CN211123230U

CN211123230U - Portable automatic debugging system for calibrator

Info

Publication number: CN211123230U
Application number: CN201921551296.0U
Authority: CN
Inventors: 尹成义; 高飞; 蒲申申
Original assignee: Suzhou Taihua Instrument Co ltd
Current assignee: Suzhou Taihua Instrument Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-07-28
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses an automatic debugging system of portable check gauge belongs to check gauge debugging technical field, including the host computer, the host computer is connected with combination formula check gauge through the net gape, and the host computer has the relay group of being connected with combination formula check gauge through serial ports connection, and the host computer has the check gauge that awaits measuring of being connected with relay group through serial ports connection, and the measurement of combination formula check gauge and output interface correspond with the output and the measurement interface of the check gauge that awaits measuring respectively to be connected, and each flow of host computer control debugging system, the host computer is connected with the printer through the USB connecting wire. The utility model discloses can carry out the automatic debugging to each item function of portable check gauge, reduce operating personnel's work load, improve work efficiency, avoid the human factor to influence.

Description

Portable automatic debugging system for calibrator

Technical Field

The utility model relates to a check gauge automatic debugging system especially relates to a portable check gauge automatic debugging system, belongs to check gauge debugging technical field.

Background

The portable calibrator is a hand-held portable instrument which is powered by a built-in lithium battery and is used for measuring and outputting electrical parameters and physical parameters. It can measure current, voltage and millivolt signals, and can be matched with various thermocouple and thermal resistance signals; can output current signals, voltage signals, millivolts, resistance signals, analog thermal resistance and thermocouple outputs, and can also provide DC24V power distribution, and various functions of the portable calibrator are required to be calibrated in the process of producing the portable calibrator.

At present, most portable check gauge are manual debugging, and the debugging process is loaded down with trivial details, leads to missing the inspection, the wrong detection because of artificial reason moreover easily, and the debugging is inefficient, and the data after the debugging need artifically take notes and generate the detection report that dispatches from the factory, makes mistakes easily, and after output increases, the shortcoming that manual debugging is inefficient, occupy a large amount of resources, increase cost is more obvious.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a portable check gauge automatic debugging system can carry out the automatic debugging to each item function of portable check gauge, reduces operating personnel's work load, improves work efficiency, avoids the human factor to influence.

The purpose of the utility model can be achieved by adopting the following technical scheme:

The utility model provides a portable check gauge automatic debugging system, includes the host computer that is used for setting up the measurement of the check gauge that awaits measuring and the measured value that the output parameter acquireed combination formula check gauge, the host computer is connected with combination formula check gauge through the net twine, the host computer have through serial ports connection with the relay group that combination formula check gauge is connected, the host computer have through serial ports connection with the check gauge that awaits measuring that relay group connects, the measurement of combination formula check gauge and output interface respectively with the output of the check gauge that awaits measuring and measurement interface correspond the connection, the inside of relay group is equipped with relay 1-1, relay 1-2, relay 2-1 and relay 2-2, set up simultaneously on the check gauge that awaits measuring with the common terminal that relay 1-1 and relay 2-1 are connected, with the output that relay 2-2 is connected and with the input that relay 1-2 is connected.

Preferably, the upper computer is connected with a printer through a USB connecting line.

Preferably, a database used for storing the precision of each function of the calibrator to be tested in the calibration process is arranged in the upper computer, and the database is a storage space allocated on a computer hard disk.

Preferably, the combined type check meter is a high-precision combined type multi-path check meter, and the combined type check meter outputs standard signals and carries out high-precision measurement.

Preferably, the relay group is used for switching the connection mode of the combined calibrator and the calibrator to be tested, and the calibrator to be tested is equipment to be tested with the functions of measuring and outputting voltage, thermocouple, current, resistance and thermal resistance.

Preferably, the model of the combined type check meter is ET3080, three parameters of current, voltage and resistance can be measured and output, and the precision is 0.05%.

Preferably, the relay group switches the attraction and the disconnection of the relay group according to a command sent by the upper computer, so that the connection mode of the combined calibrator and the calibrator to be tested is changed.

preferably, two HT5.08-10P type plugs and bent pin seats are arranged inside the relay group, an L ED is arranged between the HT5.08-10P type plugs and the bent pin seats, the input end of the L ED is connected with a DC, the output end of the L ED is connected with 510R, and the 510R is connected with an MCU in series.

preferably, the L ED is a 0805 type light-emitting diode, and the DC is a 5V power supply.

The utility model has the advantages of: the utility model provides a debugging problem of portable check gauge, can carry out the automatic debugging to portable check gauge's each item function, input and output error under the different ranges of portable check gauge of automatic measurement, and carry out the analysis to these data, judge whether it satisfies the condition of dispatching from the factory, upload the result of test to the database simultaneously so that the later stage is called, also can print through the printer and generate the detection report that dispatches from the factory, reduce operating personnel's work load, improve work efficiency, avoid the human factor influence.

Drawings

FIG. 1 is a system schematic diagram of a preferred embodiment of a portable calibrator auto-commissioning system according to the present invention;

FIG. 2 is a schematic diagram of system circuit connections for a preferred embodiment of a portable calibrator auto-commissioning system in accordance with the present invention;

Fig. 3 is a circuit diagram of a relay set according to a preferred embodiment of the automatic debugging system of the portable calibrator of the present invention.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-3, the automatic debugging system of portable calibrator provided in this embodiment includes an upper computer for setting measurement and output parameters of a calibrator to be tested to obtain measurement values of a combined calibrator, the upper computer is connected to the combined calibrator via a network cable, the upper computer is connected to a relay group connected to the combined calibrator via a serial port, the upper computer is connected to the calibrator to be tested via a serial port, measurement and output interfaces of the combined calibrator are respectively connected to output and measurement interfaces of the calibrator to be tested, a relay 1-1, a relay 1-2, a relay 2-1 and a relay 2-2 are disposed in the relay group, the calibrator to be tested is provided with a common port connected to the relay 1-1 and the relay 2-1 simultaneously, an output port connected to the relay 2-2 and an input port connected to the relay 1-2, the upper computer is connected with the combined type check gauge through the internet access, the measurement and output parameters of the combined type check gauge are set, the measurement value of the combined type check gauge is obtained, the upper computer is connected with the relay group through the serial port, the connection mode of the relay group is set, the upper computer is connected with the check gauge to be tested through the serial port, the measurement and output parameters of the check gauge to be tested are set, the measurement data of the check gauge to be tested are obtained, the calibration parameters of the check gauge to be tested are set, various functions of the portable type check gauge can be automatically debugged, the input and output errors of the portable type check gauge under different measuring ranges can be automatically measured, the data are analyzed, whether the data meet factory conditions or not is judged, the workload of operators is reduced, the working efficiency is improved, and the influence.

In this embodiment, as shown in fig. 1, a printer is connected to the upper computer through a USB connection line, and the printer is used to print a factory inspection report.

In this embodiment, as shown in fig. 1, a database for storing the precision of each function of the calibrator to be tested in the calibration process is provided in the upper computer, the database is a storage space allocated on a computer hard disk, and the database is directly operated by the control program and is used for storing historical data for later query.

In this embodiment, as shown in fig. 1, the combined calibrator is a high-precision combined multi-path calibrator, which outputs a standard signal and performs high-precision measurement.

in this embodiment, as shown in fig. 2 and 3, the relay group is used to switch a connection mode between the combined type calibration instrument and the calibration instrument to be tested, the calibration instrument to be tested is a device to be tested having measurement and output functions of voltage, thermocouple, current, resistance and thermal resistance, the model of the combined type calibration instrument is ET3080, three parameters of measurable and output current, voltage and resistance are measured, and the precision is 0.05%, the relay group switches the attraction and disconnection of the relay group according to a command sent by an upper computer, so as to change the connection mode between the combined type calibration instrument and the calibration instrument to be tested, two HT 5.08-10P-type plugs + bent pin seats are arranged inside the relay group, an L ED is arranged between the HT 5.08-10P-type plugs + bent pin seats, an input end of the L ED is connected with a DC, an output end of the L ED is connected with 510R, the 510R is connected in series with an MCU, the L ED is a 0805-type light.

An automatic debugging method of an automatic debugging system of a portable calibrator comprises the following steps:

Step 1: firstly, connecting a current output port of the combined type calibrator with a current measuring port of a calibrator to be tested, controlling a relay set by an upper computer to enable an input or output signal of the combined type calibrator to be connected to the calibrator to be tested, and then controlling the combined type calibrator to input or output a standard signal by the upper computer;

Step 2: the upper computer sets the gear of the calibrator to be tested as a current measuring function, controls the combined calibrator to output a standard current signal, acquires calibration data of the calibrator to be tested and writes the calibration data into the calibrator to be tested,

And step 3: the upper computer calculates the precision of the calibrated to-be-detected calibration instrument and writes the calibration data into the to-be-detected instrument;

And 4, step 4: and after debugging is finished, automatically calculating the test error of the calibrator to be tested, storing the data into a database, switching other gears, repeating the steps until debugging is finished, and printing the data into a factory detection report through a printer.

To sum up, in this embodiment, according to the automatic debug system of portable check meter of this embodiment, the automatic debug system of portable check meter that this embodiment provided, the utility model provides a debug problem of portable check meter, can carry out the automatic debugging to each item function of portable check meter, input and output error under the different ranges that can the automatic measure portable check meter to analyze these data, judge whether it satisfies the condition of dispatching from the factory, upload the result of test to the database so that later stage calls simultaneously, also can print through the printer and generate the outgoing inspection report, reduce operating personnel's work load, improve work efficiency, avoid the human factor influence.

The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.

Claims

1. The automatic debugging system of the portable calibrator is characterized by comprising an upper computer, wherein the upper computer is used for setting measurement and output parameters of the calibrator to be tested to obtain a measured value of a combined calibrator, the upper computer is connected with the combined calibrator through a network cable, the upper computer is connected with a relay group connected with the combined calibrator through a serial port, the upper computer is connected with the calibrator to be tested connected with the relay group through a serial port, measurement and output interfaces of the combined calibrator are respectively and correspondingly connected with output and measurement interfaces of the calibrator to be tested, a relay 1-1, a relay 1-2, a relay 2-1 and a relay 2-2 are arranged in the relay group, and a public end, a public end and a public end which are simultaneously connected with the relay 1-1 and the relay 2-1, are arranged on the calibrator to be tested, An output end connected with the relay 2-2 and an input end connected with the relay 1-2.

2. The automatic debugging system of claim 1, wherein the upper computer is connected with a printer through a USB connecting line.

3. The automatic debugging system of claim 1, wherein the upper computer is provided with a database for storing the precision of each function of the calibrator to be tested in the calibration process, and the database is a piece of storage space allocated on a hard disk of a computer.

4. The automatic debugging system of portable calibrator according to claim 1, wherein said combined calibrator is a high-precision combined multi-channel calibrator, and said combined calibrator outputs standard signals and performs high-precision measurement.

5. The system as claimed in claim 1, wherein the relay set is used to switch the connection between the combined calibrator and the calibrator to be tested, and the calibrator to be tested is a device to be tested having the functions of measuring and outputting voltage, thermocouple, current, resistance and thermal resistance.

6. The automatic debugging system of claim 1, wherein the combined type calibrator has a model number ET3080, can measure and output three parameters of current, voltage and resistance, and has a precision of 0.05%.

7. The automatic debugging system of claim 1, wherein the relay set switches between the connection and disconnection of the relay set according to a command sent by the upper computer, thereby changing the connection mode between the combined calibrator and the calibrator to be tested.

8. the automatic debugging system of claim 1, wherein two HT 5.08-10P-type plugs + pogo pin bases are arranged inside the relay group, an L ED is arranged between the HT 5.08-10P-type plugs + pogo pin bases, an input end of the L ED is connected with a DC, an output end of the L ED is connected with 510R, and the 510R is connected with an MCU in series.

9. the portable calibrator automatic debugging system of claim 8, wherein said L ED is a 0805 type L ED and said DC is a 5V power supply.