Automatic test equipment for aviation board position sensor and control method
1. The utility model provides an aviation board position sensor automatic test equipment, includes the industry control platform that is used for whole equipment control, its characterized in that: further comprising:
the test module is matched with the industrial control platform and can detect and record the output voltages of the main channel sensor, the backup channel sensor and the automatic synchronizer, the output angle value of the sensor and the insulation resistance value among pins of the sensor;
and the line control module is matched with the test module and is connected with the aviation board position sensor (9) through a test cable (8), and corresponding lines can be automatically gated according to the upper computer test software flow so as to complete corresponding tests.
2. The automatic test equipment of an aviation board position sensor according to claim 1, characterized in that: the industrial control platform comprises an industrial control computer (3) used for controlling software and hardware of the whole equipment, a power supply conversion module (1) used for converting 220V/50HZ into AC36V/400Hz, AC6V/400Hz and DC12V, and a high-definition touch display screen (2) used for displaying a software operation interface.
3. The automatic test equipment of an aviation board position sensor according to claim 2, characterized in that: the software system in the industrial personal computer (3) is as follows:
a) the method comprises the steps of having a self-checking software process of the equipment;
b) the software process comprises the steps of switching on and off a board card gating circuit through a serial port program control relay and detecting a voltage signal through a program control multimeter board card;
c) the software process for reading the angle value of the angle position transmitter is provided;
d) the software process for calculating the linearity of the main channel sensor and the backup channel sensor is provided;
e) the software process for calculating the tracking error of the automatic synchronizer is provided;
f) judging whether the test result is qualified or not, and displaying the test item and the judgment result thereof in a software flow of a record table;
g) the software process for automatically testing the electrical performance of the aviation board position sensor is provided;
h) and after the automatic test is finished, a software process for storing and recording the form data is provided.
4. The automatic test equipment of an aviation board position sensor according to claim 1, characterized in that: the test module comprises a program-controlled multimeter board card (4) for measuring voltage signals, a program-controlled angular position transmitter (5) for analyzing the output signals of the sensor into angular signals, and a program-controlled insulation resistance tester (6) for detecting the insulation between the pins of the sensor.
5. The automatic test equipment of an aviation board position sensor according to claim 1, characterized in that: the line control module is composed of two programmable relay switch board cards (7).
6. The control method of the automatic test equipment for the aviation board position sensor, which utilizes any one of claims 1 to 5, comprises the following steps: the method is characterized in that: the method comprises the following specific steps:
step a), connecting a cable: the method has the steps of connecting cables before automatic testing to ensure firmness;
step b), system self-checking: the method comprises the steps of prompting an operator and information of a tested piece to be input, carrying out self-checking on the equipment system after the input is finished, if the self-checking is unsuccessful, popping up a prompting window, and terminating the test;
step c), main channel zero position test: the method comprises the steps of testing the zero voltage of a main channel sensor, automatically recording data after the test is finished, and giving a judgment result;
step d), backup channel zero position test: the method comprises the steps of testing zero position inconsistency of a main channel sensor and a backup channel sensor and testing zero position voltage of the backup channel sensor, automatically recording data after the testing is finished, and giving a judgment result;
step e), testing the zero position of the automatic synchronizer: the method comprises the steps of testing the inconsistency between the zero position of the automatic synchronizer and the zero position of the sensor shaft and testing the zero position voltage of the automatic synchronizer, automatically recording data after the test is finished, and giving a judgment result;
step f), nonlinear testing of the main channel sensor: the method comprises the steps of carrying out nonlinear test on a main channel sensor, automatically recording data after the test is finished, and giving a judgment result;
step g), nonlinear testing of the backup channel sensor: the method comprises the steps of carrying out nonlinear test on a backup channel sensor, automatically recording data after the test is finished, and giving a judgment result;
step h), testing the tracking error of the sensor: the method comprises the steps of testing the tracking error of the sensor, automatically recording data after the test is finished, and giving a judgment result;
step i), insulation resistance testing: the method comprises the steps of testing the insulation resistance, automatically recording data after the test is finished, and giving a judgment result;
step j), giving a test report: after all the steps are tested, the steps of giving test reports are provided, and the test reports can be stored and printed.
Background
At present, a testing device of an aviation board position sensor is used for manual testing and has no self-checking function, the device has safety risk when the sensor is powered on, data generated in the testing process needs to be recorded manually, and finally the data is input into a computer for corresponding processing. Because the testing process is complex, more data need to be processed, certain steps can be carried out only by matching two testing personnel, the workload is large, the efficiency is low, and the human errors are correspondingly increased.
Disclosure of Invention
In order to solve the problems, the invention provides automatic testing equipment and a control method for an aviation board position sensor.
The utility model provides an aviation board position sensor automatic test equipment, includes the industry control platform that is used for whole equipment control, still includes:
the test module is matched with the industrial control platform and can detect and record the output voltages of the main channel sensor, the backup channel sensor and the automatic synchronizer, the output angle value of the sensor and the insulation resistance value among pins of the sensor;
and the line control module is matched with the test module and is connected with the aviation board position sensor through a test cable, and corresponding lines can be automatically gated according to the test software flow of the upper computer so as to complete corresponding tests.
The industrial control platform comprises an industrial control computer for controlling software and hardware of the whole equipment, a power supply conversion module for converting 220V/50HZ into AC36V/400Hz, AC6V/400Hz and DC12V, and a high-definition touch display screen for displaying a software operation interface.
The software system in the industrial personal computer is as follows:
a) the method comprises the steps of having a self-checking software process of the equipment;
b) the software process comprises the steps of switching on and off a board card gating circuit through a serial port program control relay and detecting a voltage signal through a program control multimeter board card;
c) the software process for reading the angle value of the angle position transmitter is provided;
d) the software process for calculating the linearity of the main channel sensor and the backup channel sensor is provided;
e) the software process for calculating the tracking error of the automatic synchronizer is provided;
f) judging whether the test result is qualified or not, and displaying the test item and the judgment result thereof in a software flow of a record table;
g) the software process for automatically testing the electrical performance of the aviation board position sensor is provided;
h) and after the automatic test is finished, a software process for storing and recording the form data is provided.
The test module comprises a program-controlled multimeter board card for measuring voltage signals, a program-controlled angular position transmitter for analyzing the output signals of the sensor into angular signals, and a program-controlled insulation resistance tester for detecting the insulation between the pins of the sensor.
The line control module is composed of two programmable relay switch board cards.
A control method of automatic test equipment of an aviation board position sensor comprises the following steps: the method comprises the following specific steps:
step a), connecting a cable: the method has the steps of connecting cables before automatic testing to ensure firmness;
step b), system self-checking: the method comprises the steps of prompting an operator and information of a tested piece to be input, carrying out self-checking on the equipment system after the input is finished, if the self-checking is unsuccessful, popping up a prompting window, and terminating the test;
step c), main channel zero position test: the method comprises the steps of testing the zero voltage of a main channel sensor, automatically recording data after the test is finished, and giving a judgment result;
step d), backup channel zero position test: the method comprises the steps of testing zero position inconsistency of a main channel sensor and a backup channel sensor and testing zero position voltage of the backup channel sensor, automatically recording data after the testing is finished, and giving a judgment result;
step e), testing the zero position of the automatic synchronizer: the method comprises the steps of testing the inconsistency between the zero position of the automatic synchronizer and the zero position of the sensor shaft and testing the zero position voltage of the automatic synchronizer, automatically recording data after the test is finished, and giving a judgment result;
step f), nonlinear testing of the main channel sensor: the method comprises the steps of carrying out nonlinear test on a main channel sensor, automatically recording data after the test is finished, and giving a judgment result;
step g), nonlinear testing of the backup channel sensor: the method comprises the steps of carrying out nonlinear test on a backup channel sensor, automatically recording data after the test is finished, and giving a judgment result;
step h), testing the tracking error of the sensor: the method comprises the steps of testing the tracking error of the sensor, automatically recording data after the test is finished, and giving a judgment result;
step i), insulation resistance testing: the method comprises the steps of testing the insulation resistance, automatically recording data after the test is finished, and giving a judgment result;
step j), giving a test report: after all the steps are tested, the steps of giving test reports are provided, and the test reports can be stored and printed.
The invention has the beneficial effects that: the invention can provide high-efficiency and stable input voltage for the board position sensor, and before the product is powered, the equipment can carry out self-checking verification on the power supply so as to ensure the use safety; the zero voltage of the main channel sensor, the backup channel sensor and the automatic synchronizer can be automatically detected and recorded, and a test result is given; the linearity of the main channel sensor and the backup channel sensor can be automatically calculated, and a test result is given; the tracking error of the automatic synchronizer can be automatically calculated, and a test result is given; the insulation resistance test can be automatically carried out, and a test result is given.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a block diagram of the apparatus of the present invention;
FIG. 2 is a schematic view of the flow structure of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below.
As shown in fig. 1 and fig. 2, an automatic testing apparatus for an aviation board position sensor includes an industrial control platform for controlling the whole apparatus, and further includes:
the test module is matched with the industrial control platform and can detect and record the output voltages of the main channel sensor, the backup channel sensor and the automatic synchronizer, the output angle value of the sensor and the insulation resistance value among pins of the sensor;
and the line control module is matched with the test module and is connected with the aviation board position sensor 9 through the test cable 8, and corresponding lines can be automatically gated according to the test software flow of the upper computer so as to complete corresponding tests.
The invention can provide high-efficiency and stable input voltage for the board position sensor, and before the product is powered, the equipment can carry out self-checking verification on the power supply so as to ensure the use safety; the zero voltage of the main channel sensor, the backup channel sensor and the automatic synchronizer can be automatically detected and recorded, and a test result is given; the linearity of the main channel sensor and the backup channel sensor can be automatically calculated, and a test result is given; the tracking error of the automatic synchronizer can be automatically calculated, and a test result is given; the insulation resistance test can be automatically carried out, and a test result is given.
The industrial control platform comprises an industrial control computer 3 for controlling software and hardware of the whole equipment, a power supply conversion module 1 for converting 220V/50HZ into AC36V/400Hz, AC6V/400Hz and DC12V, and a high-definition touch display screen 2 for displaying a software operation interface.
The industrial personal computer 3 adopts porphyry ARK-1123C.
The power supply conversion module 1 adopts YHM-Q126.6S34LS.
The high-definition touch display screen 2 adopts 1 QC-121IPE2RcaU-X6 with 12.1 inches.
The upper computer measurement and control software of the equipment is developed based on a Labwindows/CVI platform, the test process is completely compiled according to the test process of the aviation board position sensor, a tester only needs to do a small amount of necessary auxiliary operation according to software prompt, all test processes are carried out fully automatically according to the software process, the equipment automatically calculates relevant parameters and gives a test result, and after the test is finished, a test report can be stored and printed.
The software system in the industrial personal computer 3 is as follows:
a) the method comprises the steps of having a self-checking software process of the equipment;
b) the software process comprises the steps of switching on and off a board card gating circuit through a serial port program control relay and detecting a voltage signal through a program control multimeter board card;
c) the software process for reading the angle value of the angle position transmitter is provided;
d) the software process for calculating the linearity of the main channel sensor and the backup channel sensor is provided;
e) the software process for calculating the tracking error of the automatic synchronizer is provided;
f) judging whether the test result is qualified or not, and displaying the test item and the judgment result thereof in a software flow of a record table;
g) the software process for automatically testing the electrical performance of the aviation board position sensor is provided;
h) and after the automatic test is finished, a software process for storing and recording the form data is provided.
The test module comprises a program-controlled multimeter board card 4 for measuring voltage signals, a program-controlled angular position transmitter 5 for analyzing the output signals of the sensor into angular signals, and a program-controlled insulation resistance tester 6 for detecting the insulation between the pins of the sensor.
The program-controlled multimeter board card 4 adopts U2741A; the program-controlled angular position transmitter 5 adopts 1 FB902C-S4E43-04A 1; the program-controlled insulation resistance tester 6 adopts a daily ST 5520.
The line control module is composed of two programmable relay switch board cards 7.
The program control relay switch board card 7 is 2 Debino Modbus RTU 32.
The test software of the upper computer is developed based on a Labwindows/CVI platform, the equipment has a self-checking function to ensure the use safety, only one tester is needed in the whole process, a small amount of necessary auxiliary operation is performed according to software prompts, all the rest test processes are performed automatically according to software flows, the equipment automatically calculates relevant parameters and gives test results, after the test is finished, test reports can be stored and printed, and the whole test efficiency is greatly improved.
A control method of automatic test equipment of an aviation board position sensor comprises the following steps: the method comprises the following specific steps:
step a), connecting a cable: the method has the steps of connecting cables before automatic testing to ensure firmness;
step b), system self-checking: the method comprises the steps of prompting an operator and information of a tested piece to be input, carrying out self-checking on the equipment system after the input is finished, if the self-checking is unsuccessful, popping up a prompting window, and terminating the test;
step c), main channel zero position test: the method comprises the steps of testing the zero voltage of a main channel sensor, automatically recording data after the test is finished, and giving a judgment result;
step d), backup channel zero position test: the method comprises the steps of testing zero position inconsistency of a main channel sensor and a backup channel sensor and testing zero position voltage of the backup channel sensor, automatically recording data after the testing is finished, and giving a judgment result;
step e), testing the zero position of the automatic synchronizer: the method comprises the steps of testing the inconsistency between the zero position of the automatic synchronizer and the zero position of the sensor shaft and testing the zero position voltage of the automatic synchronizer, automatically recording data after the test is finished, and giving a judgment result;
step f), nonlinear testing of the main channel sensor: the method comprises the steps of carrying out nonlinear test on a main channel sensor, automatically recording data after the test is finished, and giving a judgment result;
step g), nonlinear testing of the backup channel sensor: the method comprises the steps of carrying out nonlinear test on a backup channel sensor, automatically recording data after the test is finished, and giving a judgment result;
step h), testing the tracking error of the sensor: the method comprises the steps of testing the tracking error of the sensor, automatically recording data after the test is finished, and giving a judgment result;
step i), insulation resistance testing: the method comprises the steps of testing the insulation resistance, automatically recording data after the test is finished, and giving a judgment result;
step j), giving a test report: after all the steps are tested, the steps of giving test reports are provided, and the test reports can be stored and printed.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.