Portable Transponder Response Time Tester and Test Method

Abstract

The invention discloses a tester and a test method for a response time of a portable transponder. The test method comprises the following steps that a processing unit compares output voltage and a starting voltage value, and when the output voltage reaches the starting voltage value, a timer records the moment as a transponder startup moment t1; when the processing unit receives a code receiving signal, the timer records the moment as a code reception start moment t2; when a decoding unit decodes a first frame of correct message, the processing unit obtains a bit number of the first frame of correct message, so that the decoding time Tr=n*T of the first frame of correct message is obtained, wherein T is a symbol cycle; and the processing unit computes to obtain an output message response time Trsp=Tr-(t1-t2) of the transponder and displays the output message response time outwards. According to the tester and the test method for the response time of the portable transponder, the output message response time of the transponder can be measured on the transponder installation scene, so that the trouble of disassembling the transponder to a laboratory to detect is avoided, and the real working condition of the transponder on the scene can be reflected.

Description

technical field [0001] The invention relates to a point transponder transmission system of a train operation control system in the field of railway communication signals, in particular to a portable transponder response time tester and a test method. Background technique [0002] The train operation signal control systems (CTCS-2 and CTCS-3) used in my country's high-speed passenger dedicated lines all rely on ground balises. The ground balise (referred to as balise) is a vehicle-ground information transmission technology that provides key line data (called messages) related to driving safety to the vehicle control device at a key position on the line to achieve automated high-speed safety. Point device for operational control. [0003] The working principle of the balise is: various line data on the ground (such as line length, slope, curve, kilometer mark, commutation point, etc.) are stored by the balise; The vehicle-mounted BTM (transponder transmission module, short f...

AI Technical Summary

Problems solved by technology

If within this period of time, the transponder cannot send redundant messages to the on-board BTM and be effectively decoded by the on-board equipment, it will cause the transponder to "lose points", leading to driving safety accidents or parking, directly affecting driving safety and driving efficiency

However, the current portable transponder response time tester does not have the function of testing the output message response time of the transponder

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