CN107520818A - For the method for the operator for aiding in hand tool - Google Patents

Abstract

The invention is based on a method for assisting an operator of a portable machine tool (10), wherein in at least one method step (12) the portable machine tool (10), machine tool accessories (14, 18) and/or Or at least one optical piece of information about a workpiece ( 16 ) to be processed is received by means of the portable power tool ( 10 ). It is proposed that, in at least one method step ( 20 ), at least one usage prompt and/or at least one machine function command is output as a function of the detected optical information.

Description

Method for assisting an operator of a portable machine tool

technical field

The invention relates to a method and a device for assisting an operator of a portable power tool, in particular a hand-held power tool device.

Background technique

Methods are already known in which, in at least one method step, at least one optical piece of information of a portable machine tool, a machine tool accessory and/or a workpiece to be processed by means of the portable machine tool is detected.

Contents of the invention

The invention is based on a method for assisting an operator of a portable power tool, wherein, in at least one method step, at least An optical message.

It is proposed that in at least one method step at least one user instruction and/or at least one machine function command is output as a function of the detected optical information. "Output" is to be understood here in particular as a command output and/or an information output, especially an optical, acoustic and/or tactile information output, and/or electronic data, especially command data, especially bidirectional transmission. The optical information can be, for example, an image, for example a digital image, a film, in particular a digital film, a machine-readable code, in particular a barcode, a two-dimensional code or the like. The detection unit for detecting optical information can be arranged on a portable power tool, on an external unit (smart wristband, smartphone, access monitoring device, area monitoring device, etc.) at the device/unit. Preferably, the detection unit is designed to detect the at least one optical piece of information at least partially automatically. However, it is also conceivable that the detection of the at least one optical piece of information can be activated manually by an operator by means of the detection unit. "Provided" is to be understood in particular as being specially programmed, specially designed and/or specially equipped. "Availability of an object for a specific function" is to be understood as meaning in particular that the object fulfills and/or performs this specific function in at least one state of use and/or operating state.

Preferably, the portable power tool and/or the external unit has at least one output unit, which is provided for outputting, in particular acoustically, optically and/or tactilely, as a function of the detected optical information Promptly output at least one usage hint. The usage instructions can be designed as acoustic, optical and/or tactile usage instructions, for example as signal sounds, voice instructions, voice guidance, film guidance, image guidance, etc. Use instructions can be information about the degree of wear of the machine tool accessory and/or the portable machine tool, about the type of use of the machine tool accessory and/or the portable machine tool, about the mounting of the machine tool accessory on the portable machine tool Notes on possible solutions, notes on assembly instructions for machine tool accessories on portable machine tools, etc. Machine function commands are in particular electronic commands which influence functions on the portable power tool, for example safety functions (recoil triggering function, dust extraction function, guard locking function, etc.), motor functions and/or transmission functions ( Maximum rotational speed, maximum torque, maximum stroke, transmission gear selection, etc.), comfort functions (noise emission control functions, vibration avoidance functions, etc.) or other functions of the portable machine tool that are meaningful to the technician. Portable machine tools capable of being configured as screwdrivers, drills, coring and/or chisel hammers, jigsaws, planers, circular saws, bench grinders, crescent saws, multipurpose machines, garden machines or other tools for technicians Appears as a meaningful portable machine tool. The machine tool accessories can be designed as insert tools (screwdriver bits, drill bits, saw blades, grinding discs, polishing discs, scrapers, etc.), protective covers, dust collectors, vacuum cleaners, tool guides, etc.

When the detection unit is arranged on an external unit, preferably at least between the portable machine tool and the external unit, in particular by means of a communication unit of the portable machine tool and a communication unit of the external unit, In particular wireless communication is enabled in order in particular to output at least one usage instruction and/or at least one machine function command. The term "wireless communication" is to be understood as meaning, in particular, that electronic data are transmitted via an information carrier that is advantageously non-physical, for example via sound waves, light waves and/or preferably radio waves, in particular from a physical connection between the connection pairs. Decoupling. Preferably, the communication unit of the portable power tool and/or the external unit is configured as a WLAN communication unit, a Bluetooth communication unit, a radio communication unit, an RFID communication unit, an NFC unit, an infrared communication unit, a wireless mobile network communication unit, Zigbee communication unit, etc. As an alternative, it is also conceivable that the communication unit of the portable power tool and/or the external unit is provided for electronic data transmission via cable and/or wirelessly. Other configurations of the communication unit of the portable power tool and/or of the external unit are also conceivable for the skilled person. Preferably, in at least one method step an in particular automatic connection formation of the data link between the connection pairs is carried out as a function of the comparison of the motion characteristic variables of the connection pairs. Preferably, the motion characteristic variables of the joints are configured as acceleration values of the joints, local and/or global positional variables of the joints, motion vectors of the joints or other meaningful movements for the skilled person. Characteristic parameters. Preferably, it can be detected by means of a comparison of the kinematic characteristic variables of the connection pair whether, in particular when the detection unit is arranged on the external unit that communicates wirelessly with the portable power tool, whether substantially synchronous movement of the at least two link pairs, whether there is a substantial degree of coordination with the stop and/or movement locations of the link pairs, etc. However, it is also conceivable that the connection formation between the portable power tool and the external unit can be initiated manually by an operator or automatically as a function of various characteristic variables formed from motion characteristic variables.

The external unit can be configured as a smartphone, personal computer, notebook computer, netbook, tablet computer, central computer, clock, electronic wristband, external output unit such as external radio, work clothes, protective glasses, Protective helmets or other external units appear to be meaningful to the technician. In an embodiment as a smartphone, PC, notebook, netbook or tablet, an app is preferably provided for communicating with the communication unit of the portable power tool. However, it is also conceivable that the external unit is configured as an external transportable operating unit, as an operating unit that is firmly installed at the operator's workstation, as an Synchronization units controlled centrally due to company regulations/safety regulations, body characteristic parameter monitoring units, access authorization devices, area monitoring devices or other central or decentralized operating units, input stations that appear meaningful to technicians and/or central or decentralized terminals.

With the aid of the embodiment according to the invention, a comfortable arrangement of machine tool accessories, a comfortable setting of the functions of the portable machine tool for machining workpieces etc. can advantageously be achieved. A comfortable operator assistance can advantageously be achieved. For example, the assignment of a matching machine tool accessory to the portable machine tool can advantageously be carried out on the basis of optical information. The functions of the portable power tool can be activated particularly advantageously by means of assigning the power tool accessory to the portable power tool. In particular, it is advantageously possible to output a reminder which assists the operator, for example, when selecting a machine tool accessory when machining a workpiece.

Furthermore, it is proposed that in at least one method step at least one optical piece of information of the machine tool accessory is detected, wherein the realization of the portable machine tool and the machine tool accessory is carried out as a function of the detected optical piece of information compatibility check. Preferably, it is possible to output a usage note regarding the compatibility of the portable power tool and the power tool accessory as a function of the detected optical information of the machine tool accessory. If, for example, depending on the detected optical information of the machine tool accessory, it becomes apparent that there is an incompatibility between the machine tool accessory and the portable machine tool, it can be advantageous in particular to output machine function commands in addition to the use prompt, the machine The function command can also prevent the portable power tool from starting to operate when the power tool accessory is arranged on the portable power tool. Further inspections and/or outputting of optical information, which is meaningful to the technician, depending on the detected machine tool component can likewise be carried out. The use of incompatible machine tool accessories on the portable machine tool can advantageously be avoided by means of the embodiment according to the invention. A high operating comfort for unskilled operators can advantageously be achieved.

Furthermore, it is proposed that in at least one method step at least one optical piece of information about a workpiece to be machined by means of the portable power tool is detected, wherein output for selecting a tool for machining the workpiece is output as a function of the detected optical information At least one usage hint for machine accessories. Preferably, said at least one optical piece of information defines at least one material type, surface characteristic, size, etc. of said workpiece. Preferably, on the basis of the detected optical information of the machine tool accessory, it is possible to output a user instruction, which can be used by an operator when machining a workpiece. It is also conceivable to output a usage message, which warns the operator about incorrect usage of the machine tool accessory, for example "recommended use" when an incorrect machining of the workpiece is determined on the basis of the evaluated optical information. Wood - Grinding discs for machining wood workpieces", etc. Preferably, in at least one method step, at least one optical piece of information of the workpiece is detected during machining with the portable power tool, wherein an output for the portable power tool for machining the workpiece is output as a function of the detected optical piece of information At least one usage hint for the application type. It is conceivable, for example, that depending on the optically detected ablation of workpiece particles of the workpiece, depending on the properties of the machined surface of the workpiece, depending on surface properties, etc., output for further processing of the workpiece Optimization suggestions, such as using hints, changing (increasing/decreasing) pressing force, changing (making steeper/flatter) machining angles, etc. Preferably, in at least one method step at least one optical item of information of the workpiece is detected during machining with the portable tool, wherein at least one machine function command for machining the workpiece is output as a function of the detected optical item of information . It is conceivable, for example, that depending on the optically detected ablation of workpiece particles of the workpiece, depending on changes in surface properties, etc., machine function commands for the further processing of the workpiece can be output, for example for changing a portable power tool The rotational speed of the drive unit of the portable machine tool, machine function instructions for changing the direction of rotation of the drive shaft of the portable machine tool, for changing the illumination intensity and/or direction of the lighting unit of the portable machine tool, etc. Further outputs which appear to be meaningful to the technician can also be produced in dependence on the detected optical information of the workpiece to be machined by means of the portable power tool. Incorrect machining of workpieces can advantageously be avoided to the greatest extent by means of the embodiment according to the invention. A precise and workpiece-compliant machining of the workpiece can advantageously be achieved.

Furthermore, it is proposed that in at least one method step at least one optical item of information of the portable power tool and at least one optical item of information of a workpiece to be machined by means of the portable power tool are detected, wherein the detected optical information is used as a function of At least one usage indication for the type of application of the portable power tool for machining workpieces is output. Preferably, it is possible to output how the operator can optimally use the portable power tool as a function of the detected optical information about the portable power tool and the detected optical information about the workpiece to be machined with the portable power tool. Tips for using machine tools in order to obtain favorable work results. For example, it is conceivable that, depending on the ablation of workpiece particles of the optically detected workpiece and the configuration or type of the optically detected portable power tool, optimization suggestions for further processing of the workpiece can be output, for example for changing (increasing /decrease) pressing force, changing (making steeper/flatter) machining angles, etc. With the aid of the embodiment according to the invention, a precise and workpiece-friendly machining of the workpiece can advantageously be achieved with optimal operation of the machine and/or with the use of a portable power tool. Advantageously, incorrect machining of the workpiece can be avoided to the greatest extent possible.

Furthermore, it is proposed that in at least one method step at least one optical piece of information of the portable machine tool is detected, wherein a compatible machine tool for the portable machine tool is output as a function of the detected optical piece of information At least one usage hint for the accessory. Preferably, a usage instruction can be output as a function of the detected optical information of a power tool accessory that can be arranged on the portable power tool and/or is compatible with the portable power tool. Preferably, the usage instructions are output in the form of an in particular tabular list of possible machine tool accessories for the portable power tool, in particular acoustically in the form of a list, optically in the form of a graphical illustration, tactilely in the form of The intensity or amount of vibration is a form etc. It is also conceivable to rely on optical characteristic variables, a preselection of the workpiece to be processed and/or a preselection of the processing steps to be performed, for example on an output unit of the portable power tool configured as a display, from the configuration of the portable power tool In the output unit that is a loudspeaker, by means of an external unit (smart wristband, smartphone, etc.) etc. that communicates with the portable power tool, it is possible to output instructions for use of the appropriate machine tool accessory. A comfortable operator assistance can advantageously be achieved by means of the embodiment according to the invention.

Furthermore, it is proposed that in at least one method step at least one optical piece of information of the machine tool accessory is detected, wherein at least one information about the wear of the machine tool accessory is output as a function of the detected optical information of the machine tool accessory A usage hint. Preferably, the output of the usage information regarding the degree of wear of at least one processing edge of the machine tool accessory, in particular a cutting edge of a machine tool accessory designed as an insert tool, is preferably output on the basis of the detected optical information of the machine tool accessory. In particular, wear of the machined edge of the machine tool component can be detected, for example by means of an image comparison, in order to inform an operator about wear. Further information, which appears as a meaningful output to the technician, is also conceivable as a function of the optics of the detected machine tool component. In particular, due to the evaluation of the detected images, it is possible to determine wear on the accessory, in particular the insertion tool, and to output corresponding information to the operator and/or to a center/supplier etc. via the cloud. A secure and reliable machining of workpieces can advantageously be achieved by means of the embodiment according to the invention.

Advantageously, large workpiece removals can be reliably achieved during machining of workpieces. A comfortable operator assistance can advantageously be achieved.

Furthermore, it is proposed that, in at least one method step, at least one operating characteristic variable of an electronic unit of the portable power tool for outputting at least one usage prompt and/or at least one machine function command is taken into account in addition to the optical information. The electronics unit is preferably designed as a computing unit (microcontroller, etc.) for controlling and/or regulating the portable power tool, in particular a drive unit of the portable power tool. However, it is also conceivable for the electronics unit to have other configurations that appear to be meaningful to a skilled person, for example a configuration of the power electronics as an energy storage unit of a portable power tool or the like. The operating characteristic variable of the electronics unit can be configured as a rotational speed of a drive unit, in particular an electric motor unit, as a rotating mass of a rotationally drivable machine tool accessory that can be detected by means of a sensor unit and can be processed by the electronics unit, as an energy store Voltage value and/or current intensity etc. of the unit and/or driving the unit. Preferably, a characteristic variable (which is assigned to the machine tool accessory and/or the portable machine tool by means of information about the detection of the optics of the machine tool accessory and/or the portable machine tool) and the actual operating A comparison of the characteristic variables present during this period in order to realize an evaluation which can lead to conclusions about the state of the machine tool accessory and/or the portable machine tool, such as unbalance of the machine shaft, one-sided Wear and tear etc. For example, by means of a data comparison assigned to the characteristic variables (slewing mass, etc.) of the machine tool component detected, for example by means of photo pairing, and the characteristic variables actually detected during operation, output of usage instructions and/or A machine function command which prevents, for example, starting operation of the portable power tool. A comfortable operator assistance can advantageously be achieved by means of the embodiment according to the invention. A high operational reliability can advantageously be achieved. Advantageously, a long service life of the portable power tool can be achieved.

Furthermore, it is proposed that in at least one method step at least one optical piece of information about a workpiece to be machined by means of the portable power tool is detected, wherein at least one of the functions for changing at least one machine function is used as a function of the detected optical piece of information A machine function command is output, in particular transmitted, to an electronic unit of the portable power tool. The detected optical information of the workpiece to be processed by means of the portable power tool can be the material type, workpiece shape, surface properties, etc. of the workpiece. Preferably, the direction of rotation, rotational speed, output torque, safety functions such as recoil function, maximum stroke distance ( Maximalhubstrecke), an antilock function of the spindle, a trigger function for avoiding an uncontrolled locking situation of the drilling machine and/or other machine functions that appear to be meaningful to the technician. A comfortable setting of the functions of the portable power tool for machining workpieces can advantageously be achieved by means of the embodiment according to the invention. A comfortable operator assistance can advantageously be achieved.

Furthermore, it is proposed that at least one optical item of information of the machine tool accessory is detected in at least one method step, wherein at least one machine function command for changing at least one machine function is issued as a function of the detected optical item of information Output to, in particular transmission to, an electronic unit of the portable power tool. Preferably, the machine function can be set automatically as a function of machine tool accessories arranged on the portable machine tool, such as a protective cover, suction device, etc. Preferably, depending on the detected optical information of the machine tool accessory, it is possible to automatically set the direction of rotation, rotational speed, output torque, safety functions such as recoil function, maximum stroke distance (maximal hubstrecke), anti-rotation of spindle Locking functions, triggering functions for avoiding uncontrolled locking of the drilling machine and/or other machine functions that appear to be meaningful to the technician. For example, the portable machine tool can have an authorization function which is designed in such a way that the portable Start of operation of the machine tool and/or automatic adaptation of machine functions (maximum speed, recoil function, etc.). It is also conceivable that, due to the data connection between the portable machine tool and the external unit, an automatic setting of the machine function is dependent on the detected optical information of the machine tool accessory. In addition, assistance by an augmented reality system (eg data glasses) is also conceivable, wherein for example instructions for fitting the machine tool accessory can be output by means of the augmented reality system as a function of the detected optical information, Tips for processing, etc. Comfortable operator assistance can advantageously be achieved by means of the embodiment according to the invention. A comfortable setting of the functions of the portable power tool for machining workpieces can advantageously be achieved.

Furthermore, a device is proposed, in particular a hand-held power tool device, for assisting an operator of a portable power tool, in particular according to the method according to the invention, wherein the device has at least one device for detecting the portable power tool , at least one detection unit and at least one output unit of at least one optical information of a machine tool accessory and/or at least one optical information of a workpiece to be processed by means of the portable machine tool, the output unit being arranged to: at least depend on the detected The optical information outputs at least one user instruction and/or at least one machine function command. The device can be integrated into the hand-held power tool or can be designed as an external unit which can be carried by the operator on the body, for example. Preferably, the output unit is able to output optical, acoustic and/or tactile operating instructions to the operator and/or electronic machine function commands to the portable power tool. Operating instructions can be, for example, assembly instructions, machining instructions, tool replacement instructions due to high wear, or the like. Machine function commands can be a change in the direction of rotation, a change in the maximum rotational speed, a change in the maximum output torque, activation of a safety function such as a recoil function, a change in the maximum stroke distance, activation of an anti-lock function for the spindle, Changes in the trigger function etc. to avoid an unmanaged locking situation of the drilling rig. With the aid of the embodiment according to the invention, a comfortable arrangement of machine tool accessories, a comfortable setting of the functions of the portable machine tool for machining workpieces etc. can advantageously be achieved. A comfortable operator assistance can advantageously be achieved. For example, the assignment of a matching machine tool accessory to the portable machine tool can advantageously be carried out on the basis of optical information. The functions of the portable power tool can be activated particularly advantageously by means of assigning the power tool accessory to the portable power tool. In particular, it is advantageously possible to output a note which assists the operator when selecting a machine tool accessory and when machining a workpiece.

The method according to the invention and/or the device according to the invention should not be limited here to the use variants and embodiments described above. In particular, the method according to the invention and/or the device according to the invention can have a different number of individual elements, components and units as well as method steps than the number mentioned here in order to fulfill the mode of operation described here. Furthermore, for the value ranges stated in this publication, the values lying within the stated limits should also apply as disclosed and as freely substituted.

Description of drawings

Further advantages of the invention emerge from the following description of the figures. Exemplary embodiments of the invention are shown in the drawings. The figures, description and examples contain a large number of features in combination. A person skilled in the art will observe the features mentioned individually and individually and summarize them into meaningful further combinations.

Graphic:

1 is a schematic illustration of a device according to the invention for assisting an operator of a portable power tool according to the method according to the invention, and

FIG. 2 shows the method sequence of the method according to the invention in a schematic illustration.

detailed description

FIG. 1 shows a portable power tool 10 which is designed as an angle grinder in the exemplary embodiment shown in FIG. 1 . However, it is also conceivable for the portable power tool 10 to have other configurations that appear to be meaningful to a skilled person, for example as a drill, as an electric screwdriver, as a circular saw, as a punching hammer, as a wire saw, as Construction solutions for electric planers, as garden tools, etc. Portable power tool 10 has an embodiment at least substantially known to a person skilled in the art. At least one machine tool accessory 14 is arranged on the portable machine tool 10 . In the exemplary embodiment shown in FIG. 1 , the machine tool accessory 14 is designed as a circular saw blade. However, it is also conceivable for the machine tool accessory 14 to have other configurations that appear meaningful to a person skilled in the art. At least one further machine tool accessory 18 is arranged on the portable machine tool 10 . In the exemplary embodiment shown in FIG. 1 , the further machine tool accessory 18 is designed as a guard arrangement. However, it is also conceivable for the further machine tool accessory 18 to have other configurations which appear to be meaningful to a person skilled in the art.

The portable power tool 10 includes at least one device 34 which has at least one communication unit 48 which is provided for transmitting electronic data. Communication unit 48 of portable power tool 10 is designed as a wireless communication unit. However, it is also conceivable that communication unit 48 of portable power tool 10 is designed as an alternative or in addition as a cable-connected communication unit. Device 34 of portable power tool 10 is designed as a hand-held power tool device. Preferably, device 34 of portable machine tool 10 is integrated into portable machine tool 10 . However, it is also conceivable that device 34 of portable power tool 10 can be arranged removably on portable power tool 10 . Device 34 of portable power tool 10 is provided for assisting an operator of portable power tool 10 . Device 34 of portable machine tool 10 includes at least one detection unit 38 for detecting at least one optical piece of information of machine tool accessory 14 , 18 and/or of workpiece 16 to be processed by means of portable machine tool 10 . Detection unit 38 of device 34 of portable power tool 10 is preferably designed as an optical detection unit, in particular as a camera, which detection unit is provided for detecting of machine tool accessories 14 , 18 and/or by means of the portable Machine tool 10 has optical information, in particular images, of workpiece 16 to be machined. However, it is also conceivable for the detection unit 38 of the device 34 of the portable power tool 10 to have another design that appears to be meaningful to a person skilled in the art, for example as a scanner or the like, in order to Used to detect machine-readable codes.

Furthermore, device 34 of portable power tool 10 includes at least one output unit 42 , which is provided for outputting at least one user instruction and/or at least one machine function instruction as a function of at least the detected optical information. Output unit 42 of device 34 of portable power tool 10 preferably includes at least one optical output element 50 , in particular a display, for example a touch display, for optically outputting usage instructions. As an alternative or in addition, output unit 42 of device 34 of portable power tool 10 can have at least one acoustic output element 52 , in particular a loudspeaker, for acoustically outputting usage instructions. The output unit 42 of the device 34 of the portable power tool 10 can alternatively or additionally have at least one tactile output element (not shown here in greater detail), in particular a vibration actuator, for tactile output Use suggestions. The output unit 42 of the device 34 of the portable power tool 10 can also have further output elements that are meaningful to a technician for outputting usage instructions and/or machine function instructions. The output unit 42 of the device 34 of the portable machine tool 10 is in particular data-technically connected to the electronics unit 32 of the portable machine tool 10 in order to exchange electronic data with the electronics unit 32 of the portable machine tool 10 , in particular Wired and/or cable-free switching. Advantageously, at least one machine function command can be output from the output unit 42 of the device 34 of the portable machine tool 10 to the electronics unit 32 of the portable machine tool 10 as a function of the detected optical information, in particular with Machine functions of the portable machine tool 10 are influenced based on the detected optical information.

The device 34 of the portable machine tool 10 is provided in particular to detect at least one optical piece of information of the machine tool accessory 14 , 18 , wherein, depending on the detected optical piece of information, the portable machine tool 10 Electronics unit 32 of electronic unit 32 can perform a compatibility check of portable machine tool 10 and machine tool accessories 14 , 18 . The device 34 of the portable machine tool 10 is preferably configured to detect at least one optical piece of information about a workpiece 16 to be processed by means of the portable machine tool 10 , wherein the optical piece of information is dependent on the detected piece of information, in particular by means of The output unit 42 of the device 34 of the portable machine tool 10 can output at least one usage instruction for selecting a machine tool accessory 14 , 18 for machining a workpiece 16 . The device 34 of the portable machine tool 10 is preferably configured to detect at least one optical piece of information about a workpiece 16 to be processed by means of the portable machine tool 10 , wherein, depending on the detected optical piece of information, the At least one machine function command for changing at least one machine function is transmitted to electronics unit 32 of portable power tool 10 .

Furthermore, the device 34 of the portable machine tool 10 is preferably designed to detect at least one optical piece of information of the machine tool accessory 14 , 18 , wherein the detected optical piece of information depends in particular on the basis of the portable The output unit 42 of the device 34 of the machine tool 10 can output at least one usage indication regarding the wear of the machine tool accessory 14 , 18 . The device 34 of the portable machine tool 10 is provided in particular to detect at least one optical item of information of the machine tool accessory 14 , 18 , wherein at least one can be used to change at least one optical item depending on the detected optical item of information. The machine function commands of the machine functions are transmitted to electronics unit 32 of portable power tool 10 . In addition to the optical information, at least one operation of the electronic unit 32 of the portable machine tool 10 for outputting at least one usage hint and/or at least one machine function command can be taken into account by means of the device 34 of the portable machine tool 10 Characteristic parameters.

Portable power tool 10 can communicate, in particular wirelessly, with external unit 46 for exchanging electronic data. The external unit 46 can be configured as a smartphone, personal computer, notebook computer, netbook, tablet computer, central computer, clock, electronic wristband, external output unit such as an external radio, work clothes, safety glasses , protective helmets or other external units that appear meaningful to the technician. In the exemplary embodiment shown in FIG. 1 , external unit 46 is designed as an electronic wristband. External unit 46 includes at least one device 36 which has at least one communication unit 54 which is provided for transmitting electronic data. The communication unit 54 of the external unit 46 is designed as a wireless communication unit. However, it is also conceivable for the communication unit 54 of the external unit 46 to be embodied as a cable-connected communication unit as an alternative or in addition.

Preferably, the device 36 of the external unit 46 is integrated into the external unit 46 . However, it is also conceivable that the device 36 of the external unit 46 can be arranged removably on the external unit 46 . Device 36 of external unit 46 is provided to assist an operator of portable power tool 10 . The arrangement 36 of the external unit 46 includes at least one detection unit 40 at least for detection of the portable machine tool 10 , of the machine tool accessories 14 , 18 and/or of the workpiece 16 to be processed by means of the portable machine tool 10 at least one optical information. Detection unit 40 of device 36 of external unit 46 is preferably designed as an optical detection unit, in particular as a camera, which detection unit is provided for recording machine tool accessories 14 , 18 of portable power tool 10 . Optical information, in particular images, of workpiece 16 to be machined and/or with the aid of portable power tool 10 is received. However, it is also conceivable that the detection unit 40 of the device 36 of the external unit 46 has another design that appears to be meaningful to a person skilled in the art, for example as a scanner or the like, Used to detect machine-readable codes.

Furthermore, the device 36 of the external unit 46 includes at least one output unit 44 , which is configured to output at least one user instruction and/or at least one machine function command as a function of at least the detected optical information. The output unit 44 of the device 36 of the external unit 46 preferably includes at least one optical output element 58 , in particular a display, for example a touch display, for the optical output of usage instructions. As an alternative or in addition, the output unit 44 of the device 36 of the external unit 46 can have at least one acoustic output element 56 , in particular a loudspeaker, for acoustically outputting usage instructions.

The output unit 44 of the device 36 of the external unit 46 can alternatively or additionally have at least one tactile output element (not shown here in greater detail), in particular a vibration exciter, for tactile Output usage hints. The output unit 44 of the device 36 of the external unit 46 can also have further output elements that are meaningful to a technician for outputting usage instructions and/or machine function commands. The output unit 44 of the device 36 of the external unit 46 is in particular data-technically connectable to the portable power tool 10 in order to communicate with the device 36 of the external unit 46 in particular by means of the communication unit 54 of the device 36 . The portable power tool 10 exchanges electronic data. At least one machine function command can advantageously be output to the portable power tool 10 from the output unit 44 of the device 36 of the external unit 46 as a function of the detected optical information, in particular for relying on The detected optical information is used to influence machine functions of portable power tool 10 .

The device 34 of the portable machine tool 10 is provided in particular to detect at least one optical piece of information of the machine tool accessory 14 , 18 , wherein, depending on the detected optical piece of information, the portable machine tool 10 Electronics unit 32 of electronic unit 32 can perform a compatibility check of portable machine tool 10 and machine tool accessories 14 , 18 . The device 34 of the portable machine tool 10 is preferably configured to detect at least one optical piece of information about a workpiece 16 to be processed by means of the portable machine tool 10 , wherein the optical piece of information is dependent on the detected piece of information, in particular by means of The output unit 42 of the device 34 of the portable machine tool 10 can output at least one usage instruction for selecting a machine tool accessory 14 , 18 for machining a workpiece 16 . The device 34 of the portable machine tool 10 is preferably configured to detect at least one optical piece of information about a workpiece 16 to be processed by means of the portable machine tool 10 , wherein, depending on the detected optical piece of information, the At least one machine function command for changing at least one machine function is transmitted to electronics unit 32 of portable power tool 10 .

Furthermore, the device 34 of the portable machine tool 10 is preferably designed to detect at least one optical piece of information of the machine tool accessory 14 , 18 , wherein the detected optical piece of information depends in particular on the basis of the portable The output unit 42 of the device 34 of the machine tool 10 can output at least one usage indication regarding the wear of the machine tool accessory 14 , 18 . The device 34 of the portable machine tool 10 is provided in particular to detect at least one optical item of information of the machine tool accessory 14 , 18 , wherein at least one can be used to change at least one optical item depending on the detected optical item of information. The machine function commands of the machine functions are transmitted to electronics unit 32 of portable power tool 10 . In addition to the optical information, at least one operation of the electronic unit 32 of the portable machine tool 10 for outputting at least one usage hint and/or at least one machine function command can be taken into account by means of the device 34 of the portable machine tool 10 Characteristic parameters.

Portable machine tool 10 and external unit 46 are data-connected to one another for electronic data transmission by means of communication unit 48 of portable machine tool 10 and communication unit 54 of external unit 46 . . The portable power tool 10 and the external unit 46 are connection pairs. The establishment of the connection between the connection pairs can take place automatically, in particular based on an evaluation of the movement characteristic variables of the connection pair and/or on the basis of a manual activation by an operator. Portable machine tool 10 can be connected data-technically to additional connection pairs (not shown here in greater detail), such as a cloud, a company center, etc., by means of communication unit 48 of portable machine tool 10 in order to exchange electronic data. The external unit 46 can be data-connected to an additional connection pair by means of a communication unit 54 of the external unit 46 in order to exchange electronic data.

The device 36 of the external unit 46 is provided in particular to detect at least one optical item of information of the portable machine tool 10 and at least one optical item of information of a workpiece 16 to be processed by means of the portable machine tool 10 , wherein , depending on the detected optical information, in particular by means of the output unit 44 of the external unit 46 and/or by means of the unit 42 of the portable power tool 10 , based on the external unit 46 transmits electronic data between portable machine tool 10 and outputs at least one usage instruction for the type of application of portable machine tool 10 for machining workpiece 16 . The device 36 of the external unit 46 is provided in particular to detect at least one optical piece of information of the portable power tool 10 , wherein the detected optical piece of information is relied on, in particular by means of the external unit The output unit 44 of 46 and/or by means of the unit 42 of the portable machine tool 10 can output data for the At least one instruction for use of compatible machine tool accessories 14 , 18 of the portable machine tool 10 described above.

The device 36 of the external unit 46 is provided in particular to detect at least one optical item of information of the portable machine tool 10 and at least one optical item of information of the machine tool accessories 14 , 18 , wherein, depending on the detected The received optical information allows checking the compatibility of the portable machine tool 10 with the machine tool accessories 14 , 18 . The device 36 of the external unit 46 is preferably provided to detect at least one optical item of information of the portable machine tool 10 and at least one optical item of information of a workpiece 16 to be processed by means of the portable machine tool 10 , wherein , depending on the detected optical information, in particular by means of the output unit 44 of the external unit 46 and/or by means of the unit 42 of the portable power tool 10 , based on the external unit Electronic data are transmitted between 46 and the portable machine tool 10 , and at least one usage instruction for the selection of the machine tool accessory 14 , 18 for machining the workpiece 16 can be output. The device 36 of the external unit 46 is preferably provided to detect at least one optical item of information of the portable machine tool 10 and at least one optical item of information of a workpiece 16 to be processed by means of the portable machine tool 10 , wherein , depending on the detected optical information, in particular by means of a data connection between the external unit 46 and the portable machine tool 10, at least one machine function command for changing at least one machine function can be transferred is transmitted to the electronic unit 32 of the portable power tool 10 .

Furthermore, the device 36 of the external unit 46 is preferably provided for detecting at least one optical information item of the machine tool accessory 14 , 18 , wherein the detected optical information is relied on, in particular by means of The output unit 44 of the external unit 46 and/or by means of the unit 42 of the portable machine tool 10 is based on the transmission of electronic data between the external unit 46 and the portable machine tool 10 , it is possible to output at least one usage note regarding wear of the machine tool accessory 14 , 18 . The device 36 of the external unit 46 is provided in particular to detect at least one optical piece of information of the portable machine tool 10 and at least one piece of optical information of the machine tool accessory 14 , 18 , wherein, depending on the detected The optical information received, in particular by means of a data connection between the external unit 46 and the portable machine tool 10, can transmit at least one machine function instruction for changing at least one machine function to the portable machine tool 10. Electronics unit 32 of machine tool 10 . In addition to the optical information, the device 36 of the external unit 46 is conceivable for outputting, in particular by means of a data connection between the external unit 46 and the portable power tool 10 At least one operating characteristic variable of at least one electronic unit 32 of the portable power tool 10 using the prompt and/or at least one machine function command.

FIG. 2 shows a method sequence of a method for assisting an operator of portable machine tool 10 . The method for assisting the operator of the portable machine tool 10 includes at least one method step 12 in which, in particular, by means of the detection unit 38 of the device 34 of the portable machine tool 10 and/or by means of the The detection unit 40 of the device 36 of the external unit 46 detects at least one optical element of the portable machine tool 10 , of the machine tool accessories 14 , 18 and/or of the workpiece 16 to be processed by means of the portable machine tool 10 . information. If the detection unit 40 of the device 36 of the external unit 46 detects the portable power tool 10 , the power tool accessories 14 , 18 and/or is to be processed by means of the portable power tool 10 At least one optical piece of information on the workpiece 16 is conceivable, in particular based on the communication unit 48 of the device 34 of the portable machine tool 10 and the communication unit of the device 36 of the external unit 46 54 , in at least one method step 28 of the method, electronic data is transmitted to the portable machine tool 10 . In at least one method step 20 , at least one user instruction and/or at least one machine function command is output as a function of the detected optical information. The use prompts and/or the output of at least one machine function command can take place by means of output unit 42 of device 34 of portable power tool 10 and/or by means of output unit 44 of external unit 46 .

Furthermore, in at least one method step 22 , which can be carried out instead of the at least one method step 12 or followed by it, at least one optical piece of information of the machine tool accessory 14 , 18 is detected, wherein depending on the detected optical information for checking the compatibility of the portable machine tool 10 with the machine tool accessories 14 , 18 . The at least one optical piece of information of the machine tool accessory 14 , 18 is detected, in particular by means of the detection unit 38 of the device 34 of the portable power tool 10 and/or by means of the device 36 of the external unit 46 detection unit 40. If the detection unit 40 of the device 36 of the external unit 46 detects at least one optical piece of information of the machine tool accessory 14 , 18 , it is conceivable, in particular based on the The communication between the communication unit 48 of the device 34 of the machine 10 and the communication unit 54 of the device 36 of the external unit 46 realizes the transmission of electronic data in at least one method step 28 of the method to the portable power tool 10 .

In the at least one method step 24 that can replace the at least one method step 12 or be carried out immediately after, at least one optical piece of information about the workpiece 16 to be processed by means of the portable power tool 10 is detected, wherein depending on the detected The optical information is used to output at least one usage instruction for selecting a machine tool accessory 14 , 18 for machining workpiece 16 . The at least one optical piece of information of workpiece 16 to be processed is detected by means of portable machine tool 10 , in particular by means of detection unit 38 of device 34 of portable machine tool 10 and/or by means of the external unit 46 by the detection unit 40 of said device 36 . If the detection unit 40 of the device 36 of the external unit 46 detects at least one optical piece of information about the workpiece 16 to be processed by the portable power tool 10 , it is conceivable that In particular based on the communication between the communication unit 48 of the device 34 of the portable power tool 10 and the communication unit 54 of the device 36 of the external unit 46 , in at least one method step 28 of the method The electronic data transmission to the portable machine tool 10 is carried out in this way.

Furthermore, in at least one method step 26 , which can be carried out instead of at least one method step 12 or followed by it, at least one optical piece of information of the portable machine tool 10 and the product to be processed by means of the portable machine tool 10 are detected. At least one optical item of information of workpiece 16 , wherein at least one usage instruction for the type of application of portable power tool 10 for machining workpiece 16 is output as a function of the detected optical item of information. The detection of the at least one optical piece of information of the portable power tool 10 and the detection of the at least one piece of optical information of the workpiece 16 to be processed by means of the portable power tool 10 is performed in particular by means of all of the external unit 46 The detection unit 40 of the above-mentioned device 36 is carried out. In at least one method step 28 of the method, in particular based on the communication between the communication unit 48 of the device 34 of the portable power tool 10 and the communication unit 54 of the device 36 of the external unit 46 The communication makes it possible to transmit electronic data to the portable machine tool 10 in order to transmit the at least one user instruction and/or machine function command to the portable machine tool 10 .

In the at least one method step 12, at least one optical information item of the portable machine tool 10 is detected, wherein a compatible machine tool for the portable machine tool 10 is output as a function of the detected optical information item At least one usage hint for the accessory 14 , 18 . The detection of the at least one optical item of information of the portable power tool 10 takes place in particular by means of the detection unit 40 of the device 36 of the external unit 46 . In at least one method step 28 of the method, in particular based on the communication between the communication unit 48 of the device 34 of the portable power tool 10 and the communication unit 54 of the device 36 of the external unit 46 The communication makes it possible to transmit electronic data to the portable machine tool 10 in order to transmit the at least one user instruction and/or machine function command to the portable machine tool 10 .

In the at least one method step 12 , at least one optical piece of information of the machine tool accessory 14 , 18 is detected, wherein the wear of the machine tool accessory 14 , 18 is output as a function of the detected optical information. At least one usage hint for . The at least one optical piece of information of the machine tool accessory 14 , 18 is detected, in particular by means of the detection unit 38 of the device 34 of the portable power tool 10 and/or by means of the device 36 of the external unit 46 detection unit 40. If the detection unit 40 of the device 36 of the external unit 46 detects at least one optical piece of information of the machine tool accessory 14 , 18 , it is conceivable, in particular based on the The communication between the communication unit 48 of the device 34 of the machine 10 and the communication unit 54 of the device 36 of the external unit 46 realizes the transmission of electronic data in at least one method step 28 of the method to the portable power tool 10 .

In at least one method step 30 , in addition to the optical information, at least one operating characteristic variable of electronic unit 32 of portable power tool 10 is taken into account for outputting at least one usage prompt and/or at least one machine function command. The at least one operating characteristic variable of electronic unit 32 is taken into account in particular by means of device 34 of portable power tool 10 and/or by means of device 36 of external unit 46 . If at least one operating characteristic variable of the electronic unit 32 is taken into account by means of the device 36 of the external unit 46 , it is conceivable that, in particular, based on the device 34 of the portable power tool 10 The communication between the communication unit 48 and the communication unit 54 of the device 36 of the external unit 46 enables electronic data of the portable power tool 10 to be transmitted in at least one method step 28 of the method. The external unit 46.

In the at least one method step 12, at least one optical item of information about the workpiece 16 to be machined by means of the portable machine tool 10 is detected, wherein a function for changing at least one machine function is used as a function of the detected optical item At least one machine function command is output, in particular transmitted, to electronic unit 32 of portable power tool 10 . The at least one optical piece of information of workpiece 16 to be processed is detected by means of portable machine tool 10 , in particular by means of detection unit 38 of device 34 of portable machine tool 10 and/or by means of the external unit 46 by the detection unit 40 of said device 36 . If the detection unit 40 of the device 36 of the external unit 46 detects at least one optical piece of information about the workpiece 16 to be processed by the portable power tool 10 , it is conceivable that In particular based on the communication between the communication unit 48 of the device 34 of the portable power tool 10 and the communication unit 54 of the device 36 of the external unit 46 , in at least one method step 28 of the method The electronic data transmission to the portable machine tool 10 is carried out in this way.

In the at least one method step 12, at least one optical information of the machine tool accessory 14, 18 is detected, wherein at least one machine for changing the function of at least one machine is used as a function of the detected optical information The function commands are output to, in particular transmitted to, electronic unit 32 of portable power tool 10 . The at least one optical piece of information of workpiece 16 to be processed is detected by means of portable machine tool 10 , in particular by means of detection unit 38 of device 34 of portable machine tool 10 and/or by means of the external unit 46 by the detection unit 40 of said device 36 . If the detection unit 40 of the device 36 of the external unit 46 detects at least one optical piece of information about the workpiece 16 to be processed by the portable power tool 10 , it is conceivable that In particular based on the communication between the communication unit 48 of the device 34 of the portable power tool 10 and the communication unit 54 of the device 36 of the external unit 46 , in at least one method step 28 of the method The electronic data transmission to the portable machine tool 10 is carried out in this way.

It is conceivable for the method to have alternative or additional method steps which a person skilled in the art considers expedient for carrying out the method.

Claims (10)

1. A method for assisting an operator of a portable machine tool (10), wherein, in at least one method step (12), the and /or at least one optical item of information about a workpiece (16) to be processed by means of the portable machine tool (10), characterized in that, in at least one method step (20), in dependence on the detected optical item of information, At least one usage prompt and/or at least one machine function instruction is output. 2. The method according to claim 1, characterized in that in at least one method step (22) at least one optical item of information of the machine tool accessory (14, 18) is detected, wherein depending on the detected The optical information is used to check the compatibility of the portable machine tool (10) and the machine tool accessories (14, 18). 3. The method according to claim 1 or 2, characterized in that, in at least one method step (24), at least one optical piece of information of a workpiece (16) to be processed by means of the portable machine tool (10) is detected, In this case, at least one usage instruction for selecting a machine tool accessory ( 14 , 18 ) for machining a workpiece ( 16 ) is output as a function of the detected optical information. 4. The method as claimed in claim 1, characterized in that in at least one method step (26), at least one optical piece of information of the portable machine tool (10) is detected and the portable machine tool (10) is ) at least one optical piece of information about the workpiece ( 16 ) to be machined, wherein at least one type of application of the portable machine tool ( 10 ) for machining the workpiece ( 16 ) is output as a function of the detected optical piece of information A usage hint. 5 . The method as claimed in claim 1 , characterized in that in at least one method step ( 12 ), at least one optical piece of information of the portable machine tool ( 10 ) is detected, wherein depending on the The detected optical information is used to output at least one usage instruction for a compatible machine tool accessory ( 14 , 18 ) of the portable machine tool ( 10 ). 6 . The method as claimed in claim 1 , characterized in that in at least one method step ( 12 ), at least one optical piece of information of the machine tool accessory ( 14 , 18 ) is detected, wherein depending on Based on the detected optical information, at least one usage instruction regarding wear of the machine tool accessory ( 14 , 18 ) is output. 7. The method as claimed in claim 1, characterized in that in at least one method step (30) the optical information is added to the optical information in order to output at least one user instruction and/or at least one machine function An instruction to consider at least one operating characteristic variable of an electronic unit ( 32 ) of the portable machine tool ( 10 ). 8. The method as claimed in claim 1, characterized in that in at least one method step (12) at least one optical element of the workpiece (16) to be processed by means of the portable machine tool (10) is detected Information, whereby at least one machine function command for changing at least one machine function is output, in particular transmitted, to an electronics unit ( 32 ) of the portable power tool ( 10 ) as a function of the detected optical information. 9 . The method as claimed in claim 1 , characterized in that in at least one method step ( 12 ), at least one optical piece of information of the machine tool accessory ( 14 , 18 ) is detected, wherein depending on Based on the detected optical information, at least one machine function command for changing at least one machine function is output, in particular transmitted, to an electronics unit (32) of the portable machine tool (10). 10. A device, in particular a hand-held power tool device, for assisting an operator of a portable power tool (10), in particular according to the method according to any one of the preceding claims, the device having at least one device for At least one detection of at least one optical piece of information of the portable machine tool (10), of a machine tool accessory (14, 18) and/or of a workpiece (16) to be processed by means of the portable machine tool (10) unit (38, 40), and the device has at least one output unit (42, 44), which is configured to output at least one usage prompt and/or at least one machine function instructions.