DE202009001629U1 - Device for holding an active panel - Google Patents

Abstract

Apparatus for mounting a substantially vertically arranged panel, in particular an active panel (2), on a wall (10) and / or on at least one vertically arranged pylon, comprising a cantilevered beam to which a projector with a fixed distance to the panel (2 ), and a shuffling mechanism (4) for pivoting the panel (2) between a first position and a second position, the panel (2) being inclined forwards in the first position and rearward in the second position.

Description

The The invention relates to a device for attaching a substantially vertically arranged panel, in particular an active panel, on a wall and / or on at least one vertically arranged pylon. The invention further relates to a panel system comprising a writing board and an active board.

When Active board becomes interactive in the context of the invention Chalkboard, on which, for example, with an electronic Pen or the like is drawn. Using a projector, colloquially referred to as a projector, a picture of a Calculator projected onto the active board. The signal of the electronic Pen is recorded from the blackboard and, for example, via radio control transferred to the computer. The active panel serves as input medium and allows direct control of the computer from the blackboard.

A panel system consisting of an active panel and a writing board is for example out EP 1 513 126 A1 known, wherein the two panels are slidably mounted between two pylons in the vertical direction.

It Object of the invention, a device for height-adjustable Holding a substantially vertically arranged active panel in to create a space, especially a classroom, with a Access to the active board for both an active user, as well as being optimized for a passive user. As active Users become thereby a lecturer, for example a teacher or a referee, who, by means of the active board, designates a teaching content taught. On the other hand, a passive user becomes a recipient of the teaching content, for example, a student or student.

The The object is achieved by a device for attachment a substantially vertically arranged panel, in particular an active board, on a wall and / or at least one vertically arranged, comprising a cantilever, to which a Projector can be attached with a fixed distance to the panel, and a porch mechanism for pivoting the panel between a first position and a second position, wherein the panel in the first position forward and in the second position after inclined at the rear.

The invention is based on the recognition that in school mode, for example, from EP 1 513 126 A1 known, vertical arrangement of an active panel from an ergonomic point of view is not optimal for the active and / or the passive user. In order to enable optimal use is therefore provided according to the invention that the active panel in a first position in which the active panel is not to be described and, for example, a film is projected onto the active panel, is inclined forward, so as to give the pupils an optimal insight enable. In a second position, however, in which the active panel is "described" by the presenter, it has turned out to be ergonomically favorable to incline the active panel towards the rear an upper panel edge further into a space, ie in the direction of the observer, protrudes, as a lower panel edge.Accordingly, an inclination of the active panel towards the rear means that a lower panel edge projects farther into the room than an upper panel edge.

Of the Projector preferably has an ultra-wide-angle lens. When Ultra-wide-angle lens becomes a lens with a projection ratio, d. H. a ratio of projection distance to image width, of at most 1.6: 1, preferably at most 1: 1, in particular maximum 0.8: 1, designated. For powerful images is a small projection distance particularly advantageous because it disturbing shadow effects can be avoided. In addition, the cantilever beam protrudes less strong in the room, leaving more room for Teacher and / or student remains, and / or room for other systems remains usable. Depending on the design of the projector and / or a desired image size can be a distance of less than 1 m, preferably from about 70-90 cm between a projector and the panel. By the Device are the projector and the panel at a fixed distance arranged to each other, so that a repeated adjustment after switching of the projector can be omitted. Simultaneously with the inclination of Blackboard to the rear, pivots over the cantilever projector connected to the panel up, the more headroom to ensure.

In an advantageous embodiment comprises the pivoting mechanism at least two levers of unequal length, with the levers with the panel spaced from each other in the vertical direction, hinged are connectable. By the lever is easily a pivoting mechanism feasible, which has a high robustness. The blackboard will adjusted while pivoting in height. Preferably is the shorter lever above the longer lever arranged. The board is so in an upper position forward inclined. In other embodiments, the shorter lever arranged below.

In a further embodiment, the pivoting mechanism comprises at least one linkage. A linkage allows a robust Ge staltung the pivoting mechanism, which is not susceptible to contamination or the like. The panel is preferably connected to the device at at least two vertically spaced force introduction points. The linkage is coupled in an advantageous embodiment with a connection of the active panel to a holding device via a rotary joint. The linkage and the rotary joint are spaced apart in the vertical direction. The hinge may comprise a boom, that may be arranged projecting from the plane of the wall. Depending on the position of the joint gear, a connection point of the joint gear on the active board projects further into a space as a connection point of the rotary joint or vice versa, so that the board is tilted forwards or backwards. In this case, in one embodiment, the rotary joint is arranged below the linkage. In another embodiment, the rotary joint is arranged above the linkage.

In a development of the device comprises the pivoting mechanism at least one upper and one lower linkage. The linkage In one embodiment, each have two members, wherein the Links of the lower linkage are longer than the Links of the upper linkage. This is a pivoting movement, in which the active panel is inclined backwards, simply by Applying a tensile force at the lower end of the table feasible.

In a development of the invention, the linkage over coupled to a push rod. The push rod can do it at the same time also as a point of attack to initiate a pivoting movement of serve outside.

In In another embodiment, the pivoting mechanism comprises at least a gas spring with two stable states through which the active panel held in the first or second position is. The gas spring helps the user to pivot the active board. In addition, the gas spring supports a Securing the active panel in a reclined position during "writing", so that unwanted pivoting when writing is prevented. In advantageous embodiments are for this Purpose additional securing means provided.

Of the Swiveling mechanism is in one embodiment in a guide rail system integrated and / or coupled with this, so the panel is height adjustable. In one embodiment, the movements coupled so that when adjusting in the vertical direction automatically a pivoting takes place. In other embodiments, a pivoting takes place before, during and / or after a vertical adjustment by a user. Depending on the design of the active panel, the guide rail system at lateral edges and / or substantially in the middle a rear side of the active panel be arranged. At a lateral guide rail system are preferably on both side edges of the active panel parallel and coupled together Lever, Gelenkgetriebe- or rotary joint pairs provided.

In a further embodiment, the guide rail system at least one guide rail with an arcuate and / or kinked course. The guide rail system functions doing as a pivoting mechanism in the manner of a slotted guide, wherein when adjusting the panel this transferred to a suitable tilt position becomes. In this case, the guide rail depending on the design a gradual panning or panning in cause an end region.

In a development of the device is at least one stop, as a start roller or a mandrel provided by which the Swiveling mechanism activatable when adjusting the active panel is. This can be prevented in particular that the Active board when moving in an inappropriate tilt position collided with other objects or a room wall or ceiling.

The The object is further solved by a board system comprising an adjustable active board and a writing board. Especially in schools, teaching is exclusively with multimedia facilities not always desired or useful. As a writing board will then in connection with the invention both a classic chalk board or green board, as well as a so-called white board or whiteboard, which is not used interactively. The pivoting mechanism causes an adjustment of the panel, so that the board, especially the active board, in the first position, in which she is not to be described, take a look at the writing board not adjusted. Preferably, the panel is in the first position arranged behind the writing board. In the second position is on the other hand, the active panel is preferably arranged in front of the writing board, so do not look at the active board from the writing board is covered.

In an advantageous embodiment, the writing board is height adjustable. By means of the pivoting mechanism according to the invention, a collision of the panels during displacement in the vertical direction is prevented. For this purpose, in the first position, the panel is preferably located outside the movement path of the writing board. A guide rail system for the writing board is common in one embodiment with a guide rail system and / or the pivoting mechanism for the active panel may be arranged in lateral pylons.

Further Advantages of the invention will become apparent from the dependent claims and from the following description of embodiments of the invention, which are shown schematically in the drawings. For the same or similar components are in the Drawings used uniform reference numerals. As part of a Embodiment described or illustrated features can as well in another embodiment used to form a further embodiment of the invention to obtain.

In The drawings show schematically:

1 an embodiment of a panel with a device according to the invention in a side view;

2 : a device similar 1 in a front view;

3 an embodiment of a panel system according to the invention in a side view;

4 a device according to the invention for adjusting and pivoting an active panel in a first position and

5 : the device according to 4 in a second position.

1 schematically shows a side view of a panel 2 , which by means of a device according to the invention 1 on a wall 10 is appropriate. At the blackboard 2 it is preferably an active board. The device 1 includes a cantilever beam 12 on which a projector 3 with a fixed distance to the board 2 attachable, and a Verschenkmechanismus 4 for pivoting the board 2 between a first dashed line position (indicated by a prime reference) and a second position, wherein the board 2 14 in the first position forward and in the second position is inclined backwards. The pivoting mechanism 4 comprises in the illustrated embodiment, two pairs of levers, each with a lever 40a and a lever 40b , wherein in the illustrated view only one lever 40a . 40b is visible. The second lever is through the illustrated lever 40a . 40b covered.

The levers 40a of the first pair of levers are shorter than the levers 40b of the second lever pair. This will when moving the panel 2 achieved that the blackboard 2 two different inclinations takes. By the pivoting mechanism 4 is also a height adjustment of the panel 2 realized, the panel 2 is higher in the first position than in the second position. A Verschwenkweg the lever 40a . 40b is schematically indicated by dash-dot lines.

The pivoting mechanism 4 includes at least one gas spring 42 with two stable states. By means of the gas spring 41 is the blackboard 2 held in the first or second position.

2 shows a front view of a device 1 similar 1 , Uniform reference numbers are used for the same components.

The device 1 includes a frame 13 , at the back of which in 2 invisible adjustment mechanism 4 is arranged. At a lower edge of the frame 13 is a handle 14 provided by which an easy handling is possible. The handle 14 may also serve as a shelf for chalk, pens, a sponge or the like in one embodiment. The cantilever beam 12 protrudes in the illustrated embodiment angularly upwards and forwards from the frame. Depending on the projector type, the height and length of the cantilever beam can be 12 be selected suitable.

3 schematically shows a side view of a panel system according to the invention comprising an active panel 2 . 2 ' and a writing board 5 , The active board 2 . 2 ' is in 1 in both an upper position, indicated by reference numbers indicated by a dash, and in a lower position. The active board 2 . 2 ' is by means of an adjustment system comprising a guide rail 6 , an upper roller 61 . 61 ' and a lower roll 62 . 62 ' adjustable between the upper position or position and the lower position or position. In advantageous embodiments, the device 1 for adjusting the active panel 2 . 2 ' as shown between two pylons 7 arranged, with the blackboard on both sides 2 . 2 ' one pylon each 7 is provided, of which, however, in 1 only one is visible. At every pylon 7 is each a guide rail 6 to move the writing board 5 intended. For adjusting the active panel 2 . 2 ' is provided an upper pair of rollers and a lower pair of rollers, which are each rigidly connected to each other, of which, however, in 1 also only one role 61 . 62 is visible. The upper roll 61 and the bottom roll 62 are in the illustrated embodiment by a rod 63 interconnected so that the distance between the rollers 61 . 62 is fixed.

Accordingly, to move the writing board 5 an upper pair of rollers with an in 1 visible role 51 and a lower pair of rollers with an in 1 visible role 52 intended.

The active board 2 is over a cantilever 12 with a projector 3 connected. Through the projector 3 can the display of a computer not shown on the active board 2 be projected. In addition, an operation of the computer is directly on the active board 2 by a so-called electronic pen or the like possible.

According to the invention, the device comprises 1 for attaching the active board 2 . 2 ' at the pylons 7 a pivoting mechanism 4 through which the active panel 2 . 2 ' when adjusting between the upper position of the active panel 2 ' and the lower position of the active panel 2 is pivotable, so the active panel 2 ' in the upper position as shown to the front and in the lower position 2 as shown inclined to the rear. Through the cantilever beam 12 . 12 ' remain both the distance between the active board 2 . 2 ' and the projector 3 . 3 ' , as well as an orientation of the projector 3 . 3 ' to the active board 2 . 2 ' regardless of a tilt position of the active panel 2 . 2 ' constant. It has been found that a forward tilted position of the active panel 2 ' in which the active board 2 ' can be brought as close to a ceiling, is particularly advantageous for viewing the active panel 2 ' from in 2 not shown rows of chairs.

To describe the active board 2 By means of an electronic pen or the like, it has been found to be particularly advantageous when the active panel 2 as shown is inclined in a lower position to the rear. A description of the active board 2 is ergonomically particularly favorable for a lecturer, for example a teacher.

In the illustrated embodiment, the pivoting mechanism comprises 4 one of the upper roll 61 associated swivel joint 44 and one of the lower rollers 62 associated linkage 45 with a first lever 45a and a second lever 45b , which have a joint 45c are pivotally connected to each other.

In the illustrated embodiment, a mandrel is on the ceiling 8th provided by which the active panel 2 ' in the in 1 shown, forward inclined position is forced. The active board 2 . 2 ' can continue through in 1 Not shown coercion means, such as a spring or the like, be forced into the rearwardly inclined position, wherein the mandrel 8th the active board 2 ' adjusted against the restoring force of the force. When moving the active board 2 ' down, ie away from the thorn 8th , so becomes the active board 2 in the in 3 shown pivoted backward position due to the restoring force of the coercive means.

In other embodiments, coercive means may be provided which force the panel into a forwardly inclined position, with an adjustment in the in 1 represented, tilted rearward position of the active panel 2 by a point of contact, such as a roll, a mandrel or the like. In still other embodiments, pivoting is done manually by a user. In this case, means are advantageously provided which a collision of the projector 3 prevent when adjusting in the direction of the ceiling with the ceiling and / or with attached facilities. In addition, gas pressure springs or the like may be provided, through which the user when pivoting the active panel 2 is supported.

4 and 5 schematically show an alternative embodiment of a device according to the invention 1 in a first, forwardly inclined position ( 4 ) or a second, rearwardly inclined position ( 5 ). Uniform reference symbols are used for the same elements. A detailed description of these components will be omitted. For a better overview, see 4 and 5 no projector 3 shown. The device 1 according to the 4 and 5 However, as well as in 1 illustrated device on a cantilever. The active board 2 ' . 2 is about roles 61 . 62 along a rail 6 adjustable in height or fixed to a wall or attached to pylons. In the illustrated embodiment, each attachment point is 61 . 62 each a linkage 46 . 47 assigned. The linkage 46 . 47 each have a pivotable with the connection points 61 respectively. 62 connected first lever 46a . 47a and one swiveling with the active board 2 connected second lever 46a respectively. 47b on, each with a joint 46c respectively. 47c connected to each other. The levers 47a . 47b of the lower linkage 47 are longer than the levers 46a . 46b of the upper linkage 46 , This causes the active panel 2 in the in 5 shown extended arrangement of the linkage 46 . 47 tilted backwards.

For coupling the movement of the linkage 46 . 47 is still a push rod 48 provided, which with the upper joint 46c and with the roller-side lever 47a of the lower linkage 47 each pivotally connected.

Through a start-up roller 8th becomes when coupled with a guide rail 6 achieved that when moving the active panel 2 down the active board 2 from the in 4 shown tilt in the in 5 shown tilted position is transferred.

Between the upper roll 61 and the lower roll 62 is a pole 63 provided by which the distance between the rollers 61 . 62 is fixed. By applying a force to the Aktivta fel 2 is in the 4 and 6 illustrated embodiment, a height adjustment and / or pivoting of the active panel 2 manually possible. The adjustment and the pivoting movement can be coupled by means not shown, suitable coupling means, so that depends on a height of the active panel 2 to set a tilt. In addition, securing, stop and / or constraint elements may be provided, through which the linkage 46 . 47 and / or the active board 2 in one or both of the 4 or 5 Locked positions are shown and / or forced into these positions by acting forces.

By the pivoting mechanism according to the invention ensures that the active panel 2 for writing or for multimedia presentations is arranged in each case in an ergonomically favorable tilt position.

Through the cantilever beam 12 remains a projector 3 in every tilt to the active board 2 aligned. The pivoting also ensures optimum irradiation of the surface in the upper position and sufficient headroom in a lower position.

By favorable arrangement of the pivoting mechanism also remains at least in an upper position a mobility of a second writing board 3 receive.

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - EP 1513126 A1 [0003, 0006]

Claims (11)

Device for attaching a substantially vertically arranged panel, in particular an active panel ( 2 ), on a wall ( 10 ) and / or on at least one vertically arranged pylon, comprising a cantilever beam on which a projector with a fixed distance to the panel ( 2 ) is attachable, and a Verschenkmechanismus ( 4 ) for pivoting the panel ( 2 ) between a first position and a second position, wherein the panel ( 2 ) is inclined forwards in the first position and towards the rear in the second position. Apparatus according to claim 1, characterized in that the pivoting mechanism ( 4 ) at least two levers ( 40a . 40b ) of unequal length, the levers ( 40a . 40b ) with the board ( 2 ) spaced apart from each other in the vertical direction, are hingedly connected. Apparatus according to claim 1, characterized in that the pivoting mechanism ( 4 ) at least one linkage ( 45 . 46 . 47 ). Apparatus according to claim 3, characterized in that the pivoting mechanism ( 4 ) at least one upper and one lower linkage ( 46 . 47 ). Apparatus according to claim 4, characterized in that the linkage ( 46 . 47 ) via a push rod ( 48 ) are coupled. Device according to one of claims 1 to 5, characterized in that the pivoting mechanism at least one gas spring ( 42 ) with two stable states through which the panel ( 2 ) is held in the first or second position. Device according to one of claims 1 to 5, characterized in that a guide rail system ( 6 ), the board ( 2 ) by means of the guide rail system ( 6 ) on the wall ( 10 ) and / or on the at least one vertically arranged pylon ( 5 ) is height adjustable attachable. Apparatus according to claim 7, characterized in that the guide rail system ( 6 ) has at least one guide rail with an arcuate and / or kinked course. Device according to one of claims 7 or 8, characterized in that at least one stop, in particular a starting roller ( 8th ) or a thorn ( 8th ), is provided, by which the pivoting mechanism ( 4 ) is activated when height adjustment of the panel. Panel system comprising a panel, in particular an active panel ( 2 ) with a device ( 1 ) according to one of claims 1 to 9 and a writing board ( 5 ). Panel system according to claim 10, characterized in that the writing board ( 3 ) is height adjustable.