Cable connector and connector assembly
By designing a cable connector with a shielded housing and connection terminals, the problem of poor grounding and shielding of the cable connector is solved, effective shielding and grounding of the signal is achieved, and the accuracy and completeness of the signal is improved.
Patent Information
- Application Number
- CN202311023375.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-08-14
- Publication Date
- 2025-02-21
AI Technical Summary
The current cable connector has poor grounding and shielding effects, resulting in interference and crosstalk problems in signal transmission.
A cable connector is designed, adopting a shielded housing and a connecting terminal structure. The shielded housing has a shielding cavity. The connection terminal is arranged in the shielding cavity and is insulated from the shielding housing. It is used for core wire and shielding structure from the cable. Electrical connection to achieve effective shielding and grounding of signals.
Through this design, the reliable grounding of the cable is achieved and the signal shielding effect is improved, the interference of the induction signal on the core transmission signal is reduced, and the accuracy and completeness of the signal is ensured.
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Figure CN119495964A_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the field of communication technology, and specifically relates to a cable connector and a connector assembly. Background Art
[0002] With the increasing demand for high-speed and large-capacity transmission equipment, the signal rate of high-speed products continues to increase. The increase in signal rate has brought huge challenges to the design of high-speed links. Since the unit length loss of high-speed cables is lower than that of PCBs and the bandwidth is higher, high-speed cables have begun to gradually replace PCBs, and high-speed cable connectors have gradually become key components of signal transmission systems.
[0003] High-speed cables can be divided into cables with ground wires and cables without ground wires. In high-speed product applications, internal cables are increasingly placed close to the chip, or directly integrated on the chip package, so as to minimize the length of the PCB line and reduce system losses, which brings strict requirements on the size of the cable. Cables without ground wires have certain advantages when used as internal cables of the system because of their smaller size and lighter weight; cables with ground wires are used for external cables of the system.
[0004] However, some current cable connectors have poor grounding and shielding effects. Summary of the invention
[0005] The purpose of the embodiments of the present application is to provide a cable connector and a connector assembly, which can at least solve the problems of poor grounding and shielding effects of current cable connectors.
[0006] In order to solve the above technical problems, this application is implemented as follows:
[0007] An embodiment of the present application provides a cable connector for connecting to a cable, the cable connector comprising: a shielding shell and a connecting terminal;
[0008] The shielding shell has a shielding cavity, the connecting terminal is arranged in the shielding cavity and is insulated from the shielding shell, and the connecting terminal is used to be electrically connected to the core wire of the cable;
[0009] The shielding shell is used to be electrically connected to a shielding structure of the cable and arranged outside the core wire.
[0010] The embodiment of the present application also provides a connector assembly, including a housing and a plurality of the above-mentioned cable connectors;
[0011] A plurality of installation channels are arranged in the shell, and the cable connector is passed through each of the installation channels.
[0012] In an embodiment of the present application, the connecting terminal can be electrically connected to the core wire of the cable to facilitate signal transmission; the shielding shell can be connected to the shielding structure of the cable to facilitate the transmission of the induced signal to the shielding shell through the shielding structure during the signal transmission process of the core wire, thereby grounding through the shielding shell, thereby achieving reliable grounding of the cable, so as to reduce the interference of the induced signal on the transmission signal in the core wire and ensure the accuracy of the transmission signal in the core wire; in addition, the connecting terminal and the cable can be wrapped in shielding through the shielding cavity of the shielding shell, which greatly improves the signal shielding effect, thereby effectively isolating adjacent signal differential pairs, thereby reducing crosstalk between signals and improving signal integrity. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 A schematic diagram of the structure of a connector assembly and a cable disclosed in an embodiment of the present application;
[0014] Figure 2 A schematic diagram of the structure of a cable with a ground wire and a cable connector disclosed in an embodiment of the present application;
[0015] Figure 3 A partial schematic diagram of a cable with a ground wire and a cable connector disclosed in an embodiment of the present application;
[0016] Figure 4 A schematic diagram of the structure of a cable without a ground wire and a cable connector disclosed in an embodiment of the present application;
[0017] Figure 5 A partial schematic diagram of a cable without a ground wire and a cable connector disclosed in an embodiment of the present application;
[0018] Figure 6 A schematic diagram of the structure of a shielding connector disclosed in an embodiment of the present application;
[0019] Figure 7 A side view of the cable connector disclosed in an embodiment of the present application along a first direction;
[0020] Figure 8 This is a schematic diagram of the structure of the housing disclosed in the embodiment of the present application;
[0021] Fig. 9 A schematic diagram of a structure in which both ends of a cable disclosed in an embodiment of the present application are respectively connected to cable connectors;
[0022] Fig.10 This is a schematic diagram of the structure in which shielding shells are respectively connected to both ends of the cable disclosed in the embodiment of the present application.
[0023] Description of reference numerals:
[0024] 100-cable connector;
[0025] 110-shielding shell; 111-shell body; 1111-first side plate; 1112-second side plate; 1113-connecting plate; 1114-connecting part; 112-cover body;
[0026] 120-connection terminal;
[0027] 130-shielding connector; 131-sleeve connection portion; 1311-serrated structure; 132-clamping portion;
[0028] 140-elastic contact terminal;
[0029] 150 - insulator; 151 - first insulating structure; 152 - second insulating structure;
[0030] 200-cable; 210-core wire; 220-ground wire; 230-shielding layer;
[0031] 300-housing; 310-installation channel;
[0032] 400 - Elastic conductive layer. DETAILED DESCRIPTION
[0033] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0034] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.
[0035] The embodiments of the present application are described in detail below through specific embodiments and their application scenarios in conjunction with the accompanying drawings.
[0036] refer to Figures 1 to 10The embodiment of the present application discloses a cable connector 100, which is used to connect with a cable 200 to facilitate signal transmission and reliable grounding. The cable 200 may be a cable 200 without a ground wire 220, or a cable 200 with a ground wire 220. The cable 200 may include a core wire 210 and a shielding structure, wherein the core wire 210 is used to transmit signals, and the shielding structure is used to transmit the induced signal (such as induced current, etc.) generated during the signal transmission process of the core wire 210 to achieve grounding, thereby reducing the interference of the induced signal on the signal transmitted in the core wire 210. The shielding structure may include a ground wire 220 or a shielding layer 230. For example, when the cable 200 is a cable 200 with a ground wire 220, the shielding structure may include the ground wire 220, and when the cable 200 is a cable 200 without a ground wire 220, the shielding structure may include a shielding layer 230. In this way, the induced signal can be transmitted through the ground wire 220 or the shielding layer 230, respectively, so as to facilitate grounding. In addition, the cable 200 may further include an insulating layer and a differential inner conductor, etc. The differential inner conductor is located in the insulating layer. Of course, the specific structure of the cable 200 may also refer to related technologies, which will not be described in detail here.
[0037] Exemplarily, the shielding layer 230 may be a metal layer, such as an aluminum foil layer, a copper foil layer, etc. Of course, it may also be other materials. The material of the shielding layer 230 is not specifically limited here, as long as it can achieve grounding. Of course, the above cables 200 may all be high-speed cables.
[0038] The disclosed cable connector 100 includes a shielding shell 110 and a connecting terminal 120 .
[0039] The shielding shell 110 is a basic installation component of the cable connector 100, which can provide an installation basis for components such as the connection terminal 120. In some embodiments, the shielding shell 110 has a shielding cavity, and the connection terminal 120 is arranged in the shielding cavity. The connection terminal 120 can be accommodated by the shielding cavity, so that the shielding shell 110 can play a certain protective role on the connection terminal 120. At the same time, the shielding shell 110 can also perform signal shielding on the connection terminal 120 and even the connection area between the connection terminal 120 and other structures to alleviate the problem of signal leakage affecting the efficient and accurate transmission of the signal, thereby effectively ensuring the integrity of the signal.
[0040] In the embodiment of the present application, the shielding shell 110 can achieve a certain shielding effect on the signal through the shielding cavity to alleviate signal leakage, thereby improving the transmission efficiency and transmission accuracy of the signal; in addition, the shielding cavity of the shielding shell 110 can also achieve wrap-around shielding, thereby effectively isolating adjacent signal differential pairs, thereby reducing crosstalk between signals and improving signal integrity.
[0041] The connection terminal 120 is an electrical component, which is used to electrically connect to the core wire 210 of the cable 200. In addition, it can also be mechanically connected. On the one hand, the end of the core wire 210 of the cable 200 can be fixed, and on the other hand, a signal can be transmitted between the core wire 210 and the connection terminal 120 to ensure good signal transmission. Exemplarily, the connection terminal 120 can include structures such as a connection piece and a connection strip to facilitate signal transmission.
[0042] In addition, the connection terminal 120 is located in the shielding shell 110, the differential inner conductor is located in the insulating layer, and the connection terminal 120 and the differential inner conductor are connected by welding.
[0043] In order to prevent the signal on the connecting terminal 120 from being transmitted to the shielding shell 110 and leaking out through the shielding shell 110, in the embodiment of the present application, an insulation is arranged between the connecting terminal 120 and the shielding shell 110. In this way, it can effectively prevent the signal on the connecting terminal 120 from being transmitted to the shielding shell 110 and leaking out from the shielding shell 110, thereby ensuring efficient and accurate transmission of the signal.
[0044] For example, an insulating material may be provided between the connection terminal 120 and the shielding shell 110, and the connection terminal 120 and the shielding shell 110 may be separated by the insulating material to prevent conduction between the connection terminal 120 and the shielding shell 110, thereby isolating the signal transmission and effectively alleviating signal leakage. The insulating material may be an insulating layer, an insulating member, an insulating film, etc., which may be set according to actual working conditions.
[0045] Considering that in some cases, the shielding shell 110 needs to be reliably grounded to improve the reliability of signal transmission of the cable 200. Based on this, the shielding shell 110 can be made of a metal conductive material or a non-metal conductive material to conduct electricity through the shielding shell 110, so that the cable 200 can be reliably grounded through the shielding shell 110.
[0046] In the embodiment of the present application, the shielding shell 110 can be used to be electrically connected to the shielding structure of the cable 200 disposed on the outside of the core wire 210 to facilitate grounding.
[0047] In the embodiment of the present application, the connecting terminal 120 can be electrically connected to the core wire 210 of the cable 200 to facilitate signal transmission; the shielding shell 110 can be connected to the shielding structure of the cable 200, so that the induced signal (such as induced current, etc.) can be transmitted to the shielding shell 110 through the shielding structure during the signal transmission process of the core wire 210, thereby being grounded through the shielding shell 110, thereby achieving reliable grounding of the cable 200, so as to reduce the interference of the induced signal on the transmission signal in the core wire 210, and ensure the accuracy of the transmission signal in the core wire 210; in addition, the shielding shell 110 can achieve wrap-around shielding through the shielding cavity, which greatly improves the signal shielding effect, thereby effectively isolating adjacent signal differential pairs, thereby reducing crosstalk between signals and improving signal integrity.
[0048] In some embodiments, when the cable 200 is a cable 200 with a ground wire 220, at least one ground wire 220 may extend inside the cable 200, and the ground wire 220 is used for grounding. When one end of the cable 200 extends into the shielding shell 110 of the cable connector 100, the ground wire 220 also extends into the shielding shell 110.
[0049] In order to reliably ground the ground wire 220, in the embodiment of the present application, the shielding shell 110 may be provided with a connecting portion 1114, which is used to mechanically and electrically connect to the ground wire 220 of the cable 200. Based on this, the ground wire 220 of the cable 200 can be reliably connected to the shielding shell 110 through the connecting portion 1114, which can ensure that the ground wire 220 will not move arbitrarily in the shielding shell 110 on the one hand, and can also ensure reliable electrical connection on the other hand, so that the ground wire 220 can be grounded through the shielding shell 110, and then the induced signal (such as induced current, etc.) generated in the ground wire 220 can be eliminated, so as to improve the reliability of the signal transmitted in the core wire 210 of the cable 200.
[0050] For example, the ground wire 220 and the connection part 1114 can be fixedly connected, such as welding, bonding, riveting, etc. Of course, it can also be detachably connected, such as screwing, clamping, plugging, etc. The specific connection method can be selected according to the actual working conditions and is not specifically limited here. In addition, the connection part 1114 can be a surface structure, a groove structure, a hole structure, a protrusion structure, etc. The specific shape is not limited, as long as it can be reliably connected to one end of the ground wire 220.
[0051] Based on the above configuration, the embodiment of the present application can be mechanically and electrically connected to the ground wire 220 of the cable 200 through the connecting portion 1114, so that the cable connector 100 can provide a better conductive effect for the cable 200 with the ground wire 220, so that the cable 200 can be reliably grounded to eliminate the induced signal generated in the ground wire 220, and can also have a certain lightning protection effect, thereby ensuring the reliability of the signal transmission of the cable 200.
[0052] refer to Figure 2 and Figure 3 In some embodiments, the connection portion 1114 may include a groove formed on the side wall of the shielding shell 110, and the groove is used to penetrate and fix the end of the ground wire 220. Optionally, the groove width may be equal to the outer diameter of the ground wire 220, so that the ground wire 220 can enter the groove. Of course, the groove width may also be slightly smaller than the outer diameter of the ground wire 220, such as a difference of 0.1 to 0.5 mm. In this case, the ground wire 220 may be squeezed into the groove by an external force, thereby ensuring the firmness of the assembly between the ground wire 220 and the groove, so as to prevent the ground wire 220 from being separated from the groove.
[0053] To prevent the ground wire 220 from falling out of the groove, after the ground wire 220 is assembled into the groove, welding, bonding, riveting, screwing and other operations can be performed to firmly fix the ground wire 220 in the groove to prevent the ground wire 220 from falling out of the groove and affecting the grounding reliability.
[0054] In other embodiments, the connection portion 1114 may include a through hole opened on the side wall of the shielding shell 110, and the through hole is used to penetrate and fix the end of the ground wire 220. Optionally, the aperture of the through hole may be equal to the outer diameter of the ground wire 220, so as to play a clamping role on the ground wire 220.
[0055] To prevent the ground wire 220 from falling out of the through hole, after the ground wire 220 is inserted into the through hole, operations such as joining, bonding, riveting, and screwing can be performed to firmly fix the ground wire 220 in the through hole to prevent the ground wire 220 from falling out of the through hole and affecting the grounding reliability.
[0056] In a more specific embodiment, the cable 200 may include two ground wires 220. Accordingly, two opposite side walls of the shielding shell 110 are respectively provided with connecting parts 1114, so as to respectively connect the ends of the two ground wires 220 through the two connecting parts 1114, thereby further improving the reliability of signal transmission. Of course, it is not limited to this, and the number and arrangement of the connecting parts 1114 can be set according to the number of ground wires 220.
[0057] In other embodiments, when the cable 200 is a cable 200 without a ground wire 220, a shielding layer 230 may be provided on the outside of the core wire 210, and the shielding layer 230 may be used for grounding. When one end of the cable 200 extends toward the shielding shell 110 to which the cable 200 is connected, the shielding layer 230 will also extend toward the shielding shell 110. In order to ground the shielding layer 230, in the embodiment of the present application, the cable connector 100 may also include a shielding connector 130, which is provided on the outside of the cable 200 and is electrically connected to the shielding layer 230 of the cable 200, and at least part of the shielding connector 130 extends into the shielding cavity and is mechanically and electrically connected to the shielding shell 110. Based on this, the shielding layer 230 of the cable 200 can be reliably connected to the shielding shell 110 through the shielding connector 130, so that the shielding layer 230 can be grounded through the shielding connector 130, and the induced current generated in the shielding layer 230 can be eliminated to improve the reliability of the signal transmission of the cable 200. Exemplarily, the shielding connector 130 may be made of a conductive material, such as a metallic conductive material or a non-metallic conductive material, etc., and the specific material is not limited.
[0058] Based on the above configuration, the embodiment of the present application can be electrically connected to the shielding layer 230 of the cable 200 through the shielding connector 130. Thus, through the configuration of the shielding connector 130, the cable connector 100 can provide a better conductor effect for the cable 200 without the ground wire 220, thereby achieving reliable grounding.
[0059] In addition, in order to make the cable connector 100 suitable for both cables 200 with ground wires 220 and cables 200 without ground wires 220, in the cable connector 100 of the embodiment of the present application, the shielding shell 110 may be provided with a connecting portion 1114, and the cable connector 100 may include a shielding connector 130. In this way, through the combination of the connecting portion 1114 and the shielding connector 130, it can be applied to cables 200 with ground wires 220 to achieve reliable connection between the connecting portion 1114 and the ground wire 220, and it can also be applied to cables 200 without ground wires 220 to achieve reliable connection between the shielding connector 130 and the shielding layer 230. In this way, the problem that some cable connectors 100 in the related art are only suitable for a single type of cable 200 can be effectively alleviated, and a better grounding effect can be guaranteed.
[0060] refer to Figures 4 to 6In some embodiments, the shielding connector 130 may include a sleeve portion 131 and a clamping portion 132 connected to each other, wherein the sleeve portion 131 is sleeved on the outside of the cable 200 and connected to the shielding layer 230, and the clamping portion 132 is clamped on the outside of the cable 200. Specifically, the outermost side of the cable 200 may be provided with a layer structure such as an outer sheath, and the shielding layer 230 is located on the inner side of the outer sheath. When the shielding connector 130 is installed, the sleeve portion 131 can be firmly sleeved on the outer side of the outer sheath of the cable 200 to ensure the stability and firmness of the connection between the shielding connector 130 and the cable 200, and prevent the shielding connector 130 from moving relative to the cable 200 or detaching from the cable 200; and the sleeve portion 131 is also connected to the shielding layer 230 to achieve electrical conduction for grounding.
[0061] In addition, when installing the cable 200 and the shielding shell 110, since the sleeve portion 131 is sleeved on the outside of the cable 200, the end of the cable 200 and the sleeve portion 131 extend into the shielding cavity of the shielding shell 110 together. At the same time, the shielding shell 110 can also limit the sleeve portion 131, such as by clamping, crimping, etc., to prevent the shielding connector 130 from detaching from the shielding shell 110, and the sleeve portion 131 can also separate the outside of the cable 200 from the shielding shell 110, thereby avoiding direct fixation of the shielding shell 110 and the cable 200 to cause damage to the outside of the cable 200.
[0062] Exemplarily, the sleeve portion 131 may be a closed sleeve, casing or other structure, or may be a sleeve structure with an opening, which is sleeved on the outside of the cable 200 , can protect the cable 200 , and is convenient for connection with the shielding layer 230 .
[0063] The clamping portion 132 is clamped to the outer side of the cable 200 to improve the firmness and stability of the connection between the shielding connector 130 and the cable 200 and prevent the shielding connector 130 from being separated from the cable 200 .
[0064] Exemplarily, the clamping portion 132 may be a closed sleeve or a tube, and of course, may also be a clamping structure with an opening, which is clamped on the cable 200 to prevent the cable 200 from moving around at will.
[0065] refer to Figure 6 In some embodiments, the inner wall of the sleeve portion 131 may be provided with a plurality of sawtooth structures 1311, and the plurality of sawtooth structures 1311 extend along the axial direction of the shielding connector 130. By providing a plurality of sawtooth structures 1311, the contact effect with the shielding layer 230 may be increased, thereby improving the grounding reliability.
[0066] In some embodiments, the shielding connector 130 and the shielding layer 230 may be welded or riveted to ensure the firmness and stability of the connection between the shielding connector 130 and the shielding layer 230, thereby ensuring the reliability of signal transmission. Of course, other connection methods may be used between the shielding connector 130 and the shielding layer 230, as long as the firmness of the connection and the reliability of signal transmission can be ensured, and the specific form is not limited.
[0067] In other embodiments, the shielding connector 130 may be provided with an elastic connection end, which is in elastic contact with the shielding layer 230. In this way, under the elastic effect, good contact between the shielding connector 130 and the shielding layer 230 can be ensured, thereby ensuring stable and reliable transmission of signals. Exemplarily, the sleeve portion 131 may be provided with a spring structure, which is in elastic contact with the shielding layer 230 through the spring structure.
[0068] refer to Figure 4 In order to further improve the reliability of signal transmission, the side wall of the shielding shell 110 may be provided with an elastic contact terminal 140, which is used to be elastically connected to the shielding layer 230 or the shielding connector 130. Specifically, when one end of the cable 200 is connected to the shielding shell 110 through the shielding connector 130, the elastic contact terminal 140 elastically contacts the shielding connector 130, so that the reliability and stability of the connection between the shielding connector 130 and the shielding shell 110 can be ensured, so that the shielding layer 230 is electrically connected to the shielding shell 110 through the shielding connector 130 and the elastic contact terminal 140, thereby achieving reliable grounding, so as to improve the reliability of signal transmission of the cable 200.
[0069] Of course, the elastic contact terminal 140 can also be in direct contact with the shielding layer 230. In this case, a reliable electrical connection between the shielding layer 230 and the shielding shell 110 can be achieved through the elastic terminal, and reliable grounding can be achieved, thereby improving the reliability of signal transmission by the cable 200.
[0070] In addition, the elastic contact terminal 140 can also be in elastic contact with the shielding layer 230 and the shielding connector 130 at the same time, thereby increasing the electrical conduction path and further achieving reliable grounding of the shielding layer 230 to improve the reliability of signal transmission by the cable 200.
[0071] In order to be able to extend from both sides into the shielding shell 110 to achieve connection, in the embodiment of the present application, the shielding shell 110 can be penetrated along the first direction, wherein the first direction is the extension direction of the cable 200 in the shielding shell 110. Specifically, the cable 200 can extend from the first end of the shielding shell 110 in the first direction to the inside of the shielding shell 110, so that the core wire 210 is connected to the connecting terminal 120, and the ground wire 220 or the shielding layer 230 is connected to the shielding shell 110. In addition, the second end of the shielding shell 110 in the first direction can be used to connect other electrical components, such as a plug, the end of a cable, etc., so as to achieve signal transmission.
[0072] refer to Figures 2 to 5 In some embodiments, the shielding shell 110 may include a shell body 111 and a cover body 112, and the cover body 112 is connected to a side opening of the shell body 111 for sealing. In this way, the full-wrapped shielding of the signal can be achieved through the matching connection between the shell body 111 and the cover body 112 to reduce signal leakage and ensure the integrity of the signal.
[0073] The shell body 111 may include a first side plate 1111 and a second side plate 1112 extending in a first direction, respectively, and a connecting plate 1113 connecting the first side plate 1111 and the second side plate 1112. The cover body 112 is spaced apart from the connecting plate 1113 and connected to the first side plate 1111 and the second side plate 1112, respectively. Based on the above arrangement, a long strip structure with a concave cross section can be formed by the first side plate 1111, the second side plate 1112 and the connecting plate 1113, and the cover body 112 is connected to the notch of the long strip structure to close the notch, thereby forming a long strip channel to accommodate the connection terminal 120 and allow the cable 200, plug and other components to pass through. Based on the above arrangement, the connection terminal 120 can be accommodated and protected by the cooperation between the shell body 111 and the cover body 112.
[0074] Exemplarily, the cross section of the shell body 111 may be U-shaped. Of course, it may also be other shapes, which are not specifically limited here.
[0075] Optionally, a first card slot can be provided at one end of the connecting plate 1113 along the first direction, and a second card slot can be provided at the same end of the cover body 112 along the first direction. After the cover body 112 is connected with the shell body 111, the first card slot is opposite to the second card slot, and a card connection space is formed therebetween. The cable 200 or the shielding connector 130 can be inserted into the card connection space. In this way, the outer side of the cable 200 or the shielding connector 130 can be carded through the cooperation of the first card slot and the second card slot to ensure that the cable 200 or the shielding connector 130 and the shielding shell 110 do not move relative to each other.
[0076] In addition, one end of the elastic contact terminal 140 is connected to the cover body 112, and the other end extends obliquely toward the shell body 111. In this way, when the cable 200 or the shielding connector 130 extends into the shielding cavity, under the elastic action, the other end of the elastic contact terminal 140 can elastically press the shielding layer 230 or the shielding connector 130 of the cable 200, so that a reliable connection between the shielding shell 110 and the shielding layer 230 or the shielding connector 130 can be achieved through the elastic connection terminal 120, and then reliable grounding can be achieved to improve the reliability of signal transmission by the cable 200.
[0077] In other embodiments, the elastic contact terminal 140 can also be connected to at least one of the first side plate 1111, the second side plate 1112 and the connecting plate 1113. In this case, a reliable connection between the elastic contact terminal 140 and the shielding layer 230 or the shielding connector 130 can also be ensured.
[0078] In addition, the shielding shell 110 can also be integrally formed by bending and dovetail groove.
[0079] refer to Figure 7 In the embodiment of the present application, the cable connector 100 may further include an elastic conductive layer 400, which is used to connect to the outside of the shielding layer 230 and elastically contact the inner wall of the shielding shell 110. The shielding layer 230 can be reliably connected to the shielding shell 110 through the elastic conductive layer 400, thereby improving the reliability of signal transmission between the shielding layer 230 and the shielding shell 110, so that the shielding layer 230 can be reliably grounded. Among them, the elastic conductive layer 400 can be made of a material that is both conductive and elastic. For example, the elastic conductive layer 400 can be conductive foam, conductive rubber, etc. Of course, it can also be other materials, which are not specifically limited here.
[0080] refer to Figure 3 and Figure 5 In order to achieve insulation between the connecting terminal 120 and the shielding shell 110, the cable connector 100 may further include an insulator 150, which is detachably disposed in the shielding cavity, and the connecting terminal 120 is disposed on the insulator 150. Based on this, the insulator 150 can not only fix the connecting terminal 120, but also separate the connecting terminal 120 from the shielding shell 110 to prevent electrical conduction between the connecting terminal 120 and the shielding shell 110, thereby ensuring normal signal transmission and good grounding.
[0081] Exemplarily, the insulator 150 may be a separate component. When the connection terminal 120 needs to be disassembled, the insulator 150 may be separated from the shielding shell 110 to facilitate disassembly of the connection terminal 120 .
[0082] In other embodiments, the connection terminal 120 can be separated from the shielding shell 110 by injecting an insulating medium into the shielding shell 110. After the insulating medium is solidified, an insulator 150 is formed. This method can also separate the connection terminal 120 from the shielding shell 110 and fix the connection terminal 120.
[0083] In the embodiment of the present application, the insulator 150 may include a first insulating structure 151 and a second insulating structure 152, wherein the first insulating structure 151 and the second insulating structure 152 are detachably connected, and at least one of the first insulating structure 151 and the second insulating structure 152 is detachably connected to the shielding shell 110. Based on this, through the cooperation of the first insulating structure 151 and the second insulating structure 152, the connection terminal 120 can be fixed and separated from the shielding shell 110, and at the same time, the connection terminal 120 can be easily disassembled from the shielding shell 110.
[0084] Exemplarily, the first insulating structure 151 and the second insulating structure 152 can be plug-in-fitted, snap-fitted, screw-fitted, etc., and of course, other detachable connection methods can also be used, which are not specifically limited here. In addition, at least one of the first insulating structure 151 and the second insulating structure 152 can be snap-fitted, screw-fitted, etc. with the shielding shell 110 to facilitate disassembly and assembly.
[0085] In addition to the above-mentioned split structure, the insulator 150 can also be an integrated structure. In this case, the connection terminal 120 can also be fixed, and the connection terminal 120 can be easily disassembled and assembled. In addition, the manufacturing cycle of the insulator 150 can also be shortened.
[0086] Based on the above cable connector 100, the present application embodiment further discloses a connector assembly, referring to Figures 1 to 10 The disclosed connector assembly includes a housing 300 and a plurality of the above-mentioned cable connectors 100, wherein a plurality of mounting channels 310 are provided in the housing 300, and a cable connector 100 is inserted into each mounting channel 310. Through this arrangement, a plurality of cable connectors 100 can be installed in a one-to-one correspondence into the corresponding mounting channels 310, so that a plurality of cable connectors 100 can be fixedly installed at the same time.
[0087] Exemplarily, a plurality of cable connectors 100 are arranged in an array in the housing 300 , such as a rectangular array arrangement, a circular array arrangement, etc. Of course, other arrangements are also possible and are not specifically limited here.
[0088] In addition, the housing 300 may be made of plastic to avoid electrical conduction between the shielding shell 110 and the housing 300 .
[0089] In the embodiment of the present application, the assembly steps of the connector assembly are as follows:
[0090] 1. For a cable 200 without a ground wire 220, firstly, the outer sheath of the cable 200 is stripped to expose the shielding layer 230, and then the shielding connector 130 is fixedly connected to the shielding layer 230, such as by riveting, welding, etc., so that the shielding layer 230 and the shielding connector 130 are in reliable contact; for a cable 200 with a ground wire 220, firstly, the outer sheath of the cable 200 is stripped to expose the ground wire 220 (of course, the aluminum foil layer can also be exposed).
[0091] 2. The differential inner conductor of the cable 200 and the connection terminal 120 are fixedly connected together, such as by welding.
[0092] 3. Assemble and fix the shell body 111 and the cover body 112 (eg, by welding). For the cable 200 with the ground wire 220 , the ground wire 220 needs to be fixedly connected to the connecting portion 1114 first, such as by welding.
[0093] 4. Assemble multiple cable connectors 100 in rows and columns into multiple mounting channels 310 of the housing 300 to form a complete connector assembly.
[0094] Example 1:
[0095] For the connector assembly, the multiple cable connectors 100 included therein can be applicable to both the cable 200 without the ground wire 220 and the cable 200 with the ground wire 220. Figure 1 As shown, the cable connector 100 in the connector assembly can be in the form of an array of 4 rows and 6 columns, wherein 3 columns can be suitable for cables 200 with ground wires 220, for connecting to the cable connector 100 near the chip; the other 3 columns can be suitable for cables 200 without ground wires 220, for connecting to external cables 200. It can be seen that this type of connector assembly can have more flexible application scenarios in system applications.
[0096] Example 2:
[0097] refer to Figure 2 and Figure 7 When the cable connector 100 is used in conjunction with a cable 200 without a ground wire 220, a conductive foam can be wrapped around the outer side of the shielding layer 230. The conductive foam is an elastic material, with adhesive on one side for bonding with the shielding layer 230, and the other side elastically contacts the inner wall of the shielding shell 110, thereby achieving a common ground for the cable 200 and the cable connector 100. It should be noted that in this embodiment, the shielding shell 110 can be in contact with the shielding layer 230 without additionally providing an elastic contact terminal 140, thereby making the structure simpler.
[0098] Example 3:
[0099] refer to Fig. 9 and Fig.10 , both ends of the cable 200 are connected to the cable connectors 100 respectively, wherein the cables 200 may all be cables 200 with ground wires 220, or all be cables 200 without ground wires 220, or some may be cables 200 with ground wires 220 and some may be cables 200 without ground wires 220. In addition, the shielding shells 110 of each cable connector 100 may not have elastic contact terminals 140, or may have elastic contact terminals 140, or the shielding shell 110 of one cable connector 100 may have elastic contact terminals 140, and the shielding shell 110 of the other cable connector 100 may not have elastic contact terminals 140.
[0100] In summary, the cable connector 100 in the embodiment of the present application can be applied to a high-speed cable system to realize the interconnection of high-speed signals, and can be flexibly used in conjunction with a cable 200 with a ground wire 220 and a cable 200 without a ground wire 220, and is suitable for a variety of scenarios, thereby improving the scope of application and versatility of the cable connector 100. In addition, full-wrapped shielding can be achieved through the shielding shell 110, thereby effectively isolating adjacent signal differential pairs, thereby reducing crosstalk between signals and improving signal integrity.
[0101] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.
Claims
1. A cable connector, used for connecting to a cable (200), characterized in that: The cable connector (100) comprises: a shielding shell (110) and a connecting terminal (120); The shielding shell (110) has a shielding cavity, the connecting terminal (120) is arranged in the shielding cavity and is insulated from the shielding shell (110), and the connecting terminal (120) is used to electrically connect to the core wire (210) of the cable (200); The shielding shell (110) is used to be electrically connected to a shielding structure of the cable (200) and arranged outside the core wire (210).
2. The cable connector according to claim 1, characterized in that: The shielding shell (110) is provided with a connecting portion (1114), the shielding structure includes a ground wire (220), and the connecting portion (1114) is used to mechanically and electrically connect to the ground wire (220).
3. The cable connector according to claim 1 or 2, characterized in that: The cable connector (100) further comprises a shielding connector (130), wherein the shielding connector (130) is mechanically connected to the outer side of the cable (200), the shielding structure comprises a shielding layer (230), the shielding connector (130) is used to be electrically connected to the shielding layer (230), and at least a portion of the shielding connector (130) extends into the shielding cavity and is mechanically and electrically connected to the shielding shell (110).
4. The cable connector according to claim 3, characterized in that: The shielding connector (130) comprises a sleeve connection portion (131) and a clamping portion (132) connected to each other; The sleeve portion (131) is sleeved on the outside of the cable (200) and is electrically connected to the shielding layer (230), and the clamping portion (132) is clamped on the outside of the cable (200).
5. The cable connector according to claim 4, characterized in that: The inner wall of the sleeve portion (131) is provided with a plurality of sawtooth structures (1311), and the plurality of sawtooth structures (1311) respectively extend along the axial direction of the shielding connector (130).
6. The cable connector according to claim 3, characterized in that: The shielding connector (130) is used for welding or riveting with the shielding layer (230); Alternatively, the shielding connector (130) is provided with an elastic connection end, and the elastic connection end is in elastic contact with the shielding layer (230).
7. The cable connector according to claim 3, characterized in that: The side wall of the shielding shell (110) is provided with an elastic contact terminal (140), and the elastic contact terminal (140) is used to elastically contact the shielding layer (230) or the shielding connector (130).
8. The cable connector according to claim 7, characterized in that: The shielding shell (110) is penetrated along a first direction, and comprises a shell body (111) and a cover body (112); the shell body (111) comprises a first side plate (1111) and a second side plate (1112) respectively extending along the first direction, and a connecting plate (1113) connecting the first side plate (1111) and the second side plate (1112); the cover body (112) is spaced apart from the connecting plate (1113), and is respectively connected to the first side plate (1111) and the second side plate (1112); One end of the elastic contact terminal (140) is connected to the cover body (112), and the other end extends obliquely toward the shell body (111).
9. The cable connector according to claim 3, characterized in that: The cable connector (100) further comprises an elastic conductive layer (400), wherein the elastic conductive layer (400) is used to be connected to the outside of the shielding layer (230) and to be in elastic contact with the inner wall of the shielding shell (110).
10. The cable connector according to claim 1, characterized in that: The cable connector (100) further comprises an insulator (150), wherein the insulator (150) is detachably disposed in the shielding cavity, and the connecting terminal (120) is disposed on the insulator (150).
11. The cable connector according to claim 10, characterized in that: The insulator (150) comprises a first insulating structure (151) and a second insulating structure (152), the first insulating structure (151) and the second insulating structure (152) are detachably connected, and at least one of the first insulating structure (151) and the second insulating structure (152) is detachably connected to the shielding shell (110); Alternatively, the insulator (150) is an integral structure.
12. A connector assembly, characterized in that: Comprising a housing (300) and a plurality of cable connectors (100) according to any one of claims 1 to 11; A plurality of installation channels (310) are provided in the housing (300), and the cable connector (100) is inserted into each installation channel (310).