JPS61257351A - Load detecting device - Google Patents
Load detecting deviceInfo
- Publication number
- JPS61257351A JPS61257351A JP9670485A JP9670485A JPS61257351A JP S61257351 A JPS61257351 A JP S61257351A JP 9670485 A JP9670485 A JP 9670485A JP 9670485 A JP9670485 A JP 9670485A JP S61257351 A JPS61257351 A JP S61257351A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- signal
- output
- pressures
- pressure sensor
- 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.)
- Pending
Links
Landscapes
- Hydraulic Control Valves For Brake Systems (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、鉄道車両等の荷重検出装置に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a load detection device for a railway vehicle or the like.
第一図は従来の荷重検出装置を示すブロック図であ、り
、 (1)および(2)は7台の車両の下側に複数個
設けられた空気バネのうちの2つの空気バネを示すもの
で6 !り 、 (jlおよび(りはこれらにそれぞれ
接続され圧力を電気信号に変換する圧力センサ、(りは
圧力センサ(3) 、 (lIlの出力の平均を求める
平均値検出装置、(6)はこの平均値検出装置(りに接
続されたブレーキ力・けん引力制御装置、(り)は空気
バネ(1) 、 (21のバネ圧の平均圧力を求める非
常ブレーキ応荷重弁そして(f)はこの非常ブレーキ応
荷重弁(り)に接続された空気ブレーキ装置である。Figure 1 is a block diagram showing a conventional load detection device, and (1) and (2) show two air springs among the plurality of air springs installed on the underside of seven vehicles. 6 things! ri, (jl and (ri) are pressure sensors that are connected to these and convert the pressure into electrical signals, (ri is a pressure sensor (3), (lIl) is an average value detection device that calculates the average output of the output, and (6) is this The brake force/traction force control device is connected to the average value detection device (ri), the emergency brake variable load valve that calculates the average pressure of the air spring (1), (21), and (f) It is an air brake device connected to a brake variable load valve.
次に動作について説明する。/車両のうちの2個の空気
バネ(1) # (21の圧力P/ 、PJは、圧力セ
ンサ(,7) 、 (4’lでそれぞれ電気信号v/、
vJに変換され。Next, the operation will be explained. / Two air springs (1) # (21 pressure P/ , PJ are pressure sensors (,7), (4'l respectively electric signals v/,
Converted to vJ.
さらに平均値検出装置(3)によシ。Furthermore, the average value detection device (3) is used.
コ とされ平均化される。Ko and averaged.
ここでa/およびb/は、空気バネ下重量等を補正する
係数である。電気信号VJはブレーキカ参けん引力制御
装置(4)の入力となシ、ブレーキカ・けん引力制御装
置(4)による摩擦常用ブレーキ力。Here, a/ and b/ are coefficients for correcting air unsprung weight, etc. The electric signal VJ is an input to the brake force/traction force control device (4), and is the frictional regular braking force generated by the brake force/traction force control device (4).
電気常用プV−キカおよび力行けん引力制御のための応
荷重信号として重要な役割を果たす。It plays an important role as a variable load signal for controlling electric power and traction force.
一方、圧力P / * P Jはさらに、非常ブV−キ
応荷重弁(り)に入力されて平均化され、その出力圧力
p、tは
コ
とな夛、空気ブレーキ装置(flで非常空気ブレーキ力
制御のための応荷重圧力信号として使用される。On the other hand, the pressure P/*PJ is further input to the emergency brake V-key variable load valve (ri) and averaged, and its output pressures p, t are Used as a variable load pressure signal for brake force control.
ここでaJおよびす、は空気バネ下重量等を補正する係
数である。Here, aJ and s are coefficients for correcting air unsprung weight, etc.
なお、空気バネ(1) n (コ)の圧力Pt、PJの
平均値を制御に使用するのは1乗客の乗車アンバランス
がおっても真の荷重に近づけるためである。The reason why the average value of the pressures Pt and PJ of the air springs (1) n (k) is used for control is to approximate the true load even if one passenger is unbalanced.
また、非常ブレーキ(通常空気ブレーキのみ使用する)
と常用ブレーキ(通常電気ブレーキを優先させながら摩
擦ブレーキを使用する)の一系統は必要不可欠なもので
ある。Also, emergency braking (normally only air brakes are used)
and a system of service brakes (usually using friction brakes with priority given to electric brakes) are essential.
〔発明が解決しよりとする問題点3
以上のように従来の荷重検出装置では、1つの圧カセン
テが7点の圧力しか検出できないことから、7台の車両
に対して複数の圧力バネの圧力を検出するためには、高
価な圧力センサもやはシ複数個必要になるという問題点
があった。[Problem 3 to be solved by the invention As described above, in the conventional load detection device, one pressure case can only detect the pressure at seven points, so the pressure of multiple pressure springs for seven vehicles cannot be detected. In order to detect this, there is a problem in that a plurality of expensive pressure sensors are required.
この発明は、かかる問題点を解決するためになされたも
ので、複数の空気バネの圧力の平均化を図ったまま、圧
力センサは車両一台について7つとした荷重検出装置を
得ることを目的とする。This invention was made to solve this problem, and its purpose is to obtain a load detection device with seven pressure sensors per vehicle while averaging the pressures of a plurality of air springs. do.
この発明に係る荷重検出装置は、複数の空気バネの圧力
の平均圧力を出力する飛常ブレーキ応荷重弁の出力を利
用し、この平均圧力を電気信号に変換する圧力センサと
、この電気信号に適当な係数を加えて補正を行いその出
力である応荷重信号を出力する信号補正装置とを備えた
。The load detection device according to the present invention utilizes the output of a flying brake variable load valve that outputs the average pressure of a plurality of air springs, and includes a pressure sensor that converts this average pressure into an electrical signal, and a pressure sensor that converts this average pressure into an electrical signal. A signal correction device that performs correction by adding an appropriate coefficient and outputs a variable load signal as the output thereof is provided.
この発明においては、複数の空気バネの圧力の平均圧力
を出力する非常ブレーキ応荷重弁(または単に応荷重弁
)の出力を圧力センサで電気信号に変換し、信号補正装
置でこの電気信号に適当な係数を加えて補正を行い応荷
重信号を得るようにした。In this invention, a pressure sensor converts the output of an emergency brake variable load valve (or simply a variable force valve) that outputs the average pressure of a plurality of air springs into an electrical signal, and a signal correction device converts the output of the emergency brake variable load valve (or simply variable load valve) into an electrical signal, and a signal correction device converts the output into an electrical signal. The correction was performed by adding a coefficient to obtain a variable load signal.
第1図はこの発明による荷重検出装置の一実施例を示す
ブロック図でl)、第2図の従来の装置と異なるところ
は、非常ブレーキ応荷重弁Cり)の出力側の一方に、そ
の出力を電気信号に変換するための圧力センサ(J)が
接続され、さらにこの圧力センサ(j)とブレーキ力・
けん引力制御装置【6)との間には圧力センサ(3)の
出力信号の補正を行うための信号補正装置(チーが設け
られているところである。Fig. 1 is a block diagram showing an embodiment of the load detection device according to the present invention.The difference from the conventional device shown in Fig. 2 is that there is a A pressure sensor (J) is connected to convert the output into an electrical signal, and this pressure sensor (j) is also connected to the brake force.
A signal correction device (chi) for correcting the output signal of the pressure sensor (3) is provided between the traction force control device (6) and the traction force control device (6).
次に動作について説明する。圧力バネ(1) 、 (コ
)の圧力P / # P Jは、プV−キカ拳けん引力
制御装置(7)により平均化され、その出力である圧力
PJはとなる。ここでaJおよびbaは従来と同様に空
気バネ不重量等を補正する係数である。そして圧力PJ
は空気ブレーキ装置(ff)で非常空気ブレーキ力制御
のための応荷重圧力信号として使用される。Next, the operation will be explained. The pressures P/#PJ of the pressure springs (1) and (J) are averaged by the traction force control device (7), and the output pressure PJ is as follows. Here, aJ and ba are coefficients for correcting air spring weightlessness, etc., as in the conventional case. and pressure PJ
is used as a variable load pressure signal for emergency air brake force control in the air brake system (ff).
同時に圧力PJは圧力センサ(3)の入力となシ出力と
なる電気信号に変換される。ここでに/は比例常数であ
る。さらに電気信号V、は信号補正装置(り)で適当な
係数、例えばa J e b jが加えられて。At the same time, the pressure PJ is converted into an electrical signal that becomes the input and output of the pressure sensor (3). Here / is a constant of proportionality. Further, the electric signal V is added with appropriate coefficients, for example, aJebj by a signal correction device.
第2図の従来の装置と同様に
コ
になるよう補正され、ブレーキ力・けん引力制御装置(
6)に伝達され、従来通シ、摩擦常用プV−キ力、電気
常用ブV−キ力および力行けん引力制御のための応荷重
信号として使用される。なお、信号補正装置(?)は従
来の平均直検出装置(3)と同様に簡単なIC回路等で
構成されている。As with the conventional device shown in Figure 2, the brake force/traction force control device (
6) and is conventionally used as a variable load signal for controlling the frictional V-key force, the electric V-key force, and the power and traction force. It should be noted that the signal correction device (?) is constituted by a simple IC circuit, etc., like the conventional average direct detection device (3).
なお、上記実施例は同一車両に設けられた複数の空気バ
ネのうちのコ個の圧力バネの圧力を検出する例を示した
が、これは例えば弘個の圧力バネの圧力P、 、PハP
# * P !を検出し、非常ブレーキ応荷重弁で平
均化し −
Pi + Pコ+Pg + Pt
P6°□
り
として、圧力P1を圧力センサ(j)の入力としてもよ
い。また、空気バネの圧力でなくても、車両型iを検出
する圧力であればコイルバネたわみを検出した後、空気
圧力に変換する方式の圧力を用いても同様の効果が得ら
れる。Note that the above embodiment shows an example of detecting the pressure of a number of pressure springs out of a plurality of air springs installed in the same vehicle, but this is for example a case where the pressures of a number of pressure springs P, , P and a number of pressure springs are detected. P
#*P! The pressure P1 may be input to the pressure sensor (j) by detecting and averaging it with the emergency brake variable load valve. Further, even if the pressure is not the pressure of the air spring, but the pressure is such that the deflection of the coil spring is detected and the pressure is converted into air pressure, the same effect can be obtained as long as the pressure is used to detect the vehicle type i.
この発明は以上説明した通シ、複数の空気バネの圧力の
平均圧力を出力する非常ブレーキ応荷重弁の出力を利用
して、この平均圧力を圧力センサで電気信号に変換し、
そして信号補正装置でこの電気信号に適当な係数を加え
て補正して応荷重信号を得るようにしたので、圧力セン
サは車両/台について7個でよく、高価な圧力センサの
分、装置が安価になるという効果が得られる。This invention utilizes the output of the emergency brake variable load valve that outputs the average pressure of a plurality of air springs as described above, converts this average pressure into an electrical signal with a pressure sensor,
Then, a signal correction device adds an appropriate coefficient to this electrical signal to correct it and obtain a variable load signal, so only seven pressure sensors are required per vehicle/vehicle, and the device is inexpensive compared to the expensive pressure sensors. You can get the effect of becoming.
第1図はこの発明の荷重検出装置の一実施例を示すブロ
ック図、第一図は従来の荷重検出装置のブロック図であ
る。
図において、C/)と(コ)は空りバ′ネ、(J)は圧
力センサ、 (71は非常ブレーキ応荷重弁、C9)は
信号補正装置である。
なお、各図中、同一符号は同−又は相当部分を示す。FIG. 1 is a block diagram showing an embodiment of the load detection device of the present invention, and FIG. 1 is a block diagram of a conventional load detection device. In the figure, C/) and (C) are empty springs, (J) is a pressure sensor, (71 is an emergency brake variable load valve, and C9) is a signal correction device. In each figure, the same reference numerals indicate the same or corresponding parts.
Claims (1)
出力側に接続されて上記平均圧力を電気信号に変換する
圧力センサと、この圧力センサの出力側に接続され上記
電気信号の補正を行いその出力である応荷重信号を発生
する信号補正装置とを備えたことを特徴とする荷重検出
装置。A pressure sensor is connected to the output side of a variable load valve that generates an average pressure of the pressures of a plurality of air springs and converts the above average pressure into an electric signal, and a pressure sensor is connected to the output side of this pressure sensor and corrects the above electric signal. and a signal correction device that generates a load-responsive signal as an output thereof.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9670485A JPS61257351A (en) | 1985-05-09 | 1985-05-09 | Load detecting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9670485A JPS61257351A (en) | 1985-05-09 | 1985-05-09 | Load detecting device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61257351A true JPS61257351A (en) | 1986-11-14 |
Family
ID=14172141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9670485A Pending JPS61257351A (en) | 1985-05-09 | 1985-05-09 | Load detecting device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61257351A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08295236A (en) * | 1995-04-27 | 1996-11-12 | Westinghouse Air Brake Co | Brake control system for railroad vehicle |
CN101988860A (en) * | 2009-08-07 | 2011-03-23 | 上海申际轨道交通设备发展有限公司 | Train load information acquisition method and device |
-
1985
- 1985-05-09 JP JP9670485A patent/JPS61257351A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08295236A (en) * | 1995-04-27 | 1996-11-12 | Westinghouse Air Brake Co | Brake control system for railroad vehicle |
CN101988860A (en) * | 2009-08-07 | 2011-03-23 | 上海申际轨道交通设备发展有限公司 | Train load information acquisition method and device |
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