• 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 detecting earthquakes using an array of lamps, in this case in particular with lampposts (43) arranged on a plurality of streets (42). Each lamp includes a control module having the function of both long and short distance communication, the control module being grouped with other control modules and associated with a group controller to create a short distance or mesh network . Each control module includes a sensor capable of detecting seismic activity and data relating to such activity which can be transmitted to a central server through its group controller using long distance communication. Even though the sensors are relatively inaccurate, the high number of such sensors present in the network makes it possible to detect and analyze activity using geographic coordinates provided by the control modules at the server level. Information relating to an epicenter of an earthquake can be determined and distributed to monitoring modules in the vicinity of the detected seismic activity (50) to provide warning light signals for the population in that vicinity.
    公开号:BE1023533B1
    申请号:E2015/5022
    申请日:2015-01-13
    公开日:2017-04-25
    发明作者:Helmut Schröder；Didier Wellens；Daniel Brand
    申请人:Schreder；
    IPC主号:
    专利说明:

    Method for detecting earthquakes and locating epicentres with a network of lamps
    The present invention relates to a method for detecting earthquakes and for locating epicenters with a network of lamps, in this case in particular streetlights. According to the state of the art, it is known to identify earthquakes by seismograph networks and locate their epicentres. It is also known how to install expensive warning systems to launch tsunami warnings in order to avoid to a large extent human losses. These two systems coexist and are expensive to install.
    The object of the present invention is to find here a solution with a system that guarantees a high operational safety and more economical to manage.
    This object is achieved by a method according to claim 1 as well as by objects according to claims 8 and 12. Advantageous embodiments of the invention are detailed in the related subclaims as well as in the following description.
    The method according to the invention makes it possible to identify low-cost earthquakes and to locate epicentres. Simultaneously, messages can be communicated to traffic users via the secure network against failures. According to the method according to the invention, a plurality of control modules is first provided, in which each of the control modules must respectively be assigned or assigned to a lamp, in which the respective control module comprises respectively a long distance communication module (for example GSM, GPRS, iridium or another mobile data network or an Ethernet connection), a short distance communication module (ZigBee, 6 LoWPAN or similar), preferably a communication module near field, a geolocation module to determine a position of the control module based on GPS, GLONASS, Galileo, BeiDou or other position determination systems, in particular satellite), a controller and moreover, a control output (for example based on DALI or 0 and / or 1 to 10 V). At least some of the control modules have at least one sensor for detecting accelerations and / or seismic waves. Control signals may be sent to a driver of a lamp illumination source, preferably a lamp post, via the control output. Furthermore, the network has at least one server that can be joined by the long distance communication module and on which a corresponding remote management software operates, in particular to communicate with and for the management of the lamp network. The long distance communication module can be based on different techniques. This may be for example mobile radio data networks, IP networks or p. ex. long distance peer-to-peer networks. For network mounting and / or management, the control modules are distributed in one or more groups of control modules, this distribution being based on the control module information, the environment and / or the control module. lamp and made available by the control modules.
    In addition to the geographic coordinates, the environment information also relates to the information on the neighboring control modules in the short-distance network (eg the quality of the connection and / or other RF characteristics and / or neighborhood tables). ) and / or environment-specific information {p. ex. ambient brightness). In the case of lamp information, it may be information about the lighting sources used, their driver and / or other details of the assigned lamp, eg. ex. the current light intensity or gradation. In the case of the information of the control module, it is in particular information relating to the clear identification of the control module as its IP address or another UID (Unique IDentifier). According to the invention, one of the control modules of each group and / or only the group in the case of a single group is selected on the server to serve as a group controller. The latter allows the other control modules of the corresponding group to communicate using their short distance communication modules. In other words, the internal communication of the group is done using the corresponding short distance communication module. In the group, the control modules of a group form a short distance network, preferably in the form of a mesh network, through the corresponding short distance communication modules. This leads in particular to a fast and secure communication against failures when the number of control modules per group is limited to in particular not more than 200, preferably not more than 50 control modules.
    In the normal network operating state, only the group controller transmits to the server its own information, as well as the environment, lighting, and / or control module information received by the other control modules. through the short distance communication module.
    Furthermore, according to the invention, information from the sensors is transmitted for the detection of accelerations and / or seismic waves of the control modules comprising sensors as well as information of the geolocation module of the corresponding control module. This information can be used to evaluate earthquake events or other tremors and can if necessary be communicated to the group controller via the short distance network.
    Based on the geographical coordinates and sensor information transmitted to the server, an analysis of the information transmitted by the sensors of the control modules is performed on the server to identify seismic waves and / or earthquakes.
    By normal operating mode is understood here a regular operation of the network in which control modules of the network are respectively assigned to a group and perform their actual task: the control of the lamp.
    The information is always transmitted as indicated above and hereinafter by transmitting the corresponding data on the basis of a given communication protocol.
    In use, such a network structure is more secure against failures than previous network systems. Due to the redundant structure of the corresponding control modules in a group, a new group controller can be determined without problem on the server in the event of a group controller failure due to an earthquake. Once the new group controller is known within a group, i.e. at the level of the short-distance network (PAN = Personal Area Network), the connection of the other control modules does not exist. have not been defined as a group controller is done precisely by this one. A system command on the server as well as a system monitoring on the server can therefore always be kept in this way. Since there is only one active control module (group controller) per group, the costs are significantly lower than when all the control modules communicate separately with the server via their long distance module. corresponding.
    The internal network structure of the group as a mesh network also improves the operational reliability and / or communication at the PAN level.
    Since "in which" is used above or hereinafter to explain process steps, this does not necessarily imply the existence of simultaneity of the related process steps. They can take place simultaneously (without this being an obligation).
    The data recorded by the acceleration sensors, preferably integrated directly into the control module, can be transmitted to the server by the group controller and its long distance communication module. Even in the case of relatively inaccurate sensors due to the large number of lamp control modules available in a network, earthquakes can be detected and analyzed on the server with good spatial and temporal resolution because of the geographic coordinates to be transmitted by the control modules as well as by the group controller. Thus, even in the case of weak and / or inaccurate signals, this results in a sufficient resolution of the P and / or S waves and thus a comparatively accurate representation of the seismic event. Information about the epicenter of the earthquake can also be drawn from this information as well as the spatial distribution of the control modules. This can be done either on the network server or on a special server assigned to the center of the earthquake.
    Therefore, a signal for controlling the lamps by a signal sent from the server to the group controllers and / or the control modules may also result in a subsequent tsunami and / or earthquake alert by the lamp control, for example by sending light signals previously brought to the attention of the population. This may be here for example light patterns with an intensity propagating in time and / or space, for example light signals propagating in the form of waves along the road.
    For secure operation against failures, it is also advantageous that depending on a recurrence of disruptive events and / or a given number of control modules replaced and / or reinstalled, a server-side order for limited re-registration in time neighboring information can be sent and / or communicated. The control modules can, if necessary, switch to another internal communication mode of the PAN and contact the neighboring control modules via the corresponding short-distance communication module and record the quality of the connection to these modules. At the end of a given period of time and / or after identification of a predefined number of next neighbors, this information may be transmitted, if appropriate, with information specific to the control module, the geographical data and / or the lamps on the short distance communication module corresponding to the group controller or to the server by the long distance communication module if the connection is activated. At the server level, the distribution of the groups and / or the group controller can be checked, carried out and / or modified if necessary. As a result, the earthquake failure of the control modules and / or lamps is compensated.
    According to another improvement of the method according to the invention, relevant information for the entire group can be exchanged between neighboring groups. In particular, in order to be able to quickly transmit sensor information and / or data based on sensor information whose relevance concerns the entire group, for example when a light signal is to be triggered, it is advantageous that the corresponding information is transmitted to a control module of a neighboring group bypassing the server directly via the long-distance network. This information can in particular go directly from the control module whose sensor has produced the information. The communication can be done accordingly through the long distance network provider, but does not necessarily have to go through the server. For the protocol, the server can be informed about the corresponding information. In particular, the information is passed here via the known group controllers in the long-distance network.
    Alternatively, data based on the sensor information relevant to the entire group is transmitted by bypassing the server directly over the short distance network on a control module of a neighboring group, preferably by data transmission. on another frequency band than the normal internal operation of the group. A multiplexing mode of the short distance module can also be advantageous here.
    For flexible operation, also in case of emergency, it is advantageous that the control modules can be selected independently of the group in the corresponding software on the server to exchange relevant data for the entire group. This selection can be supported by graphics so that the control modules which must exchange their sensor information are for example identified on an overall map. Groups no longer reachable by long distance communication can thus be joined by control modules through neighboring groups.
    For the establishment of the mesh network comparatively resistant to interference, it may be advantageous for the server to transmit data to the corresponding group controller for the different members of the group and for this controller to determine itself as a group controller relative to the other members of the group. . Alternatively or additionally, data on the communication route and / or the desired group controller can be made available to other members of the group so that communication can be done without problem with the server.
    Therefore, it can be for the information made available to the information server for the control modules for which they are informed of neighboring control modules of the same group. At the server, these data can be extracted for example taking into account the geographical coordinates of the various control modules.
    In order for the network to be established as quickly and as quickly as possible after a failure or failure of the different group controllers, the control modules can automatically scan the short-distance network after the first activation to search for other modules. command and thus internally create a neighborhood table containing the next neighbors in the short distance network. The list can be communicated later to a server. After the establishment of a mesh network and the assignment of the group controller, this neighborhood information can in particular be transmitted to the server with other information specific to the lamps and / or the control module.
    Instead of requesting fault-based group control modules and / or a number of new control modules, they may preferably observe information about their environment based on the short-distance network preferably a predetermined time and / or because of an initialization at the server. Here it may be relevant to limit in the short term the communication in the mesh network on the group controller towards the server and to allow only observation and communication with the next neighbor in the mesh network on the basis of the module. short distance and the corresponding protocol. This is used to create tables and / or neighborhood lists, in which information about the signal strength and / or the quality of the connection with the corresponding neighbors can be recorded simultaneously. This information can be recorded (in the buffer memory) and then transmitted either directly to the server in the case of activation of all long distance communication modules of the control modules, or via the group controller.
    For a targeted inspection or the control of the state of a series of control modules, these can be selected before the aforementioned request, preferably on the server side, in which a density of control modules is for example determined and controlled. using a predefined or predefined limit value. Information specific to the control module, the environment and / or the lamp can then be re-registered and initialised on the basis of exceeding the limit value.
    To enable the server to select the group controller, it may be advantageous for the corresponding control modules to record and store, during a scanning operation, data relating to their U1D in the short-distance network, their IP address in their network. the long-distance network, their UID in the short-distance radio network, lamp-specific information, data of a number of neighbors in the short-distance network, in particular up to 50 neighboring control modules, preferably up to 10, in the short distance network, including any UIDs and / or the quality of the connection belonging to the neighboring control modules and then transmit to the server at a predetermined time this information (data) via the controller groups. Because the control module is active, that is, when it has long-distance network enabled access, the server can also receive information directly from the control module.
    Commissioning of the network and / or distribution of groups and / or group controllers on the server is preferably automated. Alternatively or additionally, the distribution of groups and / or group controllers remains variable depending on the inputs of the user. This is for example advantageous when, because of a program running on the server, a group controller is not clearly selected.
    To maintain latency in the network at a desired level, a predefined number of control modules is assigned to each preference group at the server, in which 200 control modules may represent an upper limit. A test and simulation with up to 2000 lamps demonstrated that the latency of larger network groups was too great to ensure proper operation and regular monitoring of the network status.
    Preferably, the number is less than 150 control modules per group, in particular less than 50 control modules.
    For trouble-free recording of the short-distance network environment information and communication in the short-distance network for normal operation (communication with the server), it may be advantageous for the corresponding communication to take place in the network. short distance network on different frequency bands of the same network. The same antennas can preferably be used for this purpose (multiplexing mode).
    A lamp according to the invention, in particular a lamp serving as a lamp, has a control module described in the introduction comprising at least one sensor for detecting accelerations and / or seismic waves. Furthermore, the control module as described above has a long distance communication module, a short distance communication module, a geolocation module (GPS, Glonass, Beidou, etc.) and a controller. In addition, a control output (0 and / or 1-10 V, Dali) is available to control a lamp driver as well as any power supply devices. it is in particular for the sensor a symmetrical differential capacitive sensor particularly suitable for recording seismic waves.
    A network according to the invention designed to carry out the method described above or below also represents a solution of the purpose described in the introduction and a network comprising a plurality of lamps suitable for carrying out the method according to the invention and or that described above or below.
    The following description of the figures details other advantages and details of the invention. The figures represented schematically illustrate:
    Fig. 1 a network according to the invention,
    Fig. 2 a part of the object according to FIG. 2
    Fig. 3 a network operating according to a method according to the invention,
    Fig. 4 a part of the object according to FIG. 3
    Various technical features of the exemplary embodiments described hereinafter can also be combined in association with embodiments described above as well as with the features of the independent claims and any other claims relating to the objects according to the invention. Insofar as this is relevant, elements with the same functionality have identical reference numbers.
    In accordance with the method according to the invention, a large number of control modules 1 are respectively assigned to a group controller 2 according to FIG. 1. On a hardware level, the group controller 2 is constructed in the same manner as the control modules 2. However, only the corresponding group controller 2 is able to interact with a server 4 over a long distance connection 3. Typically this is an access to a local mobile data provider via which the server then remains available on the basis of IP-WAN. The communication between the server and the group controllers can for example be done via a conventional internet protocol (TCP / IP).
    Within a group 7, the control modules communicate with each other via short distance connections 6. This is preferably a communication based on a mesh network based on IEEE802.15.4, p. ex. ZigBee.
    The corresponding groups 7 of the control modules 1, 2 can not generally be seen on the entire group and can thus interfere with each other. However, it can be provided for group-wide communications that neighboring control modules can share and / or exchange or transmit sensor data or corresponding information to one another over the entire group by the through a short distance 8 connection. This can result in actions such as increasing light intensity. Alternatively, this communication can also be done by controllers 2 corresponding groups that can be seen on the Internet by their IP address. The information on which command module to communicate with which command module and / or the way this module must communicate is defined by the server and can be sent to the entire group, in particular by a unit. multiplexing each control module, for example in the case of short distance communication.
    A control module for a lamp according to the invention with which the method described hereinafter is to be converted may preferably be employed as a separate unit on a lamp head, for example a lamp post (see FIG. 4). The main parts of the control module that can be used externally are disclosed more precisely in FIG. 2. In the exploded view shown here, the control module comprises an upper housing portion 33 and a lower housing portion 34. The lower part of the housing must be fixed by a gasket 35 on a base to be placed on the upper face of the lamp. The connection to the base is provided by contacts 37 to turn like bayonets. The contacts 37 are fixed on the one hand in the housing 34 and on the other hand support a central platinum unit 38. A controller 39, a long remote short distance communication module and an acceleration sensor unit 41 are in particular placed thereon for detecting waves, in particular seismic waves.
    An RFID reader that can be placed in a body-side base of the lamp to record lamp-specific data of an RFID transponder in the near field is not shown. The illustration according to Figure 3 shows a road system with a plurality of streets 42 with a length of several hundred meters. These streets are marked by a large number of lampposts 43 with the corresponding control modules. The control modules are respectively provided with sensors for detecting seismic waves. It can be here on the one hand be simple acceleration sensors. Alternatively, more expensive seismometers can also be used by being integrated into the lamp post. The integration of a floor lamp according to Figure 4 in the ground and the fixed arrangement and the connection thereof to the ground through for example a layer of lean concrete 44, a tube 45 foundation and that a dense filling material 46 allows the acceleration sensors arranged in or on the lamp head 48 in the control module to record well by the mast 49 the seismic waves propagating in the ground or along its surface . Alternatively or additionally, a fine resolution seismometer 52 connected to the control module 2 by a data line (not shown) may also be placed in the foot 49 of the mast. A major advantage of the system is the evaluation of a large number of sensors distributed over the entire surface that can occur almost simultaneously and an analysis for the detection of the seismic waves shown in dashed lines in Figure 3. An information system to inform simultaneously by its light signals a large number of road users is simultaneously possible.
    权利要求:
    Claims (13)
    [1]
    A method for detecting earthquakes and locating epicenters using a network of lamps, in particular street lamps (43), wherein the network comprises a plurality of modules (1, 2) of control, each of the control modules (1, 2) being respectively assigned to a lamp and the control modules (1, 2) respectively comprising: - a long distance communication module - a short distance communication module - preferably a near field communication module - a geolocation module - a controller (39) - a control output for controlling a lamp driver, with at least one server connectable by the long distance communication module, wherein at least some of the control modules (1,2) are provided with at least one sensor (41) for detecting accelerations and / or seismic waves, in which the control modules (1,2) are distributed in one or seve groups of control modules (1,2) on the basis of the control module, environment and / or lamp information available to the control modules, one of the control modules (1, 2) each group being selected as a group controller (2) with which the other control modules (1) of this group can communicate using their short distance communication modules, the control modules (1, 2) in the groups form a short-distance network, preferably in the form of a mesh network, via the corresponding short-distance communication modules, and in the normal operating state of the network, only the controller (2, 23 ', 28') transmits to the server (4) its own information, as well as the information of the environment, lighting, and / or control module received by the other modules (1,23,28 ) via the short distance communication module.
    [2]
    2. Method according to claim 1, characterized in that an analysis of the information made available by the sensors (41) of the control modules (1, 2) is performed on the server (4) to identify seismic waves (50). ).
    [3]
    3. Method according to any one of the preceding claims, characterized in that the server (4) sends a signa! for controlling lamps at the group controller (s) (2) and / or the control modules (1,2).
    [4]
    4. Method according to claim 3, characterized in that on the basis of the server signal (4) a light pattern with an intensity propagating in time and / or space is generated.
    [5]
    5. Method according to any one of the preceding claims, characterized in that depending on a recurrence of disruptive events, on a request from the server for the new record limited in time neighboring information is communicated, in that the control modules (1, 2) of a group register the neighboring control modules via the short distance communication module and the quality of the connection with respect to these modules and that this information is transmitted to the group controller (2) via their short distance communication module or to the server (4) via their long distance communication module, the distribution of the groups and the group controller (2) being verified, realized and / or modified on the side server.
    [6]
    6. Method according to any one of the preceding claims, characterized in that a selection of control modules (1, 2) independently of the group for exchanging data relevant for the entire group can be performed at the server.
    [7]
    Method according to one of the preceding claims, characterized in that data based on the relevant sensor information for the entire group is transmitted bypassing the server (4) directly via the long distance network to a controller. (2) groups from a neighboring group or from there to a control module (1) of this group.
    [8]
    Method according to one of the preceding claims, characterized in that data based on the relevant sensor information for the entire group is transmitted bypassing the server (4) directly via the short distance network on a module. (1, 2) command of a neighboring group.
    [9]
    9. Method according to any one of the preceding claims, characterized in that the transmission of relevant data for the entire group is done on another frequency band that the normal operation internal to the group.
    [10]
    Lamp, in particular in the form of a lamppost, characterized by a control module with a sensor (41) for the detection of accelerations and / or seismic waves.
    [11]
    11. Lamp according to claim 10, characterized in that the sensor (41) is a symmetrical differential capacitive sensor.
    [12]
    12. Lamp array, characterized by an embodiment for performing a method according to any of the preceding claims.
    [13]
    13. A network of lamps, characterized by a plurality of lamps according to any one of claims 10 or 11.
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    同族专利:
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    WO2016075102A1|2016-05-19|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    EP14192581.8A|EP3018497B1|2014-11-10|2014-11-10|Method for detecting earthquakes and locating epicentres by means of a network of lights.|
    EP14192581.8|2014-12-09|
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