JP4897549B2 - Monitoring system - Google Patents

Description

  The present invention relates to a monitoring system for remotely monitoring the occurrence of strong winds in order to prevent disasters caused by strong winds.

In order to prevent train derailment accidents due to strong winds generated by typhoons and large low pressures, etc. and to ensure safe operation of the train, multiple wind direction wind speed sensors are installed at major locations along the railway, and the wind direction and wind velocity at the major locations at the monitoring center There is a monitoring system for monitoring.
Conventional monitoring systems intensively monitor wind direction and wind speed data from wind direction and wind speed sensors installed at a plurality of monitoring locations with a monitoring terminal of a monitoring center connected to the network, and the wind direction and wind speed data are set to a predetermined reference value. When it exceeds, an instruction to stop operation is given to a train that operates in the vicinity of the monitoring location where the wind direction and wind speed sensor is installed (see, for example, Patent Document 1).
Japanese Patent Laying-Open No. 2006-322804 (paragraphs “0005” to “0018”, FIGS. 9, 10, 11, and 12)

However, in the above-described conventional technology, in order to detect the occurrence of strong wind, the wind direction and wind speed sensor composed of the power supply device, wind direction anemometer, data converter, data transmission device, etc. is always operated in a plurality of monitoring locations. There is a problem in that it needs to be installed and requires a lot of costs such as the cost of the wind direction and wind speed sensor and the cost of power consumed by the wind direction and wind speed sensor.
Further, since the wind direction and wind speed sensor is a large-sized device including a power supply device, an anemometer, a data converter, a data transmission device, and the like, there is a problem that it is difficult to install a plurality of wind sensors at a monitoring location.

  An object of the present invention is to solve such a problem.

  Therefore, the present invention provides an energy conversion unit that converts received radio waves into electric power in a monitoring system in which a monitoring terminal that has received a notification from a strong wind detection device installed at a monitoring location displays an alarm based on the notification, and An ID transmission unit that includes an ID transmission unit that transmits the ID information stored in the storage unit using the electric power generated in the energy conversion unit, and that peels off from the fixed unit and scatters when receiving a strong wind exceeding a predetermined wind speed; A power supply unit that stores power generated by receiving wind, a radio communication unit that transmits radio waves using the power and receives ID information transmitted from the ID transmitter, and an ID received by the radio communication unit A strong wind detection device having a storage unit for storing information, and when a strong wind exceeding a predetermined wind speed occurs, the strong wind detection device receives from the ID transmission device The information indicating the strength of the wind that led from D information transmitted to the monitoring terminal, characterized in that the monitoring device is to display an alarm based on the information received.

According to the present invention thus configured, it is possible to reduce the cost of the apparatus constituting the monitoring system and the cost of the power charge consumed by the monitoring system.
In addition, it is possible to detect strong winds generated everywhere in the monitored location, and the effect of being able to detect gusts that occur locally can also be obtained.

  Embodiments of a monitoring system according to the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of the monitoring system in the first embodiment.
In FIG. 1, reference numeral 1 is a strong wind detection device, and 2 is an ID transmission device, which is installed at a monitoring location for monitoring the occurrence of strong wind.
The ID transmission device 2 is configured by an RFID (Radio Frequency IDentification) tag such as an inexpensive IC tag that can transmit ID information, which is an identification code for identifying itself, by wireless communication. The ID transmitting device 2 is built in the wind receiving portion, and the wind receiving portion is separated from the fixed portion by receiving strong wind exceeding a predetermined wind speed.

The RFID tag provided in the ID transmission device 2 is assumed to be of a very small size capable of wireless communication within a range of several meters using, for example, a communication frequency in the UHF band. Therefore, the wind receiving part which received the strong wind exceeding the predetermined wind speed peels from the fixing part together with the ID transmission device 2 and scatters.
The strong wind detection device 1 can receive ID information transmitted by wireless communication from the ID transmission device 2 installed within a predetermined range. The strong wind detection device 1 includes a power generator that generates power from the rotational motion of a windmill that receives wind, a storage battery that stores the power generated by the power generator, and the like, and is configured to be operable with the power.

In the present embodiment, it is assumed that one strong wind detection device 1 is installed at each monitoring location and a plurality of ID transmission devices 2 are installed at each monitoring location.
Reference numeral 4 denotes a monitoring terminal, which is installed in a centralized monitoring center or the like that centrally monitors the strong wind detecting device 1 installed in each monitoring location. The monitoring terminal 4 includes an arithmetic and control unit such as a CPU (Central Processing Unit), a storage unit (storage unit) such as a magnetic disk and a semiconductor memory, a scanner, a keyboard, and a mouse that optically reads a form and acquires image data. Input means, display means such as a liquid crystal display, communication means, and the like.

The monitoring terminal 4 is connected to other devices such as the strong wind detecting device 1 via the communication line 3 and a server (not shown) so as to be able to communicate with each other. Based on the notification (information) received from the strong wind detecting device 1 An alarm or the like is displayed on the display means.
It is assumed that the storage means stores in advance ID information of all ID transmission apparatuses 2 existing at each monitoring location.

As described above, the monitoring system includes the strong wind detection device 1, the ID transmission device 2, the monitoring terminal 4, and the like.
Next, the configuration of the strong wind detection device 1 will be described based on a block diagram showing the configuration of the strong wind detection device in the first embodiment of FIG.
In FIG. 2, reference numeral 11 denotes a power source unit, which is a wind turbine 111 that converts received wind into rotational motion, a generator 112 that generates power from the rotational motion of the wind turbine 111, and stores the power generated by the power generator 112 (not shown). It is composed of a storage battery. The strong wind detection device 1 operates by receiving power from a storage battery that stores the power generated by the power generator 112.

Reference numeral 12 denotes a wireless communication unit that uses the power stored in the power supply unit 11 to transmit a radio wave for supplying power to the ID transmission device 2 via the antenna 121 and receives the radio wave. The ID information transmitted by is received.
A storage unit 13 is a storage unit such as a magnetic disk or a semiconductor memory. The storage unit 13 stores in advance ID information of all ID transmission devices 2 existing at a monitoring location where the strong wind detection device 1 is installed, and also stores a control program (software) for controlling the operation of the strong wind detection device 1 as a whole. Remember.

Further, the storage unit 13 stores the ID information received from the ID transmission device 2.
A communication unit 14 controls communication with the monitoring terminal 4 and the like via the communication line 3.
Reference numeral 15 denotes a control unit, which is composed of arithmetic and control means such as a CPU. The control unit 15 controls the overall operation of the strong wind detection device 1 including the power supply unit 11, the wireless communication unit 12, the storage unit 13, and the communication unit 14 based on a control program (software) stored in the storage unit 13. .

Next, the configuration of the ID transmission device 2 will be described based on the block diagram showing the configuration of the ID transmission device in the first embodiment of FIG.
In FIG. 3, reference numeral 21 denotes an energy conversion unit. When a radio wave transmitted from the wireless communication unit 12 of the strong wind detecting device 1 is received, for example, electromagnetic induction is used to convert the radio wave into electrical energy and transmit ID. Power is supplied to the entire apparatus 2. As a result, the ID transmission device 2 becomes operable.

Reference numeral 22 denotes an ID transmission unit that transmits the unique ID information stored in the storage unit using the power supplied by the energy conversion unit 21.
Reference numeral 23 denotes a storage unit that stores in advance unique ID information transmitted by the ID transmission unit 22 and stores a control program (software) for controlling the operation of the entire ID transmission device 2.
Reference numeral 24 denotes a control unit, which is composed of arithmetic and control means such as a CPU. The control unit 24 controls the operation of the entire ID transmission device 2 including the energy conversion unit 21, the ID transmission unit 22, and the storage unit 23 based on a control program (software) stored in the storage unit 23.

The strong wind detection device 1 and the ID transmission device 2 configured as described above are installed as shown in FIG. 4, for example. FIG. 4 is an explanatory view showing an installation example of the strong wind detection device and the ID transmission device in the first embodiment, in which the monitoring point for monitoring the occurrence of strong wind is in the vicinity of the iron bridge through which the train passes.
In FIG. 4, reference numeral 41 denotes an iron bridge through which a train passes, and one strong wind detection device 1 and a plurality of ID transmission devices 2 are installed in the vicinity thereof. The plurality of ID transmission devices 2 are installed in a communication range 42 capable of wireless communication with the strong wind detection device 1, and the ID transmission device 2 that has received the radio wave transmitted from the wireless communication unit 12 of the strong wind detection device 1 stores the ID transmission device 2. It is assumed that the ID information stored in the unit 23 is transmitted and the wireless communication unit 12 of the strong wind detecting device 1 can receive the ID information. Further, the strong wind detection device 1 is connected to the monitoring terminal 4 through the communication line 3 so as to be communicable.

When a strong wind is generated in the vicinity of the iron bridge 41, the wind receiving portion that has received the strong wind is separated from the fixed portion 26 and scattered. When the ID transmitting device 2 built in the wind receiving portion is blown out of the communication range 42, the strong wind detecting device 1 cannot perform wireless communication with the ID transmitting device 2.
Since the ID transmission device 2 is configured with an RFID tag or the like, the ID transmission device 2 can be reduced in size and installed without being limited to installation locations such as the upper and lower portions of the iron bridge 41, the side portions, and the vicinity of the entrance of the iron bridge 41. can do.

The operation of the above configuration will be described.
FIG. 5 is a flow chart showing the strong wind detection process in the first embodiment, which will be described according to the step represented by S in the figure.
In each embodiment, the operation of each unit described below is controlled by a control unit such as a central processing unit (not shown) based on a program (software) stored in a storage unit such as a memory or a magnetic disk (not shown).

  S1a, S2a: When the wind turbine 111 of the strong wind detection device 1 receives wind and the power generated by the power generator 112 by the rotational motion exceeds a predetermined value P1, power is supplied from the power supply unit 11 to the entire strong wind detection device 1, The control unit 15, the wireless communication unit 12, the storage unit 13, and the communication unit 14 including the power supply unit 11 become operable. That is, if the wind exceeds a predetermined value P1, it is assumed that a strong wind that may cause a disaster has occurred, and the entire strong wind detection device 1 is supplied with power.

S3a: When power is supplied to the entire strong wind detecting device 1, the wireless communication unit 12 transmits radio waves according to an instruction from the control unit 15.
S4a, S5a: The energy conversion unit 21 of each ID transmission device 2 installed at the monitoring location receives the radio wave, converts the received radio wave into electrical energy, and supplies power to the entire device.

S6a: The ID transmission unit 22 transmits the ID information stored in advance in the storage unit 23 in accordance with an instruction from the control unit 24 of the ID transmission device 2 that is operable by converting the received radio wave into electric energy.
Here, the ID transmission device 2 that has been peeled off from the fixed part by the strong wind and deviated from the communication range cannot receive the radio wave transmitted from the strong wind detection device 1 and cannot transmit the ID information.

S <b> 7 a, S <b> 8 a: When the wireless communication unit 12 receives ID information from each ID transmission device 2 according to an instruction from the control unit 15 of the strong wind detection device 1, the control unit 15 sequentially stores the received ID information in the storage unit 13.
The wireless communication unit 12 of the strong wind detection device 1 can receive ID information from each ID transmission device 2 existing within the communication range 42 in FIG. 4, and can store the ID information in the storage unit 13. On the other hand, since the ID information cannot be received from the ID transmission device 2 that has fallen out of the communication range 42, the ID information is not stored in the storage unit 13.

S9a: The control unit 15 of the strong wind detection device 1 stores the ID information received from each ID transmission device 2 in the storage unit 13 until a predetermined time elapses.
It is assumed that this predetermined time has sufficient time to receive ID information from all ID transmission devices 2 existing in the communication range.
S10a: When a predetermined time elapses, the control unit 15 of the strong wind detection device 1 totals the number of communicable IDs, which is the number of ID information stored in the storage unit 13.

S11a: The communication unit 14 transmits the total number of communicable IDs to the monitoring terminal 4 of the centralized monitoring center according to an instruction from the control unit 15 of the strong wind detecting device 1.
S12a: The monitoring terminal 4 compares the number of communicable IDs received with the number of ID transmission devices 2 installed in the monitoring locations stored in advance in the storage unit, and determines whether or not there is a variation in the number. .
S13a: If it is determined that the number of communicable IDs varies, the monitoring terminal 4 determines the risk level due to strong winds (for example, the risk level is high if the number is large and the risk level is low if the number is small). Then, an alarm corresponding to the degree of risk, for example, a train stop command or a slow command is displayed on the display unit.

On the other hand, if it is determined that there is no change in the number of communicable IDs, the monitoring terminal 4 ends the process without displaying an alarm or the like.
As described above, in the first embodiment, the ID transmission device installed in the monitoring place for monitoring the occurrence of strong wind is configured with an inexpensive RFID tag or the like, and the strong wind detection device receives from the ID transmission device. By determining the degree of risk due to strong winds according to the number of ID information, the effect of reducing the cost of the devices constituting the monitoring system can be obtained.

In addition, since the strong wind detection device and the ID transmission device are operated with the electric power generated by using the wind power, it is possible to obtain an effect that the cost such as the electric power charge consumed by the monitoring system can be kept low.
Furthermore, since the ID transmission device is composed of an RFID tag or the like, it can be reduced in size and can be installed anywhere in the monitoring location without being limited to the installation location. The effect of being able to detect a gust of wind is also obtained.

Since the configuration of the second embodiment is the same as that of the first embodiment described above, the same reference numerals are given and description thereof is omitted.
The operation of the above configuration will be described.
FIG. 6 is a flowchart showing the strong wind detection process in the second embodiment, which will be described in accordance with the steps represented by S in the figure.

S1b to S10b: Since they are the same as S1a to S10a in FIG.
S11b: The control unit 15 of the strong wind detection device 1 compares the total number of communicable IDs with the number of ID transmission devices 2 installed at the monitoring locations stored in the storage unit 13 in advance, and the number varies. It is determined whether or not.
S12b: When it is determined that the number of communicable IDs varies, the control unit 15 determines the risk level due to strong winds (for example, the risk level is high when the change number is large and the risk level is low when the change number is small). In response to an instruction from the control unit 15, the communication unit 14 transmits a notification requesting to display an alarm corresponding to the degree of risk to the monitoring terminal 4 of the centralized monitoring center.

S13b: The monitoring terminal 4 displays an alarm, for example, a train stop command or a slow command on the display unit according to the received notification.
If it is determined in S11 that there is no change in the number of communicable IDs, the control unit 15 terminates the process without instructing transmission of a notification requesting to display an alarm.
As described above, the second embodiment can provide the same effects as those of the first embodiment.

  In the first embodiment and the second embodiment described above, an example in which strong wind is detected has been described. However, flood damage such as flooding may be detected with the same configuration.

The block diagram which shows the structure of the monitoring system in a 1st Example. The block diagram which shows the structure of the strong wind detection apparatus in 1st Example. The block diagram which shows the structure of the ID transmitter in a 1st Example. Explanatory drawing which shows the installation example of the strong wind detection apparatus and ID transmission apparatus in 1st Example Flowchart showing strong wind detection processing in the first embodiment Flowchart showing strong wind detection processing in the second embodiment

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Strong wind detection apparatus 2 ID transmission apparatus 3 Communication line 4 Monitoring terminal 11 Power supply part 111 Power generation part 12 Wireless communication part 121 Antenna 13 Storage part 14 Communication part 15 Control part 21 Energy conversion part 22 ID transmission part 23 Storage part 24 Control part

Claims (3)

In the monitoring system in which the monitoring terminal that has received the notification from the strong wind detection device installed at the monitoring location displays an alarm based on the notification,
An energy conversion unit that converts received radio waves into electric power and an ID transmission unit that transmits ID information stored in the storage unit using electric power generated by the energy conversion unit, and receives a strong wind exceeding a predetermined wind speed An ID transmitter that peels off and scatters from the fixed part;
A power supply unit that stores power generated by receiving wind, a radio communication unit that transmits radio waves using the power and receives ID information transmitted from the ID transmission device, and ID information received by the radio communication unit And a strong wind detection device having a storage unit for storing
When a strong wind exceeding a predetermined wind speed occurs, the strong wind detection device transmits information indicating the strength of the wind derived from the ID information received from the ID transmission device to the monitoring terminal, and the monitoring terminal receives the information. A monitoring system characterized in that an alarm is displayed based on the information. The monitoring system of claim 1.
The monitoring system, wherein the information indicating the strength of the wind is the number of ID information received from the ID transmitting device by the strong wind detecting device. The monitoring system of claim 1.
The monitoring system characterized in that the information indicating the strength of the wind is information indicating the degree of danger due to the strong wind determined by the strong wind detecting device based on the number of ID information received from the ID transmitting device.