, and integrity degradation during high-speed digital signal transmission. Therefore, the impedance of the entire snap-on HDMI cable is controlled to be less than or equal to 2.5Ω to avoid signal quality degradation, image flickering or interruption, and test misjudgments caused by impedance mismatch. This ensures the integrity, stability, and reliability of high-speed digital signals during conversion and transmission, thereby guaranteeing the accuracy of television test results.

[0020] Understandably, in current television testing, the HDMI connection method, which relies entirely on friction, is prone to loosening under frequent plugging and unplugging of testing equipment and vibration, leading to signal interruption and severely impacting testing efficiency. Therefore, this application replaces the testing equipment end with a DP male connector 30 with a built-in mechanical locking structure. Its DP interface is electrically connected to the standard HDMI interface on the television end through internal wiring, thereby avoiding technical problems such as plug loosening and signal transmission interruption caused by unreliable physical connections. It achieves mechanical locking through the locking component of the DP interface, significantly enhancing connection stability, effectively resisting external forces and vibrations, ensuring continuous and stable transmission of test signals, and ultimately improving the automation level and testing efficiency of production testing.

[0021] For example, the TV connection end of the snap-on HDMI cable in this embodiment is a 19-pin HDMI interface conforming to the HDMI standard specification. It connects to a DP male connector on the test device through a cable body with a length of 530mm, a wire diameter of less than or equal to 6.2mm, containing 19 independent tinned copper wire cores and completely wrapped with a shielding layer and a PVC (Polyvinyl Chloride) outer sheath. The DP male connector shell is injection molded from ABS engineering plastic and integrates a standard 20-pin DP interface inside. There is an independent mechanical snap-on component on the upper side of the male connector shell. This component consists of an elastic metal piece with a pressing protrusion and a plastic hook that is linked to it. When the male connector is inserted into the DP female port of the test device, the plastic hook can automatically spring into the slot of the female port to achieve mechanical locking. When it needs to be pulled out, the locking is released by pressing the protrusion, thus forming a snap-on HDMI cable with a stable connection that can be frequently plugged and unplugged.

[0022] This embodiment proposes a snap-fit ​​HDMI cable. The test device end of the traditional HDMI cable is replaced with a DP male connector 30 equipped with a snap-fit ​​component and a DP interface, while the TV end retains a standard HDMI male connector 10 equipped with an HDMI interface. The two are connected by a cable body 20. The mechanical snap-fit ​​structure of the DP interface enables automatic locking when inserted into the test device, effectively overcoming the defect of easy loosening of the HDMI connection method that relies solely on physical friction. This ensures the stability of the connection in environments with frequent plugging and unplugging or vibration, reduces the risk of signal interruption and test interruption, and improves the efficiency and automation of TV production testing.

[0023] In one feasible implementation, the HDMI interface includes: The HDMI data transmission channel is connected to the first DP data transmission channel of the DP interface. Clock transmission channel, the clock transmission channel is connected to the second DP data transmission channel of the DP interface; HDMI shielding channel, the HDMI shielding channel is connected to the grounding channel of the DP interface; HDMI Plug and Play Channel connects to the DP interface's ground channel, auxiliary channel, and DP Plug and Play Channel.

[0024] It should be noted that the HDMI data transmission channel refers to the TMDS (Transition Minimized Differential Signaling) channel in the HDMI interface, which is used to transmit high-speed digital audio and video signals. It is usually composed of multiple differential pairs and is the core functional channel for the HDMI interface to achieve high-definition signal transmission.

[0025] The first DP data transmission channel refers to the high-speed differential signal channel in the DP interface used to transmit the main display data. It is responsible for carrying the main audio and video data streams. In this embodiment, it is electrically connected to the TMDS data channel of HDMI to achieve signal conversion.

[0026] The clock transmission channel refers to the dedicated differential channel in the HDMI interface used to transmit the TMDS clock signal synchronized with the data signal. This channel provides a reference clock signal for the receiving device to correctly decode the data stream, ensuring the timing accuracy of data transmission.

[0027] In this embodiment, the second DP data transmission channel refers to the auxiliary differential signal channel in the DP interface that is not occupied by the main data stream. It is allocated to transmit the clock signal from the HDMI end, realizing the bridging of key timing signals between the two protocols.

[0028] The HDMI shielding channel refers to the pin in the HDMI interface designed to connect the internal and external shielding layers. Its main function is to provide electrical grounding and electromagnetic shielding to reduce signal interference and crosstalk, and ensure the integrity of signal transmission.

[0029] The grounding channel of the DP interface refers to the multiple pins in the DP interface that provide an electrical grounding reference point and shielding function. It is connected to the HDMI shielding channel to establish a unified, low-noise grounding barrier for the entire cable system, thus jointly ensuring signal quality.

[0030] The HDMI Plug and Play Channel refers to the set of control and status pins in the HDMI interface used to implement functions such as Hot-Plug Detection (HDP), Ethernet Channel (HECData), and Consumer Electronics Control Channel (CEC). This channel is responsible for dynamic detection of device connections, identification, and transmission of low-level control commands.

[0031] The auxiliary channel of the DP interface refers to the auxiliary channel (AUX_CH) pin in the DP interface. It is a bidirectional, half-duplex serial data channel used to transmit link management and device control data. In this embodiment, it is used to adapt to and support the communication required for HDMI plug-and-play functionality.

[0032] The DP Plug and Play channel is a dedicated pin in the DP interface used for hot plug detection, connector power return (DP_PWRReturn), connector power (DP_PER), etc. Its function is similar to HDMI's plug and play detection, and it is used to actively notify the signal source device of the connection status change of the receiving device. In this embodiment, it works in conjunction with the corresponding function of HDMI.

[0033] Understandably, due to the complex electrical signal mapping between the two different standard interfaces (i.e., HDMI and DP interfaces), direct connection may lead to signal mismatch, functional failure, or unstable transmission. Therefore, this implementation precisely defines the specific connection relationship between each functional channel of HDMI (such as data transmission, clock, shielding, and plug-and-play) and the corresponding channels of the DP interface (such as the first / second DP data channel, ground channel, auxiliary channel, and DP plug-and-play channel) at the interface level. This avoids problems such as signal transmission errors, increased electromagnetic interference, device recognition failure, and abnormal hot-plugging function caused by differences in protocols and pin definitions. This ensures the correct, reliable, and low-interference conversion and transmission of electrical signals between the two interface protocols, ultimately guaranteeing the functional integrity and signal stability of the entire snap-on HDMI cable in television testing.

[0034] For example, in the cable body of the snap-on HDMI cable in this embodiment, 19 independent copper wire cores are used as the connection medium. Among them, each signal line of the HDMI data transmission channel is symmetrically connected to the corresponding differential signal line of the first DP data transmission channel through three pairs of differential wires. The clock transmission channel is impedance matched to the auxiliary differential wire pair of the second DP data transmission channel through a pair of high-precision differential wires. All grounding pins of the HDMI shielded channel are low-impedance connected to the corresponding grounding pin of the grounding channel through multiple parallel copper wire cores. Each functional pin of the HDMI plug-and-play channel is electrically connected to the corresponding pin of the grounding channel, the configuration pin of the auxiliary channel, and the detection pin of the DP plug-and-play channel through group wiring and point-to-point soldering. All connection points are shielded and isolated, thus realizing a stable and reliable connection relationship between each functional channel at the physical level.

[0035] As an example, the first DP data transmission channel includes a first DP pin, a third DP pin, a fourth DP pin, a sixth DP pin, a seventh DP pin, and a ninth DP pin; the HDMI data transmission channel includes: The first HDMI pin is connected to the first DP pin. The third HDMI pin is connected to the third DP pin. The fourth HDMI pin is connected to the fourth DP pin. The sixth HDMI pin is connected to the sixth DP pin; The seventh HDMI pin is connected to the seventh DP pin. The ninth HDMI pin is connected to the ninth DP pin.

[0036] The second DP data transmission channel includes the tenth DP pin and the twelfth DP pin, and the clock transmission channel includes: The tenth HDMI pin is connected to the tenth DP pin. The 12th HDMI pin is connected to the 12th DP pin.

[0037] The grounding channels include the second DP pin, the fifth DP pin, the eighth DP pin, and the eleventh DP pin. The HDMI shielding channels include: The second HDMI pin is connected to the second DP pin. The fifth HDMI pin is connected to the fifth DP pin; The eighth HDMI pin is connected to the eighth DP pin; The eleventh HDMI pin is connected to the eleventh DP pin.

[0038] The grounding channels of the DP interface also include the 13th DP pin, the 14th DP pin, and the 16th DP pin; the auxiliary channels include the 15th DP pin and the 17th DP pin; and the DP plug-and-play channels include the 18th DP pin, the 19th DP pin, and the 20th DP pin. HDMI plug-and-play channels include: The thirteenth HDMI pin is connected to the thirteenth DP pin. The fourteenth HDMI pin is connected to the fourteenth DP pin; The fifteenth HDMI pin is connected to the fifteenth DP pin; The sixteenth HDMI pin is connected to the sixteenth DP pin; The seventeenth HDMI pin is connected to the seventeenth DP pin; The 18th HDMI pin is connected to the 18th DP pin; The nineteenth HDMI pin is connected to the nineteenth DP pin.

[0039] The 20th DP pin of the DP interface is unused.

[0040] To help understand the specific configuration of this example, please refer to Tables 1 and 2 below:

[0041] Table 1 It should be noted that you can also refer to Figure 2 In the table above, Table 1 and Figure 2 The HDMI pins are numbered 1 to 19, which correspond one-to-one with the first HDMI pin to the nineteenth HDMI pin.

[0042]

[0043] Table 2 It should be noted that you can also refer to Figure 2 In the table above, Table 2 and Figure 3 The DP pins are numbered 1 to 20, which correspond one-to-one with the first DP pin to the twentieth DP pin.

[0044] Understandably, defining the connection between HDMI and DP interfaces solely at the macro level of functional channels without specifying concrete physical pin correspondences poses a significant risk in engineering practice, leading to signal short circuits, data transmission errors, impedance mismatches, and functional failures due to pin definition mismatches. Therefore, this example precisely defines the one-to-one electrical connection between the 19 pins of the HDMI interface and the first 19 pins of the DP interface. This avoids issues such as signal integrity corruption, electromagnetic compatibility problems, hot-plug detection failures, and device inability to recognize pins caused by differences in protocol standards and pin functions. It achieves seamless, accurate, and reliable adaptation of the two different standard interfaces at the physical and electrical layers, ensuring extremely low loss, noise, and bit error rate of high-speed audio and video signals and data control signals during protocol conversion. Ultimately, it guarantees the functional integrity and transmission stability of the entire snap-on HDMI cable under harsh testing environments.

[0045] First, for the connection of the data transmission channels, as shown in Tables 1 and 2, the TMDS data channels of the HDMI interface (RX2+, RX2-, RX1+, RX1-, RX0+, RX0- correspond to pins 1, 3, 4, 6, 7, and 9 respectively) and the Main Link channels of the DP interface (ML_Lane 0(p), ML_Lane 0(n), ML_Lane 1(p), ML_Lane 1(n), ML_Lane 2(p), ML_Lane 2(n) correspond to pins 1, 3, 4, 6, 7, and 9 respectively) are connected one-to-one through three pairs of differential lines.

[0046] Secondly, for the clock and shielding channels, the TMDS clock channels of HDMI (CLOCK+, CLOCK- corresponding pins 10 and 12) are connected to the ML_Lane 3(p) and ML_Lane 3(n) (pins 10 and 12) of the DP interface through a pair of shielded differential lines. At the same time, all shielding ground pins of HDMI (pins 2, 5, 8, 11) are electrically connected to the corresponding ground pins of the DP interface (pins 2, 5, 8, 11) using a low-impedance connection method. Each grounding connection point adopts a star topology structure to converge to the common grounding layer of the main cable.

[0047] Finally, for the plug-and-play function channel, connect the HDMI CEC (pin 13), HEC Data+ (pin 14), SCL (pin 15), SDA (pin 16), HEC Ground (pin 17), 5V (pin 18), and HDP (pin 19) to the DP interface's GND (pin 13), GND (pin 14), AUX_CH(p) (pin 15), GND (pin 16), AUX_CH(n) (pin 17), HotPlug (pin 18), and DP_PWR Return (pin 19) respectively. The HDP hot-plug detection signal is directly connected to the DP's HotPlug pin, and the 5V power supply pin is connected to DP_PWR Return. Meanwhile, leave the DP interface's pin 20 (DP_PWR) unused.

[0048] In one possible implementation, the wire body 20 further includes a shielding layer covering the wire core.

[0049] It should be noted that the shielding layer refers to the protective layer wrapped around the copper wire core, which is made of conductive materials such as metal wire braided mesh or conductive film. It forms a continuous Faraday cage-like enclosure structure through electrical grounding (usually connected to the shielding or grounding pins of the HDMI and DP interfaces). This effectively blocks external electromagnetic interference and radio frequency interference from entering the internal wire core, while preventing the electromagnetic energy generated during high-speed signal transmission from radiating outward and causing interference. It also serves as a mechanical protective layer to enhance the tensile strength and durability of the wire body 20, thereby ensuring the integrity and stability of the signal during transmission.

[0050] It should also be noted that the wire core in this embodiment can be a copper wire core, and the high conductivity of the copper wire core ensures low-loss signal transmission.

[0051] Understandably, since snap-on HDMI cables require frequent bending and movement during testing, and the testing environment is subject to complex electromagnetic interference, there is a risk that the internal core of the cable body 20 may break due to repeated bending, and that external interference may cause a decrease in signal quality. Therefore, in this embodiment, the cable body 20 is composed of the core and a shielding layer covering the core. The shielding layer can effectively block external electromagnetic interference and prevent internal signal leakage, thereby avoiding signal interruption caused by physical fatigue damage to the cable body 20, as well as test signal distortion or abnormality caused by electromagnetic interference. This significantly enhances the cable's mechanical durability and anti-interference ability, as well as the stability of signal transmission, fundamentally ensuring the continuity and reliability of the television testing process.

[0052] For example, the wire body is composed of multiple copper wire cores, each wire core is covered with an insulation layer, the wire core bundle is wrapped with an aluminum foil Mylar shielding layer, and a metal braided mesh is woven outside the aluminum foil layer as a second shielding layer; the outermost layer is made of thermoplastic polyurethane elastomer material as an outer sheath, thereby the material has the characteristics of resisting repeated bending deformation, and the whole form a wire body structure with double-layer shielding protection and bending resistance.

[0053] In one feasible implementation, both the HDMI male connector 10 and the DP male connector 30 are equipped with U-shaped metal stress relief reinforcements at the connection points with the cable body 20. For any one of the U-shaped metal stress relief reinforcements, the two ends of the U-shaped metal stress relief reinforcement are clamped and connected to the HDMI interface or the DP interface, and the middle section of the U-shaped metal stress relief reinforcement is connected to the cable body 20.

[0054] It should be noted that the U-shaped metal stress relief reinforcement refers to a U-shaped clamp-like structural component made of a metal material with good mechanical strength (such as stainless steel) by stamping or casting. It can be called a "horseshoe". The open end of the U-shape tightly clamps and fixes to the tail end of the interface shell of the HDMI male connector 10 or DP male connector 30. The bottom of the U-shape (i.e. the middle section of the U-shaped metal stress relief reinforcement) is firmly covered and connected to the outer sheath of the cable body 20. Through its rigid structure, it effectively disperses and eliminates the external mechanical stress such as bending, pulling and torsion at the connection between the interface and the cable body 20, preventing stress concentration at the welding point between the interface and the wire core. This greatly reduces the risk of internal wire core breakage or poor soldering due to frequent plugging and unplugging or cable bending, and significantly improves the mechanical durability and reliability of the connector.

[0055] Understandably, since snap-on HDMI cables are frequently subjected to plugging, unplugging, bending, and pulling during testing, the connection between the male connector and the cable body 20 becomes the weakest point where mechanical stress is most concentrated, posing a risk of breakage or loosening of the solder joints of the 19 internal wire cores. Therefore, this embodiment is equipped with a U-shaped metal stress-relieving reinforcement at the connection between the HDMI male connector 10 and the DP male connector 30 and the cable body 20. This reinforcement uses its U-shaped ends to strongly clamp the interface shell, and its middle section is firmly connected to the cable body 20, thereby transferring and dispersing the externally applied tensile and bending stress from the fragile solder joints to its own robust metal structure. This avoids problems such as internal circuit breakage, signal transmission failure, and structural damage to the connector caused by stress concentration, thus ensuring that the cable can withstand greater tensile strength, guaranteeing long-term stable connection of all 19 signal paths, and significantly improving the product's mechanical life and reliability.

[0056] For example, the U-shaped metal stress-relieving reinforcement is made of stainless steel sheet with a thickness of 0.2mm through a stamping process. The two inner sidewalls of the U-shaped opening are provided with evenly distributed anti-slip serrations. The two ends are clamped tightly by a special clamp and wrapped in the groove at the end of the metal shell of the HDMI or DP interface. The middle section of the bottom of the U-shape is bonded and fixed to the outer sheath of the cable body 20 with high-strength epoxy resin adhesive. Finally, a flexible PVC sheath is wrapped around the outside by injection molding, so that the reinforcement, interface and cable body 20 are integrated. After this treatment, the connection point can withstand a static tensile force test of more than 10KG without loosening or damage, effectively ensuring the long-term reliable connection of the 19 internal core welding points.

[0057] The above are merely exemplary embodiments of this application and do not limit the patent scope of this application. Any equivalent structural transformations made based on the technical concept of this application and the contents of the specification and drawings of this application, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this application.

Claims

1. A snap-on HDMI cable, characterized in that, The snap-on HDMI cable includes: HDMI male connector, wherein the HDMI male connector includes an HDMI interface; A cable body, one end of which is connected to the HDMI male connector, the cable body including a wire core, one end of which is connected to the HDMI interface; A DP male connector is connected to the other end of the cable. The DP male connector includes a snap-fit ​​assembly and a DP interface, which is connected to the other end of the cable core.

2. The snap-on HDMI cable as described in claim 1, characterized in that, The HDMI interface includes: An HDMI data transmission channel, wherein the HDMI data transmission channel is connected to the first DP data transmission channel of the DP interface; A clock transmission channel, wherein the clock transmission channel is connected to the second DP data transmission channel of the DP interface; An HDMI shielding channel is provided, which is connected to the grounding channel of the DP interface. An HDMI Plug and Play channel is provided, which is connected to the ground channel, auxiliary channel, and DP Plug and Play channel of the DP interface.

3. The snap-on HDMI cable as described in claim 2, characterized in that, The HDMI interface is a 19-pin HDMI interface, and the DP interface is a 20-pin DP interface.

4. The snap-on HDMI cable as described in claim 3, characterized in that, The first DP data transmission channel includes a first DP pin, a third DP pin, a fourth DP pin, a sixth DP pin, a seventh DP pin, and a ninth DP pin. The HDMI data transmission channel includes: The first HDMI pin is connected to the first DP pin. The third HDMI pin is connected to the third DP pin; The fourth HDMI pin is connected to the fourth DP pin; The sixth HDMI pin is connected to the sixth DP pin; The seventh HDMI pin is connected to the seventh DP pin; The ninth HDMI pin is connected to the ninth DP pin.

5. The snap-on HDMI cable as described in claim 3, characterized in that, The second DP data transmission channel includes a tenth DP pin and a twelfth DP pin, and the clock transmission channel includes: The tenth HDMI pin is connected to the tenth DP pin. The twelfth HDMI pin is connected to the twelfth DP pin.

6. The snap-on HDMI cable as described in claim 3, characterized in that, The grounding channel includes the second DP pin, the fifth DP pin, the eighth DP pin, and the eleventh DP pin; the HDMI shielding channel includes: The second HDMI pin is connected to the second DP pin. The fifth HDMI pin is connected to the fifth DP pin; The eighth HDMI pin is connected to the eighth DP pin; The eleventh HDMI pin is connected to the eleventh DP pin.

7. The snap-on HDMI cable as described in claim 3, characterized in that, The grounding channel of the DP interface also includes the thirteenth DP pin, the fourteenth DP pin and the sixteenth DP pin; the auxiliary channel includes the fifteenth DP pin and the seventeenth DP pin; and the DP plug-and-play channel includes the eighteenth DP pin, the nineteenth DP pin and the twentieth DP pin. The HDMI plug-and-play channel includes: The thirteenth HDMI pin is connected to the thirteenth DP pin; The fourteenth HDMI pin is connected to the fourteenth DP pin; The fifteenth HDMI pin is connected to the fifteenth DP pin; The sixteenth HDMI pin is connected to the sixteenth DP pin; The seventeenth HDMI pin is connected to the seventeenth DP pin; The eighteenth HDMI pin is connected to the eighteenth DP pin; The nineteenth HDMI pin is connected to the nineteenth DP pin.

8. The snap-on HDMI cable as described in claim 3, characterized in that, The twentieth DP pin of the DP interface is unused.

9. The snap-on HDMI cable as described in claim 1, characterized in that, The wire body also includes a shielding layer covering the wire core.

10. The snap-on HDMI cable as described in claim 1, characterized in that, Both the HDMI male connector and the DP male connector are equipped with U-shaped metal stress relief reinforcements at their connection points with the cable body. For any one of the U-shaped metal stress relief reinforcements, both ends of the U-shaped metal stress relief reinforcement are clamped and connected to the HDMI interface or the DP interface, and the middle section of the U-shaped metal stress relief reinforcement is connected to the cable body.

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