JP2000182168A - Snowslide monitoring device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To monitor the position of the occurrence of snowslide and its scale. SOLUTION: This device is provided with a gyro sensor 2 which detects an impulsive acceleration in accordance with the magnitude and the direction of an external force and a detector itself at the time of application of the external force due to displacement of a snow layer, plural thermometers 8 which are provided at proper intervals in the lengthwise direction and detect temperatures at respective depths of the snow layer, an operation part 6 which performs operation of these acceleration value and temperature data, plural detectors which are buried at proper intervals in slopes of parts between mountains or the like where the snowslide is apt to occur, a data processing part 13 which is provided in a base station to collect detection data transmitted from these detectors and processes detection data at each measuring point in real time to obtain data exceeding a reference acceleration value at each measuring point and data exceeding a reference temperature, and a discrimination part 14 which discriminates the possibility of the occurrence of an avalanche or the occurrence or non-occurrence of an avalanche and its scale based on data processed in the data processing part to monitor the state of the snowslide.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an avalanche monitoring apparatus for monitoring the state of an avalanche by judging the possibility of an avalanche or the presence or absence of an avalanche and its scale in a snow-covered area.

[0002]

2. Description of the Related Art In snowy areas, there is an urgent need to develop an avalanche monitoring system capable of predicting a disaster caused by an avalanche in advance.

Conventionally, as means for detecting an avalanche, a plurality of columns are buried at appropriate intervals in a place where an avalanche is likely to occur, and a wire having a resistance between appropriate height positions of these columns is used. The resistance is changed by disconnection of the wire due to the avalanche, and the occurrence of the avalanche is detected by transmitting the resistance value to the base station by wire.

[0004]

However, in such an avalanche monitoring system, since wires must be extended over a wide area, it takes a lot of trouble and time, and the location where the avalanche occurs is reduced. There was a problem that it was difficult to specify and its scale could not be predicted.

Further, if the pillar itself is bent by a large load during the movement of the snow layer, the pillar is damaged or remains bent, so that the pillar is manually repaired or replaced after the snow melts. There must be.

Further, since the columns themselves are not individually attached to the foundation, when the avalanche occurs, the columns may be washed away together with the snow.

[0007] The present invention has been made in view of the above circumstances, it is possible to specify the location of the occurrence of the avalanche and its scale, and even after the detector is bent by the weight or movement of the snow, after the melting of the snow It is an object of the present invention to provide an avalanche monitoring device that can automatically return to an original position.

[0008]

In order to achieve the above object, the present invention comprises an avalanche monitoring device comprising the following means.

According to a first aspect of the present invention, there is provided a gyro sensor for detecting an impact acceleration based on the magnitude and direction of an external force due to the displacement of the snow layer and the inclination of the detecting section itself, and having an appropriate interval in the longitudinal direction. A plurality of thermometers that detect the temperature at each depth of the snow layer, an acceleration value detected by these gyro sensors, and an arithmetic unit that arithmetically processes the temperature data detected by each of the thermometers,
A plurality of detectors respectively buried at an appropriate distance on an inclined surface such as a mountain part where an avalanche is likely to occur, and provided at a base station for collecting detection data transmitted from these detectors, Data processing means for processing detected data for each measurement point in real time to obtain data exceeding a reference acceleration value and data exceeding a reference temperature for each measurement point; and each data processed by this data processing means A determination means for determining the possibility of occurrence of an avalanche or the presence or absence of an avalanche and its scale based on the avalanche to monitor the state of the avalanche.

Therefore, in the avalanche monitoring device according to the first aspect of the present invention, the presence or absence of an avalanche and its size are predicted by a detector provided with a gyro sensor and a thermometer without being affected by detection accuracy. It is possible to make a determination.

According to a second aspect of the present invention, there is provided a gyro sensor for detecting an impact acceleration based on the magnitude and direction of an external force due to displacement of a snow layer and the inclination of the detection unit itself. A two-axis inclinometer for detecting the direction of inclination, a plurality of thermometers provided at appropriate intervals in the longitudinal direction for detecting the temperature at each depth of the snow layer, and the angle values of these gyro sensors A calculation unit for calculating the acceleration value corrected based on the angle value, the data of the inclinometer, and the temperature data, and burying them at an appropriate distance on an inclined surface such as a mountain area where an avalanche easily occurs. A plurality of detectors, and a base station that collects detection data transmitted from each of the detectors, processes the detection data for each measurement point in real time, and performs a reference acceleration for each measurement point. Of the data exceeding the value, data exceeding the reference inclination angle, data processing means for obtaining data exceeding the reference temperature, and the possibility of occurrence of an avalanche based on each data processed by this data processing means or A determination means is provided for monitoring the state of the avalanche by determining whether or not the avalanche has occurred and its scale.

Therefore, in the avalanche monitoring apparatus according to the second aspect of the present invention, the presence or absence of the avalanche and its scale can be accurately detected without depending on the detection accuracy of the displacement of the snow layer. Can be predicted in advance.

According to a third aspect of the present invention, in the avalanche monitoring device according to the first or second aspect, the detector divides an appropriate portion located on the ground side of the cylindrical body and separates the divided portions. The space is integrally connected by a flexible joint.

Therefore, in the avalanche monitoring device according to the third aspect of the present invention, the detector automatically returns to the original position after the melting of the snow even if the detector is bent due to the weight or movement of the snow. Inspection can be made unnecessary.

According to a fourth aspect of the present invention, in the avalanche monitoring apparatus according to any one of the first to third aspects, each detector includes a solar cell as a driving power source. is there.

Therefore, in the avalanche monitoring device according to the fourth aspect of the present invention, since the solar battery is used as a driving source,
Low power consumption is required, the service life is semi-permanent, and maintenance-free operation can be achieved.

[0017]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a configuration example of a detector used in a first embodiment of a ground monitoring device according to the present invention.

In FIG. 1, reference numeral 1 denotes a cylinder buried underground. The cylinder 1 has an appropriate length determined in accordance with the snow depth on the ground, and is provided at an appropriate location near the ground. Is divided into two parts and these divided parts are integrally connected by a spring joint 1a.

In the cylindrical body 1, a solid gyro sensor 2 and a biaxial inclinometer 3 are provided as detection units via a support plate 4 fixed to an inner wall surface.
Further, a battery 5, a gyro sensor 2, a calculation unit 6 for amplifying and calculating a detection signal output from the inclinometer 3 as a driving power source, and a detection signal processed by the calculation unit 6 are transmitted into the cylinder 1. The transmitting units 7 are provided via support plates 4 fixed to the inner wall surface of the cylindrical body 1.

Further, a plurality of thermometers 8 are mounted on the outer peripheral surface located on the ground side of the cylindrical body 1 at appropriate intervals in the axial direction.

On the other hand, 9 is a lid for closing the upper opening of the cylindrical body 1, and a solar cell 10 is mounted on the upper surface of the lid 9 as a power source for charging the battery 5. Also, the lid 9
Is provided with a transmission antenna 11 for transmitting the detection signal processed by the calculation unit 6 from the transmission unit 7 to a base station (not shown) as radio waves.

As shown in FIG. 2, the gyro sensor 2 has a piezoelectric element 2b for detecting an external force in three axial directions attached to each side surface of the triangular prism 2a, and when an acceleration α is applied to each piezoelectric element 2b, the acceleration is reduced. A voltage of a magnitude corresponding to the voltage is generated, and this voltage is input to the arithmetic unit 6.

In the above description, a piezoelectric element is used as the configuration of the gyro sensor 2. However, a semiconductor strain sensor, an optical fiber gyro, a fluid gyro, a mechanical gyro, or the like may be used.

The two-axis inclinometer 3 measures the angle of inclination of two orthogonal axes, and the measurement signal is input to the arithmetic unit 6.

Further, the thermometer 8 detects the temperature at the depth of the snow layer and is input to the arithmetic unit 6.

Here, the gyro sensor 2 and the inclinometer 3
Each function of the thermometer 8 and the function of the calculation unit 6 will be described with reference to FIGS.

As shown in FIG. 3, when voltages generated according to the acceleration α are input from the respective piezoelectric elements of the gyro sensor 2, these voltage signals are amplified by an amplifier to signal levels suitable for arithmetic processing. After calculating the acceleration from the voltage signal, the acceleration in each axis direction is simultaneously detected, and the direction, magnitude, impact force, and attitude of the detector are determined from these values. Then, after the acceleration accompanying the rotation of the earth is cut, the corrected displacement, acceleration, and impact force are output to the calculation unit 6 as output data Fa.

The measurement signal measured by the two-axis inclinometer 3 is amplified by an amplifier to a signal level suitable for arithmetic processing, and the orthogonal two-axis inclination angle and inclination direction are obtained from the measurement signal. The tilt angle and the tilt direction of the axis are output to the calculation unit 6 as output data Fb.

The detection signal detected by the thermometer 8 is amplified by an amplifier to a signal level suitable for arithmetic processing.
After measuring the temperature at each depth of the snow layer from that value,
It is determined how much the temperature in the snow layer has changed (increased) depending on the depth. The same applies to the ground side. Then, the temperature of the snow layer is output to the calculation unit 6 as output data Fc. Similarly, it outputs the temperature on the ground.

On the other hand, the output data Fa, Fb,
When Fc is input, the arithmetic unit 6 stores the data from the gyro sensor 2 in the memory at regular intervals, as shown in FIG. 4, and integrates the gyro acceleration value from the data to determine the angle.

The angle value obtained by the two-axis inclinometer is compared with the angle value obtained by the gyro sensor. If there is an error, the angle value of the gyro sensor is corrected. The corrected gyro sensor angle value is differentiated again to calculate an acceleration value, and the acceleration value is sequentially stored in the memory. Further, other data such as the displacement, impact force, and position of the gyro sensor are similarly stored in the memory.

The data of the two-axis inclinometer 3 is synchronized with the gyro sensor 2 and stored in the memory at regular intervals. Further, the data of the thermometer 8 is synchronized with the gyro sensor 2 and stored in the memory at regular intervals. The data stored in these memories is output to the transmission unit 7 at regular intervals.

On the other hand, FIG. 5 shows the displacement, acceleration and impact force data detected by the gyro sensor 2 detected by the detector, the inclination angle and direction data obtained by the inclinometer 3, and the snow layer temperature data obtained by the thermometer 8. FIG. 1 is a block diagram showing a system configuration for monitoring the presence or absence of an avalanche and monitoring the scale of the avalanche.

In FIG. 5, each detector comprises a gyro sensor 2, a two-axis inclinometer 3, a thermometer 8, a calculator 6 and a transmitter 7, and the base station comprises a receiver 12 and a data processor 13. And a determination unit 14.

Here, the function of the data processing unit 13 on the base station side will be described with reference to FIG.

As shown in FIG. 6, the data processing unit 13
At 61, the data of the displacement, acceleration and impact force are arranged at each point and time with respect to the measurement signal from the gyro sensor 2. Next, the direction of the force applied to each point is calculated in S62, a comparison calculation is performed with the reference acceleration value per unit time in S63, and the data exceeding the reference acceleration value is sorted and stored in the memory in S64. I do. And S65
In the data exceeding the reference acceleration value, the inclination angle is calculated from the direction in which the force is applied and the acceleration value.

In step S66, the data of the measured signals from the two-axis inclinometer 3 are arranged in terms of the tilt angle and direction at each point and time. Next, in S67, a comparison calculation is performed with the reference tilt angle value per unit time, and in S68, data exceeding the reference tilt angle is sorted and stored in the memory.

Further, the temperature data at each depth of the snow layer at each point and time are arranged in S69 with respect to the measurement signal from the thermometer 8 at S69. Next, a comparison calculation with the reference temperature is performed in S70, and data exceeding the reference temperature is sorted and stored in the memory in S71. Then, in S72, the air temperature on the ground is similarly arranged and stored in the memory.

Further, the judgment unit 14 is provided with the data processing unit 13
Various types of determination processing, which will be described in detail later, are performed based on the data processed by the above-described method, and a warning or display is given in accordance with the avalanche occurrence factor and its scale.

Next, the operation of the avalanche monitoring device configured as described above will be described.

Now, as shown in FIG. 7, a plurality of detectors, here No. 1 to No. It is assumed that the detectors 5 are arranged at an appropriate distance from each other and are buried in a state as shown in FIG.

In each of the detectors buried in such a state, the signals measured by the gyro sensor 2, the inclinometer 3 and the thermometer 8 at each measurement point in the snow area are processed as shown in FIG. Is performed and the data is taken into the calculation unit 6, and the calculation unit 6 calculates the acceleration value corrected by the calculation as shown in FIG.
Each is transmitted from the transmission unit 7 to the base station via the transmission antenna 11.

In the base station, when the data transmitted from each detector is received by the receiving unit 12 shown in FIG. 5, the data processing unit 13 processes these data and exceeds the reference acceleration value as shown in FIG. The data, the data exceeding the reference inclination angle, the data exceeding the reference temperature, and the data of the ground temperature are respectively arranged, and these data are taken into the determination unit 14.

Here, various determination processes in the determination unit 14 will be described in detail with reference to FIGS.

As shown in FIG. 9, in the data from the gyro sensor 2 which exceeded the reference acceleration value in S91, the direction and the inclination angle to which the force was applied were compared with the direction and the inclination angle obtained from the inclinometer 3. Then, in S92, it is determined whether or not the data from the gyro sensor 2 and the data from the inclinometer 3 substantially match. Then, when it is determined in S92 that the two data match, it is determined in S93 whether the temperature data of the snow layer measured by the thermometer 8 exceeds the reference value.

If it is determined that the data of the snow layer of the thermometer 8 does not exceed the reference value, it is determined in S94 that an abnormality (surface avalanche) has occurred on the ground, and in S95 which position of Check that the detector exceeds the shock reference value.

When it is confirmed in S96 that all the detectors exceed the reference value, it is determined in S97 that a large-scale surface avalanche has occurred, and an emergency alarm is issued. When it is confirmed in S98 that only a small number of detectors in the upstream or downstream area exceed the reference value, it is determined in S99 that a small surface avalanche has occurred and an emergency alert is issued.

If it is determined in step S93 that the temperature data of the snow portion of the thermometer 8 exceeds the reference value, the process proceeds to a determination process as shown in FIG. As shown in FIG.
It is determined whether or not the temperature data on the ground exceeds the reference value.

If it is determined that the temperature data on the ground does not exceed the reference value, it is determined in S101 that an abnormality has occurred in the snow layer, and the occurrence of the abnormality is determined in S102 by all the detectors. If it is confirmed that the value is exceeded, S
At 103, it is determined that a large-scale avalanche has occurred, and an emergency alert is issued. If it is confirmed in S104 that the number of abnormalities exceeds the reference value in only a small number in the upstream or downstream area, the process proceeds to S10.
At 5, it is determined that a small avalanche has occurred in the upstream or downstream area, an emergency warning is issued, and the avalanche occurrence range is displayed.

If it is determined in S100 that the temperature data on the ground exceeds the reference value, it is determined in S106 that a deep avalanche has occurred due to a rise in temperature. Check if it is exceeded. And S1
If it is confirmed at 08 that all the detectors exceed the reference value, it is determined at S109 that a large-scale deep avalanche has occurred, and an emergency alarm is issued. Further, if it is confirmed in S110 that only a small number of detectors in the upstream or downstream area exceed the reference value, it is determined in S111 that a medium-sized deep avalanche has occurred in the upstream or downstream area, and an emergency is determined. Issue an alarm and display the avalanche occurrence range.

On the other hand, if it is determined in S92 of FIG. 9 that the data of the gyro sensor 2 and the data of the inclinometer 3 do not substantially match, the process proceeds to a determination process as shown in FIG.

In FIG. 11, it is determined whether or not the data from the gyro sensor 2 exceeds the reference value in S112 and the data of the inclinometer 3 is equal to or less than the reference value. Then, it is determined whether or not the data of the thermometer 8 exceeds the reference value. If the data does not exceed the reference value, the measurement is continuously executed.

In step S112, the gyro sensor 2
Is determined to be less than the reference value and the data from the inclinometer 3 is equal to or less than the reference value, it is determined in S114 whether the acceleration value of the gyro sensor 2 exceeds the reference value. If it does not exceed the reference value, it is determined in S115 whether or not the temperature data of the thermometer 8 of the snow layer exceeds the reference value, and if not, it is determined in S116 that there is little possibility of developing into an avalanche. Register and save the monitoring required data in the memory. If it is determined in S115 that the temperature data of the snow layer of the thermometer 8 exceeds the reference value, the process proceeds to S11.
At 7, a caution warning is issued as a possibility of developing into an avalanche.

In S114, the gyro sensor 2
If it is determined that the acceleration value exceeds the reference value,
The process proceeds to a determination process as shown in FIG.

In FIG. 12, in S118, it is determined whether or not the impact value of the gyro sensor 2 exceeds a reference value.
If not, it is determined in S119 whether the inclination direction of the inclinometer 3 and the direction of the force of the gyro sensor 2 match, and if not, it is determined that the sensor is abnormal.

If it is determined in S119 that the inclination direction of the inclinometer 3 and the direction of the force of the gyro sensor 2 match, in S120 which position of the detector exceeds the acceleration reference value is determined. Check.

When it is confirmed in S121 that all the detectors exceed the reference value, it is confirmed in S122 that the entire snow layer is moving in a deep part or a wide area, and in S123 the deep snow layer is moving. Judgment of an avalanche in a part or wide area and issues an emergency alert.

When it is confirmed in S124 that only a small number of detectors in the upstream or downstream area exceed the reference value,
At 125, it is determined that a medium-scale avalanche has occurred in the upstream or downstream area, and a warning alarm is issued.

As described above, in the present embodiment, the gyro sensor 2 for detecting displacement, acceleration and impact force,
A biaxial inclinometer 3 for detecting the inclination angle and the inclination direction of the axis, a thermometer 8 for detecting the temperature of the snow layer and the ground, and an angle value of these gyro sensors 2 are corrected based on the angle value of the inclinometer 3. A detector provided with a calculation unit 6 for calculating the acceleration value, the data of the inclinometer 3 and the temperature data, and a battery 5 using a solar cell 10 as a driving power source, are buried in a slope such as a mountainous area with a lot of snow. Each data detected by these detectors is transmitted to the base station, and the received data is processed in real time by the data processing unit 13 at the base station, and among the data exceeding the reference acceleration value for each measurement point, The inclination angle is calculated from the direction and acceleration value, and the data exceeding the reference inclination angle, the data exceeding the reference temperature, and the ground temperature data are calculated. Each data processed by the data processing unit 13 is obtained. Is determined unit 14 various determination processing performed in the original, but which is adapted to monitor the occurrence of avalanche performed an alarm or display to that effect in accordance cause of avalanche and its size.

Accordingly, the displacement of the snow layer can be accurately detected without being affected by the detection accuracy, and the occurrence of a disaster due to an avalanche can be predicted in advance.

The detector of the present embodiment has a configuration in which the cylindrical body 1 is divided into two parts and the divided parts are integrally connected to each other by a spring joint 1a. As shown in FIG. 13B, a load is applied to the cylindrical body 1 by the movement of the snow layer, and the pressing force is applied to the spring joint 1a. When the snow layer melts even if it bends due to the action
As shown in (c), the spring joint returns to the original state by the return action by the elastic force.

Accordingly, even if the detector itself bends due to the weight of snow as in the prior art, there is no need to manually repair or replace it after the snow has melted, and maintenance and inspection thereof are not required.

Further, even when an avalanche occurs, the detector will not be flushed with snow due to the cushioning action of the spring joint.

Further, since the detector is provided with a solar cell as a driving power source, low power consumption is required, the lifetime is semi-permanent, and maintenance-free operation can be achieved.

Next, an example of the configuration of a detector used in the second embodiment of the avalanche monitoring device according to the present invention will be described.

FIGS. 14 and 15 show the function of a detector having a gyro sensor and a thermometer. In FIG. 14, when voltages generated according to the acceleration α are input from the respective piezoelectric elements of the gyro sensor 2, these voltage signals are amplified by an amplifier to a signal level suitable for arithmetic processing, and acceleration is calculated from the voltage signals. After the calculation, the acceleration in each axial direction is simultaneously detected, and the direction, magnitude, impact force, and attitude of the detector are determined from these values. Then, after the acceleration accompanying the rotation of the earth is cut, the corrected displacement, acceleration, and impact force are output to the calculation unit 6 as output data Fa.

The temperature detection signal detected by the thermometer 8 is amplified by an amplifier to a signal level suitable for arithmetic processing. After measuring the temperature at each depth of the snow layer from the value, the temperature in the snow layer is measured. Is changed (increased). The same applies to the ground-side temperature. Then, the temperature of the snow layer and the air temperature on the ground side are output to the calculation unit 6 as output data Fc.

On the other hand, the gyro sensor 2
When the output data Fa and Fc of the thermometer 8 are input, the arithmetic unit 6 stores the data from the gyro sensor 2 in the memory at regular intervals, as shown in FIG. The angle is obtained by integrating the values. Then, the calculated angle value is stored in the memory similarly to the acceleration value.

The data of the thermometer is synchronized with the gyro sensor and stored in the memory at regular intervals. The data stored in these memories is output to the transmission unit at regular intervals.

On the other hand, data of displacement, acceleration and impact force by the gyro sensor 2 detected by each detector, a thermometer 8
When the temperature data at each depth of the snow layer was transmitted to the base station, the data processing unit processed the detection data for each measurement point in real time at the base station and exceeded the reference acceleration value for each measurement point. The data, the temperature data exceeding the reference temperature or the data exceeding the reference temperature and the temperature data on the ground are obtained, and various judgment processes are executed by the judgment unit based on the data processed by the data processing means, and the avalanche is executed. The state of the ground is monitored by alerting or displaying the fact according to the cause and the scale of the occurrence.

As described above, even with the detector provided with the gyro sensor 2 and the thermometer 8, it is possible to predict and determine whether or not an avalanche has occurred and its scale without depending on the detection accuracy.

[0073]

As described above, according to the present invention, it is possible to specify an avalanche occurrence location and its scale, and even if the detector is bent due to the weight or movement of the snow, the detector is automatically operated after the melting of the snow. An avalanche monitoring device can be provided which can be returned to its original position.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing a main part of a detector in a first embodiment of an avalanche monitoring device according to the present invention, in a cutaway manner.

FIG. 2 is a perspective view showing a configuration example of a solid gyro using a piezoelectric element provided as a sensor in the detector in the embodiment.

FIG. 3 is a block diagram for explaining a signal processing function from a gyro sensor, a two-axis inclinometer, and a thermometer provided in the detector according to the embodiment.

FIG. 4 is a block diagram for explaining a signal processing function in a calculation unit provided in the detector according to the embodiment;

FIG. 5 is a block diagram showing a data processing system of the entire avalanche monitoring device according to the embodiment;

FIG. 6 is a block diagram for explaining functions of a data processing unit in FIG. 5;

FIG. 7 is a diagram showing an example in which the detector according to the embodiment is arranged along an inclined surface of a mountain part.

FIG. 8 is a diagram showing a state in which the detector according to the embodiment is buried underground.

FIG. 9 is a flowchart for explaining a first determination process in a determination unit in FIG. 5;

FIG. 10 is a flowchart for explaining a second determination process in the determination unit.

FIG. 11 is a flowchart for explaining a third determination process by the determination unit.

FIG. 12 is a flowchart illustrating a fourth determination process performed by the determination unit.

FIG. 13 is a view for explaining the operation of the detector in the embodiment.

FIG. 14 is a block diagram for explaining a signal processing function from a gyro sensor and a thermometer provided in a detector according to the second embodiment of the present invention.

FIG. 15 is a block diagram for explaining a signal processing function in an arithmetic unit provided in the detector according to the embodiment;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Cylindrical body 2 ... Solid type gyro sensor 3 ... Biaxial inclinometer 5 ... Battery 6 ... Calculation part 7 ... Transmission part 8 ... Thermometer 10 ... Solar cell 11 ... Transmission antenna 12 ... Receiving unit 13 Data processing unit 14 Determination unit

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Takashi Ogawara 66-2 Horikawa-cho, Saiwai-ku, Kawasaki-shi, Kanagawa F-term (reference) in Toshiba Engineering Corporation 5C086 AA14 CA21 CB20 DA07 GA02

Claims (4)

[Claims] 1. A gyro sensor for detecting an impact acceleration based on the magnitude and direction of an external force due to the displacement of a snow layer and the inclination of a detection unit itself, and provided at appropriate intervals in a longitudinal direction. A plurality of thermometers for detecting temperatures at respective depths, and an arithmetic unit for arithmetically processing acceleration values detected by these gyro sensors and temperature data detected by the respective thermometers, and a mountainous area where an avalanche is likely to occur. And a plurality of detectors embedded at an appropriate distance on an inclined surface such as a plurality of detectors, and provided at a base station for collecting detection data transmitted from each of the detectors. Data processing means for processing data in real time to obtain data exceeding the reference acceleration value and data exceeding the reference temperature for each measurement point, and data processed by the data processing means. Avalanche monitoring apparatus characterized by comprising to determine whether the likelihood or avalanche occurrence of avalanche occurs when the scale on the basis of data and a determination means for monitoring the avalanche condition. 2. A gyro sensor for detecting an impact acceleration based on the magnitude and direction of the external force due to the displacement of the snow layer and the inclination of the detection unit itself, and a two-axis for detecting the inclination angle and the inclination direction of two orthogonal axes. Inclinometers, a plurality of thermometers provided at appropriate intervals in the longitudinal direction for detecting the temperature at each depth of the snow layer, and correcting the angle values of these gyro sensors based on the angle values of the inclinometer A plurality of detectors each including a calculation unit for calculating the acceleration value, the data of the inclinometer, and the temperature data, and buried at an appropriate distance on an inclined surface such as a mountain area where an avalanche easily occurs. And a base station that collects detection data transmitted from each of these detectors, processes detection data for each measurement point in real time, and outputs data that exceeds the reference acceleration value for each measurement point. And data exceeding the reference tilt angle,
A data processing means for obtaining data exceeding the reference temperature; and monitoring the state of the avalanche by judging the possibility of the occurrence of an avalanche or the presence or absence of the avalanche based on each data processed by the data processing means and its scale. An avalanche monitoring device comprising: a determination unit. 3. The avalanche monitoring device according to claim 1, wherein the detector divides an appropriate portion located on the ground side of the cylindrical body and integrates the divided portions by a flexible joint. An avalanche monitoring device characterized by being connected in a static manner. 4. The avalanche monitoring device according to claim 1, wherein each detector includes a solar cell as a driving power supply.