Cable connector with two sets of clamping plates for applying clamping force and reducing impact of impedance discontinuity
A cable connector and clamping force technology, which is applied in the field of cable connectors that can take into account the clamping force and reduce the impact of impedance discontinuity, and can solve the problems of discontinuous negative impact, insufficient clamping strength, and weak braided layer structure strength
Active Publication Date: 2018-05-29
GUIMA SCI & TECH
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Problems solved by technology
[0005] However, because the structural strength of the braided layer on the coaxial cable 10 is relatively weak, if the distance 110 between the signal terminal 11 and the ground terminal 12 is to be shortened, the ground terminal 12 must be clamped adjacent to the braided layer. As a result, the clamping strength between the ground terminal 12 and the braid will be insufficient, that is, when the coaxial cable 10 is pulled by an external force, the braid will be easily torn, resulting in the same Loosening of shaft cable 10
[0006] However, if the distance 110 between the signal terminal 11 and the ground terminal 12 is elongated so that the ground terminal 12 is clamped on the braided layer at a relatively middle section with a denser structure, then the distance between the signal terminal 11 and the ground terminal 12 , there will be electromagnetic field reflection back and forth, resulting in more severe negative effects of impedance mismatch and discontinuity
Based on the aforementioned situation, when designing a cable connector, the industry must consider "transmission stability" (that is, shorten the distance 110 between the signal terminal 11 and the ground terminal 12) and "durability" (that is, elongate the signal terminal 110). 11 and the distance between the ground terminal 12 (110) to make a trade-off, and can not take into account the characteristics of both, therefore, how to improve the structure of the cable connector to solve the dilemma in the known technology, that is, become the present invention important problem to be solved
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[0020] The present invention is a cable connector capable of both clamping force and reducing the impact of impedance discontinuity, please refer to figure 2 Shown is the first preferred embodiment of the present invention, the cable connector 2 is for connecting a circuit board P and a coaxial cable 20, wherein the coaxial cable 20 includes a sequence from the inside to the outside The wire 201 , an insulating layer 202 , a braided layer 203 and a sheath layer 204 , and one end of the coaxial cable 20 is exposed to the insulating layer 202 . For the convenience of explanation, it is figure 2 The "upper left" serves as the "rear" of the cable connector 2, figure 2 The "bottom right" of the cable connector 2 is used as the "front" of the cable connector 2.
[0021] see Figure 2-Figure 3 As shown, the cable connector 2 includes an insulating base body 21, a shell 22, a signal terminal 23, a first grounding terminal 24 and a second grounding terminal 25, and the top of the...
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A cable connector with two sets of clamping plates for applying a clamping force and reducing the impact of impedance discontinuity includes an insulating base, a housing, a signal terminal, and two ground terminals. The insulating base has a top portion concavely provided with a receiving space. The housing is mounted on the insulating base and has a through hole corresponding to the receiving space. The signal terminal and the ground terminals are set separately in a bottom portion of the insulating base, have top portions respectively configured for clamping a coaxial cable extending into the receiving space, and have bottom portions soldered respectively to a signal contact and a ground contact on a circuit board. One of the ground terminals is adjacent to the signal terminal to reducethe impact of impedance discontinuity. The other ground terminal applies an additional clamping force to the coaxial cable.
Description
technical field [0001] The present invention is a cable connector capable of both clamping force and reducing the influence of impedance discontinuity, especially having a signal terminal and two grounding terminals, respectively clamping the coaxial cable, and one of the grounding terminals is adjacent to The signal terminal is used to reduce the negative impact of impedance discontinuity, and the other ground terminal is far away from the signal terminal to provide a strong clamping force, and then take into account the performance and durability of the cable connector structure. Background technique [0002] Signal connector (Connector) generally refers to the connection components and accessories used in electronic signals and power supplies. It is a bridge for all signals. Its quality will affect the reliability of current and signal transmission, and it is also closely related to the operation of electronic systems. . With the development of electronic technology, the...
Claims
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IPC IPC(8): H01R13/40H01R13/652
CPCH01R13/40H01R13/652H01R9/053H01R24/50H01R24/44H01R4/28H01R4/66H01R24/38H01R9/0524H01R13/5812H01R13/582H01R13/621
Inventor 陈石瑞
Owner GUIMA SCI & TECH