Data cable-plug connector for data transmission

Abstract

This invention relates to a data cable-plug connector for data transmission, comprising a plug body having a cable connection side, a plug connection side, and a plug shield. The cable connection side connects to a shielded data cable, the data cable including at least one first insulated wire and a second insulated wire. The cable connection side has a first connection guide, a second connection guide, and a shield connection. The plug connection side has a contact carrier with contact openings that receive the first and second contacts. The contact openings, as channel openings, are arranged parallel to the contact pitch in the axial direction of the data cable-plug connector. The cable connection side of the data cable-plug connector has an impedance transmitter made of conductive material, which has a first connection guide and a second connection guide, wherein the conductive material is at least partially formed between the first and second connection guides.

Description

Technical Field

[0001] This invention relates to a data cable-plug connector for data transmission. This data transmission can be used, for example, between a tractor and a trailer, or between a vehicle and onboard machinery (e.g., an agricultural vehicle and agricultural machinery that can be mounted on the agricultural vehicle). The data cable-plug connector has at least one plug body having a cable connection side, a plug connection side, and, in particular, a plug shield surrounding the cable connection side and the plug connection side. The cable connection side is configured to connect the shielded data cable, at least one first insulated wire and a second insulated wire for data transmission, and at least a line shield surrounding the first and second insulated wires. The cable connection side has a first connection guide for the first insulated wire, a second connection guide for the second insulated wire, and a shielded connection for the line shield. For high data rate data transmission, shielding the data cable and its plug connector is necessary to avoid interference.

[0002] Furthermore, the plug connection side of the data cable-plug connector includes a contact carrier having contact openings for accommodating first and second contacts that can be connected to a first insulated wire and a second insulated wire. The contact openings, as channel openings (preferably extending straight or linearly) in the contact carrier, are arranged parallel to the contact pitch in the axial direction of the data cable-plug connector, such that a plug having first and second plug contacts arranged at the contact pitch can be connected to the first and second contacts of the contact carrier for data transmission, particularly by inserting the plug into the plug connector connection side of the data cable-plug connector.

[0003] The conductor pairs in cables (especially data cables) typically have a small pitch. These conductor pairs are often also twisted. The thickness of the individual insulated conductors, and thus the overall cable thickness, significantly affects the maximum cable length at which reliable data transmission can be achieved. For plug connectors that are partially inserted thousands of times, there is sometimes a need to optimize tactile feel and / or durability. Therefore, thicker plug contacts are often used to meet user requirements. Thicker plug contacts are also needed if conductors of different diameters are to be connected, for example, to increase the overall cable length for data transmission.

[0004] Therefore, the distance between the insulated wires in the cable must be increased within the plug body. However, it is known that changes in the geometry of the plug connector or the spacing of the wires can cause interference during data transmission. Background Technology

[0005] It is precisely in the case of high-frequency data transmission that such interference points particularly minimize the possible data rate during data transmission. Interference points in the connector are generated, in particular, in the form of impedance changes in the cable, which affect the signal wave transmitted in the cable. It is known from the prior art, especially from patent document DE 10 2018 208 532 A1, that the impedance of the connector along the insertion direction between the plug and the mating plug should remain constant or nearly constant. To this end, the prior art proposes an impedance compensation device comprising an inductive section and a capacitive section, wherein the inductive section produces a variable inductance share of the impedance, and the capacitive section produces a variable capacitance share of the impedance, wherein the inductance share must be equal to the capacitance share in order to maintain a constant impedance. An inductive section is disclosed that includes multiple deflectable portions, wherein the inductance share can be increased and the capacitance share can be compensated by deflecting the inductive section.

[0006] Patent document DE 10 2018 104 253 B4 discloses an alternative method for influencing the impedance of a connector, particularly by changing the spacing between the outer conductor and the conductors of the conductor pair or by changing the spacing between the conductors of the conductor pair.

[0007] However, these solutions have proven to be unreliable in practice, especially in more robust environments. External influences, such as vibration, can cause wires to inadvertently move closer together. The resulting impedance changes negatively impact data transmission. Furthermore, these solutions are structurally complex, increasing manufacturing costs and introducing relatively large tolerances in cable routing, leading to undesirable impedance fluctuations. Summary of the Invention

[0008] Therefore, the object of the present invention is to provide a data cable-plug connector for data transmission, which is particularly easy to manufacture in technically robust environments, such as in motor vehicle connections, and can reliably avoid impedance fluctuations.

[0009] Therefore, it is specifically stipulated that an impedance transmitter made of conductive material is arranged on the cable connection side of the data cable-plug connector. A first connection guide and a second connection guide are constructed in this impedance transmitter, and a shielding connection portion is also constructed in the impedance transmitter if necessary. At least a portion of the conductive material is constructed between the first and second connection guides. According to the invention, the impedance transmitter is configured to be adjacent to the contact carrier, wherein the openings of the first and second connection guides facing the contact carrier open into the channel opening of the contact carrier.

[0010] It has been confirmed that, through this construction and arrangement of the impedance transmitter in the data cable-plug connector, the line impedance (also referred to as impedance or cable impedance) is minimally affected only by the plug. This is of great significance for data cables, especially when transmitting high data rates (e.g., in the range of 1 Gbit / s), for which the data cable-plug connector of the present invention is particularly preferred. Changes in line impedance occur when transitioning from a first data cable to the data cable-plug connector, within the data cable-plug connector, and when transitioning from the data cable-plug connector to a second data cable. Interference points in data transmission or changes in line impedance cause the data signal (electromagnetic waves propagating in the data cable) to be partially transmitted (i.e., continue propagating in the data cable along the previous propagation direction) and partially reflected (i.e., propagating in the data cable in the opposite direction to the previous propagation direction) at the interference points. This causes interference in signal transmission and should be avoided. Therefore, the smallest possible change in impedance in the data plug connection indicates a small number of interference points. Furthermore, the proposed solution is very robust and therefore can be reliably used in the automotive field, where large mechanical loads occur due to vibration during vehicle operation.

[0011] Typically, the spacing between the insulated wires in the data cable differs from the spacing between the contacts in the contact carrier, for example, due to tactile reasons, different diameters of the insulated wires in the cable on different sides of the data cable-plug connector, or mechanical presets to achieve a large number of reliable and achievable insertion processes (mechanical stability of the contacts). This difference in spacing between the first and second insulated wires leads to a significant change in surge resistance. It has been shown that the change in surge resistance during the spacing variation can be minimized by arranging a conductive material between the first and second connection guides for guiding the first and second insulated wires, such that each wire in this region has its own wire shield.

[0012] Accordingly, a particularly preferred embodiment of the invention specifies that the distance between the first and second connecting guides varies, particularly increases, with respect to the axial direction of the data cable-plug connector (in particular, this distance can also be relative to the central axis of the data cable-plug connector). This is especially true when the data cable-plug connector has two or more insulated wires or connecting guides. According to the invention, this can be applied to multiple or all connecting guides.

[0013] A change in the spacing of the connection guides, particularly a change in the spacing during connection guiding, can mean, for example, a change in the spacing of the centerline of the connection guides in a plane or other separately identical, characteristic features, that this spacing is in the axial direction of the plug connector and passes through the centerline of the two connection guides (e.g., other characteristic features). In a general definition, a change in the spacing of the connection guides can be described as a change in the spacing between axes defined in the axial direction of the data cable-plug connector, particularly in the case of circular or elliptical data cable-plug connectors, where the spacing is between the central axis of the data cable-plug connector and the central axis of the connection guides. Because the connection guides form their own conductor shields for the first and second insulated conductors, electromagnetic compatibility is improved, and susceptibility to interference in signal transmission is minimized.

[0014] According to a preferred embodiment, the present invention specifies that the lengths of the connection guides in the data cable-plug connector are identical. This avoids time differences in signal propagation in the first connection guide, the second connection guide, and, if necessary, each other connection guide. Such time differences can lead to interference and variations in line impedance during data transmission. To further enhance the data transmission characteristics of the data cable-plug connector, it can be specifically specified that the cable is introduced into the data cable-plug connector, and the plug contact connection diagram and connection guides for mating the plug are arranged symmetrically around a selected axial axis (e.g., its central axis) of the data cable-plug connector. This is because all components arranged around the conductor guides, particularly due to their shielding effect, affect the transmission characteristics. It is particularly advantageous for the data cable-plug connector and its defined components to be arranged and designed symmetrically, or at least as symmetrically as possible, around a selected axis of symmetry (e.g., the axial axis of the data cable-plug connector, such as the central axis).

[0015] Another preferred embodiment of the data cable-plug connector is characterized in that the first and second connection guides (and, if necessary, other connection guides) are configured as non-parallel extending channels in an impedance transmitter. Preferably, the number of connection guides or channels corresponds exactly to the number of insulated wires used for data transmission. The channels can here be specifically configured as (straight-extending) through-holes, wherein the surface quality of the through-holes also determines the impedance characteristics within the region of the through-hole.

[0016] Preferably, the channels of the different connection guides extend symmetrically at an angle relative to the longitudinal axis (axial axis) of the plug body. The angle measured from the central axis of the data cable-plug connector is preferably the same. Preferably, the angle of the channel relative to the central axis and the length of the channel are determined such that the minimum spacing between at least two insulated wires is minimized before entering the channel and maximized after leaving the channel.

[0017] In a preferred embodiment, the inner diameter of the channel is larger than the outer diameter of the insulated conductor of the data cable, thereby forming a gap between the insulated conductor of the data cable guided in the channel and the impedance transmitter. This gap is filled with a non-conductive material having a dielectric constant εR that is different from that of the impedance transmitter.

[0018] The material in the gap between the insulated conductor guided in the channel and the inner wall of the channel, particularly air or other materials having a dielectric constant εR smaller than that of the conductive material of the impedance transmitter, is used as the dielectric. The conductive material of the impedance transmitter can be, for example, a nickel-plated copper or brass alloy, or a material having one of these properties.

[0019] The size of the gap and the dielectric constant ε of the material filling the gap are considered. R The spacing of the guides and / or connecting parts can change the impedance of the data cable-plug connector. Since not only the length of the channel but also the spacing between the inner wall of the channel and the insulated first and second conductors affects the transmission characteristics, the channel advantageously has a constant diameter along its length.

[0020] The opening on the plug connection side of the impedance transmitter or connection guide leads into the channel opening of the contact carrier. Here, the contact carrier can partially surround the impedance transmitter, for example, through a protruding edge region.

[0021] According to another preferred embodiment of the invention, the contact carrier may be made of a plastic material having a defined dielectric constant εR. The dielectric constant εR of the plastic material... R In practice, it can be approximately 3, and moreover, particularly in the range of approximately 2 or 2.5 and approximately 4. Using the geometry and data cable given in practice, and utilizing the advantageous embodiments and materials described above, the impedance in the region of the contact carrier, corresponding to the impedance of the data cable, for example, 100 ohms, can generally be adjusted. While the value of the dielectric constant εR of the plastic carrier represents a typical range, the invention is not limited thereto.

[0022] In principle, the wires and contacts can also be spaced apart from the inner wall of the channel opening in the plastic carrier, compared to the gap between the insulated wires and the inner wall of the impedance transmitter channel. It is also advantageous to fill this gap with a material such as air in this location.

[0023] Furthermore, in a preferred embodiment, the first and / or second contacts in the contact carrier can have a misalignment in the outer diameter along the axial direction of the data cable-plug connector at a first position. When the corresponding contacts of the data cable-plug connector are fixed to the data cable, for example by crimping or soldering, the contact carrier can have a misalignment in the outer diameter along the axial direction of the data cable-plug connector at a second position to accommodate these contacts within the contact carrier. Since the data transmission characteristics are affected by the impedance in the data plug connector as previously described (where shielding is determined particularly by the sum of the materials between the environment outside the plug connector and the wires and / or contacts), it is advantageous for the spacing between the environment outside the plug connector and the wires and / or contacts to change in relation to each other. Therefore, it is advantageous for the second position to have a misalignment in the axial direction at the same location as the first position. This misalignment can also secure and / or fasten the wires and / or contacts.

[0024] In a preferred embodiment that allows for particularly high data rates, the invention specifies that the impedance in the data cable-plug connector corresponds to the impedance value of the data cable. According to a particularly preferred embodiment, this is achieved by changing at least one of the following parameters:

[0025] • Direction of the passage

[0026] • Gap size

[0027] • The dielectric constant ε of the material filling the gap R

[0028] • Dielectric constant ε of the contact carrier R

[0029] • The first position of the misalignment in the outer diameter of the contact

[0030] • The second position of the misaligned portion in the outer diameter of the contact carrier

[0031] To adjust the impedance in the data cable-plug connector so that the impedance in the data cable-plug connector corresponds to the predetermined impedance value of the data cable.

[0032] Variations in the orientation of the channel in the impedance transmitter specifically include changes in the angle between the central axes of the connection guides and / or changes in the length of the impedance transmitter in the axial direction of the data cable-plug connector. Furthermore, variations in the channel orientation also include all the aforementioned possibilities affecting impedance variation, such as variations in surface quality.

[0033] According to feasible embodiments, the optimal values ​​of the parameters can be determined by calculating the impedance in a physical model of the data cable-plug connector. Since the parameters partially influence each other, there may be multiple optimal parameter values, where the impedance in the data cable-plug connector corresponds to a predetermined impedance value for the data cable. However, determining the parameters in a physical model is relatively complex because the theoretical calculation of impedance requires precise consideration of the materials and geometric relationships employed.

[0034] Therefore, an alternative approach to optimizing parameters is to measure the impedance in the impedance transmitter, particularly using a time-domain reflectometer (TDR) measurement device. In a TDR, the transit length and reflection characteristics of electromagnetic waves and signals in a cable or signal conductor are determined. Such or similar methods are known to those skilled in the art. They are based on generating a series of very short signals fed into the cable using a pulse generator. The signal amplitude and transit time of the signal are compared with the fed signal in the measuring device. The source of interference can be located by this comparison. Thus, the source of interference is identified, in particular, by the impedance deviation at the interference source, especially by the occurrence of oscillations.

[0035] Accordingly, to match the impedance of the data cable-to-plug connector to the impedance of the data cable, the data cable can be connected to the data cable-to-plug connector, and the source of interference can be spatially identified. By changing the parameters, the source of interference can be eliminated or at least reduced, so that interference does not hinder reliable data transmission.

[0036] It has been confirmed that the basic configuration of the data cable-plug connector proposed in this invention typically has an impedance of approximately 100Ω, similar to that of a conventional data cable. Here, a similar impedance value means that the impedance of the data cable-plug connector along its length deviates from the average impedance by no more than 5%, and therefore, the impedance of the data cable-plug connector along its length is preferably in the range of 100 ± 5 ohms. Therefore, this also applies to the impedance in the region of the impedance transmitter.

[0037] Accordingly, it has been confirmed that in the preferred embodiment using empirically determined parameters, no impedance change or interference was observed in the data cable-plug connector during measurements performed using a time-domain reflectometer measuring apparatus. For measurement purposes, the data cable-plug connector can be connected to the data cable. Interference is understood here as, in particular, an impedance change of an order of magnitude that interferes with data transmission at the desired data rate.

[0038] For those skilled in the art, the various orders of magnitude can be determined empirically as appropriate. In this way, especially the impedance measured along the length of the data cable-plug connector is nearly the same as the impedance of the cable located outside the connector, or in other words, no interference affecting data transmission is measured inside the data cable-plug connector, thereby enabling optimization.

[0039] Furthermore, a particularly preferred embodiment of the data cable-plug connector has a shielded connection portion, wherein the shielded connection portion for the line shield is preferably constructed on the impedance transmitter, and the impedance transmitter is electrically connected to the plug shield. This has structural advantages, as the impedance transmitter is preferably constructed at least regionally flat on the cable connection side, thereby allowing a relatively simple conductive connection to be established between the line shield and the impedance transmitter without additional structural costs. According to the invention, it is particularly preferred that the shielded connection portion completely surrounds the first and second connection guides, i.e., forming a 360° loop around (or all) the connection guides on the impedance transmitter. Because the electrically insulated wires enter the impedance transmitter or its channel directly after exiting the data cable, interruptions to the shielding portion can also be avoided by connecting the wire shield to the impedance transmitter.

[0040] In a particularly preferred embodiment, the plug body has a cable entry portion with a stress-relief clip and a tension nut on the cable connection side. The stress-relief clip is pressed against the impedance transmitter by tightening the tension nut, and the cable entry portion is arranged opposite the connection guide portion within the impedance transmitter. This allows for the fixing or pressing of the wire shielding, particularly between the surface of the stress-relief clip facing the plug connection side and the surface of the impedance transmitter facing the cable connection side. Furthermore, tightening the tension nut enables a modular and stable structure for the data cable plug connector. Additionally, the described embodiment allows the insulated wires of the data cable to be introduced linearly into the opening of the connection guide portion, which is configured as a channel in the impedance transmitter. This avoids or reduces impedance variations and interference points in the data cable plug connector.

[0041] According to a particularly preferred embodiment of the invention, the connection guide can be inserted into a common recess of the impedance transmitter. This recess provides sufficient space for the insulated wires to be guided without bending from the data cable into the connection guide. Preferably, the shielded connection is configured to surround this recess. Combined with the foregoing features, this allows the power shield of the data cable to be pressed between the stress-relief clip and the impedance transmitter, and the power shield remains conductive with the impedance transmitter, and preferably also with the metallic stress-relief clip. This helps to completely and reliably shield the data cable wires in the cable entry point, while providing sufficient flexibility to avoid kinking and / or damage to the wires. This also avoids impedance variations, and consequently, avoids interference when the data cable enters the data cable-plug connector.

[0042] In a particularly preferred embodiment of the invention, the vehicle's data cable is connected to the cable connection side of the data cable-plug connector, wherein the data cable is already connected to or can be connected to the vehicle's vehicle data network. Furthermore, the data cable-plug connector of the invention can be used to connect a tractor and trailer or a vehicle to an external wired data communication connection. Such external wired data communication particularly includes connections to devices or functions that can be connected to the outside of the vehicle.

[0043] Because data cable-plug connectors are particularly susceptible to environmental factors (such as moisture), sealing of the data cable-plug connector (e.g., at the transition from the data cable to the plug body) is advantageous.

[0044] Furthermore, the data cable-plug connector according to the invention can be used to connect two data cables with insulated wires of different diameters. Such an application is particularly advantageous in the automotive field, as cables in vehicle data networks typically have a small cross-sectional area of ​​approximately 0.13 mm². 2 Up to 0.15mm 2 The wires are used for high-speed data transmission within the vehicle, such as data transmission up to Gbit / s. These small cross-sections ensure the required impedance of the data cable, for example, approximately 100 ohms, but only for relatively short cable lengths of about 8 to 10 meters. Therefore, connections to trailers or external equipment are not feasible. To achieve Gbit-data transmission over cable lengths up to 40 meters, the data cable must have a larger cross-sectional area at the transition points, specifically 0.35 mm². 2 Up to 0.75mm 2The cross-sectional area is within a certain range. The plug of such a data cable requires a larger contact pitch, thus necessitating the provision of a corresponding data cable-plug connector. This data cable-plug connector preferably has a pin contact pitch within the range of 5 ± 1 mm. The data cable-plug connector proposed according to the invention is particularly well-suited for this purpose because the proposed impedance transmitter provides a connection guide that allows the spacing of the data lines to be changed without altering the impedance.

[0045] Other features, advantages, and applications of the invention also arise from the following description of the embodiments and drawings. Herein, all described and / or illustrated features, either alone or in any combination, form the subject matter of the invention, regardless of their inclusion in the described or illustrated embodiments or in the summary of the claims. Attached Figure Description

[0046] Figure 1 A cross-sectional view of a data cable-plug connector according to an embodiment of the present invention is shown;

[0047] Figure 2 Showing according to Figure 1 Unanalyzed side view of the data cable plug connector;

[0048] Figure 3 Showing according to Figure 1 Exploded perspective view of the data cable-plug connector;

[0049] Figure 4 Showing according to Figure 3 Cross-sectional view of the data cable-plug connector;

[0050] Figure 5A A three-dimensional perspective view of an impedance transmitter of a data cable-plug connector according to one embodiment is shown;

[0051] Figure 5B Showing according to Figure 5A A cross-sectional view of an impedance transmitter;

[0052] Figure 5C Showing according to Figure 5A Exploded side view of an impedance transmitter;

[0053] Figure 5D Showing according to Figure 5A A front view of the plug connection side of the impedance transmitter. Detailed Implementation

[0054] Figure 1The data cable-plug connector 1 shown, for data transmission, particularly for high-frequency data transmission in the automotive and commercial vehicle sectors, includes a plug body 2 having a cable connection side 3 and a plug connection side 4. On the cable connection side 3, a data cable 100 is guided into the data cable-plug connector 1. Figure 1 The data cable 100 has a first conductor 101 and a second conductor 102, which are respectively surrounded by conductor insulation layers 106. The insulated first conductor 101 and second conductor 102 are located in a conductor shield 103, which is covered by a cable sheath 107.

[0055] On the cable connection side 3, the data cable 100 first enters the data cable plug connector 1 via, for example, a tension nut 6. The tension nut 6... Figure 1 The stress relief clamp 5 is screwed onto the middle. Instead of the stress relief described herein, those skilled in the art can also implement stress relief in other forms according to the present invention.

[0056] The data cable 100 passes through the stress relief clip 5, which presses the line shield 103 against the impedance transmitter 200 in the plug connection direction. Therefore, the line shield 103 is directly connected to the conductive impedance transmitter 200. The stress relief clip 5 may also be made of a conductive material, thus shielding the connection portion 9 from the surface of the impedance transmitter 200 and possibly forming it.

[0057] A preferred embodiment of the data cable-plug connector 1 may have one or more seals (not shown) between the plug body 2 and the data cable 100 and / or between the tension nut 6 and the data cable 100, for example in the external area of ​​a motor vehicle, particularly when the data cable-plug connector 1 is exposed to moisture and / or protected.

[0058] Furthermore, the stress relief clamp 5 may have a first anti-torsion device 7, which in... Figure 1 This includes a flat-head screw. When the data cable-plug connector 1 is assembled, the flat-head screw can be inserted into the protrusion in the threaded area on the cable connection side of the plug body 2, thereby preventing the data cable 100 from twisting relative to the data cable-plug connector 1.

[0059] After exiting the cable sheath 107, the insulated first conductor 101 and second conductor 102 of the data cable 100 are introduced into the impedance transmitter 200 proposed in this invention. The impedance transmitter 200 rests against the stress relief clip 5 on the cable connection side, such that the line shield 103 is electrically clamped between the stress relief clip 5 and the impedance transmitter 200. For clarity, it should be noted that the data cable-plug connector of this invention does not necessarily have a data cable 100; the data cable 100 is therefore not necessarily part of this invention. In this case, the data cable-plug connector 1 is configured to accommodate a correspondingly common data cable 100. However, according to one embodiment, the data cable-plug connector 1 is also equipped with the removed data cable 100 shown for illustration.

[0060] On the plug connection side, the impedance transmitter 200 rests against the contact carrier 300. The impedance transmitter 200 has a shoulder between the contact surfaces on the cable connection side and the plug connection side. This shoulder rests against the misalignment portion of the plug shield 10, thereby limiting the movement of the impedance transmitter 200 toward the plug connection side 4, particularly by the misalignment portion of the plug shield 10.

[0061] like Figure 1 As shown, the first insulated wire 101 and the second insulated wire 102 are respectively introduced into the first connection guide 201 and the second connection guide 202. The connection guide 201 and the connection guide 202 are specifically formed by channels 205 in the form of through holes. The channels 205 are at the same angle to the central axis 11 of the data cable-plug connector 1 in the impedance transmitter 200. The resulting intermediate region, i.e., the region between the two channels 205, is filled with conductive material 204 according to the invention, preferably with conductive material 204 of the impedance transmitter 200.

[0062] Furthermore, a gap 203 is formed between the conductor insulation layer 106 of conductors 101 and 102 and the inner wall of channel 205. The gap 203 can be filled with a dielectric (i.e., non-conductive) material, particularly air. Preferably, this material has a dielectric constant ε that is different from the dielectric constant of impedance transmitter 200. R That is, it acts as an additional dielectric.

[0063] On the plug connection side, the first wire 101 and the second wire 102 are introduced into the contact carrier 300 or housed in the first contact 104 and the second contact 105 within the contact carrier 300. Here, the wire insulation layer 106 terminates at the end of the impedance transmitter 200, i.e., it ends when entering the contact carrier 300 or the contacts 104 and 105.

[0064] The contact carrier 300, preferably made of plastic material, has two channel openings 302. One of the contacts 104 and 105, namely the first contact 104 and the second contact 105, is arranged in each of these channel openings 302. The first wire 101 and the second wire 102 are connected to the first contact 104 and the second contact 105, respectively, for example, by crimping or welding.

[0065] Between the boundary of the plug connection side of the contact carrier 300 and the contact surface of the cable connection side having the impedance transmitter 200, the contact carrier 300 has a misalignment on its outer periphery. This misalignment abuts against the misalignment of the plug shield 10, thereby limiting the movement of the contact carrier 300 toward the plug connection side 4, particularly by the shoulder of the plug shield 10. The shoulder, in particular, prevents the contact carrier from undesirably escaping from the plug body 2 on the plug connection side. Furthermore, the positions of the misalignment of the contact carrier 300 and the plug shield 10 correspond to the misalignment in the outer periphery of the contacts 104, 105. This misalignment helps to keep the impedance of the data cable-plug connector 1 constant along its central axis 11, and thereby avoids related interference points during data transmission.

[0066] On the plug connection side, the contact carrier 300 has contact openings 301, each contact opening 301 corresponding to each channel opening 302, for introducing contacts of the plug (not shown), such as the plug pin contacts, which are inserted into the socket contacts of contacts 104, 105. However, the present invention is not limited to this configuration of the contacts.

[0067] The data cable-plug connector 1 is constructed symmetrically, wherein the axis of symmetry is formed through the central axis 11.

[0068] exist Figure 2 middle, Figure 1 The data cable-plug connector 1 shown is not cut in half. In addition to the plug body 2, cable connection side 3, plug connection side 4, and data cable 100, a second anti-torsion device 8 is shown in particular. This second anti-torsion device 8 has protrusions, particularly nipple-like protrusions, constructed on the contact carrier 300, and corresponding recesses in the plug shield 10 of the plug body 2. This prevents the contact carrier 300 from twisting within the plug body 2.

[0069] Figure 3An exploded view of a data cable-plug connector 1 according to an embodiment of the present invention is shown. In addition to the features already described above, the illustration shows that the impedance transmitter 200, in its assembled state, is at least partially located within the contact carrier 300, such that the protruding edges of the contact carrier 300 accommodate flat areas of the impedance transmitter 200. Because the contact carrier 300 is supported by a second anti-torsion device 8 to prevent torsion, the impedance transmitter 200 is also supported to prevent torsion in its assembled state.

[0070] exist Figure 3 The conductor shield 103 of the data cable 100 is shown in a flat (fully closed) position. However, since the conductor shield 103 is preferably made of a metal braid, such as an aluminum braid or an aluminum film, the description of the conductor shield 103 in this location is merely illustrative and not necessarily required to be a flat construction. In particular, the individual metal wires of the braid can be formed there. Preferably, the metal braid is placed on the entire surface of the shielded connection portion 9 in a conductive manner, that is, around the central axis of the data cable-plug connector 1 360°. According to the invention, this is better than a connection achieved through individual contacts to avoid interference.

[0071] In the assembled state, the first contact 104 and the second contact 105, arranged in the channel opening 302 of the contact carrier, have wing-shaped elements or locking plates. When the contacts 104 and 105 are introduced into the contact carrier 300 from the cable connection side 3, through... Figure 1 and Figure 4 The shoulder, visible within the channel opening 302, first presses the locking tabs together. Once contacts 104 and 105 are fully pressed into the channel opening 302, the locking tabs unfold and thus secure contacts 104 and 105 within the contact carrier 300. When connecting wires 101 and 102 to contacts 104 and 105, wires 101 and 102 are inserted into and secured in the openings on the cable connection side of contacts 104 and 105. Because contacts 104 and 105 remain within the channel opening 302, they cannot be pressed out of the contact carrier 300, for example, when plugging in a connector. Especially... Figure 4 The cross-sectional view reveals a misaligned portion in the channel opening 302, on which the locking plates of contacts 104 and 105 are supported.

[0072] Figures 5A to 5D Cross-sectional and uncross-sectional views, as well as views of different orientations, are shown of feasible embodiments of the impedance transmitter 200. In particular, Figure 5B and Figure 5CA channel 205, in the form of a through hole, is shown, arranged separately from each other by conductive material 204. Channel 205 is used to guide insulated wires 101 and 102. Specifically, when wires 102 are introduced into channel 205 in their assembled state, each of wires 101 and 102 has its own wire shield at that location due to the conductive material 204 arranged between them. This is an important feature to prevent impedance from changing with increasing spacing between wires 101 and 102.

[0073] The channel 205 of the impedance transmitter 200 is in Figures 5A to 5D The connectors are not arranged parallel to each other, but at a certain angle. As a result, the connector guides 201 are spaced further apart from each other in the direction of the plug connector side 4 than in the direction of the cable connector side 3. Figure 5C It is also shown that the through portions 205 of the first connection guide portion 201 and the second connection guide portion 202 pass into a common recess 206 on the cable connection side, which is formed by the surface of the shielded connection portion 9 of the impedance transmitter 200.

[0074] In the assembled state, this results in a very compact and extremely stable data cable-plug connector with the advantages of the present invention.

[0075] List of reference numerals in the attached diagram:

[0076] 1. Data cable - plug connector

[0077] 2. Plug body

[0078] 3. Cable connection side

[0079] 4. Plug connection side

[0080] 5 Stress relief clips

[0081] 6 tension nuts

[0082] 7 First anti-torsion device

[0083] 8 Second anti-torsion device

[0084] 9. Shielded connection part

[0085] 10. Plug shielding

[0086] 11. Central Axis

[0087] 100 data cable

[0088] 101 First Conductor

[0089] 102 Second Conductor

[0090] 103 Line shielding

[0091] 104 First Contact

[0092] 105 Second Contact

[0093] 106. Conductor insulation layer

[0094] 107 Cable Sheath

[0095] 200 Impedance Transmitter

[0096] 201 First Connection Guidance Section

[0097] 202 Second Connection Guide Section

[0098] 203 gap

[0099] 204 conductive material

[0100] 205 channels

[0101] 206 concavity

[0102] 300 contact carrier

[0103] 301 Contact Opening

[0104] 302 Channel Opening

Claims

1. A data cable-plug connector for data transmission, the data cable-plug connector comprising a plug body (2), the plug body having a cable connection side (3), a plug connection side (4), and a plug shield (10), wherein, The cable connection side (3) is configured to connect a shielded data cable (100), the data cable including at least one first insulated conductor (101) and a second insulated conductor (102) for data transmission and a line shield (103) surrounding the first insulated conductor (101) and the second insulated conductor (102), and the cable connection side has a first connection guide (201) for the first insulated conductor (101), a second connection guide (202) for the second insulated conductor (102) and a shielded connection (9) for the line shield (103); The plug connection side (4) includes a contact carrier (300) having a contact opening (301) for accommodating a first contact (104) and a second contact (105) capable of being connected to the first insulated wire (101) and the second insulated wire (102), wherein the contact opening (301) is arranged as a channel opening (302) in the contact carrier (300) extending parallel to the contact pitch in the axial direction of the data cable-plug connector (1); An impedance transmitter (200) made of conductive material (204) is arranged in the cable connection side (3) of the data cable-plug connector (1). A first connection guide (201) and a second connection guide (202) are constructed in the impedance transmitter, wherein at least a portion of the conductive material (204) is constructed between the first connection guide and the second connection guide, and wherein the impedance transmitter (200) is configured adjacent to the contact carrier (300). The openings of the first connection guide (201) and the second connection guide (202) facing the contact carrier (300) open into the channel opening (302) of the contact carrier (300). The plug body (2) has a cable inlet on the cable connection side (3) with a stress relief clip (5) and a tension nut (6), wherein the stress relief clip (5) is pressed onto the impedance transmitter (200) by tightening the tension nut (6), and the cable inlet and the connection guide (201, 202) are arranged opposite each other in the impedance transmitter (200), wherein the line shield (103) is pressed between the surface of the stress relief clip (5) facing the plug connection side (4) and the surface of the impedance transmitter (200) facing the cable connection side (3).

2. The data cable-plug connector according to claim 1, characterized in that, The distance between the first connection guide (201) and the second connection guide (202) changes relative to the axial direction of the data cable-plug connector (1).

3. The data cable-plug connector according to claim 1, characterized in that, The connection guides (201, 202) in the data cable-plug connector (1) are of the same length.

4. The data cable-plug connector according to claim 1, characterized in that, The first connection guide (201) and the second connection guide (202) are configured as non-parallel extending channels (205) in the impedance transmitter (200).

5. The data cable-plug connector according to claim 4, characterized in that, The inner diameter of the channel (205) is configured to be larger than the outer diameter of the insulated wires (101, 102) of the data cable (100), thereby forming a gap (203) between the insulated wires (101, 102) of the data cable (100) guided in the channel (205) and the impedance transmitter (200), the gap being filled with a non-conductive material.

6. The data cable-plug connector according to claim 1, characterized in that, The contact carrier (300) is made of a material having a defined dielectric constant ε. R It is made of plastic material.

7. The data cable-plug connector (1) according to claim 1, characterized in that, The contact carrier (300) is configured to accommodate the first contact (104) and / or the second contact (105) within the contact carrier (300), wherein the first contact and / or the second contact have a misalignment portion on the outer diameter at a first position in the axial direction of the data cable-plug connector (1), and for this purpose, the contact carrier (300) has a misalignment portion on the outer diameter at a second position in the axial direction of the data cable-plug connector (1).

8. The data cable-plug connector according to claim 4, characterized in that, By changing at least one of the following parameters: • Direction of the passage (205) • Dimensions of the gap (203) • The dielectric constant ε of the material filling the gap (203) R • Dielectric constant ε of the contact carrier (300) R • The first position of the misaligned portion in the outer diameter of the contacts (104, 105) • The second position of the misaligned portion in the outer diameter of the contact carrier (300) To adjust the impedance in the data cable-plug connector (1) so that the impedance in the data cable-plug connector (1) corresponds to a predetermined impedance value.

9. The data cable-plug connector according to claim 8, characterized in that, Using empirically determined parameters, in measurements performed with the aid of a time-domain reflectometer-measuring device, no impedance change or interference was observed in the data cable-plug connector (1) connected to the data cable (100), which would have interfered with data transmission at the desired data rate.

10. The data cable-plug connector according to claim 1, characterized in that, The shielding connection (9) for the line shield (103) is constructed on the impedance transmitter (200), and the impedance transmitter (200) is electrically connected to the plug shield (10).

11. The data cable-plug connector according to claim 1, characterized in that, The connecting guides (201, 202) pass into the common recess of the impedance transmitter (200).

12. The data cable-plug connector according to claim 1, characterized in that, The vehicle’s data cable (100) is connected to the cable connection side (3) of the data cable-plug connector (1), wherein the data cable (100) is connected to the vehicle’s vehicle data network.

13. An application of using the data cable-plug connector according to claim 1 to connect two insulated wires with different diameters.

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