JP3015653B2 - Footboard of vehicle type identification device - Google Patents
Footboard of vehicle type identification deviceInfo
- Publication number
- JP3015653B2 JP3015653B2 JP3529194A JP3529194A JP3015653B2 JP 3015653 B2 JP3015653 B2 JP 3015653B2 JP 3529194 A JP3529194 A JP 3529194A JP 3529194 A JP3529194 A JP 3529194A JP 3015653 B2 JP3015653 B2 JP 3015653B2
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- pressure
- tread
- pair
- plate
- 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
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- Traffic Control Systems (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、有料道路の料金収受シ
ステムに適用される車種判別装置の踏板の改良に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a tread plate of a vehicle type discriminating apparatus applied to a toll road toll collection system.
【０００２】[0002]
【従来の技術】一般に、有料道路あるいは駐車場におけ
る料金収受システムにおいては、進行車両の車種を判別
するために車種判別装置が設けられている。有料道路に
おける料金収受システムでは、従来、図６に示すよう
に、車両１は矢印Ａに示す方向に路面４上を進行する。
車種判別装置５は、車両進入路を挟んで対向的に設置さ
れた光学式の車両分離器３ａ及び３ｂと、この光軸下の
路面４に埋設された踏板２とから構成されている。この
踏板２は、車両１が踏板２上を通過することにより、軸
数、輪数、軸重、トレッド等の車種判別要素を計測す
る。６は料金収受器、７は料金収受台、８は通行券発行
機を示す。この種の車両判別装置５においては、図７の
横断面図及び図８の平面図に示すように、踏板２に抵抗
接点体９、平型接点体１０、軸重センサー１１などが配
設されている（特公平４−２３７３１号）。このような
車種判別装置５においては、車両１が踏板２を通過する
とき、車両１の荷重により弾性体の踏板２が撓み、各平
型接点体１０の接点が順次移動すること、及び抵抗接点
体９の抵抗が、図９に示すように、踏圧により接点とな
り抵抗が変化すること等により、トレッド、輪数、軸数
等の車種判別要素が計測され、さらに圧電素子を利用し
た軸重センサーで通行車両の軸重が検出される。2. Description of the Related Art Generally, in a toll collection system on a toll road or a parking lot, a vehicle type discriminating device is provided for discriminating a vehicle type of a traveling vehicle. Conventionally, in a toll collection system for a toll road, a vehicle 1 travels on a road surface 4 in a direction indicated by an arrow A as shown in FIG.
The vehicle type discriminating device 5 is composed of optical vehicle separators 3a and 3b installed to face each other with the vehicle approaching road interposed therebetween, and the tread plate 2 buried on the road surface 4 below the optical axis. The tread plate 2 measures vehicle type discrimination factors such as the number of axles, the number of wheels, axle load, and tread as the vehicle 1 passes over the tread plate 2 . 6 is a toll collection device, 7 is a toll collection stand, 8 is a toll ticket
Machine. In the vehicle discriminating device 5 of this type, as shown in a cross-sectional view of FIG. 7 and a plan view of FIG. 8, a resistance contact member 9, a flat contact member 10, an axle load sensor 11, etc. There are provided (Kokoku No. 4-23731). Such as this
In the vehicle class discriminator 5, when the vehicle 1 passes through the treadle 2, due to the load of the vehicle 1 deflection treadle 2 of the elastic body, the contacts of the flat contact member 10 is sequentially moved, and the resistance contact unit 9 As shown in FIG. 9, the resistance becomes a contact point due to the treading pressure, and the resistance is changed. For example , the vehicle type discriminating elements such as the tread, the number of wheels, and the number of axles are measured. Is detected.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、この種
の車種判別用踏板においては、踏板に装着される検出器
は、軸数検出用平型接点体、トレッド検出用抵抗接点
体、軸重センサーなど、用途別に多種類かつ多数の検出
器が必要であるため、踏板の大きさが大きくなるととも
に重量が増大し、コストも増加する。However, in this type of vehicle type discriminating tread, a detector mounted on the tread includes a flat contact for detecting the number of shafts, a resistance contact for tread detection, an axle load sensor, and the like. Since a large number of types and a large number of detectors are required for each application, the size of the tread plate is increased, the weight is increased, and the cost is increased.
【０００４】本発明はこのような事情に鑑みて提案され
たもので、軸重、軸数、トレッドなどを少ない部品点数
で測定できる小型軽量かつ価格低廉な車種判別装置の踏
板を提供することを目的とする。The present invention has been proposed in view of the above circumstances, and an object of the present invention is to provide a compact, lightweight, and inexpensive tread for a vehicle type discriminating apparatus capable of measuring an axle load, an axle number, a tread, and the like with a small number of parts. Aim.
【０００５】[0005]
【課題を解決するための手段】そのために本発明の車種
判別装置の踏板は、有料道路の料金収受システムにおけ
る車種判別装置の踏板であって、車両進入路の路面の左
右両側に互いに対向して設置された光電スイッチにより
進入車両を個別に検知する車両分離器と、同車両分離器
の光軸の直下における上記車両進入路の路面下に埋設さ
れ左半部及び右半部には上記車両進入方向に相互にずら
せた位置においてそれぞれ長さ方向が上記車両進入路を
横断する方向に一致して上向きに開口する左右一対の横
長凹穴を有する踏板と、上記各横長凹穴の内側に位置し
同各横長凹穴の開口を閉塞するようにして左右両端部が
それぞれ上記各横長凹穴の左右の端壁部において支持さ
れた左右一対の横長の受圧板と、同各受圧板の下面側に
おいて同各受圧板の上記左右両端部からそれぞれ距離を
置いて付設された感圧センサーと、同各感圧センサーが
測定した測定値に基づいて上記左右一対の各受圧板にか
かる軸重を演算する軸重演算部と、上記左右一対の受圧
板にそれぞれ対応する各感圧センサーが測定して発生し
た測定値信号間の信号発生の順序及び同測定値信号間の
信号発生の時間的な遅れに基づいて車両の前後進の判別
をする車両前後進判別部と、上記車両分離器からの車両
個別の車両進入情報と上記各感圧センサーが測定して発
生した測定値信号間の信号発生の時間的な遅れに基づい
て車両の軸数を検出する軸数検出部と、上記各感圧セン
サーが測定して発生した測定値信号に基づいて上記左右
一対の受圧板にかかる荷重の各受圧板上の左右方向の位
置を演算することによって進入車両のトレッドを演算す
るトレッド演算部と、上記各軸重演算部において演算さ
れた軸重を各個別の車両毎に加算して各車両の全重量を
演算する車両全重量演算部と、各進入車両毎に最終的に
車種判別を行う車種判別部とを備えたことを特徴とす
る。 SUMMARY OF THE INVENTION For that purpose, a vehicle model according to the present invention is provided.
The tread of the discriminator is used in toll road toll collection systems.
Of the vehicle type discriminating device,
With photoelectric switches installed opposite each other on the right side
A vehicle separator that individually detects the approaching vehicle, and the vehicle separator
Buried under the surface of the above-mentioned vehicle approach road just below the optical axis of
The left and right halves are offset from each other in the vehicle approach direction.
At the position where the vehicle approached
A pair of left and right sides that open upward according to the crossing direction
A tread plate having a long concave hole, located inside each of the above horizontal long concave holes
The left and right ends are closed by closing the opening of each
Supported by the left and right end walls of
The pair of left and right horizontal pressure receiving plates and the lower surface of each pressure receiving plate
Distance from the left and right ends of the pressure plate
The pressure sensors attached and attached to each other
On the basis of the measured value, the pressure
An axle load calculating unit for calculating the axle load;
Each pressure sensor corresponding to each board measures and generates
Order of signal generation between measured value signals
Judgment of forward / backward movement of vehicle based on time delay of signal generation
Forward / backward discriminating unit and vehicle from the vehicle separator
Measured and issued by individual vehicle entry information and each of the above pressure sensors
Based on the time delay of signal generation between the generated measurement signals
An axis number detector for detecting the number of axes of the vehicle by
The left and right based on the measurement signal generated by the
The horizontal position on each pressure plate of the load applied to a pair of pressure plates
Calculate the tread of the approaching vehicle by calculating the
Tread calculation section and the axle weight calculation section.
The added axle load is added for each individual vehicle to determine the total weight of each vehicle.
The vehicle total weight calculation unit to calculate and finally for each approaching vehicle
A vehicle type discriminating unit for performing vehicle type discrimination.
You.
【０００６】[0006]
【作用】このような構成によれば、踏板上を車両が通過
すると、車輪１４は、図１〜図２に示すように、まず、
手前の一方の軸重検出部１８ｂを踏圧し、続いて他方の
軸重検出部１８ａを踏圧する。その結果、車輪の踏圧順
序に従って、軸重検出部の感圧センサーから順次時間遅
れを生じながらその踏圧荷重に比例した信号が出力され
るので、各信号の立ち上がりの順序から車両の前進、後
進が分かる。また、車両分離器により車両を検出してい
る間の車両の前進、後進情報により進行車両の軸数が検
出される。さらに、車両が踏板上を通過すると、車両の
荷重により受圧板が撓み、受圧板の下面に固着した感圧
センサーの位置と踏圧位置から、後記するように、トレ
ッドが算出される。According to such a configuration, when the vehicle passes on the tread, the wheels 14 are firstly moved as shown in FIGS.
One of the front axle load detectors 18b is treaded, and then the other is depressed. As a result, signals proportional to the treading load are output from the pressure-sensitive sensor of the axle load detecting unit sequentially with time delay according to the treading pressure order of the wheels, so that the forward and backward movement of the vehicle starts from the rising order of each signal. I understand. In addition, the number of axes of the traveling vehicle is detected based on the forward / reverse information of the vehicle while the vehicle is being detected by the vehicle separator. Further, when the vehicle passes over the tread plate, the pressure receiving plate is bent by the load of the vehicle, and the tread is calculated from the position of the pressure-sensitive sensor fixed to the lower surface of the pressure receiving plate and the treading position, as described later.
【０００７】[0007]
【実施例】本発明の一実施例を図面について説明する
と、図１はその平面図、図２は図１のII−II矢視断面
図、図３は図２の踏板における幾何学的量と反力、モー
メント等の力学的量との関係を示す模式図、図４は図１
によるトレッド及び軸重の演算回路を示すブロック図、
図５は図１〜図４の構造を備えた有料料金収受システム
を示す全体系統図である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view, FIG. 2 is a sectional view taken along the line II--II of FIG. 1, and FIG. FIG. 4 is a schematic diagram showing the relationship between the reaction force, the moment, and other mechanical quantities.
Block diagram showing a tread and axle load arithmetic circuit according to
FIG. 5 is an overall system diagram showing a toll collection system having the structure shown in FIGS.
【０００８】まず、図１〜図２において、踏板２には左
右一対の左右方向に延びる長方形凹穴が形成され、同各
凹穴にそれぞれ長方形箱状の同一構造の軸重検出部１８
ａ，１８ｂを内蔵する支持箱である支持体１６，１６が
装着されている。各軸重検出部１８ａ，１８ｂは左右に
配設されるとともに、互いに前後にずらして配設されて
いる。軸重検出部１８ａ，１８ｂには、左右端を剛性構
造の支持体１６の左右端上に固着された長方形の受圧板
１５の下面の両端からそれぞれ一定の距離ａを置いて、
感圧センサー１７ａ，１７ｂが配置されている。通常、
この感圧センサー１７ａ，１７ｂにはひずみゲージが用
いられている。また、軸重検出部１８ａ，１８ｂは、図
２に示すように、剛性の横通長方形基板３０で補強され
て各凹穴に装着され、その上面は共通の長方形ゴム板１
９で全面的に被覆されている。[0008] First, in FIGS. 1-2, the step board 2 rectangular recessed hole extending in the left-right direction of the left and right pair is formed, the axle weight detecting section of each rectangular box shape having the same structure in the respective recessed holes 18
Supports 16, 16, which are support boxes containing a and 18b, are mounted. Each axle weight detecting unit 18a, with 18b is disposed to the right and left, are arranged staggered one behind the other. The left and right ends of the axle load detectors 18a and 18b are spaced at a fixed distance a from both ends of the lower surface of the rectangular pressure receiving plate 15 fixed on the right and left ends of the support 16 having a rigid structure, respectively.
Pressure sensitive sensors 17a and 17b are arranged. Normal,
Strain gauges are used for the pressure sensors 17a and 17b. As shown in FIG. 2, the axle load detectors 18a and 18b are reinforced by a rigid transverse rectangular substrate 30.
To each concave hole, the upper surface of which is a common rectangular rubber plate 1
9 is entirely coated.
【０００９】いま、図３に示すように、左右の軸重検出
部の受圧板に車両の踏圧による荷重Ｗが加わるとする。
ここで、Ｍ 1 ，Ｍ 2 ，Ｍ 1 ′，Ｍ 2 ′ ： モーメントＲ 1 ，Ｒ 2 ： 反力 ｌ 1 （エル１）,ｌ 2 （エル２）：荷重点から受圧板の左
右端縁までの距離 ａ： 感圧センサーから受圧板の端部までの距離 Ｅ： 縦弾性係数 Ｚ： 断面係数ε 1 ，ε 2 ： ひずみσ 1 ，σ 2 ： 応力 とし、同図右側の受圧板１５に注目すると、［数１］式
及び［数２］式が成り立つ。Now, as shown in FIG. 3, it is assumed that a load W due to the treading pressure of the vehicle is applied to the pressure receiving plates of the left and right axle load detecting units.
Here, M 1 , M 2 , M 1 ′, M 2 ′ : moments R 1 , R 2 : Reaction force l 1 (L 1) , l 2 (L 2) : Distance from the load point to the left and right edges of the pressure receiving plate a: Distance from the pressure-sensitive sensor to the end of the pressure receiving plate E: Longitudinal elastic modulus Z: Section modulus ε 1 , ε 2 : Strain σ 1 , σ 2 ## EQU00001 ## When attention is paid to the pressure receiving plate 15 on the right side of the figure, Expressions 1 and 2 are satisfied.
【数１】 Ｍ1 ＝Ｒ1 ａ ε1 ＝（σ1 ／Ｅ）＝（Ｍ1 ／ＥＺ）＝（Ｒ1 ａ／ＥＺ） ＝Ｗ｛ｌ2 ／（ｌ1 ＋ｌ2 ）｝・（ａ／ＥＺ）M 1 = R 1 a ε 1 = (σ 1 / E) = (M 1 / EZ) = (R 1 a / EZ) = W {l 2 / (l 1 + l 2 )} · (a / EZ)
【数２】 Ｍ2 ＝Ｒ2 ａ ε2 ＝（σ2 ／Ｅ）＝（Ｍ2 ／ＥＺ）＝（Ｒ2 ａ／ＥＺ） ＝Ｗ｛ｌ1 ／（ｌ1 ＋ｌ2 ）｝・（ａ／ＥＺ） したがって、下記の［数３］式の関係が成立する。## EQU2 ## M 2 = R 2 a ε 2 = (σ 2 / E) = (M 2 / EZ) = (R 2 a / EZ) = W {l 1 / (l 1 + l 2 )} · (a / EZ) Therefore, the following equation (3) holds.
【数３】ε 1 ／ε 2 ＝ｌ 2 ／ｌ 1 ここに、 Ｍ1 ＝σ1 Ｚ， σ1 ＝Ｅε1 Ｍ 2 ＝σ 2 Ｚ， σ 2 ＝Ｅε 2 すなわち、車両の進入により変動荷重が受圧板にかかる
とき、両感圧センサー１７ａ、１７ｂには、変動荷重が
同時に加わるので、ひずみの比（ε1 ／ε2 ）は一定で
ある。したがって、ひずみε1 ，ε2 を測定することに
より、［数３］式からｌ2 ，ｌ1 を求めることができ
る。全体の距離Ｌが既知量であるから、距離Ｌの値とｌ
2 ，ｌ 1 の値とからトレッド１２が算出される。また、
反力Ｒ1 ，Ｒ2 を相互に加算することにより軸重も算出
することができる。(Equation 3)ε 1 / Ε Two = L Two / L 1 Where M1 = Σ1 Z, σ1 = Eε1 M Two = Σ Two Z, σ Two = Eε Two That is, a fluctuating load is applied to the pressure receiving plate due to the approach of the vehicle.
At this time, both pressure sensors 17a and 17bFluctuating load
Since they are added simultaneously, the strain ratio (ε1 / ΕTwo ) Is constant
is there. Therefore, the strain ε1 , ΕTwo To measure
From Equation 3, lTwo , L1 SeekingCan be
You. Since the entire distance L is a known amount,The value of the distance L and l
Two , L 1 And the value ofA tread 12 is calculated. Also,
Reaction force R1 , RTwo Axis by addingHeavyAlso calculated
Can doit can.
【００１０】このような構造において、支持体１６がそ
れぞれ長方形箱型をなすのは軽量化及び剛性化のためで
あり、ゴム板１９は受圧板１５と支持体１６との間から
雨水が侵入することを防止するためであり、また、軸重
検出部１８ａ，１８ｂが前後にずらせて配置されている
のは、タイミングの前後関係にて進入車両の前進、後進
の別を判別するためである。In such a structure, each of the supports 16 has a rectangular box shape for the purpose of weight reduction and rigidity, and the rubber plate 19 receives rainwater from between the pressure receiving plate 15 and the support 16. The reason why the axle load detectors 18a and 18b are arranged to be shifted back and forth is to determine whether the approaching vehicle is moving forward or backward based on the timing relationship.
【００１１】図４は、軸重及びトレッドの演算系統図
で、各受圧板１５，１５′の感圧センサー１７ａ，１７
ｂ，１７ａ′，１７ｂ′のひずみは歪計アンプ２０ａ，
２０ｂ，２０ａ′，２０ｂ′で増幅され、Ａ／Ｄコンバ
ーター２１ａ，２１ｂ，２１ａ′，２１ｂ′を通り、タ
イヤ位置演算部２２でタイヤの踏圧位置を演算し、トレ
ッド、軸重演算部２３でトレッド、軸重等を求めること
ができる。FIG. 4 is a calculation system diagram of the axle load and the tread. The pressure-sensitive sensors 17a, 17a of the pressure receiving plates 15 , 15 ' are shown in FIG.
b, 17a ', and 17b' are the distortion meter amplifiers 20a,
Amplified by 20b, 20a ', 20b' , passed through A / D converters 21a, 21b, 21a ', 21b' , the tire position calculator 22 calculates the tread position of the tire, and calculates the tread and axle weight. The calculation unit 23 can determine the tread, the axle weight, and the like.
【００１２】図５は料金収受システムの概略図で、図４
で算出されたトレッド、軸重、軸数、台数をもとに車種
を判別し、通行券を発行する。ここで、３ａ，３ｂは車
両分離器、２４は台数検出部、２５は車種判別部、そし
て２６は通行券発行部である。FIG. 5 is a schematic diagram of a toll collection system.
The vehicle type is determined based on the tread, axle weight, number of axles, and number of vehicles calculated in the above, and a toll ticket is issued. Here, 3a, 3b vehicle separator 24 in number detecting unit, 25 a vehicle type identification section, And
Te 26 is a ticket issuing unit.
【００１３】[0013]
【発明の効果】このような踏板によれば、トレッド、軸
重、軸数、台数等の車種判別要素がセンサーとして感圧
センサーのみで求めることができるため、少ない部品点
数で、小型かつ安価となり、さらに、車両進入による変
動荷重が生じても安定かつ正確な値を求めることができ
るので、信頼性が増し、有料道路などにおける料金体系
の車種判別精度が向上する。ちなみに、従来は、トレッ
ド、軸重、軸数、台数等の車種判別要素の検出のため
に、用途別に多種かつ多数の検出器を使用していたので
ある。According Effect of the Invention] Such treadle tread, axle load, number of axes, because only in sought can Rukoto pressure-sensitive sensor vehicle type identification element, such as a number as a sensor, a small number of components, small and The cost can be reduced, and a stable and accurate value can be obtained even when a fluctuating load occurs due to the approach of the vehicle. Therefore , the reliability is increased, and the accuracy of vehicle type discrimination of a toll system on a toll road or the like is improved. By the way, conventionally, a large number of types and a large number of detectors are used for each purpose in order to detect a vehicle type determining element such as tread, axle weight, number of axles, and number of vehicles.
【００１４】要するに本発明の車種判別装置の踏板によ
れば、有料道路の料金収受システムにおける車種判別装
置の踏板であって、車両進入路の路面の左右両側に互い
に対向して設置された光電スイッチにより進入車両を個
別に検知する車両分離器と、同車両分離器の光軸の直下
における上記車両進入路の路面下に埋設され左半部及び
右半部には上記車両進入方向に相互にずらせた位置にお
いてそれぞれ長さ方向が上記車両進入路を横断する方向
に一致して上向きに開口する左右一対の横長凹穴を有す
る踏板と、上記各横長凹穴の内側に位置し同各横長凹穴
の開口を閉塞するようにして左右両端部がそれぞれ上記
各横長凹穴の左右の端壁部において支持された左右一対
の横長の受圧板と、同各受圧板の下面側において同各受
圧板の上記左右両端部からそれぞれ距離を置いて付設さ
れた感圧センサーと、同各感圧センサーが測定した測定
値に基づいて上記左右一対の各受圧板にかかる軸重を演
算する軸重演算部と、上記左右一対の受圧板にそれぞれ
対応する各感圧センサーが測定して発生した測定値信号
間の信号発生の順序及び同測定値信号間の信号発生の時
間的な遅れに基づいて車両の前後進の判別をする車両前
後進判別部と、上記車両分離器からの車両個別の車両進
入情報と上記各感圧センサーが測定して発生した測定値
信号間の信号発生の時間的な遅れに基づいて車両の軸数
を検出する軸数検出部と、上記各感圧センサーが測定し
て発生した測定値信号に基づいて上記左右一対の受圧板
にかかる荷重の各受圧板上の左右方向の位置を演算する
ことによって進入車両のトレッドを演算するトレッド演
算部と、上記各軸重演算部において演算された軸重を各
個別の車両毎に加算して各車両の全重量を演算する車両
全重量演算部と、各進入車両毎に最終的に車種判別を行
う車種判別部とを備えていることにより、軸重、軸数、
トレッドなどを少ない部品点数で測定できる小型軽量か
つ価格低廉な車種判別装置の踏板を得るから、本発明は
産業上極めて有益なものである。[0014] In short, according to the tread of the vehicle type discriminating apparatus of the present invention .
If it is, the vehicle type discriminator in the toll collection system for toll roads
On the left and right sides of the road surface on which the vehicle is approaching.
The approaching vehicle is separated by the photoelectric switch
A vehicle separator to be detected separately and directly below the optical axis of the vehicle separator
Buried under the surface of the above-mentioned vehicle approach road at the left half and
In the right half, the vehicle is shifted from each other in the
Direction in which the length direction crosses the vehicle approach path
It has a pair of left and right long concave holes that open upwards in accordance with
Tread plate and each of the horizontally elongated recesses located inside the respective horizontally elongated recesses.
Close the opening of the left and right ends
Left and right pair supported on left and right end walls of each horizontally long concave hole
And the lower side of each pressure receiving plate
The platen is attached at a distance from each of the left and right ends.
Pressure sensors and the measurements measured by each pressure sensor
Based on the value, the axle load applied to each of the pair of left and right
Axle load calculation unit and the left and right pressure receiving plates
Measurement signal generated by each corresponding pressure sensor
Order of signal generation between signals and signal generation between the same measurement value signals
In front of the vehicle that determines whether the vehicle is moving forward or backward based on the intermittent delay
A reverse discrimination unit and a vehicle traveling direction of each vehicle from the vehicle separator.
Input information and measured values generated by the above pressure sensors
Number of vehicle axes based on the time delay of signal generation between signals
The number of axes detector that detects the
The pair of left and right pressure-receiving plates based on the measurement value signal generated
To calculate the horizontal position of the load on each pressure receiving plate
Tread performance to calculate the tread of the approaching vehicle
Calculation unit and the axle weight calculated in the axle weight calculation unit
Vehicles that calculate the total weight of each vehicle by adding each individual vehicle
Total weight calculation unit and final vehicle type discrimination for each approaching vehicle
Axle load , number of axles,
The present invention is extremely useful industrially because a small, lightweight, and inexpensive tread plate of a vehicle type discriminating apparatus capable of measuring a tread or the like with a small number of parts is obtained.
【図１】本発明の一実施例の踏板を示す平面図である。FIG. 1 is a plan view showing a tread according to an embodiment of the present invention.
【図２】図１のII−IIの矢視縦断面図である。2 is an arrow longitudinal sectional view of II-II of Figure 1.
【図３】図２の踏板のIII−IIIの折線的断面に沿った力
学的模式図である。FIG. 3 is a schematic mechanical diagram taken along the line III-III of the step board of FIG. 2;
【図４】図１の踏板によるトレッド及び軸重の演算回路
を示すブロック図である。FIG. 4 is a block diagram showing a tread and axle load arithmetic circuit using the tread of FIG. 1;
【図５】図１〜図４の構造を備えた本発明に係る有料料
金収受システムを示す全体系統図である。FIG. 5 is an overall system diagram showing a toll collection system according to the present invention having the structure shown in FIGS.
【図６】従来の有料道路における料金収受システムを示
す概略斜視図である。FIG. 6 is a schematic perspective view showing a conventional toll collection system on a toll road.
【図７】図６の踏板の縦断面図である。FIG. 7 is a vertical sectional view of the tread of FIG. 6;
【図８】図７の平面図である。FIG. 8 is a plan view of FIG. 7;
【図９】図８の部分拡大図である。FIG. 9 is a partially enlarged view of FIG. 8;
１ 車両 ２ 踏板 ３，３ａ，３ｂ 車両分離器 ４ 踏面 ５ 車種判別装置 １２ トレッド １３ 凹穴 １４ 車輪 １５ 受圧板 １６ 支持体 １７，１７ａ，１７ｂ 感圧センサー（ひずみゲー
ジ） １８ａ，１８ｂ 軸重検出部 １９ ゴム板 ２０ 歪計アンプ ２１ Ａ／Ｄコンバーター ２２ タイヤ位置演算部 ２３ トレッド、軸重演算部 ２４ 台数検出部 ２５ 車種判別部 ２６ 通行券発行部Reference Signs List 1 vehicle 2 tread plate 3, 3a, 3b vehicle separator 4 tread surface 5 vehicle type discriminating device 12 tread 13 recessed hole 14 wheel 15 pressure receiving plate 16 support body 17, 17a, 17b pressure-sensitive sensor (strain gauge) 18a, 18b axle load detecting unit Reference Signs List 19 rubber plate 20 strain gauge amplifier 21 A / D converter 22 tire position calculation unit 23 tread and axle load calculation unit 24 number detection unit 25 vehicle type discrimination unit 26 toll ticket issuing unit
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 実開 昭60−25096（ＪＰ，Ｕ) 特公 平４−23731（ＪＰ，Ｂ２) 特公 昭49−41479（ＪＰ，Ｂ１) 実公 昭45−8751（ＪＰ，Ｙ１) (58)調査した分野(Int.Cl.7，ＤＢ名) G08G 1/00 - 1/16 ──────────────────────────────────────────────────の Continuation of the front page (56) References JP-A 60-25096 (JP, U) JP 4-23731 (JP, B2) JP-49-41479 (JP, B1) JP 45-96 8751 (JP, Y1) (58) Field surveyed (Int. Cl. 7 , DB name) G08G 1/00-1/16
Claims (1)
種判別装置の踏板であって、車両進入路の路面の左右両
側に互いに対向して設置された光電スイッチにより進入
車両を個別に検知する車両分離器と、同車両分離器の光
軸の直下における上記車両進入路の路面下に埋設され左
半部及び右半部には上記車両進入方向に相互にずらせた
位置においてそれぞれ長さ方向が上記車両進入路を横断
する方向に一致して上向きに開口する左右一対の横長凹
穴を有する踏板と、上記各横長凹穴の内側に位置し同各
横長凹穴の開口を閉塞するようにして左右両端部がそれ
ぞれ上記各横長凹穴の左右の端壁部において支持された
左右一対の横長の受圧板と、同各受圧板の下面側におい
て同各受圧板の上記左右両端部からそれぞれ距離を置い
て付設された感圧センサーと、同各感圧センサーが測定
した測定値に基づいて上記左右一対の各受圧板にかかる
軸重を演算する軸重演算部と、上記左右一対の受圧板に
それぞれ対応する各感圧センサーが測定して発生した測
定値信号間の信号発生の順序及び同測定値信号間の信号
発生の時間的な遅れに基づいて車両の前後進の判別をす
る車両前後進判別部と、上記車両分離器からの車両個別
の車両進入情報と上記各感圧センサーが測定して発生し
た測定値信号間の信号発生の時間的な遅れに基づいて車
両の軸数を検出する軸数検出部と、上記各感圧センサー
が測定して発生した測定値信号に基づいて上記左右一対
の受圧板にかかる荷重の各受圧板上の左右方向の位置を
演算することによって進入車両のトレッドを演算するト
レッド演算部と、上記各軸重演算部において演算された
軸重を各個別の車両毎に加算して各車両の全重量を演算
する車両全重量演算部と、各進入車両毎に最終的に車種
判別を行う車種判別部とを備えたことを特徴とする、車
種判別装置の踏板。 1. A vehicle in a toll road toll collection system
The tread plate of the type discriminating device, which is located on both the left and right sides of the road
Entered by photoelectric switches installed facing each other on the side
A vehicle separator that individually detects vehicles, and light from the vehicle separator
It is buried under the road surface of the above vehicle approach road just below the shaft and left
The half and right halves have been shifted relative to each other in the direction of vehicle entry.
At each position, the length direction traverses the vehicle approach path
Pair of left and right horizontally long recesses that open upward according to the direction
A tread plate having a hole, and the same
Close the opening of the horizontally long concave hole so that the right and left ends
Supported on the left and right end walls of each of the above-mentioned horizontally long concave holes, respectively.
A pair of left and right horizontal pressure receiving plates and the lower surface of each pressure receiving plate
At a distance from the left and right ends of each pressure plate.
Pressure sensors attached to the sensor and each pressure sensor measure
On the pair of left and right pressure-receiving plates based on the measured value
An axle load calculation unit that calculates axle load, and a pair of left and right pressure receiving plates
The measurement generated by each corresponding pressure sensor
Order of signal generation between fixed-value signals and signals between same-value signals
Determines whether the vehicle is moving forward or backward based on the time delay of the occurrence.
A vehicle forward / backward discriminating unit, and a vehicle separated from the vehicle separator.
Vehicle entry information and the above pressure-sensitive sensors
Based on the time delay of signal generation between
Axis number detection unit that detects the number of both axes, and each of the above pressure-sensitive sensors
The left and right pair based on the measured value signal generated by measuring
The horizontal position of the load on each pressure plate
Calculate the tread of the approaching vehicle by calculating
Red calculation unit and the calculation performed in each of the axle weight calculation units.
Calculate the total weight of each vehicle by adding the axle load for each individual vehicle
Vehicle total weight calculation unit, and finally the vehicle type for each approaching vehicle
A vehicle comprising a vehicle type determination unit for performing determination
Tread of the species discriminator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3529194A JP3015653B2 (en) | 1994-02-08 | 1994-02-08 | Footboard of vehicle type identification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3529194A JP3015653B2 (en) | 1994-02-08 | 1994-02-08 | Footboard of vehicle type identification device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07225891A JPH07225891A (en) | 1995-08-22 |
| JP3015653B2 true JP3015653B2 (en) | 2000-03-06 |
Family
ID=12437677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3529194A Expired - Lifetime JP3015653B2 (en) | 1994-02-08 | 1994-02-08 | Footboard of vehicle type identification device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3015653B2 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100310314B1 (en) * | 1998-07-09 | 2002-04-24 | 윤종용 | Integrated shaft / axial water sensor |
| KR100462749B1 (en) * | 2002-05-09 | 2004-12-20 | 고속도로정보통신(주) | Apparatus for measuring weight of car using optical fiber sensor |
| JP2010223755A (en) * | 2009-03-24 | 2010-10-07 | Omron Corp | Device and method for measuring axle load |
| CN101858776B (en) * | 2010-06-21 | 2011-11-30 | 江西众加利高科技有限公司 | Embedded axle weighing and detecting dynamic-static integrated motor truck scale |
| JP5535966B2 (en) * | 2011-03-03 | 2014-07-02 | 三菱重工業株式会社 | Toll collection system |
| JP5738035B2 (en) * | 2011-03-29 | 2015-06-17 | 三菱重工業株式会社 | Vehicle axle weight measuring device |
| JP5751962B2 (en) * | 2011-07-12 | 2015-07-22 | 大和製衡株式会社 | Axle load scale |
| CN103606210B (en) * | 2013-10-15 | 2015-12-23 | 济南金钟电子衡器股份有限公司 | Intelligence goes out to put in storage Systematical control terminal |
| JP6326686B2 (en) * | 2014-01-29 | 2018-05-23 | 三菱重工機械システム株式会社 | Abnormality monitoring apparatus, abnormality monitoring method and program |
| CN108193613B (en) * | 2018-02-06 | 2021-05-25 | 陕西助智信息技术有限公司 | Multifunctional embedded fire fighting structure and fire fighting water supply method |
-
1994
- 1994-02-08 JP JP3529194A patent/JP3015653B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07225891A (en) | 1995-08-22 |
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