• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to a method for controlling a lighting device (23-25). In the method, image information of a specific detection area (22) is detected with a detection device (21) and a specified object in the detection area (22) is automatically recognized by evaluating the image information with a processing device (26). The lighting device (23-25) is automatically activated as a function of the detection of the predetermined object.
    公开号:AT16868U1
    申请号:TGM361/2015U
    申请日:2015-12-16
    公开日:2020-11-15
    发明作者:
    申请人:Tridonic Gmbh & Co Kg；
    IPC主号:
    专利说明:

    description
    METHOD OF CONTROLLING A LIGHTING DEVICE AND LIGHTING SYSTEM
    The present invention relates to a method for controlling a lighting device and a lighting system which uses the method for controlling the lighting device. The present invention relates in particular to a method for controlling a lighting device as a function of recognition of a predetermined object.
    Usual lighting systems in, for example, private households, office buildings, industrial plants or event buildings, e.g. Exhibition halls use wired or wireless control devices such as wall switches or remote controls to operate the lighting system. With the aid of these control devices, for example, lighting devices in the building or the system can be switched on or off or a brightness, a color or an illumination characteristic can be set. Wired control devices are usually arranged in a stationary manner and are therefore difficult to reach for a user, especially in large rooms. Furthermore, wired control devices can only be installed in new locations with great effort when the room layout is changed, for example in office buildings, industrial plants or exhibition halls. Wireless control devices such as Radio-based or infrared-based control devices can easily be used in a large number of locations, but if control is carried out by multiple users, it must be ensured that the control device is available to each user, for example by storing it in a predetermined location when not in use. If the wireless control device cannot be found by a user, he cannot adjust the lighting as desired.
    The object of the present invention is therefore to provide an improved control of a lighting device which at least partially solves the above-mentioned problems.
    This object is achieved according to the present invention by a method for controlling a lighting device according to claim 1 and a lighting system according to claim 10. The dependent claims define preferred and advantageous embodiments of the invention.
    According to the present invention, a method for controlling a lighting device is provided in which image information of a specific detection area is detected with a detection device. The detection device can include, for example, a camera, in particular a digital camera. By evaluating the image information with a processing device, for example a microprocessor control, a predetermined object in the detection area is automatically recognized in the method. The lighting device is automatically activated by means of the processing device as a function of the detection of the specified object. The detection area can, for example, encompass a large part or the entire area of a room which can be illuminated with one or more lighting devices. Since the lighting device is controlled as a function of an optical detection of a predetermined object, no special wired or wireless control device is required to control the lighting device. The lighting device can thereby be controlled, for example, from any location within the specific detection area.
    [0006] The predefined object can, for example, be an object from a predefined group of objects. By specifying the objects to which the processing device for controlling the lighting device reacts, unintentional activation of the lighting device can be avoided and a high level of reliability in the activation of the lighting device can be achieved. For example, the specified ob-
    can be a face of a given person. In this case, the predefined group of objects can include, for example, faces from a predefined group of people. For example, the control of the lighting device or a specific feature of the control of the lighting device can be released for only a specific person or group of people. This can prevent the lighting device or a specific feature of the lighting device from being controlled by unauthorized persons. Alternatively or additionally, the predefined object can comprise a human body or a human body part. For example, predetermined movements or arrangements of the human body or of the human body part, in particular for example a human hand, can be used to control certain functions of the lighting device. Furthermore, for example, certain arrangements or movements of a human foot or a human finger can be recognized and used to control the lighting device. This enables simple and intuitive control of the lighting device. As an alternative or in addition, the specified object can also include, for example, a piece of furniture. The lighting device can be controlled by arranging the piece of furniture in the detection area or moving the piece of furniture within the detection area. If, for example, an armchair is arranged in the direction of a television in a living room, this can be automatically recognized by the processing device and the processing device can automatically control the lighting device in such a way that lighting suitable for watching television occurs.
    According to one embodiment, in the method, a position of the predetermined object in the detection area is also determined by evaluating the image information and the lighting device is controlled as a function of the position of the predetermined object. For example, positions can be defined in a room or on a wall, which serve as virtual actuation points, for example to switch a lighting device on or off. As soon as a hand is recognized at this predetermined position, for example, the corresponding control of the lighting device is carried out automatically. Furthermore, for example, the position of a human body in the room can be determined and the lighting device can be controlled as a function of the position of the human body in the room. For example, it is mainly the lighting devices that are located in the vicinity of the human body that can be activated, whereas lighting devices that are further away from the human body are deactivated or at least operated with a weaker light intensity. In this way, for example, energy can be saved in large halls and, despite this, sufficient lighting can be ensured for one or more people in the hall.
    [0008] Three-dimensional image information of the detection area is preferably recorded. The three-dimensional image information can be acquired, for example, with what is known as a depth camera, which is able to provide depth information for each image point or at least for a plurality of image points or image point areas in addition to a two-dimensional projection view of the acquisition area. As a result, three-dimensional position information of the objects in the detection area can be determined with high accuracy.
    According to one embodiment, the method automatically recognizes a combination of several predetermined objects in a predetermined arrangement and automatically controls the lighting device as a function of this recognition. For example, in a meeting room, depending on the seating or occupancy by people, a Appropriate control of the lighting devices in the meeting room takes place. In a discussion round, in which the participants, for example, essentially sit in a circle or a group, the meeting room can, for example, be evenly illuminated. If, on the other hand, a lecture or lecture takes place in the conference room, the area of the lecture
    which are lit brighter than the area of the audience. In this case, the several predetermined objects are, for example, the chairs or human bodies present in the room.
    In a further embodiment, the predetermined object comprises a surface section with a further object arranged thereon. For example, the surface section can be a section of a table surface and the further object arranged thereon, for example, a human hand. By arranging the hand in specific positions on the table surface or by executing specific movements with the hand on the table surface, predetermined settings of the lighting device can then be made on the basis of the automatic detection of these arrangements and movements. For example, a dimmer function for a lighting device can be implemented by moving the hand on the table surface.
    In a further embodiment, a movement of a predetermined object in relation to the detection area is determined by evaluating the image information and the lighting device is controlled as a function of the movement of the predetermined object. The predefined object can be, for example, a specific predefined person who is automatically recognized on the basis of their face, for example. When this person moves through the room, for example a lighting device which has an adjustable directional beam characteristic can be controlled in such a way that the directional beam essentially follows the movement of the person. In this way, for example, during a lecture or a performance, a person giving the presentation can be automatically illuminated, even if this person is moving within the detection area. Furthermore, the movement of the predefined object in relation to the detection area can be a specific gesture of, for example, a human hand. Certain movements can be assigned to certain controls of the lighting device. For example, a movement of the hand in a vertical direction downward can bring about a decrease in the brightness of the lighting device and conversely, a movement of the hand in a vertical direction upwards can bring about an increase in the illuminance of the lighting device.
    In a further embodiment, an alignment of the specified object in relation to the detection area is determined by evaluating the image information. The lighting device is activated as a function of the alignment of the specified object. For example, the specified object can be a human finger, the orientation of which is determined by evaluating the image information. The lighting device can, for example, comprise a plurality of lighting elements which are arranged distributed over the detection area. By evaluating the alignment of the finger, one of the lighting elements of the lighting device can be identified, for example, which is subsequently controlled.
    In a further embodiment, the lighting device is able to set a property of the light emitted by the lighting device as a function of the control. For example, a light color, a light intensity, a radiation angle or a position from which light is emitted can be adjustable. The various properties of the light emitted by the lighting device can be set, for example, via various gestures, arrangements or movements of predetermined objects, for example a human finger or a human hand. Thus, a large number of properties of the lighting device can be set in a simple manner, so that a large number of setting means usually used for this purpose, such as e.g. Switch, can be avoided.
    In a further embodiment, the predetermined object is a human body. Depending on the detection of the human body, alarm information is generated and the alarm information is transmitted to an alarm center via a communication network. Thus, the method can also contribute to burglar detection and alarming, for example. Alternatively or additionally, it can be recognized in the method that the
    human body is in an emergency situation, for example. This can be recognized, for example, when the human body suddenly falls to the ground from a standing or sitting position and, for example, remains motionless for a predetermined time. In this case, the alarm information can be transmitted via the communication network to a rescue center, which can initiate a rescue of the person. Together with the alarm information, the captured image information can be transmitted, for example, in order to provide more clarity about what is happening in the detection area in the alarm center 0 of the rescue center.
    According to the present invention, a lighting system is also provided, which comprises a detection device for detecting image information of a specific detection area, a lighting device and a processing device. The processing device is coupled to the detection device and the lighting device. The processing device is able to recognize a predefined object in the detection area by evaluating the image information from the detection device and to control the lighting device as a function of the detection of the predefined object. The lighting device is therefore suitable for carrying out the method described above and its embodiments and therefore also includes the advantages described above.
    The present invention will be described below in detail with reference to the drawings.
    Fig. 1 shows steps of a method according to an embodiment of the present invention.
    2-5 schematically show various scenarios that are detected and processed by a lighting system according to an embodiment of the present invention.
    Fig. 1 shows a method 10 with method steps 11-13. The method 10 is used to control a lighting device, which is described in detail with reference to FIGS. 2-5. In the method, in step 11, image information of a specific detection area is detected with a detection device. In step 12, a predetermined object is automatically recognized in the detection area by evaluating the image information with a processing device. Alternatively, several predetermined objects in the detection area can also be automatically recognized by evaluating the image information with the processing device. In step 13, the lighting device is automatically activated by the processing device as a function of the detection of the specified object or the specified objects.
    The method 10 described above can be used, for example, by a lighting system 20 which is shown in FIG. For example, FIG. 2 shows a room in which the lighting system 20 is installed. The lighting system 20 comprises a detection device 21 for detecting image information of a specific detection area 22, which is delimited in FIG. 2 by the dashed lines. The lighting system 20 further comprises a lighting device which, in FIG. 2, comprises three lighting units 2325. The lighting units 23-25 can be controlled individually, for example, in order to individually set a light color, a light intensity, a radiation angle or a position from which light is emitted for each of the lighting units 23-25. The lighting system 20 additionally comprises a processing device 26 which is coupled to the lighting units 23-25 and the detection device 21 via wired or wireless connections. The detection device 21 can in particular include a so-called depth camera, which provides three-dimensional image information of the detection area 22. By evaluating the three-dimensional image information in the processing device, the processing device is able to identify objects in the detection area 22 and to determine their three-dimensional position. As a result, the processing device can use a predetermined object, for example a hand, a
    Detect a sight or an object in the detection area 22 by evaluating the image information and control the lighting units 23-25 as a function of the detection of this predetermined object. The processing device 26 is able, for example, to detect and distinguish faces and to set the lighting individually for certain people. Furthermore, the processing device 26 can determine gestures which are carried out by people or arrangements of people or objects in the detection area 22 on the basis of the three-dimensional image information from the detection device 21. The processing device 26 can thus define, for example, an area or an object in the detection area 22, which is to serve as a control interface for controlling the lighting units 23-25 and control the lighting units 23-25 accordingly. In this case, for example, object positions or changes in arrangement can be detected and the light from the lighting units 23-25 can be adapted accordingly.
    In the scenario shown in FIG. 2, the processing device 26 can, for example, recognize that a person stands up from a position 30 on a sofa 31 and moves along the arrow 32 to a position 33. The lighting elements 23-25 can be controlled accordingly. For example, the lighting elements 23 and 24 can shine with weak intensity as long as the person is sitting in the position 30 on the sofa 31. In this state, the lighting unit 25 provides a high level of brightness in order to enable the person to read a book, for example. When the person stands up, as shown in FIG. 2, and moves through the room in the detection area 22, the lighting units 23-25 can be controlled in order to illuminate the entire room with even and high brightness in order to ensure good orientation Allow person in the room.
    FIG. 3 shows a further scenario which is processed by the lighting system 20. On the basis of the image information from the detection device 21, the processing device 26 recognizes that a person is lying on the floor in the position 34 or that a person who was previously sitting on the sofa 31 in the position 30, along a movement of the arrow 35 into the position 34 fell to the ground. On the basis of this recognition, the processing device 26 generates alarm information and transmits it via a communication network 40 to an alarm center 41, for example. In the alarm center 41, the alarm information can be output, for example, via a terminal 42 to another person 43, for example a rescue worker, who is responsible for a rescue the person in position 34 can initiate. The transmission between the communication network 40 and the terminal 42 can include wired or, as shown in FIG. 3, wireless communication 44.
    In the embodiment of the lighting system 20 shown in FIG. 4, the detection device 21 and the processing device 26 are designed to be integrated. The scenario shown in FIG. 4 represents a working environment, for example in an office. A first person 51 sits at a table 52 and works at a computer 53. A second person 54 stands at a control surface 55 which is attached to a wall of the office space . The control surface 55 can for example have symbols for controlling the lighting units 23-25, but is electrically passive, i.e. the control surface 55 is not coupled to the processing device 26 and is not able to transmit information signals to the processing device 26. The control surface 55 can for example comprise a panel printed with symbols without any electrical components. The control surface 55, like a surface of the desk 52, is located in the detection area 22 of the detection device 21. The second person 54 can, for example, touch symbols on the control surface 55 with their hand or finger. These touches are recognized by the processing device 26 and the lighting units 23-25 are controlled according to these touches. For example, symbols for individually switching the lighting units 2325 on and off can be shown on the control surface 55, so that the corresponding lighting element 23-25 is switched on or off when one of these symbols is touched. The control surface 55 can be arranged at any point in the room, provided that the point is in
    the detection area 22 is located. The desk surface of the desk 52 can also serve as a control surface. For example, a specific area of the desk surface can be defined which, when touched by the first user 51, effects predetermined settings on the lighting units 23-25.
    In Fig. 4, for example, an enlarged detail 56 is shown, which shows a portion of the desk surface from above with a hand 57 on it. A movement of the hand in the direction of the arrow 58 can, for example, be automatically recognized by the processing device 26 and the lighting unit 24 assigned to the desk 52 can be set to be brighter on the basis of the detected movement of the hand 57 in the direction of the arrow 58. Conversely, on the basis of a movement of the hand 57 in the direction of the arrow 59 recognized by the processing device 26, the lighting device 24 can be set to be darker. The desk surface can thus represent a control interface which controls a control of the lighting units 23-25 via movements of the hand. The movements can be, for example, wiping movements or other movements of the hand, e.g. include making a fist or spreading your fingers. The control surface 55 and / or the desk 52 can be arranged as desired in the office space and can be used to control the lighting units 23-25 without the need for rewiring or reinstallation of the lighting system 20. This can be used particularly advantageously in event buildings, the areas of which are often divided into small rooms in which the lighting should be individually adjustable by the people in them.
    FIG. 5 shows a further scenario which is detected by the lighting system 20 in order to control the lighting units 23-25. FIG. 5 shows a top view of a conference table 60 at which five people are in positions 61-65. The processing device 26 is located together with the detection device 21 above the conference table 60, for example on a ceiling of the room. The detection area 22 comprises at least the positions 61-65 as well as an area in front of a projection surface 66. As long as the five people are at the conference table 60 in the positions 61-65, the processing device 26 controls the lighting units 23-25, for example, so that work lighting is present, in which an even and bright illumination of the entire room takes place. If, for example, a person moves from the position 63 along the arrow 67 to the position 68 in front of the projection surface 66, the processing device 26 can recognize this movement of the person and set a presentation lighting with the aid of the lighting units 23-25, in which the lighting unit 23, for example is much brighter than the lighting units 24 and 25. If the person moves from position 68 back to position 63, this can also be recognized by the processing device 26 and the initial work lighting can be restored. If, for example, the conference table 60 is moved within the room, this can also be recognized by the processing device 26 and the lighting can be adjusted accordingly.
    In summary, the lighting system 20 described above can recognize faces, human body parts, objects and positions and movements thereof and adjust the lighting accordingly. The image information acquired by the acquisition device 21 can be provided to other services via the processing device 26, such as e.g. an alarm center or rescue center. Furthermore, the position of each person in the rooms which are equipped with such a lighting system can be detected and thus the position of each person in an entire building can be determined.
    权利要求:
    Claims (10)
    [1]
    1. A method for controlling a lighting device, comprising: - capturing image information of a certain detection area (22) with a detection device (21), - automatic detection of a predetermined object in the detection area by evaluating the image information with a processing device (26), and - automatic Controlling the lighting device (23-25) as a function of the detection of the predetermined object by the processing device (26).
    [2]
    2. The method according to claim 1, wherein the acquisition of the image information comprises acquisition of three-dimensional image information of the acquisition area (22).
    [3]
    3. The method of claim 1 or claim 2, wherein the predetermined object is an object from a predetermined group of objects.
    [4]
    4. The method according to any one of the preceding claims, wherein the specified object - a face of a specified person, - a human body, - a human body part (57), and / or - a piece of furniture (52, 55).
    [5]
    5. The method according to any one of the preceding claims, further comprising: determining a position of the predetermined object in the detection area (22) by evaluating the image information, and - controlling the lighting device (23-25) depending on the position of the previous
    given object.
    [6]
    6. The method according to any one of the preceding claims, wherein the detection area (22) comprises an area in the vicinity of the lighting device (23-25).
    [7]
    7. The method according to any one of the preceding claims, wherein the predetermined object comprises a combination of several predetermined objects in a predetermined arrangement.
    [8]
    8. The method according to any one of the preceding claims, wherein the predetermined object comprises a surface section with a further object (57) arranged thereon.
    [9]
    9. The method according to any one of the preceding claims, further comprising: - determining a movement of the predetermined object in relation to the detection area (22) by evaluating the image information, and - controlling the lighting device (23-25) depending on the movement of the predetermined object .
    [10]
    10. A lighting system, comprising: - a detection device (21) for detecting image information of a specific detection area (22), - a lighting device (23-25), and - a processing device (26) which is connected to the detection device (21) and the lighting device (23-25) is coupled and is designed to recognize a predetermined object in the detection area (22) by evaluating the image information from the detection device (21), and - the lighting device (23-25) depending on the detection of the predetermined To control the object.
    In addition 3 sheets of drawings
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    同族专利:
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    引用文献:
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    法律状态:
    2021-08-15| MM01| Lapse because of not paying annual fees|Effective date: 20201231 |
    优先权:
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    DE102015218844.2A|DE102015218844A1|2015-09-30|2015-09-30|Method for controlling a lighting device and lighting system|
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