CN217007505U - Special debugging table for airplane disc box - Google Patents
Special debugging table for airplane disc box Download PDFInfo
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- CN217007505U CN217007505U CN202122542809.5U CN202122542809U CN217007505U CN 217007505 U CN217007505 U CN 217007505U CN 202122542809 U CN202122542809 U CN 202122542809U CN 217007505 U CN217007505 U CN 217007505U
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Abstract
The utility model relates to a special debugging table developed for detection after assembly of a certain type of airplane disc box, and belongs to the technical field of testing instruments. A special debugging table for an airplane disc box part comprises a test interface box, a test control box and an industrial personal computer measurement and control instrument; the test interface box comprises a switch board measurement interface board and a relay measurement interface board, and the interface board is used for classifying and collecting signals of the switch board and the relay; the test control box is used for accessing signals of the test interface box and is adaptive to signals of a measurement and control instrument of the industrial personal computer; the test interface box, the test control box and the industrial personal computer measurement and control instrument are integrated on a desktop cabinet. The utility model has the following advantages: 1. automatically collecting and processing test data; 2. the test efficiency and the test accuracy are improved, and the test is safe and reliable; 3. for different switch boxes and relay boxes, only the interface box is manufactured according to signal classification and collection, and the test software can be directly applied only by simple change.
Description
Technical Field
The utility model relates to a special debugging table developed for detection after assembly of a certain type of airplane disc box, and belongs to the technical field of testing instruments.
Background
The disc box piece of a certain airplane comprises various relay boxes and electrical switch boxes, and is an important component of an aviation product, the normal work of a full-airplane finished accessory can be directly influenced due to power supply control abnormity, various tests are required before production is completed and delivery and use, and the delay time of electrical logic and time relays of the disc box piece needs to be tested before and after each test. Due to the fact that the tray box is various in types and very complex in circuit, the manual inspection method is time-consuming and labor-consuming, and is prone to causing missing inspection and false inspection, or components in the tray box are damaged due to improper manufacturing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provides a special debugging table capable of realizing semi-automatic testing and automatic testing on the delay time of the electrical logic and the time relay of various box parts used on a certain type of airplane.
In order to achieve the purpose, the utility model adopts the following technical scheme: a special debugging table for an airplane disc box piece comprises a test interface box, a test control box and an industrial personal computer measurement and control instrument; the test interface box comprises a switch board measurement interface board and a relay measurement interface board, wherein the interface board is used for classifying and collecting signals of the switch board and the relay; the test control box is used for accessing a test interface box signal and is adaptive to a signal of the industrial personal computer measurement and control instrument; the test interface box, the test control box and the industrial personal computer measurement and control instrument are integrated on a desktop cabinet.
Preferably, the number of the switch board measuring interface boards is 4; the number of the relay measurement interface boards is 2.
Preferably, the test control box comprises a photoelectric isolation input terminal board, a relay output board, an integrated stabilized voltage power supply, an input/output switching board and a signal conditioning board.
Preferably, the industrial personal computer measuring and controlling instrument comprises an industrial personal computer, a digital input card, a digital output card, an A/D data acquisition card and test software; the industrial personal computer is converted into an analog control signal through a relay output board by a digital output card; the collected electric logic signal is converted into digital quantity signal by photoelectric isolated digital input terminal board, and is inputted into industrial control computer by means of digital input card.
Preferably, the test software is designed using LabWindows/CVI.
Preferably, the test software comprises five menus of system self-check, relay box test, switch box test, database query & printing and exit,
preferably, the special debugging table is of a piano table type cabinet structure.
When the electrical logic of the switch box is tested, a test program controls to send out an instruction, the industrial personal computer controls the digital output card to output a digital signal, the digital signal is driven to be output by the relay output board, a switch box control signal is simulated, a tester switches on a corresponding switch according to the prompt of software, and the switch box generates the change of the electrical logic. The electric logic signal collected from the switch box is converted by the photoelectric isolation board and then input to the industrial personal computer through the digital input card, and the test program compares, interprets and processes the input signal with the standard state and then outputs the electric logic test result.
When the electrical logic of the relay box is tested, a test program controls to send out an instruction, the industrial personal computer controls the digital output card to output a digital signal, the digital signal is driven to be output by the relay output board, and the positive control signal and the negative control signal of the relay box are simulated, so that the relay in the relay box generates corresponding actions, and the relay box generates the change of the electrical logic. The electric logic signal collected from the relay box is converted by the photoelectric isolation board and then input to the industrial personal computer through the digital input card, and the test program compares, interprets and processes the input signal with the standard state and then outputs the electric logic test result.
If the measured electrical logic result is consistent with the standard state, the indicator lamps on the test software interface representing the plug core wires of the tested switch box/relay box have no flicker (bright red represents that high level is collected and is consistent with the standard state, bright green represents that low level is collected and is consistent with the standard state), and the switch box/relay box is qualified. If the measured electrical logic result is not consistent with the standard state, the plug of the tested switch box/relay box is in error, the indicator lamp of the core wire flickers (if the red and yellow flickers indicate that the original level is low but the actual high level is acquired, and the green and yellow flickers indicate that the original level is high but the actual low level is acquired), and the switch box/relay box is unqualified.
When the delay time of the time relay is tested, the system triggers a timing/counter in the industrial personal computer to start counting and stop counting through the control of a test program, and outputs a delay time test result of the time relay after the counting result is quantitatively compared and processed.
If the measured time is within the allowable error range of the time relay, the time is displayed on the test software interface and the 'delay time is qualified'. If the time relay coil is not electrified, the test software interface can prompt that the time delay cannot be started. If the measured time is out of tolerance, the test software interface will prompt 'delay time is over'.
Compared with the prior art, the utility model has the following advantages:
1. the test process is controlled by a computer, test data are automatically collected and processed, and the device not only can display and print the test result, but also can inquire the test result;
2. the test efficiency and the test accuracy are improved, and the test is safe and reliable;
3. the test control box and the industrial personal computer measurement and control instrument of the special debugging table are universal test platforms, and for different switch boxes and relay boxes, only the interface boxes need to be manufactured according to signal classification, and test software can be directly applied only by simple change.
Drawings
FIG. 1 is a diagram of the structure and layout of an embodiment of the present invention;
FIG. 2 is a front panel view of a test interface box in an embodiment of the present invention;
FIG. 3 is a rear panel view of a test interface box in an embodiment of the present invention;
FIG. 4 is a front panel view of a test control box in an embodiment of the present invention;
FIG. 5 is a rear panel view of a test control box in an embodiment of the present invention;
FIG. 6 is a schematic and connection block diagram of an embodiment of the present invention;
in the figure, 1, a test interface box; 2. a test control box; 3. and an industrial personal computer measurement and control instrument.
Detailed Description
The utility model will be further described with reference to the accompanying figures 1-6 and the detailed description of the utility model:
a special debugging platform for airplane tray box parts adopts a platform type cabinet structure, as shown in figure 1, and consists of a test interface box, a test control box and an industrial personal computer measurement and control instrument.
As shown in fig. 1-3, the test interface box 1 is composed of a switch board 1 measurement interface board, a switch board 2 measurement interface board, a switch board 3 measurement interface board, a switch board 4 measurement interface board, a relay 1 measurement interface board, and a relay 2 measurement interface board; the interface board is used for classifying (positive input, negative input, positive control and negative control) and collecting signals of 4 switch boards and two relay boxes, and then sharing the same set of test resources;
as shown in fig. 1, 4 and 5, a test control box 2 is accessed according to the signal collected by a test interface box 1, then signal isolation and conversion are carried out to adapt to the signal of a measurement and control instrument of an industrial personal computer, and the test control box consists of 6 24 isolated input terminal boards, 2 24 relay output terminal boards, an input/output switching and signal conditioning board and an integrated stabilized voltage power supply (comprising a power control switch, a positive control indicator lamp and a negative control indicator lamp);
as shown in FIG. 6, the industrial control computer monitor 3 is the center of the system and is composed of an industrial control computer, 144 digital input cards, 48 digital output cards, 16A/D data acquisition cards and test software. The industrial personal computer is used for participating in control, test data processing and quantification and driving test data display, and is converted into an analog control signal through a relay output board by a digital output card; the collected electric logic signal is converted into a digital quantity signal through a photoelectric isolation digital input terminal board, the digital quantity signal is input into an industrial personal computer through a digital input card, and in addition, the delay time of the time relay in the relay box is tested by utilizing a system clock.
The testing software adopts LabWindows/CVI design, and is modularly designed according to a plurality of sub-modules of port initialization, data acquisition, data processing, data result query and archiving and the like, and a main interface of the testing software comprises five menus of system self-check, relay box test, switch box test, database query and printing and exit.
The system self-checking menu is used for sending a system self-checking instruction, the system automatically checks the working voltage and each path of input and output signals, the analog indicator light flickers for fault prompt, no flickers indicate that the input and output signals are normal, the working voltage is displayed by the analog voltmeter, and a time calibration function is designed on a system self-checking interface and can be used for calibrating the time measurement function during periodic calibration.
The item of the relay box test can select the corresponding relay box, and two test modes of single step test/continuous test are designed. The method comprises the following specific steps:
1) the method comprises the following steps that in a single-step test mode, a test starting button is used for starting a test, after the test is started, the indicator lamps representing plug core wires on the test starting button do not flicker, and if the indicator lamps flicker, the test is required to be carried out; while the command 1 button is on. And sequentially clicking the instructions in sequence to test. If no flashing indicator light appears in the test process of each instruction, the relay box is qualified, if the flashing indicator light appears, the relay box is unqualified, and the test is needed (in the process of testing the delay, the flashing indicator light appears when the delay is not finished, and the relay box can turn into no flashing after the delay is finished, which is a normal phenomenon). During the test time, the interface prompts "delay time is being measured, please wait! ". After the time test is finished, a prompt box of ' delay state display ' appears on the interface, and if the measured time is qualified, the prompt box of ' delay time is qualified! If the measured time is not qualified, the 'delay time cannot be started' or 'delay time is overtime' is displayed. Meanwhile, the condition of the relay box can be judged according to the correct or wrong state of the test result of each instruction displayed in the test result column. The 'stop test' is used for terminating the test, returning to the single-step test interface after the test is terminated, and returning to the main interface after clicking 'quit';
2) in the 'continuous test' mode, when the tested relay box is in an initial state, the indicator lamps on the plug core wires do not flicker, and if the indicator lamps flicker, the inspection is required. After clicking 'select all instructions', clicking 'send out instruction' can send out the instruction and enter the test process. If the relay box to be tested has a time relay, the delay time of the relay box can be tested in the process of sending the instruction. During the test time, the interface prompts "delay time is being measured, please wait! ". After the time test is finished, a prompt box of ' delay state display ' appears on the interface, and if the measured time is qualified, the prompt box of ' delay time is qualified! "if the measured time is not qualified, it will show" delay time can't start "or" delay time overtime ";
3) after the test is finished, the state of each instruction is checked by clicking a 'screen turning instruction', if no flashing light appears in each instruction, the relay box is qualified, if the flashing light appears, the relay box is unqualified, the check is needed, and meanwhile, the quality of the relay box can be judged through the correct or wrong state of the test result of each instruction displayed in the instruction state column;
4) clicking 'no-disk-storage quit', returning to the continuous test interface, testing again or clicking 'quit', returning to the main interface, clicking 'disk-storage quit', generating a test data interface, filling corresponding information according to the prompt, and displaying the test result in a 'result display' column; and clicking 'Excel form processing and printing' on the interface to generate an Excel form processing file and print the Excel form processing file, clicking 'database storage' to store the measured data and return the data to the continuous test interface of the relay box 1, and re-testing or clicking 'exit' to return to the main interface.
The menu item of 'switch box test' can select the corresponding switch box, when the interface is in the initial state of the switch box to be tested, the indicator lights on the plug core wire are all required to be not flickered, and if the indicator lights are flickered, the inspection is required. The instructions are clicked in sequence in the instruction set, the indicator lamps of all plug core wires are checked to have no flicker, if the indicator lamps flicker (in the test process, the flicker indicator lamps appear during the switching action, and the flicker is avoided after the confirmation button of the prompt box is clicked, which is a normal phenomenon), the checking is needed. And the corresponding switch is switched on or off according to the interface prompt, so that the test of the switch box can be completed. When a fault is caused and a fault is eliminated, the instructions need to be clicked in sequence, the instructions needing to be checked can be selected at will, and the instructions need to be executed in sequence in each small instruction box.
And entering a database query condition interface through a database query & print menu. After inputting batch number or part number on the interface, clicking 'inquiry' can enter the database inquiry result interface, and the corresponding inquiry result can be displayed on the interface. And clicking 'Excel form processing' to enter an Excel form processing file. And simultaneously clicking a 'previous record' button or a 'next record' button to inquire all previous and next records under the current inquiry condition.
Claims (5)
1. The utility model provides a special debugging platform for aircraft dish case piece which characterized in that: the special debugging platform comprises a test interface box, a test control box and an industrial personal computer measurement and control instrument; the test interface box comprises a switch board measurement interface board and a relay measurement interface board, wherein the interface board is used for classifying and collecting signals of the switch board and the relay; the test control box is used for accessing signals of the test interface box and is adaptive to signals of a measurement and control instrument of the industrial personal computer; the test interface box, the test control box and the industrial personal computer measurement and control instrument are integrated on a desktop cabinet.
2. An ad hoc commissioning station for an aircraft disc box according to claim 1, wherein: the number of the switch board measuring interface boards is 4; the number of the relay measurement interface boards is 2.
3. An ad hoc commissioning station for an aircraft disc box according to claim 1, wherein: the test control box comprises a photoelectric isolation input terminal board, a relay output board, an integrated voltage-stabilized power supply, an input/output switching board and a signal conditioning board.
4. An ad hoc commissioning station for an aircraft tray box as claimed in claim 3, wherein: the industrial personal computer measuring and controlling instrument comprises an industrial personal computer, a digital input card, a digital output card, an A/D data acquisition card and test software; the industrial personal computer is converted into an analog control signal through a relay output board by a digital output card; the collected electric logic signal is converted into digital quantity signal by photoelectric isolated digital input terminal board, and is inputted into industrial control computer by means of digital input card.
5. An ad hoc commissioning station for an aircraft coil box as claimed in claim 1, wherein: the special debugging platform adopts a stage type cabinet structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122542809.5U CN217007505U (en) | 2021-10-22 | 2021-10-22 | Special debugging table for airplane disc box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122542809.5U CN217007505U (en) | 2021-10-22 | 2021-10-22 | Special debugging table for airplane disc box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217007505U true CN217007505U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122542809.5U Active CN217007505U (en) | 2021-10-22 | 2021-10-22 | Special debugging table for airplane disc box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217007505U (en) |
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2021
- 2021-10-22 CN CN202122542809.5U patent/CN217007505U/en active Active
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