JPH068865B2 - Snow thickness management / maintenance equipment - Google Patents
Snow thickness management / maintenance equipmentInfo
- Publication number
- JPH068865B2 JPH068865B2 JP3049357A JP4935791A JPH068865B2 JP H068865 B2 JPH068865 B2 JP H068865B2 JP 3049357 A JP3049357 A JP 3049357A JP 4935791 A JP4935791 A JP 4935791A JP H068865 B2 JPH068865 B2 JP H068865B2
- Authority
- JP
- Japan
- Prior art keywords
- snow
- thickness
- snow thickness
- maintenance
- radar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Description
【０００１】[0001]
【産業上の利用分野】本発明は、例えば人工降雪機を使
用した人工スキー場、特に屋内において人工的な床構造
の上に設けられる人工スキー場における積雪厚の管理・
整備装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the management of snow thickness in an artificial ski resort using, for example, an artificial snowfall machine, particularly in an artificial ski resort provided indoors on an artificial floor structure.
Regarding maintenance equipment.
【０００２】[0002]
【従来の技術】従来の積雪厚の計測は、計測地点にポー
ル等を立て、そのポール等の上に超音波等のセンサを設
け、積雪の時点で雪面までの距離を計測し、既知の地面
までの距離と、計測した雪面までの距離との差から積雪
厚を求め、又は、雪面に定規を差し込むか、あらかじめ
定規を設置しておき、それらの定規で積雪厚を計るよう
にしていた。2. Description of the Related Art Conventionally, the thickness of snow is measured by setting a pole or the like at a measurement point, installing a sensor such as an ultrasonic wave on the pole, and measuring the distance to the snow surface at the time of snow accumulation. Obtain the snow thickness from the difference between the distance to the ground and the measured distance to the snow surface, or insert a ruler on the snow surface or install a ruler in advance and measure the snow thickness with these rulers. Was there.
【０００３】[0003]
【発明が解決しようとする課題】従来の方法では、計測
精度が不十分で、かつ、整備すべき面全域にわたって計
測することが困難であり、したがって、積雪厚のデータ
が不十分で整備装置である雪上車の作業は、操縦者の勘
に頼るところが多く、精度及び効率の良い整備が困難で
あった。According to the conventional method, the measurement accuracy is insufficient, and it is difficult to measure over the entire surface to be maintained. For the work of a snow vehicle, it often depends on the intuition of the operator, and it has been difficult to maintain accurate and efficient maintenance.
【０００４】本発明は、精度及び効率の良い積雪厚の管
理・整備装置を提供することを目的としている。An object of the present invention is to provide an accurate and efficient snow thickness management / maintenance device.
【０００５】[0005]
【課題を解決するための手段】本発明によれば、測定地
表面適所に設置した金属体と自走式雪厚整備装置とから
なり、該整備装置には整備手段と、該整備手段を上下動
する上下動手段と、前記金属体を検知するレーダと、該
レーダからの信号に基づき伝搬時間から積雪厚を算出す
る算出手段と、該算出手段からの信号に基づきリアルタ
イムに検知した積雪厚値と設定値とを比較し前記上下動
手段を制御して積雪厚を設定値に調整する制御手段とが
設けられている。According to the present invention, a self-propelled snow thickness maintenance device and a metal body installed in an appropriate place on the ground surface are provided, and the maintenance device includes the maintenance means and the maintenance means up and down. Up-and-down moving means, a radar for detecting the metal body, a calculating means for calculating the snow thickness from the propagation time based on the signal from the radar, and a snow thickness value detected in real time based on the signal from the calculating means And a set value are compared with each other to control the vertical movement means to adjust the snow thickness to the set value.
【０００６】上記金属体は、帯状に加工したアルミ箔な
ど、又は、メッシュ状に組んだ針金などの線状の金属で
構成し、例えば人工ゲレンデの床部に長手方向に直交し
て複数列を敷設するのが好ましい。The metal body is made of a linear metal such as a strip-shaped aluminum foil or a wire assembled in a mesh shape, and for example, a plurality of rows are formed in the floor of the artificial slope in a direction orthogonal to the longitudinal direction. It is preferable to lay it.
【０００７】また、整備装置は、キャタピラを備えた雪
上車で構成するのが好ましい。Further, it is preferable that the maintenance device is composed of a snow vehicle equipped with a caterpillar.
【０００８】また、整備手段及び上下動手段は、公知の
ブレード及び油圧シリンダで構成するのが好ましい。こ
の制御は作業員が積雪厚と設定値を目視で比較してもよ
く、また自動的に行ってもよい。Further, the maintenance means and the vertical movement means are preferably constituted by known blades and hydraulic cylinders. This control may be performed by an operator visually comparing the snow thickness with the set value, or may be automatically performed.
【０００９】また、レーダは、ブレードの前に設けるの
が好ましいが、ブレードを支持するアームの中間部分に
設けてもよい。The radar is preferably provided in front of the blade, but it may be provided at an intermediate portion of an arm supporting the blade.
【００１０】また、算出手段は、レーダに接続された積
雪厚換算機能で構成し、あらかじめ人工ゲレンデの雪の
誘電率、透過時間をインプットしておくのが好ましい。Further, it is preferable that the calculating means is composed of a snow thickness conversion function connected to a radar, and inputs the permittivity and the transmission time of snow on the artificial slope in advance.
【００１１】また、制御手段は、積雪厚換算機能に接続
された制御ユニットで構成し、該ユニットをマイクロコ
ンピュータで構成してあらかじめ積雪厚の設定値をイン
プットしておくのが好ましい。Further, it is preferable that the control means is composed of a control unit connected to the snow thickness conversion function, and the unit is composed of a microcomputer to input a preset value of the snow thickness in advance.
【００１２】[0012]
【作用】上記のように構成された積雪厚の管理・整備装
置においては、レーダから発信したパルス状の電波は、
雪中を通過して誘電体で反射され、再び雪中を通過して
レーダに受信される。すると、積雪厚換算機能は、パル
ス発射時刻と反射波到着時刻との差の通過時間からあら
かじめインプットされている雪の誘電率と通過時間とに
基づき雪の厚さを算出する。そこで、作業員又は制御ユ
ニットは、その積雪厚の信号値と設定値とを比較して油
圧シリンダを伸縮し、ブレードを上下動して雪を押し出
し、凹凸を均しながら積雪厚を設定値に一致させるよう
に調整する。In the snow thickness management / maintenance device configured as described above, the pulsed radio waves transmitted from the radar are
After passing through the snow, it is reflected by the dielectric, passes through the snow again, and is received by the radar. Then, the snow thickness conversion function calculates the snow thickness based on the permittivity of snow and the transit time which are input in advance from the transit time of the difference between the pulse emission time and the reflected wave arrival time. Therefore, the operator or the control unit compares the snow thickness signal value with the set value, expands and contracts the hydraulic cylinder, moves the blade up and down to push out the snow, and level the unevenness to set the snow thickness to the set value. Adjust to match.
【００１３】[0013]
以下図面を参照して本発明の実施例を説明する。 Embodiments of the present invention will be described below with reference to the drawings.
【００１４】第１図及び第２図において、本発明による
装置は、人工ゲレンデ１の表面適所に設置された金属体
３と、整備装置である雪上車１０とからなっている。In FIGS. 1 and 2, the device according to the present invention comprises a metal body 3 installed on an appropriate surface of an artificial slope 1 and a snowmobile 10 as a maintenance device.
【００１５】前記金属体３は、帯状に加工したアルミ箔
など、又は、メッシュ状に組んだ針金などの線状の金属
をゲレンデ１の床部２に長手方向に直交して複数列が敷
設されている。なお、図中の符号４は人工芝である。The metal body 3 is formed by laying a plurality of rows of linear metal such as a strip-shaped aluminum foil or a wire assembled in a mesh shape on the floor 2 of the slope 1 at right angles to the longitudinal direction. ing. Reference numeral 4 in the figure is an artificial grass.
【００１６】前記雪上車１０は、キャタピラ１１、１１
を備え積雪Ａ上を自走自在であり、前部には整備手段で
あるブレード１２が設けられている。そのブレード１２
は、アーム１３により支持され、上下動手段である油圧
シリンダ１４により上下動されるようになっている。The snow vehicle 10 has tracks 11 and 11.
It is self-propelled on snow A and has a blade 12 as a maintenance means at the front. That blade 12
Is supported by an arm 13 and is moved up and down by a hydraulic cylinder 14 which is a vertically moving means.
【００１７】前記アーム１３の中間部には、レーダ２０
が設けられ、送信器２１（第３図）からゲレンデ１の床
面２に向け角度θの範囲（例えば９０°）でパルス状の
電波を発射するようになっている。なお、レーダ２０
は、ブレード１２の前に、そして、運転席１５には第４
図に示すような表示装置２５が設けられている。A radar 20 is provided in the middle of the arm 13.
Is provided to emit pulsed radio waves from the transmitter 21 (FIG. 3) toward the floor surface 2 of the slope 1 in the range of the angle θ (for example, 90 °). The radar 20
In front of the blade 12 and in the driver's seat 15
A display device 25 as shown is provided.
【００１８】第３図において、レーダ２０には、送信器
２１と受信器２２とが設けられ、送信器２１からパルス
状の電波Ｂを積雪Ａに発射し、その電波Ｂが雪中を通過
して金属体３によって反射され、再び雪中を通過した電
波Ｃを受信器２２で受信できるようになっている。そし
て、レーダ２０には、伝搬時間計測機能２３が設けられ
ている。この機能２３には、算出手段である積雪厚換算
機能２４が接続され、その機能２４には表示装置２５が
設けられ、更に制御手段であるマイクロコンピュータで
構成された制御ユニット２６が接続されている。この制
御ユニット２６には、シリンダ１４が接続されている。In FIG. 3, the radar 20 is provided with a transmitter 21 and a receiver 22, which emits a pulsed radio wave B to the snow A, and the radio wave B passes through the snow. The radio wave C reflected by the metal body 3 and passed through the snow again can be received by the receiver 22. The radar 20 is provided with a propagation time measuring function 23. The function 23 is connected to a snow thickness conversion function 24 which is a calculation means, a display device 25 is provided to the function 24, and a control unit 26 which is composed of a microcomputer which is a control means is connected to the function 24. . The cylinder 14 is connected to the control unit 26.
【００１９】整備に際し、雪上車１０を走行し、送信器
２１からパルス状の電波Ｂを発射し、金属体３で反射さ
れた電波Ｃを受信器２２で受信する。すると、伝搬時間
計測機能２３は、パルス発射時刻と反射波到着時刻との
差から伝搬時間を計測する。そこで、積雪厚換算機能２
４は、雪中の電波の透過時間は、雪の厚さと雪の誘電率
に主に比例する原理に基づき、あらかじめ別の方法で計
測しインプットされている人工ゲレンデ１の雪の誘電率
と透過時間とからリアルタイムに雪の厚さを算出し、表
示装置２５に表示する。そして、制御ユニット２６は、
積雪厚換算機能からの積雪厚値とあらかじめインプット
された積雪厚の設定値とを比較してシリンダ１４を伸縮
し、ブレード１２を上下動して雪を押し出し、凹凸を均
しながら積雪厚Ｔを設定値Ｔ0 に一致させるように自動
的に調整する。しかしながら、この作業は作業員が目視
で行ってもよい。なお、積雪厚Ｔの表示は、具体的な数
値でなくても、厚い、薄い、丁度良いなどの抽象的表現
であっても良い。During maintenance, the snowmobile 10 travels, a pulsed radio wave B is emitted from the transmitter 21, and the radio wave C reflected by the metal body 3 is received by the receiver 22. Then, the propagation time measuring function 23 measures the propagation time from the difference between the pulse emission time and the reflected wave arrival time. Therefore, snow thickness conversion function 2
4 shows that the transmission time of radio waves in snow is based on the principle that it is mainly proportional to the thickness of snow and the permittivity of snow. The thickness of snow is calculated in real time from time and is displayed on the display device 25. The control unit 26 then
By comparing the snow thickness value from the snow thickness conversion function with the preset value of the snow thickness input in advance, the cylinder 14 is expanded and contracted, the blade 12 is moved up and down to push out the snow, and the snow thickness T is equalized while smoothing the unevenness. It is automatically adjusted to match the set value T 0 . However, this work may be visually performed by a worker. It should be noted that the display of the snow thickness T is not limited to a specific numerical value, but may be an abstract expression such as thick, thin, or just right.
【００２０】[0020]
【発明の効果】本発明は、以上説明したように構成され
ているので、積雪面全域を精度良く高効率で目標積雪厚
に管理・整備することができる。Since the present invention is configured as described above, the entire snow surface can be accurately managed with high efficiency to the target snow thickness.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明の一実施例を示す側面図。FIG. 1 is a side view showing an embodiment of the present invention.
【図２】金属体の配置を示す人工ゲレンデの斜視図。FIG. 2 is a perspective view of an artificial slope showing an arrangement of metal bodies.
【図３】制御ブロック図。FIG. 3 is a control block diagram.
【図４】表示装置の斜視図。FIG. 4 is a perspective view of a display device.
Ａ・・・積雪 Ｔ・・・積雪厚 Ｔ0 ・・・設定値 １・・・人工ゲレンデ ３・・・金属体 １０・・・雪上車 １２・・・ブレード １４・・・油圧シリンダ ２０・・・レーダ ２３・・・伝搬時間計測機能 ２６・・・制御ユニットA ... Snow cover T ... Snow cover thickness T 0 ... Set value 1 ... Artificial slope 3 ... Metal body 10 ... Snow vehicle 12 ... Blade 14 ... Hydraulic cylinder 20 ...・ Radar 23 ・ ・ ・ Propagation time measurement function 26 ・ ・ ・ Control unit
───────────────────────────────────────────────────── フロントページの続き (72)発明者 松井 信行 東京都港区元赤坂一丁目２番７号 鹿島建 設株式会社内 (72)発明者 松本 功 東京都三鷹市下連雀５丁目１番１号 日本 無線株式会社内 (72)発明者 本田 舜二 東京都三鷹市下連雀５丁目１番１号 日本 無線株式会社内 (72)発明者 谷井 信也 東京都三鷹市下連雀５丁目１番１号 日本 無線株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Nobuyuki Matsui 1-2-7 Moto-Akasaka, Minato-ku, Tokyo Kashima Construction Co., Ltd. (72) Isao Matsumoto 5-1-1 Shirenrenjaku, Mitaka City, Tokyo Within Japan Radio Co., Ltd. (72) Inventor Shunji Honda, 1-1, Shimorenjaku, Mitaka-shi, Tokyo Within Japan Radio Co., Ltd. (72) Innovator, Shinya Yai 5-1-1, Shimorenjaku, Mitaka-shi, Tokyo Japan Radio Co., Ltd. In the company
Claims (1)
式雪厚整備装置とからなり、該整備装置には整備手段
と、該整備手段を上下動する上下動手段と、前記金属体
を検知するレーダと、該レーダからの信号に基づき伝搬
時間から積雪厚を算出する算出手段と、該算出手段から
の信号に基づきリアルタイムに検知した積雪厚値と設定
値とを比較し前記上下動手段を制御して積雪厚を設定値
に調整する制御手段とが設けられていることを特徴とす
る積雪厚の管理・整備装置。1. A metal body which is installed at a proper place on a measurement surface and a self-propelled snow thickness maintenance device, and the maintenance device includes a maintenance means, a vertical movement means for moving the maintenance means up and down, and the metal body. A radar for detecting the snowfall, a calculation means for calculating the snowfall thickness from the propagation time based on a signal from the radar, and a snowfall value detected in real time based on the signal from the calculation means and a set value to compare the vertical movement. A snow thickness management / maintenance device, which is provided with a control means for controlling the means to adjust the snow thickness to a set value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3049357A JPH068865B2 (en) | 1991-03-14 | 1991-03-14 | Snow thickness management / maintenance equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3049357A JPH068865B2 (en) | 1991-03-14 | 1991-03-14 | Snow thickness management / maintenance equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04285886A JPH04285886A (en) | 1992-10-09 |
| JPH068865B2 true JPH068865B2 (en) | 1994-02-02 |
Family
ID=12828769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3049357A Expired - Lifetime JPH068865B2 (en) | 1991-03-14 | 1991-03-14 | Snow thickness management / maintenance equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH068865B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180052364A (en) * | 2016-11-10 | 2018-05-18 | 주식회사 크래카 | Measurement system using ultra wide band radar |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2335692A1 (en) * | 2001-02-13 | 2002-08-13 | Kabushiki Kaisha Piste Snow Industries | System and method for maintaining a ski slope using snowmaking apparatuses |
-
1991
- 1991-03-14 JP JP3049357A patent/JPH068865B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180052364A (en) * | 2016-11-10 | 2018-05-18 | 주식회사 크래카 | Measurement system using ultra wide band radar |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04285886A (en) | 1992-10-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20240084529A1 (en) | Determining milled volume or milled area of a milled surface | |
| US8070385B2 (en) | Paving machine control and method | |
| US7643923B2 (en) | Method and device for monitoring a road processing machine | |
| US8794868B2 (en) | Optical guidance system for a laying engine for producing a concrete or asphalt top layer | |
| CN212983528U (en) | Road finishing machine | |
| US9970180B2 (en) | System for machine control | |
| US8345926B2 (en) | Three dimensional scanning arrangement including dynamic updating | |
| DE69910571D1 (en) | DEVICE FOR DETERMINING THE CONTOUR OF A ROAD SURFACE | |
| CN101517358B (en) | Three-dimensional measurement system and rescaling method using indoor GPS | |
| GB2101742A (en) | Determining the position of a forwarding pipe or tunnel section | |
| KR20130088014A (en) | Positioning apparatus for excavating and similar equipment | |
| JP2000075032A (en) | Method for detecting and estimating presence of obstacle on traveling path | |
| CN109750580A (en) | Making thickness degree is measured by road roller | |
| AU2014202002A1 (en) | Apparatus and Method for Determining a Vehicle Feature | |
| KR101921959B1 (en) | Autonomous Compaction Device, Method and Program to improve a quality of a compaction near pipes | |
| US20040086337A1 (en) | Transducer arrangement | |
| JPH068865B2 (en) | Snow thickness management / maintenance equipment | |
| JP4252923B2 (en) | Speed analysis radar exploration method and apparatus | |
| US20230323611A1 (en) | Obtaining paving material mat characteristics | |
| JP6923750B2 (en) | Self-position estimation device, self-position estimation method, program and storage medium | |
| Azarov et al. | VEHICLES OBSTACLE POSITIONING SYSTEM | |
| JPH0868847A (en) | Roadbed level measuring apparatus | |
| JP2622630B2 (en) | Mobile car position recognition device | |
| JPH0710466A (en) | Object position measuring method |