JPS6312294U

JPS6312294U -

Info

Publication number: JPS6312294U
Application number: JP9687587U
Authority: JP
Priority date: 1987-06-24
Filing date: 1987-06-24
Publication date: 1988-01-27

Description

[Brief explanation of the drawing]

第１図は有料道路料金所の概要を説明するため
の斜視図、第２図ａ，ｂは乗用車とトラツクの車
軸とタイヤ数を示す図、第３図ａ，ｂは路面上に
設置された踏板及び投、受光器の上面から見た図
、並びにその縦断面図、第４図は本考案装置の構
成を示すブロツク図、第５図ａ，ｂは受光器の各
受光素子と車種による車高との対応を説明するた
めの図である。１……路面、２，４１……踏板、４，４２……
投光器、５，４３……受光器、４４……ゲート、
４５……ラツチ回路、４６……抵抗値―電圧変換
器、４７……カウンタ、４８……比較器、４９…
…基準信号発生器、５０……アンドゲート、５１
……メモリ、５２……判別回路、Ｒ，Ｒ_１〜Ｒ_ｎ……受光素子。 Figure 1 is a perspective view to explain the outline of a toll road toll gate, Figure 2 a and b are diagrams showing the axles and number of tires for passenger cars and trucks, and Figure 3 a and b are diagrams showing the toll gates installed on the road surface. Figure 4 is a block diagram showing the configuration of the device according to the present invention; Figures 5a and b are diagrams showing each light-receiving element of the light receiver and the car model. It is a figure for explaining correspondence with high. 1...road surface, 2,41...treadboard, 4,42...
Emitter, 5, 43...Receiver, 44...Gate,
45...Latch circuit, 46...Resistance value-voltage converter, 47...Counter, 48...Comparator, 49...
...Reference signal generator, 50...And gate, 51
...Memory, 52...Discrimination circuit, R, _R1 to _Rn ……Light receiving element.

Claims

[Scope of utility model registration request]

A device has a plurality of optical paths for detecting a vehicle passing at different heights, and optically detects passing of a vehicle by blocking the optical paths, and a device installed on a road surface corresponding to the detection position of this device. , a treadle that receives wheel tread pressure from a passing vehicle and generates an output according to the width of the tread pressure, a device that detects the number of axles of a passing vehicle from this output, and a device that compares the treadle output with a reference value and uses the result of the comparison. A device for obtaining information on the number of wheels;
a device for detecting the presence or absence of an optical path interruption at a predetermined height in the optical path when the vehicle passes; a device for determining the number of wheels from the detection output of this device and information on the number of wheels; and the determined number of wheels. and a device for determining the vehicle type based on the number of axles, the device being characterized in that the vehicle height information is taken into consideration in determining the number of wheels.