DE102008043508A1 - Computerized system, particularly advanced virtual reality system, has machine tool, particularly hand tool, where mobile visualization device is provided for visualizing information related to machine tool - Google Patents

Abstract

The computerized system has a machine tool (1), particularly a hand tool, where a mobile visualization device (4) is provided for visualizing the information related to the machine tool. A transmitting and receiving medium is provided for permitting data transfer between the machine tool and the visualization device.

Description

State of the art

The The invention relates to a system for the computer-aided extension of the perception of reality (extended Reality / augmented Reality).

techniques the augmented reality are increasingly for Designers and designers used. By extending the reality to additional information can be many workflows significantly simplify.

Machine tools, such as hand drills or cordless screwdrivers are increasingly displaying Assistance and comfort functions. This is directly on the Machine tool attached a display, about which additional information, such as For example, the display of an angle of the machine tool for surface to be processed, or the current borehole depth, for example in dentistry, can be displayed. adversely in the known machine tools with display is that reading the displayed information is not comfortable, for example because there is dirt / dust / fog around the display, or because the tool due to the working position an unfavorable relative position to the field of view of the user, for example when drilling over head, occupies.

Disclosure of the invention

Technical task

Of the Invention is based on the object, the ease of use of machine tools to increase.

Technical solution

These Task comes with an augmented reality system with the features of claim 1. Advantageous developments of the invention are specified in the subclaims. In the context of the invention, all combinations of at least two of which are disclosed in the specification, claims and / or figures Features.

Of the The invention is based on the idea of the techniques of the extended reality to use in connection with a machine tool such that the machine tool associated with a mobile visualization device is that is wireless signal-conducting connected to the machine tool, around the user (operator) working with the machine tool, preferably a hand tool, such as a drill or a cordless drill, to facilitate by the visualization device the user at least one in connection with the machine tool and / or one-step information in the field of view einblendet. The main advantage of providing an over transmitting and receiving means with the machine tool related mobile, d. H. on the body and / or The clothes portable visualization device is in the present Case in the easy way to capture or perceive this information to the user in a challenging industrial or handicraft environment. Especially can by providing a wireless communicating with the machine tool Visualization device relevant information in each machining position the machine tool can be optimally viewed relative to the user. Thereby can the work to be done with the machine tool more accurately and performed safer become. It is particularly preferred if the visualization device has a standardized interface with the machine tool, such that the visualization device simultaneously or alternatively with at least two, preferably with a plurality of machine tools can be operated, d. H. can be used.

In Development of the invention is provided with advantage that the Visualization device Fixing means for fixing in the field of vision of a user. This is the visualization device preferred on the body or fixable on the clothing of the user, such that himself the visualization device, at least partially, in the field of view of User, so that he sees the information displayed can read comfortably.

Especially preferred is an embodiment in which the visualization device is designed in the manner of a pair of spectacles which is preferred on the one hand on the ears and on the other bridge of the nose supported by the user. It is very particularly preferred if the visualization device here simultaneously in the manner of a, preferably tub-shaped, Protective goggles is formed, preferably such that they The user's field of vision also laterally surrounds the eyes of the user Protect user from flying particles, etc.

With regard to the formation or nature of the information to be visualized by means of the visualization device, there are a multiplicity of possibilities. It is essential that the information to be transmitted is related to the machine tool or the work process. It is particularly interesting to have at least one status information about the current processing status or about a machine tool parameter, for example the accumulator charging state, in view to visualize the user's field. It is particularly preferred if the information shown contains status information about the orientation of the machine tool to a workpiece, in particular to a workpiece surface. In addition or as an alternative, the distance of the machine tool to a workpiece or to a specific location may be indicated as information, for example at the hand of the user. Furthermore, it is possible to specify a processing depth, in particular a borehole depth, as status information. It is also possible to provide status information as a material quality information, that is, information about the nature of the workpiece to be machined. To obtain this information, it is possible, for example, for the workpiece to be analyzed, for example optically, and / or the corresponding information can be retrieved via a database and visualized by the visualization device. As a status information, for example, the current temperature, for example, the engine of the machine tool or the processing area can be specified. Additionally or alternatively, the current torque of the machine tool or an actuatable by means of the machine tool can be displayed. Interesting for a variety of applications is also the indication of the current speed or the current stroke.

As already mentioned, It may be advantageous to the Akkumulatorladezustand and / or the To visualize battery charge status.

According to one particularly preferred embodiment the information to be displayed is a camera image, preferably one Editing area, where the camera for recording or for providing this information alternatively on the machine tool or at the Visualization device can be provided. Also it is possible both on the machine tool as well as on the visualization device in each case at least one, in particular designed as a digital camera, Camera to arrange. The camera image or an illustrated one is preferred Detail in steps or continuously enlargeable (zoomable). The camera picture can also be suitably prepared by certain details, for example Edges in particular be highlighted in color. The camera can be formed working in non-visible frequency range, for example in the infrared range, this picture information is suitable for the user be shown perceptible.

To the Capturing the at least one piece of information or capturing it Basic data for the determination of information is in the further development of Invention at least one, preferably arranged on the machine tool, Sensor provided, for example, with the speed, the temperature, the Well depth, etc. can be determined.

Especially preferred is an embodiment where the information is not immediately a sensor information is, but at the information based on data at least a sensor is determined. For example, the information can be the Result of a target-actual comparison be. It is also possible, in particular on request and / or in dependence current sensor data, as information a handling instruction for the user into the field of view.

in the In terms of the way of visualizing the desired Information exists in a variety of other fields of engineering known possibilities. An embodiment of the visualization device is very particularly preferred. in which, in the simplest case, this has an opening in the field of vision, through which the user the machine tool and / or the Can view editing area. However, it is preferred, in particular with regard to the realization of a protective function when replacing an opening a transparent viewing section, for example a beam splitter, realized by the user through the processing area can look at.

In Development of the invention is provided with advantage that the transparent, preferably formed by a beam splitter, viewing section simultaneously is used to visualize the information. This includes the visualization device preferably means for projecting the information onto the transparent one Viewing section, this means, for example, an LCD display include, which preferably at an angle to the transparent viewing section is arranged.

Additionally or As an alternative to a transparent viewing section, the visualization device can a display panel, for example, an LCD display display of information. Preferably, the LCD display for displaying a Formed live camera image (video image) of the editing area, the camera for taking this live camera image on the machine tool or can be provided on the visualization device. It is also an embodiment feasible, in which the visualization device no way offers to view the editing area directly, but where the editing area is viewed exclusively through camera images can be.

To be able to show more information in the camera image, the display panel is preferably associated with a video mixer, which is on the machine tool or on the Visualisie can be located. All that is essential is that image information from the camera as well as graphics data for displaying an information text or graphic information symbols can be mixed and displayed on a common display field and / or in the visual section of the visualization device in the field of vision of the user. The video mixer may alternatively be an analog mixer or a digital mixer.

Brief description of the drawings

Further Advantages, features and characteristics of the invention will become apparent from the following description of preferred embodiments and based on the drawings. These show in:

1 a schematic representation of a system comprising a trained as a drill hand machine tool and trained as glasses visualization device,

2 a schematic representation of an alternative visualization device,

3 another alternative visualization device and

4 in a schematic representation of the possibility of mixing camera image information and other information for display in a common display field.

Embodiments of the invention

In The figures are the same elements and elements with the same Function marked with the same reference numerals.

In 1 is in the drawing level top left a trained as a hand tool machine tool 1 shown. This includes at least one integral sensor 2 for detecting sensor data for determining information or for directly detecting information, such as the engine speed, and a transmitter 3 for sending the information to a trained as glasses visualization device 4 that with one with the transmitter 3 corresponding recipient 5 Is provided.

Out 1 It can also be seen that the visualization device 4 in the field of vision 6 a user, not shown, a transparent viewing section 7 through which the user can view the work area. In the left in the drawing plane "spectacle lens" is located next to the transparent viewing section 7 a display panel designed as an LCD display 8th for displaying information, here for example the centering position of the drilling tool 9 ,

In the right in the drawing plane "lens" is a Information, here an accumulator charge stand directly in the transparent Viewing section displayed.

2 shows a possible embodiment of a visualization device 4 in the range of a field of view. Evident is a central transparent viewing section 7 , which is bordered on three sides by each of a rectangular contoured display panel 8th to display corresponding information transmitted by radio.

3 shows a schematic representation of the field of view 7 , To recognize a designed as a beam splitter, transparent viewing section 8th on which by means of an LCD display 10 Information, allowing the user to simultaneously view the editing area through the viewport 7 observe and record the information displayed.

4 shows a way, like on an LCD screen 10 , which is for example the LCD display 10 according to 3 (Projection means) or a display panel 8th according to 2 can act, both from a trained as a digital camera camera 11 taken camera image, as well as one by means of a sensor 2 or a corresponding logic unit determined information can be displayed together. For this purpose, the camera image data and the graphics data for displaying the information to a video mixer 12 which merges the image information and a corresponding output signal to the LCD display 10 sends, which can be arranged either directly in the field of view, or via which the superimposed information in the field of view, for example analogous to the embodiment according to 3 , can be displayed. The video mixer 12 for example, together with the camera 11 and the sensor 2 or a logic unit can be arranged on the machine tool, which is preferred. Alternatively, an arrangement on the visualization device 4 possible.

Claims (12)

System comprising a machine tool ( 1 ), in particular a hand tool, a mobile visualization device ( 4 ) for visualizing at least one in connection with the machine tool ( 1 ) or their use, as well as transmitting and receiving means for enabling data transmission between the machine tool ( 1 ) and the visualization device ( 4 ). System according to claim 1, characterized in that the visualization device ( 4 ) Fixing agent for fixing in the field of view ( 6 ) of a user. System according to one of claims 1 or 2, characterized in that the visualization device ( 4 ) is designed as glasses, preferably as goggles. System according to one of the preceding claims, characterized in that the information status information, in particular status information on orientation and / or the removal of the machine tool ( 1 ) to a workpiece or to the hand of the user, and / or status information about a processing depth, preferably a drilling depth, and / or status information about the material properties of the workpiece, in particular on the hardness and / or density, and / or status information about the current temperature and / or the current torque of the machine tool ( 1 ) or one by means of the machine tool ( 1 ) actuated tool, and / or status information about the current speed and / or the current stroke and / or a battery or Akkumulatorladezustand is. System according to one of the preceding claims, characterized in that the information is one, preferably enlargeable, Camera image, preferably a processing area, is. System according to one of claims 4 or 5, characterized in that the machine tool ( 1 ) and / or the visualization device ( 4 ) at least one sensor ( 2 ) for acquiring the information or basic data for determining the information. System according to one of the preceding claims, characterized characterized in that the information on, preferably from at least a result information derived comparison result, in particular a target / actual comparison and / or a handling instruction for the user is. System according to one of the preceding claims, characterized in that the visualization device ( 4 ) at least one opening and / or at least one transparent viewing section ( 7 ) for viewing the processing area. System according to claim 8, characterized in that the visualization direction ( 4 ) Means for projecting the information onto the transparent viewing section ( 7 ) having. System according to one of the preceding claims, characterized in that the visualization device ( 4 ) a display field ( 8th ), in particular an LCD display ( 10 ), for displaying the information, in particular for displaying a live camera image of the processing area. System according to one of the preceding claims, characterized in that a video mixer ( 12 ) for mixing a live camera image with a further information, in particular a status information, is predetermined. Visualization device, in particular a visualization device designed as glasses, preferably as safety glasses ( 4 ), for use in a system according to at least one of claims 1 to 11.