JPH0433708U - - Google Patents
Info
- Publication number
- JPH0433708U JPH0433708U JP7335790U JP7335790U JPH0433708U JP H0433708 U JPH0433708 U JP H0433708U JP 7335790 U JP7335790 U JP 7335790U JP 7335790 U JP7335790 U JP 7335790U JP H0433708 U JPH0433708 U JP H0433708U
- Authority
- JP
- Japan
- Prior art keywords
- outer cylinder
- receiver
- emitter
- infrared ray
- buried
- 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
Links
- 239000011810 insulating material Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Description
第１図は本考案の積雪センサーの断面図、第２
図はその使用状態の説明図である。
図中、１は外筒、２は舗装体、２′はその路面
、３は赤外線の投光器、４は受光器、５は充填層
、６は鍔、７と８は電極、９はハーネス、１０は
制御箱、１１は電源スイツチ、１２はロードヒー
タ、１３は電源回路、１４は路床、１５は断熱材
を示す。
Figure 1 is a cross-sectional view of the snow sensor of the present invention, Figure 2
The figure is an explanatory diagram of its usage state. In the figure, 1 is the outer cylinder, 2 is the pavement, 2' is the road surface, 3 is the infrared emitter, 4 is the receiver, 5 is the filling layer, 6 is the collar, 7 and 8 are the electrodes, 9 is the harness, 10 11 is a control box, 11 is a power switch, 12 is a road heater, 13 is a power circuit, 14 is a roadbed, and 15 is a heat insulating material.
Claims (1)
められる絶縁材製の外筒と、投光部及び受光部を
夫々上に向けて上記外筒の内部に透明質の充填層
で埋殺された赤外線の投光器及び受光器と、上記
外筒の上端部外周から張出した絶縁材製の鍔の上
面と下面とに設けられた水分感知用電極とからな
り、前記赤外線の投光器と受光器を外筒の内部で
横方向に所要距離離すと共に、上記投光器の上面
を受光器の上面よりも高位置にしたことを特徴と
するロードヒーテイング用積雪センサー。 An outer cylinder made of an insulating material is buried in the pavement with its upper surface exposed to the road surface, and a transparent filling layer is buried inside the outer cylinder with the light emitting part and the light receiving part facing upward. The infrared ray emitter and receiver are composed of an infrared ray emitter and a receiver, and moisture sensing electrodes provided on the upper and lower surfaces of an insulating collar protruding from the outer periphery of the upper end of the outer cylinder. A snow sensor for road heating, characterized in that the emitter is spaced apart by a required distance in the lateral direction inside the outer cylinder, and the upper surface of the emitter is positioned higher than the upper surface of the receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7335790U JP2515406Y2 (en) | 1990-07-12 | 1990-07-12 | Snow sensor for road heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7335790U JP2515406Y2 (en) | 1990-07-12 | 1990-07-12 | Snow sensor for road heating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0433708U true JPH0433708U (en) | 1992-03-19 |
| JP2515406Y2 JP2515406Y2 (en) | 1996-10-30 |
Family
ID=31612110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7335790U Expired - Fee Related JP2515406Y2 (en) | 1990-07-12 | 1990-07-12 | Snow sensor for road heating |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2515406Y2 (en) |
-
1990
- 1990-07-12 JP JP7335790U patent/JP2515406Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2515406Y2 (en) | 1996-10-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |