Safety-relevant device, arrangement

Abstract

Safety-relevant device (1, 13) for installation in a building, in particular a device for securing and / or monitoring locking means and / or emergency light and / or escape sign light and / or smoke detector and / or motion detector, with a detection device (16) which is designed to detect at least part of an escape and / or rescue route.

Description

[0001] The present invention relates to a safety-relevant device for installation in a building, in particular a device for securing and / or monitoring locking devices and / or an emergency light and / or an escape sign light and / or a smoke detector and / or a motion detector. Furthermore, the invention relates to an arrangement for monitoring escape and / or rescue routes.

[0002] Safety-relevant devices such as emergency lights, smoke detectors, motion detectors, and the like play a crucial role in the safe operation of larger building complexes, such as hospitals, airports, or large office buildings. A key aspect of operating such a building complex is ensuring that escape and / or rescue routes are always clear so they can be used at any time in an emergency. At the same time, unintentional use of emergency exits, such as the opening of emergency exit doors, should be prevented or at least indicated.

[0003] An example of safety-relevant devices are devices for securing and / or monitoring locking devices, also known as door monitors. These are used to continuously monitor movable components used to close an opening in a building, such as an emergency exit door.

[0004] In addition, smoke detectors are now mandatory in buildings in order to be able to raise the alarm early in the event of a fire and thus enable the people inside to leave the building in good time.

[0005] Another safety-relevant device is emergency lights or escape sign lights. These use appropriate pictograms to indicate the escape route or available emergency exits in an emergency.

[0006] Such safety-relevant devices are sometimes mandatory in buildings for legal reasons. This means that they must be installed by the building owner to ensure the safe operation of the building.

[0007] It is particularly important that existing escape routes or emergency exits are always clear of objects. It is not permitted to leave objects in front of emergency exit doors, for example, as this could prevent the corresponding escape and / or rescue route from being used in an emergency. This could lead to panic situations or prevent people from leaving a building in time. Inadequate escape and rescue routes have already led to catastrophic consequences in the past, particularly in fires, resulting in numerous fatalities.

[0008] Against this background, the task is to create an alternative safety-relevant device or an alternative arrangement and an alternative method for monitoring escape and / or rescue routes, whereby in particular the level of safety in a building can be improved.

[0009] This object is achieved in a safety-relevant device of the type mentioned at the outset in that it has a detection device which is designed to detect at least part of an escape and / or rescue route.

[0010] The invention is based on the fundamental idea of ​​providing a known safety-relevant device, such as a door monitor, an emergency light, an escape sign light, a smoke detector, or a motion detector, with a corresponding detection device that allows at least a part or area of ​​the escape and / or rescue route to be detected when the safety-relevant device is used in or on a building. In other words, it is intended to automatically detect whether there is an obstacle in the escape and / or rescue route or whether there are people there.

[0011] The detection device can be designed to define a monitoring area, in particular one that is at least substantially conical in shape, which preferably covers the part of an escape and / or rescue route to be monitored when the safety-relevant device is used.

[0012] In a further embodiment, the detection device can comprise or consist of an image recording device, in particular a digital image recording device, wherein the image recording device is designed in particular as a camera and / or video camera. In other words, for example, a digital camera can be provided on the safety-relevant device which, if the safety-relevant device is mounted in a building, is or can be preferably aligned such that it detects part of an escape and / or rescue route. In particular, the detection device can detect an area in front of an emergency exit door if the device is attached to an emergency exit door. This is preferably a movement area, in particular a pivoting area, of the emergency exit door. In this way, the area relevant for opening the emergency exit door can be detected.

[0013] The image recording device can be configured for infrared (IR) detection. This allows even people who typically have a higher body temperature than their surroundings and therefore stand out from the surroundings to be detected or recognized. This type of configuration is particularly relevant when monitoring whether there are still people in a building or whether everyone has already left.

[0014] The detection device can comprise a radar sensor and / or a lidar sensor and / or a time-of-flight (ToF) sensor and / or be designed as a 3D scanner. A radar sensor is preferably characterized in that a primary signal is emitted as an electromagnetic wave, in particular as a focused electromagnetic wave. The echoes reflected by objects are received and evaluated as a secondary signal. In this way, information about the objects, for example, location, in particular the determination of distance and angle, can be determined. In this way, it can be detected whether objects are located in an escape and / or rescue route.

[0015] It is possible for the detection device to comprise a lidar sensor. The lidar sensor is preferably designed to perform three-dimensional laser scanning using a laser beam. Specifically, distances can be measured in this way. A lidar sensor can also be referred to as a ladar sensor. The abbreviation lidar stands for "light detection and ranging" or "light imaging, detection and ranging."

[0016] It is conceivable that the detection device comprises a time-of-flight (ToF) sensor. Such a sensor can also be referred to as a ToF camera. This is preferably a 3D camera system. A time-of-flight sensor is preferably capable of measuring distances using the time-of-flight method. In other words, a light pulse can be emitted. The sensor measures the time for each pixel until the emitted light signal returns. The time required is proportional to the distance. This makes it relatively easy to create a 3D image of the environment. Specifically, a ToF sensor can comprise an illumination unit, optics, a sensor element, control electronics, and / or an evaluation device. Unlike a laser scanner, a ToF sensor requires no moving parts, and since the illumination and lens are located close together, it also requires less space.In addition, ToF sensors are suitable for real-time applications. The frame rates of the ToF sensor can be at least 100 frames per second, in particular at least 120 frames per second, and / or at most 200 frames per second.

[0017] The detection device can be designed as a 3D scanner. In this case, it can be provided that a three-dimensional image is taken of the surroundings of the relevant device, at least in the detected area of ​​an escape and / or rescue route.

[0018] In a specific embodiment, the detection device can be integrated into the safety-relevant device. In particular, it can be integrated into a housing of the safety-relevant device. In this case, an already known safety-relevant device can be provided with additional functionality, namely the ability to detect part of an escape and / or rescue route. In this way, the safety-relevant device can be used in its usual manner, but at the same time fulfill an additional, highly safety-relevant function.

[0019] According to a preferred embodiment, the safety-relevant device can comprise an evaluation unit configured to evaluate the data provided by the detection device and to determine whether obstacles and / or persons are located in the detected part of the escape and / or rescue route. In other words, an evaluation can take place directly in the safety-relevant device itself, determining whether obstacles or persons are located on the escape and / or rescue route. For this purpose, the evaluation unit can access data provided by the detection device, for example, image data. Specifically, the evaluation unit can comprise a computer device, e.g., a microprocessor.

[0020] Specifically, the evaluation unit can be designed to compare the data provided by the detection device with reference data, in particular with reference images. For example, reference data or reference images can be provided which relate to an escape and / or rescue route on which there are no obstacles or people. Specifically, the reference data can comprise a three-dimensional image of part of an escape and / or rescue route. If the data or image data provided by the detection device deviate significantly from this reference data, the evaluation unit can determine that there are obstacles or people in the detected area. On this basis, the evaluation unit can be designed to output status data which indicate whether or not an escape and / or rescue route is free of obstacles and / or people.This means that the evaluation unit provides information indicating at any given time whether an escape and / or rescue route is clear and usable, or whether there are obstacles or people in it. The status data can provide information about whether the escape route is clear or not. It is also possible for the status data to further indicate whether there are obstacles or people in the escape and / or rescue route. This can particularly relate to an area in front of an emergency exit door. Such a distinction between obstacles and people can be made, for example, using an IR camera.

[0021] In a further embodiment, the safety-relevant device can have a data memory which is designed in such a way that reference data, in particular reference images, can be or are stored on it. This means that a base state or an original state of the escape and / or rescue route can be stored directly in the safety-relevant device. This reference data can be provided by the detection device taking one or more images when the safety-relevant device is put into operation, in which images the escape and / or rescue route to be monitored is free of obstacles and / or people. In this embodiment, it is provided that an evaluation of the data, in particular image data, provided by the detection device takes place in the safety-relevant device itself.In other words, the safety-relevant device only indicates to the outside whether the escape route is free of obstacles or whether there are obstacles and / or persons in the detected part of the escape and / or rescue route.

[0022] The safety-relevant device can have a communication interface configured to send status data, preferably or among other things, relating to the status of the device, in particular to a receiving device. Depending on the configuration of the safety-relevant device, the status data can include information indicating whether or not an escape and / or rescue route is clear of obstacles and / or persons. In other words, the status data can include information relating to both the status of the respective safety-relevant device and the status of the escape and / or rescue route.In principle, this embodiment is based on the idea that the device can transmit information about its status via a communication interface, in particular to a receiver device, so that, for example, the status of a plurality of safety-relevant devices can be centrally monitored via this receiver device. In other words, the safety-relevant device in this case is designed to transmit information about its status so that it can be monitored by a receiver device. The receiver device is preferably not a component of the safety-relevant device, but rather interacts with it during the intended use of the safety-relevant device.

[0023] The communication interface can be configured to wirelessly transmit status data, for example, concerning the status of the device, to a receiver device. In principle, the communication interface can be configured to transmit status data via WLAN or Bluetooth or another common wireless system.

[0024] The communication interface can be designed as a mobile network interface. This allows an existing, virtually universally available mobile network to be used to transmit status data. This eliminates the need to install a separate local network or install complex cabling in the building in question.

[0025] Specifically, the communication interface can be configured to send status data to a receiving device using the Narrowband Internet of Things (NB-IoT) protocol. The NB-IoT protocol, also known as LTE CAT NB1, is a wireless technology that can be seamlessly integrated into existing mobile networks. This protocol is characterized by the fact that only low energy consumption is required to transmit data while simultaneously achieving good penetration, especially in buildings. It has been shown that, with the use of appropriate batteries, operating times of up to ten years are possible. Furthermore, components, such as modems, are inexpensive to obtain. The NB-IoT protocol can also be encrypted.

[0026] The NB-IoT protocol is preferably characterized by being based on the LTE standard, but with a bandwidth limited to a single narrowband of 200 kHz. It can use orthogonal frequency division multiplexing (OFDM).

[0027] According to a preferred embodiment, the status data can relate to identification data, including the safety-relevant device and data on the device's location within a building. In other words, for unambiguous identification, identification data relating to the device can be provided, as well as information on the device's positioning within a building. This allows for unambiguous identification and assignment of the individual safety-relevant devices, especially in larger building complexes.

[0028] According to a preferred embodiment, the communication interface is designed to send the data, in particular image data, provided by the capture device directly, in particular to a receiver device. This embodiment is based on the idea that an evaluation of the image data provided by the capture device does not take place directly in the safety-relevant device, but rather only the image data is sent to a receiver device. This means that the evaluation does not take place directly in the safety-relevant device, but externally, for example in a cloud-based platform or on an external computer device. In this case, an evaluation unit in the safety-relevant device, which also entails a certain power consumption, can be dispensed with.

[0029] The communication interface can be configured to receive commands, in particular from a receiving device. These commands can be from a central receiving device or from a platform, in particular a cloud-based platform. This configuration is based on the idea that the device not only transmits status data to a receiving device, but can also receive instructions from a receiving device. These commands can be transmitted to the device in the same way that the status data is sent from the communication interface. Depending on the type of safety-relevant device, this can be an alarm signal, the output of a light signal, or emergency lighting.

[0030] The commands that the safety-relevant device can receive from a receiving device can also include triggering the detection device. In this case, at least part of an escape and / or rescue route can be detected remotely, for example, during commissioning and corresponding reference data or images are to be determined in a situation in which there are no obstacles and / or people in the detected area of ​​the escape and / or rescue route.

[0031] The safety-relevant device can contain an energy storage device. The status data transmitted or to be transmitted by the communication interface can include information on the charge level of the energy storage device. Specifically, the energy storage device can be designed as a battery or an accumulator. For example, it can be a lithium-ion accumulator. The energy storage device is preferably rechargeable. The status data can include information on the charge level of the energy storage device. This embodiment is based on the idea of ​​transmitting this to a receiving device if the charge level of the energy storage device is too low, in order to be able to replace or recharge the energy storage device in a timely manner. In this way, it can be ensured that the safety-relevant device always functions perfectly.

[0032] It may be provided that the safety-relevant device is not connected or connectable to the power grid.

[0033] The device can comprise an acoustic and / or optical signal generator configured to emit an acoustic and / or optical alarm signal. The device is preferably configured to emit an acoustic and / or optical alarm signal upon a corresponding command from a receiver device. An acoustic signal generator can comprise or consist of a loudspeaker. An optical signal generator can comprise or consist of a light source, wherein the light source, for example, flashes when an alarm signal is emitted.

[0034] In a specific embodiment, the safety-relevant device can be designed as a device for securing and / or monitoring locking devices, in particular locking devices for doors or windows, preferably emergency exit doors. The device can comprise a base element and a movable element, which is mounted on the base element so that it can move between a locking position for securing a locking device against unintentional opening and a release position for opening the locking device. Such a safety-relevant device can also be referred to as a door monitor.

[0035] The locking means can be, for example, door handles or window levers or operating levers for opening doors, in particular emergency exit doors. The locking means are usually characterized in that they are normally in a closed position, in which the movable element in question is held closed for closing in an opening in a building, and can be moved from this closed position into an open position in which the movable element can be opened. In other words, the movable element engages in the movement range of the locking means in its secured position, whereas in its release position it is moved out of the movement range, so that the locking means can be moved or operated. Locking means orthe movable element in question, such as a window or an emergency exit door, is not part of the safety-relevant device, but interacts with it during the intended use of the device.

[0036] Specifically, the detection device can be integrated into the movable element, in particular into a housing of the movable element.

[0037] The movable element preferably has an opening, particularly in a lower region, at which or behind which the detection device is arranged. In other words, the opening can serve to emit electromagnetic waves, for example light, laser and / or radar signals, or to conduct them to the detection device arranged in the movable element. The opening can be located on a front side or on an underside of the movable element. It is also possible that, particularly in a lower region of the front side, a slope is provided in the transition to the underside, in which the opening is located. Such a design takes into account the consideration that a floor area in front of an emergency exit door in particular must be monitored for obstacles.

[0038] In a further embodiment, the status data can include information regarding the position of the movable element and / or the triggering of an alarm. In other words, the status data, which is sent from the communication interface, in particular to a receiver device, can indicate whether the movable element is in its release position or in its locking position. Furthermore, it can be transmitted whether an alarm has been triggered, for example, when the movable element is moved out of its locking position.

[0039] The safety-relevant device preferably contains a sensor configured to detect whether the movable element is in a secured position or outside its secured position. The safety-relevant device may contain a computer device. The computer device is preferably connected to the communication interface and / or configured to process the data provided by the sensor device and transmit instructions to the communication interface. The computer device may also be integrated into the communication interface and / or the detection device and / or be part of the evaluation unit or form it.

[0040] The device is preferably designed to emit an acoustic and / or visual alarm signal when the movable element is moved from its secured position toward its release position. In other words, a corresponding acoustic and / or visual alarm signal can be emitted when the locking means is actuated and, in conjunction with this, the movable element of the device is moved from its secured position. In this way, it can be signaled that an emergency has occurred, for example, when an emergency exit door is opened. It can thus be ensured that the opening of an emergency exit door is always detected and indicated.

[0041] In a further embodiment, the device can be configured to emit an acoustic and / or visual alarm signal upon a corresponding command from a receiving device. In this case, the device can emit an alarm signal not only when the movable element of this device is moved from its secured position toward its release position, but also upon instruction from a receiving device, for example, when a fire alarm is triggered and the entire building must be evacuated.

[0042] In a further embodiment, the device can comprise a pre-alarm sensor element for detecting a movement, in particular an opening movement of the locking means, preferably when the movable element is in its secured position. In other words, the device can be suitable for detecting an intended opening movement of the locking means, for example a door handle, before the locking means is fully actuated and / or brought into an open position. Specifically, the pre-alarm sensor element can be designed as a button on an upper side of the movable element. This means that such a button is first actuated before the movable element is moved out of its secured position. When the button is actuated, an intended opening of the locking means can thus be detected, even if the movable element is still in its secured position.The device can be configured to emit an acoustic and / or visual pre-alarm when the pre-alarm sensor element is actuated. The pre-alarm can be different from an alarm signal that is emitted when the movable element is moved out of its secured position. In this way, a user can be warned that they are, for example, at an emergency exit door and that an alarm will be triggered if they continue to move or actuate the locking means.

[0043] Preferably, the communication interface can be designed to send information about a pre-alarm, in particular to a receiver device, when the pre-alarm sensor element detects an opening movement of the closure means.

[0044] According to a preferred embodiment of the invention, the movable element can be pivotally mounted on the base element, allowing the movable element to pivot about a pivot axis between its locking position and its release position. Typically, in this case, the movable element must be manually pivoted before the locking means, for example, a door handle, can be moved into its opening position. The pivot axis preferably runs in a lower region of the security-relevant device.

[0045] Alternatively, the movable element can be held on the base element so that it can be moved translationally between, in particular, an upper securing position and a particularly lower release position. In this case, gravity can preferably be used to move the movable element from an upper securing position into a lower release position, for example by moving the locking means in the direction of its open position. The device is preferably designed such that when moving out of the securing position, a resistance must first be overcome before the movable element moves towards the release position. With such translational mobility, one can speak of a one-hand door guard, i.e. the movement of the locking means, for example a door handle, is sufficient to move the movable element out of its securing position.A separate manual movement of the movable element out of its locking position, which requires the use of the other hand, for example, is not necessary, unlike with a pivoting movable element.

[0046] The movable element can have a cuboidal basic shape or a housing with a cuboidal basic shape. In particular, it can be open towards the base element, so that together with the base element it forms a receiving space for various components, for example the communication interface, an energy storage device, sensor means, etc. These components can be partially or completely attached to the movable element or to the base element. The movable element preferably covers the base element and / or is flush with it when it is in its secured position.

[0047] Furthermore, a mechanism can be provided that holds the movable element in its locking position. The mechanism can be designed such that, when the movable element moves out of its locking position, a resistance must first be overcome before the movable element moves out of its locking position.

[0048] In a further embodiment, the device can have resetting means for terminating an alarm. In particular, these resetting means can comprise a preferably manually operable lock. The lock can have or consist of a locking cylinder. This embodiment is based on the idea of ​​terminating the alarm signal after the movable element has been moved out of the secure position and the alarm signal has been triggered, for example by using a manually operable lock. A specific key may be required for this, so that only certain people can operate the lock. The device can also be designed such that the movable element can be moved back from its release position to its secure position only by actuating the resetting means, in particular the lock. Resetting via a chip card is also conceivable.Alternatively or additionally, the device can also be designed in such a way that it sends a corresponding signal to a receiver device via the communication interface of the device, by which the alarm is terminated.

[0049] The base element of the device can comprise fastening means for attachment to a movable structural element for closing an opening in a building, for example a door and / or a window, preferably an emergency exit door. For example, the base element can have corresponding bores to which the device can be screwed. Furthermore, an adapter plate can be provided, by means of which the base element can be attached, in particular screwed, to a door or window frame. Specifically, the base element can be attached to the adapter plate and the adapter plate can in turn be attached, in particular screwed, to a door or window frame. In a further embodiment, the base element can be at least substantially plate-shaped.

[0050] According to an alternative embodiment, the safety-relevant device can be designed as an emergency light for the visual indication of safety signs, in particular escape signs. Such emergency lights or escape sign lights are arranged in escape and / or rescue routes to reliably indicate the corresponding escape route even in poor lighting conditions.

[0051] According to a preferred embodiment, the safety-relevant device can comprise a base body and a display device mounted on and projecting from the base body. The display device can be configured to display pictograms, in particular a safety sign and / or a direction indication indicating an escape route. The detection device is preferably integrated into the base body of the safety-relevant device.

[0052] The safety-relevant device can have a sensor device for detecting the ambient brightness. This embodiment is based on the idea of ​​using a sensor device to detect the current ambient brightness and, if the ambient brightness changes, to adjust the luminance in the emergency luminaire accordingly. For this purpose, the sensor device can provide a measured value or measurement data that represent the detected ambient brightness. Adjustment can take place to predetermined luminance values. It is also conceivable for the sensor device to comprise several sensors that can be distributed throughout a room. The safety-relevant device can include a controller that is designed to adjust the luminance, in particular of the display device, depending on the detected ambient brightness.

[0053] It is also possible for the luminance of the device to be controlled by a central device, in particular a receiver device. In other words, a receiver device can issue commands that adjust the luminance of the device.

[0054] In principle, the sensor device can be arranged separately from the safety-relevant device embodied as an emergency light. Alternatively, the sensor device can be integrated into the device and / or formed as a structural unit with the device. Particularly preferably, both the controller and the sensor device are integrated into the device or formed as a structural unit with the device. This ensures that only a single component needs to be installed, eliminating the need for complex cabling between the sensor device and the safety-relevant device embodied as an emergency light.

[0055] The display device can be configured to display pictograms, for example, an emergency exit symbol and / or arrows indicating escape route directions. A controller or the emergency light can be configured to enable a dynamic display. This means that the display device can display changing images, for example, pictograms. The display device can have an illuminated, backlit, or translucent display. In a further embodiment, the display device can comprise a backlit or translucent film or an illuminated LCD display.

[0056] A display device with a display that remains active in the event of a power failure without additional energy storage is also possible. This could be the case, for example, with an e-paper display, where the last displayed safety symbol remains.

[0057] The sensor device may comprise or consist of a brightness sensor. The brightness sensor may be based on the photoelectric effect and / or comprise or consist of a photocell and / or a photomultiplier and / or a photodiode and / or a phototransistor and / or a photoresistor.

[0058] The object underlying the invention is further achieved by an arrangement for monitoring escape and / or rescue routes, in particular with regard to obstacles and / or persons located there, wherein the arrangement comprises at least one safety-relevant device as described above and at least one, in particular exactly one, receiver device to which the at least one safety-relevant device can transmit data relating to the state of the safety-relevant device and / or data provided by the detection device.

[0059] The arrangement preferably contains a plurality of safety-relevant devices, which are or can be attached at various locations in a building. The respective devices can be configured identically or differently. The devices are preferably configured as described above.

[0060] The arrangement can have a central receiver device, which in particular comprises a central computer unit or a central server or is connected to one of these. For example, such a central receiver device can be housed in a building complex and thus communicate directly with a security-relevant device or several security-relevant devices distributed throughout the building complex.

[0061] Alternatively, the arrangement can comprise a platform, in particular a cloud-based platform, which contains at least one receiver device. A cloud-based platform, which can also be referred to as a cloud platform, is preferably not set up locally at a fixed location, but is distributed over the Internet across various computers, servers, or the like. This can ensure, for example, that, unlike a central receiver device in the building, status data and / or image data are transmitted, in particular wirelessly, preferably via mobile communications, to another location, thus enabling reliable monitoring of the status of the safety-relevant devices even in the event of a fire or natural disaster.In other words, such a cloud-based platform is preferably formed by a computer network, with the various computer units being connected to one another, for example, via the Internet. The receiver device is preferably configured to communicate wirelessly with the at least one safety-relevant device, specifically to receive status data and / or data provided by the detection device from it and / or to send commands to it.

[0062] In a further embodiment, the receiver device can have a mobile radio module which is particularly designed to communicate with at least one, in particular each, or with the at least one safety-relevant device according to the NB-IoT protocol, specifically to receive status data from it and / or to send commands to it and / or to receive data which is provided by the detection device.

[0063] The platform, in particular a cloud-based platform, or the central receiving device can provide or include human-machine interfaces, for example, by allowing access to the status data and / or data provided by the recording device via a web browser. The platform or the receiving device can also be configured to provide information concerning the device(s) and / or information on the status of an escape and / or rescue route via mobile devices, such as smartphones or tablets, or to transmit messages to such devices, for example via mobile communications.

[0064] The arrangement can comprise further components which are arranged, for example, in a building and which are designed to send data relating to their status to the receiver device. The further components can be motion detectors, door monitors, smoke detectors, emergency lights and / or escape sign lights. These further components preferably have a communication interface which is designed to communicate with the receiver device in the same way as described above, i.e. to send status data and / or to receive commands. The further components can be designed like the safety-relevant components described above and have a detection device. It is also possible for at least some further components not to have such a detection device.

[0065] Furthermore, the arrangement, in particular the receiving device or the particularly cloud-based platform, can comprise a computer unit or be connected to such a computer unit. The computer unit can be configured to process and / or monitor status data received from the at least one device and / or data provided by the detection device and, depending on the history of the status data, to transmit messages about the status, for example, to mobile devices, or to send commands to the at least one device.

[0066] In a further embodiment, the arrangement can comprise at least one safety-relevant device for securing and / or monitoring locking devices, in particular locking devices of doors and / or windows, preferably of emergency exit doors, and at least one safety-relevant device designed as an emergency light for the visual display of safety signs, in particular escape signs. Preferred embodiments are those each comprising a plurality of safety-relevant devices.

[0067] The at least one device of the arrangement according to the invention can be designed to send data, in particular image data, provided by the detection device to the receiver device, in particular to a central receiver device or to a cloud-based platform, so that the image data can be evaluated in the cloud-based platform or a server or a central computer unit in order to determine whether there are obstacles in the escape and / or rescue routes. Alternatively, at least one, in particular each, or the at least one device can be designed to internally evaluate the data provided by the detection device, so that only status data relating to the status of the escape and / or rescue route, i.e. whether or not there are obstacles and / or persons therein, is transmitted.

[0068] The aforementioned object is further achieved by a method for monitoring escape and / or rescue routes, in particular with regard to obstacles and / or persons located there, in which, in particular, an arrangement as described above is used. The at least one safety-relevant device detects at least part of an escape and / or rescue route with its detection device. The data thus acquired, in particular image data, are evaluated, and it is determined whether obstacles and / or persons are located on the escape and / or rescue route.

[0069] The data provided by the detection device can be evaluated directly in the safety-relevant device. Alternatively, the data provided by the detection device can be processed or transmitted unprocessed to a receiving device, so that an evaluation of whether obstacles and / or persons are present on the escape and / or rescue route can take place in a central receiving device and / or on a cloud-based platform.

[0070] When evaluating the data provided by the detection device, it is preferably compared with reference data or reference images. If the provided data largely matches the reference data, then no relevant obstacles and / or persons are located in the detected part of the escape and / or rescue route. If significant differences exist, then obstacles and / or persons are located in the detected or monitored part of the escape and / or rescue route. In other words, the data provided by the detection device is compared with corresponding reference data or reference images to determine whether obstacles and / or persons are located in the detected part of the escape and / or rescue route.

[0071] The evaluation of the data provided by the acquisition device can be carried out using artificial intelligence. Accordingly, the evaluation unit of the respective security-relevant device, a receiving device, the cloud-based platform, or a computer device on which the evaluation takes place can have access to artificial intelligence.

[0072] It is also possible to manually define the detected section of the escape and / or rescue route during commissioning of the respective safety-relevant device. This could, for example, be the swing range of an emergency exit door. This ensures that at least the area required for the safe opening of an emergency exit door is reliably monitored. The detected section can be defined during commissioning. This can be done, for example, via a graphical user interface of a cloud-based platform and / or a central receiving device. Specifically, this can be done via manual input.

[0073] The comparison of the data provided by the acquisition device with reference data can, for example, involve a comparison of the gradients present in the acquired data, in particular image data. In particular, a comparison can be made to determine whether a high gradient is not recognizable in the reference image at points where a high gradient is recognizable in the acquired data. This comparison can take place continuously or at discrete time intervals.

[0074] In a specific embodiment, the at least one safety-relevant device can record the escape and / or rescue route permanently or at defined time intervals. Corresponding data can be provided permanently or at defined time intervals. It is also possible for recording to take place at defined time intervals during normal operation and for recording to take place continuously during emergency operation, e.g. during an evacuation of the building. With discrete recording, particularly at defined time intervals, the current data, in particular image data, is preferably compared with the data from the previous recording. Obstacles can be detected primarily when several data sets relating to successive recordings indicate deviations from reference data. This can prevent obstacles from being present for too short a time and thus unnecessary false alarms.In other words, obstacles are only considered problematic if they are in the recorded part of an escape and / or rescue route for a certain period of time.

[0075] It can be provided that the communication interface of at least one, in particular each safety-relevant device, or of the at least one safety-relevant device transmits status data concerning the status of the device to a receiving device. The status data can be transmitted to the receiving device at regular intervals. It is also conceivable that, in particular, certain status data are transmitted only when a change in the status occurs.

[0076] The communication interface(s) of at least one, in particular each, device or the at least one device can transmit status data or data provided by the detection device to a receiving device wirelessly, in particular via mobile radio. In a further embodiment, the communication interface of at least one, in particular each safety-relevant device or the at least one safety-relevant device can transmit the status data and / or data provided by the detection device to the receiving device according to the NB-IoT protocol.

[0077] The status data may include data on the position of the movable element, on triggering an alarm, identification data and data on the location of the at least one device in a building.

[0078] At least one, in particular each device or the at least one device can contain an energy storage device and the information on the charge state of the energy storage device can be transmitted to a receiving device.

[0079] In addition, at least one, in particular each device or the at least one device if it contains a pre-alarm sensor element, can transmit a pre-alarm to the receiver device via its (respective) communication interface if the pre-alarm sensor element detects an opening movement of the closure means.

[0080] At least one, and in particular each, safety-relevant device may have or constitute a motion detector. This allows the safety-relevant device to be used simultaneously to detect whether there are people in the vicinity of the safety-relevant device.

[0081] If the arrangement contains additional components, these can also send data regarding their status to the receiving device. The central receiving device or the platform can also monitor and process this data.

[0082] In particular, if the arrangement comprises a cloud-based platform containing at least one receiver device, the platform can send commands via the (respective) communication interface to at least one, in particular each, device or to the at least one device. It can be provided that the platform sends a command to one or more devices to trigger a visual and / or acoustic alarm signal at the respective device. This can occur, for example, if a break-in into a building is detected, for example, by a motion detector or a door sensor. In this case, the devices can function as alarm devices.

[0083] In a further embodiment, the central receiving device or the in particular cloud-based platform can send information about the status of at least one, in particular each device or the at least one device to a mobile device, in particular to a smartphone or a tablet, or to a human-machine interface, in particular a PC, or to a corresponding interface, in particular a web browser. The use of an app on a mobile device or on a stationary computer is also conceivable in order to access the status data. Accordingly, the platform or a central receiving device can be designed to send such information. For this purpose, the central receiving device or the in particular cloud-based platform can have a computer unit which processes and monitors the status data transmitted by the at least one device.The computing unit can also process data transmitted by other components. Specifically, the cloud-based platform or the central receiving device can have a corresponding interface, particularly a mobile communications interface.

[0084] The idea behind this design is that the devices not only transmit information about their status, but that an operator / user / provider of such an arrangement is also informed of problems by means of corresponding messages. For example, the operator can be informed early on if the charge level of an energy storage device in a device reaches a critical value. This ensures that the energy storage device is replaced or recharged in a timely manner. It is also possible for an operator to be informed via a corresponding message if the movable element in a device moves out of its secured position and an alarm is triggered. This not only makes it possible to detect accidental or intentional alarm triggering, but also to determine whether a break-in into a building is taking place.

[0085] Preferably, an alarm is triggered or a corresponding message is sent when it is detected that the part of an escape and / or rescue route detected by the detection device is not clear, i.e. there is an obstacle there. The alarm can be triggered if an obstacle is detected over a longer period of time. An operator / user / operator can then go to the relevant location in the building and ensure that the obstacle is removed. Even in the event of an alarm, e.g. a fire alarm, in which the building in question has to be evacuated, an alarm can be triggered or information can be sent to an operator / user / operator if there are still people in the monitored part of the escape and / or rescue route. In this way, it can be ensured, for example, that all people have left the building in the event of an alarm.

[0086] In a further embodiment of the method, the central receiving device or, in particular, the cloud-based platform can forward information about the status of at least one, in particular each, device or the at least one device, to rescue personnel, particularly in an emergency situation, for example, to provide information about used emergency exits. Especially in larger building complexes, this allows rescue personnel such as the fire department or paramedics to be directed directly to the locations where emergency exits have been used. This saves valuable time in rescue activities and accelerates access to injured persons, for example.

[0087] The in particular cloud-based platform or the central receiving device can further send commands in particular to the communication interface(s) of at least one, in particular each, device or the at least one device, for example in order to trigger and / or mute an alarm, in particular an optical and / or acoustic alarm signal.

[0088] The central receiving device, or in particular the cloud-based platform, can record and / or store the status data transmitted by the respective device and / or data provided by the recording device. In this way, for example, in larger building complexes, the areas where problems regularly occur can be identified. It is then possible, for example, to provide increased video surveillance in these key areas. In other words, the status data can be evaluated accordingly by recording and / or storing it.

[0089] Based on the status data transmitted by the devices, the central receiving device or the cloud-based platform in particular can send messages to human-machine interfaces, in particular to mobile devices, preferably tablets or smartphones.

[0090] The object underlying the invention is further achieved by a movable component for closing an opening in a building, in particular a door and / or a window, preferably an emergency exit door, with a locking means, in particular a door handle or a window lever, wherein the component is provided with a safety-relevant device as described above. The locking means can, for example, be a pivotable door handle or a window lever or an operating lever and / or can be movable, in particular pivotable, between a closed position and an open position. A door handle can have a substantially horizontal orientation in a closed position, whereas the door handle can be inclined downwards from the pivot axis in the open position. The safety-relevant device can in this case be designed as a door guard.

[0091] The device can be attached to the movable component such that the closure means rests directly against the movable element, in particular against a pre-alarm sensor element, when the movable element is in its secured position and the closure means is in its closed position. In this case, movement of the closure means from its closed position can directly trigger a pre-alarm.

[0092] Preferably, the device is attached to the movable component in such a way that the movable element in its securing position prevents or impairs a movement of the closure means, and that the movable element in its release position is moved out of the movement range of the closure means.

[0093] It can be provided that when an obstacle is detected in an escape and / or rescue route, an alarm is triggered, which can be forwarded to a central or decentralized reporting system. This ensures that obstacles in an escape and / or rescue route are immediately removed.

[0094] For further details of the invention, reference is made to the dependent claims and the embodiment described below with reference to the drawing. The drawing shows: Fig. 1 shows a perspective view of a security-relevant device for securing and monitoring closure means according to the present invention; Fig. 2 the device from Fig. 1 in a front view; Fig. 3 the device from Fig. 1 in a side view; Fig. 4 shows a perspective view of a safety-relevant device designed as an escape sign luminaire according to the present invention; and Fig. 5 an arrangement according to the invention in a schematic representation.

[0095] The Fig. 1 to 3 show a safety-relevant device 1 according to the invention for securing and monitoring locking devices, for example, door handles of emergency exit doors. Such a device 1 can also be referred to as a door monitor. The device 1 comprises a Fig. 1 to 3 not directly visible base element 2, which has fastening means, for example in the form of fastening holes 3, for attachment to an emergency exit door. The base element 2 is in the Fig. 3 are shown hatched. The mounting holes 3 are also shown in the Fig. 3 indicated by dotted lines.

[0096] The safety-relevant device 1 further comprises a movable element 4, which has a cuboidal basic shape or an at least substantially cuboidal housing 5. The movable element 4 is held on the base element 2 so as to be translationally movable between an upper securing position, as shown in the figures, for securing a closure means against unintentional opening, and a lower release position for opening the closure means.

[0097] The front of the movable element 4 is provided with a pictogram 6 for an emergency exit door and with an arrow 7. The arrow 7 indicates the direction in which the movable element 4 is to be moved when it is to be brought into its release position, or indicates the escape route direction.

[0098] On its upper side, the movable element 4 carries a pre-alarm sensor element in the form of a button 8, which is designed to detect an opening movement of the locking means when the movable element 4 is in its secured position. In other words, it is detected when the button 8 is pressed slightly downward, which happens, for example, when the door handle of an emergency exit door is moved slightly downward.

[0099] The Fig. The safety-relevant device 1 shown in Figures 1 to 3 further includes sensor means designed and suitable for detecting whether the device is in its securing position or outside its securing position or in its release position. The sensor means are not shown in the figures. Furthermore, the device 1 includes an energy storage device 9, which is designed, for example, as a battery or as a rechargeable accumulator, in particular as a lithium-ion accumulator, and in the Fig. 3 is shown schematically.

[0100] In addition, the safety-relevant device 1 contains a communication interface 10, which is designed as a mobile radio interface. The communication interface 10 is shown schematically in the Fig. 3 and is designed to send status data relating to the status of the device 1 to a receiver device according to the Narrow Band Internet of Things (NB-loT) protocol.

[0101] The safety-relevant device 1, as described in the Fig. 1 to 3, can be attached to an emergency exit door in such a way that the door handle of the emergency exit door rests directly on the button 8 when the door handle is in its closed position and the movable element 4 is in its secured position. In this case, a slight downward movement of the door handle causes the button 8 to be actuated and a pre-alarm to be detected by the pre-alarm sensor element. An acoustic output device 11 in the form of a loudspeaker, which is only schematically shown in the Fig. 3, in this case, emits a signal so that the person operating the door handle recognizes that an alarm is about to be triggered if the user continues to operate the door handle downwards. If this happens, a certain resistance is overcome, which holds the movable element 4 in its upper locking position, so that the movable element 4 also moves downwards into its release position under gravity. In this case, the acoustic output device 11, which is integrated into the pictogram 6 in this case, initially emits a continuous alarm signal.

[0102] If the alarm is silenced or the movable element 4 is returned to its secure position, a manually operable lock 12 can be used with a corresponding key. By turning the locking cylinder of the lock 12, the alarm can be silenced or acknowledged, and the movable element 4 can be returned to its secure position.

[0103] Alternatively, the alarm can also be silenced by a corresponding command from a receiving device. For this purpose, the communication interface 10 is configured to receive commands from a receiving device.

[0104] The Fig. 4 shows another safety-relevant device 13, which is designed as an emergency light for the visual display of safety signs, e.g., escape signs. Specifically, the safety-relevant device 13 comprises a base body 14, which is elongated, and a display device 15 held on the base body and projecting downward from the base body. This display device 15 is designed to display pictograms, in this case, by way of example, a safety sign and a direction indication indicating an escape route device. Specifically, this is a backlit display. In the same way as the device 1 designed as a door guard, the device 13 designed as an emergency light also has a communication interface 10.

[0105] Both the safety-relevant device 1 designed as a door guard and the safety-relevant device 13 designed as an emergency light each have a detection device 16 designed to detect at least part of an escape and / or rescue route. In the figures, this is shown schematically by a cone, which is intended to represent a detected area. The detection device 16 comprises a digital image recording device, which is designed as a video camera and for detection in the infrared range. Specifically, the detection device 16 is integrated into the respective safety-relevant device 1, 13. For this purpose, for example, the safety-relevant device 1 of the Fig. 1 to 3 has an opening 17 in the housing in a lower area, behind which the detection device 16 is located. In the same way, the safety-relevant device 13, which is shown in the Fig. 4, a corresponding opening 17 in its base body 14.

[0106] In the present embodiment, each safety-relevant device 1, 13 comprises an evaluation unit 18, which is designed to evaluate the data provided by the detection device 16 and to determine whether obstacles and persons are located in the detected part of the escape and / or rescue route. For this purpose, the evaluation unit 18 is designed to compare the data provided by the detection device 16, in particular image data, with reference data, in particular with reference images. For this purpose, the safety-relevant devices 1, 13 each have a data memory 19 on which reference data is stored. Furthermore, the respective evaluation unit 18 is designed to output or transmit status data indicating whether or not an escape and / or rescue route is free of obstacles and / or persons. The output of status data can take place via the communication interface 10, as described above.

[0107] In the Fig. Figure 5 shows an arrangement according to the invention for monitoring escape and / or rescue routes. This arrangement comprises a device 1 configured as a door monitor and a device 13 configured as an emergency light, as well as a cloud-based platform 20, which is schematically depicted as a computer network. The cloud-based platform 20 contains a receiver device 21. The communication interfaces 10 of the devices 1, 13 are configured to transmit status data relating to the status of the respective device to the receiver device 21 of the cloud-based platform 20 at regular intervals. Specifically, this occurs via mobile radio according to the NB-IoT protocol.

[0108] The transmitted status data regarding the security-relevant device 1, which is designed as a door guard, includes information on the position of the movable element 4, for triggering an alarm, identification data regarding the device 1, and information on the positioning of the device 1 in a building. Furthermore, the status data includes information on the charge level of the energy storage device 9.

[0109] For example, if the door handle of the emergency exit door to which device 1 is attached is moved downwards, the pre-alarm sensor element (button 8) first detects the opening movement of the door handle. The acoustic output device 11 then emits a pre-alarm, informing the person operating the door handle that the emergency exit in question is alarmed. If the door handle is no longer operated but is released again, the pre-alarm ceases and the movable element 4 remains in its upper secured position. If the person in question decides to operate the door handle further downwards, the movable element 4 is moved out of its upper secured position against resistance and falls into its lower released position due to gravity.

[0110] The sensor means detect this, so that an alarm signal is emitted via the acoustic output device 11. At the same time, the communication interface 10 transmits this change in state to the receiver device 21 of the cloud-based platform 20. The cloud-based platform 20 can then send a corresponding message to a mobile device 22, for example, a smartphone. In this way, information can be forwarded to rescue personnel, for example, that the emergency exit in which the device 1 is mounted has been used.

[0111] Furthermore, it is possible to send a message to the cloud-based platform 20 by corresponding operation on the mobile terminal 22 in order to send a message to the device 1 via the receiver device 21 via the communication interface 10 and, for example, to mute the alarm.

[0112] Similarly, the communication interface 10 of the safety-relevant device 13 also transmits status data to the receiver device 21 of the cloud-based platform 20. This status data may include, for example, data on the ambient brightness originating from a sensor element (not shown) contained in the safety-relevant device 13, data on the status of an energy storage device of the safety-relevant device 13, or the like.

[0113] The status data sent from the communication interfaces 10 of the safety-relevant devices 1, 13 to the cloud-based platform 20 also includes information about whether obstacles and / or persons are located in the detected part of the respective escape and / or rescue route. For example, if the detection device 16 of the safety-relevant device 1 detects that obstacles are located in the monitored part of the escape and / or rescue route, the communication interface 10 transmits a corresponding message to the cloud-based platform 20, specifically to the receiving device 21. A corresponding message is then transmitted from the cloud-based platform 20 to the mobile terminal 22, so that the building operator can locate the corresponding location and, if necessary, remove any existing obstacles. List of reference symbols 1 safety-relevant device (door guard) 2 Basic element 3 mounting holes 4 movable element 5 housings 6 pictogram 7 Arrow 8 buttons 9 Energy storage 10 Communication interface 11 acoustic output device 12 Castle 13 safety-relevant device (emergency light) 14 basic bodies 15 Display setup 16 Recording device 17 Opening 18 Evaluation unit 19 data storage 20 cloud-based platform 21 Recipient facility 22 mobile devices

Claims

[1] Safety-relevant device (1, 13) for installation in a building, in particular a device for securing and / or monitoring locking means and / or emergency light and / or escape sign light and / or smoke detector and / or motion detector, with a detection device (16) which is designed to detect at least part of an escape and / or rescue route. [2] Safety-relevant device (1, 13) according to claim 1, characterized by that the detection device (16) comprises an image recording device, in particular a digital image recording device, wherein the image recording device is designed in particular as a camera and / or video camera, wherein, preferably, the image recording device is designed for detection in the infrared (IR) range. [3] Safety-relevant device (1, 13) according to claim 1 or 2, characterized bythat the detection device (16) comprises a radar sensor and / or a LiDAR sensor and / or a Time of Flight (ToF) sensor and / or is designed as a 3D scanner. [4] Safety-relevant device (1, 13) according to one of the preceding claims, characterized by that the detection device (16) is integrated into the safety-relevant device, in particular into a housing (5) of the safety-relevant device. [5] Safety-relevant device (1, 13) according to one of the preceding claims, characterized by that the safety-relevant device comprises an evaluation unit (18) which is designed to evaluate the data provided by the detection device (16) and to determine whether obstacles and / or persons are located in the detected part of the escape and / or rescue route. [6] Safety-relevant device (1, 13) according to claim 5, characterized bythat the evaluation unit (18) is designed to compare the data provided by the detection device (16) with reference data, in particular with reference images. [7] Safety-relevant device (1, 13) according to claim 5 or 6, characterized by that the evaluation unit (18) is designed to output status data which indicate whether an escape and / or rescue route is free of obstacles and / or persons or not. [8] Safety-relevant device (1, 13) according to one of the preceding claims, characterized by that the safety-relevant device has a data memory (19) which is designed such that reference data, in particular reference images, can be stored thereon. [9] Safety-relevant device (1, 13) according to one of the preceding claims, characterized bythat the safety-relevant device has a communication interface (10) which is designed to send status data, in particular relating to the status of the device, preferably to a receiver device (21). [10] Safety-relevant device (1, 13) according to claim 9, characterized by that the communication interface (10) is designed to send the data, in particular image data, provided by the detection device (16) directly, in particular to a receiver device (21). [11] Safety-relevant device (1, 13) according to claim 9 or 10, characterized by that the status data include identification data concerning the safety-relevant device and data on the location of the device in a building. [12] Safety-relevant device (1, 13) according to one of claims 9 to 11, characterized by that the communication interface (10) is designed as a mobile radio interface. [13] Safety-relevant device (1, 13) according to claim 12, characterized by that the communication interface (10) is designed to send status data, in particular to a receiver device (21), according to the Narrow Band Internet of Things (NB-loT) protocol. [14] Safety-relevant device (1, 13) according to one of claims 9 to 13, characterized by that the communication interface (10) is designed to receive commands from a central receiver device (21) or from a platform, in particular from a cloud-based platform. [15] Safety-relevant device (1, 13) according to one of the preceding claims, characterized by that it contains an energy store (9) and preferably the status data comprise information on the charge state of the energy store (9). [16] Safety-relevant device (1, 13) according to one of the preceding claims, characterized bythat the device has an acoustic and / or optical signal generator which is designed to emit an acoustic and / or optical alarm signal, wherein, in particular, the device is designed to emit an acoustic and / or optical alarm signal upon corresponding command of a receiver device (21). [17] Safety-relevant device (1) according to one of the preceding claims, characterized by that it is designed as a device for securing and / or monitoring locking means, in particular locking means of doors and / or windows, preferably emergency exit doors, wherein the device has a base element (2) and a movable element (4) which is held on the base element (2) so as to be movable between a securing position for securing a locking means against unintentional opening and a release position for opening the locking means. [18] Safety-relevant device (1) according to claim 17, characterized by that the detection device (16) is integrated into the movable element, in particular into a housing (5) of the movable element. [19] Safety-relevant device (1) according to claim 18, characterized by that the movable element has, in particular in a lower region, an opening (17) at which the detection device (16) is arranged. [20] Safety-relevant device (1) according to one of claims 17 to 19 and one of claims 9 to 14, characterized by that the status data includes information on the position of the movable element and / or the triggering of an alarm. [21] Safety-relevant device (1) according to one of claims 17 to 20, characterized by that the device has reset means for terminating an alarm, which in particular comprise a preferably manually operable lock (12). [22] Safety-relevant device (1) according to one of claims 17 to 21, characterized by that the device comprises a pre-alarm sensor element for detecting a movement, in particular an opening movement, of the closure means, preferably when the movable element is in its securing position. [23] Safety-relevant device (1) according to claim 22, characterized by that the pre-alarm sensor element is designed as a button (8) on an upper side of the movable element. [24] Safety-relevant device (1) according to claim 20 or 21 and according to one of claims 9 to 14, characterized by that the communication interface (10) is designed to send information about a pre-alarm, in particular to a receiver device (21), when the pre-alarm sensor element detects an opening movement of the closure means. [25] Safety-relevant device (1) according to one of claims 17 to 24, characterized bythat the movable element is pivotally held on the base element (2) so that the movable element can be pivoted about a pivot axis between a securing position and a release position. [26] Safety-relevant device (1) according to one of claims 17 to 24, characterized by that the movable element is held on the base element (2) so as to be translationally movable between a particularly upper securing position and a particularly lower release position. [27] Safety-relevant device (13) according to one of the preceding claims, characterized by that the safety-relevant device (13) is designed as an emergency light for the visual display of safety signs, in particular escape signs. [28] Safety-relevant device (13) according to claim 27, characterized by that the device has a base body (14) and a display device (15) held on it and projecting from it. [29] Safety-relevant device (13) according to claim 28, characterized by that the display device (15) is designed to display pictograms (6), in particular a safety sign and / or a direction indication which indicates an escape route direction. [30] Safety-relevant device (13) according to one of claims 27 to 29, characterized by that the device (13) has a sensor device for detecting the ambient brightness. [31] Safety-relevant device (13) according to claim 30, characterized by that the device (13) is designed to adapt the luminance of the device (13) depending on the ambient brightness detected by the sensor device. [32] Arrangement for monitoring escape and / or rescue routes, in particular with regard to obstacles and / or persons located there, comprising at least one device according to one of the preceding claims and at least one, in particular exactly one, receiver device (21) to which the at least one device (1, 13) can transmit data relating to the state of the device and / or data provided by the detection device (16). [33] Arrangement according to claim 32, characterized by that it has a central receiver device (21) which in particular comprises or is connected to a central computer unit or a central server. [34] Arrangement according to claim 33, characterized by that the arrangement comprises a platform, in particular a cloud-based platform (20), which contains at least one receiver device (21). [35] Arrangement according to one of claims 32 to 34, characterized bythat the arrangement contains at least one safety-relevant device (1) according to one of claims 17 to 26 and at least one safety-relevant device (13) according to one of claims 27 to 31. [36] Arrangement according to one of claims 32 to 35, characterized by in that the at least one safety-relevant device (1, 13) is designed to send image data provided by the detection device (16) to the receiver device (21), in particular to a central receiver device (21) or to a cloud-based platform (20), so that the image data can be evaluated in the cloud-based platform (20) or a server or a central computer unit in order to determine whether there are obstacles in the escape and / or rescue route. [37] Movable component for closing an opening of a building, in particular a door and / or window, preferably an emergency exit door, with a locking means, in particular on a door handle or on a window lever or on an operating rod, wherein the movable component is provided with a safety-relevant device (1) according to one of claims 17 to 26.

Images