JP2003185760A - Detector for detecting abnormal phenomenon on ground surface - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To facilitate installation in an area having a tendency that an abnormal phenomenon is easily generated therein. <P>SOLUTION: This detector has an on-ground fixing mechanism 26 for fixing a main body dropped from the air, an impact sensor 21 for detecting impact in landing, a fixing tool releasing mechanism 22 for releasing a fixing wire 24 and a wire 25 stored in the main body to a distant position when the impact sensor 21 detects the landing, a switch 23 for detecting a distance change between the fixing tool 24 and the main body via the wire 25, and a transmission part 6 for radio-transmitting an abnormal information data including a characteristic identification number of the abnormality detector 20 generated by a detector control part 5 in response to an output signal from the switch 23, to an abnormal phenomenon monitoring device 3 in a remote site. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is to detect a ground surface abnormal phenomenon which is installed in a dangerous area where an abnormal phenomenon such as a rockfall or a debris flow caused by a heavy rain, an earthquake or the like is likely to occur, and transmits the detected abnormal phenomenon by radio in real time. It relates to the convenience of installation of devices, especially in hazardous areas.

[0002]

2. Description of the Related Art FIG. 10 is a conceptual diagram showing a state of installation of a conventional ground surface abnormality phenomenon detecting device (hereinafter, simply referred to as "abnormality detecting device"). FIG. 10 shows a plurality of abnormality detection devices 2 installed in a mountain 1 which is a dangerous area where abnormal phenomena such as rockfalls caused by heavy rain, earthquakes, debris flows, etc. are likely to occur, and wireless abnormality from each abnormality detection device 2. An abnormal phenomenon monitoring device 3 for receiving information and providing abnormal information to a monitoring person is shown.

FIG. 11 is a schematic block diagram of a conventional abnormality detecting device 2 and abnormal phenomenon monitoring device 3. Anomaly detection device 2
Is an abnormality detection sensor 4 that detects an abnormal phenomenon and converts it into an electrical signal, a detection device controller 5 that outputs abnormality information data including the unique identification number of the abnormality detection device 2 from the electrical signal from the abnormality detection sensor 4, A transmitter 6, which outputs a radio signal obtained by modulating abnormality information data from the device controller 5 into a signal that can be transmitted as a radio wave, a detection device controller 5, and a transmitter 6.
A battery 7 for supplying electric power to the detector 7, a timer 8 for supplying the electric power of the battery 7 to the detection device controller 5 and the transmitter 6 at a certain time interval, a detector antenna 9 for radiating a radio signal from the transmitter 6 into space and a radio It has a monitoring antenna 10 for receiving signals. On the other hand, the abnormal phenomenon monitoring device 3 is the monitoring device antenna 1
Receiver 1 for demodulating a wireless signal from 0 into a digital signal
1. Monitoring device control unit 12 which outputs the abnormality information data when it discriminates the digital signal from receiving unit 11 and recognizes it as abnormality information data; The abnormality information data from the detection device position data input unit 13 and the monitoring device control unit 12 is received, and received from the combination of the unique identification number and position data of each abnormality detection device 2 stored in the abnormality detection device position data input unit 13. It has an output unit 14 for searching the position data of the abnormality detecting device 2 of the abnormal information data, and displaying and outputting the position data, the number, etc. of the abnormality detecting device 2 to an observer.

FIG. 12 is a view showing a schematic structure of a wire sensor which is an example of the conventional abnormality detecting sensor 4.
In FIG. 12, a wire 15 for converting an abnormal phenomenon on the ground surface into a tensile force or a displacement, a first fixing tool 16 for fixing one end of the wire 15 to the ground, and a second fixing for fixing the other end of the wire 15 to the ground. A switch 18 and a switch 18 for changing the ON / OFF state when the pulling force above a certain threshold acts on the tool 17, the wire 15 or the displacement above a certain threshold occurs.
A contact 19 to the ON / OFF state detection device controller 5 is shown.

Next, the installation and operation of the conventional abnormality detecting device 2 will be described. First, the abnormality detection device 2 is manually carried to the mountain 1, which is a dangerous area. Then, the abnormality detection device 2 is installed at a place where an abnormal phenomenon such as a landslide or a debris flow is likely to occur. Each of the fixtures 16 and 17 has a wedge-shaped tip portion so as to be easily fixed to the ground, and is fixed to the ground so that the wire 15 is stretched.

When an abnormal phenomenon occurs in the installed mountain 1, the surface of the mountain collapses and the distance between the first fixture 16 and the second fixture 17 fixed to the ground changes, and the switch switches accordingly. 18 states change. The detection device control unit 5 detects the state of the switch 18 of the abnormality detection sensor 4 via the contact 19, and outputs the abnormality information data including the unique identification number of the abnormality detection device 2 to the transmission unit 6. Transmission unit 6
When the power is supplied through the timer 8, the device modulates and outputs the abnormality information data from the detection device controller 5 into a wireless signal that can be transmitted as a wireless radio wave. The radio signal is emitted into space via the detector antenna 9. The abnormality phenomenon monitoring device 3 receives the radio signal emitted by the abnormality detecting device 2 at the receiving unit 11 via the monitoring device antenna 10. The monitoring device control unit 12 demodulates the received wireless signal into a digital signal. Then, it is determined whether or not the received signal is abnormal information data. When the abnormality information data is recognized, the abnormality information data is output to the output unit 14. The output unit 14 uses the unique identification number of the abnormality detection device 2 included in the received abnormality information data, and from the set of the unique identification number and position data of each abnormality detection device stored in the abnormality detection device position data input unit 13. The position of the abnormality detection device 2 in the received abnormality information data is searched and specified, and the position data, number, etc. of the abnormality detection device 2 are displayed and output to the observer.

Conventionally, the occurrence of the abnormal phenomenon is detected and the occurrence position is specified as described above.

[0008]

However, in the prior art, since the abnormality detecting device has a structure of manually laying it in the dangerous area, the load required for the installation work is extremely large.

The present invention has been made to solve the above problems, and an object thereof is to provide a surface abnormality phenomenon detection apparatus which can be easily installed in an area where an abnormal phenomenon is likely to occur. is there.

[0010]

In order to achieve the above-mentioned object, the apparatus for detecting abnormal surface phenomena according to the present invention is a surface abnormal phenomenon detecting apparatus for detecting an abnormal phenomenon occurring on the surface of a ground, and is caused to fall by its own weight. A ground fixing mechanism for fixing the grounded main body to the ground by inertial force, a fixing device fixed to the ground at a position distant from the grounded main body, and a change in the distance between the ground fixing mechanism and the fixing device. A device having a distance change detecting means for detecting and an abnormal phenomenon communication means for wirelessly transmitting abnormality detection information indicating that the distance change detecting means has detected the change in distance to an abnormal phenomenon monitoring device installed at a remote place. Is.

Further, a fixing device discharging mechanism for fixing the fixing device built in the main body to the ground by discharging the fixing device, and an installation timing setting for setting an installation timing at which the fixing device discharging mechanism discharges the fixing device. And means.

Further, the distance change detecting means has a switch means provided in the main body, and a wire having one end connected to the fixture and the other end connected to the switch means. The change in the distance is detected by switching the switching of the switch means by the displacement of the tension.

Further, the fixing device discharging mechanism includes an elastic member for discharging the fixing device from the main body by an elastic force, a restraining mechanism for suppressing the elastic member in a contracted state, and the fixing device and the contracted state. And a storage section in which the elastic member is stored, and by releasing the elastic member in a contracted state at the installation timing set by the installation timing setting means, the fixing device is released by the elastic force of the elastic member. It is a thing.

Further, there is provided an antenna projecting mechanism for projecting an antenna contained in the main body from the main body, and installation timing setting means for setting an installation timing at which the antenna projecting mechanism projects the antenna.

The antenna projection mechanism includes an elastic member for projecting the antenna from the main body by an elastic force.
A restraining mechanism that restrains the elastic member in a contracted state, and a storage unit that stores the antenna and the elastic member in a contracted state, and is in a contracted state at the installation timing set by the installation timing setting unit. When the elastic member is opened, the elastic force of the elastic member causes the antenna to project.

Further, the installation timing setting means has an impact sensor for detecting an impact at the time of landing, and the installation timing is set when the impact sensor detects the impact.

Further, the installation timing setting means has a time measuring means for setting the installation timing after a preset time elapses before falling.

The installation timing setting means includes an impact sensor for detecting an impact at the time of landing, and a timing means for setting the installation timing after a preset time has elapsed before the impact sensor detects the impact and before falling. And have.

Further, the apparatus has position measuring means for detecting the main body position, and the abnormal phenomenon communication means wirelessly transmits the main body position to the abnormal phenomenon monitoring device by including it in the abnormality detection information.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention will be described below with reference to the drawings. The same components as those in the conventional example are designated by the same reference numerals.

Embodiment 1. 1 is a schematic configuration diagram showing a first embodiment of an abnormal surface phenomenon detecting device and an abnormal phenomenon monitoring device according to the present invention. The abnormality detection device 20 according to the present embodiment includes an impact sensor 21 and a fixture release mechanism 2.
2, a switch 23, a detection device control unit 5, a transmission unit 6, a battery 7 and a detection device antenna 9, and a fixture 24 fixed to the ground at a position away from the landed body,
It has a wire 25, one end of which is connected to a fixture 24 and the other end of which is connected to a switch 23 built in the main body, and a ground fixing mechanism 26 for fixing the main body landed by the drop inertia force due to its own weight to the ground. There is.

The impact sensor 21 is a sensor that detects the impact of the abnormality detection device 20 when landing. The fixture discharging mechanism 22 fixes the fixture 24 built into the main body by discharging the fixture 24 to the ground. Fixture release mechanism 22
Is the fixture 2 when the impact sensor 21 provided as the installation timing setting means detects the impact at the time of landing.
Release 4 The wire 25 converts an abnormal phenomenon on the ground surface into a pulling force or a displacement, and the switch 23 converts an on / off state when a pulling force above a certain threshold acts on the wire 25 or a displacement above a certain threshold occurs. This is a switch means, and in the present embodiment, a change in the distance between the ground fixing mechanism 26 and the fixing device 24 is detected by the switch 23 and the wire 25 provided as the distance change detecting means. The detection device control unit 5 outputs abnormality information data including the unique identification number of the abnormality detection device 20 from the electric signal from the switch 23. The transmission unit 6 outputs a radio signal obtained by modulating the abnormality information data from the detection device control unit 5 into a signal that can be transmitted as a radio wave. The detector antenna 9 radiates the radio signal from the transmitter 6 into space. The battery 7 supplies electric power to each component. The ground fixing mechanism 26 has a wedge-shaped structure or the like that pierces the ground due to the inertia of falling when landing. The fixing device 24 also has a wedge-shaped structure or the like that easily sticks to the ground due to the output from the main body.

On the other hand, the abnormal phenomenon monitoring device 3 discriminates between the receiving unit 11 for demodulating the radio signal from the monitoring device antenna 10 into a digital signal, and the digital signal from the receiving unit 11, and when the abnormal information data is recognized, the abnormal information data is detected. The monitoring device control unit 12 that outputs the error information, the abnormality detection device position data input unit 13 that can input the position data of each abnormality detection device 2 and can store the input data, and the abnormality information data from the monitoring device control unit 12 The abnormality detection device 2 of the abnormality information data received from the combination of the unique identification number of each abnormality detection device 2 and the position data stored in the abnormality detection device position data input unit 13
The location data of the device is searched and the abnormality detection device 2
It has an output unit 14 for displaying and outputting position data, numbers, and the like. The abnormal phenomenon monitoring device 3 according to the present embodiment is
The configuration may be the same as the conventional example.

FIG. 2 is a diagram showing a schematic internal structure of the fixing device discharging mechanism 22 in the present embodiment. The fixing device discharging mechanism 22 according to the present embodiment includes a wire discharging spring 27, a wire housing portion 28, and a wire discharging plunger 2.
9 and a wire stopper 30. The wire ejection spring 27 is provided as an elastic member that ejects the fixing device 24 to which one end of the wire 25 is attached from the main body by the stored elastic force. Wire storage unit 28
Is a fixing device 24 and a wire discharge spring 2 in a contracted state.
Store 7. The wire ejection plunger 29 is set to operate by the output of the impact sensor 21.
Then, the wire stopper 30 is connected to the wire discharge plunger 2
Before the operation of 9, the fixing device 24 is fixed so that the wire discharge spring 27 can be stored in a contracted state, and the fixing device 24 is opened by the operation of the wire discharge plunger 29.

Next, the installation and operation of the abnormality detection device 20 according to this embodiment will be described.

First, the abnormality detecting device 20 is loaded on an aircraft such as a helicopter, carried from the air to the sky above the mountain where an abnormality should be detected, and dropped to a target point. At this time, the fixing device 24 is fixed by the wire discharge plunger 29 and the wire stopper 30 provided as a restraining mechanism in FIG.
As shown in, the wire is stored in the wire storage portion 28 in the main body. The dropped abnormality detection device 20 falls and lands on the ground. In the abnormality detection device 20, the wedge-shaped ground fixing mechanism 26 pierces the ground and is fixed due to the inertia of its own fall. From the above, it can be seen that the balance is formed such that the landing mechanism 26 lands.

When the impact sensor 21 detects that it has landed due to the impact at the time of landing, it outputs a landing detection signal to the fixture release mechanism 22. Upon receiving the signal from the impact sensor 21, the wire ejecting plunger 29 of the fixing device ejecting mechanism 22 releases the fixing device 24 that has been fixed by moving the wire stopper 30. Open fixture 2
4 and the wire 25, one end of which is connected to the fixture 24, is discharged by the elastic energy of the wire discharge spring 27. As a result, the released fixing device 24 having the wedge shape is fixed by being stuck in the ground or the wire 25 being entangled with a feature such as rock or vegetation. In this way, the wire 25 is installed on the ground surface in a state where the wire 25 is stretched to some extent.

When an abnormal phenomenon occurs between the fixture 24 fixed on the ground or a feature such as rock or vegetation and the ground fixing mechanism 26, the distance between the fixture 24 and the abnormality detecting device 20 changes, and accordingly The state of the switch 23 changes. The detection device control unit 5 detects the state of the switch 23, and transmits the abnormality information data including the unique identification number of the abnormality detection device 20 to the transmission unit 6.
Output to. The transmitter 6 modulates and outputs the abnormality information data from the detection device controller 5 into a wireless signal that can be transmitted as a wireless radio wave. The radio signal is emitted into space via the detector antenna 9. The abnormality phenomenon monitoring device 3 receives the radio signal emitted by the abnormality detection device 20 at the receiving unit 11 via the monitoring device antenna 10. The monitoring device control unit 12 demodulates the received wireless signal into a digital signal. Then, it is determined whether or not the received signal is abnormal information data. When the abnormality information data is recognized, the abnormality information data is output by the output unit 1
Output to 4. The output unit 14 uses the unique identification number of the abnormality detection device 2 included in the received abnormality information data, and from the set of the unique identification number and position data of each abnormality detection device stored in the abnormality detection device position data input unit 13. The position of the abnormality detection device 2 in the received abnormality information data is searched and specified, and the position data, number, etc. of the abnormality detection device 2 are displayed and output to the observer. As described above, the occurrence of the abnormal phenomenon is detected, and the occurrence position is specified.

In the present embodiment, as in the conventional example, two places are fixed to the ground surface and changes in the ground surface are monitored by their relative positional displacements. However, one place fixes the main body by its own weight and the other one At the location, the wire 25 and the fixture 24 are ejected by the fixture ejecting mechanism 22 so that the fixture 25 can be installed at a position apart from the main body. This eliminates the need for manpower to install the abnormality detection device 20, so that the device can be easily installed in a dangerous area by dropping from the air.

In this embodiment, since the fixing device 24 may be damaged depending on the impact at the time of landing or the surface condition of the landing place, the fixing device 24 is of the type built into the main body, but it is fixed to the main body. Depending on the distance from the device 24 and the situation of the installation location, it may not necessarily be built-in type.

Embodiment 2. FIG. 3 is a schematic configuration diagram showing the abnormality detection device 20 according to the present embodiment. Since the abnormal phenomenon monitoring device is the same as that of the first embodiment, it is omitted. The same applies to the following embodiments.

Anomaly detection device 20 according to the present embodiment
Is an impact sensor 2 provided as an installation timing setting means.
It is characterized in that a timer 31 as a time measuring means is provided in place of 1. The timer 31 outputs a signal to the fixture release mechanism 22 after a preset time has elapsed before falling.

That is, the timer 31 is provided with the abnormality detecting device 20.
By setting an appropriate time required for dropping and landing, the fixing device discharging mechanism 22 can discharge the fixing device 24 and the wire 25 at that timing. In the first embodiment, the impact sensor 21 can be used to steadily detect the landing, while the fixing device 24 can be immediately detected at the time of landing.
Will be installed. In this embodiment, the timer 3
By using 1, it is possible to provide a time lag from the landing to the release of the fixing device 24. The operation other than this is the same as that of the first embodiment, and the description thereof is omitted.

Embodiment 3. FIG. 4 is a schematic configuration diagram showing the abnormality detection device 20 according to the present embodiment. The present embodiment is characterized in that both the impact sensor 21 and the timer 31 are provided as the installation timing setting means. The impact sensor 21 is a means for detecting an impact at the time of landing as in the first embodiment, but this embodiment is different from the second embodiment in which the timer 31 starts counting time before falling. Then, after the impact sensor 21 detects the impact. In other words, the timer 31 starts timing with a signal output from the impact sensor 21 due to the impact due to landing, and outputs a signal to the fixture release mechanism 22 after a predetermined time has elapsed before the fall from that time.

According to the present embodiment, the impact sensor 21 and the timer 31 are combined so that the landing can be reliably detected and the fixing device 24 after landing.
The time until the release of can be set more finely.
The operation other than this is the same as that of the first embodiment, and the description thereof is omitted.

Fourth Embodiment FIG. 5 is a schematic configuration diagram showing the abnormality detection device 20 according to the present embodiment. In the present embodiment, the detection device antenna 9 is of a body built-in type, and the antenna projection mechanism 32 for receiving the output signal from the impact sensor 21 and projecting the detection device antenna 9 built into the body from the body is provided. It has a feature.

FIG. 6 is a diagram showing a schematic internal structure of the antenna projection mechanism 32 in the present embodiment. The antenna projection mechanism 32 in the present embodiment is the antenna fixing device 3
3, an antenna protruding spring 34, an antenna housing portion 35, an antenna protruding plunger 36, and an antenna stopper 37. Note that, in FIG. 5, the detection device antenna 9, the antenna fixing device 33, and the antenna projection spring 34 when the detection device antenna 9 protrudes are shown by broken lines. The antenna 9 is attached to the antenna fixing tool 33, and the antenna projecting spring 34 causes the antenna fixing tool 3 to operate with the stored elastic energy.
It is provided as an elastic member that causes the detection device antenna 9 to project from the main body when 3 is pushed out. The antenna storage unit 35 stores the detector antenna 9 and the antenna projection spring 34 in a contracted state. The antenna projection plunger 36
It is set to operate by the output of the impact sensor 21. The antenna stopper 37 fixes the antenna fixing member 33 so that the antenna protruding spring 34 can be stored in a contracted state before the antenna protruding plunger 36 is operated, and the antenna fixing member 33 is opened by the operation of the antenna protruding plunger 36. To do.

Next, the installation and operation of the abnormality detection device 20 in this embodiment will be described.

First, the abnormality detecting device 20 is dropped from the air. At this time, the detector antenna 9 is stored in the antenna storage portion 35 in the main body as shown by the solid line in FIG. 6 by the antenna projecting plunger 36 and the antenna stopper 37 provided as a restraining mechanism. . When the dropped abnormality detection device 20 lands on the ground, the impact sensor 21
When detecting the landing due to the impact at the time of landing, outputs a landing detection signal to the antenna projection mechanism 32. The antenna projecting plunger 36 of the antenna projecting mechanism 32 releases the antenna fixing device 33 that is fixed by moving the antenna stopper 37. The open antenna fixing tool 33 and the detector antenna 9 fixed to the antenna fixing tool 33 are pushed out by the elastic energy of the antenna projecting spring 34.

According to the present embodiment, since the detector antenna 9 can be projected from the main body after landing as described above, it is possible to prevent the detector antenna 9 from being damaged by the impact at the time of landing. it can. Other operations in the present embodiment are the same as those in the first embodiment, and therefore their explanations are omitted.

Embodiment 5. FIG. 7 is a schematic configuration diagram showing the abnormality detection device 20 according to the present embodiment. The abnormality detecting device 20 in the present embodiment is characterized in that a timer 31 as a time measuring means is provided in place of the impact sensor 21 provided as the installation timing setting means in the fourth embodiment. The timer 31 outputs a signal to the antenna projection mechanism 32 after a preset time has elapsed before falling. The timer 31 outputs a signal to the antenna projection mechanism 32 after a preset time has elapsed before falling.

That is, the timer 31 is connected to the abnormality detecting device 20.
By setting an appropriate time required for the dropping and landing of the antenna, the antenna projection mechanism 32 can project the detector antenna 9 at that timing. In the fourth embodiment, landing can be steadily detected by using the impact sensor 21, while the detection device antenna 9 is immediately projected at the time of landing. In the present embodiment, by using the timer 31, it is possible to allow a grace period from the landing to the protrusion of the detection device antenna 9. The operation other than this is the same as that of the fourth embodiment, and the description thereof is omitted.

Sixth Embodiment FIG. 8 is a schematic configuration diagram showing the abnormality detection device 20 according to the present embodiment. The present embodiment is characterized in that both the impact sensor 21 and the timer 31 are provided as the installation timing setting means. The impact sensor 21 is a means for detecting the impact at the time of landing similarly to the fourth embodiment, but this embodiment is different from the fourth embodiment in which the timer 31 starts counting the time before dropping. Then, after the impact sensor 21 detects the impact. That is, the timer 31 starts timekeeping with a signal output from the impact sensor 21 due to the impact due to landing, and outputs a signal to the antenna projection mechanism 32 after a preset time elapses before dropping from that time.

According to the present embodiment, the impact sensor 21 and the timer 31 are combined so that the landing can be reliably detected and the time from the landing to the projection of the detecting device antenna 9 can be made finer. Can be set. The operation other than this is the same as that of the fourth embodiment, and the description thereof is omitted.

Embodiment 7. FIG. 9 is a schematic configuration diagram showing the abnormality detection device 20 according to the present embodiment. In the present embodiment, in contrast to the configuration shown in the first embodiment, a GPS receiver 38 is used as a position measuring means for detecting the main body position.
It is characterized by the provision of. The GPS receiver 38 is
The self-position data is output to the detection device controller 5.

When an abnormal phenomenon occurs while the abnormality detecting device 20 is installed on the surface of the earth, the detecting device control section 5
Outputs the abnormality information data including the self-position data from the GPS receiver 38 and the unique identification number to the transmitter 6. Then, the transmitter 6 wirelessly transmits the abnormality information data including the self-position data and the unique identification number transmitted from the detection device controller 5 to the abnormal phenomenon monitoring device as a radio wave. Since the other processes are the same as those in the first embodiment, the description thereof will be omitted.

Up to now, the installation position of each abnormality detecting device 20 was recorded using the abnormality detecting device position data input unit 13 of the abnormal phenomenon monitoring device, but according to the present embodiment, each abnormality detecting device 20 can be installed. Since the respective position data are sent, the abnormality detection device position data input unit 13 is unnecessary. Further, it is possible to eliminate the work of inputting position data of each abnormality detection device 20 by a person.

Although the present embodiment has been described in the case where the GPS receiver 38 is provided in the abnormality detecting device 20 shown in the first embodiment, the abnormality detecting device 2 shown in the other embodiments.
It is possible to mount the same in the first embodiment, and it is possible to obtain the same effect as that of the present embodiment.

[0049]

According to the present invention, the ground fixing mechanism is arranged in the main body to fix the main body itself to the surface of the earth, and the fixing device fixed at a position away from the main body is provided. Since it is unnecessary, it can be easily installed in a dangerous area by dropping it from the air.

Since the fixing device discharging mechanism is provided, it can be installed by discharging the fixing device built in the main body. Since the fixing device can be built-in in this way, it is possible to prevent the fixing device from being damaged by a shock or the like caused by dropping from the air.

Further, since the antenna is built-in and the antenna emitting mechanism for projecting the antenna after landing is provided, it is possible to prevent the antenna from being damaged by a shock or the like caused by dropping from the air.

Further, by using the impact sensor as a means for setting the installation timing, it is possible to reliably detect the time when the apparatus lands.

Further, by using the clocking means as means for setting the installation timing, it is possible to allow a time lag from the landing of the device to the release of the fixing device.

Further, the discharge timing of the fixing device can be set more finely by using the shock sensor and the timing means in combination as a means for setting the installation timing.

Further, since the position measuring means is mounted, it is possible to reduce the time until preparation by eliminating the work of inputting position data of the abnormality detecting device in the abnormality phenomenon monitoring device.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram showing a first embodiment of an abnormal surface phenomenon detection device and an abnormal phenomenon monitoring device according to the present invention.

FIG. 2 is a diagram showing a schematic structure of a fixing device discharging mechanism according to the present embodiment.

FIG. 3 is a schematic configuration diagram showing an abnormality detection device according to a second embodiment.

FIG. 4 is a schematic configuration diagram showing an abnormality detection device according to a third embodiment.

FIG. 5 is a schematic configuration diagram showing an abnormality detection device according to a fourth embodiment.

FIG. 6 is a diagram showing a schematic structure of an antenna projection mechanism according to a fourth embodiment.

FIG. 7 is a schematic configuration diagram showing an abnormality detection device according to a fifth embodiment.

FIG. 8 is a schematic configuration diagram showing an abnormality detection device according to a sixth embodiment.

FIG. 9 is a schematic configuration diagram showing an abnormality detection device according to a seventh embodiment.

FIG. 10 is a conceptual diagram showing an installation situation of a conventional surface abnormality phenomenon detection device.

FIG. 11 is a schematic configuration diagram of a conventional abnormality detection device and abnormal phenomenon monitoring device.

FIG. 12 is a diagram showing a schematic structure of a wire sensor which is an example of a conventional abnormality detection sensor 4.

[Explanation of symbols]

3 Abnormal Phenomenon Monitoring Device, 5 Detection Device Control Unit, 6 Transmission Unit, 7 Battery, 9 Detection Device Antenna, 10 Monitoring Device Antenna, 11 Reception Unit, 12 Monitoring Device Control Unit, 13 Abnormality Detection Device Position Data Input Unit, 14 Output Part, 20 anomaly detection device, 21 impact sensor, 22 fixture release mechanism, 23 switch, 24 fixture, 25 wire,
26 Ground Fixing Mechanism, 27 Wire Discharging Spring, 28 Wire Housing, 29 Wire Discharging Plunger, 30 Wire Stopper, 31 Timer, 32 Antenna Projecting Mechanism, 33
Antenna fixing tool, 34 Antenna projecting spring, 35 Antenna storing, 36 Antenna projecting plunger, 37 Antenna stopper, 38 GPS receiver.

Front page continuation (51) Int.Cl. ⁷ Identification code FI theme code (reference) G08B 21/10 G08B 21/10 25/08 25/08 A 25/10 25/10 A G08C 15/00 G08C 15/00 D 17/00 17/00 ZF term (reference) 2D044 EA07 2F073 AA19 AB11 AB12 BB01 BC02 CC01 CC08 CC12 DE06 DE16 GG01 GG04 2F076 BA01 BA11 BB09 BC01 BD02 BD18 BE18 5C086 AA13 AA14 BA30 CA01 CA24 CA50 CB0EA0 CA40 CA50 CB40EA0 AA19 BB11 BB18 BB74 DD02 DD49 EE12 EE18 FF01 FF04 FF17 FF19 FF20 GG54 GG66 GG70 GG71 GG83

Claims (10)

[Claims] 1. A ground abnormal phenomenon detecting device for detecting an abnormal phenomenon occurring on the ground surface, wherein a ground fixing mechanism for fixing the grounded body to the ground by a drop inertia force due to its own weight, and a position separated from the grounded body. A fixing device fixed to the ground with, a distance change detecting unit that detects a change in the distance between the ground fixing mechanism and the fixing device, and an abnormality detection indicating that the distance change detecting unit detects the change in the distance. An abnormal surface phenomenon detection device comprising: an abnormal phenomenon communication means for wirelessly transmitting information to an abnormal phenomenon monitoring device installed at a remote location. 2. A fixing device discharging mechanism for fixing the fixing device built into the main body to the ground by discharging the fixing device, and an installation timing setting for setting an installation timing at which the fixing device discharging mechanism discharges the fixing device. The surface abnormal phenomenon detection device according to claim 1, further comprising: 3. The distance change detecting means includes a switch means provided in the main body, and a wire having one end connected to the fixing device and the other end connected to the switch means. 2. The surface abnormal phenomenon detecting device according to claim 1, wherein a change in distance is detected by switching on / off of the switch means by displacement of tension of the wire. 4. The fixing device discharging mechanism includes an elastic member for discharging the fixing device from the main body by elastic force, a restraining mechanism for suppressing the elastic member in a contracted state, and the fixing device and the contracted state. And a storage unit for storing the elastic member, wherein the elastic member is released by the elastic force of the elastic member at the installation timing set by the installation timing setting means to release the fixing device. The surface abnormal phenomenon detection device according to claim 2, wherein 5. An antenna projecting mechanism for projecting an antenna contained in the main body from the main body, and installation timing setting means for setting an installation timing at which the antenna projecting mechanism projects the antenna. The surface abnormal phenomenon detection device according to claim 1. 6. The antenna projection mechanism comprises an elastic member for projecting the antenna from the body by an elastic force, a restraining mechanism for restraining the elastic member in a contracted state, the antenna and the elastic member in a contracted state. And a storage section for storing the elastic member, the elastic member being opened to project the antenna at the installation timing set by the installation timing setting unit. The surface abnormal phenomenon detection device according to claim 5. 7. The installation timing setting means has an impact sensor for detecting an impact at the time of landing, and the installation timing is set when the impact sensor detects an impact. Surface anomaly detection device. 8. The ground abnormal phenomenon detecting device according to claim 2, wherein the installation timing setting means has a time measuring means for setting the installation timing after a preset time elapses before falling. 9. The installation timing setting means includes an impact sensor for detecting an impact at the time of landing, and a timing means for setting the installation timing after a preset time elapses before the fall after the impact sensor detects the impact. The surface abnormal phenomenon detection device according to claim 2 or 5, further comprising: 10. A position measuring means for detecting the main body position is provided, and the abnormal phenomenon communication means wirelessly transmits the main body position to the abnormal phenomenon monitoring device by including the main body position in the abnormality detection information. The ground surface abnormal phenomenon detection device according to any one of claims 1 to 9.