EP3872931A1 - Connection element for a light diode strip - Google Patents

Abstract

A connection connecting element (1) is provided for the mechanical arrangement and electrical connection with a light-emitting diode strip (2), with a receiving body (11) with a bottom wall (12) and side walls (13) extending from the bottom wall (12) and one of the Bottom wall (12) and the side walls (13) formed, in particular elongated inner recess (14) and at least one, starting from the bottom wall (12) in the direction of the in particular elongated inner recess (14) extending contact means receptacle (15) for contact means (16) ).

Description

The present invention relates to a connection connecting element for the mechanical arrangement of and electrical connection with a light-emitting diode strip according to the preamble of claim 1. Furthermore, the invention relates to a system with a connection connecting element and a light-emitting diode strip according to the preamble of claim 15. Finally, the invention also relates to a method for forming a mechanical and electrically conductive connection between a connection connecting element and a light-emitting diode strip according to the preamble of claim 19.

The above-mentioned light-emitting diode strip can be a flexible light-emitting diode strip which is provided, for example, for lighting purposes in a building. Such a light-emitting diode strip can have a considerable longitudinal extent, so that the situation can also arise that intermediate feeds may be necessary for supplying current or voltage to the light-emitting diodes. A light-emitting diode strip that appears to the viewer as a continuous or one-piece strip can also be composed of several light-emitting diode strips, so that there is a need to provide a connection element between the individual light-emitting diode strips, with the connection connecting element is intended to simultaneously provide the supply of the light-emitting diode strips with current or voltage via the connection point. There is also a need to provide a connection connecting element in order to enable an initial feed of current or voltage into a first or individual light-emitting diode strip.

A light-emitting diode strip, as mentioned above, often has two or more copper tracks or copper layers extending along the longitudinal direction of the light-emitting diode strip, which are provided on a flexible printed circuit board, on which the light-emitting diodes are, for example, using chip-on-board (COB) technology or SMD technology can be mounted.

Based on the publication EP 2 037 723 A2 LED contacting has become known which provides for mechanical fastening of an LED module to a supporting layer having two conductive layers by means of two self-tapping screws. A mechanical and electrical connection of a connection connecting element to a light-emitting diode strip, as explained above, has not been described by this document.

The connection element mentioned at the outset is intended to provide both a mechanical connection option for the connection element itself on the light-emitting diode strip, as well as serve as a connection element between adjacent light-emitting diode strips, and also serve as a connection element for the intermediate feeds of light-emitting diode strips.

The present invention is therefore based on the object of providing a connection connecting element which meets the above requirements. A system with the connection element to be created and a light-emitting diode strip is also to be provided, and a method for forming a mechanical and electrically conductive connection between the connection element to be created and the light-emitting diode strip is to be provided.

In order to achieve this object, the invention has the features according to claim 1 with regard to the connection connecting element. Advantageous embodiments thereof are described in the further claims.

In addition, in order to achieve this object, the invention has the features according to claim 15 with regard to the system, with advantageous refinements thereof being described in the further claims.

In addition, the invention has the features of claim 19 with regard to the method.

The invention creates a connection connecting element for the mechanical arrangement of and electrical connection with a light-emitting diode strip and is characterized by a receiving body with a bottom wall and lateral side walls extending from the bottom wall and an inner recess formed by the bottom wall and the side walls and at least one extending from the bottom wall starting in the direction of the inner recess extending contact means receptacle for contact means.

The possibility of a mechanical arrangement, which can involve receiving a light-emitting diode strip in the inner recess of the connection connecting element according to the invention, makes it possible to use a light-emitting diode strip which, for example, is pulled off a roll at the installation site and simply cut to length or cut off without the need To have to carry out further work on the light-emitting diode strip to prepare the light-emitting diode strip, to physically connect the connection connecting element to the light-emitting diode strip. The inner recess can be an elongated inner recess.

This physical connection ensures that the connection connecting element is also held or fastened at the same time, for example, by means of holding means at the mounting location or connection location is fastened without it having to be held or fastened separately with its own holding means at the connection location or assembly location.

It is thus created the possibility of mechanically connecting the connection element at the installation site or connection location in situ with the light-emitting diode strip and, since the connection element is also designed to make electrical contact with the light-emitting diode strip to supply it with current and / or voltage, at the same time providing the supply of the LED strip brought about with electrical energy.

Functional integration is thus achieved through the inventive design of the connection connection element, since both the mechanical connection of the connection element for the electrical energy supply of the light-emitting diode strip is realized on site, i.e. in situ at the connection location or assembly location, and an element or component, namely the connection connection element for realized the electrical energy supply of the light-emitting diode strip.

This makes it possible to bring a light-emitting diode strip, which is manufactured without a connection option for the electrical energy supply, wound up on a roll to the connection location or assembly location and to provide it there in situ with a connection means via which the electrical energy supply is provided at the connection location or assembly location will. So there is no need for any preparatory work for the subsequent electrical energy supply at the installation site or connection location to be carried out on the light-emitting diode strip wound on a roll, since the electrical contact between the connection element and the light-emitting diode strip is simultaneously brought about via the mechanical connection of the connection connecting element with the light-emitting diode strip, so that via the For example, connection connection element provided with connection means can then be fed into the light-emitting diode strip.

This procedure has the advantage that the light-emitting diode strip is pulled off the roll in any length and cut to length at the installation site or connection site without the need to perform connection work on the light-emitting diode strip beforehand for attaching a component to produce an electrical energy supply for the light-emitting diode strip.

This procedure considerably facilitates the quick and error-free connection of such a component to bring about an electrical energy supply to the light-emitting diode strip at the connection location or installation site and therefore also represents a very cost-effective solution for connecting such a component to the light-emitting diode strip.

According to a development of the invention, it is provided that the contact means receptacle has an inner recess which penetrates the bottom wall and extends into the area of the, in particular, elongated inner recess of the connection connecting element and, in the inner recess of the contact means receptacle, contact means for establishing an electrical connection between the connection connecting element and the light-emitting diode strip are recordable.

A contact means or contact means in the form of, for example, elongated contact means can be inserted into the inner recess of the contact means receptacle, and the complete and intended arrangement of the contact means in the inner recess then ensures that an electrically conductive connection is established between the connection connecting element and the light-emitting diode strip. In addition, the contact means (s) also creates a mechanical connection between the light-emitting diode strip and the connection connecting element at the same time, so that the connection connecting element brings about both a mechanical connection and an electrical connection between the connection connecting element and the light-emitting diode strip according to the above-mentioned object.

According to a further development of the invention, it is also provided that the connection connecting element has an electrically conductive contacting device on which the contact means can be brought into contact and that of the contact means receptacle accommodated contact means extends into the area of the inner recess of the connection connecting element.

The electrically conductive contacting device can be, for example, a circuit board integrated into the receiving body of the connection connecting element in the form of a rigid circuit board or a flexible circuit board that has at least one copper layer or copper layer or, in general, has an electrically conductive coating with which the Contact means can come into abutment or into engagement in order to bring about an electrically conductive connection between the electrically conductive contacting device and the contact means. Instead of the above-mentioned circuit board, a very generally electrically conductive device in the form of a sheet metal strip, for example, can also be provided.

Thus, for example, the conductive contacting device can be a circuit board with copper layers formed on both surfaces of the circuit board, via which electrical energy can be transmitted from the connection connecting element to the contact means and the contact means extending into the area of the inner recess of the connection connecting element Contact means can thus transmit the energy to the light-emitting diode strip arranged in the inner recess of the connection connecting element.

The contact means (s) extending into the inner recess of the connection connecting element can be in contact with an electrically conductive connection component of the light-emitting diode strip and thus forward electrical energy to the light-emitting diode strip.

According to a further development of the invention, a sealing device is provided in the area between the inner recess of the connection element and the contact means receptacle, which is designed to be penetrable by the contact means and can be designed with a protrusion extending into the inner recess.

This sealing device between the contact means receptacle and the inner recess of the connection connecting element ensures that the light-emitting diode strip accommodated in the inner recess comes to rest on the sealing device and thus the formation of the sealing element with a protrusion into the inner recess ensures that the sealing element is preloaded and thus the sealing effect of the sealing element is improved. This ensures that the connection connection element can achieve a high IP protection class for the system with connection connection element and light-emitting diode strip.

According to a further development of the invention, it is also provided that the bottom wall of the receiving body has at least one rib-shaped elevation which is arranged largely transversely to the longitudinal direction of the inner recess and protrudes over the bottom wall on an upper side oriented towards the inner recess.

This rib-shaped elevation or transverse rib - of which more than one can also be provided along the longitudinal extension of the inner recess of the connection connecting element - in the inner recess ensures that the light-emitting diode strip arranged in the inner recess with its underside of the, for example, channel-shaped receiving extrudate, in which a light-emitting diode strip with the thereon arranged light-emitting diodes is arranged, rests on the transverse rib and thus the tensile force that can be transmitted from the light-emitting diode strip to the connection connecting element is increased. This in turn ensures that a robust connection surface is provided between the connection connecting element and the light-emitting diode strip.

Because the contact means or the contact means extend into the inner recess of the receiving body and penetrate the light-emitting diode strip into the area of the potting compound of the light-emitting diodes and thereby also touch or enforce the electrically conductive connection means of the light-emitting diode strip, the tensile force between the connection element and the Light-emitting diode strip can act without damaging or closing the mechanical and / or electrical connection between the connection connecting element and the light-emitting diode strip affect, a mechanically as well as electrically robust and reliable connection between the connection connecting element and the light-emitting diode strip is achieved. Due to the sealing element already mentioned above between the contact means receptacle and the inner recess of the receptacle body, this connection is also made dust-tight and with a high IP protection class, so that the system can also be functionally integrated in damp and dirty ambient conditions.

According to a development of the invention, it is also provided that at least one of the side walls of the receiving body is arranged at an angle of less than 90 degrees relative to the bottom wall and the inner recess has a cross-sectional configuration from the area of the bottom wall to an upper side of the inner recess. In this way, one side wall or both side walls can be configured relative to the bottom wall in such a way that in a cross-sectional view a configuration of the inner recess that tapers upwards from the bottom wall is established, so that the light-emitting diode strip introduced into the inner recess is also connected to one of the or the clamping effect exerted on the side walls is applied, so that the connection area between the connection connecting element and the light-emitting diode strip can absorb high tensile forces.

According to a further development of the invention, it is also provided that the side walls on the outer surfaces opposite the inner recess are provided with a respective longitudinally extending rib which is designed for releasable engagement with a cover overlapping the inner recess.

This configuration ensures that the cover can be attached over the inner recess receiving the light-emitting diode strip and thus additional mechanical protection against the ingress of dust and / or moisture into the connection area between the connection connecting element and the light-emitting diode strip is brought about.

The cover is in particular arranged in a form-fitting manner on the receiving body in such a way that longitudinal ribs which are provided on the cover on inner regions of the side walls and which are complementary to the longitudinal ribs of the connection connecting element come into engagement with the longitudinal ribs of the connection connecting element and in the manner of a Snap-in connection cover the connection area mentioned above and thus ensure the additional protective effect.

According to a further development of the connection connecting element according to the invention, it is also provided that the side walls in the area of the inner recess on the respective inner wall are provided with at least one longitudinal rib, which is arranged for releasable engagement with an at least largely shape and surface-complementary rib on one in the inner recess Light-emitting diode band are formed.

This configuration ensures that an arrangement or assembly of the light-emitting diode strip with the connection element in the head-over-mounting position, i.e. with the light-emitting surface of the light-emitting diode strip in the downward direction, does not result in the danger that the light-emitting diode strip will move out of the position of engagement with the Connection connecting element releases.

According to a further development of the invention, it is also provided that the contact means receptacle has a sleeve-shaped configuration extending away from the bottom wall at an angle and has an opening at one end region. The contact means can be introduced into the inner recess of the contact means receptacle via the opening. In the intended end position of the contact means in the inner recess of the contact means receptacle, the contact means rests with a bearing surface or abutment surface on the electrically conductive contacting device of the connection connecting element and an end region or end section of the contact means then protrudes into the inner recess of the receiving body, as has already been explained above.

A sealing means can then be introduced into the inner recess of the contact means receptacle, such as, for example, a sealing plug designed to complement the inner contour of the inner recess and which can be formed, for example, on a sleeve-shaped cover, so that the sleeve-shaped cover with its inner circumferential wall corresponds to the outer circumferential wall of the sleeve-shaped configuration of the contact means receptacle surrounds and thus a hermetically sealed closure of the inner recess of the contact means receptacle is created, so that no dust and / or moisture can penetrate into the inner recess of the contact means receptacle even at an installation site with a high level of dust and moisture exposure.

According to a further development of the invention, provision is also made for the connection connecting element to have electrical connection means which are coupled to the electrical contacting device. This means that the electrical connection means, which can be a two-wire line, for example, is connected to the electrical contacting device arranged in the receptacle body of the connection connecting element, so that electrical energy is supplied via the electrical connection means and the electrical contacting device as well as via the contact means receptacle arranged contact means can be transferred to the light-emitting diode strip.

A further development of the invention also provides that a stop element is provided in the inner recess of the receiving body of the connection connecting element, which is designed as an abutment for the end face of a light-emitting diode strip arranged in the inner recess. The stop element can be, for example, a rib which extends transversely to the longitudinal direction of the inner recess of the receiving body and which occupies a partial area of the width or the full width of the inner recess between the side walls of the receiving body.

In this way, for example, a light-emitting diode strip can be inserted into the inner recess from both sides of the longitudinal extension of the inner recess of the receiving body, so that the connection connecting element has two The light-emitting diode strips are mechanically coupled to one another and, at the same time, via the contact means provided in the area of the bottom wall on both sides of the rib and extending from the bottom wall in the direction of the elongated inner recess contact means, which are each in contact with the electrically conductive contacting device of the connection connecting element, also an electrical one Connection between the two light emitting diode strips is established.

This configuration corresponds to a further development of the invention, according to which two spaced contact means receptacles are provided, starting from the bottom wall in the direction away from the elongated inner recess and designed to accommodate two contact means in each case.

According to a further development of the invention, it is also provided that the receiving body of the connection connecting element has a configuration deviating from a straight configuration and has at least two partial bodies with a respective longitudinal axis and the partial bodies are arranged at an angle to one another.

The at least two partial bodies can therefore be arranged at any desired angle to one another, that is to say, for example, enclose an angle of 90 degrees between them, so that the connection connecting element can thus serve as a corner connector. This means that two strips of light emitting diodes can be connected to one another at an angle of 90 degrees, both mechanically and electrically. The mechanical connection between the two light-emitting diode strips takes place in the manner described above by receiving the light-emitting diode strips in the respective inner recess of the respective sub-body and the electrical connection between the two light-emitting diode strips can also be brought about by the connection element.

In the case of the configuration, which is formed above only as an example at an angle of 90 degrees, the two partial bodies have a respective contact-making means with which the contact means can come into electrical engagement. The respective Contacting means can be conductor tracks which are electrically connected to one another in the abutment area or connection area between the two sub-bodies, so that the conductor tracks of the first sub-body are connected in an electrically conductive manner to the conductor tracks of the second sub-body and thus the connection connection element also provides an electrically conductive connection between the two light-emitting diode strips Creates contact point between the two partial bodies.

Although a 90 degree angle between the two part bodies was explained according to the configuration described above, a further development of the invention provides that the longitudinal axes of the part bodies are arranged at an angle in the range from 0 degrees to 180 degrees to one another. This also includes a connection connecting element with any number of sub-bodies that enclose any interior angle in the range from 0 degrees to 180 degrees to one another, so that a connection connecting element with, for example, three-star-shaped sub-bodies arranged to one another is also possible, which each include an interior angle of 120 degrees and which Contacting means of the sub-bodies are each electrically connected to one another in such a way that, for example, only one feed point on a sub-body ensures the electrical current and voltage supply to the other sub-bodies and thus the light-emitting diode strips arranged in the respective sub-body.

In a further embodiment of the connection connecting element explained as an example, a 4-way connection with four part-bodies arranged in a cross-shaped manner is possible, just as, for example, a 6-way connection with six part-parts arranged in a star-like manner is also possible.
The invention also provides a system with a connection element and a light-emitting diode strip, which has a plurality of light-emitting diodes provided in the longitudinal direction of the light-emitting diode strip and has contacting means for supplying the light-emitting diode strip with electrical energy and the light-emitting diode strip has potting compound at least partially surrounding the light-emitting diodes and has at least one pin-shaped contacting means , which is arranged in the contact means receptacle and is in contact with the contact means of the light-emitting diode strip.

In this way, the system according to the invention provides a configuration of a connection connecting element - for example as described above - and a light-emitting diode strip, which is characterized by a simple and inexpensive installation option at the installation site.

The light-emitting diode strip can for this purpose, for example, be provided separately from the connection connecting element at the installation site and cut to a predetermined length, so that the light-emitting diode strip provided in this way is then introduced with one end face into the inner recess of the connection connecting element and all that is required is a pin-shaped contact means in the contact means receptacle of the Introduce connection connecting element and bring this into contact with the contacting means of the light-emitting diode strip.

In this way, both the mechanical connection between the connection connection element and the light-emitting diode strip is provided and the electrical connection between the connection connection element and the light-emitting diode strip is provided so that a ready-to-use system of connection connection element and light-emitting diode strip can be provided at the installation site via this simple procedure a fail-safe assembly.

According to a further development of the system according to the invention with an electrically conductive contacting device, it is also provided that the pin-shaped contact means has an externally threaded section which forms physical contact with the contacting means of the light-emitting diode strip and has a contact section which connects electrically to the electrically conductive contacting device of the connection element conductive contact.

In this way, via a simple physical contact between the pin-shaped contact means and the contacting means of the light-emitting diode strip, which can be, for example, a flexible circuit board with two spaced-apart copper layers for supplying power to the light-emitting diodes, an electrical one Conductive connection between the terminal connecting element and the light-emitting diode strip are brought about. The external thread section of the pin-shaped contact means thus comes into current-conducting contact with the respective spaced copper layers, which is brought about by a simple screwing movement of the contact means, which are located in the respective inner recess of the contact means receptacle. Due to the screwing movement of the pin-shaped contact means, the threads of the external thread section enlarge the area available for power transmission between the threads and the copper layers or copper layers of the light-emitting diode strip, so that the contact resistance between the threads and the copper layers or copper layers is reduced and thus the thermal load in the contact area between the threads and the copper layers or copper layers is reduced and accordingly higher current values can be transmitted than is the case with pin-shaped contact means with a smooth outer circumferential surface and without threads.

Starting from a light-emitting diode strip with a predetermined longitudinal extent, the number of intermediate feeds can therefore be reduced by the system according to the invention and the connection connecting element according to the invention in comparison with pin-shaped contact means.

According to a further development of the system, it is also provided that the contact means is designed as a screw with a screw head with a screw head support and an external thread section and the screw head support is in contact with the electrically conductive contacting device and the external thread section is electrically conductive with the contacting means of the light-emitting diode strip Contact is located and the screw is arranged penetrating into the potting compound of the light-emitting diode strip.

In this way, the system according to the invention creates both a mechanical connection between the connection connection element and the light-emitting diode strip and an electrically conductive connection between the connection connection element and the light-emitting diode strip, which is simply constructed and can be made fail-safe because the screw is only inserted into the inner recess of the Contact means receptacle is used and then the mechanically connecting and electrically conductive contact between the connection connecting element and the screw and the screw and the light-emitting diode strip is brought about by means of a simple screwing movement. The penetration of the screw into the potting compound of the light-emitting diode strip ensures at the same time that the sealing device provided in the area between the inner recess of the connection element and the contact means receptacle is subjected to compressive force and is thus pretensioned, which increases the sealing effect of the sealing device and also because of the reaction force between the Sealing device and the underside of the light-emitting diode band acting biasing force between the sealing device and the light-emitting diode band a compensation is brought about for a possible slight decrease in the holding force between a thermoplastic sheathing profile of the light-emitting diode band and an existing, for example, polyurethane-based potting compound for the light-emitting diode band and the screw. The sheathing and the potting compound can tend to creep due to the tensile force entered by the screw and the preloading of the sealing device with compressive force counteracts this reduction in the holding force due to the described tendency of the plastic components to creep, so that a tight configuration of the connection area between the Light-emitting diode strip and the connection connecting element is maintained.

According to a further development of the system according to the invention and with an inner recess of the contact means receptacle, it is provided that the inner recess has an inner circumferential wall which is configured for the detachable arrangement of an outer circumferential surface of the screw head and the electrically conductive contacting device has a through-hole which is at least largely aligned with the inner recess of the contact means receptacle and which The inner circumferential wall and the through-hole are configured as guide means for the screw in such a way that the threaded section of the screw penetrates the contacting means of the light-emitting diode strip at least largely at right angles.

This configuration ensures that the screw is installed in a fail-safe manner as a contact means, since the screw, after being inserted into the inner recess of the contact means receptacle, is guided by the through-hole and the inner circumferential wall of the inner recess, so that the threaded section of the screw penetrates the contacting means of the light-emitting diode strip largely at right angles , so an error-redundant assembly is created and thus, even with a non-transparent potting compound that does not allow a visual inspection of the assembly of the screw, it is ensured that the screw with its threaded section is aligned at right angles or at least largely at right angles to the copper layer of the light-emitting diode strip.

This configuration also ensures that with two screws arranged parallel to one another in the contact means receptacle and spaced apart from one another, which are used to establish electrical contact between two copper layers of the light-emitting diode strip for supplying the light-emitting diode strip with direct current via a positive pole and a negative pole, the respective screw tips are spaced as intended is maintained in the potting compound and the potting compound can thus act as an insulator between the two screw tips, even when the contact point is subjected to high currents, which is advantageous for reducing the number of intermediate feeds and a current flashover between the screw tips is thus reliably avoided.

The connection connection element according to the invention and the system according to the invention are characterized in that the connection of the connection connection element to the light-emitting diode strip maintains the IP protection class of IP 67 and higher provided by the light-emitting diode strip with its described potting compound. The connection connecting element and / or system created in this way can therefore be installed and operated even in environments with high pollution and / or moisture.

• Anordnen eines Leuchtdiodenbands in einer Innenausnehmung des Anschlussverbindungselements
• Anordnung einer jeweiligen Schraube in einer jeweiligen Innenausnehmung der Kontaktmittelaufnahme
• Durchführen einer Axialverlagerung der Schraube in der Innenausnehmung mittels eines Werkzeugs derart, dass eine Schraubenkopfunterlage auf einer elektrisch leitenden Kontaktierungseinrichtung des Anschlussverbindungselements zur Anlage kommt und ein Gewindeabschnitt der Schraube mit einem elektrisch leitenden Kontaktierungsmittel des Leuchtdiodenbands in Kontakt kommt und/oder das elektrisch leitende Kontaktierungsmittel durchsetzt.

Finally, the invention also provides a method for forming a mechanical and electrically conductive connection between a terminal connecting element, as explained above and a light-emitting diode strip with the following steps:

• Arranging a light-emitting diode strip in an inner recess of the connection connecting element
• Arrangement of a respective screw in a respective inner recess of the contact means receptacle
• Carrying out an axial displacement of the screw in the inner recess by means of a tool such that a screw head base comes to rest on an electrically conductive contacting device of the connection connecting element and a threaded section of the screw comes into contact with an electrically conductive contacting means of the light-emitting diode strip and / or penetrates the electrically conductive contacting means.

• Fig. 1 eine perspektivische Darstellung einer Ausführungsform eines Anschlussverbindungselements mit einem getrennt davon angeordneten Leuchtdiodenband;
• Fig. 2 eine Querschnittsdarstellung des Anschlussverbindungselements nach Fig. 1 ohne dass Leuchtdiodenband;
• Fig. 3 eine Querschnittsdarstellung des Anschlussverbindungselements mit in der Innenausnehmung des Aufnahmekörpers angeordnetem Leuchtdiodenband;
• Fig. 4 eine Längsschnittdarstellung des Anschlussverbindungselements nach Fig. 1 mit in der Innenausnehmung angeordnetem Leuchtdiodenband in einer Stellung vor dem Einführen des Kontaktmittels in die Kontaktmittelaufnahme;
• Fig. 5 eine Darstellung ähnlich derjenigen nach Fig. 4, die das Kontaktmittel in der Kontaktmittelaufnahme angeordnet zeigt;
• Fig. 6 eine perspektivische Darstellung eines Anschlussverbindungselements nach einer weiteren Ausführungsform gemäß der vorliegenden Erfindung;
• Fig. 7 eine perspektivische Darstellung eines Anschlussverbindungselements nach einer weiteren Ausführungsform gemäß der vorliegenden Erfindung;
• Fig. 8 eine Schnittdarstellung eines Anschlussverbindungselements nach einer weiteren Ausführungsform gemäß der vorliegenden Erfindung;
• Fig. 9 eine perspektivische Darstellung einer Abdeckung, die die Innenausnehmung des Aufnahmekörpers überdeckt und mit dem Anschlussverbindungselement in einen lösbaren Eingriff gebracht werden kann;
• Fig. 10 eine perspektivische Darstellung des Anschlussverbindungselements mit der montierten Abdeckung nach Fig. 9;
• Fig. 11 eine schematische Darstellung eines Verschlusses der Kontaktmittelaufnahme;
• Fig. 12 eine Schnittdarstellung des Kontaktbereichs zwischen einer Schraubenkopfunterlage und einer Kontaktierungseinrichtung des Anschlussverbindungselements;
• Fig. 13 eine schematische Darstellung zur Erläuterung des Kontaktbereichs zwischen einem Aussengewindeabschnitt des Kontaktmittels und einem elektrisch leitenden Kontaktierungsmittel des Leuchtdiodenbands;
• Fig. 14 eine schematische Darstellung zur Erläuterung des Kontaktbereichs zwischen dem bei der Erfindung vorgesehenen Kontaktmittel und einem zylinderförmigen Pin als Kontaktmittel;
• Fig. 15 einen Ausschnitt eines Leuchtdiodenbands nach der Ausbildung eines elektrisch leitenden Kontakteingriffs mit dem nach der Erfindung vorgesehenen Kontaktmittel;
• Fig. 16 eine schematische Darstellung von Einsatzmöglichkeiten des erfindungsgemäßen Anschlussverbindungselements; und
• Fig. 17 eine schematische Darstellung einer weiteren Einsatzmöglichkeit des erfindungsgemäßen Anschlussverbindungselements.

The invention is explained in more detail below with reference to the drawing. This shows in:

• Fig. 1 a perspective illustration of an embodiment of a connection connecting element with a light-emitting diode strip arranged separately therefrom;
• Fig. 2 a cross-sectional view of the terminal connecting element according to Fig. 1 without the LED strip;
• Fig. 3 a cross-sectional view of the connection connecting element with the light-emitting diode strip arranged in the inner recess of the receiving body;
• Fig. 4 a longitudinal sectional view of the terminal connecting element according to Fig. 1 with a light-emitting diode strip arranged in the inner recess in a position prior to the introduction of the contact means into the contact means receptacle;
• Fig. 5 a representation similar to that after Fig. 4 which shows the contact means arranged in the contact means receptacle;
• Fig. 6 a perspective view of a terminal connecting element according to a further embodiment according to the present invention;
• Fig. 7 a perspective view of a terminal connecting element according to a further embodiment according to the present invention;
• Fig. 8 a sectional view of a terminal connecting element according to a further embodiment according to the present invention;
• Fig. 9 a perspective view of a cover that covers the inner recess of the receiving body and can be brought into releasable engagement with the connection connecting element;
• Fig. 10 a perspective view of the connection connecting element with the mounted cover according to FIG Fig. 9 ;
• Fig. 11 a schematic representation of a closure of the contact means receptacle;
• Fig. 12 a sectional view of the contact area between a screw head support and a contacting device of the connection connecting element;
• Fig. 13 a schematic illustration to explain the contact area between an externally threaded section of the contact means and an electrically conductive contacting means of the light-emitting diode strip;
• Fig. 14 a schematic illustration to explain the contact area between the contact means provided in the invention and a cylindrical pin as contact means;
• Fig. 15 a section of a light-emitting diode strip after the formation of an electrically conductive contact engagement with the contact means provided according to the invention;
• Fig. 16 a schematic representation of possible uses of the connection connecting element according to the invention; and
• Fig. 17 a schematic representation of a further possible use of the connection connecting element according to the invention.

Fig. 1 The drawing shows a connection connecting element 1 according to a first embodiment according to the present invention, with a light-emitting diode strip 2 arranged separately therefrom.

The light-emitting diode strip 2 has an elastically formed base profile 3, which has a channel-shaped receiving space 5 in the interior 4, in which a light-emitting diode strip 6 with a plurality of light-emitting diodes 7 provided at a slight distance from one another are arranged.

The light-emitting diode strip 6 can have a flexible conductor track 48 which, for example, is based on Fig. 4 The drawing can be seen and the light-emitting diodes 7 can be mounted on the conductor track 48 by means of chip-on-board (COB) technology.

This makes it possible to provide the light-emitting diodes at such a slight distance from one another that the light-emitting diodes generate light that is uniform for the viewer, i.e. the viewer does not perceive individual light points, but a continuous, one-piece or one-piece light-emitting diode strip with a homogeneous emission of the light.

The base profile 3 can be an elastic profile, trough-shaped or channel-shaped in cross section, which is made, for example, of a thermoplastic elastomer (TPE), in particular a thermoplastic elastomer based on urethane (TPU), or also based on a polyvinyl chloride (PVC) Material or is made on the basis of an elastic thermosetting material.,.

In the embodiment shown, the base profile 3 of the light-emitting diode strip 2 has two side walls 8 which are formed in one piece with a bottom wall 9 of the light-emitting diode strip 2 and which point in the longitudinal direction "L" according to the double arrow Fig. 1 have a plurality of longitudinally extending ribs 10, which on the one hand increase the rigidity of the base profile 3 and can also be brought into releasable positive engagement with the longitudinally extending ribs of the receiving body 11 of the connection element 1, which will be explained below. On the bottom wall 9 of the light-emitting diode strip 2, predetermined markings can be provided which represent cutting lines or auxiliary positioning lines for the user, on which the user can cut or cut or position the light-emitting diode strip 2 in order to obtain a defined overhang for the through-connection through the pin-shaped contact means and to be able to position the light-emitting diode strip 2 in the correct position relative to the longitudinal extent of the inner recess 14 of the connection connecting element 1.

The connection connecting element 1 has a receiving body, which is embodied in the form of a channel in the embodiment shown, with a bottom wall 12 and two lateral side walls 13 starting from the bottom wall 12.

The bottom wall 12 and the side walls 13 form an inner recess 14 which is designed to receive the light-emitting diode strip 2.

A contact means receptacle 15 extends away from the bottom wall 12 and directed away from the inner recess 14, which contact means receptacle 15 is used for receiving an in Fig. 1 The contact means shown schematically in the drawing is designed in the form of a screw 16, which can be inserted into the contact means receptacle 15, as shown, for example, with reference to FIG Fig. 2 can be seen in the drawing.

An electrical connection means 18 extends away from the floor segment or floor area 17 of the connection connecting element 1 and is shown in FIG Fig. 1 the drawing has two connection lines 19, 20 in order to supply the light-emitting diodes 7 of the light-emitting diode strip 2 with the necessary supply voltage of, for example, 12 or 24 volts by means of a voltage supply not shown in detail.

How it is based on Fig. 2 As can be seen in the drawing, the contact means receptacle 15 has an inner recess 21 which penetrates the bottom wall 12 and is designed to receive the contact means 16, which in the embodiment shown is also designed as a screw. As is readily apparent, the contact means receptacle 15 in the illustrated embodiment of the connection connecting element 12 has internal recesses 21, so that two contact means 16 can be received by the contact means receptacle 15 in order to be able to produce both the positive contact and the negative contact with the light-emitting diode strip 2, as will be explained in more detail below.

The inner recess 21 penetrates the bottom wall 12 and extends into the area of the elongated inner recess 14 and thus into the area from which or in which the light-emitting diode strip 2 is received.

In addition, how it is easily done with the help of Fig. 2 and 4th As can be seen in the drawing, the connection connecting element 1 has an electrically conductive contacting device 22 which, for example, in the form of a circuit board 23 with the upper surface 24 and copper layers or copper layers 26 arranged on the lower surface 25, the circuit board 23, as shown on the basis of FIG Fig. 4 As can be seen in the drawing, extends over largely the entire axial length of the bottom section or lower section 17 of the connection connecting element 1. Instead of the circuit board 23, the electrically conductive contacting device 22 can also be formed by another electrically conductive component, such as, for example, a sheet metal strip, which - just like the circuit board 23 - along a longitudinal center plane 27, which is, for example, based on Fig. 2 the drawing can be seen, has a separation area or insulation so that the plus and minus polarity for the power supply of the light-emitting diodes is maintained.

How it can also be done using Fig. 2 and also Fig. 6 As can be seen in the drawing, the receiving body 11 in the inner recess 14 on the side walls 13 has longitudinally extending ribs 28 extending along the elongated inner recess 14, which are designed in a semi-triangular cross-section and are used for releasable engagement with the longitudinally extending ribs 10 of the base profile 3. In addition, the bottom wall 12 of the receiving body 11 can have rib-shaped elevations 54 running transversely to the longitudinal extent of the inner recess 14 on the upper side, i.e. in the area of the inner recess 14, on which the underside of the light-emitting diode strip 2 comes to rest and thus from the light-emitting diode strip 2 onto the connection element 1 acting tensile force can be absorbed.

Fig. 3 The drawing shows a cross-sectional view of the connection connecting element 1 with the light-emitting diode strip 2 arranged in the inner recess 14 of the receiving body 11.

The light-emitting diode strip 2 is located in the inner recess 14 of the receiving body 11 in such a way that the longitudinal ribs 10 of the light-emitting diode strip 2 are in contact with the longitudinally extending ribs 28 of the receiving body 11.

In addition, based on Fig. 3 The drawing also shows that the interior 4 of the base body 3 is filled with a potting compound 29, which completely encloses the light-emitting diodes 7 and can, for example, be made of a polyurethane material and, for example, can be made transparent or translucent or also be multilayered, namely For example, a sub-layer directly enclosing the light-emitting diodes 7 can be transparent and an area or sub-layer arranged above it can be, for example, translucent, so that the light emission of the light-emitting diodes is not hindered and the optical appearance on the top 30 of the potting compound 29 appears uniform.

How to use Fig. 3 The drawing also shows that the contact means designed as a screw have already been completely inserted or screwed into the respective inner recess 21, so that a respective external thread section 31 of the screws 16 is in engagement with the potting compound 29 and in this way the light-emitting diode strip 2 mechanically and physically is connected to the connection connecting element 1 and the external thread section 31 also has a mechanical and electrically conductive connection with a respective through-hole 32 of contacting means 33 of the light-emitting diode strip 2, as shown on the basis of FIG Fig. 15 The drawing can be seen, which shows a section of a light-emitting diode strip 2 after the formation of an electrically conductive contact engagement with the contact means 16 provided according to the invention.

How it is based on Fig. 3 and Fig. 12 As can be seen in the drawing, the screw 16 with its screw head support or screw head support 34 is in contact with the electrically conductive copper layer 26 of the circuit board 23, so that the voltage applied there via the connection lines 19, 20 via the respective screw 16 and the external thread section 31 to the Contacting means 33 is transmitted in the form of, for example, a copper layer and thus serves to supply the light-emitting diodes 7 with electrical energy.

In this way, both a robust mechanical connection of the connection connection element 1 to the light-emitting diode strip 2 and a robust electrical connection between the two connection partners is established via the connection connection element 1 according to the invention, since any penetration of moisture or dust or other contamination into the electrical connection area between the contact means 16 and the contacting means 33 is prevented via the potting compound 29.

The connection connection element 1 according to the invention is also characterized in that in the area between the inner recess 14 of the connection connection element 1 and the contact means receptacle 15, for example, on the basis of Fig. 2 the drawing apparent sealing device 36 is provided, which of the contact means 16 is designed to be penetrable and is designed with a protrusion extending into the inner recess 14.

The sealing devices 36 can be, for example, tubular elastomer elements 37 which have such a longitudinal extension that they rest on the one hand on the contacting device 22, specifically in an area 38, as shown on the basis of FIG Fig. 3 The drawing can be seen and on the other hand extend with a protrusion 39 in the area of the inner recess 14 of the receiving body 11.

This configuration of the sealing devices 36 leads to the fact that the tensile force applied to the potting compound 29 of the light-emitting diode strip 2 leads to a compressive force being applied to the sealing devices 36 in the area of the protrusion 39 and thus a possible creeping of the sealing devices 36, formed for example from an elastomer material, due to the pretensioning of the sealing devices 36 formed in this way Potting compound 29 can be compensated for in the circumferential area of the externally threaded sections 31 and thus a permanently reliable and moisture-tight and dust-tight connection area between the connection connecting element 1 and the light-emitting diode strip 2 is provided.

After the in Fig. 3 The mechanical and electrical connection shown in the drawing between the contact partners connection connecting element 1 and light-emitting diode strip 2 has been established, an in Fig. 11 . Closing means 40 shown schematically in the drawing can be arranged in the connection area in such a way that the plug-like closure plugs 41 are inserted into the inner recesses 21 of the contact means receptacle 15 and thus a hermetically sealed closure is created.

Fig. 4 the drawing shows a longitudinal sectional view of the connection connecting element 1 according to FIG Fig. 1 with light-emitting diode strip 2 arranged in the inner recess in a position before the contact means 16 is inserted into the contact means receptacle 15.

In the exemplary embodiment shown, the contact means is a simple self-tapping screw which can be inserted into the inner recess 21 of the contact means receptacle 15.

After the screw 16 has been inserted into the inner recess 21, it is centered and guided in the through-hole 42 of the sealing device 36 and, at the same time, the screw head 43 is centered and guided by the inner peripheral wall 44 of the inner recess 21, so that after the screws 16 are in Fig. 3 have reached the end position shown in the drawing, a reproducible and equal distance "A" is set between the external thread sections 31 of the adjacent screws 16 and electrical insulation is brought about via the potting compound 29 remaining between them.

As already mentioned above, the potting compound 29 can be a translucent, that is to say translucent, but opaque potting compound, so that it is not possible to visually check the positioning of the screws 16 through the potting compound 29.

The inventive design of the connection element 1 with the centering and guidance of the contact means 16 by the sealing devices 36 or elastomer elements 37 and the formation of the inner recess 21 with an inner circumferential wall 44 ensures that the simple contact means 16 are precisely centered and positioned solely through their positioning in the inner recesses 21 are guided and thus mechanically and electrically reliable connection areas between the connection connecting element 4 and the light-emitting diode strip 2 can be generated in a reproducible manner.

Fig. 6 shows a perspective view of a terminal connecting element according to a further embodiment according to the present invention.

In this embodiment of the connection connecting element 1, there are two stop elements approximately in the area of the middle of the longitudinal extension of the inner recess 45 are provided, which are designed as an abutment for the end face of a light-emitting diode strip 2 to be arranged in the inner recess 14.

Such an arrangement is shown, for example, on the basis of example "b" Fig. 16 can be seen in the drawing. This configuration is used, for example, to connect two light-emitting diode strips to one another both mechanically and electrically, in order to connect the two light-emitting diode strips to form an elongated light-emitting diode strip.

Fig. 7 the drawing shows a perspective illustration of a terminal connecting element according to a further embodiment according to the present invention.

In this embodiment of the connection connecting element 1, in contrast to the embodiment according to FIG Fig. 6 a single connection element 45 is provided on which two light-emitting diode strips to be mechanically and electrically connected can be brought into contact with their respective end faces in order to provide a one-piece or one-piece, elongated light-emitting diode strip.

Fig. 7 The drawing also shows two externally threaded sections 31 of two contact means 16 received in the respective contact means receptacle in the form of screws, which can take screw engagement with the potting compound 29 of the light-emitting diode strip 2 to be received.

In addition, based on Fig. 7 The drawing also shows that the elastomer elements 37 protrude with a protrusion 39 into the inner recess 14 of the connection connecting element 1.

Fig. 8 the drawing shows a sectional view of a terminal connecting element according to a further embodiment according to the present invention.

In this embodiment of the connection connecting element 1, the side walls 13 have an interior angle relative to the bottom wall 12 of the receiving body 11 of less than 90 degrees, in the present example an internal angle of 75 degrees each, so that the side walls 13 of the receiving body 11 apply a lateral clamping force to the side walls 8 of the light-emitting diode strip 2 as soon as the light-emitting diode strip 2 has been arranged in the inner recess 14 of the connection element 1.

Fig. 9 The drawing shows a perspective illustration of a cover 46 which can cover the inner recess 14 of the receiving body 2 and which can be brought into releasable engagement with the connection connecting element 1.

On the inner surface 47, the cover 46 has ribs 49 extending transversely to the longitudinal extent of the cover 46, which on the one hand serve to increase the rigidity of the cover 46 and on the other hand apply a clamping force to the potting compound 29 of the light-emitting diode strip 2, so that the connection element 1 on the Light-emitting diode band 2 exerted holding force is increased.

As can be readily seen, the cover has longitudinal ribs 50 on each of the two side walls 51, which are connected to the outer longitudinal extent of the connection connecting element 1, as shown, for example, in FIG Fig. 6 the drawing is shown, longitudinal form-fitting elements 52 can be brought into a releasable engagement, as shown on the basis of Fig. 10 can be seen in the drawing.

The cover 46 can be made of a transparent and elastic material, so that the light emission of the light-emitting diode strip 2 is not impaired by the cover 46. It is also possible to provide a sealing material in the form of a polymer or a silicone material under the area of the cover in order to further increase the sealing effect. The end face of the light-emitting diode strip 2 can also be provided with it in order to seal the conductor tracks located there.

Fig. 12 The drawing shows a sectional view of the contact area between a screw head support and a contacting device of the connection connecting element.

The screw head support or screw head support 34 lies over the entire surface of the electrically conductive layer 26 in the form of, for example, a copper layer on the contacting device 22 of the connection element 1, so that the screw 16 serves as an element for forwarding the supply voltage to the respective copper layer 35 of the light-emitting diode strip 2.

Fig. 13 The drawing shows a schematic representation to explain the contact area between an externally threaded section 31 of the contact means 16 and an electrically conductive contacting means 35 of the light-emitting diode strip 2.

The electrically conductive contacting means 35 can be the one in Fig. 15 The respective copper layer of the light-emitting diode strip 6 of the light-emitting diode strip 2 shown in the drawing and the configuration of the contact means 16 in the form of screws with a respective external thread section 31 ensures that the screwing movement of the screws 16 when inserted into the internal recess 21 of the contact means receptacle 15 and screwing in the screws 16 in the potting compound 29 of the light-emitting diode strip 2 results in the respective copper layer 35 having an in Fig. 13 The force marked "F" in the drawing is applied and plastically deformed and a wrap angle is set between the copper material and the external thread section at the threads of the external thread section 31, which leads to an increase in the contact area between the contact means 16 and the electrically conductive contact means 35 of the light-emitting diode strip 6 .

This fact is based on Fig. 14 the drawing is explained again graphically, which is shown in the upper illustration of the Fig. 14 shows a pin body designed comparatively without an external thread section, the introduction of which into the potting compound and thus through the electrically conductive contacting means 35 leads to a merely annular contact surface with the copper layer 35 or electrically conductive contacting means 35, while in the lower representation of the drawing Fig. 14 The configuration shown with the screw provided according to the invention as contact means 16 due to the screw movement and the plastic Deformation of the material of the electrically conductive contacting means 35 in the form of, for example, copper material leads to the explained enlargement of the wrap angle and thus to the enlargement of the contact area between the contact means 16 and the electrically conductive contacting means.

This enlargement of the contact surface in turn means that higher current values can be transmitted via this connection surface than is the case with the configuration with a pin-shaped pin without an external thread, since with the enlargement of the contact surface the contact resistance acting in the contact surface decreases and thus also the thermal load the contact area decreases with higher transmitted currents.

This in turn leads to the fact that the possibility of being able to feed current with a higher current intensity into the light-emitting diode band by means of the connection element according to the invention, the number of intermediate feeds can be reduced in an elongated light-emitting diode band and thus a simple and inexpensive possibility was created for elongated light-emitting diode bands To be able to supply a reduced number of intermediate feeds with electrical energy.

Fig. 15 The drawing shows a section of a light-emitting diode strip after the formation of an electrically conductive contact engagement with the contact means and connection connecting element provided according to the invention.

As is readily apparent, the connection area 53 of the respective copper layer 35 was plastically deformed by screwing in the contact means 16 in the form of screws with externally threaded sections 31, thereby increasing the contact area between the copper layer 35 and the contact means 16, as explained above .

Fig. 16 The drawing shows, using the example "a" in the form of a schematic representation, a further possible use of the connection connecting element 1 according to the invention. The connection connecting element 1 can be used as an initial feed element or connection element for the light-emitting diode strip 2 and, due to the design of the connection connection element provided according to the invention, assume both a mechanical and an electrically conductive connection with the light-emitting diode strip 2.

Fig. 17 The drawing shows, on the basis of a schematic representation, a further possible use of the connection connecting element according to the invention.

In this case, a connection connecting element 1 is shown, which has two partial bodies 55 arranged at a 90 degree angle to one another. The two sub-bodies 55 enclose an interior angle α of 90 degrees, the connection connecting element 1 thus represents a corner connector. Instead of the angle of 90 degrees shown, an angle in the range from 0 degrees to 180 degrees is also possible, so that the connection connecting element 1 has at least two sub-bodies may have, which include an interior angle of 0 degrees to 180 degrees. The interior angle is determined between the longitudinal axes of the sub-bodies, so that an exterior angle of, for example, 220 degrees between the longitudinal axes of the sub-bodies corresponds to an interior angle of 140 degrees.

A configuration, not shown in more detail, is also possible, according to which the connection connecting element has more than two partial bodies, which are arranged, for example, in a star shape, a cross shape or in another configuration with respect to one another. In this way, the connection connecting element also accommodates more than two light-emitting diode strips, which are both mechanically and electrically connected to the connection connecting element and in this way, for example, several light-emitting diode strips can be supplied with electrical energy by means of just one feed point.

By designing the contact means with an externally threaded section, which forms physical contact with the contacting means of the light-emitting diode strip and a contact section of the contact is in contact with the electrically conductive contacting device of the terminal connecting element by means of, for example, the screw head support, it becomes an electrically conductive one Current path established between the connection connecting element and the light-emitting diode strip.

Since the inner circumferential wall of the inner recess is configured for the detachable arrangement of the outer circumferential surface of the screw head, the contact means receptacle, which is designed as a screw, is automatically and automatically guided and centered through the inner recess, so that tilting or inclination of the screw when it is inserted into the inner recess of the contact means receptacle is reliably avoided and thus a fail-safe insertion of the screw into the inner recess of the contact means receptacle is achieved and by screwing the screw into the potting compound of the light-emitting diode strip, a fault-free mechanical and electrical contact between the connection element and the light-emitting diode strip is automatically brought about, so that a fault-free method for forming a mechanical and electrically conductive connection has been created between the connection connecting element and the light-emitting diode strip.

With regard to features of the invention not explained in detail above, reference is also expressly made to the patent claims and the drawing.

List of reference symbols

1.

Connection connector

2.

LED strip

3.

Base profile

4th

inner space

5.

Recording room

6th

LED strips

7th

Light emitting diodes

8th.

side walls

9.

Bottom wall of the LED strip

10.

Ribs

11.

Receiving body

12th

Bottom wall of the receiving body

13th

Side wall of the receiving body

14th

Interior recess

15th

Means of contact establishment

16.

Screw, contact means

17th

Floor area

18th

Electrical connection means

19th

Connecting cable

20th

Connecting cable

21.

Interior recess

22nd

Contacting device 23rd circuit board

24.

upper surface

25th

Below the surface

26th

Copper layer

27

Left median plane

28.

Rib of the side walls

29

Potting compound

30th

Top

31.

External thread section

32.

Via

33.

Contacting means

34.

Screw head support

35.

Copper layer

36.

Sealing device

37.

Elastomer element

38.

area

39.

Got over

40.

Closure means

41.

Sealing plug

42.

Through hole

43.

Screw head

44.

Inner peripheral wall

45.

Stop element

46.

cover

47.

Inner surface

48.

Ladder tape

49.

Rib of the cover

50.

Longitudinal strut

51.

Side wall of the cover

52.

Form-fit element

53.

Connection area

54.

Rib-shaped elevation

55.

Partial body

"A"

distance

Claims (19)

Connection connecting element (1) for the mechanical arrangement of and electrical connection with a light-emitting diode strip (2), characterized by a receiving body (11) with a bottom wall (12) and lateral side walls (13) extending from the bottom wall (12) and one from the bottom wall ( 12) and the side walls (13) formed, in particular elongated inner recess (14) and at least one, starting from the bottom wall (12) in the direction of the in particular elongated inner recess (14) extending contact means receptacle (15) for contact means (16). Connection connecting element (1) according to claim 1, characterized in that the contact means receptacle (15) has an inner recess (21) which penetrates the bottom wall (12) and extends into the area of the in particular elongated inner recess (14) and in the inner recess ( 21) of the contact means receptacle (15) contact means (16) for establishing an electrical connection between the connection element (1) and the light-emitting diode strip (2) can be accommodated. Terminal connecting element (1) according to claim 1 or 2, characterized in that the terminal connecting element (1) has an electrically conductive contacting device (22) on which the contact means (16) can be brought into contact and the contact means received by the contact means receptacle (15) (16) extends into the area of the inner recess (14) of the connection connecting element (1). Terminal connecting element (1) according to one of the preceding claims, characterized in that a sealing device (36) is provided in the area between the inner recess (14) of the terminal connecting element (1) and the contact means receptacle (15), which is designed to be penetrable by the contact means (16) and can be formed with a protrusion (39) extending into the inner recess (14). Connection connecting element (1) according to one of the preceding claims, characterized in that the bottom wall (12) has at least one rib-shaped elevation arranged largely transversely to the longitudinal direction of the inner recess (14) and protruding over the bottom wall (12) on a top side oriented towards the inner recess (14) (54). Connection connecting element (1) according to one of the preceding claims, characterized in that at least one of the side walls (13) is arranged at an angle of less than 90 degrees relative to the bottom wall (12) and the inner recess (14) extends from the area of the bottom wall (12) has a cross-sectional tapering configuration to an upper side of the inner recess (14). Connection connecting element (1) according to one of the preceding claims, characterized in that the side walls (13) on the outer surfaces opposite the inner recess (14) are provided with a respective longitudinal rib (52) which for releasable engagement with an inner recess (14) overlapping cover (46) are formed. Connection connecting element (1) according to one of the preceding claims, characterized in that the side walls (13) in the area of the inner recess (14) on the respective inner wall are provided with at least one longitudinal rib (28) which for releasable engagement with an at least largely - and surface-complementary rib (10) are formed on a light-emitting diode strip (2) arranged in the inner recess (14). Terminal connecting element (1) according to one of the preceding claims, characterized in that the contact means receptacle (15) has a sleeve-shaped configuration extending away from the bottom wall at an angle and has an opening at one end region. Terminal connecting element (1) according to one of the preceding claims, characterized by electrical connecting means (18, 19) which are coupled to the electrical contacting device (22). Connection connecting element (1) according to one of the preceding claims, characterized in that a stop element (45) is provided in the inner recess (14) of the connection connecting element (1) which acts as an abutment for the end face of a light-emitting diode strip (2 ) is trained. Connection connecting element (1) according to one of the preceding claims, characterized by two spaced contact means receptacles (15) which extend from the bottom wall (12) in the direction of the elongated inner recess (14) and are designed to accommodate two contact means (16) each. . Connection connecting element (1) according to one of the preceding claims, characterized in that the receiving body (11) has a configuration deviating from a straight configuration and has at least two partial bodies with a respective longitudinal axis and the partial bodies are arranged at an angle to one another. Connection connecting element (1) according to Claim 13, characterized in that the longitudinal axes are arranged at an internal angle in the range from 0 degrees to 180 degrees to one another. System with a connection connecting element (1) according to one of the preceding claims and a light-emitting diode strip (2) which has a plurality of in Has light-emitting diodes (6) provided in the longitudinal direction of the light-emitting diode strip (2) and has contacting means (33) for supplying the light-emitting diode strip (2) with electrical energy and the light-emitting diode strip (2) has potting compound (29) at least partially surrounding the light-emitting diodes (6), characterized by at least one pin-shaped contact means (16) which is arranged in the contact means receptacle (15) and is in contact with the contacting means (33) of the light-emitting diode strip (2). System according to Claim 15, with an electrically conductive contacting device (22), characterized in that the pin-shaped contact means (16) has an externally threaded section (31) which forms physical contact with the contacting means (33) of the light-emitting diode strip (2) and a contact section (34) is in electrically conductive contact with the electrically conductive contacting device (22). System according to claim 16, characterized in that the contact means (16) is designed as a screw (16) with a screw head with a screw head support (34) and an externally threaded section (31) and the screw head support (34) is located on the electrically conductive contacting device (22 ) is in contact and the externally threaded section (31) is in electrically conductive contact with the contacting means (33) of the light-emitting diode strip (2) and the screw (16) is arranged to penetrate the potting compound (29) of the light-emitting diode strip (2). System according to claim 17, and with an inner recess (21) of the contact means receptacle (15), characterized in that the inner recess (21) has an inner circumferential wall which is configured for the detachable arrangement of an outer circumferential surface of the screw head and the electrically conductive contacting device (22) a has through-bore at least largely aligned with the inner recess (21) and the inner circumferential wall and the through-bore are configured as guide means for the screw in such a way that the external thread section of the screw penetrates the contacting means (33) of the light-emitting diode strip (2) at least largely at right angles. Method for forming a mechanical and electrically conductive connection between a connection connecting element (1) according to one of Claims 1 to 12 and a light-emitting diode strip (2), characterized by the following steps: - Arranging a light-emitting diode strip (2) in an inner recess (14) of the connection connecting element (1) - Arranging a respective screw (16) in a respective inner recess (21) of the contact means receptacle (15) - Carrying out an axial displacement of the screw in the inner recess (21) in particular by means of a tool in such a way that a screw head support (34) comes to rest on an electrically conductive contacting device (22) of the connection connecting element (1) and a threaded section (31) of the screw with a electrically conductive contacting means (22) of the light-emitting diode strip comes into contact and / or penetrates the electrically conductive contacting means.

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