Unattended calibrating device for railway track signal online measuring instrument

Abstract

The utility model relates to the technical field of railway verification, in particular to an unattended verification device for a railway track signal online measuring instrument, which comprises a standard signal source output unit, a standard electrical parameter measuring unit, an intelligent standard signal output control unit and an intelligent tray, the intelligent signal output control unit sends a standard signal to an output port of the intelligent tray bearing the track signal online measuring instrument, and the standard electrical parameter measuring unit measures a standard output signal of the standard signal output unit as a measuring standard. The utility model has the advantages that the calibration work of electrical parameters such as voltage, current, frequency shift, high-voltage pulse, impedance, capacitance and the like of a plurality of on-line track signal measuring instruments can be automatically completed in batches in an unattended state, calibration records and calibration reports can be given, and further, a systematized control system can be configured, so that the calibration efficiency can be improved. Automatic intelligent detection and data management are realized, and the security and traceability of data are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway verification technical field, concretely relates to a railway track signal on -line measuring appearance unattended verification device. BACKGROUND

[0002] According to JJG (railway) 702-2021 "railway track signal on -line measuring appearance verification regulation " and JJG (railway) 1079-2013 "railway track signal test equipment comprehensive calibration device " regulation, track signal on -line measuring appearance is mainly the railway special measuring instrument that carries out on -line test to railway track circuit signal. It is used for the on -the -spot installation debugging, detection and fault judgment of railway station, interval track circuit. The existing problems have: verification measurement point is numerous, operation time is long, and the labor intensity of verification personnel is high, and the verification quality is greatly influenced by human. SUMMARY

[0003] The utility model discloses a kind of railway track signal on -line measuring appearance unattended verification devices, in the state of unattended, batch automatically complete the verification work of voltage, current, frequency shift, high voltage pulse, impedance, capacitance etc.

[0004] The utility model discloses a kind of railway track signal on -line measuring appearance unattended verification devices, in the state of unattended, batch automatically complete the verification work of voltage, current, frequency shift, high voltage pulse, impedance, capacitance etc.

[0005] A kind of railway track signal on -line measuring appearance unattended verification device, it is characterized by: including standard signal source output unit, standard electrical parameter measurement unit, intelligent standard signal output control unit and intelligent tray, the standard signal unit generates standard signal, the intelligent signal output control unit is sent to the output port of the intelligent tray that bears track signal on -line measuring appearance with standard signal, the standard electrical parameter measurement unit measures the standard output signal of the standard signal output unit as measurement standard.

[0006] The standard signal source output unit includes function generator, digital bridge, DC source, the standard signal including voltage signal, current signal, double-way phase difference signal, ac count signal and high voltage pulse signal generated by function generator, the digital bridge generates the standard signal of compensation capacitance and impedance verification, and the DC source generates DC voltage signal.

[0007] Including power amplifier, the power amplifier is used to amplify the voltage signal and current signal generated by the standard signal source output unit in the verification process.

[0008] Including digital multimeter, the digital multimeter is used to calibrate the voltage signal and current signal generated by the standard signal source output unit.

[0009] The condition control box is used for switching a test item.

[0010] The utility model discloses a kind of railway track signal online measurement instruments, which can be batch automatically completed in unattended state Voltage, current, frequency shift, high voltage pulse, impedance, capacitance and other electrical parameters of a plurality of track signal online measurement instruments, and simultaneously issues verification record and verification report, and further eliminates original manual operation detection and data record traditional mode;Further, through configuration system control system, one-key automatic measurement, comparison, analysis detection mode can be realized, so as to realize automatic intelligent detection and data management, guarantee the security and traceability of data;Simple and reasonable principle, convenient to use, suitable for promotion. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the structural diagram of the utility model;

[0012] Figure 2 It is the internal drawing of the utility model;

[0013] Figure 3 It is the structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0014] The features and other related features of the utility model are further described in detail by examples combined with drawings, so as to facilitate the understanding of technicians in the same industry:

[0015] As shown in Figures 1-3 The reference numerals 1-19 in the drawing represent No. 1 cabinet 1, No. 2 cabinet 2, monitoring display 3, intelligent verification tray bin 4, standard appliance bin 5, mouse keyboard drawer 6, storage drawer 7, main control display 8, computer host 9, power amplifier 10, function generator 11, digital bridge 12, digital multimeter 13, direct current source 14, condition control box 15, intelligent control box 16, first intelligent tray 17, second intelligent tray 18 and third intelligent tray 19.

[0016] Example: as Figure 1 shown, the railway track signal online measurement instrument unattended verification device in the embodiment is divided into No. 1 cabinet 1 and No. 2 cabinet 2, and each unit is installed in No. 1 cabinet 1 or No. 2 cabinet 2.

[0017] Among them, No. 1 cabinet 1 has main control display 8, and the whole system of the verification device runs on main control display 8; Storage drawer 7 can accommodate test connection lines and other required items in work; Wireless mouse and keyboard of main control computer are placed in mouse keyboard drawer 6; Standard appliances required for verification are mainly placed in standard appliance bin 5.

[0018] The second cabinet 2 has a monitoring display 3, which communicates with the main control computer in the first cabinet 1 and displays the operation of the whole system in real time; the intelligent test tray bin 4 mainly stores intelligent test trays.

[0019] As shown in the first cabinet 1, the following devices are built-in: Figure 2

[0020] The computer host 9 mainly runs the test system software to control the output and test of all standard instruments; in some cases, the test system software can use the software in the prior art or be simply developed by those skilled in the art according to the actual target.

[0021] The power amplifier 10 is a signal power amplification unit of the system, which amplifies the voltage signal and the current signal in the test process.

[0022] The function generator 11 can generate all standard signals required by the test system, including voltage signals, current signals, two-way phase difference signals, AC count signals and high-voltage pulse signals. During the test, the test of compensation capacitance and impedance is measured by the digital bridge 12 as the test basis.

[0023] The digital multimeter 13 can calibrate all voltage signals and current signals.

[0024] The DC source 14 can output the DC voltage signal required for the test.

[0025] The condition control box 15 can switch all test items to realize the automation and intelligentization of the test process.

[0026] The following devices are built-in in the second cabinet 2:

[0027] The intelligent control box 16 controls the intelligent tray, automatically switches the voltage measurement port and the current measurement port of the tested instrument, and reduces the human workload and human test error.

[0028] Three intelligent test trays are built-in, including the first intelligent test tray 17, the second intelligent test tray 18 and the third intelligent test tray 19, each of which bears six tested instruments and their supporting current clamps. The intelligent test tray is the signal output terminal of the test system.

[0029] Although the above embodiments have been described in detail with reference to the accompanying drawings for the purpose of the conception and embodiments of the present application, those skilled in the art can realize that various improvements and changes can be made to the present application without departing from the scope defined by the claims, and therefore, detailed description is not given here.​

Claims

1. An unattended calibration device for an online railway track signal measuring instrument, characterized in that: It includes a standard signal source output unit, a standard electrical parameter measurement unit, an intelligent standard signal output control unit, and an intelligent tray. The standard signal unit generates a standard signal, and the intelligent signal output control unit sends the standard signal to the output port of the intelligent tray, which carries the online track signal measuring instrument. The standard electrical parameter measurement unit measures the standard output signal of the standard signal output unit as the measurement standard.

2. The unattended calibration device for an online railway track signal measuring instrument according to claim 1, characterized in that: The standard signal source output unit includes a function generator, a digital bridge, and a DC source. The standard signals generated by the function generator include voltage signals, current signals, dual-channel phase difference signals, AC counting signals, and high-voltage pulse signals. The digital bridge generates standard signals for compensation capacitors and impedance verification. The DC source generates DC voltage signals.

3. The unattended calibration device for an online railway track signal measuring instrument according to claim 1, characterized in that: It includes a power amplifier, which is used to amplify the voltage and current signals generated by the standard signal source output unit during the verification process.

4. The unattended calibration device for an online railway track signal measuring instrument according to claim 1, characterized in that: Includes a digital multimeter, which is used to calibrate the voltage and current signals generated by the standard signal source output unit.

5. The unattended calibration device for an online railway track signal measuring instrument according to claim 1, characterized in that: It includes a condition control box, which is used to switch verification items.

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