DE202023103107U1 - Connector and connector system for a sewer inspection and/or maintenance system - Google Patents

Abstract

Connector (1) for a sewer inspection and/or maintenance system for operatively coupling a first optical fiber (10.1) arranged in the connector to a second optical fiber (10.2) arranged in a mating connector (2), wherein
- the connector (1) comprises a connector housing (20) in which a recess (21) for receiving an optical fiber housing (22) is formed,
- the first optical fiber (10.1) is arranged in the optical fiber housing (22), the first optical fiber (10.1) being fixed in the optical fiber housing (22),
- The first optical waveguide (10.1) on the coupling side
- Has a lens (23) through which light
- Can be decoupled from the first optical waveguide (10.1) or
- Can be coupled into the first optical waveguide (10.1), or
- has a contact surface which corresponds to a contact surface of the second optical waveguide (10.2) arranged in the mating connector (2), and
- The optical waveguide housing (22) is accommodated in the recess (21).

Description

field of invention

The invention relates to a connector for a sewer inspection and/or maintenance system with an optical fiber arranged in the connector and a connector system consisting of two connectors.

Background of the Invention

Until now, sewer inspection and maintenance systems have been implemented using copper transmission links. However, these have a limited bandwidth, which means that high-resolution video signals can only be transmitted with great effort and only in compressed form. There is usually a detachable electrical interface between the carriage of a sewer inspection and maintenance system and the cable that is routed out of the sewer. These connector interfaces are designed to be robust for use in pipe and duct systems.

Due to the ever-increasing bandwidths required for data transmission (e.g. for higher-resolution image and/or video data), the transmission path is increasingly being switched from copper to fiber optics. The requirements for the detachable connection between the line and the trolley are still the same. Glass fiber connectors with direct fiber contact do not meet these requirements. In addition, such a connection places very high demands on the manufacturing tolerances (the axial and radial misalignment must be in the single-digit µm range). With normal manufacturing techniques, fiber optic connectors with such manufacturing tolerances are not practicable. In addition, such fiber optic connectors are very sensitive to dirt.

In order to avoid the problems mentioned above for fiber optic plug-in connections, the fiber optic line can be converted into a copper transmission line before the coupling, so that the connector interface itself is designed as an electrical interface. However, this approach has the disadvantage that appropriate electronics must be placed between the fiber optic link and the connector interface (usually in the connector housing), which leads to larger dimensioned connector housings. Larger connector housings, on the other hand, can reduce the possible area of application, for example when sliding systems are to be used for tubes with small diameters.

object of the invention

The object of the present invention is therefore to provide an optical fiber connector for sewer inspection and/or maintenance systems which at least partially avoids the disadvantages mentioned above and enables an improved and secure coupling of a cable to an optical fiber for data transmission.

Solution according to the invention

This problem is solved with a plug and a plug system according to the independent claims. Advantageous refinements of the invention are specified in the respective dependent claims.

• - der Stecker ein Steckergehäuse umfasst, in dem eine Aussparung zur Aufnahme eines Lichtwellenleitergehäuses ausgebildet ist,
• - in dem Lichtwellenleitergehäuse der erste Lichtwellenleiter angeordnet ist, wobei der erste Lichtwellenleiter in dem Lichtwellenleitergehäuse fixiert ist,
• - der erste Lichtwellenleiter koppelseitig
  • - eine Linse aufweist, über die Licht aus dem ersten Lichtwellenleiter auskoppelbar oder in den ersten Lichtwellenleiter einkoppelbar ist, oder
  • - eine Kontaktfläche aufweist, die mit einer Kontaktfläche des im Gegenstecker angeordneten zweiten Lichtwellenleiters korrespondiert, und
• - das Lichtwellenleitergehäuse in der Aussparung aufgenommen ist.

Accordingly, a connector is provided for a sewer inspection and/or maintenance system for the operative coupling of a first optical waveguide arranged in the connector to a second optical waveguide arranged in a mating connector, wherein

• - the connector comprises a connector housing in which a recess for receiving an optical fiber housing is formed,
• - the first optical fiber is arranged in the optical fiber housing, the first optical fiber being fixed in the optical fiber housing,
• - the first optical waveguide on the coupling side
  • - Has a lens via which light can be coupled out of the first optical waveguide or into the first optical waveguide, or
  • - has a contact surface which corresponds to a contact surface of the second optical waveguide arranged in the mating connector, and
• - the optical fiber housing is accommodated in the recess.

• - an dem im Stecker angeordneten freien Ende des ersten Lichtwellenleiters eine Linse angeordnet, über die Licht aus dem ersten Lichtwellenleiter auskoppelbar oder in den ersten Lichtwellenleiter einkoppelbar ist, oder
• - das im Stecker angeordnete freie Ende des ersten Lichtwellenleiters als Kontaktfläche ausgestaltet, die mit einer Kontaktfläche des im Gegenstecker angeordneten zweiten Lichtwellenleiters korrespondiert, wobei über die Kontaktfläche die optische Signalübertragung abgewickelt wird.

"Coupling side" refers here to that end or that side of the connector that faces the mating connector for coupling the connector to the mating connector, i.e. the free end of the optical fiber arranged in the connector. In other words,

• - Arranged at the plug-in free end of the first optical waveguide a lens via which light can be decoupled from the first optical waveguide or can be coupled into the first optical waveguide, or
• - The arranged in the connector free end of the first optical fiber designed as a contact surface with a contact surface of the im Mating connector arranged second optical waveguide corresponds, wherein the optical signal transmission is handled via the contact surface.

By fixing the first optical waveguide in the optical waveguide housing, the radial offset of the free end of the first optical waveguide relative to the free end of the second optical waveguide of the mating connector can be minimized or optimized, in particular when the connector housing of the connector can be coupled with the connector housing of the mating connector in a radially form-fitting manner, i.e. the connector in the coupled state cannot be moved radially relative to the mating connector.

In one embodiment of the invention, the optical waveguide housing can be axially displaceable in the recess. In this way, the radial offset of the free end of the first optical waveguide relative to the free end of the second optical waveguide of the mating connector can be minimized or optimized. Together with the fixation of the first optical waveguide in the optical waveguide housing, both the axial and the radial offset of the free end of the first optical waveguide relative to the free end of the second optical waveguide of the mating connector can be minimized or optimized. The connector interface itself no longer has to be designed as an electrical interface. In contrast to the very low manufacturing tolerances, significantly larger tolerances are possible here without impairing the optical signal transmission.

A spring element which acts on the optical fiber housing and with which the optical fiber housing can be displaced axially (in the direction of the coupling side) can be arranged in the recess. In the coupled state of the connector, this ensures that the free end of the first optical waveguide or the lens arranged thereon does not exceed a predetermined axial distance from the second optical waveguide of the mating connector, or that this distance is minimized in the coupled state.

It can be advantageous if the optical waveguide housing is accommodated in the cutout so that it cannot rotate. This applies in particular when the free ends of the first and second optical waveguide are designed as contact surfaces that are not perpendicular to the longitudinal axis of the optical waveguide (e.g. optical waveguides whose ends have a bevel). This ensures that the position of the opposing contact surfaces does not change in the coupled state.

In one embodiment of the invention, a first electrical conductor can be arranged in the connector housing (optional), which can be coupled to a second electrical conductor arranged in the mating connector, in order to handle a supply of electrical energy via it. Both optical data transmission and the supply of electrical energy can be handled with one and the same connector. In addition or as an alternative, the first electrical conductor can also be used for data transmission (for example for data that only requires a small bandwidth).

As an alternative or in addition to the first electrical conductor, mechanical interfaces can also be provided in the connector housing, which correspond to or can be coupled to corresponding mechanical interfaces in the mating connector. For example, a compressed air interface or a fluid interface can be provided in one and the same plug.

The first electrical conductor can have a coupling element (e.g. a pin) on the coupling side, which corresponds to a coupling element (e.g. a sleeve) of the second electrical conductor of the mating connector.

It can be advantageous if the connector is designed to be connected to the mating connector in a torsion-proof manner relative to the mating connector, with the connector housing having an anti-twist device which corresponds to an anti-twist device of the connector housing of the mating connector. On the one hand, this ensures that the connector and mating connector can only be coupled in such a way that the optical waveguide housings of the connector and mating connector are correctly aligned with one another in the axial direction. Together with the torsion-proof arrangement of the optical fiber housing in the recess of the connector housing, reliable optical data transmission can be guaranteed. In addition, there is no need for complex sliding contacts for transmitting electrical energy, such as those that have to be implemented with plugs that can be rotated relative to one another.

In one embodiment of the invention, at least two recesses can be formed in the connector housing, each for accommodating an optical fiber housing, with the at least two recesses being offset from one another and with preferably at least one of the two recesses also not being arranged coaxially with respect to the connector housing. This means that several optical transmission paths that are independent of one another can be implemented with just one connector.

It can be advantageous if the connector housing is gas- and fluid-tight.

In one embodiment, it can be provided that the connector housing can be coupled to a connector housing of the mating connector in a gas-tight and fluid-tight manner. This prevents dirt or liquid from getting into the area of the optical coupling points during operation.

According to an embodiment of the invention, the lens may be a ball lens adapted for beam expansion. Other forms of lenses that allow suitable beam expansion can also be used in accordance with the present invention.

The invention also provides a connector system with a connector according to the invention and a mating connector, the mating connector being designed in accordance with the connector according to the invention, the connector, in particular the connector housing of the connector, being able to be coupled to the mating connector, in particular the connector housing of the mating connector, the optical fiber housings of the connector and of the mating connector being arranged in the respective connector housing such that when the connector and mating connector are in the coupled state, the lenses of the optical fibers or the contact surfaces of the optical fibers are arranged relative to one another in such a way that optical data transmission can be handled by them.

character list

• 1 einen Stecker und einen dazugehörigen Gegenstecker eines erfindungsgemäßen Steckersystems in einer perspektivischen Ansicht;
• 2 eine Schnittansicht (entlang der Längsachse) eines erfindungsgemäßen Steckersystems mit Lichtwellenleitergehäusen, die nicht federnd gelagert sind;
• 3 eine Schnittansicht (entlang der Längsachse) eines erfindungsgemäßen Steckersystems mit Lichtwellenleitergehäusen, die federnd gelagert sind;
• 4 zeigt ein Lichtwellenleitergehäuse eines erfindungsgemäßen Steckers in einer perspektivischen Ansicht (Abbildung (a)) und in einer Schnittansicht entlang der Längsachse (Abbildung (b)), und eine vergrößerte Ansicht des koppelseitigen Endes des Lichtwellenleitergehäuses (Abbildung (c));
• 5 ein Beispiel einer konkreten Verwendung eines erfindungsgemäßen Steckersystems an einem Schiebeaal eines Kanalinspektionssystems; und
• 6 ein weiteres Beispiel einer konkreten Verwendung eines erfindungsgemäßen Steckersystems an einem Fahrwagen eines Kanalinspektionssystems.

Further details and features of the invention as well as concrete, particularly advantageous exemplary embodiments of the invention result from the following description in conjunction with the drawing. It shows:

• 1 a connector and an associated mating connector of a connector system according to the invention in a perspective view;
• 2 a sectional view (along the longitudinal axis) of a connector system according to the invention with optical fiber housings that are not resiliently mounted;
• 3 a sectional view (along the longitudinal axis) of a connector system according to the invention with optical fiber housings, which are resiliently mounted;
• 4 shows an optical fiber housing of a connector according to the invention in a perspective view (figure (a)) and in a sectional view along the longitudinal axis (figure (b)), and an enlarged view of the coupling-side end of the optical fiber housing (figure (c));
• 5 an example of a specific use of a connector system according to the invention on a sliding eel of a sewer inspection system; and
• 6 another example of a specific use of a connector system according to the invention on a carriage of a sewer inspection system.

Detailed description of the invention

1 shows a connector (figure (a)) and an associated mating connector (figure (b)) of a connector system according to the invention in a perspective view.

The connector 1 and the mating connector 2 are essentially designed in such a way that they can be coupled to one another in such a way that an optical data transmission and, depending on the further configuration, also a transmission of electrical energy can be carried out between them. In one embodiment of the invention, the connector 1 and the mating connector 2 can be detachably coupled.

The connector 1 and the mating connector 2 each have a connector housing 20 in which an optical fiber housing 22 is arranged. In 1 the end of the optical waveguide housing 22 on the coupling side can be seen. The coupling-side end is in 1 marked with the reference “A”.

The optical waveguide housing 22 can be fixedly arranged in the connector housing 20 . Alternatively, provision can be made for the optical fiber housing 22 to be arranged in a recess provided for this purpose in the connector housing, with this recess and the optical fiber housing being designed in such a way that the optical fiber housing can be moved in the axial direction (along the X axis) in the recess (as in figure (b) of the 2 shown).

An optical waveguide 10 is arranged in the optical waveguide housing 22, the free end of which is located at the end A of the optical waveguide housing 22 on the coupling side. The optical fiber housing 22 is described with reference to FIG 2 described in more detail.

The connector housing 20 can be designed in such a way that they can be coupled to one another in a largely fluid-tight and/or gas-tight manner. This prevents dirt or liquids from getting between the plug 1 and the mating plug 2 in the coupled state during operation, which can affect the function, in particular the optical data transmission. For this purpose, it can be provided on the coupling-side end A of the plug 1 and/or the mating connector 2 a (in 1 not shown) to provide a radially circumferential seal.

The connector system according to the invention, consisting of a connector 1 and a mating connector 2, can have locking means with which the connector 1 can be arrested on the mating connector 2 in order to prevent the connector 1 from being unintentionally released from the mating connector 2. Particularly in the field of sewer inspection and/or maintenance, (axial) tensile forces can act on the connector system, which can lead to the connector detaching from the mating connector if it is not properly locked. According to the invention, for example, the connector 1 can be arranged on a camera system and the mating connector 2 can be arranged on a free end of a sliding eel (such as in 5 shown) - when the pusher eel is pulled out of the canal, the camera can detach from the pusher eel without the appropriate locking device, for example if the camera gets caught in the canal. Advantageously, the lock can be designed in such a way that when the two plugs are coupled, they are automatically locked, but when the plugs are released, the lock must be released manually.

At the in 1 shown embodiment of the connector system according to the invention are in the housing 20 in addition to the optical fiber housing 22 and electrical conductors 25 are arranged, the first electrical conductor 25.1 of the connector 1 with the second electrical conductor 25.2 of the mating connector 2 is operatively coupled. The electrical conductors can be provided for handling the power supply. Alternatively or additionally, the electrical conductors can also be used for data transmission. For example, it can be advantageous to handle a video data transmission that requires a high bandwidth via the optical waveguides and a transmission of simple sensor data via the electrical conductors. The two electrical conductors 25.1, 25.2 can be coupled using coupling systems that are known per se, for example by means of a pin and a correspondingly adapted sleeve, as in 1 too shown. The coupling of the electrical conductors is advantageously designed in such a way that they meet the explosion protection requirements.

Alternatively, the two electrical conductors 25.1, 25.2 can also be coupled capacitively or inductively, depending on the requirement.

In addition or as an alternative to the electrical conductors 25.1, 25.2, mechanical interfaces can also be provided, which make it possible, for example, to transfer compressed air or liquids from one plug 1 to the other plug 2.

In 1 a connector system is shown in which each connector has two optical fiber housings, so that two optical transmission paths can be provided. According to the invention, however, it is also possible to provide only one optical fiber housing in each connector—in this case, the optical fiber housing can be arranged concentrically, ie in the longitudinal axis X, in the connector housing. However, more than two optical waveguide housings can also be provided in each case.

The number of fiber optic housings in the two connectors and thus the number of fiber optic cables do not have to be identical. For example, one connector can have two optical fiber housings and the other connector can only have one optical fiber housing. When coupling the two connectors, the two optical fibers that correspond to one another can be used operationally while the second optical fiber of one connector is "dead". This can be used, for example, on a trolley (as in 5 shown) a universal plug can be provided which has a multiplicity of optical waveguide housings and thus a multiplicity of optical waveguides, to which plugs which also have fewer optical waveguides can be coupled. For example, different camera systems can be coupled to the vehicle, which provide different numbers of video signals and which are each to be transmitted via separate optical transmission paths.

The connector housing 20 can be designed in such a way that in the coupled state they are secured against rotating (about the longitudinal axis X) relative to one another. Corresponding anti-rotation locks 27 can be provided on the connector housings 20 for this purpose. A type of anti-rotation device, as in 1 shown, consists of a protruding nose on a connector housing, which engages in a corresponding recess on the other connector housing. The anti-twist device is advantageously designed in such a way that the two plugs can only be coupled to one another in one position relative to one another. So that on the one hand we prevent twisting relative to one another. On the other hand, this avoids incorrect coupling of the two connectors, which is particularly important when several optical fiber housings are arranged in the connector housings or when there is only one optical fiber housing in the connector housings and this is not arranged concentrically. If there is only one concentrically arranged optical waveguide housing and electrical conductors which engage in one another during coupling, an anti-twist device may be dispensed with.

2 and 3 each show sectional views (parallel to the longitudinal axis X) of two connector systems according to the invention with optical fiber housings, in which 2 the fiber optic housing not resilient and in 3 are spring-mounted.

Recognizable here are the recesses 21 in the plug housings 20 in which the optical waveguide housings 22 are arranged.

In the case of the non-sprung version (as in 2 shown), it can be provided that the optical waveguide housing 22 is fixed, ie cannot be moved, to be arranged in the recess. However, this is only optional.

According to the 3 shown embodiment, the optical waveguide housing 22 is spring-mounted in the recess 21, a compression spring being arranged in the recess 21 here. The optical waveguide housing 22 is arranged in the recess 21 so that it can move in the axial direction. The compression spring is arranged relative to the optical fiber housing 22 in such a way that it can apply a spring force to the optical fiber housing 22, which causes the optical fiber housing to be pressed in the recess 21 in the direction of the coupling-side end A of the plug. The spring is dimensioned such that it yields above a certain force, which acts against the spring force of the spring, so that the optical fiber housing is moved in the opposite direction (against the spring force) in the recess 21 .

• Erstens kann so gewährleistet werden, dass die Lichtwellenleitergehäuse 22 bei miteinander gekoppelten Steckern einen bestimmten axialen Minimalabstand nicht überschreiten, was sich positiv auf die optische Datenübertragung auswirkt, wenn an den freien Enden der Lichtwellenleiters Linsen 23 vorgesehen sind.

The provision of a compression spring has two main advantages:

• Firstly, it can be ensured in this way that the optical waveguide housing 22 does not exceed a certain minimum axial distance when connectors are coupled to one another, which has a positive effect on the optical data transmission if lenses 23 are provided at the free ends of the optical waveguide.

Secondly, in the case of optical waveguides whose free ends are designed as contact surfaces for optical signal transmission, it can be ensured that the contact surfaces touch, regardless of any manufacturing tolerances of the connector housing, without the contact surfaces being damaged.

In 3 compression coil springs are shown. According to the invention, other spring systems suitable for this purpose can also be provided.

are shown in 2 and 3 also the two in 1 shown electrical conductor 25.

4 shows an optical fiber housing 22 of a connector according to the invention in a perspective view (figure (a)) and in a sectional view along the longitudinal axis (figure (b)), and an enlarged view of the coupling-side end of the optical fiber housing (figure (c)).

In the optical fiber housing 22, an optical fiber 10 is fixed, which is guided into the rear of the optical fiber housing. The free end of the optical waveguide 10 is located at the coupling-side end A.

At the in 4 In the embodiment shown, a lens 23 is arranged on the coupling-side end A of the optical waveguide housing 22 and is operatively coupled to the free end of the optical waveguide 10 . The lens is selected in such a way that it has a suitable beam expansion in order to couple light out of the optical waveguide or to couple light into the optical waveguide.

Instead of a lens 23, the free end of the optical waveguide can also be designed as a contact surface. In this case, for example, an oblique cut can be provided. The contact surface is designed in such a way that it corresponds to the contact surface of the other optical waveguide. In this context, “correspond” means that the contact surfaces of two coupled optical waveguides are designed and arranged relative to one another in such a way that optical data transmission can be handled via them.

The optical waveguide housing 22 can have an optional anti-twist device 26 , for example a recess (or projection) which corresponds to a projection (or recess) arranged in the recess 21 of the connector housing 20 . The anti-twist device prevents the optical fiber housing 22 from rotating in the cutout 21 of the plug housing 20 . This is particularly advantageous when the free end of the optical waveguide is designed as a contact surface where rotation of the contact surface (about the longitudinal axis X) can lead to disruption of optical data transmission or even damage to the optical waveguide.

5 shows an example of a specific use of a connector system according to the invention on a sliding eel of a sewer inspection system.

A camera system 30 is arranged at the front end of a sliding eel 40 which is placed in a canal or pipe. According to the invention, the camera system 30 is coupled to the front end of the sliding eel via a connector system according to the invention. For this are at the front At the end of the sliding eel, a plug 1 according to the invention and a mating plug 2 according to the invention are arranged on the camera system.

The fiber optic cable can be routed to plug 1 via the core of the slide.

6 shows another example of a specific use of a connector system according to the invention on a carriage of a sewer inspection system.

The carriage 50, which is placed in a sewer, has a camera system 30 at the front end, which is coupled to the carriage via a connector system according to the invention, with a connector 1 according to the invention being arranged on the carriage and a mating connector 2 according to the invention being arranged on the camera system 30.

The trolley here has a lifting system 52, at the free end of which another camera system 30 is arranged, which is coupled to the lifting system 52 via a connector system according to the invention, with a connector 1 according to the invention being arranged on the lifting system and a mating connector 2 according to the invention being arranged on the camera system 30.

A cable 51 is fastened to the rear of the carriage 50, which is led out of the channel and is intended for optical data transmission. In addition, the cable 51 can also be provided for a power supply. The cable 51 is coupled to the carriage 50 via a connector system according to the invention, with a connector 1 according to the invention being arranged on the carriage and a mating connector 2 according to the invention being arranged on the cable 51 .

The connector arranged on the back of the trolley is connected via optical fibers 10 to the connector on the lifting system on the one hand and to the connector on the front of the trolley on the other hand. At the in 5 In the application example shown, it can be advantageous to provide two optical fiber housings for the connector system arranged on the back of the trolley, with the optical fiber of one optical fiber housing being connected to the connector on the lifting system and the optical fiber of the other optical fiber housing being connected to the connector on the front of the trolley. Correspondingly, two optical fibers can be provided in the cable 51 so that video signals from the camera on the lifting system can be optically transmitted via one optical fiber and video signals from the camera on the front of the trolley can be optically transmitted via the other optical fiber. The plugs on the lifter and on the front of the trolley must therefore each have only one optical fiber housing.

With the connector system according to the invention, it is also possible to transmit data bidirectionally via the optical waveguides.

The connector system according to the invention can be made extremely robust. At the same time, the requirements for the manufacturing tolerances can be reduced without having a negative effect on the optical transmission, which is achieved by the anti-twist devices and the spring-loaded mounting of the fiber-optic cable housings in the connector housings.

Reference List

A

Coupling side or coupling side

X

axis

1

Plug

2

mating connector

10

optical fiber

10.1

first optical fiber

10.2

second optical fiber

20

connector housing

21

Recess in connector housing 20

22

Optical fiber housing in recess 21

23

Lens at the coupling-side end of the optical waveguide 10.1, 10.2

24

Spring element in the recess 21

25

electrical conductors

25.1

first electrical conductor

25.2

second electrical conductor

26

Anti-twist device on the optical fiber housing 22

27

Anti-twist device on the connector housing 20

30

camera system

40

pusher eel

50

trolley

51

Cable

52

lifting system

Claims (11)

Connector (1) for a sewer inspection and/or maintenance system for operatively coupling an im connector arranged first optical waveguide (10.1) with a second optical waveguide (10.2) arranged in a mating connector (2), wherein - the connector (1) comprises a connector housing (20) in which a recess (21) for receiving an optical waveguide housing (22) is formed, - the first optical waveguide (10.1) is arranged in the optical waveguide housing (22), the first optical waveguide (10.1) being fixed in the optical waveguide housing (22). - the first optical fiber (10.1) on the coupling side - has a lens (23) via which light - can be decoupled from the first optical fiber (10.1) or - can be coupled into the first optical fiber (10.1), or - has a contact surface which corresponds to a contact surface of the second optical fiber (10.2) arranged in the mating connector (2), and - the optical fiber housing (22) is accommodated in the recess (21). plug after claim 1 , wherein the optical fiber housing (22) in the recess (21) is axially displaceable. plug after claim 2 , A spring element (24) acting on the optical waveguide housing (22) being arranged in the recess (21) and with which the optical waveguide housing (22) can be displaced axially. plug after claim 1 , wherein the optical waveguide housing (22) is held in the recess (21) so that it cannot rotate. plug after claim 1 , wherein a first electrical conductor (25.1) is arranged in the connector housing (20) and can be coupled to a second electrical conductor (25.2) arranged in the mating connector (2) in order to supply electrical energy via it. Plug according to the preceding claim, in which the first electrical conductor (25.1) has a coupling element on the coupling side which corresponds to a coupling element of the second electrical conductor (25.2). plug after claim 1 , wherein the plug is designed to be connected to the mating plug in a torsion-proof manner relative to the mating plug (2), the plug housing (20) having an anti-rotation lock (27) which corresponds to an anti-rotation lock of the plug housing of the mating plug (2). plug after claim 1 wherein in the plug housing (20) at least two recesses (21) are formed to each receive an optical fiber housing (22), wherein the at least two recesses (21) are arranged non-coaxially and offset to one another. plug after claim 1 , wherein the plug housing (20) is gas-tight and fluid-tight. plug after claim 1 , The connector housing (20) being gas-tight and fluid-tight with a connector housing of the mating connector (2) can be coupled. Connector system with a connector (1) according to one of the preceding claims and a mating connector (2), the mating connector being configured according to one of the preceding claims, the connector housing of the connector being able to be coupled to the connector housing of the mating connector, the optical fiber housings of the connector and of the mating connector being arranged in the respective connector housing such that when the connector and mating connector are in the coupled state, the lenses of the optical fibers or the contact surfaces of the optical fibers are arranged relative to one another in such a way that optical data transmission can be carried out via them.

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