Remotely Controllable Power Tools and Systems for Use with Construction Robots

Abstract

The present invention relates to a powered machine tool (10), particularly a handheld machine tool, including a motor (40) and a tool holder (14) for holding a tool, such as a drilling tool, cutting tool, and / or grinding tool, where the motor (40) is designed to drive the tool holder (14). The machine tool (10) can be remotely controlled. The machine tool (10) can have a protection device (42) that can be remotely activated and / or deactivated. The present invention also relates to a system (200) consisting of such a machine tool (10) and a construction robot (210). The machine tool (10) is particularly universally and easily used with the assistance of the construction robot (210), particularly both manually and automatically.

Description

[Technical Field]

[0001] The present invention relates to the use of power tools by construction robots. [Background technology]

[0002] In order to make the employment of construction robots as flexible and cost-effective as possible, it is desirable to be able to use construction robots with different types of power tools.

[0003] In particular, low operating costs can be expected if power tools that can be used in other ways can be used with little effort together with the construction robot. Summary of the Invention [Problem to be solved by the invention]

[0004] It is therefore an object of the present invention to provide a power tool that allows both manual use and automated use by a construction robot with as little effort as possible to switch between them, and to supply such a power tool to a construction robot. [Means for solving the problem]

[0005] This object is achieved by a power tool, in particular a handheld power tool, comprising a motor and a tool joint for holding a tool, such as a drilling tool, a cutting tool and / or a grinding tool, wherein the motor is configured to drive the tool joint and the power tool can be remotely controlled electrically and / or wirelessly.

[0006] This is based on the idea that, although it would in principle be conceivable to use a power tool together with a construction robot, one or more actuating elements of which would be influenced mechanically, for example by a hydraulic and / or pneumatic system, so that the power tool could be switched on and off, for example, by the construction robot, such a hydraulic system or such a pneumatic system would each require extensive modifications in the construction robot, which would in addition have to be made specifically for each power tool.

[0007] In contrast, the power tool presented here allows for remote control by a construction robot. The remote control can be performed either wirelessly and / or via an electrical connection. Extensive additional components for the mechanical control unit of the power tool, in particular a mechanical control unit specifically adapted for the power tool, are not required.

[0008] Thus, power tools can be used by construction robots with little preparation effort and therefore particularly cost-effectively.

[0009] Nevertheless, the power tool remains easily usable manually, and in particular, neither the electrical nor the wireless-based remote control interferes with manual handling of the power tool.

[0010] This possibility of problem-free manual use allows the power tool to be more widely distributed, in particular the power tool can be a handheld power tool, thus allowing economies of scale to be used and, as a result, further reducing the manufacturing costs of the power tool.

[0011] It is envisaged that the power tool has a data interface, and that the power tool can preferably be remotely controlled via the data interface.

[0012] For example, the data interface may be configured to transmit control commands, characteristic data, and / or status data.

[0013] For example, the operating mode and / or operating state of the power tool may be controlled.

[0014] In particular, the power tool can be switched on and / or off by remote control.

[0015] It is also contemplated that at least one of the work output, direction of rotation, frequency of rotation, torque, or impact frequency may be set by remote control.

[0016] In the case of power tools with an impact function, it may be preferable if the impact function can also be set by remote control. Thus, for example, a construction robot for drilling a hole in concrete can first start drilling with the impact function deactivated, and then activate the impact function to minimize the risk of undesirably cracking the borehole edge.

[0017] The power tool may be configured to provide characteristic data, such as at least one identification data, one performance capability, such as the maximum available impact energy and / or the maximum available work output, that can be called up, in particular via a data interface.

[0018] It is also conceivable that the power tool is configured to provide at least one operating state of the power tool, such as at least one rotational speed, temperature or component wear measurement, so that it can be called up, in particular via a data interface.

[0019] For this purpose, it is advantageous if the data interface has a bidirectional design. Then, for example, both control commands can be transmitted by the construction robot to the power tool and property and / or status data can be transmitted by the power tool to the construction robot. Here, it is also conceivable that the control commands and / or property and / or status data can alternatively or additionally be transmitted in the respective opposite directions.

[0020] The power tool may have at least one protection device for protecting a user during manual use of the power tool.

[0021] The protective device can be, for example, a start-up lock, in particular a restart-up lock, which prevents the motor from starting solely by application of the supply voltage, in particular without additional actuation of an actuating element.

[0022] The power tool may have an actuating element by which the protection device is implemented, which may be an electric switch, such as a rotary switch, slide switch or rocker switch, an electric button, such as a push button, or an actuator, such as a knob, e.g. a potentiometer or slider.

[0023] The power tool may also have a sensor, which may be configured to detect a protection condition, which may correspond to when a protection device is activated.

[0024] The sensors can be, for example, proximity sensors, acceleration sensors, rotation sensors, translation sensors, current and / or voltage sensors.

[0025] The protective device may be configured to reduce or stop vibration, work output, rotational frequency, speed, and / or torque when an event monitored by the protective device occurs so that the user is intuitively informed of the occurrence of the monitored event and / or is immediately protected from its consequences.

[0026] The protection device can also be configured to prevent operation of the motor, thus preventing use of the power tool until the monitored event no longer exists, thereby preventing injury to the user.

[0027] The protection device may be deactivatable, in particular actuable and deactivatable. In particular, the protection device may be deactivatable by remote control, in particular actuable and deactivatable by remote control.

[0028] Power tools may feature protective devices to ensure safe use by human users. For example, a speed controller may be provided so that the speed can only be set after it has been depressed, thus avoiding inadvertent operating errors during manual use.

[0029] Further examples of protective devices are also blockage detection units, e.g., units that detect when the drill bit of an electric drill is stuck in the substrate, and / or automatic torque control units, in each case coupled with automatic switching off or at least automatic reduction of the rotation speed.

[0030] A further example of a protection device is a restart lock that prevents the motor from being started without a corresponding switch or controller being depressed or generally manually activated. Such a restart lock is conceivable, particularly in the case of cordless power tools, to avoid undesired starts when charging the battery of the power tool.

[0031] The protection device can also be a vibration damping unit, in particular a vibration damping unit for reducing vibrations in the handle section of a power tool.

[0032] The protection device may also be configured to require the user to perform a specific gesture. For example, a power tool may have two actuating elements positioned at different points so that the motor starts only when both actuating elements are simultaneously activated. Thus, for example, the user may be required to hold the power tool with both hands at a defined point, thereby avoiding, for example, injury to one hand.

[0033] While such protection devices may facilitate and / or protect manual use by a human user, they may make use by a construction robot significantly more difficult or even impossible.

[0034] For example, in the last mentioned example, the construction robot would have to be configured to mimic certain gestures in order to be able to use the power tools, otherwise the construction robot would not be able to use the power tools.

[0035] Therefore, in such cases, the range of power tools that can be used by construction robots can be increased if the protection device of the power tool can be deactivated, especially by remote control, and can also be activated, especially by remote control, so that it can be deactivated in cases that would prevent its use by the construction robot and, as a precaution, can be reactivated in other situations.

[0036] The power tool may be configured such that deactivation and / or activation of the protection devices is actively performed by communicating, among other things, corresponding control commands.

[0037] For example, it is contemplated that a power tool may be configured to passively deactivate and / or activate by automatically detecting whether the power tool is being used by a construction robot in a manual or automated manner.

[0038] The power tool may have a battery interface for connecting a battery, so that the power tool can be operated without a cord.

[0039] At least part of the data interface can be integrated into the battery interface. Remote control can then be performed via the data interface.

[0040] A system is also presented that includes a construction robot and a power tool, the power tool being arranged on an end effector of the construction robot, the construction robot being configured to activate and / or deactivate a protective device of the power tool, which can correspond to the power tools described above and in each case has a protective device.

[0041] In such a system, the construction robot may deactivate the protection device before using the power tool so that it cannot further interfere with the actual use.

[0042] An interface adapter for connecting a power tool to an end effector of a construction robot is also presented, the interface adapter having connection points for connecting to the power tool designed to complement the power tool's standard battery interface.

[0043] One idea underlying the present invention is that power tools, in particular battery-powered power tools, for example hand-held power drills, in particular battery-powered hand-held power tools such as masonry power drills, nail guns, power grinding tools, power saws or power chisels, usually have an energy supply interface of a standardized, in particular uniform design, at least for many types of power tools, for example from the same manufacturer.

[0044] Therefore, a battery-powered power tool may have a standard battery interface, which allows a battery that complies with the relevant standard to be installed on the power tool. The standard battery interface may perform at least two functions: First, the standard battery interface may be designed to securely hold the battery on the power tool. For this purpose, the standard battery interface may have, for example, a latching mechanism.

[0045] Second, the standard battery interface can be configured to transmit operating energy. Here, operating energy can be transmitted in one direction, in particular from the battery to the power tool. Operating energy can also be transmitted in two directions, for example for the purpose of recharging the battery by recovery. The standard battery interface can have even further functions. In particular, the standard battery interface can also be configured to transmit signals between the battery and the power tool. The signal transmission can be one-way or two-way.

[0046] The interface adapter can thus be installed on one side of the end effector of the construction robot. The connection point allows the interface adapter to be installed on the other side, in particular to a standard battery interface of a power tool, instead of a conventional battery. The power tool can thus be installed on the end effector via the interface adapter. This is possible for all power tools that have the same standard battery interface, and therefore generally for many different types of power tools, in particular those that can be powered by a battery.

[0047] Generally, the standard battery interface is designed for tool-less fastening and / or tool-less removal of the battery, so that the power tool can be easily and quickly re-separated from the end effector without the need for special tools.

[0048] Such standard battery interfaces generally have a latching mechanism for securing the battery, thereby ensuring that the power tool is nevertheless securely held on the end effector.

[0049] Construction robots can be configured to perform work on walls and / or ceilings, in particular on building construction sites, civil construction sites, and / or industrial plants.

[0050] The interface adapter may have a power tool signal interface and a construction robot signal interface for transmitting at least one signal between the construction robot and the power tool. Thus, in addition to a mechanical connection of the construction robot to the power tool, a signal transmission connection between the two devices may also be created by the interface adapter.

[0051] A signal may be understood to mean, for example, at least one control signal and / or at least one sensor signal.

[0052] The transmission can be one-way or two-way.

[0053] The interface adapter may also have an additional battery interface and / or an additional signal interface, whereby a battery may be attached to the interface adapter.

[0054] The power tool signal interface and the construction robot signal interface can also be configured to transmit operating energy. Thus, electrical operating energy can be supplied to the power tool. Operating energy here can be understood to mean the energy substantially required to operate the power tool in a conventional manner. Correspondingly, the signal interface can be configured to transmit an instantaneous power of at least 0.1 kW, for example, at least 1 kW.

[0055] If the interface adapter has an additional battery interface and / or an additional signal interface, operating energy can also be transferred to a battery arranged at this or these interfaces, for example for the purpose of charging the battery. For example, it may also be possible to transfer operating energy from said battery, in particular to be able to provide an increased power level to the power tool for a short period of time.

[0056] At least a portion of the power tool signal interface may be formed as part of the connection point, for example, the power tool signal interface may use, or at least cooperate with, one or more electrical contacts of the connection point.

[0057] Thus, the sensor signal may be able to be transmitted through the connection point.

[0058] It is also conceivable that a separate control interface is provided for transmitting control signals, for example for switching the power tool on / off or for controlling at least one operating parameter, for example the rotational speed. This may be advantageous, for example, in the case of power tools where at least one function required for controlling the power tool cannot be controlled via the standard battery interface.

[0059] The interface adapter may also include a signal converter configured to transform a signal received at one of the signal interfaces, for example, to change the level, impedance, or signal coding of the signal, and output the signal at the other signal interface.

[0060] In particular, the signal converter may be configured to translate sensor and / or control signals being output by the construction robot in a "robot language" into a signal format that can be processed by the power tool. Alternatively or additionally, the signal converter may be configured to convert sensor and / or control signals from the power tool into a signal format that can be processed by the construction robot.

[0061] The construction robot may therefore be able to control different types of power tools using signals that are in each case independent of the power tool, or conversely, to receive signals from different power tools.

[0062] Here, signals can be transmitted on a half-duplex or full-duplex basis, and the signals can be differential or ground referenced.

[0063] Alternatively or additionally, the signal converter may transform the transmitted motion energy.

[0064] The signal interface may be an electrical interface, for example such that at least one signal is modulated onto the operational energy supply.

[0065] Alternatively or additionally, it is also conceivable that at least one of the signal interfaces is configured for wireless data transmission, particularly optical and / or radio-based data transmission. For example, it is advantageous if the wireless data transmission utilizes a low-energy radio standard. The connection can exhibit automatic coupling. In particular, inductive, microwave-based, and / or optical, e.g., infrared-based, data transmission is envisioned. Such wireless data transmission is reliable even in very dusty environments, such as those typically encountered on construction sites. Moreover, such data transmission does not require any mechanical interaction for coupling purposes, thus simplifying coupling and decoupling.

[0066] The interface adapter may also comprise a control unit configured to generate a control signal and output said control signal to at least one of the two signal interfaces.

[0067] To this end, the interface adapter may have a microcontroller, which may have a memory, a microprocessor, and / or program code that may run on the microprocessor and that is stored in the memory.

[0068] Such a control unit allows the interface adapter to control the attached power tool and / or construction robot. For example, the control unit, particularly the program code, can be configured to detect a fault, such as improper placement of the power tool on the interface adapter. It can then be configured to send a corresponding signal to the construction robot via the construction robot signal interface. For example, the construction robot can initiate a fault handling routine in response to the signal. A further example is for the power tool's control unit to send an interrogation signal via the power tool signal interface. The power tool can then send back a response signal. For example, in this way, the control unit can interrogate and / or set parameters of the power tool.

[0069] The control unit may be configured to, for example, inquire about the type or identifier of the power tool. The control unit may then set its own parameters, for example signal converter parameters related to the conversion, according to the type or identifier, and / or transmit the parameters, in this case the type or identifier, to the construction robot via the construction robot signal interface. Similarly, it is also conceivable that the control unit may transmit an interrogation signal to the construction robot and receive a response signal from the construction robot. Based on the response signal, the control unit may set its own parameters and / or those of the power tool.

[0070] In particular, the control unit can be configured to receive at least one sensor signal from the power tool signal interface and / or the construction robot signal interface. The sensor signal can then be used by the control unit for control purposes. For example, if the sensor signal relates to vibrations caused by a power tool, the control unit can send a control signal via the power tool signal interface to operate at a lower power and / or assume a standby mode if a certain level of vibration of the power tool is exceeded. Thus, the construction robot can be protected from mechanical overload.

[0071] Further sensor signals are alternatively or additionally conceivable, e.g., sensor signals indicating at least one characteristic variable of the power tool and / or construction robot, e.g., relating to vibration, current, force, temperature, type, condition and / or position of the power tool, travel distance and / or feed movement, etc.

[0072] If a battery interface is available, the sensor signal may also relate to a battery connected to the battery interface.

[0073] It is also conceivable that the sensor signal indicates the operating mode and / or that the control unit specifically sets the operating mode of the power tool.

[0074] Thus, for example, the behavior of the power tool can be adjusted depending on whether a battery or an interface adapter is attached. For example, triggers can be set or ignored depending on the detected condition. A wake-up mode can, for example, be triggered. It is also possible for an identification code to be transmitted and / or received by the control unit.

[0075] The durability of the construction robot and / or the accuracy of construction tasks that can be performed by the construction robot can be improved if the interface adapter has at least one damping element for damping vibrations acting on the interface adapter. The damping element can be configured for passive and / or active damping.

[0076] The interface adapter itself can have at least one sensor. The sensor can be, for example, a force sensor and / or a pressure sensor. The interface adapter can then be configured to measure contact force, pull force, etc.

[0077] A system is also presented that includes a construction robot, an interface adapter of the type described above and / or below, and a power tool, the power tool having a standard battery interface, the standard battery interface of the power tool being positioned at a connection point of the interface adapter.

[0078] The power tool may in particular have one or more features of the power tools described above. In particular, the power tool may include a protection device.

[0079] It is contemplated that the system may also include additional adapter parts, such that there may be power tool specific and / or construction robot specific adapter parts that can be used to adapt the power tool and / or construction robot to the interface adapter.

[0080] The power tool can be configured, in particular via its standard battery interface, to detect whether a battery or an interface adapter is installed on the standard battery interface. It can also be configured to detect whether any element, whatever it may be, is installed on the standard battery interface, and if so, to detect in particular what type of element it is. Thus, the power tool can be configured, for example, to utilize recovery when a battery is installed, and not utilize recovery when an interface adapter is installed.

[0081] It is also contemplated that the power tool may be modified, such that the handle insert of the power tool may be at least partially replaced with a portion of the interface adapter or the entire interface adapter.

[0082] The construction robot may be designed to perform construction work on building construction sites and / or civil engineering construction sites and / or particularly steel-based industrial plants, e.g., oil platforms. The construction robot may be configured to perform construction work on ceilings, walls, and / or floors. The construction robot may be designed for drilling, cutting, chiseling, grinding, and / or setting structural elements. The construction robot may have one or more power tools. The power tools may include cutting tools, grinding tools, and / or setting tools. It is also conceivable that the end effector and / or power tool may be designed for marking. For example, the end effector may have a paint spraying device. Alternatively or additionally, a measuring tool, e.g., a distance meter, may also be arranged on the end effector.

[0083] The interface adapter can be installed on the end effector. The power tool and / or the measuring tool can then be installed on the interface adapter. The construction robot, in particular the end effector, can in principle also include multiple power tools and / or measuring tools.

[0084] The construction robot may have a manipulator. The manipulator may be designed as a robotic arm. The manipulator may also have a lifting device. The lifting device may increase the size of the total volume that the manipulator can reach. The manipulator may have at least three degrees of freedom. In particular, the manipulator may have at least six degrees of freedom.

[0085] The construction robot may also have a mobile platform. The mobile platform may include a wheeled undercarriage and / or a track-chain undercarriage. The mobile platform may have at least two degrees of freedom. The construction robot may have at least ten degrees of freedom overall. Alternatively, the mobile platform may be or include a flying platform. For example, the construction robot may be designed as a flying drone.

[0086] It is also contemplated that the construction robot may be operable via an interface adapter.

[0087] It is also contemplated that the power tool may be activated and / or deactivated via the connection point.

[0088] Further features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the invention, with reference to the drawing figures which show the details essential to the invention, and from the claims. The features shown therein should not necessarily be understood to be to scale, but are shown so as to clearly show the particular features according to the invention. The various features can be implemented individually by themselves or collectively in any combination in a variant of the invention.

[0089] Exemplary embodiments of the invention are shown in the schematic drawings and explained in detail in the following description. [Brief explanation of the drawings]

[0090] [Figure 1] Indicates a power tool. [Figure 2] 1 shows a side view of an interface adapter. [Figure 3] 1 illustrates a side view of a modified power tool having a power tool adapter portion. [Figure 4] 1 shows a perspective view of a power tool during modification of the power tool; [Figure 5] 1 illustrates a side view of a modified power tool with an interface adapter installed. [Figure 6] 1 shows a perspective view of an internal portion of an interface adapter having a control unit. [Figure 7] 1 illustrates a system including a construction robot, an interface adapter, and a power tool. [Figure 8] A simplified block diagram is shown. DETAILED DESCRIPTION OF THE INVENTION

[0091] In the following description of the drawings, understanding of the invention is facilitated by the use in each case of the same reference numerals for identical or functionally corresponding elements.

[0092] Figure 1 shows a power tool 10. Power tool 10 is a battery-powered masonry drill.

[0093] The power tool 10 has a base body 12 with a tool coupling 14 protruding from one end of the base body 12. At the other end is a handle 16. Located on the handle 16 is an actuation element 17 that can be used to manually control the power tool 10. In particular, the actuation element 17 can be used to start and stop a drilling operation or to adjust the rotational speed.

[0094] The power tool 10 further includes a standard battery interface 18. The standard battery interface 18 is designed to accept a battery. The standard battery interface 18 serves, among other purposes, to secure the battery to the power tool 10, to transfer operating energy between the battery and the power tool 10, and to transmit signals between the battery and the power tool 10.

[0095] For example, FIG. 1 shows the battery 20 pushed approximately halfway onto the standard battery interface 18 as shown in FIG.

[0096] To allow the battery 20 to be installed in the standard battery interface 18 , the battery 20 has connection points 22 designed to be complementary to the standard battery interface 18 .

[0097] To fully install the battery 20, it will need to be pushed further in the direction of arrow 24 onto the standard battery interface 18. Therefore, to fully remove the battery, it will need to be pushed further out of the standard battery interface 18 in the opposite direction of arrow 24.

[0098] Therefore, installation and removal is possible without the use of tools.

[0099] FIG. 2 shows an interface adapter 100 for connecting a power tool to an end effector of a construction robot.

[0100] The interface adapter has a power tool connection point 110 for connection to a power tool, for example the power tool 10 according to FIG.

[0101] The power tool connection point 110 has a power tool connection portion 112 that is designed to complement the standard battery interface 18 (see FIG. 1). Thus, the power tool connection point 110 as a whole is designed to complement the standard battery interface 18.

[0102] The power tool connection 112 has electrical contacts 114. When the power tool 10 is attached to the power tool connection 110, operating energy, particularly for the purpose of operating the power tool 10, can be transmitted through the contacts 114. For example, a current having a voltage of about 22 V DC voltage can be transmitted as operating energy.

[0103] It is also possible for signals to be transmitted bidirectionally to and / or from the power tool 10 via the contacts 114 by modulating the signals onto the transmitted operating energy. The contacts 114, in conjunction with the remainder of the power tool connection point 110, simultaneously form a power tool signal interface 116 at this point.

[0104] The interface adapter 100 further includes a construction robot connection point 118, which serves to connect to a construction robot end effector, such as the construction robot described in further detail below in connection with FIG.

[0105] To specifically releasably fasten the interface adapter 100 to the end effector, the construction robot attachment point 118 specifically has a pneumatically actuatable bracket 120 .

[0106] The power tool connection point 110 can be pressed onto the damping element 122 such that the damping element 122 is located substantially between the power tool connection point 110 and the construction robot connection point 118. The damping element serves, for example, to dampen vibrations that may be generated by the power tool 10 during operation of the power tool 10.

[0107] Operating energy can be transmitted between the attached construction robot and the interface adapter 100 via the electrical contact socket 124. For example, the operating energy can be transmitted in the form of a current having a voltage of 48V.

[0108] Modulation also allows signals to be transmitted, in particular bidirectionally, between the interface adapter 100 and the construction robot via the contact socket 124. The contact socket 124, in conjunction with the rest of the construction robot connection point 118, simultaneously forms a construction robot signal interface 126 at this point.

[0109] Thus, signals can be communicated between the power tool 10 and the construction robot via the power tool signal interface 116 and via the construction robot signal interface 126.

[0110] The interface adapter 100 further includes a control unit 128 .

[0111] Power tool connection point 110 is electrically connected to the remainder of interface adapter 100 , and in particular control unit 128 , via connecting leads 130 .

[0112] Therefore, operating energy can also be transmitted between the construction robot and the power tool 10 via the power tool signal interface 116 and the construction robot signal interface 126.

[0113] Figure 3 shows a modified version of the power tool 10. Compared to the design of Figure 1, the handle 16 with the actuating element 17 and the battery 20 have been removed.

[0114] The manually operable actuating element 17 is now replaced by a control connector 26 so that the control function of the actuating element 17 is electronically controllable.

[0115] The power tool adapter portion 28 is installed on the power tool 10 in place of the handle 16 .

[0116] The standard battery interface 18 is pivotally mounted on the outside of the power tool adapter portion 28 .

[0117] 4 shows in perspective view the power tool 10 during modification of the power tool 10. In particular, in the subsequent step corresponding to the view of FIG. 4, it is possible to see the standard battery interface 18 pivoted counterclockwise by approximately 90 degrees onto the already installed power tool adapter portion 28.

[0118] Also visible are mating contacts 30 formed on the standard battery interface 18 and configured to establish electrical contact with contacts 114 (see FIG. 2).

[0119] FIG. 5 shows a modified power tool 10 according to FIG. 3, on which an interface adapter 100 according to FIG. 2 is installed.

[0120] For this purpose, the damping element 122 is placed, for example screwed, on the power tool adapter part 28 .

[0121] The power tool connection point 110 seats on the standard battery interface 18 .

[0122] The control connector 26 is connected to a control connection socket 132 of the control unit 128 .

[0123] FIG. 6 shows an internal perspective view of the control unit 128.

[0124] The control unit 128 includes an electronic circuit 134, which has, among other things, a microcontroller 136. The microcontroller 136 has a microprocessor 138 and a memory 140. The memory 140 stores program code 142 that can be executed on the microprocessor 138.

[0125] The control unit 128 is configured, among other things, by the program code 142 to convert a signal received at one of the signal interfaces. In particular, the control unit 128 is configured to convert a 48V DC modulated signal received at the robot signal interface 144 into a 22V DC modulated signal and output said signal at the power tool signal interface 116. The control unit 128 therefore also forms the signal converter 144.

[0126] The control unit 128 is further configured by the program code 142 to interrogate sensor signals 146 from vibration sensors 148. It is further configured to output a braking signal at the power tool signal interface 116 (FIG. 2) if at least one of the sensor signals 146 exceeds a threshold value. Based on the braking signal, the power tool 10, which in this exemplary embodiment is designed as a masonry drill, can, for example, reduce its rotational speed so that vibrations caused by said power tool are also reduced.

[0127] 7 shows a system 200. The system 200 includes a construction robot 210, an interface adapter 100, and a power tool 10.

[0128] The interface adapter 100 corresponds to the interface adapter 100 described above with reference to FIGS.

[0129] The power tool 10 corresponds to the power tool 10 described above with reference to FIGS. 1, 3, 4 and 5.

[0130] The construction robot 210 has a mobile platform 214 equipped with a track-chain undercarriage 212. A manipulator 216 is arranged on the mobile platform 214. The manipulator 216 has a lifting device 218 on which a multi-axis arm 220 is mounted. The lifting device 218 is capable of moving the arm 220 vertically. The arm 220 has at least six degrees of freedom. Thus, an end effector 222 arranged at the working end of the arm 220 can be oriented both vertically and horizontally. The construction robot 210 can therefore perform construction operations, in particular drilling operations on ceilings, walls, and / or floors, using a power tool 10 designed as a masonry drill.

[0131] The interface adapter 100 is placed on the end effector 222. Its construction robot signal interface 126 (see FIG. 2) is connected to a corresponding signal output of the construction robot 210.

[0132] In particular, the standard battery interface 18 (see FIG. 2) of the power tool 10 is positioned over the power tool connection point 110 (see FIG. 2) of the interface adapter 100.

[0133] Fig. 8 shows a simplified block diagram of the system 200. The diagram according to Fig. 8 is limited in a simplified form to the features that are described in detail below. Unless otherwise stated, the elements that are described in detail below correspond in each case to the corresponding elements described above.

[0134] The system 200 is shown to include a construction robot 210 and a power tool 10 .

[0135] The power tool 10 is connected to the construction robot 10 via the interface adapter 100 and the battery interface 18 as described above.

[0136] The power tool 10 includes a power tool control unit 32. The power tool control unit 32 includes a power tool microcontroller 34 and a power tool memory 36. The power tool memory 36 stores power tool program code 38 that is executable on the power tool microcontroller 34. The program code 38 and the power tool microcontroller 34 are collectively configured to control the elements of the power tool 10.

[0137] In particular, the power tool control unit 32 is configured to control the power tool's motor 40. The motor 40 is configured to drive the tool joint 14 (see FIG. 1).

[0138] Data, in particular signal and operating data of the power tool 10, can be transmitted bidirectionally between the construction robot 10 and the power tool via the data interface 31. The data interface 31 is integrated into the battery interface 18.

[0139] In particular, as also mentioned above, the power tool 10 can be remotely controlled by the construction robot 100. To do this, control signals can be sent from the construction robot control unit 224 of the construction robot 10 to the power tool control unit 32 via the interface adapter 100 and the data interface 31.

[0140] The power tool 10 has a protection device 42 for protecting a user during manual use of the power tool 10. The protection device 42 includes a sensor 44.

[0141] The protection device 42, and in particular the sensor 44, is configured to detect an obstruction of the tool held in the tool joint and to notify the power tool microcontroller 34 of this obstruction by means of an obstruction signal.

[0142] The power tool program code 38 configures the power tool microcontroller 34 to be in a manual operating mode activated in a standard manner, thereby slowing and stopping the motor 40 if a shut-off signal is received.

[0143] However, the construction robot control unit 224 can send a deactivation signal to the power tool microcontroller 34 such that the power tool microcontroller 34 then switches to an automatic operating mode via the power tool program code 38. In this automatic operating mode, the power tool microcontroller 34 does not react to any shut-off signal received from the protection device 42. Thus, the protection device 42 can be deactivated by remote control.

[0144] The construction robot control unit 224 can similarly switch the power tool microcontroller 34 back to manual operation mode by an activation signal. Thus, the protection device 42 can also be activated by remote control.

[0145] Here, the construction robot control unit 224 deactivates and then reactivates the protection device 42 before performing a construction task, in this case before starting to drill into the stone. [Explanation of symbols]

[0146] 10 Power tools 12 Base 14 Tool joints 16 Handle 17 Actuating Elements 18 Battery Interface 20 Storage battery 22 Connection points 24 Arrow 26 Control Connector 28 Adapter parts 30 mating contacts 31 Data Interface 32 Power tool control unit 34 Power Tool Microcontroller 36 Power Tool Memory 38 Power Tool Program Code 40 Motor 42 Protective Devices 44 sensors 100 Interface Adapter 110 Power tool connection point 112 Power tool connection 114 contact points 116 Power Tool Signal Interface 118 Construction Robot Connection Points 120 bracket 122 Damping Elements 124 Contact Socket 126 Construction Robot Signal Interface 128 Control Unit 130 connecting lead wire 132 Control Connection Socket 134 circuits 136 Microcontrollers 138 microprocessors 140 memory 142 Program Code 144 Signal Converter 146 Sensor Signal 148 Vibration Sensor 200 systems 210 Construction Robot 212 Track Chain Undercarriage 214 Moving Platform 216 Manipulator 218 Lifting Device 220 Arm 222 End Effector 224 Construction Robot Control Unit

Claims

1. A power tool (10), in particular a hand-held power tool, comprising a motor (40) and a tool coupling (14) for holding a tool, such as a drilling tool, a cutting tool, and / or a grinding tool, wherein the motor (40) is configured to drive the tool coupling (14), The power tool (10) is characterized in that it can be remotely controlled electrically and / or wirelessly.

2. 2. The power tool according to claim 1, characterized in that the power tool (10) has a data interface (31), and the power tool (10) can preferably be controlled remotely via the data interface (31).

3. 3. Power tool according to claim 1 or 2, characterized in that the data interface (31) has a bidirectional design.

4. The power tool of claim 1, wherein the power tool (10) comprises at least one protection device (42) for protecting a user during manual use of the power tool (10).

5. The power tool of claim 4, wherein the protection device (42) is configured to reduce or stop vibration, work output, rotational frequency, speed, and / or torque.

6. The power tool of claim 4, wherein the protection device (42) is configured to prevent operation of the motor (40).

7. 5. The power tool according to claim 4, characterized in that the protection device is deactivatable, in particular activatable and deactivatable.

8. 5. Power tool according to claim 4, characterized in that the protection device (42) is deactivatable by remote control, in particular it is activatable and deactivatable by remote control.

9. 3. The power tool according to claim 1 or 2, characterized in that the power tool (40) has a battery interface (18) for connecting a battery.

10. 10. The power tool according to claim 9, when dependent on claim 2, characterized in that at least a part of the data interface (31) is integrated into the accumulator interface (18).

11. 10. A system (200) including a construction robot (210) and the power tool (10) of claim 1, wherein the power tool (10) is disposed on the construction robot (210), and the construction robot (210) is configured to activate and / or deactivate the protection device (42) of the power tool (10).

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