CN213689804U

CN213689804U - Direct current servo system printing board test system

Info

Publication number: CN213689804U
Application number: CN202022739262.3U
Authority: CN
Inventors: 柴广楠; 马骥; 郑文彬
Original assignee: Jiujiang Precision Measuring Technology Research Institute
Current assignee: Jiujiang Precision Measuring Technology Research Institute
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-07-13
Anticipated expiration: 2030-11-24

Abstract

A printed board test system of a direct current servo system comprises a debugging computer, an MSOX3054T oscilloscope, a 34972A data acquisition unit, an E36312A power supply, a test fixture, a USB data line and a test lead; the test fixture is respectively connected to the output ends of the MSOX3054T oscilloscope, the 34972A data collector and the E36312A power supply through test wires, and the MSOX3054T oscilloscope, the 34972A data collector and the E36312A power supply are connected to a debugging computer through 3 USB data wires 6. The utility model discloses whether can test each test point resistance value of servo system printing board, magnitude of voltage, signal correct, test speed is fast, and easy operation, low to tester's requirement, can provide the test report after the test is accomplished, no longer need artifical record, the accuracy of record is guaranteed by the machine.

Description

Direct current servo system printing board test system

Technical Field

The utility model relates to a direct current servo printing board test system.

Background

In the test of the printed board of the direct current servo system, the traditional method is that a universal meter is used for measuring the ground resistance of each power supply of the printed board of the direct current servo system, whether the resistance value of each point is correct or not is manually judged, then the voltage of each point is tested by electrifying and whether the signal is correct or not is judged, a tester needs to be skilled in using equipment such as an oscilloscope, the universal meter and the like, meanwhile, the requirement on the tester is high and the test efficiency is low. When the printed boards of the direct current servo system are tested in batches, a lot of time is consumed, and mistakes and omissions are difficult to avoid due to manual judgment.

SUMMERY OF THE UTILITY MODEL

The utility model discloses its aim at provides a direct current servo printing board test system to solve the problem among the above-mentioned background art.

The technical scheme adopted for achieving the purpose is that the printed board testing system of the direct current servo system comprises a debugging computer, an MSOX3054T oscilloscope, a 34972A data acquisition unit, an E36312A power supply, a testing jig, a USB data line and a testing lead; the test fixture is respectively connected to an MSOX3054T oscilloscope, a 34972A data collector and an E36312A power supply through test wires, and the MSOX3054T oscilloscope, the 34972A data collector and the E36312A power supply are connected to a debugging computer through 3 USB data lines.

Furthermore, the test fixture comprises a bracket and probes, wherein the probes are respectively connected to the output ends of the MSOX3054T oscilloscope, the 34972A data acquisition unit and the E36312A power supply through 3 test leads;

the positions of the probes in the test fixture 5 are arranged according to the positions of the test points of the printed board to be tested; the tail of the probe is connected with a test lead, and the test lead is numbered according to the position of the probe.

Further, a stylus of the MSOX3054T oscilloscope is connected with the test lead.

Furthermore, the 34972A data collector comprises a 34902A module, and a test lead is connected in the 34902A module.

Further, the output terminal of the E36312A power supply is connected to a test wire.

Advantageous effects

1. The utility model reasonably and effectively solves the problems that whether the printed board is qualified or not needs to be artificially judged when the printed board of the existing DC servo system is tested, and meanwhile, the technical requirement on testers is high, and the testing efficiency is low;

2. the utility model discloses whether can test each test point resistance value of servo system printing board, magnitude of voltage, signal correct, test speed is fast, and easy operation, low to tester's requirement, can provide the test report after the test is accomplished, no longer need artifical record, the accuracy of record is guaranteed by the machine.

Drawings

The present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be further described with reference to the following embodiments and the accompanying drawings.

A direct current servo system printed board test system comprises a debugging computer 1, an MSOX3054T oscilloscope 2, a 34972A data collector 3, an E36312A power supply 4, a test fixture 5, a USB data line 6 and a test lead 7; as shown in fig. 1, the test fixture 5 is connected to MSOX3054T oscilloscope 2, 34972A data collector 3, and E36312A power supply 4 through test wires 7, and MSOX3054T oscilloscope 2, 34972A data collector 3, and E36312A power supply 4 are connected to the debugging computer 1 through 3 USB data lines 6.

The test fixture 5 comprises a bracket 51 and a probe 52, wherein the probe 52 is respectively connected to the output ends of the MSOX3054T oscilloscope 2, the 34972A data acquisition unit 3 and the E36312A power supply 4 through 3 test leads 7; the positions of the probes 52 in the test fixture 5 are arranged according to the positions of the test points of the printed board to be tested; the tail of the probe 52 is connected with a test lead 7, and the test lead 7 is numbered according to the position of the probe 52.

The stylus of oscilloscope 2 of MSOX3054T is connected to test lead 7.

The 34972A data acquisition device 3 comprises a 34902A module, and a test lead 7 is connected in the 34902A module.

The output of the E36312A power supply 4 is connected to a test lead 7.

The utility model comprises a debugging computer 1, a MSOX3054T oscilloscope 2, a 34972A data collector 3, an E36312A power supply 4, a testing fixture 5, three USB data lines 6 and a testing lead 7; the test fixture 5 is formed by combining a bracket 51 and probes 52, and the arrangement positions of the probes 52 are determined according to the positions of test points on a printed board; the testing computer 1 controls the output of the MSOX3054T oscilloscopes 2, the data collector 34972A 3 and the power supply E36312A 4 through the USB data line 6 and reads the testing data; the testing computer 1 automatically judges whether the testing result is correct or not according to the resistance, the voltage and the signal of each testing point of the direct current servo system circuit board measured by the MSOX3054T oscilloscope 2, the 34972A data collector 3 and the E36312A power supply 4, the testing computer passes the testing result correctly, alarms in error and provides a testing report after the testing is finished.

The utility model discloses the theory of operation is, 1 places the printing board, place the printing board on test fixture 5, test fixture 5's probe 52 puts down to press on the test point of printing board, connect test wire 7 on probe 52, test wire 7 is connected to MSOX3054T oscilloscope 2, 34972A data collection station 3, the data acquisition output of E36312A power 4, MSOX3054T oscilloscope 2, 34972A data collection station 3, E36312A power 4 is connected to test computer 1 through USB data line 6; 2, the testing computer 1 is communicated with an MSOX3054T oscilloscope 2, a 34972A data acquisition device 3 and an E36312A power supply 4 through a USB data line 6, and the testing computer 1 controls the oscilloscope 2, the data acquisition device 3 and the power supply 4, reads data and stores the data; 3, testing the printed board, and controlling the work flow of the MSOX3054T oscilloscope 2, the 34972A data collector 3 and the E36312A power supply 4 through the testing computer 1 to realize the functions of automatically testing the printed board, automatically judging whether the printed board is qualified or not and automatically storing test data.

The utility model discloses during the implementation, as shown in fig. 1, including debugging computer 1, MSOX3054T oscilloscope 2, 34972A data collection station 3, E36312A power 4, test fixture 5, USB data line 6, test wire 7.

Firstly, welding a test lead 7 on a probe 52 of a test fixture 5, then connecting the test lead 7 with a 34972A data collector 3, taking out a module 34902A in the 34972A data collector 3, detaching a cover plate of the module 34902A, sequentially connecting each test point lead 7 to the module 34902A, then connecting the test lead 7 with an MSOX3054T oscilloscope 2 stylus, and then connecting the test lead 7 with an E36312A power supply 4; USB data line 6 is then used to connect MSOX3054T oscilloscope 2, 34972A data collector 3, E36312A power supply 4 and test computer 1.

Then, a testing computer 1, an MSOX3054T oscilloscope 2, an 34972A data collector 3 and an E36312A power supply 4 are opened, a direct current servo system circuit board is placed on a testing jig 5, a testing jig probe is pressed on a circuit board testing point, resistance, voltage, signal frequency and amplitude of each testing point of a driver printed board are read in the testing computer 1, and data recording is carried out to complete implementation of the direct current servo system printed board testing system.

Claims

1. A printed board test system of a direct current servo system comprises a debugging computer (1), an MSOX3054T oscilloscope (2), a 34972A data acquisition unit (3), an E36312A power supply (4), a test fixture (5), a USB data line (6) and a test lead (7); the test fixture (5) is connected to an MSOX3054T oscilloscope (2), an MSOX 34972A data acquisition device (3) and an E36312A power supply (4) through a test lead (7), and the MSOX3054T oscilloscope (2), the MSOX 972A data acquisition device (3) and the E36312A power supply (4) are connected to a debugging computer (1) through 3 USB data lines (6).

2. The system for testing the printed board of the direct current servo system is characterized in that the test fixture (5) comprises a bracket (51) and a probe (52), wherein the probe (52) is respectively connected to the output ends of an MSOX3054T oscilloscope (2), an 34972A data collector (3) and an E36312A power supply (4) through 3 test wires (7); the positions of the probes (52) in the test fixture (5) are arranged according to the positions of the test points of the printed board to be tested; the tail part of the probe (52) is connected with a test lead (7), and the test lead (7) is numbered according to the position of the probe (52).

3. The system for testing the printed board of the direct current servo system as claimed in claim 1, wherein the stylus of the MSOX3054T oscilloscope (2) is connected with the test lead (7).

4. The system for testing the printed board of the direct current servo system as claimed in claim 1, wherein the 34972A data collector (3) comprises a 34902A module therein, and the test lead (7) is connected in the 34902A module.

5. The system for testing the printed board of the direct current servo system as claimed in claim 1, wherein the output end of the E36312A power supply (4) is connected to the test lead (7).