CN112525253B - External field in-situ test system and test method of integrity and use monitoring system - Google Patents
External field in-situ test system and test method of integrity and use monitoring system Download PDFInfo
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- CN112525253B CN112525253B CN202011213663.3A CN202011213663A CN112525253B CN 112525253 B CN112525253 B CN 112525253B CN 202011213663 A CN202011213663 A CN 202011213663A CN 112525253 B CN112525253 B CN 112525253B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses an external field in-situ test system and a test method of an integrity and use monitoring system, the system comprises a signal unit, a signal control unit, an adaptation unit, a sensor detection unit, a computer detection unit, a cable detection unit, a standard vibration source and a display unit, wherein the signal unit is respectively connected with the adaptation unit and the signal control unit, the adaptation unit is respectively connected with the sensor detection unit, the computer detection unit and the cable test unit, the sensor detection unit, the computer detection unit and the cable test unit are respectively connected with the display unit, the sensor detection unit is connected with the standard vibration source, the integrity and use monitoring system is detected in situ, an airborne sensor, an airborne cable and an airborne computer can be tested under the condition that airborne equipment is not dismantled, the requirement of rapid fault positioning under the external field condition is met, the guarantee capability of the helicopter is improved.
Description
Technical Field
The invention relates to the technical field of test and test, in particular to an external field in-situ test system and a test method of a completeness and use monitoring system.
Background
In the process of test flight in a helicopter outfield, faults often occur in an integrity and use monitoring system, due to the fact that the sensors are large in number and variety, the monitoring computers are complex, the sensors are difficult to replace, the problems that the monitoring computers and connecting cables and the sensors need to be eliminated in fault location, the troubleshooting difficulty is high, the production efficiency is affected, through retrieval, most of the integrity and use monitoring systems are airborne equipment and are integrated with the helicopter, the technical association is large, and the integrity and use monitoring systems cannot be used in the outfield independently, and therefore the outfield in-situ testing system and the outfield in-situ testing method of the integrity and use monitoring system need to be provided for solving the problems in the prior art.
Disclosure of Invention
The technical problems solved by the invention are as follows: the system and the method for testing the integrity and the use of the external field of the monitoring system are provided, so that the problem that the existing helicopter integrity and use monitoring system lacks external field detection equipment and cannot realize in-situ detection is solved.
The technical scheme of the invention is as follows:
integrity and monitoring system's outfield normal position test system with using, including signal unit, signal control unit, adaptation unit, sensor detecting element, computer detecting element, cable detecting element, standard vibration source and display element, signal unit be connected with adaptation unit and signal control unit respectively, the adaptation unit be connected with sensor detecting element, computer detecting element, cable detecting element respectively, sensor detecting element, computer detecting element, cable detecting element are connected with the display element respectively, sensor detecting element be connected with standard vibration source.
Furthermore, the signal unit is used for simulating the signal output of the airborne sensor, and the simulated airborne sensor signal comprises a vibration signal and a rotating speed signal.
Furthermore, the signal control unit is used for controlling the selection signal unit to generate signal types and parameter setting.
Furthermore, the adaptation unit is used for in-situ signal switching between the on-board cable and the sensor detection unit, between the on-board cable and the computer detection unit, between the cable test unit and the signal unit.
Further, standard vibration source for handheld shaking table, standard vibration source and airborne sensor contact, provide vibration signal for airborne sensor.
A test method of an outfield in-situ test system of the integrity and use monitoring system comprises an airborne cable test, an airborne sensor test and an airborne computer test.
Further, the airborne cable testing method comprises the following steps: the in-situ detection airborne cable is connected to the adaptation unit, the signal unit provides power for the adaptation unit, the cable testing unit tests the integrity of the in-situ detection airborne cable, and the testing result is displayed through the display unit.
Further, the test method of the airborne sensor comprises the following steps: the in-situ airborne sensor is connected with the adapting unit, the standard vibration source is used for knocking the airborne sensor, then the sensor detection unit is used for testing whether the output signal of the airborne sensor meets the requirement or not, and the display unit is used for displaying the test result.
Further, the method for testing the airborne computer comprises the following steps: the computer in the original position is connected with the adapting unit, the signal control unit controls the signal unit to output a vibration signal and a rotating speed signal and sets parameters of the vibration signal and the rotating speed signal, the signal unit transmits the vibration signal and the rotating speed signal to the computer in the original position through the adapting unit, the computer in the original position feeds back the vibration signal and the rotating speed signal input by the signal unit and outputs the feedback signal to the computer detection unit, the computer detection unit compares the vibration signal, the rotating speed signal and the feedback signal provided by the signal unit, and meanwhile, the computer detection unit judges whether the computer in the original position can give an alarm when the vibration signal and the rotating speed signal provided by the signal unit exceed the limits; and locating the specific fault channel.
The invention has the beneficial effects that:
the outfield in-situ test system and the test method of the integrity and use monitoring system are provided, the integrity and use monitoring system is detected in situ, the airborne sensor, the airborne cable and the airborne computer can be tested under the condition that airborne equipment is not dismounted, the requirement of rapidly positioning faults under the outfield condition is met, and the guarantee capability of the helicopter is improved.
Drawings
Fig. 1 is a schematic diagram of the system architecture of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention, such as the shapes, configurations, mutual positions and connection relationships of the components, the functions and operating principles of the components, the manufacturing processes and the operation and use methods thereof, will be further described in detail with reference to the accompanying drawings, so as to help those skilled in the art to more completely, accurately and deeply understand the concept and technical solutions of the present invention:
the first embodiment of the present invention:
as shown in fig. 1, the outfield in-situ testing system of the integrity and use monitoring system provided by the invention comprises a signal unit, a signal control unit, an adaptation unit, a sensor detection unit, a computer detection unit, a cable detection unit, a standard vibration source and a display unit, wherein the signal unit is respectively connected with the adaptation unit and the signal control unit, the adaptation unit is respectively connected with the sensor detection unit, the computer detection unit and the cable detection unit, the sensor detection unit, the computer detection unit and the cable detection unit are respectively connected with the display unit, and the sensor detection unit is connected with the standard vibration source.
The signal unit is used for simulating the signal output of the airborne sensor, and the simulated airborne sensor signal comprises a vibration signal and a rotating speed signal; the signal control unit is used for controlling the selection signal unit to generate signal types and parameter settings; the adaptation unit is used for in-situ signal switching among the on-board cable, the sensor detection unit, the computer detection unit, the cable test unit and the signal unit; the standard vibration source is a handheld vibration table, and the standard vibration source is in contact with the airborne sensor to provide vibration signals for the airborne sensor.
The test system is configured for:
and (3) testing the airborne cable: the adaptive unit is connected with the cable testing unit, the integrity of the airborne cable is detected in situ, and a testing result is displayed through the display unit;
and (3) testing an airborne sensor: connecting a sensor in-situ with an adaptation unit, knocking an airborne sensor by using a standard vibration source, testing whether an output signal of the sensor meets requirements by using a sensor detection unit, and displaying a test result by using a display unit;
and (3) testing by an onboard computer: the adaptive unit, the signal unit and the computer detection unit are connected, the signal control unit is used for controlling the type and parameter setting of the signal output by the signal unit, the signal of the signal unit is input into the onboard computer, the onboard computer detection unit detects the integrity of the onboard computer in situ, and the display unit displays the test result.
A second embodiment of the invention:
the test method of the external field in-situ test system of the integrity and use monitoring system comprises an airborne cable test, an airborne sensor test and an airborne computer test.
The airborne cable testing method comprises the following steps: the in-situ detection airborne cable is connected to the adaptation unit, the signal unit provides power for the adaptation unit, the cable testing unit tests the integrity of the in-situ detection airborne cable, and the testing result is displayed through the display unit.
The test method of the airborne sensor comprises the following steps: the in-situ airborne sensor is connected with the adapting unit, the standard vibration source is used for knocking the airborne sensor, then the sensor detection unit is used for testing whether the output signal of the airborne sensor meets the requirement or not, and the display unit is used for displaying the test result.
The method for testing the airborne computer comprises the following steps: the computer in the original position is connected with the adapting unit, the signal control unit controls the signal unit to output a vibration signal and a rotating speed signal and sets parameters of the vibration signal and the rotating speed signal, the signal unit transmits the vibration signal and the rotating speed signal to the computer in the original position through the adapting unit, the computer in the original position feeds back the vibration signal and the rotating speed signal input by the signal unit and outputs the feedback signal to the computer detection unit, the computer detection unit compares the vibration signal, the rotating speed signal and the feedback signal provided by the signal unit, and meanwhile, the computer detection unit judges whether the computer in the original position can give an alarm when the vibration signal and the rotating speed signal provided by the signal unit exceed the limits; and locating the specific fault channel.
A third embodiment of the invention: failure A of in-situ integrity and use monitoring system of certain helicopter
After a certain type of helicopter tries to fly, a pilot reports the HUMS monitoring computer fault in the process of trying to fly back, and the specific fault is known to be the No. 1 tail transmission shaft vibration channel fault through airborne maintenance information. There are three aspects to analyze the cause of this failure: firstly, cable faults between a No. 1 tail transmission shaft vibration sensor and a monitoring computer; secondly, the No. 1 tail transmission shaft vibration sensor fails; and thirdly, monitoring the computer failure. And (4) according to the fault elimination process, sequentially carrying out inspection and test on the three aspects by utilizing the external field in-situ integrity and using a monitoring system test system.
And (3) cable fault testing: connecting a No. 1 tail transmission shaft vibration sensor and a cable joint on a monitoring computer to an adaptation unit, testing the integrity of a cable by using a monitoring system cable testing unit and an external field in-situ integrity, and displaying the integrity of the cable on a testing system display unit;
no. 1 tail transmission shaft vibration sensor fault test: connecting the adapting unit with the No. 1 tail transmission shaft vibration sensor, knocking the No. 1 tail transmission shaft vibration sensor along the vibration direction of the sensor by using a standard vibration source, testing the integrity of the No. 1 tail transmission shaft vibration sensor through the external field in-situ integrity and configuration related information of a sensor detection unit of a monitoring system testing system, and displaying the integrity of the No. 1 tail transmission shaft vibration sensor on a display unit of the testing system;
monitoring computer fault testing: the adaptation unit is connected with a monitoring computer, the signal control unit controls the signal unit to send out a standard analog waveform of the No. 1 tail transmission shaft vibration sensor, the integrity of the monitoring computer is tested by using the external field in-situ integrity and the data received by the monitoring computer through the monitoring system testing system computer detection unit, and the display unit of the testing system displays the No. 1 tail transmission shaft vibration channel fault of the monitoring computer.
A fourth embodiment of the invention: failure B of in-situ integrity and use monitoring system of certain helicopter
After the ground driving inspection of a certain type of helicopter, the HUMS monitoring computer faults are comprehensively displayed and reported, and the situation that the specific faults are not the driving vibration channel faults is known through airborne maintenance information. There are three aspects to analyze the cause of this failure: firstly, the cable fault between the vibration channel sensor and the monitoring computer is being driven; secondly, the sensor of the driving vibration channel has faults; and thirdly, monitoring the computer failure. And (4) according to the fault elimination process, sequentially carrying out inspection and test on the three aspects by utilizing the external field in-situ integrity and the use monitoring system test system.
And (3) cable fault testing: connecting cable connectors on a driving vibration channel sensor and a monitoring computer to an adaptation unit, testing the integrity of a cable by using an outfield in-situ integrity test system and a cable test unit of a monitoring system test system, and displaying the integrity of the cable on a test system display unit;
and (3) testing the fault of the driving vibration channel sensor: connecting the adapting unit with the driving vibration channel sensor, knocking the driving vibration channel sensor along the vibration direction of the sensor by using a standard vibration source, testing the integrity of the driving vibration channel sensor by using the external field in-situ integrity and configuring related information by using a monitoring system test system sensor detection unit, and displaying the fault of the driving vibration channel sensor on a test system display unit; the method comprises the steps of dismantling a sensor, placing the sensor on a standard vibration source, testing the integrity of a driving vibration channel sensor through configuration of relevant information of external field in-situ integrity and a sensor detection unit of a monitoring system testing system, displaying faults of the driving vibration channel sensor on a display unit of the testing system, and confirming the faults of the sensor.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (9)
1. The external field in-situ test system of the integrity and use monitoring system is characterized in that: the device comprises a signal unit, a signal control unit, an adaptation unit, a sensor detection unit, a computer detection unit, a cable test unit, a standard vibration source and a display unit, wherein the signal unit is respectively connected with the adaptation unit and the signal control unit;
when the airborne cable is tested, the in-situ detection airborne cable is connected to the adaptation unit, the signal unit provides power for the adaptation unit, the cable testing unit tests the integrity of the in-situ detection airborne cable, and the testing result is displayed through the display unit;
when the airborne sensor is tested, the in-situ airborne sensor is connected with the adapting unit, the standard vibration source is utilized to knock the airborne sensor, then the sensor detection unit is used to test whether the output signal of the airborne sensor meets the requirement or not, and the display unit displays the test result;
when the on-board computer is tested, the in-situ computer is connected with the adaptation unit, the signal control unit controls the signal unit to output a vibration signal and a rotating speed signal and sets parameters of the vibration signal and the rotating speed signal, the signal unit transmits the vibration signal and the rotating speed signal to the in-situ computer through the adaptation unit, the in-situ computer feeds back the vibration signal and the rotating speed signal input by the signal unit and outputs the feedback signal to the computer detection unit, the computer detection unit compares the vibration signal, the rotating speed signal and the feedback signal provided by the signal unit, and meanwhile, the computer detection unit judges whether the in-situ computer can give an alarm when the vibration signal and the rotating speed signal provided by the signal unit are over-limited; and locating the specific fault channel.
2. The outfield in-situ test system of integrity and usage monitoring system of claim 1, wherein: the signal unit is used for simulating the signal output of the airborne sensor, and the simulated airborne sensor signal comprises a vibration signal and a rotating speed signal.
3. The outfield in-situ test system of integrity and usage monitoring system of claim 1, wherein: the signal control unit is used for controlling the signal type generated by the signal selection unit and setting parameters.
4. The outfield in-situ test system of integrity and usage monitoring system of claim 1, wherein: the adaptation unit is used for in-situ signal switching between the on-board cable and the sensor detection unit, between the on-board cable and the computer detection unit, between the cable test unit and the signal unit.
5. The outfield in-situ test system of integrity and usage monitoring system of claim 1, wherein: the standard vibration source is a handheld vibration table, and the standard vibration source is in contact with the airborne sensor to provide vibration signals for the airborne sensor.
6. The method for testing the integrity of an outfield in situ test system using a monitoring system according to any one of claims 1 to 5, wherein: including airborne cable testing, airborne sensor testing, and airborne computer testing.
7. The method for testing an outfield in situ test system of integrity and usage monitoring system as claimed in claim 6, wherein the onboard cable test method comprises: the in-situ detection airborne cable is connected to the adaptation unit, the signal unit provides power for the adaptation unit, the cable testing unit tests the integrity of the in-situ detection airborne cable, and the testing result is displayed through the display unit.
8. The method of claim 6, wherein the onboard sensor is tested by an outfield in-situ test system of the integrity and usage monitoring system comprising: the in-situ airborne sensor is connected with the adapting unit, the standard vibration source is used for knocking the airborne sensor, then the sensor detection unit is used for testing whether the output signal of the airborne sensor meets the requirement or not, and the display unit is used for displaying the test result.
9. The method for testing the outfield in-situ test system of integrity and use monitoring system as claimed in claim 6, wherein the onboard computer test method comprises: the computer in the original position is connected with the adaptation unit, the signal control unit controls the signal unit to output a vibration signal and a rotating speed signal and set parameters of the vibration signal and the rotating speed signal, the signal unit transmits the vibration signal and the rotating speed signal to the computer in the original position through the adaptation unit, the computer in the original position feeds back the vibration signal and the rotating speed signal input by the signal unit and outputs the feedback signal to the computer detection unit, the computer detection unit compares the vibration signal, the rotating speed signal and the feedback signal provided by the signal unit, and meanwhile, the computer detection unit judges whether the computer in the original position can give an alarm when the vibration signal and the rotating speed signal provided by the signal unit exceed the limits; and locating the specific fault channel.
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