CN201075516Y - Connector contact element structure for transmission of high speed difference signal - Google Patents

Abstract

The utility model pertains to electric connector technology which relates to a connector contact structure used for transmitting high-speed differential signals. The utility model consists of an inserting pin contact and a plughole contact, which are matched with each other, and is characterized in that an insulator 3 is made of polymer materials, and a pair of or two pairs of internal pins 2 and internal holes 5 installing holes are distributed uniformly along circumference on the insulator 3; an insulator 6 is made of polymer materials, a pair of or two pairs of internal holes 5 and internal pins 2 installing holes are distributed uniformly along circumference on the insulator 6, and the internal holes 5 or the internal pins 2 installing holes are corresponding to the internal pins 2 and the internal holes 5 installing holes on the insulator 3 one by one. The connector contact structure of the utility model meets the requirement of transmitting high-speed differential signals.

Description

The connector contact structure that is used for the transmitting high speed differential signal

Technical field

The utility model belongs to the electric connector technology, relates to a kind of connector contact structure that is used for the transmitting high speed differential signal.

Background technology

Along with the progress and the higher rate request of data transmission technology, differential signal progressively becomes the first-selection of high speed transmission of signals.The coaxial cable of existing energy transmitting high-frequency signal is single core or coaxial two cored structures, can not be used for the transmitting high speed differential signal.The poor effect of common low-frequency connector transmitting high speed differential signal can not satisfy instructions for use.

Summary of the invention

The purpose of this utility model is: propose a kind of connector contact structure that is used for the transmitting high speed differential signal, to satisfy the needs of transmitting high speed differential signal connectors.

The technical solution of the utility model is: the connector contact structure that is used for the transmitting high speed differential signal, by contact pin contacting piece with jack contact is supporting forms, contact pin contacting piece by the outer pin 1 of round metal tubular, be fixed on have in the outer pin 1 in pin 2 or the insulator 3 of endoporus 5 installing holes and interior pin 2 or the endoporus 5 that is installed on the insulator 3 form; Jack contact by the outer hole 4 of round metal tubular, be fixed on the insulator 6 that has endoporus 5 or interior pin 2 installing holes in the outer hole 4 and the endoporus 5 or the interior pin 2 that are installed on the insulator 6 are formed; It is characterized in that said insulator 3 is by the macromolecular material manufacturing, on insulator 3, have a pair of or the two pairs of interior pins 2 that are uniformly distributed along the circumference or endoporus 5 installing holes that its inside dimension parameters relationship is as follows: $Z_0=\frac{120}{\sqrt{\mathrm{\&epsiv;}}}\ln \left(\frac{1-{\mathrm{\&sigma;}}^2}{1+{\mathrm{\&sigma;}}^2}\frac{{2D}_2}{d}\right);$ Wherein $\mathrm{\&sigma;}=\frac{D_2}{{\mathrm{<figure-callout\; id="1"\; label="D"\; filenames="Y20072017634000061.png"\; state="\{\{state\}\}">D</figure-callout>}}_1},$ Z in the formula ₀Be system matches impedance, D ₂Be outer conductor internal diameter, D ₁Be two distances between the inner wire, d is an inner conductor outer diameter, and ε is the insulator material dielectric constant; Said insulator 6 has a pair of on insulator 6 or two pairs of endoporus that are uniformly distributed along the circumference 5 or interior pin 2 installing holes by the macromolecular material manufacturing, and the interior pin 2 on above-mentioned endoporus 5 or interior pin 2 installing holes and the insulator 3 or the position of endoporus 5 installing holes are corresponding one by one.

The utility model has the advantages that: connector contact structure of the present utility model has satisfied the needs of transmitting high speed differential signal connectors.The for example outer pin of major part of the present utility model, outer hole and interior pin, endoporus all can adopt existing standard design structure, are convenient to design, manufacturing and the use of connector.

Description of drawings

Fig. 1 is the structural representation of the utility model contact pin contacting piece.

Fig. 2 is the right view of Fig. 1.

Fig. 3 is the structural representation of the utility model jack contact.

Fig. 4 is the right view of Fig. 3.

Embodiment

Below the utility model is described in further details.Referring to Fig. 1～Fig. 4, the connector contact structure that is used for the transmitting high speed differential signal of the present utility model, by contact pin contacting piece with jack contact is supporting forms, contact pin contacting piece by the outer pin 1 of round metal tubular, be fixed on have in the outer pin 1 in pin 2 or the insulator 3 of endoporus 5 installing holes and interior pin 2 or the endoporus 5 that is installed on the insulator 3 form; Jack contact by the outer hole 4 of round metal tubular, be fixed on the insulator 6 that has endoporus 5 or interior pin 2 installing holes in the outer hole 4 and the endoporus 5 or the interior pin 2 that are installed on the insulator 6 are formed; Outer hole, endoporus can adopt known configurations such as line spring, sheet spring, the string of a hat; Outer hole, outer pin external dimensions cooperate with high speed connector insulator size, can be designed as the standard size structure, and be compatible with the standardization level and the succession that improve connector.It is characterized in that said insulator 3 is by the macromolecular material manufacturing, as materials such as polytetrafluoroethylene, polyether sulfone, polyether-ketones.Have a pair of on insulator 3 or the two pairs of interior pins 2 that are uniformly distributed along the circumference or endoporus 5 installing holes, its inside dimension parameters relationship is as follows: $Z_0=\frac{120}{\sqrt{\mathrm{\&epsiv;}}}\ln \left(\frac{1-{\mathrm{\&sigma;}}^2}{1+{\mathrm{\&sigma;}}^2}\frac{{2D}_2}{d}\right);$ Wherein $\mathrm{\&sigma;}=\frac{D_2}{{\mathrm{<figure-callout\; id="1"\; label="D"\; filenames="Y20072017634000061.png"\; state="\{\{state\}\}">D</figure-callout>}}_1},$ Z in the formula ₀Be system matches impedance, D ₂Be outer conductor internal diameter, D ₁Be two distances between the inner wire, d is an inner conductor outer diameter, and ε is the insulator material dielectric constant; Can be according to definite inside dimension parameters such as the matched impedance of different system, requirement on electric performance, dimensional requirements.Said insulator 6 has a pair of on insulator 6 or two pairs of endoporus that are uniformly distributed along the circumference 5 or interior pin 2 installing holes by the macromolecular material manufacturing, and the interior pin 2 on above-mentioned endoporus 5 or interior pin 2 installing holes and the insulator 3 or the position of endoporus 5 installing holes are corresponding one by one.

Connection mode of the present utility model is: when the connector contact structure of this transmitting high speed differential signal was 2 cores, a pair of differential signal was transmitted in directly wiring; When this structure was 4 cores, two pairs of differential signals were transmitted in the alternate in twos wiring of interior pin 2 or endoporus 5.Interior pin 2 or endoporus 5 can adopt termination modes such as crimping, welding, solderless wrapped connection to be connected with the holding wire of cable; Outer pin 1 or outer hole 4 can adopt termination modes such as crimping, welding, solderless wrapped connection to be connected with the shielding conductor or the screen of cable.

Embodiment.

In an embodiment of the present utility model, a high-speed-differential contact contact pin has comprised four interior pins, an outer pin, an insulator; Outer pin, interior pin all adopt known cylindrical-shaped structure, and insulator adopts polytetrafluoroethylene; Jack has comprised four endoporus, an outer hole, an insulator, and outer hole, endoporus adopt known spring structure; After contact pin and jack plug together, can transmit two pairs of differential signals simultaneously, matched impedance is 150 ohm.

In another embodiment of the present utility model, a high-speed-differential contact contact pin has comprised two interior pins, an outer pin, an insulator; Outer pin, interior pin all adopt known cylindrical-shaped structure, and insulator adopts polyether sulfone; Jack has comprised four endoporus, an outer hole, an insulator, and outer hole, endoporus adopt known line spring structure; After contact pin and jack plug together, can transmit a pair of differential signal simultaneously, matched impedance is 100 ohm.

Claims (1)

1. the connector contact structure that is used for the transmitting high speed differential signal, by contact pin contacting piece with jack contact is supporting forms, contact pin contacting piece by the outer pin [1] of round metal tubular, be fixed on the insulator [3] that has interior pin [2] or endoporus [5] installing hole in the outer pin [1] and the interior pin [2] or the endoporus [5] that are installed on the insulator [3] are formed; Jack contact by the outer hole [4] of round metal tubular, be fixed on the insulator [6] that has endoporus [5] or interior pin [2] installing hole in the outer hole [4] and the endoporus [5] or the interior pin [2] that are installed on the insulator [6] are formed; It is characterized in that said insulator [3] is by the macromolecular material manufacturing, on insulator [3], have a pair of or the two pairs of interior pins [2] that are uniformly distributed along the circumference or endoporus [5] installing hole that its inside dimension parameters relationship is as follows: $Z_0=\frac{120}{\sqrt{\mathrm{\&epsiv;}}}\ln \left(\frac{1-{\mathrm{\&sigma;}}^2}{1+{\mathrm{\&sigma;}}^2}\frac{2D_2}{d}\right);$ Wherein $\mathrm{\&sigma;}=\frac{D_2}{D_1},$ Z in the formula ₀Be system matches impedance, D ₂Be outer conductor internal diameter, D ₁Be two distances between the inner wire, d is an inner conductor outer diameter, and ε is the insulator material dielectric constant; Said insulator [6] is by the macromolecular material manufacturing, have a pair of on insulator [6] or two pairs of endoporus that are uniformly distributed along the circumference [5] or interior pin [2] installing hole, the interior pin [2] on above-mentioned endoporus [5] or interior pin [2] installing hole and the insulator [3] or the position of endoporus [5] installing hole are corresponding one by one.

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