EP2087273B1 - Spotlight for illumination in film, studio, event or theatre environments - Google Patents

Abstract

A floodlight (1) for illumination in films, studios, events and theaters comprises an electrical connection (4) that is rotationally arranged on the floodlight and is adaptable to connect the light to a power supply (403) in its given direction. Preferably the connection is in a housing (10) on the floodlight and is arranged on a wall (151) of a housing (15) containing a functional element.

Description

The invention relates to a headlight for lighting in film, studio, event and theater environments according to the preamble of claim 1.

From the DE 201 07 299 U1 a headlight is known which comprises a headlamp housing having a front part, a central part and a rear part for receiving light-generating and light-shaping components, in particular arranged in a lamp holder lamp, a reflector and an ignition device of the headlamp. In the front part of the headlamp housing, a light exit opening is integrated, which is surrounded by a front ring with a lens mount for receiving one or more lenses. At the middle part of the headlight housing a bracket is arranged, with which the headlight can be fixed either standing on a tripod or hanging on a rig.

For electrical supply to the components of the headlight have such headlights, such as from DE 20 2005 013 244 U1 known, an electrical connection, which is usually arranged in a lower, a functional housing for receiving functional elements of the headlamp performing housing portion and via a supply line is connected to the headlight. Starting from the electrical connection, the supply line to the stand or to the rig, on or on which the headlamp is mounted, out and connected to a supply device, such as a voltage source.

From the US 2005/0148241 A1 is an electrical connector with a plug and a connector receptacle known, which can be connected to each other in different mutually rotated positions. In the inserted state of the plug and the plug receptacle are indeed firmly connected to each other, but can be solved and inserted in different, twisted positions against each other. The plug connection of US 2005/0148241 A1 is suitable for small electrical appliances and serves both as a mechanical stand and as an electrical connection.

The invention has for its object to provide a headlight of the type mentioned above, its handling is simplified, which can be operated in different positions on a tripod or a rig and which is configurable and versatile.

This object is achieved by a headlamp with the features of claim 1.

According to the invention is in a headlight for lighting in film, studio or theater environments, which has an electrical connection for connecting the headlamp with a supply line for the electrical supply of the headlamp, provided that the electrical connection rotatably mounted on the headlight and to connect the headlamp is adaptable with the supply line in its orientation, wherein the position of the electrical connection in dependence on the arrangement of the headlight is adaptable to supply the electrical supply line from different directions to the headlight.

The invention is based on the basic idea, not to arrange the electrical connection for the electrical supply of the headlamp fixed to the headlight, but such form that the electrical connection depending on the arrangement, installation and mounting of the headlamp can be rotationally aligned to a possible to allow advantageous guidance of the supply line away from the headlight.

The electrical connection can be arranged on a headlight housing, in particular the wall of a functional elements of the headlight housing functional housing of the headlight housing such that it is rotatable about an axis of rotation, which is directed perpendicular to the surface of the electrical connection wall carrying the functional housing, and parallel to the wall of the Function housing is alignable.

Advantageously, the electrical connection for fastening the headlamp on a stand in a first direction and for attaching the headlamp to a rig in a second, different from the first direction direction is aligned. This is particularly advantageous for variable mounting of the headlamp hanging on a rig or standing on a tripod, in which the supply line is guided depending on the attachment of the headlamp either up or down from the headlight away to the most comfortable, the operation and the Handling the headlamp not disturbing To reach leadership of the supply line. It is conceivable in this context to provide a continuous adjustability of the electrical connection or certain discrete, for example, adapted to the tripod position and the Riggstellung adjustment positions.

Preferably, the electrical connection via a latching, clamping or screw connection in its aligned position on the headlight can be fixed. It is conceivable, for example, to fix the electrical connection in its orientation and position by means of a clamping connection in such a clamping manner on the wall of the functional housing that the electrical connection is held on the wall and the supply line is guided in a certain direction away from the headlight. For this purpose, a curved slot or a plurality of attachment points may be provided as a receptacle for a screw connection for fixing the electrical connection in different positions on the headlight, which are penetrated by the screw for producing a clamping connection and allow different adjustment positions of the electrical connection.

The electrical connection preferably has an electrical plug which is connected to the supply line, and a plug receptacle which is arranged on the spotlight housing, wherein the electrical plug for connecting the supply line in a plug-in direction into the plug receptacle can be inserted.

For aligning the electrical connection, the plug receptacle is rotatably mounted on the headlight housing in a preferred embodiment. To make the electrical connection of the plug is inserted into the connector receptacle, rotated together with the plug in the desired manner and aligned and then fixed to the headlight housing. It is conceivable and advantageous, for example, to clamp the wall holding the plug receptacle between the plug receptacle and the plug by means of a screw or latching connection for fixing in order to lock the electrical connection relative to the wall.

By a mechanical coding of the plug and the plug receptacle a polarity reversal protection is produced, so that electrical short circuits can be excluded with different orientation of the plug. Through the polarity reversal protection ensures that the plug is inserted only in one orientation in the connector receptacle and plugging of the plug is prevented in a twisted position. An embodiment of the electrical Verpolschutzes is in the connector receptacle and plug surveys and depressions, especially in the form of hexagons, provide so that a plug connection is possible only in the permissible orientation of the plug and plug receptacle, the plug so only in a particular orientation in the connector receptacle can be inserted. The areas for the mechanical coding and the electrical connection of the plug with the plug receptacle can optionally be arranged spatially separated or overlap.

It is also conceivable, for aligning the electrical connection, the plug and the plug receptacle form such that the electrical connector in different, twisted around the insertion direction positions in the connector receptacle can be inserted, so that the supply line connected to the electrical connector depends on the insertion position of the electrical Connection can point starting from the plug in different directions. The plug receptacle is fixedly arranged on the headlight housing in this case. To make the connection, the plug is aligned in the desired manner and inserted into the connector receptacle. Subsequent fixing of the electrical connection to the spotlight housing is then not required. However, the contacts of the plug and the plug receptacle for the formation of different plug positions must be made redundant.

Preferably, the electrical connection to a safety switching device, which unlocks the electrical connection only when the plug is connected to the connector receptacle. The safety circuit can be designed such that when the plug is not plugged into the connector receptacle, no voltage is applied to the contacts of the plug and / or the contacts of the connector receptacle are not connected to the components to be supplied of the headlamp.

In a preferred embodiment, the headlamp housing of the headlamp has a front part, a middle part and a rear part for receiving light-generating and light-shaping components of the headlamp, wherein the headlamp housing is modular. The front part, the middle part and the rear part are at least one acting in the axial direction of the headlight connecting means connected to each other and disassembled by releasing the connecting means for configuring the headlamp. In this way, a headlamp is created, which is configurable by the modular design of the headlamp housing for different applications and the headlamp housing can be adapted to the particular application. In particular, it is possible with such a headlight to change the design of the headlamp by replacing individual components, in particular light-generating and light-shaping components, with the use of each of the components of the headlamp adapted front part, middle part and / or back of the headlight housing a compact design of the headlamp is given in each configuration.

For easy connection of the front part, the middle part and the rear part, preferably axially aligned screw connections are used. These axially aligned screw can engage in particular from the back, starting through the middle part into the front part and thus create a firm connection between the back, middle part and front part, which is easily detachable to disassemble the headlamp. It is also conceivable to provide separate screw connections between the rear part and the central part and between the front part and the middle part, which are independently detachable.

To accommodate the screw self-tapping threads may be provided in the middle part, so as to establish a firm connection between the back and middle part or middle part and front part.

Preferably, the front part and the rear part of the headlight housing are designed as aluminum castings and the middle part of the headlight housing as an extruded aluminum profile. In this way, a front part, a middle part and a rear part are created, which are inexpensive to produce and meet the stability requirements of the headlight housing. The use of other materials, such as plastic, for the production of parts of the headlamp housing is also conceivable, as far as the materials meet the requirements in terms of mechanical and thermal stress on the headlight housing.

The headlight according to the invention is characterized by a release of the connecting means and a replacement of components of the headlight and parts of the housing configurable. In particular, it is possible to provide by exchanging the central part of a headlight housing, which is adapted to the enclosed in the headlight housing light-generating and light-shaping elements in size and shape and thus suitable for different configurations of the headlight.

The headlight housing is for receiving light-generating and light-shaping elements according to the invention formed by the front part, the middle part and the rear part. The headlight housing can form two sub-housings, wherein an upper lamp housing for receiving a lamp and a reflector and a lower functional housing for receiving functional elements of the headlamp, for example a lamp socket, a socket carrier, a focus or sliding spindle and optionally an ignitor, serve the electrical connection for the supply of the headlamp is arranged in the region of the lower functional housing and an electrical connection between the lower functional housing and the lamp housing for supplying the electrical components enclosed in the lamp housing. The electrical connector having a plug receptacle and a plug is detachably formed, so that the supply line can be separated from the functional housing.

It is conceivable that the upper lamp housing and the lower functional housing form a unit and are enclosed by a one-piece middle part of the headlight housing and the front part and the rear part. But it is also conceivable that the upper lamp housing and the lower functional housing are designed as modular, separate housing parts, wherein the middle part is designed in two parts in this case and the headlight housing has an upper and a lower housing part, which are separable. The connection of the two, a functional housing and a lamp housing forming housing parts of the headlight housing can then be prepared for example via a respective one-piece front and rear part, which act as connecting elements on the end faces of the housing parts. It is also conceivable that a plug connection is provided between the housing parts, by means of which both a mechanical and an electrical connection between the functional housing and the lamp housing can be produced.

In a subdivided into a lamp housing and a functional housing headlight housing, it is advantageous, the front and the rear part in one piece form to connect the headlight housing by means of the front part and the rear part. In particular, the front part and the rear part in this case grasp the middle part so that the central part and thus the upper lamp housing and the lower functional housing are firmly connected to each other via the respective one-piece front and rear part and the axially acting connection means.

It is also conceivable to design the front part and / or the rear part in two parts in order to achieve a completely modular construction of the headlight. In this case, an upper and a lower portion of the front part and the rear part may be connected to each other via a screw or plug connection or the like.

Advantageously, the lamp housing and the functional housing are formed separately from each other such that the lamp housing and the functional housing are independently interchangeable. The electrical connection on the function housing can be solved for this purpose to separate the supply line from the functional housing and connect to the new functional housing. In particular, the modular design of the headlamp allows adaptation of the headlamp for operation with light-generating and light-shaping components of different electrical powers, which is achieved by adjusting the headlamp housing to the components used in each case the most compact design of the headlamp.

Fig. 1

eine perspektivische Ansicht eines Scheinwerfers schräg von vorne;

Fig. 2

eine perspektivische Ansicht des Scheinwerfers gemäß Fig. 1 schräg von hinten;

Fig.3

eine perspektivische Ansicht des Scheinwerfers gemäß Fig. 1 mit abgeklappter Linsenfassung;

Fig. 4A

eine Explosionsdarstellung einer ersten Ausführungsform des elektrischen Anschlusses mit einem Langloch am Scheinwerfer zur ausrichtbaren Befestigung des elektrischen Anschlusses;

Fig. 4B

eine Querschnittansicht durch den elektrischen Anschluss entlang der Linie I-I gemäß Fig. 4A;

Fig. 4C

eine Explosionsdarstellung einer zweiten Ausführungsform des elektrischen Anschlusses mit einzelnen Befestigungsstellen am Scheinwerfer zur ausrichtbaren Befestigung des elektrischen Anschlusses;

Fig. 5

eine perspektivische Teilschnittansicht einer weiteren Ausführungsform des elektrischen Anschlusses mit einem elektrischen Stecker und einer Steckeraufnahme zur Verbindung einer Versorgungsleitung mit dem Scheinwerfer;

Fig. 6

eine schematische Ansicht der Kontur des elektrischen Anschlusses gemäß Fig. 5 mit dem elektrischen Stecker und der Steckeraufnahme in verbundenem Zustand;

Fig. 7

eine schematische Ansicht einer dreipoligen Steckeraufnahme mit drei vertikal zueinander angeordneten Verbindungsstiften;

Fig.8

eine perspektivische Ansicht einer Ausführungsform der Steckeraufnahme mit einer mechanischen Kodierung zur Definition der Einsteckposition des Steckers in die Steckeraufnahme;

Fig. 9

eine perspektivische Ansicht einer weiteren Ausführungsform der Steckeraufnahme mit einer mechanischen Kodierung zur Definition der Einsteckposition des Steckers in die Steckeraufnahme;

Fig. 10A

eine schematische Draufsicht der Steckeraufnahme gemäß Fig. 8;

Fig. 10B

eine schematische Ansicht der Kontur der Öffnung im Scheinwerfergehäuse zur Aufnahme der Steckeraufnahme gemäß Fig. 8;

Fig. 11A

eine schematische Draufsicht der Steckeraufnahme gemäß Fig. 9 und

Fig. 11B

eine schematische Ansicht der Kontur der Öffnung im Scheinwerfergehäuse zur Aufnahme der Steckeraufnahme gemäß Fig. 9.

The basic idea of the invention will be explained in more detail in the following figures with reference to several embodiments. Show it:

Fig. 1

a perspective view of a headlamp obliquely from the front;

Fig. 2

a perspective view of the headlamp according to Fig. 1 diagonally from behind;

Figure 3

a perspective view of the headlamp according to Fig. 1 with folded lens frame;

Fig. 4A

an exploded view of a first embodiment of the electrical connection with a slot on the headlight for alignable attachment of the electrical connection;

Fig. 4B

a cross-sectional view through the electrical connection along the line II according to Fig. 4A ;

Fig. 4C

an exploded view of a second embodiment of the electrical connection with individual attachment points on the headlight for alignable attachment of the electrical connection;

Fig. 5

a partial perspective sectional view of another embodiment of the electrical connection with an electrical connector and a connector receptacle for connecting a supply line to the headlight;

Fig. 6

a schematic view of the contour of the electrical connection according to Fig. 5 with the electrical plug and the plug receptacle in the connected state;

Fig. 7

a schematic view of a three-pin connector receptacle with three vertically arranged connecting pins;

Figure 8

a perspective view of an embodiment of the connector receptacle with a mechanical coding for defining the insertion position of the plug in the connector receptacle;

Fig. 9

a perspective view of another embodiment of the connector receptacle with a mechanical coding for defining the insertion position of the plug into the connector receptacle;

Fig. 10A

a schematic plan view of the connector receptacle according to Fig. 8 ;

Fig. 10B

a schematic view of the contour of the opening in the headlight housing for receiving the connector receptacle according to Fig. 8 ;

Fig. 11A

a schematic plan view of the connector receptacle according to Fig. 9 and

Fig. 11B

a schematic view of the contour of the opening in the headlight housing for receiving the connector receptacle according to Fig. 9 ,

Fig. 1 to 3 show a headlamp 1 with a headlamp housing 10, which includes an upper lamp housing 14 and a lower functional housing 15, which are modular and are interchangeable for configuring the headlamp 1 and for adapting the headlamp 1 for different applications. The enclosed in a floor pan functional housing 15, the functional elements of the headlamp 1, for example, a lamp holder, a socket carrier, a focus or sliding spindle or optionally an igniter containing, and enclosed in a cylindrical aluminum extruded lamp housing 14, in the light-generating and light-forming components of Headlamps 1; such as a lamp and a reflector are arranged, form for themselves modular units of the headlamp housing 10, which are detachable from each other and together form a central part 12 of the headlamp 1.

The middle part 12 is bounded to the front by a front part 11, which in its lower region a trapezoidal front part 112 of the functional housing 15 bordering the bottom trough and in its upper region, in particular in Fig. 3 can be seen, an annular upper portion 111 which defines the cylindrical upper lamp housing 14 to the front. The front part 11 is formed integrally, wherein the lower trapezoidal part 112 of the front part 11 is integrally connected to the upper annular part 111 of the front part 11 and thus constitutes an integral connecting element for the lamp housing 14 and the functional housing 15. It is also conceivable, the front part 11 in two pieces with separate upper and lower parts 111, 112 form.

The back part 13 of the headlight housing 10, in particular the Fig. 2 can be seen, includes the lamp housing 14 and the functional housing 15 comprehensive center part 11 of the headlight housing 10 to the rear and includes similar to the front part 11 a lower, the bottom trough of the functional housing 15 rearwardly bounding, trapezoidal portion 132 and an upper, closed, circular portion 131 which closes the lamp housing 14 to the rear.

The upper part 111 of the front part 11 of the headlight housing 10 is annular and forms a light exit opening 2. As in Fig. 1 is shown in front of the front part 11, a light outlet opening 2 in the radial direction limiting lens frame 23 is arranged, which carries a arranged in front of the light exit opening 2 lens 21 for shaping the emerging light rays and a protective grid 22. On the lens frame 23 holding claws 24 are provided for receiving additional parts, such as diffusers, Farbfolienfiltem or swing gates. The lens frame 23 is hinged, wherein the connection of the lens frame 23 with the headlight housing 10 via a latching or lockable connection means which consists of a hinge 6 (see Fig. 3 ), in which the lens frame is hooked, and consists of a catching mechanism 5. The catch mechanism 5 has a catch hook which engages the lens frame 23 and thus establishes a connection between the spotlight housing 10 and the lens frame 23. For folding down the lens frame 23, the catching hook of the catching mechanism can be released and the lens mount 23 can be pivoted about the swivel joint 6. In Fig. 3 the lens frame 23 is shown in the folded-down from the front part 11 of the headlight housing 10 position in which the held by the lens frame 23 lens 21 can be exchanged or intervened inside the headlight 1.

On the front part 11, a focus knob 7 is arranged, which can be rotationally operated to change the light opening angle of the headlamp 1.

At the middle part 12 of the headlight housing 10, a bracket 3 is displaceably articulated, which in the in Fig. 1 shown position horizontally forward and in Fig. 2 and 3 is oriented vertically downwards. The bracket 3 is hinged to a sliding member 33 via a linkage point 32, wherein the sliding member 33 can be moved to adapt the position of the bracket 3 along a guide 34 on the headlight housing 10. The articulation of the bracket 3 on the headlight housing 10 is variable in position and orientation, so that the headlight 1 can be fastened by means of the bracket 3 both on a tripod and on a rig. The bracket has a U-shaped form, surrounds the headlight 1, starting from its articulation point 32 on Sliding element 33 and is, as in Fig. 2 and 3 shown aligned for mounting the headlight 1 on a stand down and a mounting bolt 31 which is centrally located on the transverse portion of the U-shaped bracket 3, with a tripod, for this purpose a receptacle for latching fastening of the fastening bolt 31st has, connectable. To attach the headlight 1 hanging on a rig, the bracket 3 is pivoted 180 ° about its articulation point 32, so that the bracket 3, starting from the middle part 12 facing upwards and on the fastening bolt 31 with a corresponding receptacle on the rig is engageable.

On the underside of the functional housing 15, a bow-shaped handle 8 for carrying and handling the headlamp 1 is arranged.

The consisting of front part 11, middle part 12 and rear part 13 headlight housing 10 is modular. The front part 11 and the rear part 13 are made of aluminum castings, wherein the front part 11 and the rear part 13 may each be formed in one piece or in two parts. The divided into the lamp housing 14 and the functional housing 15 middle part 12 is made in its upper, cylindrically shaped, the lamp housing 14 comprehensive range of an aluminum extruded profile and in its lower, the functional housing 15 forming region of a trough-shaped bent aluminum part.

In the Fig. 2 shown representation of the headlamp 1 obliquely from behind shows the rear part 13 of the headlight housing 10 connected to the central part 12 of the headlight housing 10, which may be formed integrally or in two parts with separate upper and lower parts 131, 132, wherein in the two-part design a connection between the upper part 131 and the lower part 132 is made for example via a plug or screw connection.

The connection between the rear part 13, the middle part 12 and the front part 11 via axial screw 16, which are arranged distributed on the upper part 131 and lower part 132 of the rear part 13 and through the middle part 12 through into the front part 11 or vice versa starting from the front part 11 the middle part 12 engage in the rear part 13. To disassemble the headlamp 1, the screw 16 are releasably, whereby the connection between the front part 11, middle part 12 and rear part 13th lifted and the headlight housing 10 can be disassembled into its individual parts 11, 12, 13 and the lamp housing 14 and / or the functional housing 15 can be replaced.

To the headlight 1 according to Fig. 1 to Fig. 3 to configure, the axial screw 16 are solved on the back part 13 of the headlight housing 10, and the rear part 13, middle part 12 and front part 11 are separated from each other. The two-part, consisting of the functional housing 15 and the lamp housing 14 middle part 12 can then be taken apart so that the lamp housing 14 and / or the functional housing 15 can be exchanged together with the enclosed by the lamp housing 14 and the functional housing 15 light-generating or light-forming components. In this way, it is possible to combine different lamp housings 14 with different function housings 15 so that the headlamp 1 can be separately configured for each application.

At the middle part 12 of the headlight housing 10, an electrical connection 4 is provided on a wall 151 of the functional housing 15, via which the headlight 1 can be connected to a supply line 403. The electrical connection 4 is in the form of a 90 ° angle descriptive angle plug, which, as will be explained in detail later, has a wall 151 arranged on the plug receptacle and a plug which is perpendicular to the surface for the preparation of the electrical connection Wall 151 plugged into each other can be joined.

In Fig. 1 to 3 only the plug 402 of the electrical connection 4 is visible, which, as in Fig. 1 to 3 shown in the connected state in the connector receptacle on the wall 151 is inserted. The plug 402 is connected to the supply line 403, which extends from the plug 402 parallel to the surface of the wall 151.

The electrical connection 4 is arranged rotatably about a rotation axis D on the wall 151 of the functional housing 15 and can, for example, depending on the attachment of the headlamp 1 standing on a tripod or hanging on a rig, for optimum guidance of the supply line 403 in its orientation around the Rotary axis D to be changed. The axis of rotation D extends perpendicular to Surface of the wall 151 of the functional housing 15, on which the electrical connection 4 is arranged, so that the orientation of the electrical connection 4 about the rotation axis D parallel to the surface of the wall 151 of the functional housing 15 can be adjusted.

In the in Fig. 2 and 3 In the position shown, the electrical connection 4 is in a tripod setting, in which the supply line 403 extending from the electrical connection 4 points obliquely towards the underside of the headlight housing 10, so that when the headlight 1 is mounted by means of the bracket 3, it is standing on a stand Thus, a position in which the underside of the functional housing 15 of the headlight 1 faces the tripod - the supply line 403 is guided from the electrical connection 4 to the stand.

When mounting the headlamp 1 in a hanging position on a rig, the bracket 3 is pivoted by 180 ° and can be connected via the fastening bolt 31 with the rig. In order to achieve the most advantageous possible guidance of the supply line 403, the electrical connection 4 can be rotated, so that in a rigging adjustment, the supply line 403 points upwards from the electrical connection 4 in the direction of the rig.

In FIGS. 4A to 4C different embodiments of a rotatable arrangement of the electrical connection 4 on the headlight 1 are shown.

Fig. 4A shows the electrical connection 4 on the wall 151 of the functional housing 15 in a schematic exploded view. The electrical connection 4 has a plug 402, which is connected to the supply line 403 and can be plugged in to produce the electrical connection in a plug receptacle 401 which is rotatably arranged on the wall 151 of the functional housing 15. Fig. 4A shows the plug 402 and the plug receptacle 401 before making the connection.

In Fig. 4B is the arrangement of the connector receptacle 401 on the wall 151 of the functional housing 15 in a cross-sectional view along the line II according to Fig. 4A shown. How out Fig. 4B it can be seen, the plug receptacle 401 passes through an opening 152 in the wall 151 of the functional housing 15 and abuts with a a receiving housing 401a of the connector receptacle 401 arranged abutment plate 401b back in the edge region of the opening 152 on the wall 151 at. The plug receptacle is connected at the rear to a feed line 401 c which extends from the plug receptacle 401 to the functional elements enclosed in the functional housing 15 and to other components of the headlight 1 to be supplied electrically, and the electrical connection between the supply line 403 and the functional elements and the others Completed components. The abutment plate 401b causes the plug receptacle 401, which is inserted at the rear into the opening 152 of the wall 151, not to be able to slide through the opening 152, and surrounds the receptacle housing 401a either annularly or in the form of individually formed webs.

In the wall 151 of the functional housing 15, two symmetrically arranged around the connector receptacle 401, curved slots 406 are provided, which are formed to receive screw or bolt connection 407, 408. In the assembled state, the screw or bolt connections 407, 408 extend through the slots 406 and openings 404 arranged symmetrically opposite one another in flanges 405 on the plug 402 and fix the electrical connection 4 in a clamping manner on the wall 151. The oblong holes allow the electrical connection 4 can be rotated about the axis of rotation D and aligned in different directions and fixed to the wall 151.

Different embodiments of the screw or bolt connection for fixing the electrical connection 4 to the wall 151 are conceivable. It is conceivable, for example, as in FIGS. 4A and 4B shown on the contact plate 401b of the connector receptacle 401 bolts 407 form, which extend perpendicular to the contact plate 401b and pass through the slots 406. In the assembled state, the bolts 407 reach through the elongated holes 406 and the openings 404 on the plug 402 and are screwed to nuts 408 in such a way that the plug 402 and the plug receptacle 401 are pressed against the wall 151 and the electrical connection 4 is clamped to the wall 151 ,

It is also conceivable to provide threaded receptacles in the abutment plate 401b into which extend through the openings 404 on the plug 402 and the elongated holes 406 Engage screws that connect the plug 402 with the connector receptacle 401 and fix the electrical connection 4 by clamping on the wall 151.

To produce the electrical connection between the supply line 403 and the headlight 1, the plug 402 is inserted into the plug receptacle 401. At the same time, the bolts 407 connected to the plug receptacle 401 are guided through the slots 406 and the openings 404 and fixed by means of a nut 408 to be screwed onto the bolts 407 such that the wall 151 between the contact plate 401 b of the plug receptacle 401 and the flanges 405 of the Plug 402 pinched and the electrical connection 4 is clamped fixed to the wall 151 in its position and held.

Are provided instead of the bolts 407 threaded receptacles in the contact plate 401 b, so after insertion of the plug 402 in the connector receptacle 401 screws through the openings 404 on the plug 402 screwed into the threaded holes in the contact plate 401b and tightened to the electrical connection 4 by clamping the wall 151 to fix.

For re-alignment of the electrical connection 4, the connection is released, the electrical connection 4 is rotated and the connection tightened again, so that the electrical connection 4 is again held in a clamping manner on the wall 151.

In an alternative, in Fig. 4C In the embodiment shown, six individually formed fastening points 406 'are formed in the wall 151 instead of the long holes 406, which define different positions of the electrical connection 4 relative to the wall 151. For mounting screws 409 are guided through the openings 404 on the plug 402 and by two opposite attachment points 406 'and screwed into threaded holes in the contact plate 401 b of the connector receptacle 401. The screws 409 connect the plug 402 with the plug receptacle 401 and clamp the wall 151 between the flanges 405 of the plug 402 and the abutment plate 401b of the plug receptacle 401, to fix the electrical connection 4 by clamping on the wall 151.

In Fig. 4C six attachment points 406 'are shown, the six different, in each case by 60 ° about the rotary ash D relative to each other rotated positions of define electrical connection 4. It is also conceivable, of course, a different number of attachment points 406 '(for example, 4 or 8), wherein it is essential that two attachment points 406' are arranged symmetrically opposite each other in the region of the plug receptacle 401 in the wall 151.

Fig. 5 shows a partial sectional view of an embodiment of the electrical connection 4, in which the electrical connection 4, an electrical plug 402, which is connected to the electrical supply line 403, and a connector receptacle 401, which is arranged on the wall 151 of the functional housing 15 of the central part 12 on the headlight housing 10 is, has. In this variant of the electrical connection 4 of the electrical connector 402 is inserted to establish the electrical connection in the Steckeraeftnahme 401, and the plug 402 and the connector receptacle 401 are twisted together and aligned. The plug receptacle 401 is detachably formed for this purpose by the wall 151 of the functional housing 15, is released for alignment and fixed again after alignment of the electrical connection 4 in order to fix the electrical connection 4 in its aligned position.

Of the arranged on the functional housing 15 connector receptacle 401 is a (in Fig. 5 not shown) electrical connection, for example, to an encapsulated in the functional housing 15 ignitor or other functional elements, so that via the electrical connector 402 and the connector receptacle 401, an electrical connection between the supply line 403 and the functional housing 15 is provided.

In Fig. 6 the electrical connection 4 is shown schematically in a state in which the plug 402 is inserted into the plug receptacle 401 and thus the connection between the electrical supply line 403 and the functional housing 15 is made.

The electrical connection 4 consisting of the plug 402 and the plug receptacle 401 has electrical connection pins 46'ac, 47'ac in the plug receptacle 401, which can be plugged into receptacles 46a-c, 47a-c on the plug 402, so that when plugged in in each case an electrical contact between the connecting pins 46'ac, 47'ac and the receptacles 46a-c, 47a-c and thus between the plug 402 and the plug receptacle 401.

The receptacles 46a-c, 47a-c are each provided with electrical wires (in Fig. 5 for clarity), which extend from the receptacles 46a-c, 47a-c in the supply line 403 and serve to power and control the headlamp 1 in operation. The individual electrical wires of the supply line 403 are connected via contacts 41a-c, 42a-c to the receptacles 46a-c, 47a-c in the plug 402, for example by means of a soldering or clamping connection. Six receptacles 46a-c, 47a-c on the plug 402 and six correspondingly in the receptacles 46a-c, 47a-c insertable connecting pins 46'ac, 47'ac in the connector receptacle 401 are provided and are used to connect the electrical supply line 403 with the Headlight 1 used.

The three connecting pins 46'a-c and 47'a-c of the plug receptacle 401 are each arranged on end points of an imaginary equilateral triangle, wherein the two equilateral triangles formed by the connecting pins 46'a-c or 47'a-c are arranged concentrically with one another. The connecting pins 46'ac, 47'ac receiving receptacles 46a-c, 47a-c in the plug 402 are correspondingly arranged so that when plugging the plug 402 into the plug receptacle 401, the connecting pins 46'ac, 47'ac in the recordings 46a-c, 47a-c glide.

In the embodiment of the electrical connection 4 according to Fig. 5 For example, all six receptacles 46a-c, 47a-c and connection pins 46'ac, 47'ac are used for the electrical supply and control of the headlight 1. The plug 402 in this case can only be plugged into the plug receptacle 401 in an inserted position, and the plug receptacle 401 is rotatably arranged on the wall 151 and can be aligned relative thereto. To lock the plug 402 in the connector receptacle 401 threaded receptacles 48a-c are arranged on the connector receptacle 401, in the screws provided for this purpose on the plug 402 openings (in Fig. 5 not shown), intervene. In this way, the wall 151 between the plug receptacle 401 and the plug 402 can be clamped by means of screw connections, on the one hand to fix the electrical connection 4 in its orientation and on the other hand to secure the connection between the plug 402 and the plug receptacle 401.

In order to define the insertion position of the plug 402 into the plug receptacle 401, the plug 402 and the plug receptacle 401 have a mechanical coding which mechanically ensures that the plug 402 can only be plugged into the plug receptacle 401 in an inserted position. Embodiments of such encoding will be described below with reference to FIG 8 to 11 still described in detail.

In order to establish a mechanically stable connection between the plug 402 and the plug receptacle 401, a hexagonal connecting element 45 is provided on the plug 402, which extends from the plug 402 in the direction of the plug receptacle 401 and when inserting the plug 402 perpendicular to the plug receptacle 401 fit between the Connecting pins 46'ac, 47'ac is insertable.

The electrical plug 402 further has a lock 44, by means of which the electrical supply line 403 can be mechanically locked in the plug 402. Due to the mechanical connection of the electrical supply line 403 to the electrical connector 402, the leads routed in the supply line 403 and connected to the contacts 41 ac, 42a-c in the electrical connector 402 (in FIG Fig. 5 not shown) zugentlastet, so that a force acting on the supply line tensile force is mechanically transmitted to the housing of the plug 402 and not on the receptacles 46a-c, 47a-c attacks.

At the bottom of the plug 402, a seal 43 is provided, which comes to lie between the plug 402 and the plug receptacle 401 when plugged into the plug receptacle 401 plug 402 and prevents moisture in the range of electrical connection pins 46'ac, 47'ac and their recordings 46a-c, 47a-c passes.

Fundamental is in the embodiment of the electrical connection 4 according to Fig. 5 - If no mechanical coding is provided - plugging the plug 402 into the connector receptacle 401 in three different, mutually rotated by 120 ° alignments possible because the connecting pins 46'ac, 47'ac the connector receptacle 401 and the receptacles 46a-c, 47a -c of the plug 402 are arranged on the vertices of fictitious equilateral triangles. This can be exploited to without additional mechanical coding to define three plug-in positions of the plug 402 in the connector receptacle 401 and in this way to obtain an alignability of the electrical connection 4, in which the plug receptacle 401 is fixedly disposed on the wall 151 and rotated to align only the plug 402 and in another Plug-in position in the connector receptacle 401 can be inserted. To make this possible, however, the electrical wires and the corresponding receptacles 46a-c, 47a-c of the plug 402 and connecting pins 46'ac, 47'ac of the plug receptacle 401 must be made redundant in order to design the different plug-in positions electrically equal. In the embodiment according to Fig. 5 For example, one of the connecting pins 46'ac with one of the connecting pins 47'ac may form a pair for this purpose, for example, which can be inserted into a corresponding pair of two receptacles 46a-c, 47a-c. Three identically formed, redundant pairs thus define three electrically equivalent insertion positions in which the plug 402 can be plugged into the plug receptacle 401. In contrast to the embodiment described above, not all six wires can be used simultaneously for the electrical supply of the headlamp 1 in this variant, but only a pair of two connecting pins 46'ac, 47'ac.

Fig. 7 shows a schematic representation of an embodiment of the electrical connection 4, wherein the connector receptacle 401 is fixedly connected to the wall 151 of the headlight housing 10 and the plug 402 can be inserted into two by 180 ° to each other rotated insertion positions in the connector receptacle 401, so that with the supply line 403 connected to the plug 402 (see Fig. 1 to 3 ) can be led away from the electrical connection 4 in two opposite directions R1, R2. In this embodiment, three connecting pins L, PE and N are arranged vertically to each other in the connector receptacle 401, wherein the connecting pin PE assigned to a protective conductor and is arranged centrally between the two remaining connecting pins L, N. This makes it possible to insert the plug 402 rotated by 180 ° in the firmly connected to the wall 151 plug receptacle 401 and accordingly to allow use of the headlamp 1 in a tripod and a rigging position in which the supply line 403 in a first Direction R1 or in a second direction R2 from the electrical connection 4 toward the tripod or rigging is performed.

The embodiment of the electrical connection 4 according to Fig. 7 is without additional mechanical coding (or with a two opposite insertion positions defining coding) suitable for incandescent headlamps, since this is because of the use of an incandescent filament interchanging the neutral conductor (connecting pin N) and the phase conductor (connecting pin P) is allowed, resulting in a Daylight headlight is not possible. This embodiment enables a particularly simple and, if required, also very small design of the plug receptacle 401 and thus of the electrical connection 4.

In Fig. 8, 9 . 10A, 10B . 11A, 11B show two different embodiments of an electrical connection 4 with a connector receptacle 401, in which a mechanical coding by means of juxtaposed hexagonal projections and depressions 411-416 is formed, in each of which an electrical connection pin 46'ac, 47'ac for electrical connection of the connector receptacle 401 is inserted with the plug 402. Components of the same function are provided below, as far as appropriate, with the same reference numerals.

A first embodiment of the plug receptacle 401 with coding is in Fig. 8 shown in a perspective view of the connector receptacle 401 on the wall 151 of the headlight housing 10. Fig. 10A shows a plan view of the connector receptacle 401 according to Fig. 8 and Fig. 10B the contour of the opening 152 in the wall 151 of the headlight housing 10, in which the connector receptacle 401 is held.

The mechanical coding of the plug receptacle 401 is formed by substantially hexagonal protrusions and depressions 411-416 formed in the plug receptacle 401 and causing a plug 402 (in FIG Fig. 8 and 10A, 10B not shown) can only be inserted in an insertion position, ie in an orientation in the connector receptacle 401. By the elevations and depressions 411-416 a non-uniform, stepped base of the connector receptacle 401 is formed, which is thus coded, so that corresponding plug 402 provided on surveys and depressions only in an orientation of the plug 402 fit between the elevations and depressions 411-416 the plug receptacle 401 can be inserted. The elevations and depressions of the plug 402 are designed for this purpose such that a Survey 411, 413 of the connector receptacle 401 a recess of the plug 402 and vice versa a recess 412, 413, 414, 415 of the connector receptacle 401 is assigned a survey of the plug 402. Only when the plug 402 is positioned and aligned relative to the plug receptacle 401, the plug 402 can be inserted into the plug receptacle 401, wherein the connecting pins 46'ac, 47'ac slide into the receptacles 46a-c, 47a-c and the electrical Establish contact between the plug receptacle 401 and the plug 402.

At the in Fig. 8 and Figs. 10A and 10B In the illustrated embodiment, the plug 402 can thus only be inserted into the plug receptacle 401 in one position. For aligning the electrical connection 4, the plug receptacle 401 and the plug 402 are twisted together relative to the wall 151 and then fixed in the desired position on the wall 151.

The plug receptacle 401 has in its edge region projections 410, which for the arrangement of the connector receptacle 401 on the wall 151 from the interior of the headlight housing 10 through recesses 153 of the opening 152 in the wall 151 (see Fig. 10B ), so that the abutment plate 401b of the connector receptacle 401 (see Fig. 10A ) comes back on the wall 151 to the plant. Subsequently, the plug receptacle 401 is rotated relative to the wall 151 such that recesses 417 in the edge region of the plug receptacle 401, as in Fig. 8 shown, in the region of recesses 154 in the contour of the opening 152 of the wall 151 pass, so that the projections 410 webs 153 'engage in the edge region of the opening 152 holding.

In the in Fig. 8 shown position of the connector receptacle 401 screws can be screwed from the outside through the recesses 417, 154 in the threaded sockets 48a-48c in the contact plate 401b to fix the connector receptacle 401 on the wall 151. By means of the screwed into the threaded sockets 48a-48c in the contact plate 401b and the recesses 417, 154 by cross-bolts, the electrical connection 4 is fixed on the one hand to the wall 151 and on the other hand, by the screws pass through openings on the plug 402, the connection between the plug receptacle 401st and the plug 402 secured.

At the in Fig. 8 and Figs. 10A and 10B illustrated embodiment, three different, mutually rotated by 120 ° positions of the connector receptacle 401 relative to the wall 151 are possible. The orientation of the electrical connection 4 can be changed by removing the screws from the threaded sockets 48a-48c, twisting the electrical connection 4 in the desired manner and screwing the screws for fixing the electrical connection in its changed position into the threaded sockets 48a-48c.

A second embodiment of the plug receptacle 401 with a coding is in Fig. 9 in a perspective view and in Figs. 11A and 11B in a plan view of the connector receptacle 402 and in a view of the contour of the opening 152 in the wall 151 shown. Analogous to the embodiment according to FIG Fig. 8 and Figs. 10A and 10B bumps and depressions 411-416 are used in the form of hexagons, which define a stepped base of the plug receptacle 401 and allow insertion of a corresponding plug 402 only in a single insertion position.

In a modification of the embodiment according to Fig. 8 and Figs. 10A and 10B have in the embodiment according to Fig. 9 and Figs. 11A and 11B the internal connection pins 46'ac have a smaller diameter than the outer connection pins 47'ac without significantly changing the structure of the connector receptacle 401 and the associated connector 402.

The plug receptacle 401 has projections 410 which are guided for the arrangement of the plug receptacle 401 in the opening 152 from the interior of the headlight housing 10 through recesses 153 of the opening 152, so that the abutment plate 401b of the plug receptacle 401 comes to rest against the wall 151. The protrusions 410 are formed in end regions of a substantially U-shaped raised mounting portion 417 'extending outwardly from the abutment plate 401b through the opening 152 and adapted to secure the plug receptacle 401 to the wall 151 in the region of recesses 154 is rotated in the contour of the opening 152, so that the projections 410, as in Fig. 9 shown, the edge region of the opening 152 in the region of webs 153 ', which laterally adjoin the recesses 154 in the contour, and hold the plug receptacle 401 in the opening 152.

To fix the connector receptacle 401 on the wall 151 screws are screwed into the threaded socket 48a-48c of the contact plate 401b, which pass through the mounting portion 417 'and the recesses 154 and in this way the connector receptacle 401 together with the inserted into the connector receptacle 401 plug 402 at fix the wall 151 in position and position. For realignment of the electrical connection 4, the screws are released from the threaded sockets 48a-48c, the connector receptacle 401 is rotated together with the plug 402, and the electrical connection 4 is fixed in the new position by screwing the screws into the threaded sockets 48a-48c.

Analogous to the embodiment according to FIG Fig. 8 and Figs. 10A and 10B are in the embodiment according to Fig. 9 and Figs. 11A and 11B provided three different positions of the electrical connection 4 on the wall 151, which are each rotated by 120 °.

In the Fig. 8, 9 . 10A, 10B . 11A, 11B shown plug receptacles 401 show different degrees of possibilities of mechanical coding of the connector receptacle by means of rowed hexagons, in the electrical connection pins 46'ac, 47'ac for electrical contact with the male in the receptacle 401 male connector 402 (in Fig. 8, 9 . 10A, 10B . 11A, 11 B not shown) are embedded. The juxtaposed hexagons are inserted at different depths into the base area of the plug receptacle 401, so that a plug 402 can be inserted and electrically contacted only in a predetermined direction in the plug receptacle. The embodiment according to Fig. 9 . 11A, 11B Here, in terms of the arrangement of hexagonal elevations and depressions 411-416 space-optimized embodiment of the embodiment according to Fig. 8 . 10A, 10B represents.

Totally different embodiments of the headlight 1 using the inventive concept are conceivable. It is essential here that an alignable electrical connection 4 is provided, which can be rotated and aligned so that the guidance of the supply line 403 can be specifically adapted to the position and mounting of the headlight 1.

LIST OF REFERENCE NUMBERS

1

headlights

10

headlamp housing

11

front part

111

Upper part of the fron part

112

Lower part of the front part

12

midsection

13

rear part

131

Upper part of the back part

132

Lower part of the back part

14

lamp housing

15

function housing

151

wall

152

opening

153, 154

recess

153 '

web

16

screw

2

Light opening

21

lens

22

guard

23

lens mount

24

retaining claw

3

hanger

31

mounting bolts

32

articulation point

33

Slide

34

guide

4

Electrical connection

401

plug receptacle

401

Receiving housing 401b bearing plate

401 c

supply

402

plug

403

supply line

404

opening

405

flange

406

Long hole

406 '

fastening point

407

bolt

408

mother

409

screw

410

head Start

411-416

coding

417

recess

417 '

fastening area

41 a-c

Contact

42a-c

Contact

43

poetry

44

lock

45

connecting element

46a-c

admission

46'a-c

connecting pin

47a-c

admission

47'a-c

connecting pin

48a-c

threaded socket

5

catch mechanism

6

swivel

7

focus knob

8th

Handle

L, N, PE

connecting pin

R1, R2

Direction for routing the supply line

Claims (15)

1. A spotlight for illumination in film, studio, event or theatre environments, with an electrical terminal for connecting the spotlight to a supply line for supplying electricity to the spotlight,
   characterized in
   that the electrical terminal (4) is rotatably mounted on the spotlight (1) and is adjustable in its alignment to connect the spotlight (1) to the supply line (403), wherein the position of the electrical terminal (4) is rotatable in dependence on the arrangement of the spotlight (1) in order to supply the electric supply line (403) to the spotlight (1) from different directions and to connect it to the spotlight from different directions.
2. The spotlight according to claim 1, characterized in that the electrical terminal (4) is arranged on a spotlight housing (10) of the spotlight (1).
3. The spotlight according to claim 2, characterized in that the electrical terminal (4) is arranged on a wall (151) of a function housing (15) of the spotlight housing (10), which contains functional elements.
4. The spotlight according to claim 3, characterized in that the electrical terminal (4) can be rotated about an axis of rotation (D), which is directed vertical to the surface of the wall (151) of the function housing (15) carrying the electrical terminal (4), and can be aligned parallel to the wall (151) of the function housing (15).
5. The spotlight according to any of the preceding claims, characterized in that for mounting the spotlight (1) on a stand, the electrical terminal (4) can be aligned in a first direction, and for mounting the spotlight (1) on a rig, the electrical terminal (4) can be aligned in a second direction different from the first direction.
6. The spotlight according to any of the preceding claims, characterized in that the electrical terminal (4) can be fixed in its aligned position on the spotlight (1) by means of a latching, clamp or screw connection.
7. The spotlight according to claim 6, characterized in that a curved oblong hole (406) or a plurality of mounting points (406') are arranged on the spotlight (1) as a receptacle for a screw connection for fixing the electrical terminal (4) in different positions.
8. The spotlight according to any of the preceding claims, characterized in that the electrical terminal (4) includes an electric connector (402), which is connected to the electric supply line (403), and a connector receptacle (401), which is arranged on the spotlight housing (10), wherein the electric connector (402) can be plugged into the connector receptacle (401) for connection of the supply line (403).
9. The spotlight according to claim 8, characterized in that the connector receptacle (401) is rotatably mounted on the spotlight housing (10).
10. The spotlight according to claim 8, characterized in that the electric connector (402) and the connector receptacle (401) include a mechanical coding, which ensures that the connector (402) can be plugged into the connector receptacle (401) in a defined alignment.
11. The spotlight according to claim 8, characterized in that the electric connector (402) can be plugged into the connector receptacle (401) in different positions rotated with respect to the connector receptacle (401) about the axis of rotation (D).
12. The spotlight according to claim 8, characterized in that the electrical terminal (4) includes a safety switching device, which only enables the electrical terminal (4) when the connector (402) is connected with the connector receptacle (401).
13. The spotlight according to any of the preceding claims, characterized in that the spotlight housing (10) of the spotlight (1) includes a front part (11), a middle part (12) and a rear part (13) for accommodating light-generating and light-forming components of the spotlight (1) and the spotlight housing (10) is of the modular type, wherein the front part (11), the middle part (12) and the rear part (13) are connected with each other by at least one connecting means (16) acting in axial direction of the spotlight (1), and by releasing the connecting means (16) the front part (11), the middle part (12) and the rear part (13) of the spotlight housing (10) can be demounted for configuration of the spotlight (1).
14. The spotlight according to claim 13, characterized in that the front part (11) and the rear part (13) constitute aluminium castings, and the middle part (12) at least partly constitutes an aluminium extruded section.
15. The spotlight according to claim 13 or 14, characterized in that the spotlight housing (10) comprises an upper lamp housing (14) for accommodating a lamp and a reflector and a lower function housing (15) for accommodating functional elements of the spotlight (1), wherein the electrical terminal (4) is arranged on the function housing (15) and

    - the upper lamp housing (14) and the lower function housing (15) are connected with each other by the front part (11) and the rear part (13), wherein the front part (11) and/or the rear part (13) are formed in one piece, or

    - the front part (11) and/or the rear part (13) are formed in two pieces with an upper part (111, 131) and a lower part (112, 132), and the upper lamp housing (14) and the lower function housing (15) can pluggably be connected with each other by means of a plug-in connection.

Images