Inspecting apparatus for measuring sensors mounted on train

• US 4,817,019 A
• Filed: 06/06/1988
• Issued: 03/28/1989
• Est. Priority Date: 09/30/1985
• Status: Expired due to Term

• Current Assignee: Mitsubishi Denki Kabushiki Kaisha (Mitsubishi Electric Corporation)
• Original Assignee: Mitsubishi Denki Kabushiki Kaisha (Mitsubishi Electric Corporation)
• Inventors: Morihara, Kenji
• Primary Examiner(s): Lall, Parshotam S.
• Assistant Examiner(s): Black, Thomas G.
• Application Number:
  US07/203,506
• Time in Patent Office: 295 Days
• Field of Search: 364/436, 364/424, 364/550, 364/426, 246/182 R, 246/187 R
• US Class Current: 702/188
• CPC Class Codes: B60T 17/228 for railway vehicles
• CPC Class Codes: B61L 15/0036 Conductor-based, e.g. using CAN-Bus, train-line or optical fibres
• CPC Class Codes: B61L 15/0081 On-board diagnosis or maintenance
• CPC Class Codes: G01D 18/00 Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00

Abstract

The inspecting apparatus for measuring sensors mounted on a train of this invention comprises a transmission center having a memory and data output unit being installed, for example, in the first car of a train, and individual transmission terminals to fetch the data from measuring sensors being installed in all cars including the first one. The measured data from each measuring sensor is fetched from each transmission terminal into the transmission center, stored into the memory, and processed by comparing with the initial value and the like, and the result of such processing is provided into the data output unit. Accordingly, since inspection in the same conditions as real operation is possible, without dismounting the measuring sensors from the train, the monitoring of a train can be continuously carried out.

Claims

1. Apparatus for inspecting a plurality of measuring sensors each installed in respective cars of a train, comprising:

a plurality of transmission terminal means, each mounted in one of said cars with an associated one of said sensors, for retrieving an output signal from the associated sensor indicative of a measured value measured by said associated sensor during an inspection interval; and

transmission center means, responsive to said plurality of transmission terminal means and installed in one of said cars, for receiving the output signals from the plurality of transmission terminal means, for storing data based on said output signals, for processing said data to determine a processing result for each sensor indicative of a deviation between a first value and the measured value, and for generating an output indicative of said processing result.

2. An apparatus as claimed in claim 1, wherein said first value is a preset value.

3. An apparatus as claimed in claim 1, wherein said transmission center means generates a predetermined signal as said output when said deviation exceeds a predetermined value.

4. An apparatus as claimed in claim 1, wherein said first value is a measured value from a preceding inspection interval.

5. An apparatus as claimed in claim 4, wherein said transmission center means generates a predetermined signal as said output when said deviation exceeds a predetermined value.

6. An apparatus as claimed in claim 1, further comprising a CRT display, responsive to said transmission center means.

7. An apparatus as claimed in claim 1, further comprising a printer responsive to said transmission center means.