CN218847238U - Navigation board function test system - Google Patents
Navigation board function test system Download PDFInfo
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- CN218847238U CN218847238U CN202223605635.3U CN202223605635U CN218847238U CN 218847238 U CN218847238 U CN 218847238U CN 202223605635 U CN202223605635 U CN 202223605635U CN 218847238 U CN218847238 U CN 218847238U
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- navigation board
- navigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses a navigation board functional test system, including test system machine case, navigation board mounting platform, signal interface module, the navigation board mounting platform that awaits measuring install in on the test system machine case for the navigation board that awaits measuring of installation, signal interface module inserts in the interface of navigation board, signal interface module electricity is connected test system machine case. The utility model discloses a navigation board functional test system, behind the signal interface module, be connected to each interface of the navigation board that awaits measuring through signal interface module behind the test system machine case electricity connection signal interface module to the navigation board input signal simulation navigation board that awaits measuring acquires the signal that actual work acquireed, and acquires the data of the navigation board output that awaits measuring, judge the performance of the navigation board that awaits measuring according to the data of the navigation board output that awaits measuring, thereby accomplish the test to the navigation board, the utility model discloses a navigation board functional test system integrated level is high, the test is simple and the coverage is wide.
Description
Technical Field
The utility model relates to an optic fibre is used to group's test technical field, especially relates to a navigation board functional test system.
Background
The fiber optic inertial measurement unit integrates main components such as a fiber optic gyroscope, an accelerometer, a navigation board and the like, wherein the navigation board has functions of data acquisition, calculation, packaging and the like, and along with the development of the technology, the fiber optic inertial measurement unit is widely applied to military and civil fields and forms large-scale manufacturing.
Both fiber optic gyroscopes and accelerometers have relatively sophisticated testing and inspection tools, including corresponding apparatus and methods. The navigation board is used as an important component of the optical fiber inertial measurement unit, no special equipment is used in the test process, in the actual application process, an operator tests partial functions of the navigation board through different instrument equipment, the test process is complex in operation, and the test coverage is incomplete.
SUMMERY OF THE UTILITY MODEL
The utility model provides a navigation board functional test system for there is the complicated and incomplete technical problem of test coverage of operation in solving the present navigation board test.
In order to realize the above purpose, the utility model provides a navigation board function test system, including test system machine case, navigation board mounting platform, signal interface module, the navigation board mounting platform that awaits measuring install in on the test system machine case for the installation navigation board that awaits measuring, signal interface module inserts in the interface of navigation board, signal interface module electricity is connected test system machine case.
Preferably, the test system case comprises a control computer, a programmable dc voltage-stabilized power supply, a plurality of current meters and a plurality of voltage meters, the control computer is electrically connected to the programmable dc voltage-stabilized power supply, the programmable dc voltage-stabilized power supply comprises a plurality of voltage output ports for outputting different voltages, the plurality of voltage output ports are electrically connected to the plurality of current input ends of the navigation panel to be tested after passing through one current meter respectively, the plurality of voltage output ends for outputting different voltages of the navigation panel to be tested are electrically connected to the plurality of voltage meters, and the plurality of current meters and the plurality of voltage meters are electrically connected to the control computer.
Preferably, the plurality of current meters and the plurality of voltage meters are connected with the control computer through a communication bus, and the navigation board to be tested is connected with the control computer through a communication bus.
Preferably, the test system case also comprises a fiber-optic gyroscope simulator, an accelerometer simulator, a temperature sensor and a serial port analyzer, wherein the fiber-optic gyroscope simulator, the accelerometer simulator, the temperature sensor and the serial port analyzer are all connected with the control computer through a communication bus.
Preferably, the test system further comprises an external device for inputting control instructions, a display for displaying the test data and a printer for printing the test data, wherein the external device, the display and the printer are all electrically connected with the control computer.
Preferably, the external device specifically includes a mouse and a keyboard, and the mouse and the keyboard are electrically connected to the control computer.
Preferably, a plurality of signal probes are arranged on the signal interface module and inserted into the signal interface of the navigation board to be tested.
The utility model discloses following beneficial effect has: the utility model discloses a navigation board functional test system, behind the test system machine case electricity connection signal interface module, be connected to each interface of the navigation board that awaits measuring through signal interface module to the navigation board input signal simulation that awaits measuring the signal that the navigation board acquireed at the real work, and acquire the data of the navigation board output that awaits measuring, judge the performance of the navigation board that awaits measuring according to the data of the navigation board output that awaits measuring, thereby accomplish the test to the navigation board, the utility model discloses a navigation board functional test system integrated level is high, the test is simple and the coverage is wide.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural diagram of a navigation board function testing system of the present invention;
fig. 2 is a schematic circuit diagram of a navigation board function testing system according to the present invention.
Wherein the reference numbers are as follows:
1. a test system chassis; 11. a control computer; 12. a programmable DC regulated power supply; 13. an ammeter; 14. a voltmeter; 15. a fiber optic gyroscope simulator; 16. an accelerometer simulator; 17. a temperature sensor; 18. a serial port analyzer; 2. a navigation board mounting platform; 3. a signal interface module; 4. a navigation board to be tested; 5. an external device; 51. a mouse; 52. a keyboard; 6. a display; 7. a printer.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 and fig. 2, the navigation board function testing system of this embodiment includes a testing system chassis 1, a navigation board mounting platform 2, and a signal interface module 3, where the navigation board mounting platform 2 is mounted on the testing system chassis 1 and is used for mounting a navigation board 4 to be tested, the signal interface module 3 is inserted into an interface of the navigation board 4 to be tested, and the signal interface module 3 is electrically connected to the testing system chassis 1.
The signal interface module 3 is provided with a plurality of signal probes, the signal probes are inserted into the signal interfaces of the navigation board 4 to be tested, and the signal interface module 3 is electrically connected with the test system case 1 through cables, so that the navigation board 4 to be tested is connected to the test system case 1.
In the navigation board function test system of this embodiment, the test system chassis 1 includes a control computer 11, a programmable dc voltage-stabilized power supply 12, a plurality of ammeters 13 and a plurality of voltmeters 14, the control computer 11 is electrically connected to the programmable dc voltage-stabilized power supply 12, a plurality of voltage output ports of the programmable dc voltage-stabilized power supply 12 for outputting different voltages, a plurality of voltage output ports are electrically connected to a plurality of current input ends of the navigation board 4 to be tested after passing through one ammeter 13 respectively, a plurality of voltage output ends of the navigation board 4 to be tested for outputting different voltages are electrically connected to the plurality of voltmeters 14, the plurality of ammeters 13 and the plurality of voltmeters 14 are electrically connected to the control computer 11.
In this embodiment, the +15V port, -15V port, +5V port and-5V port of the programmable dc regulated power supply 12 are connected to the navigation board 4 to be tested after passing through the ammeter 13, whether each port of the programmable dc regulated power supply 12 outputs is controlled by the control computer 11, the control computer 11 is composed of a control chip and a peripheral circuit, and has functions of logical operation, instruction acceptance, data acceptance/output, and the like, specifically, the control chip of the control computer 11 of this embodiment is an FPGA chip, and the 5V output terminal, the 3.3V output terminal, the 2.5V output terminal and the 1.2V output terminal of the navigation board 4 to be tested are electrically connected to the control computer 11 after passing through the voltmeter 14, so that the control computer 11 can control the input current of the navigation board 4 to be tested and determine whether the output voltage output by the navigation board 4 to be tested is normal.
The utility model discloses in, for the saving port resource, four ampere meters 13 and four voltmeters 14 in this embodiment all pass through communication bus connection control computer 11, and the navigation board 4 that awaits measuring also passes through communication bus connection control computer 11, and wherein, communication bus can be arbitrary serial bus, specifically is the RS485 bus in this embodiment.
In the navigation board function testing system of this embodiment, the testing system chassis 1 further includes a fiber-optic gyroscope simulator 15, an accelerometer simulator 16, a temperature sensor 17 and a serial port analyzer 18, and the fiber-optic gyroscope simulator 15, the accelerometer simulator 16, the temperature sensor 17 and the serial port analyzer 18 are all connected to the control computer 11 through a communication bus.
According to actual test requirements, one or more of a fiber-optic gyroscope simulator 15, an accelerometer simulator 16, a temperature sensor 17 and a serial port analyzer 18 can be additionally arranged in the test system case 1, the test system case comprises the fiber-optic gyroscope simulator 15, the accelerometer simulator 16, the temperature sensor 17 and the serial port analyzer 18, the working conditions of a fiber-optic gyroscope and an accelerometer can be simulated, and temperature information can be acquired and whether the communication function of a test bus is normal or not can be tested.
In the navigation board function testing system of the present embodiment, the navigation board function testing system further includes an external device 5 for inputting a control instruction, a display 6 for displaying test data, and a printer 7 for printing the test data, the external device 5, the display 6, and the printer 7 are all electrically connected to the control computer 11, the external device 5 specifically includes a mouse 51 and a keyboard 52, and the mouse 51 and the keyboard 52 are electrically connected to the control computer 11.
The mouse 51 and the keyboard 52 can be used for controlling the computer to input control instructions to control the operation of the test system, the display 6 can be used for displaying the test condition, and the printer 7 can be used for printing and outputting the test data result.
The operation process in the navigation board function test system of the embodiment is as follows:
(1) Placing a navigation board 4 to be tested on the navigation board mounting platform 2;
(2) The signal interface module 3 is connected to a navigation board 4 to be tested;
(3) And starting a test, wherein the navigation board function test system automatically tests the consumed current of each unit circuit of the navigation board, the output voltage of each power supply module, a gyro signal acquisition function, a meter adding signal acquisition function, a temperature signal acquisition function and a serial port communication function, and the system displays a test result through the display 6 and automatically prints the test result through the printer 7.
The utility model discloses a characteristics that boat board functional test system and traditional navigation board test scheme are compared are as table 1.
Table 1.
The navigation board function testing system of the embodiment tests the current consumed by the navigation board through the ammeter 13 with the communication function, tests the voltage consumed by the navigation board through the voltmeter 14 with the communication function, increases the work of the fiber-optic gyroscope simulator 15 to simulate the fiber-optic gyroscope to test the gyroscope information acquisition function of the navigation board, simulates the work of the accelerometer through the accelerometer simulator 16 to test the accelerometer information acquisition function of the navigation board, tests the temperature acquisition function of the navigation board through the temperature sensor 17, tests the serial port communication function of the navigation board through the serial port analyzer 18, and increases the printer 7 to realize the recording function of the test result of the navigation board by the testing system, the signal interface module 3 adopts a configurable mode to match the signal interface module 3 with the interface of the navigation board, when the new navigation board is replaced, the signal interface module 3 is reconfigured to realize the test of the new navigation board, and the universality of the testing system is improved.
The navigation board function test system of the embodiment improves the test capability of the navigation board in the production process of the inertial navigation product, improves the test coverage, realizes automatic data reading, judgment and recording, and can improve the function test efficiency and test effectiveness of the navigation board.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a navigation board function test system, its characterized in that, includes test system machine case (1), navigation board mounting platform (2), signal interface module (3), navigation board mounting platform (2) install in on test system machine case (1) for the installation navigation board (4) that await measuring, signal interface module (3) insert in the interface of navigation board (4) that await measuring, signal interface module (3) electricity is connected test system machine case (1).
2. The navigation board function testing system according to claim 1, wherein the testing system chassis (1) includes a control computer (11), a programmable dc voltage-stabilized power supply (12), a plurality of ammeters (13) and a plurality of voltmeters (14), the control computer (11) is electrically connected to the programmable dc voltage-stabilized power supply (12), the programmable dc voltage-stabilized power supply (12) has a plurality of voltage outlets for outputting different voltages, the plurality of voltage outlets are electrically connected to a plurality of current inputs of the navigation board to be tested (4) after passing through one of the ammeters (13), a plurality of voltage outputs of the navigation board to be tested (4) for outputting different voltages are electrically connected to the plurality of voltmeters (14), and the plurality of ammeters (13) and the plurality of voltmeters (14) are electrically connected to the control computer (11).
3. A navigation board function testing system according to claim 2, characterized in that said plurality of said current meters (13) and said plurality of said voltage meters (14) are connected to said control computer (11) through a communication bus, and said navigation board (4) to be tested is connected to said control computer (11) through a communication bus.
4. The navigation board function testing system of claim 2, wherein the testing system case (1) further comprises a fiber-optic gyroscope simulator (15), an accelerometer simulator (16), a temperature sensor (17) and a serial port analyzer (18), and the fiber-optic gyroscope simulator (15), the accelerometer simulator (16), the temperature sensor (17) and the serial port analyzer (18) are all connected to the control computer (11) through a communication bus.
5. The navigation board function testing system of claim 2, further comprising an external device (5) for inputting control instructions, a display (6) for displaying test data, and a printer (7) for printing the test data, wherein the external device (5), the display (6), and the printer (7) are all electrically connected to the control computer (11).
6. A navigation pad function testing system according to claim 5, characterized in that the external device (5) comprises a mouse (51) and a keyboard (52), the mouse (51) and the keyboard (52) being electrically connected to the control computer (11).
7. The system for testing the functions of the navigation board as claimed in claim 1, wherein a plurality of signal probes are provided on the signal interface module (3), and the signal probes are inserted into the signal interface of the navigation board (4) to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223605635.3U CN218847238U (en) | 2022-12-27 | 2022-12-27 | Navigation board function test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223605635.3U CN218847238U (en) | 2022-12-27 | 2022-12-27 | Navigation board function test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218847238U true CN218847238U (en) | 2023-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223605635.3U Active CN218847238U (en) | 2022-12-27 | 2022-12-27 | Navigation board function test system |
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| Country | Link |
|---|---|
| CN (1) | CN218847238U (en) |
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2022
- 2022-12-27 CN CN202223605635.3U patent/CN218847238U/en active Active
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