JP2010126892A - Warning device and warning network - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To notify the downstream side of an abnormal situation earlier than the propagation velocity of the abnormal situation in case of occurrence of the abnormal situation that has propagation property in a downstream direction within the same system. <P>SOLUTION: This warning device 1 notifies a downstream receiving device of the abnormal situation such as the abnormality of the water level that has the propagation property in the downstream direction, generated inside the system such as a sewer pipeline 10. It is preferable to provide a plurality of warning devices 1 in the same system such as the sewer pipeline 10. The warning device 1 transmits the detected abnormal situation to the other warning device 1 installed downstream in the sewer pipeline 10. When the system is the sewer pipeline 10, it is preferable to provide a generator 11 for generating electric power by a water current in the sewer pipeline 10 and to supply the generated electric power to a water gauge 11 and a communication device 13. It is further preferable that the abnormal situation is transmitted to a radio communication type mobile receiving means carried with a worker downstream and that the warning device 1 provided near an emergency exit of the sewer pipeline 10 makes the emergency exit known at the occurrence of the abnormal situation. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a system technology for transmitting information on pipelines such as a sewer water level.

  As an information processing network for sewage pump control and monitoring, for example, there is a remote information monitoring system for an unmanned pump station disclosed in Patent Document 1. In this system, the monitoring data of the unmanned pumping station of the water supply and sewerage system and the moving image data monitoring the state of the unmanned pumping station are collected by the information collection device of the central monitoring station via the Internet, and a failure signal and an alarm signal are transmitted urgently.

  Moreover, as a system which estimates the inflow amount of sewage, there exists a sewage inflow amount prediction apparatus disclosed by patent document 2, for example. This forecasting device first calculates a sewage inflow prediction model and a stormwater inflow prediction model using stormwater inflow data and sewage inflow data separated from sewage inflow data, which is sewage inflow to the pump well. Creating. Next, calendar data is input to the sewage inflow prediction model to generate sewage inflow prediction data, and weather data is input to the stormwater inflow prediction model to generate stormwater inflow prediction data. Then, the generated sewage inflow prediction data and the rainwater inflow prediction data are combined to calculate sewage inflow prediction data.

As an alarm system when the water level of a sewer pipe rises, for example, there is a weather information application service provider system disclosed in Patent Document 3. In this system, a disaster warning is notified to contract users by Internet communication. In other words, when a disaster such as thunder, heavy rain, or typhoon is predicted in the area where the user operates and manages the water purification and sewage treatment plant, the user designates the destination via the public communication network (Internet). A disaster warning is sent. As a result, the user can take appropriate measures such as disaster prevention means and personnel assignment instructions in advance, and prevent damage caused by the disaster.
JP 2004-362212 A Japanese Patent Laid-Open No. 2006-2401 JP 2003-67514 A

  Conventional monitoring networks and prediction systems are systems for centralized monitoring at a management center or the like, and the information obtained there is not transmitted to workers engaged in sewage works at the site. For this reason, it is impossible to notify the worker of a sudden change in the water level due to sudden rain or the like, and there is a risk of an accident such as the worker being swept away. In particular, in the alarm systems of Patent Documents 1 and 3, etc., since Internet communication is used as an alarm notification means, communication cannot be performed in a sewer pipe or the like (the radio wave does not reach), so that an alarm cannot be notified to a field worker.

  Therefore, a warning device and a warning network for solving the above-mentioned problems are faster than the propagation speed of an abnormal situation when an abnormal situation having a propagating property in the downstream direction occurs in the same system. Announcing.

  That is, the warning device according to claim 1 is a warning device for notifying the downstream receiving device of an abnormal situation that is propagated in the downstream direction generated in the system, and detecting means for detecting the abnormal situation; Communication means for transmitting the detected abnormal situation to the downstream receiving device.

  A warning device according to a second aspect is the warning device according to the first aspect, wherein the communication means transmits the abnormal situation by wireless communication.

  A warning device according to a third aspect is the warning device according to the first or second aspect, further comprising warning transmission means for transmitting the detected abnormal situation to a portable reception means of a wireless communication system.

  The warning device according to claim 4 is the warning device according to any one of claims 1 to 3, wherein the system is a sewer pipe, and includes power generation means for generating electric power by a water flow in the sewer pipe. The supplied power is supplied to the detection means, communication means, and warning transmission means.

  The warning network according to claim 5 is a warning network including a plurality of warning devices that notify an abnormal situation that is propagated downstream in the same system and that is propagated in the downstream direction, and the warning device detects the abnormal situation. And detecting means for transmitting the detected abnormal situation to another warning device arranged downstream in the system.

  A warning network according to a sixth aspect reports that the warning device provided in the vicinity of the emergency exit of the system is the emergency exit of the system in the warning network of the fifth aspect.

  According to the above invention, when an abnormal situation that is propagated in the downstream direction in the same system occurs, the situation is notified to the downstream side earlier than the propagation speed of the abnormal situation. Can do.

  FIG. 1 is a schematic configuration diagram of a warning device 1 according to a first embodiment of the invention.

  The warning device 1 notifies the downstream receiving device (for example, another warning device 1 in the sewer pipe 10) of an abnormal situation that is propagated in the downstream direction, for example, an abnormality in the water level, generated in the sewer pipe 10. The warning device 1 includes a water level gauge 11, a generator 12, a communication device 13, a communication path 14, and a warning indicator 15.

  The generator 12 generates power by the sewage flow in the sewage pipe 10 and supplies power to the water level meter 11, the communication device 13, and the warning indicator 15. The communication device 13 is communicably connected to the communication device 13 of another warning device 1 disposed on the upstream side and the downstream side in the sewer pipe line 10 via the communication path 14. The communication device 13 transmits a warning signal based on the warning water level (abnormal water level) detected by the water level gauge 11 to the warning indicator 15 and other warning devices 1 on the downstream side. The warning indicator 15 issues an alarm when it receives an alarm signal from the communication device 13 or the communication device 13 of another warning device 1. Examples of the alarm include lighting of a lamp and ringing of a siren. In addition, what is necessary is just to prepare a power supply separately, when a water flow is weak and the power supply by the generator 12 cannot be ensured.

  For the water level gauge 11, generator 12, communication device 13, communication path 14, and warning indicator 15, a known water level gauge, water current generator, communication device, communication line, and warning alarm device used in sewerage technology can be applied. That's fine. The water level gauge 11 and the communication device 13 are protected by the cover 11 to prevent damage.

  FIG. 2 is a schematic configuration diagram of a warning network 17 including the warning device 1 according to the first embodiment of the invention. In the warning network 17, warning devices 1 </ b> A to 1 </ b> G having the same configuration as the warning device 1 are arranged at regular intervals from the upstream side to the downstream side in the sewage pipe 17 of the confluence pipe dredging system as shown in the figure. In the sewage pipe 17, the warning devices 1 </ b> A, 1 </ b> B, 1 </ b> F, and 1 </ b> G are communicably connected via a communication path 14 from upstream to downstream. Similarly, the warning devices 1C, 1D, 1E, 1F, and 1G are communicably connected via the communication path 14 from upstream to downstream.

  An operation example of the warning network 17 will be described with reference to FIGS. 1 and 2. For example, when the measured value of the water level gauge 11 exceeds the value of the warning water level, the warning device 1A activates the warning indicator 15 and transmits a warning signal from the communication device 13 to the downstream warning device 1B. When the warning device 1B receives the warning signal, the warning device 1B further transmits a warning signal to the warning device 1F on the downstream side to activate the warning indicator 15. When the warning device 1F receives the warning signal from the warning device 1B, the warning device 1F further transmits a warning signal to the warning device 1G on the downstream side to activate the warning indicator 15. When the warning device 1C has a measured value of the water level gauge 11 exceeding the warning water level, the warning indicator 15 of the warning device 1C is activated and the warning signal is transmitted to the downstream warning device 1D via the communication path 14. Is done. The warning signal is sequentially transmitted to the warning device 1G via the warning devices 1D, 1E, and 1F downstream. The warning indicators 15 of the warning devices 1D, 1E, 1F, 1G are also activated sequentially.

  As described above, when the upstream water level suddenly exceeds the warning area in the sewage pipeline 1, a warning is promptly given to a worker in the vicinity of the warning device 1G on the downstream side earlier than the fluctuation of the water level. Can do. This allows workers to take evacuation action quickly.

  FIG. 3 is a schematic configuration diagram of the warning device 2 according to the second embodiment of the invention.

  The warning device 2 according to the second embodiment is used for a sensor network based on a short-range wireless communication standard for home appliances such as ZigBee (registered trademark) instead of the wired communication adopted in the first embodiment. The wireless communication device 21 transmits the alarm signal wirelessly. By arranging the device in a range where the line of sight in the sewer pipe 10 is effective, it can be installed without incurring wiring costs.

  When ZigBee or the like is adopted for wireless communication, information can be transmitted only in the downstream direction by constructing a warning network so that the warning device 2 in the most downstream direction of the sewage pipe 10 becomes a master unit. The warning network is automatically constructed by placing a base station on the downstream side.

  FIG. 4 is a schematic configuration diagram of the warning device 3 according to the third embodiment of the invention.

  When the warning indicator 15 is mounted with a siren or a lamp, the warning may not be recognized if an operator in the sewer pipe 10 is in a noisy environment or in a hidden place. Therefore, in this embodiment, the warning device 3 includes a wireless communication type warning transmitter 31 instead of the warning indicator 15, and a portable warning receiver 32 that receives a warning transmitted from the warning transmitter 31 to the worker. Is carrying. Therefore, according to the warning device 3 of the present embodiment, a warning can be issued quickly and reliably from the warning transmitter 31 to the worker wearing the portable warning receiver 32 by wireless communication. Examples of the portable warning receiver 32 include an earphone type receiver and a portable receiver having a vibrator function.

  In addition, as a fourth embodiment, a function is set in advance in which the warning device 1 installed in the vicinity of the outlet of the sewage pipeline 10 in the first and second embodiments reports that “near the outlet”. Good. As a specific example, when an alarm is received, there is a mode in which the warning indicator 15 of the warning device 1 near the exit is turned on or ringed to indicate “near the exit”. When the lamp method is employed, the warning indicator 15 turns on a lamp indicating a color that has been determined to be “exit”, an indication of “exit”, or the like. When the ringing method is adopted, the warning indicator 15 emits a sound determined to be “exit”.

  As described above, in the warning network according to the first to fourth embodiments, a plurality of warning devices that can communicate with each other are arranged in a system such as a sewer pipe in the downstream direction such as an abnormal change in the water level of the system. An abnormal situation to be propagated is transmitted to the receiving device on the downstream side faster than the propagation speed. Therefore, an emergency such as a sudden change in the water level can be notified to a downstream worker, and the worker can take evacuation action.

  In particular, the warning device 1 applied to the sewage pipe 10 and the warning system 17 having the same use electric power obtained by the water flow of the sewage system, so that a power source for supplying power to the device and the system is unnecessary. It becomes.

  Moreover, the cost of laying a communication cable can be reduced by setting the communication method to radio communication using radio waves or infrared rays as in the second embodiment. By using a wireless sensor network such as ZigBee, network construction can be easily realized. In particular, when wireless communication means conforming to the short-range wireless communication standard for home appliances such as ZigBee is applied, communication equipment is reduced in size, and crisis management in the pipeline is realized with low cost and low power consumption.

  Further, by directly transmitting a warning to the worker by a wireless function as in the third embodiment, the worker can be surely received the warning even in a noisy environment or in a hidden place.

  Then, by installing a device capable of notifying the fact in the vicinity of the exit as in the fourth embodiment, an operator can be guided to a place to be evacuated when an abnormal situation occurs, although not always shown.

  The warning device and warning network described above can be applied to other pipes, underground malls, tunnels and the like without being limited to sewer pipes.

1 is a schematic configuration diagram of a warning device according to a first embodiment of the invention. The schematic block diagram of the warning network provided with the warning device which concerns on 1st embodiment of invention. The schematic block diagram of the warning device which concerns on 2nd embodiment of invention. The schematic block diagram of the warning device which concerns on 3rd embodiment of invention.

Explanation of symbols

1, 1A to 1G ... Warning device 10 ... Sewer pipe 11 ... Water level gauge (detection means)
12 ... Generator (power generation means)
13 ... Communicator (communication means)
14 ... Communication path 15 ... Warning indicator 17 ... Warning network 21 ... Wireless communication device (communication means)
31 ... Warning transmitter (Warning transmission means)
32. Portable warning receiver (portable receiving means)

Claims (6)

A warning device for notifying a downstream receiving device of an abnormal situation that is propagated in the downstream direction in the system,
Detecting means for detecting the abnormal situation;
A warning device comprising: communication means for transmitting the detected abnormal situation to the downstream receiving device.   The warning device according to claim 1, wherein the communication unit transmits the abnormal situation by wireless communication.   The warning device according to claim 1, further comprising a warning transmission unit that transmits the detected abnormal situation to a portable reception unit of a wireless communication system. The system is a sewer line,
It has power generation means that generates electricity by the water flow in this sewer line,
The warning device according to any one of claims 1 to 3, wherein the generated electric power is supplied to the detection unit, the communication unit, and the warning transmission unit. A warning network comprising a plurality of warning devices for notifying downstream abnormal situations that occur within the same system,
The warning device is
Detecting means for detecting the abnormal situation;
A warning network comprising: communication means for transmitting the detected abnormal situation to another warning device arranged downstream in the system.   6. The warning network according to claim 5, wherein a warning device provided in the vicinity of the emergency exit of the system reports that it is an emergency exit of the system.

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