CN115855390A - Triaxial atmospheric data system tester and triaxial atmospheric data system testing method - Google Patents
Triaxial atmospheric data system tester and triaxial atmospheric data system testing method Download PDFInfo
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- CN115855390A CN115855390A CN202211588542.6A CN202211588542A CN115855390A CN 115855390 A CN115855390 A CN 115855390A CN 202211588542 A CN202211588542 A CN 202211588542A CN 115855390 A CN115855390 A CN 115855390A
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Abstract
The application discloses a triaxial atmospheric data system tester and a triaxial atmospheric data system testing method, and belongs to the technical field of aviation triaxial atmospheric data system testing. The air data tester provides required pressure for the triaxial air data system under the control of the PC host so as to complete air tightness detection of the triaxial air data system; the atmospheric data tester performs atmospheric performance simulation under the control of the PC host to obtain a test nominal range, compares the atmospheric parameters of the triaxial atmospheric data system acquired by the test calibration platform with the test nominal range, determines whether the atmospheric parameter accuracy test passes according to the comparison result, and outputs the test result. The invention can complete the accuracy test of the atmospheric parameters of the triaxial atmospheric data system at normal temperature and the air tightness test of the system, and can complete the test quickly and accurately.
Description
Technical Field
The invention belongs to the technical field of aviation triaxial atmospheric data system testing, and particularly relates to a triaxial atmospheric data system tester and a triaxial atmospheric data system testing method.
Background
The triaxial atmospheric data system needs to be tested and verified before being installed, so that the fault caused by unqualified product performance when the ground test is performed after the installation is avoided. When the helicopter triaxial atmospheric data system is checked and tested before being installed, the accuracy test of triaxial atmospheric parameters such as synthetic static pressure, synthetic total pressure, air pressure height, lifting speed, indicated airspeed, longitudinal vacuum speed, transverse vacuum speed, vertical vacuum speed, attack angle, sideslip angle, atmospheric density ratio and the like provided by the triaxial atmospheric data system is required, and meanwhile, the air tightness of the triaxial atmospheric data system is required to be detected.
The existing laboratory has no related tester and test method, which are not beneficial to troubleshooting and influence the production efficiency.
Disclosure of Invention
In order to solve the problems that no relevant tester and test method exist in the relevant technology, failure removal is not facilitated, and production efficiency is affected, the application provides a triaxial atmospheric data system tester and a triaxial atmospheric data system test method, and the technical scheme is as follows:
in a first aspect, a triaxial atmospheric data system tester is provided, which includes: the system comprises an atmospheric data tester, a PC host, a power supply and a test calibration platform, wherein the power supply supplies power to the atmospheric data tester, the PC host, the test calibration platform and a triaxial atmospheric data system; the PC host is connected with the atmospheric data tester and the test calibration platform; the air data measurement and control instrument is connected with the triaxial air data system through a full-pressure pipeline and a static pressure pipeline;
the air data tester is used for providing required pressure for the triaxial air data system under the control of the PC host so as to complete air tightness detection of the triaxial air data system;
the atmospheric data tester is also used for carrying out atmospheric performance simulation under the control of the PC host computer to obtain a test nominal range, comparing the atmospheric parameters of the triaxial atmospheric data system acquired by the test calibration platform with the test nominal range, determining whether the atmospheric parameter accuracy test passes according to the comparison result, and outputting the test result.
Wherein, the test calibration platform is provided with an adapter which is connected with the PC host and the triaxial atmospheric data system,
the adapter is used for:
amplifying, isolating and filtering a reference signal sent by a PC host, and transmitting the processed signal to a triaxial atmospheric data system so that the triaxial atmospheric data system calculates to obtain atmospheric parameters according to the processed signal;
and collecting the atmospheric parameters of the triaxial atmospheric data system, and transmitting the collected atmospheric parameters to the PC host.
Further, the atmospheric parameters include an attack angle and a sideslip angle, and the triaxial atmospheric data system tester further includes: a mounting bracket, a turntable and a calibration fixture,
the rotary table is arranged on the mounting support, the three-axis atmospheric data system is arranged on the rotary table, the calibration fixture is arranged at the position of an airspeed head of the three-axis atmospheric data system, a speed vector sensor of the three-axis atmospheric data system is positioned on the calibration fixture, and the rotary table and the calibration fixture are connected with the PC host;
the rotary table and the calibration clamp are used for rotating under the control of the PC host, changing the angle of a speed vector sensor of the triaxial atmospheric data system and simulating the change conditions of an attack angle and a sideslip angle of the triaxial atmospheric data system in atmospheric parameters in the flight process.
Furthermore, the test calibration platform is also provided with a program-controlled resistance box which is connected with the PC host and the triaxial atmospheric data system,
the program-controlled resistance box is used for providing a total temperature analog quantity signal for the three-axis atmospheric data system under the control of the PC host computer to obtain a target total temperature range, and the PC host computer is used for comparing the total temperature of the three-axis atmospheric data system acquired by the adapter of the test calibration platform with the target total temperature range; when the total temperature belongs to the target total temperature range, the PC host determines that the total temperature accuracy test is passed, and outputs indication information that the total temperature accuracy test is passed.
In a second aspect, a method for testing a triaxial atmospheric data system is provided, where the method uses the triaxial atmospheric data system tester described in any one of the first aspects, and the method includes:
Wherein the first target value is 300km/h, and the step 2 comprises:
when the falling value of the airspeed within 1min is not more than 9km/h, the PC host determines that the air tightness detection of the full-pressure pipeline is qualified, and outputs the indication information of the qualified air tightness detection of the full-pressure pipeline;
otherwise, the PC host determines that the air tightness detection of the full-pressure pipeline is unqualified, and outputs indication information that the air tightness detection of the full-pressure pipeline is unqualified.
Wherein the second target value is 5000m, and the step 4 comprises:
when the pressure reduction is stopped for 1min and the absolute air pressure height is reduced by no more than 100m, the PC host machine determines that the static pressure pipeline is qualified in air tightness detection and outputs indication information of the qualified static pressure pipeline in air tightness detection;
otherwise, the PC host machine determines that the static pressure pipeline is unqualified in air tightness detection, and outputs indication information that the static pressure pipeline is unqualified in air tightness detection.
Further, the method further comprises:
when receiving a total temperature parameter test instruction, the PC host provides a total temperature analog quantity signal for the triaxial atmosphere data system through the program-controlled resistance box to obtain a target total temperature range; comparing the total temperature of the triaxial atmospheric data system sent by the adapter of the test calibration platform with the target total temperature range; when the total temperature belongs to the target total temperature range, the PC host determines that the total temperature accuracy test is passed, and outputs indication information that the total temperature accuracy test is passed.
Further, before step 1, the method further comprises:
when the PC host receives a self-checking instruction triggered by a user, the three-axis atmospheric data system tester executes self-checking operation, and the PC host displays a user login interface after the self-checking is qualified;
and when the PC host receives a user login instruction, displaying a test interface.
The invention provides a triaxial atmospheric data system tester and a triaxial atmospheric data system test method.A required pressure is provided for a triaxial atmospheric data system by an atmospheric data tester under the control of a PC host so as to complete the air tightness detection of the triaxial atmospheric data system; the atmospheric data tester carries out atmospheric performance simulation under the control of the PC host to obtain a test nominal range, compares the atmospheric parameters of the triaxial atmospheric data system acquired by the test calibration platform with the test nominal range, determines whether the atmospheric parameter accuracy test passes or not according to the comparison result, and outputs the test result. The invention can complete the accuracy test of the atmospheric parameters of the triaxial atmospheric data system at normal temperature and the air tightness test of the system, and can complete the test quickly and accurately.
Drawings
FIG. 1 is a schematic block diagram of a triaxial atmospheric data system tester provided by the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The triaxial atmospheric data system needs to be tested and verified before being installed, so that the fault caused by unqualified product performance when the ground test is performed after the installation is avoided. Because the on-board system is complex in cross-linking and difficult in fault reason judgment, the production period is influenced by the on-board finished product fault. The invention provides a triaxial atmospheric data system tester and a triaxial atmospheric data system testing method, aiming at solving the problems that the accuracy of atmospheric parameters of a triaxial atmospheric data system cannot be tested in a laboratory before installation and the air tightness of the system can not be detected.
Fig. 1 is a schematic diagram of a triaxial atmospheric data system tester provided in an embodiment of the present invention, where the triaxial atmospheric data system tester can be used to perform an atmospheric parameter accuracy test on a triaxial atmospheric data system before installation and a system airtightness test. Referring to fig. 1, the triaxial atmospheric data system tester includes: the device comprises an atmospheric data tester 1, a PC host 2, a power supply 3 and a test calibration platform 4.
The power supply 3 is used for supplying power to the atmospheric data tester 1, the PC host 2, the test calibration platform 4 and the triaxial atmospheric data system 6; the PC host 2 is connected with the atmospheric data tester 1 and the test calibration platform 4.
The air data tester 1 is also connected to a triaxial air data system 6. The PC host 2 is provided with test software 7, and the air data tester 1 provides required pressure for the triaxial air data system 6 under the control of the PC host 2 so as to complete air tightness detection of the triaxial air data system 6.
Specifically, the atmospheric data tester 1 is connected with the PC host 2 through an RS232 bus, and the PC host 2 can control the atmospheric data tester 1 through the RS232 bus according to actual test requirements of a user to provide required pressure for the triaxial atmospheric data system 6.
The atmospheric data tester 1 is provided with an independent double-path pressure automatic control module, the atmospheric data measurement and control instrument 1 is connected with the triaxial atmospheric data system 6 through a full pressure (Pt) pipeline and a static pressure (Ps) pipeline, and the atmospheric data tester 1 can simultaneously control the total pressure system and the static pressure system of the triaxial atmospheric data system 6 under the control of the PC host 2 so as to carry out full pressure pipeline air tightness detection and static pressure pipeline air tightness detection on the triaxial atmospheric data system 6.
Further, in order to complete the accuracy test of the atmospheric parameters of the triaxial atmospheric data system 6, the test calibration platform 4 may be provided with an adapter 11, and the adapter 11 is connected with the PC host 2 and the triaxial atmospheric data system 6, and is used for realizing the signal interaction of the PC host 2 and the triaxial atmospheric data system 6.
The atmospheric data tester 1 is also used for performing atmospheric performance simulation under the control of the PC host 2 to obtain a test nominal range. The adapter 11 is used for amplifying, isolating and filtering reference signals sent by the PC host 2, including signals such as resistance, bus, power supply, discrete quantity, analog quantity and the like, and transmitting the processed signals to the triaxial atmospheric data system 6, and the triaxial atmospheric data system 6 resolves the processed signals to obtain atmospheric parameters. The adapter 11 collects the atmospheric parameters of the triaxial atmospheric data system 6 and transmits the collected atmospheric parameters to the PC host 2. The PC host 2 compares the test nominal range obtained by the simulation of the atmospheric data tester 1 with the atmospheric parameters of the triaxial atmospheric data system 6, and when the atmospheric parameters belong to the test nominal range, the PC host 2 determines that the atmospheric parameter accuracy test passes and outputs indication information of the atmospheric parameter accuracy test passing. For example, the PC host 2 may display the indication information that the accuracy test of the atmospheric parameter passes to the user through the display screen, so that the user can obtain the test result intuitively. Illustratively, the atmospheric parameter includes at least one of synthetic static pressure, synthetic total pressure, barometric altitude, lift velocity, indicated airspeed, longitudinal vacuum velocity, lateral vacuum velocity, vertical vacuum velocity, angle of attack, angle of sideslip, atmospheric density ratio.
Specifically, the adapter 11 may be connected to the triaxial air data system 6 via an XP01 patch cable.
In another embodiment, referring to fig. 1, the triaxial atmospheric data system tester may further include: a mounting bracket 5, a turntable 12 and a calibration jig 13.
Wherein, the revolving stage 12 is arranged on the mounting bracket 5, the triaxial atmospheric data system 6 is arranged on the revolving stage 12, the fixture 13 for calibration is arranged at the airspeed head of the triaxial atmospheric data system 6, and the velocity vector sensor of the triaxial atmospheric data system 6 is positioned on the fixture 13 for calibration. The turntable 12 and the alignment jig 13 are connected to the PC body 2. The rotary table 12 and the calibration clamp 13 rotate under the control of the PC host 2, the angle of a speed vector sensor of the triaxial atmospheric data system 6 is changed, and the change conditions of an attack angle and a sideslip angle in atmospheric parameters of the triaxial atmospheric data system 6 in the flight process are simulated, so that the triaxial atmospheric data system 6 is closer to the real condition.
Specifically, in this embodiment, the turntable 12 and the calibration jig 13 are connected to the PC body 2 via an RS-232 bus.
In another embodiment, further, the test calibration platform 4 is also provided with a programmable resistance box 10.
The program-controlled resistance box 10 is connected with the PC host 2 and the triaxial atmospheric data system 6, the program-controlled resistance box 10 is used for providing total temperature analog quantity signals for the triaxial atmospheric data system 6 under the control of the PC host 2, and the PC host 2 obtains a target total temperature range, so that the accuracy test of the total temperature of the triaxial atmospheric data system 6 is facilitated. Specifically, the PC host 2 compares the total temperature of the triaxial atmospheric data system 6 collected by the adapter 11 of the test calibration platform 4 with a target total temperature range. When the total temperature belongs to the target total temperature range, the PC host 2 determines that the total temperature accuracy test is passed, and outputs indication information that the total temperature accuracy test is passed. For example, the PC host 2 may display the indication information that the total temperature accuracy test passes to the user through the display screen.
In order to provide a total temperature analog quantity signal for the triaxial atmosphere data system 6, in an implementation manner, the PC host 2 may set a total temperature resistance of the program control resistance box 10 according to a corresponding relationship between product resistance and temperature, and the program control resistance box 10 provides the total temperature analog quantity signal for the triaxial atmosphere data system 6 based on the total temperature resistance. For the process of obtaining the total temperature analog quantity signal according to the total temperature resistance, reference may be made to the related art, and details thereof are not repeated herein.
Specifically, the program-controlled resistance box 10 is connected with the PC host 2 through an RS-485 bus.
Alternatively, the power supply 3 may include: a mains control box 8 and an ac supply box 9. The main power supply control box 8 is connected with the atmospheric data tester 1, the PC host 2 and the test calibration platform 4 and is used for providing power supply control and electrical protection for the atmospheric data tester 1, the PC host 2 and the test calibration platform 4; an ac power supply box 9 is connected to the triaxial atmospheric data system 6 for providing 115VAC400Hz power to the triaxial atmospheric data system 6.
The embodiment of the invention also provides a test method of the triaxial atmospheric data system, the method uses the triaxial atmospheric data system tester provided by the invention, and the method comprises the following steps:
And 2, determining whether the air tightness detection of the full-pressure pipeline is qualified or not by the PC host 2 according to the airspeed reduction value, and outputting a detection result.
And 3, controlling the atmospheric data tester 1 to apply negative pressure to the static pressure pipeline until the absolute air pressure height is a second target value when the PC host 2 receives the static pressure pipeline air tightness detection instruction.
And 4, determining whether the air tightness detection of the static pressure pipeline is qualified or not according to the drop value of the absolute air pressure height by the PC host 2, and outputting a detection result.
Another embodiment of the present invention further provides another testing method for a triaxial atmospheric data system, the method uses the triaxial atmospheric data system tester provided by the present invention to perform a test, please refer to fig. 1, and the method may include the following steps:
and step 10, when the PC host 2 receives a self-checking instruction triggered by a user, the triaxial atmospheric data system tester executes self-checking operation, and the PC host 2 displays a user login interface through a display screen after the self-checking is qualified.
And 20, displaying a test interface by the display screen when the PC host 2 receives the user login instruction.
And step 30, when receiving a full-pressure pipeline airtightness detection instruction triggered by a user, the PC host 2 controls the atmospheric data tester 1 to pressurize the full-pressure pipeline until the airspeed is 300km/h.
And step 40, when the reduction value of the air speed within 1min does not exceed 9km/h, the PC host machine 2 determines that the air tightness detection of the full-pressure pipeline is qualified, and outputs indication information of the qualified air tightness detection of the full-pressure pipeline.
And step 50, if not, the PC host 2 determines that the air tightness detection of the full-pressure pipeline is unqualified, and outputs indication information that the air tightness detection of the full-pressure pipeline is unqualified.
For example, when the PC host 2 determines that the air-tightness detection of the full-pressure pipe is not qualified, the indication information that the air-tightness detection of the full-pressure pipe is not qualified may be displayed to the user through the display screen.
Further, the method may comprise: when the airtightness detection of the full-pressure pipeline is unqualified, the PC host 2 can display the re-detection indication information through the display screen. When the PC host 2 receives an instruction triggered by a user and requiring re-detection, the PC host 2 controls the atmospheric data tester 1 to communicate the atmosphere to the full-pressure pipe, so that the air pressure in the full-pressure pipe is consistent with the atmospheric environment, and re-performs the full-pressure pipe airtightness detection operation, see steps 30 to 50.
For example, the PC body 2 may automatically pop up "whether to perform the detection again" via the display screen when the detection of the airtightness of the full-pressure pipe is not satisfactory? And the window is also provided with two options of yes and no. When the user clicks the 'yes' option, the PC host 2 controls the atmospheric data tester 1 to connect the atmosphere to the full-pressure pipeline, so that the air pressure in the full-pressure pipeline is consistent with the atmospheric environment, and the triaxial atmospheric data system is pressurized again. If the PC host 2 determines again that the air-tightness detection of the full-voltage line is not qualified, the PC host 2 may automatically pop up prompt messages for a variety of possible faults through the display screen, where the faults may be preset in the test software 7. Therefore, the fault point can be accurately pointed out, and the fault can be quickly positioned.
And step 60, when receiving a static pressure pipeline air tightness detection instruction triggered by a user, the PC host 2 controls the atmospheric data tester 1 to apply negative pressure (namely, air suction) to the static pressure pipeline until the absolute air pressure height is 5000m.
And step 70, when the pressure reduction is stopped for 1min and the absolute air pressure height is reduced by no more than 100m, the PC host 2 determines that the static pressure pipeline is qualified in air tightness detection and outputs indication information of the qualified static pressure pipeline in air tightness detection.
And step 80, if not, the PC host machine 2 determines that the static pressure pipeline air tightness detection is unqualified, and outputs indication information that the static pressure pipeline air tightness detection is unqualified.
For example, when the host PC 2 determines that the static pressure pipe air tightness detection is not qualified, the host PC can display the indication information that the static pressure pipe air tightness detection is not qualified to the user through the display screen.
Step 90, when the PC host 2 receives a parameter test instruction triggered by a user, performing atmospheric performance simulation through the atmospheric data tester 1 to determine a test nominal range; and compares the atmospheric parameters of the triaxial atmospheric data system 6 collected by the adapter 11 of the test calibration platform 4 with the test nominal range. When the atmospheric parameter belongs to the test nominal range, the PC host 2 determines that the atmospheric parameter accuracy test is passed, and outputs indication information that the atmospheric parameter accuracy test is passed.
In order to obtain the atmospheric parameters of the triaxial atmospheric data system 6, the adapter 11 may amplify, isolate, and filter signals such as a resistor, a bus, a power supply, a discrete quantity, an analog quantity, and the like sent by the PC host 2, and transmit the processed signals to the triaxial atmospheric data system 6, and the triaxial atmospheric data system 6 obtains the atmospheric parameters by resolving according to the processed signals. As to the process of calculating the atmospheric parameter, reference may be made to the related art, and details thereof are not repeated herein.
Illustratively, when the accuracy test of the atmospheric parameters of the triaxial atmospheric data system is performed, the PC host 2 displays an "automatic test" option, a user clicks the "automatic test" option, enters an automatic test page, selects a model, fills in the serial number of the triaxial atmospheric data system 6, clicks the "start detection" option on the page, and the PC host 2 simulates the atmospheric performance of the triaxial atmospheric data system 6 to obtain a test nominal range; the triaxial atmospheric data system 6 sends the atmospheric parameters to the PC host 2 through the adapter of the test calibration platform 4, the PC host 2 judges whether the atmospheric parameters of the triaxial atmospheric data system belong to the test nominal range, and a report including all test data is generated, wherein the report includes a test conclusion.
Further, in order to facilitate the subsequent viewing of the user, the PC host 2 may further have a data playback function, and the user may view and monitor the test process at any time.
The atmospheric parameters may include at least one of synthetic static pressure, synthetic total pressure, barometric altitude, lifting speed, indicated airspeed, longitudinal vacuum speed, transverse vacuum speed, vertical vacuum speed, angle of attack, sideslip angle, and atmospheric density ratio, each having a corresponding test nominal range.
For the attack angle and the sideslip angle, the PC host 2 can control the rotation of the rotary table 12 and the calibration fixture 13, change the angle of the velocity vector sensor of the triaxial atmospheric data system 6, and simulate the change condition of the attack angle and the sideslip angle of the triaxial atmospheric data system 6 in the atmospheric parameters in the flight process, so that the triaxial atmospheric data system 6 is closer to the real condition, and the accurate attack angle and sideslip angle of the triaxial atmospheric data system 6 can be obtained conveniently.
In another embodiment, further, the test method of the triaxial atmospheric data system provided by the present invention can also perform an accuracy test on the total temperature parameter of the triaxial atmospheric data system 6. The invention can provide total temperature analog quantity signals for the triaxial atmospheric data system 6 through the program-controlled resistance box 10 of the test calibration platform 4, and correspondingly, the method can further comprise the following steps:
step 100, when receiving a total temperature parameter test instruction triggered by a user, the PC host 2 provides a total temperature analog quantity signal for the triaxial atmospheric data system 6 through the program-controlled resistance box 10 to obtain a target total temperature range; and compares the total temperature of the triaxial atmospheric data system 6 sent by the adapter 11 of the test calibration platform 4 with the target total temperature range. When the total temperature belongs to the target total temperature range, the PC host 2 determines that the total temperature accuracy test is passed, and outputs indication information that the total temperature accuracy test is passed. For example, the PC host 2 may display the indication information that the total temperature accuracy test passes to the user through the display screen.
The foregoing is merely a detailed description of the embodiments of the present invention, and some of the conventional techniques are not detailed. The scope of the present invention is not limited thereto, and any modifications or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention will be covered by the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A triaxial atmospheric data system tester, comprising: the system comprises an atmospheric data tester, a PC (personal computer) host, a power supply and a test calibration platform, wherein the power supply supplies power to the atmospheric data tester, the PC host, the test calibration platform and a triaxial atmospheric data system; the PC host is connected with the atmospheric data tester and the test calibration platform; the air data measurement and control instrument is connected with the triaxial air data system through a full-pressure pipeline and a static pressure pipeline;
the air data tester is used for providing required pressure for the triaxial air data system under the control of the PC host so as to complete air tightness detection of the triaxial air data system;
the atmospheric data tester is also used for carrying out atmospheric performance simulation under the control of the PC host to obtain a test nominal range, comparing the atmospheric parameters of the triaxial atmospheric data system acquired by the test calibration platform with the test nominal range, determining whether the atmospheric parameter accuracy test passes or not according to the comparison result, and outputting the test result.
2. The triaxial atmospheric data system tester as defined in claim 1, wherein the test calibration platform is provided with an adapter, the adapter is connected with the PC mainframe and the triaxial atmospheric data system,
the adapter is used for:
amplifying, isolating and filtering a reference signal sent by a PC host, and transmitting the processed signal to a triaxial atmospheric data system so that the triaxial atmospheric data system resolves to obtain an atmospheric parameter according to the processed signal;
and collecting the atmospheric parameters of the triaxial atmospheric data system, and transmitting the collected atmospheric parameters to the PC host.
3. The triaxial atmospheric data system tester of claim 1, wherein atmospheric parameters include an angle of attack and a sideslip angle, the triaxial atmospheric data system tester further comprising: a mounting bracket, a rotary table and a fixture for calibration,
the rotary table is arranged on the mounting support, the three-axis atmospheric data system is arranged on the rotary table, the calibration fixture is arranged at the position of an airspeed head of the three-axis atmospheric data system, a speed vector sensor of the three-axis atmospheric data system is positioned on the calibration fixture, and the rotary table and the calibration fixture are connected with the PC host;
the rotary table and the calibration clamp are used for rotating under the control of the PC host, changing the angle of a speed vector sensor of the triaxial atmospheric data system and simulating the change conditions of an attack angle and a sideslip angle of the triaxial atmospheric data system in the atmospheric parameters in the flight process.
4. The triaxial atmospheric data system tester of claim 2, wherein the test calibration platform further comprises a programmable resistance box connected to the PC host and the triaxial atmospheric data system,
the program-controlled resistance box is used for providing a total temperature analog quantity signal for the three-axis atmospheric data system under the control of the PC host computer to obtain a target total temperature range, and the PC host computer is used for comparing the total temperature of the three-axis atmospheric data system acquired by the adapter of the test calibration platform with the target total temperature range; when the total temperature belongs to the target total temperature range, the PC host determines that the total temperature accuracy test is passed, and outputs indication information that the total temperature accuracy test is passed.
5. A method for testing a triaxial atmospheric data system, the method using the triaxial atmospheric data system tester of any one of claims 1 to 4, the method comprising:
step 1, when receiving a full-pressure pipeline air tightness detection instruction, a PC host controls an atmospheric data tester to pressurize a full-pressure pipeline until the airspeed is a first target value;
step 2, the PC host determines whether the air tightness detection of the full-pressure pipeline is qualified according to the descending value of the airspeed, and outputs a detection result;
step 3, when the PC host receives the air tightness detection instruction of the static pressure pipeline, controlling the atmospheric data tester to apply negative pressure to the static pressure pipeline until the absolute air pressure height is a second target value;
step 4, the PC host determines whether the air tightness detection of the static pressure pipeline is qualified according to the drop value of the absolute air pressure height, and outputs a detection result;
step 5, when the PC host receives the parameter test instruction, performing atmospheric performance simulation through the atmospheric data tester to determine a test nominal range; and comparing the atmospheric parameters of the triaxial atmospheric data system acquired by the test calibration platform with the test nominal range, determining whether the atmospheric parameter accuracy test passes according to the comparison result, and outputting the test result.
6. The method according to claim 5, wherein the first target value is 300km/h, and step 2 comprises:
when the falling value of the airspeed within 1min is not more than 9km/h, the PC host determines that the air tightness detection of the full-pressure pipeline is qualified, and outputs the indication information of the qualified air tightness detection of the full-pressure pipeline;
otherwise, the PC host determines that the air tightness detection of the full-pressure pipeline is unqualified, and outputs indication information that the air tightness detection of the full-pressure pipeline is unqualified.
7. The method of claim 5, wherein the second target value is 5000m, and step 4 comprises:
when the pressure reduction is stopped for 1min and the absolute air pressure height is reduced by no more than 100m, the PC host machine determines that the static pressure pipeline is qualified in air tightness detection and outputs indication information of the qualified static pressure pipeline in air tightness detection;
otherwise, the PC host machine determines that the static pressure pipeline is unqualified in air tightness detection, and outputs indication information that the static pressure pipeline is unqualified in air tightness detection.
8. The method of claim 5, further comprising:
when receiving a total temperature parameter test instruction, the PC host provides a total temperature analog quantity signal for the triaxial atmosphere data system through the program-controlled resistance box to obtain a target total temperature range; comparing the total temperature of the triaxial atmospheric data system sent by the adapter of the test calibration platform with the target total temperature range; when the total temperature belongs to the target total temperature range, the PC host determines that the total temperature accuracy test is passed, and outputs indication information that the total temperature accuracy test is passed.
9. The method according to any one of claims 5 to 8, wherein prior to step 1, the method further comprises:
when the PC host receives a self-checking instruction triggered by a user, the three-axis atmospheric data system tester executes self-checking operation, and the PC host displays a user login interface after the self-checking is qualified;
and when the PC host receives a user login instruction, displaying a test interface.
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