JP4946884B2 - Tornado detector - Google Patents

Description

  The present invention relates to a tornado detection device that can detect the approach of a tornado and the occurrence of a tornado, and more particularly to a tornado detection device that can be configured as an inexpensive device with a simple structure.

  In recent years, the damage caused by tornadoes has been increasing, so the Japan Meteorological Agency has been promoting the installation of Doppler radars to predict the approach of tornadoes and detect their occurrence in various parts of the country. Since Doppler radar can accurately detect wind speed by observing the moving speed of precipitation particles, installing this Doppler radar can detect the occurrence of tornado and prevent damage caused by such tornado. it can.

  As a wind power measuring device for measuring this type of wind power and wind speed, Patent Document 1 describes a portable measuring device storage unit having a rotating blade for measuring wind speed. This measuring device storage unit is an assembly type consisting of two cases and is equipped with a shielding member that shields rain and a solar battery panel, so it is easy to carry and no power is required if the weather is good There are advantages.

Japanese Patent Laid-Open No. 10-20054

  By the way, as mentioned above, a plan to install Doppler radar throughout the country is being carried out in order to prevent damage caused by the occurrence of tornadoes. However, Doppler radar uses precipitation of radio waves (incident waves) emitted from antennas. In order to observe the Doppler velocity etc. from the reflected wave (received radio wave) from the particles, when using this Doppler radar, it is necessary to install a radar radio transmission / reception device, etc., and the installation space is limited. There is. Further, since the Doppler radar is an expensive device, it can be said that it is difficult to install such an expensive Doppler radar as a unit that covers each place in the country.

  Here, it is conceivable to substitute a device such as an anemometer that measures wind direction and wind speed that has been used in the past as a device for detecting a tornado, but in the case of an anemometer, an external power supply and circuit equipment are always required. Therefore, the installation location is restricted, and for example, it is impossible to measure with a wind speed meter when the power pole falls due to strong wind and the power line is cut off, so it can not be adopted as a device to measure strong wind like a tornado It is.

  In addition, in the case of a measuring instrument storage unit disclosed as a conventional example, it is convenient to carry and can be used for measurements with relatively low wind speeds such as weak winds, but a device that measures intense strong winds such as tornadoes As unsuitable.

  Therefore, the present invention has been made to solve the above-described problems of the prior art, and a tornado detection device that can detect the generation of intense strong winds such as a tornado and can be realized as an inexpensive device with a simple structure. The purpose is to provide.

  In order to solve the above-mentioned problems and achieve the object, the invention according to claim 1 detects the generation of a tornado by detecting a strong wind by a blade member that is arranged on the upper surface of the housing and flies according to the strength of the wind. A tornado detection device that includes a small-weight first magnetic plate plate, a medium-weight second magnetic plate plate, and a heavy-weight first plate arranged in order from below at predetermined intervals inside the housing. Three magnetic plate plates and an upper end thereof is fixed to the base end portion of the blade member, and penetrates through a through hole formed in a substantially central portion of the first, second and third magnetic plate plates. The first and second magnetic plate plates among the first, second, and third magnetic plate plates according to the flying amount of the blade member, and a lifting wire that lifts and lowers a combination of a plurality of magnetic plate plates, As the lifting wire is raised, the first, second and third Contact detecting means for detecting a combination of magnetic plate plates having different weights among the magnetic plate plates by contact between the plate plates, and the largest weight among the first, second and third magnetic plate plates by the contact detecting means. The weight detection means for detecting that the contact due to the combination of magnetic plate plates to be detected and the combination of the magnetic plate plates with the largest weight by the weight detection means are detected. And an informing means for informing.

  According to a second aspect of the present invention, in the above invention, when the weight detecting means detects the largest combination of magnetic plate plates, the notifying means notifies the occurrence of a tornado by a buzzer sound. It is characterized by doing.

  The invention according to claim 3 further comprises a transmitter for transmitting a predetermined signal relating to the wind speed to an external disaster prevention center in the above-mentioned invention, and the transmitter is a magnet having the largest weight by the weight detection means. When a combination of plate plates is detected, a signal indicating that a tornado is generated is transmitted.

  According to a fourth aspect of the present invention, in the above invention, the first magnetic plate plate, the second magnetic plate plate, and the third magnetic plate plate are provided on the inner peripheral surface of the casing. Protrusions made of elastic bodies placed at intervals are provided, respectively.

  The invention according to claim 5 is characterized in that, in the above-mentioned invention, the bottom plate portion of the casing is formed with a discharge port for discharging water that has entered the casing.

  According to the invention of claim 1, the tornado detection device includes a first magnetic plate plate having a small weight, a second magnetic plate plate having a medium weight, a third magnetic plate plate having a large weight, and a blade member. The upper end portion is fixed to the base end portion, and the first, second, and third magnetic plates are penetrated through the through hole formed in the substantially central portion of the first, second, and third magnetic plate plates. A lifting wire for raising and lowering the first, second, and third magnetic plate plates according to the flying amount of the blade member in a state where the first magnetic plate plate or a plurality of magnetic plate plates are combined among the plate plates; Because it is configured to detect the generation of a tornado when the combination of the magnetic plate plates, which is the heaviest, is detected, and to notify the generation of the tornado by the notification means, as a device for detecting intense strong winds such as a tornado It is easy to use and has a simple structure. It is possible to realize a Do unit. Moreover, since it is configured as a small device, it can be installed in a depopulated area without Doppler radar or overseas without limiting the installation location.

  In addition, since there is no need for external power supply or other power line equipment, the power supply can be secured even if the power pole stops due to a strong strong wind like a tornado and the power supply stops. Thereby, generation | occurrence | production of a tornado can be detected reliably.

  According to the invention of claim 2, the notifying means notifies the generation of the tornado by the buzzer sound when the weight detecting means detects the combination of the magnetic plate plates that is the largest weight. Sometimes it is possible to immediately notify the surroundings of the occurrence of this tornado.

  Moreover, according to invention of Claim 3, it further has a transmitter which transmits the predetermined | prescribed signal regarding a wind speed to an external disaster prevention center, and the said transmitter has the combination of the magnetic plate board which becomes the largest weight by a weight detection means. When it is detected, a signal indicating that a tornado has occurred is transmitted, so that the disaster prevention center can be immediately notified when a tornado occurs, thereby preventing damage caused by the tornado.

  According to the invention of claim 4, the first magnetic plate plate, the second magnetic plate plate, and the third magnetic plate plate are protrusions made of an elastic body provided on the inner peripheral surface of the housing. In the case of no wind condition, the first magnetic plate plate, the second magnetic plate plate and the third magnetic plate plate can be arranged at fixed positions at regular intervals, The first magnetic plate plate, the second magnetic plate plate, and the third magnetic plate plate can be allowed to move upward.

  According to the invention of claim 5, the water that has entered the housing is discharged from the discharge port formed in the bottom plate portion of the housing, so that corrosion inside the tornado detection device can be prevented. The air resistance exerted on the movement of the magnetic plate can be reduced by efficiently discharging the air between the magnetic plate plates during the operation of the tornado detection device.

  Exemplary embodiments of a tornado detection device according to the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a configuration diagram showing the inside of the tornado detection device A. In addition, this invention is not limited by Example 1 shown below.

[Outline and Features of Tornado Detection Device A]
Here, in the tornado detection device A of the present invention, when the wind in the tornado rises while swirling, it is accompanied by a strong wind (60 m / s or more) that is not comparable to the wind speed of the typhoon (about 20 m / s). The amount of flight of the blade member 2 that is blown upward by such a strong wind is detected by a combination of three magnetic plate plates 13, 14, and 15 having different weights, and the pair with the heaviest weight is detected. It is configured to detect that a tornado has occurred when combined.

  In other words, a tornado is a swirl phenomenon with an updraft that extends from the ground to the cloud along with cumulonimbus clouds, and the surrounding air rises with a tremendous momentum, and the wind speed of typhoon is according to the air flow Since it is a phenomenon accompanied by a strong wind that cannot be compared, the tornado detection device A of the first embodiment causes a violent strong wind generated when the tornado approaches to the blade member 2 and the flight amount of the blade member 2. Similarly, it is characterized by detection by a combination of three magnetic plate plates 13, 14, 15 having different weights that rise upward.

  In brief, when the blade member 2 flies high due to the strong wind accompanying the generation of the tornado, the light weight magnetic plate plate 15 having a different weight according to the flying amount (the flying height) of the blade member 2, the medium amount The magnetic plate plate 14 and the heavy magnetic plate plate 13 are sequentially moved upward by the lifting plate 22 of the lifting wire 20 connected to the lower end of the blade member 2, and all the magnetic plate plates 13, 14, 15 are moved. When moving up in the joined state (see FIG. 5), it is detected that a violent strong wind has been generated, thereby detecting the occurrence of a tornado.

  At this time, a closed circuit with any one of the power supply circuits 35, 36, 37 is formed by the combination of the magnetic plate plates 13, 14, 15 that are joined (magnetized) with the flight of the blade member 2 (energized state), Thereby, the notification of the tornado generation to the surroundings by the buzzer sound of the buzzer 34 and the transmission of the tornado generation signal to the outside by the transmitter 32 are performed.

[Overall configuration of tornado detection device A]
Hereinafter, the overall configuration of the tornado detection device A according to the first embodiment will be described with reference to FIG. As shown in the figure, the tornado detection device A is composed of a substantially cylindrical device main body 1, and a main body provided with three magnetic plate plates 13, 14, 15 inside the device main body 1. Part 10 is provided.

  In addition, a blade member 2 that flies in the vertical direction (up and down in FIG. 1) according to wind strength (weak wind, medium wind, strong wind) is provided on the upper surface of the apparatus main body 1. The blade member 2 functions as a wind force detection means for detecting the strength of wind formed by a reinforced plastic material having a crescent shape. Further, one side (left side in FIG. 1) of the apparatus main body 1 is formed as a distribution circuit space 30 in which a plurality of power supply circuits 35, 36, 37, a transmitter 32, and the like are disposed.

  That is, as shown in FIG. 1, the main body portion 10 is configured by a cylindrical shape having a circular top plate 11 and a bottom plate 12, and the inside of the main body portion 10 has the heaviest weight from the top. A heavy magnetic plate 13, a medium weight magnetic plate 14, and a lightest magnetic plate 15 are sequentially disposed. Since these three magnetic plate plates 13, 14, and 15 are made of a magnetic material, the magnetic plate plates 13, 14, and 15 are integrated by magnetization when energized. The weight of each of the magnetic plate plates 13, 14 and 15 can be appropriately selected according to the area, place, condition, etc. where the tornado detection device A is installed.

  In addition, small uneven portions (not shown) are formed on the peripheral portions of the three magnetic plate plates 13, 14, and 15, and the magnetic plate plates are used by using the uneven portions during maintenance. By inserting a flathead screwdriver or the like into the gap, the magnetic plate plates joined by magnetization can be separated.

  Further, a through hole 16 is formed at substantially the center of these three magnetic plate plates 13, 14, 15, and a thin and flexible elevating wire 20 is inserted into each through hole 16. That is, as shown in the figure, the elevating wire 20 has its upper end fixed to the base end of the blade member 2 and the first, second, and third magnetic plate plates 13, 14, 15. The first, second, and third magnetic plate plates 13, 14, 15 are penetrated through a through-hole 16 formed substantially at the center, and a lifting plate 22 fixed to the lower end of the lifting wire 20. Is provided in accordance with the flying amount of the blade member 2.

  Further, the magnetic plate plates 13, 14, 15 are placed at predetermined intervals by protrusions 17 made of rubber material fixedly provided at three locations (positions on both sides) of the inner peripheral surface of the main body 10. Since a hard rubber material is used for the protrusion 17, the magnetic plate plates 13, 14, and 15 disposed in the main body 10 are placed at a predetermined interval by the protrusion 17 and moved up and down. As the wire 20 rises, the magnetic plate plates 13, 14, 15 can be allowed to move upward (upper side in FIG. 1).

  In addition, a long cylindrical portion 25 for holding an elevating wire 20 that moves up and down inside is fixed at a substantially central portion of the top plate 11 constituting the main body portion 10. The upper end portion of the cylindrical portion 25 is located at the lower end portion of the stopper 21 connected to the lower side of the blade member 2.

  Further, as shown in FIG. 1, the main body 10 constituting the tornado detection device A has a sealed structure for the purpose of waterproofing and the like, but since rainwater may leak inside, the main body 10 A drain port 18 formed in a circular shape for discharging rainwater or the like entering the inside is provided in a substantially central portion of the bottom plate 12 of the ten. The drain port 18 also functions as an air discharge port for discharging compressed air generated when the first, second, and third magnetic plate plates 13, 14, and 15 are moved up and down in the main body 10. In addition, the through hole 16 for inserting the lifting wire 20 formed in the magnetic plate plates 13, 14, 15 also functions as a drain outlet for discharging rainwater or the like that has entered the main body 10 of the tornado detection device A.

  Further, as shown in FIG. 1, inside the distribution circuit space 30, a transmitter 32 with an antenna 31 attached, a wind power adjustment switch 33, a buzzer 34 for outputting an alarm sound, and three power supply circuits 35. , 36, and 37 are disposed. These power supply circuits 35, 36, and 37 form an energization circuit of a predetermined route by a combination of the three magnetic plate plates 13, 14, and 15. That is, these three power supply circuits 35, 36, and 37 are composed of a transmitter 32 and a buzzer by a combination of three magnetic plate plates 13, 14, and 15 that come in contact according to the wind intensity detected by the tornado detector A. It functions as a power supply circuit for operating 34.

  The wind power adjustment switch 33 is a switch that appropriately adjusts the detection state for three wind powers (weak wind (about 20 m / s), medium wind (about 40 m / s), strong wind (about 60 m / s)) as a tornado. (It is a switch that can be adjusted in three stages according to the strength of the wind.)

  More specifically, for example, when the wind power adjustment switch 33 is set on the low wind side, the buzzer 34 sounds when the weakest wind is detected, and the wind force adjustment switch 33 is set on the medium wind side. In this case, the buzzer 34 sounds when it detects that moderate wind has occurred, and when the wind force adjustment switch 33 is set to the strong wind side, it detects that the strongest strong wind (tornado) has occurred. If this happens, the buzzer 34 will ring at a high volume.

  In this way, the wind force adjustment switch 33 can be adjusted to several types (three levels) according to the wind speed. Therefore, when the purpose is to detect a tornado, it is set to “strong” and is usually used at home for a while. Since it can be set to “weak” when the purpose is to detect a wind that blows laundry with a strong wind, it can be used for various purposes other than tornado detection.

  Here, when the tornado detection device A is used in a range where the ringing sound by the buzzer 34 can be heard, the transmitter 32 is not necessary, so that the cost can be reduced as a smaller tornado detection device. Alternatively, by arranging a plurality of devices set in three stages, it is possible to estimate from the transmission source how much wind is blowing. That is, all the tornadoes from F0 to F3 or higher can be observed with the “Fujita scale” representing the strength of the tornado. The adjustment of the wind force is performed by adjusting the shape of the blade member 2 flying with a strong wind and the weight of the magnetic plate plates 13, 14, 15 by a test in the wind tunnel.

  The tornado detection device A configured as described above can be easily attached to a utility pole (see FIG. 6) or the like using the three mounting brackets 40 fixed on one side of the main body 10.

[Description of Operation by Tornado Detection Device A]
Next, referring to FIGS. 2 to 5, a plurality of tornado detectors A (low wind (about 20 m / s), medium wind (about 40 m / s), strong wind (about 60 m / s) as a tornado) ) Will be described in accordance with the wind strength. FIG. 2 shows the internal state of the tornado detection device A in a state where no wind is generated. As shown in FIG. 2, the blade member 2 remains stopped on the cylindrical portion 25 because there is no wind. And never fly upwards. For this reason, the raising / lowering wire 20 connected to the blade member 2 does not rise, and the three magnetic plate plates 13, 14, 15 are respectively placed on the protrusions 17.

  FIG. 3 shows a state when a weak wind is generated. As shown in the figure, when a weak wind is generated in this way, (1) the blade member 2 is lifted by a predetermined amount from the upper part of the cylindrical portion 25 by the wind force caused by the weak wind. The wire 20 is also pulled upward by a predetermined amount. (2) Thereby, the magnetic plate plate 15 is pulled by the lifting wire 20 in a state where the lifting plate 22 attached and fixed to the lower end portion of the lifting wire 20 is in contact with the bottom of the lightest magnetic plate plate 15. Move upward.

  Further, since the upper surface portion of the magnetic plate plate 15 moved upward in this way comes into contact with the lower surface portion of the magnetic plate plate 14 located above, the magnetic plate plate 14, the magnetic plate plate 15, and the power supply circuit 35. Then, a closed circuit with the wind force adjustment switch 33 and the buzzer 34 is formed (energized state). In this case, the magnetic plate plate 14 and the magnetic plate plate 15 are magnetized and coupled by energization. Further, when the wind force adjustment switch 33 is set on the low wind side, the buzzer 34 sounds. That is, the tornado detection device A detects that a weak wind has occurred.

  FIG. 4 shows a case where moderate wind is generated. As shown in the figure, when a moderate wind is generated, (1) the blade member 2 is lifted from the upper part of the cylindrical portion 25 by a wind force caused by a medium wind, and therefore connected to the blade member 2. Similarly, the lifted wire 20 is pulled upward by a predetermined amount.

  (2) Thereby, the magnetic plate plate 15 is pulled by the lifting wire 20 in a state where the lifting plate 22 attached and fixed to the lower end of the lifting wire 20 is in contact with the bottom of the lightest magnetic plate plate 15. Since the upper surface portion of the magnetic plate plate 15 moved upward is in contact with the lower surface portion of the magnetic plate plate 14, the magnetic plate plate 14 is also moved upward together with the magnetic plate plate 15. Move towards.

  (3) Then, the magnetic plate plate 14 is stopped in a state where the upper surface portion of the magnetic plate plate 14 is in contact with the lower surface portion of the magnetic plate plate 13 positioned above the magnetic plate plate 14. Thereby, as shown in FIG. 4, the closed circuit of the magnetic plate board 13, the magnetic plate board 15, the power supply circuit 36, the wind force adjustment switch 33, and the buzzer 34 is formed (energized state).

  In this case, the magnetic plate plate 13, the magnetic plate plate 14, and the magnetic plate plate 15 are magnetized and coupled by energization. When the wind power adjustment switch 33 is set to the middle wind side, the buzzer 34 is activated to notify that a medium wind has been generated. That is, the tornado detection device A detects that a moderate wind has occurred.

  FIG. 5 shows a case where a strong wind is generated. As shown in the figure, when a strong wind is generated, (1) the blade member 2 is lifted by a predetermined amount by the wind force of the strong wind, so the lifting wire 20 connected to the blade member 2 is also pulled greatly upward. . (2) Thereby, the magnetic plate plate 15 is pulled by the lifting wire 20 in the state where the lifting plate 22 attached and fixed to the lower end portion of the lifting wire 20 is in contact with the bottom portion of the magnetic plate plate 15 and is directed upward. Since the upper surface portion of the magnetic plate plate 15 that has moved and thus moved upward contacts the lower surface portion of the magnetic plate plate 14 positioned above, the magnetic plate plate 14 also moves upward along with the magnetic plate plate 15. Move towards

  (3) In this case, since the elevating wire 20 is further raised by the rise of the blade member 2 flying by strong wind, the upper surface portion of the magnetic plate plate 14 abuts on the lower surface portion of the heaviest magnetic plate plate 13 along with this, Thereby, the magnetic plate plate 13 also rises as the lifting wire 20 rises, and stops in a state where the upper surface portion of the magnetic plate plate 13 is in contact with the lower side of the top plate 11.

  Thereby, as shown in FIG. 5, the closed circuit of the top plate 11, the magnetic plate plate 15, the power supply circuit 37, the wind force adjustment switch 33, and the buzzer 34 is formed (energized state). In this case, the top plate 11, the magnetic plate plate 13, the magnetic plate plate 14, and the magnetic plate plate 15 are magnetized and coupled by energization. When the wind power adjustment switch 33 is set to the strong wind side (tornado detection side), the buzzer 34 is activated to notify that a tornado has occurred. That is, the tornado detection device A detects that a strong wind has occurred. In this case, a buzzer sound for notifying the occurrence of a tornado is emitted by the buzzer 34, and furthermore, the fact that a tornado has occurred through the antenna 31 of the transmitter 32 is wirelessly communicated to the disaster prevention center (FIG. 6).

  As described above, in the first embodiment, the notification by the buzzer sound of the buzzer 34 is performed only when any one of the weak wind, the medium wind, and the strong wind is detected. However, the weak wind is detected. If a buzzer sound of a small volume sounds from the buzzer 34 and a medium wind is detected, a buzzer sound of a medium volume sounds and a strong wind such as a tornado is detected. The buzzer can be configured to sound.

[Installation example of tornado detector A]
Next, an installation example of the tornado detection device A will be described with reference to FIG. FIG. 6 is a diagram showing an installation example in which a tornado detecting device A shown in the present embodiment is installed in a town having a radius of about 1 km. As shown in the figure, in the case of a town having a radius of about 1 km, a predetermined number (about 60) of tornado detectors A shown in the present embodiment is installed for every 100 m of electric poles around the town. .

  In the tornado detection device A shown in the figure, when the tornado detection device A detects a tornado, the notification of the tornado occurrence to the surroundings by the buzzer sound of the buzzer 34 and the transmission of the tornado generation signal to the disaster prevention center by the transmitter 32. Done. In this case, as soon as the radio wave from the transmitter 32 of the tornado detection device A is received, the disaster prevention center issues an alarm with the disaster prevention radio.

  Thus, when the tornado detection device A shown in the first embodiment is installed with 60 tornado detection devices A every 100 m between the electric poles around the city, the “Fujita scale” representing the strength of the tornado indicates F3 class. Can be detected even if a tornado occurs (as an example, the movement speed is about 13 m / s, the movement distance is about 19 km, the damage width is a maximum of 550 m, and the tornado intensity has been observed for 23 minutes).

  As described above, the tornado detection device A according to the first embodiment is provided with the blade member 2 that flies according to the strength of the wind on the upper surface side, and the small members disposed at predetermined intervals inside the housing. The upper end of the heavy magnetic plate 15, the medium magnetic plate 14, the heavy magnetic plate 13, and the base end of the blade member 2 are fixed, and the first, second and third The first magnetic plate plate among the first, second, and third magnetic plate plates 13, 14, 15 passes through the through-hole 16 formed at substantially the center of the magnetic plate plates 13, 14, 15. The first, second, and third magnetic plate plates 13, 14, and 15 are arranged according to the flying amount of the blade member 2 in a state where the 13, 14, 15 or the plurality of magnetic plate plates 13, 14, 15 are combined. It is configured with a lifting wire 20 that moves up and down, so it looks like a tornado After that can be used as an apparatus for measuring the violent winds, it is possible to realize a structure is simple and inexpensive device.

  Regarding the embodiment including the above-described Example 1, the following additional notes are further disclosed.

(Supplementary note 1) A tornado detection device that detects the generation of a tornado by detecting a strong wind by a blade member that is arranged on an upper surface of the casing and flies according to the strength of the wind, and includes a predetermined amount inside the casing. A small weight first magnetic plate plate, a medium weight second magnetic plate plate, a large weight third magnetic plate plate, and a top end at the base end of the blade member. And the first, second, and third magnetic plate plates through the through hole formed in the substantially central portion, and depending on the flying amount of the blade member, the first, second, The first magnetic plate plate of the third magnetic plate plate, or a lifting wire for raising and lowering a combination of a plurality of magnetic plate plates, and the first, second and third magnets as the lifting wire is raised Combination of magnetic plate plates with different weights Contact detection means for detecting the contact by contact between the plate plates, and the contact detection means detects contact by a combination of the magnetic plate plates that are the heaviest among the first, second, and third magnetic plate plates. A weight detection means for detecting the occurrence of a tornado when the combination of the magnetic plate plates having the largest weight is detected by the weight detection means; Tornado detector.

(Additional remark 2) The said alerting | reporting means alert | reports generation | occurrence | production of a tornado by a buzzer sound, when the combination of the magnetic plate board which becomes the largest weight is detected by the said weight detection means. Tornado detection device.

(Additional remark 3) The transmitter which transmits the predetermined signal regarding a wind speed to an external disaster prevention center is further provided, and the said transmitter is a tornado when the combination of the magnetic plate board which becomes the most weight is detected by the said weight detection means. 3. A tornado detection device according to appendix 1 or 2, wherein a signal indicating that is generated is transmitted.

(Additional remark 4) The protrusion part which consists of an elastic body which mounts said 1st magnetic plate board, 2nd magnetic plate board, and 3rd magnetic plate board in predetermined spacing on the internal peripheral surface of the said housing | casing Are provided, respectively. The tornado detection device according to appendix 1, 2, or 3.

(Additional remark 5) The tornado as described in any one of additional remark 1 to 4 in which the discharge port for discharging | emitting the water which penetrate | invaded in the said housing | casing is formed in the bottom plate part of the said housing | casing Detection device.

(Appendix 6) A through hole formed in a substantially central portion of the first, second, and third magnetic plate plates functions as a discharge port for discharging water that has entered the housing. The tornado detection device according to any one of supplementary notes 1 to 5.

  The present invention is useful when detecting a tornado, and is particularly effective as a simple and inexpensive tornado detection device capable of detecting intense strong winds such as tornadoes.

It is a block diagram which shows the inside of the tornado detection apparatus which concerns on Example 1. FIG. It is explanatory drawing which shows the state inside the tornado detection apparatus A of a windless state. It is explanatory drawing explaining the operation | movement at the time of the weak wind detection by the tornado detection apparatus A. FIG. It is explanatory drawing explaining operation | movement at the time of the detection of the moderate wind by the tornado detection apparatus A. It is explanatory drawing explaining the operation | movement at the time of the strong wind detection by the tornado detection apparatus A. FIG. It is explanatory drawing which shows the example of installation of the tornado detection apparatus A which makes a city an example.

Explanation of symbols

A Tornado detection device 1 Device main body 2 Blade member 10 Main body portion 11 Top plate 12 Bottom plate 13, 14, 15 Magnetic plate plate 16 Through hole 17 Protrusion portion 18 Drain port 20 Lifting wire 21 Stopper 22 Lifting plate 25 Tube portion 30 Power distribution circuit space 31 Antenna 32 Transmitter 33 Wind Adjustment Switch 34 Buzzer 35, 36, 37 Power Circuit 40 Mounting Bracket

Claims (5)

A tornado detection device that detects the occurrence of a tornado by detecting strong wind by a blade member that is arranged on the upper surface of the housing and flies according to the strength of the wind,
Inside the housing, a small weight first magnetic plate plate, a medium weight second magnetic plate plate, and a large weight third magnetic plate plate, which are sequentially arranged from below at predetermined intervals,
The upper end of the blade member is fixed to the base end of the blade member, and the amount of flight of the blade member passes through a through-hole formed in substantially the center of the first, second, and third magnetic plate plates. In accordance with, the first magnetic plate plate of the first, second, third magnetic plate plate or a lifting wire for raising and lowering a combination of a plurality of magnetic plate plates,
Contact detecting means for detecting a combination of magnetic plate plates having different weights among the first, second and third magnetic plate plates as the lifting wire is raised, by contact between the plate plates;
Weight detecting means for detecting that contact by the combination of the magnetic plate plates having the largest weight among the first, second and third magnetic plate plates is detected by the contact detecting means;
Informing means for informing the outside of the occurrence of a tornado when a combination of magnetic plate plates that is the largest weight is detected by the weight detecting means,
A tornado detection device comprising:   2. The tornado detection device according to claim 1, wherein, when the weight detection unit detects a combination of magnetic plate plates that has the largest weight, the notification unit notifies generation of a tornado by a buzzer sound. .   The transmitter further includes a transmitter that transmits a predetermined signal related to wind speed to an external disaster prevention center, and the transmitter generates a tornado when the weight detection unit detects a combination of the magnetic plate plates that is the heaviest. The tornado detection device according to claim 1, wherein a signal indicating that the tornado is transmitted.   Protrusions made of an elastic body for placing the first magnetic plate plate, the second magnetic plate plate, and the third magnetic plate plate at a predetermined interval are provided on the inner peripheral surface of the housing. The tornado detection device according to claim 1, 2, or 3.   The tornado detection device according to any one of claims 1 to 4, wherein a discharge port for discharging water that has entered the housing is formed in a bottom plate portion of the housing.

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