JPH047384U - - Google Patents

Info

Publication number
JPH047384U
JPH047384U JP4624190U JP4624190U JPH047384U JP H047384 U JPH047384 U JP H047384U JP 4624190 U JP4624190 U JP 4624190U JP 4624190 U JP4624190 U JP 4624190U JP H047384 U JPH047384 U JP H047384U
Authority
JP
Japan
Prior art keywords
road surface
light
receiver
snow
infrared reflective
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.)
Granted
Application number
JP4624190U
Other languages
Japanese (ja)
Other versions
JPH0717034Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990046241U priority Critical patent/JPH0717034Y2/en
Publication of JPH047384U publication Critical patent/JPH047384U/ja
Application granted granted Critical
Publication of JPH0717034Y2 publication Critical patent/JPH0717034Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Measurement Of Optical Distance (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の積雪センサーの実施例を、第
２図は深さＨを有す積雪面からの反射光を受光す
る場合をそれぞれ示している。 １……投光器、２……投光用レンズ、３……受
光器、４……補助光源、５……受光レンズ、６…
…ヒータ、７……温度スイツチ、８……水分感知
器、９……ケース、１０……投射光、１１……路
面反射光、１１′，１１ａ……反射光、１２……
路面、１３……気温感知器、１４……車両、１５
……絞り、１６……赤外線通過フイルター、１７
……積雪面。 FIG. 1 shows an embodiment of the snow sensor of the present invention, and FIG. 2 shows a case where reflected light from a snow surface having a depth H is received. 1... Light emitter, 2... Light emitter lens, 3... Light receiver, 4... Auxiliary light source, 5... Light receiving lens, 6...
... Heater, 7 ... Temperature switch, 8 ... Moisture sensor, 9 ... Case, 10 ... Projection light, 11 ... Road surface reflected light, 11', 11a ... Reflected light, 12 ...
Road surface, 13...Temperature sensor, 14...Vehicle, 15
...Aperture, 16...Infrared passing filter, 17
...Snow surface.

Claims (1)

【実用新案登録請求の範囲】 (1) 投光器と受光器を傾斜させて別々に取着し
、しかも路面の法線を中心として互いに対称なる
位置にＶ形を成して配置して上記投光器からは間
歇投射光を投射し、該投射光が路面に当つて反射
する路面反射光を上記受光器が受け、該受光器は
路面反射光の反射率を検出する機能を有し、更に
受光器側には補助光源を備えたことを特徴とする
路面赤外線反射式積雪センサー。 (2) 上記投光器及び受光器をケース内に納めて
該ケース内にはヒーターと温度スイツチを設け、
更にケース外には水分感知器、及び気温感知器を
備えた実用新案登録請求の範囲第１項記載の路面
赤外線反射式積雪センサー。 (3) 上記受光器側に手動式の絞り及び赤外線通
過フイルターを備えた実用新案登録請求の範囲第
１項、又は第２項記載の路面赤外線反射式積雪セ
ンサー。 (4) 上記受光器を一方向へ移動可能に取着し、
積雪面からの反射光を受けるために積雪深さに応
じて自動的に移動可能とした実用新案登録請求の
範囲第１項、第２項、又は第３項記載の路面赤外
線反射式積雪センサー。[Claims for Utility Model Registration] (1) A projector and a receiver are mounted separately at an angle, and arranged in a V-shape at mutually symmetrical positions with respect to the normal line of the road surface, and projects intermittent projection light, the above-mentioned light receiver receives the road surface reflected light that is reflected by the projected light hitting the road surface, the light receiver has a function of detecting the reflectance of the road surface reflected light, and the light receiver side is a road surface infrared reflective snow sensor that is equipped with an auxiliary light source. (2) The above-mentioned emitter and receiver are housed in a case, and a heater and a temperature switch are installed inside the case;
The road surface infrared reflective snow sensor according to claim 1, further comprising a moisture sensor and a temperature sensor outside the case. (3) The road surface infrared reflective snow sensor according to claim 1 or 2, which is equipped with a manual aperture and an infrared passing filter on the receiver side. (4) Attach the above receiver so that it can move in one direction,
A road surface infrared reflective snow sensor according to claim 1, 2, or 3, which is automatically movable according to the snow depth in order to receive reflected light from a snow surface.
JP1990046241U 1990-04-28 1990-04-28 Road surface infrared reflection type snow sensor Expired - Lifetime JPH0717034Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990046241U JPH0717034Y2 (en) 1990-04-28 1990-04-28 Road surface infrared reflection type snow sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990046241U JPH0717034Y2 (en) 1990-04-28 1990-04-28 Road surface infrared reflection type snow sensor

Publications (2)

Publication Number Publication Date
JPH047384U true JPH047384U (en) 1992-01-23
JPH0717034Y2 JPH0717034Y2 (en) 1995-04-19

Family

ID=31561151

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990046241U Expired - Lifetime JPH0717034Y2 (en) 1990-04-28 1990-04-28 Road surface infrared reflection type snow sensor

Country Status (1)

Country Link
JP (1) JPH0717034Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5791210B1 (en) * 2014-06-20 2015-10-07 東芝エレベータ株式会社 Passenger conveyor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS477039U (en) * 1971-02-13 1972-09-26
JPS5334582A (en) * 1976-09-10 1978-03-31 Toyo Denki Kk Snow gauge
JPS57139681A (en) * 1981-02-24 1982-08-28 Omron Tateisi Electronics Co Discriminating device for state of road surface

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS477039U (en) * 1971-02-13 1972-09-26
JPS5334582A (en) * 1976-09-10 1978-03-31 Toyo Denki Kk Snow gauge
JPS57139681A (en) * 1981-02-24 1982-08-28 Omron Tateisi Electronics Co Discriminating device for state of road surface

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5791210B1 (en) * 2014-06-20 2015-10-07 東芝エレベータ株式会社 Passenger conveyor

Also Published As

Publication number Publication date
JPH0717034Y2 (en) 1995-04-19

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term