CN113340560A - Doppler interferometer calibration and debugging system, calibration method and debugging method - Google Patents
Doppler interferometer calibration and debugging system, calibration method and debugging method Download PDFInfo
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- CN113340560A CN113340560A CN202110759706.6A CN202110759706A CN113340560A CN 113340560 A CN113340560 A CN 113340560A CN 202110759706 A CN202110759706 A CN 202110759706A CN 113340560 A CN113340560 A CN 113340560A
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
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Abstract
The invention is suitable for the technical field of icing experimental devices and provides a Doppler interferometer calibration and debugging system, a Doppler interferometer calibration method and a Doppler interferometer debugging method. The system can be used for auxiliary calibration and debugging of the Doppler interferometer in the icing experiment by technicians, and comprises the following steps: the device comprises a Doppler interferometer, a support, a calibration component and a debugging component; the calibration component and the debugging component are arranged on the bracket; during calibration, the calibration component extends into an optical sampling area of the Doppler interferometer; during debugging, the debugging component sprays to an optical sampling area of the Doppler interferometer. By adopting the system, the interference of small liquid drops or impurities suspended in the optical sampling area on phase calibration can be effectively avoided when the Doppler interferometer is calibrated, the working state of the Doppler interferometer can be estimated, whether the Doppler interferometer can successfully acquire signals can be determined before a real wind tunnel spraying experiment, and then the waste of manpower and material resources is avoided.
Description
Technical Field
The invention relates to an icing experimental device, in particular to a Doppler interferometer calibration and debugging system, a calibration method and a debugging method.
Background
A two-channel airborne Phase Doppler Interferometer (PDI-FPDR) is an airborne measuring device developed by Artie Technologies to meet the requirement of natural icing cloud parameter measurement. The device can simultaneously realize the measurement of the diameter of the liquid drop and the speed of the liquid drop based on a phase Doppler method, and comprises an optical emission probe, an optical receiving probe, an ASA signal processor and an AIMS system software platform. At present, PDI-FPDR is used for carrying out size calibration and measurement on droplets in a cloud field in large icing wind tunnels in China. When the calibration is carried out, the PDI-FPDR is installed at the center of a turntable of a test section, and after the airflow field and the cloud field are sequentially established and stabilized, the PDI-FPDR is used for collecting the size parameters of liquid drops. And after the collection is finished, processing and analyzing the collection result, and evaluating whether the size of the liquid drops in the cloud field meets the relevant standard.
Two outstanding problems still exist when the current icing wind tunnel uses PDI-FPDR: firstly, when phase calibration is performed, suspended droplets and impurities in air may enter an optical sampling area of an instrument, and signals interfere with the phase calibration, so that the accuracy of a measurement result is affected; secondly, after spraying starts, the instrument often cannot successfully acquire signals, if the spraying starts, the test needs to be stopped, technicians check the communication circuit faults, and then the airflow field, the cloud and mist field and the like are established again to start the test again. The process not only wastes time and seriously influences efficiency, but also greatly improves the energy consumption of the wind tunnel.
Disclosure of Invention
The application aims to provide a calibration and debugging system, a calibration method and a debugging method of a Doppler interferometer so as to assist technicians in calibrating and debugging the Doppler interferometer.
In a first aspect of the present application, a doppler interferometer calibration and debugging system is provided, which can be used for a technician to perform auxiliary calibration and debugging on a doppler interferometer in a icing experiment. The debugging system comprises: the device comprises a Doppler interferometer, a support, a calibration component and a debugging component; the calibration component and the debugging component are arranged on the bracket; during calibration, the calibration component extends into an optical sampling area of the Doppler interferometer; during debugging, the debugging component sprays to an optical sampling area of the Doppler interferometer.
Further, the calibration assembly comprises a shielding portion and a power portion, wherein the power portion drives the shielding portion to extend into or move out of an optical sampling area of the Doppler interferometer.
Further, the debugging subassembly includes water storage tank, diaphragm pump, atomizer, inlet tube, outlet pipe, the one end of diaphragm pump pass through the inlet tube with the water storage tank is connected, the other end of diaphragm pump passes through the outlet pipe and is connected with the atomizer.
Further, still include to turn to the subassembly, turn to the subassembly and install in on the support, it is used for driving to turn to the subassembly the calibration subassembly rotates with the debugging subassembly.
Further, the steering assembly comprises a rotary cylinder, an electromagnetic valve and an air compressor, the rotary cylinder is connected with the main body, one end of the electromagnetic valve is connected with the air compressor, and the other end of the electromagnetic valve is connected with the rotary cylinder.
In a second aspect of the present application, a method for calibrating a doppler interferometer is provided, the method comprising the steps of:
step S01: arranging the calibration and debugging system;
step S02: opening the Doppler interferometer, and controlling the calibration component to extend into an optical sampling area of the Doppler interferometer;
step S03: opening a calibration program to compensate the phase delay of the Doppler interferometer;
step S04: and controlling the calibration component to move out of an optical sampling area of the Doppler interferometer.
In a third aspect of the present application, a method for debugging a doppler interferometer is provided, which includes the following steps:
step S001: arranging the calibration and debugging system;
step S002: aligning the commissioning component with a doppler interferometer;
step S003: controlling the debugging component to spray to an optical sampling area of the Doppler interferometer;
step S004: collecting liquid drops;
step S005: analyzing the collected liquid drops and judging the working state of the Doppler interferometer;
step S006: and debugging the Doppler interferometer according to the working state of the Doppler interferometer.
Further, in step S004, the acquisition time period is 10S.
Further, step S005 includes the steps of:
step S0051, judging whether the working state of the Doppler interferometer is normal or not according to the collected particle number and particle passing rate of the liquid drops;
when the number of the collected liquid drop particles is more than or equal to 3000 and the particle passing rate is higher than 30%, indicating that the working state of the Doppler interferometer is normal;
when the number of the collected liquid drop particles is less than 100 or the particle passing rate is less than 10%, the working state of the Doppler interferometer (1) is abnormal.
Further, step S0051 may further comprise the step of,
when the number of the collected liquid drop particles is less than 100 and the particle passing rate is less than 10%, indicating that a communication circuit of the Doppler interferometer has a fault;
when the number of the collected liquid drop particles is between 100 and 3000 or the particle passing rate is between 10 percent and 30 percent, the condition indicates that the communication circuit of the Doppler interferometer has no fault, and the parameters of the Doppler interferometer are reset.
Compared with the prior art, the beneficial technical effect of this application lies in:
1) by the Doppler interferometer calibration and debugging system, technicians can perform auxiliary calibration on the Doppler interferometer; therefore, when the Doppler interferometer runs a calibration program, laser light emitted by the Doppler interferometer can be prevented from entering the receiving probe, and therefore interference of small liquid drops or impurities suspended in the optical sampling area on phase calibration is effectively avoided.
2) Through this application doppler interferometer calibration debugging system, technical staff can assist the debugging to the doppler interferometer, when debugging the doppler interferometer, can form a miniature cloud and fog field in advance, then the operation doppler interferometer judges whether its operating condition is normal, if abnormal, then judge its reason to corresponding debugging is carried out to pertinence ground. Therefore, by adopting the device, the working state of the Doppler interferometer can be estimated, and whether the Doppler interferometer can successfully acquire signals or not can be determined before a real wind tunnel spraying experiment, so that the waste of manpower and material resources is avoided.
3) The Doppler interferometer is provided with the steering assembly, the bracket is driven to rotate through the rotation of the steering assembly, and then the position change of the calibration assembly and the position change of the debugging assembly which are arranged on the bracket are driven, so that the calibration/debugging operation of the Doppler interferometer is realized; therefore, when the wind tunnel cloud and fog field experiment is carried out, the calibration and debugging work of the Doppler interferometer can be completed by a single person.
4) Judging whether the working state of the Doppler interferometer is normal or not according to the particle number and the particle passing rate of the collected liquid drops; therefore, a technician can clearly judge the working state of the Doppler interferometer according to the pre-operation experimental result of the Doppler interferometer, and can judge the fault of the Doppler interferometer according to the pre-operation experimental result when the working state of the Doppler interferometer is judged to be abnormal.
Drawings
FIG. 1 is a schematic illustration of calibration in one embodiment of the invention;
FIG. 2 is a schematic illustration of debugging in one embodiment of the invention;
FIG. 3 is a schematic diagram of a Doppler interferometer in one embodiment of the invention;
FIG. 4 is a schematic diagram of a calibration assembly in one embodiment of the invention;
FIG. 5 is a diagram illustrating the structure of a debug component in one embodiment of the present invention;
FIG. 6 is a schematic view of a steering assembly in one embodiment of the present invention.
The device comprises a Doppler interferometer 1, an optical sampling area 11, a support 2, a calibration component 3, a shielding part 31, a power part 32, a debugging component 4, a water storage tank 41, a diaphragm pump 41, an atomizing nozzle 43, a water inlet pipe 44, a water outlet pipe 45, a steering component 5, a rotary cylinder 51, an electromagnetic valve 52 and an air compressor 53.
Detailed Description
The following description provides many different embodiments, or examples, for implementing different features of the invention. The particular examples set forth below are illustrative only and are not intended to be limiting.
FIG. 3 is a schematic diagram of a Doppler interferometer according to an embodiment of the present invention. In the icing experiment, a Doppler interferometer is often adopted to realize the size calibration of the droplets in the cloud field. The specific principle is as follows: the doppler interferometer calculates the size of particles from the phase difference of the doppler signals received at different locations, and the circuit part itself has a phase difference, so the doppler interferometer compensates for the phase delay itself in the system by running a calibration program. During the operation of the calibration program, if a droplet or an impurity passes through the sampling region, the phase compensation is affected, and the accuracy of the measurement result is affected.
In addition, after the spraying experiment is started, the Doppler interferometer can not successfully acquire signals, if the situation occurs, the experiment needs to be stopped, technicians check the communication circuit faults, and then the airflow field, the cloud and mist field and the like are established again to start the experiment again. The process not only wastes time and seriously influences efficiency, but also greatly improves the energy consumption of the wind tunnel. In order to solve the above problems, the present application provides the following solutions.
Fig. 1 is a schematic diagram illustrating a calibration of a doppler interferometer according to an embodiment of the present application, and fig. 2 is a schematic diagram illustrating a debugging of a doppler interferometer according to an embodiment of the present application, where the system can be used for a technician to perform an auxiliary calibration and debugging on a doppler interferometer in a icing experiment.
Specifically, the debugging system includes: the device comprises a Doppler interferometer 1, a support 2, a calibration component 3 and a debugging component 4; the calibration component 3 and the debugging component 4 are arranged on the bracket 2; during calibration, the calibration assembly 3 extends into the optical sampling area 11 of the doppler interferometer 1; during commissioning, the commissioning component 4 sprays the optical sampling area 11 of the doppler interferometer 1.
In the scheme, the calibration component 3 and the debugging component 4 are both arranged on the bracket 2;
when the calibration operation needs to be performed on the doppler interferometer 1, the calibration component 3 is aligned to the doppler interferometer 1, then the calibration component 3 is inserted into the optical sampling area 11 of the doppler interferometer 1, and then the phase calibration program of the doppler interferometer 1 is executed, at this time, the doppler interferometer 1 automatically compensates for the phase delay of the system. At this time, the calibration module located in the optical sampling area 11 of the doppler interferometer 1 will prevent the emitted light of the doppler interferometer 1 from entering the receiving probe, so that the interference of external signals, such as droplets, impurities, particles, etc. suspended in the optical sampling area 11, to the phase calibration can be avoided.
When a debugging program needs to be executed on the Doppler interferometer 1, the debugging component 4 is aligned to the Doppler interferometer 1, then the debugging component 4 sprays to the optical sampling area 11 of the Doppler interferometer 1 to form a small cloud field, then the Doppler interferometer 1 is operated to judge whether the working state is normal, if not, the reason is judged, and corresponding debugging is carried out in a targeted manner. Therefore, by adopting the device, the working state of the Doppler interferometer 1 can be estimated, and whether the Doppler interferometer 1 can successfully acquire signals or not can be determined before a real wind tunnel spraying experiment, so that the waste of manpower and material resources is avoided.
In the icing wind tunnel cloud field test, the calibration operation and the debugging operation of the doppler interferometer 1 are two relatively independent operations. In the prior art, when a technician performs a calibration and debugging operation of the doppler interferometer 1, the calibration and debugging operation often needs to be completed by multiple persons.
Foretell doppler interferometer 1 calibration debugging system not only to the calibration operation and the debugging operation of doppler interferometer 1, has designed corresponding calibration subassembly 3 and debugging subassembly 4 respectively, is in the same place with above-mentioned calibration subassembly 3 and debugging subassembly 4 integration moreover, so in actual experimentation, by single calibration and the debugging work of accomplishing doppler interferometer 1, saved the manpower greatly, improved experimental efficiency.
As shown in fig. 4, in one embodiment, the calibration assembly 3 includes a shielding portion 31 and a power portion 32, and the power portion 32 drives the shielding portion 31 to extend into or move out of the optical sampling area 11 of the doppler interferometer 1.
In the above scheme, the shielding portion 31 may be a shielding sheet made of opaque material, and the laser fiber cannot penetrate through the shielding sheet, such as ABS plastic;
the power portion is used for providing power for the shielding portion 31 to extend into or move out of the optical sampling area 11. The power part can be a motor; the shielding piece is connected to the front end of an electric push rod of the motor through a bolt, and the electric push rod completes the action of the push rod by utilizing the positive and negative rotation of the motor, so that the shielding piece is moved into or out of the optical sampling area 11.
As shown in fig. 5, in one embodiment, the commissioning assembly 4 includes a water storage tank 41, a diaphragm pump 42, an atomizer 43, a water inlet pipe 44, and a water outlet pipe 45, wherein one end of the diaphragm pump 42 is connected to the water storage tank 41 through the water inlet pipe 44, and the other end of the diaphragm pump 42 is connected to the atomizer 43 through the water outlet pipe 45.
In the above scheme, one end of the diaphragm pump 42 is connected with the water storage tank 41 through a water inlet pipe 44, and the other end of the diaphragm pump 42 is connected with the atomizing nozzle 43 through a water outlet pipe 45.
Specifically, by the operation of the motor of the diaphragm pump 42, the diaphragm inside the diaphragm pump 42 is driven to and fro, and suction and discharge actions are formed in the cavity of the diaphragm pump 42; thus, the water in the water storage tank 41 is sucked into the cavity of the diaphragm pump 42 through the water inlet pipe 44; water in the diaphragm pump 42 cavity is discharged through outlet pipe 45, and during discharged water reentered into atomizer 43, water cracked into the tiny particle crowd under atomizer 43's effect, the tiny particle crowd wholly is conical, moves to optics sampling area 11 after atomizer 43 spouts, thereby can the optics sampling area 11 of Doppler interferometer 1 forms the spraying.
In one embodiment, the calibration and commissioning system for the doppler interferometer further comprises a steering assembly 5, wherein the steering assembly 5 is mounted on the support 2, and the steering assembly 5 is used for driving the calibration assembly 3 and the commissioning assembly 4 to rotate.
In the above solution, when the calibration operation is performed on the doppler interferometer 1, the calibration component 3 needs to be directly opposite to the optical sampling area 11 of the doppler interferometer 1; when performing a commissioning operation on the doppler interferometer 1, it is necessary to face the commissioning component 4 against the optical sampling area 11 of the doppler interferometer 1. The steering component 5 is used for realizing position conversion among the calibration component 3, the debugging component 4 and the Doppler interferometer 1.
Through will turn to subassembly 5 install in on the support 2, through the rotation that turns to subassembly 5, drive the rotation of support 2, and then drive install in the position change of calibration subassembly 3 on the support 2, debugging subassembly 4 to the realization is carried out calibration/debugging operation to Doppler interferometer 1, so, when carrying out wind-tunnel cloud fog field experiment, single calibration and the debugging work that can accomplish Doppler interferometer 1.
Of course, it can be understood that the steering assembly 5 can drive the calibration assembly 3 and the debugging assembly 4 to rotate by driving the bracket 2 to rotate, or can directly drive the calibration assembly 3 and the debugging assembly 4 to rotate, which is not limited herein.
As shown in fig. 6, in one embodiment, the steering assembly 5 includes a rotary cylinder 51, a solenoid valve 52, and an air compressor 53, wherein the rotary cylinder 51 is connected to the bracket 2, one end of the solenoid valve 52 is connected to the air compressor 53, and the other end of the solenoid valve 52 is connected to the rotary cylinder 51.
In the above solution, a specific structure of the steering assembly 5 is given.
When the calibration module 3 and the debugging module 4 are installed back to back, the rotating cylinder 51 can be a 180 ° rotating cylinder 51, for example, the rotating cylinder 51 can be a rack and pinion rotating cylinder 51, the rotating cylinder 51 is connected with the main body, one end of the solenoid valve 52 is connected with the air compressor 53, and the other end of the solenoid valve 52 is connected with the rotating cylinder 51. An air compressor 53 supplies compressed air to the rotary cylinder 51, and an air pipe and a solenoid valve 52 are used to communicate the two. Under the action of compressed air, the piston in the rotary cylinder 51 drives the rack to do linear motion, the rack pushes the gear to do rotary motion, and the gear output torque drives the main rod to rotate.
Specifically, when the solenoid valve 52 is powered on, the air source provided by the air compressor 53 enters the OA air pipe, enters the OC air pipe through the solenoid valve 52, the compressed air enters the cylinder and then drives the main rod to rotate 180 degrees, the debugging component 4 rotates from the outer side to the inner side, the compressed air is discharged through the vent hole of the solenoid valve 52 through the OB pipe, and the process is the working process of the steering component 5.
When the electromagnetic valve 52 is powered off, compressed air enters the OB pipe from the OA pipe through the electromagnetic valve, the compressed air enters the cylinder and then drives the main rod to rotate 180 degrees, the debugging component 4 rotates from the inner side to the outer side, and the process is the resetting process of the steering component 5.
Of course, the steering assembly 5 is not limited to the above structure, and may be in other structures in the prior art and in the prior art, as long as the position of the calibration assembly 3 and the debugging assembly 4 relative to the doppler interferometer 1 can be changed, which is not limited herein.
In one embodiment, the calibration and commissioning system further comprises a control system that enables control of the shutter assembly, which can be controlled to extend into or move out of the optical sampling area 11; the on-off of the diaphragm pump 42 can be controlled, and the on-off control of the atomization of the atomizing nozzle 43 is realized; the control of the rotation switching between the calibration component 3 and the debugging component 4 can be realized by controlling the on-off of the electromagnetic valve 52 of the steering component 5; and simultaneously, the on-off of the air compressor 53 can be controlled.
The embodiment of the present application further provides a method for calibrating the doppler interferometer 1, which includes the following steps:
step S01: arranging the calibration and debugging system;
step S02: opening the Doppler interferometer 1, and controlling the calibration assembly 3 to extend into an optical sampling area 11 of the Doppler interferometer 1;
step S03: opening a calibration program to compensate the phase delay of the Doppler interferometer 1;
step S04: the calibration component 3 is controlled to move out of the optical sampling area 11 of the doppler interferometer 1.
In the above scheme, the calibration operation of the doppler interferometer 1 is realized by controlling the calibration component 3 to extend into or move out of the optical sampling area 11 of the doppler interferometer 1.
Through stretching the calibration component 3 into the optical sampling area 11 of the doppler interferometer 1, when the doppler interferometer 1 runs a calibration program, laser light emitted by the doppler interferometer 1 can be prevented from entering a receiving probe, so that interference of small liquid drops or impurities suspended in the optical sampling area 11 on phase calibration is effectively avoided.
The embodiment of the present application further provides a method for debugging the doppler interferometer 1, which includes the following steps:
step S001: arranging the calibration and debugging system;
step S002: aligning the commissioning component 4 with the doppler interferometer 1;
step S003: controlling the debugging component 4 to spray to an optical sampling area 11 of the Doppler interferometer 1;
step S004: collecting liquid drops;
step S005: analyzing the collected liquid drops and judging the working state of the Doppler interferometer 1;
step S006: and debugging the Doppler interferometer 1 according to the working state of the Doppler interferometer 1.
In the above scheme, the debugging component 4 is controlled to form local spraying in the optical sampling area 11 of the doppler interferometer 1, and the doppler interferometer 1 is operated in advance, so that the working state of the doppler interferometer 1 can be judged according to the acquisition result, and the doppler interferometer 1 is debugged correspondingly according to the judgment result. Therefore, whether the Doppler interferometer 1 can successfully acquire signals or not can be determined before wind tunnel spraying, and further waste of manpower and material resources is avoided.
In one embodiment, in step S004, the acquisition time is 10S.
In the above scheme, the doppler interferometer 1 is operated to acquire the droplet size in the spray. Preferably, the collection time is 10s, the collection efficiency of the liquid drops can be guaranteed by the time, the waste of resources caused by overlong collection time is avoided, and the requirement of a pre-experiment cannot be met by the overlong collection time.
In one embodiment, step S005 comprises the steps of:
step S0051, judging whether the working state of the Doppler interferometer 1 is normal or not according to the collected particle number and particle passing rate of the liquid drops;
when the number of the collected liquid drop particles is more than or equal to 3000 and the particle passing rate is higher than 30%, indicating that the working state of the Doppler interferometer 1 is normal;
when the number of the collected liquid drop particles is less than 100 or the particle passing rate is less than 10%, the working state of the doppler interferometer 1 is abnormal.
In one embodiment, step S0051 further comprises the step of,
when the number of the collected liquid drop particles is less than 100 and the particle passing rate is less than 10%, indicating that a communication circuit of the Doppler interferometer 1 has a fault;
when the number of the collected liquid drop particles is between 100 and 3000 or the particle passing rate is between 10% and 30%, it indicates that there is no fault in the communication circuit of the doppler interferometer 1, and the parameters of the doppler interferometer 1 are reset.
In the above scheme, a specific method for judging the working state of the doppler interferometer 1 according to the debugging module is provided. By referring to the above, when performing the debugging operation of the doppler interferometer 1, a technician can clearly determine the working state of the doppler interferometer 1 according to the result of the pre-operation experiment of the doppler interferometer 1, and when determining that the working state of the doppler interferometer 1 is abnormal, can determine the fault location of the doppler interferometer 1 according to the result of the pre-operation experiment. Therefore, whether the Doppler interferometer 1 can successfully acquire signals or not can be determined before wind tunnel spraying, and further waste of manpower and material resources is avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A doppler interferometer calibration debugging system, comprising: the device comprises a Doppler interferometer (1), a support (2), a calibration component (3) and a debugging component (4); the calibration component (3) and the debugging component (4) are arranged on the bracket (2);
during calibration, the calibration component (3) extends into an optical sampling area (11) of the Doppler interferometer (1);
during debugging, the debugging component (3) sprays to an optical sampling area (11) of the Doppler interferometer (1).
2. The calibration debugging system according to claim 1, characterized in that the calibration component (3) comprises a shielding portion (31), a power portion (32), and the power portion (32) drives the shielding portion (31) into or out of the optical sampling area (11) of the doppler interferometer (1).
3. The doppler interferometer calibration debugging system of claim 2, wherein the debugging assembly (4) comprises a water storage tank (41), a diaphragm pump (42), an atomizer (43), a water inlet pipe (44), and a water outlet pipe (45), wherein one end of the diaphragm pump (42) is connected to the water storage tank (41) through the water inlet pipe (44), and the other end of the diaphragm pump (42) is connected to the atomizer (43) through the water outlet pipe (45).
4. The system for calibrating and debugging a doppler interferometer according to claim 3, further comprising a steering assembly (5), wherein the steering assembly (5) is mounted on the support (1), and wherein the steering assembly (5) is used for driving the calibration assembly (3) and the debugging assembly (4) to rotate.
5. The Doppler interferometer calibration and debugging system according to claim 4, wherein the steering assembly (5) comprises a rotary cylinder (51), a solenoid valve (52) and an air compressor (53), the rotary cylinder (51) is connected with the bracket (1), one end of the solenoid valve (52) is connected with the air compressor (53), and the other end of the solenoid valve (52) is connected with the rotary cylinder (51).
6. A method of calibrating a doppler interferometer, comprising the steps of:
step S01: arranging a doppler interferometer calibration commissioning system according to one of claims 1-5;
step S02: opening the Doppler interferometer (1), and controlling the calibration component (3) to extend into an optical sampling area (11) of the Doppler interferometer (1);
step S03: turning on a calibration procedure to compensate for the phase delay of the doppler interferometer (1);
step S04: controlling the calibration component (3) to move out of an optical sampling area (11) of the Doppler interferometer (1).
7. A Doppler interferometer debugging method is characterized by comprising the following steps:
step S001: arranging a doppler interferometer calibration commissioning system according to one of claims 1-5;
step S002: aligning the commissioning component (4) with a doppler interferometer (1);
step S003: controlling the debugging component (4) to spray to an optical sampling area (11) of the Doppler interferometer (1);
step S004: collecting liquid drops;
step S005: analyzing the collected liquid drops and judging the working state of the Doppler interferometer (1);
step S006: debugging the Doppler interferometer (1) according to the working state of the Doppler interferometer (1).
8. The doppler-interferometer-assisted debugging method according to claim 7, wherein in step S004, the acquisition time is 10S.
9. The method for debugging a doppler interferometer according to claim 7, wherein the step S005 comprises the steps of:
step S0051, judging whether the working state of the Doppler interferometer (1) is normal or not according to the collected particle number and particle passing rate of the liquid drops;
when the number of the collected liquid drop particles is more than or equal to 3000 and the particle passing rate is higher than 30%, indicating that the working state of the Doppler interferometer (1) is normal;
when the number of the collected liquid drop particles is less than 100 or the particle passing rate is less than 10%, the working state of the Doppler interferometer (1) is abnormal.
10. The method for debugging a Doppler interferometer according to claim 9, wherein the step S0051 further comprises the step of,
when the number of the collected liquid drop particles is less than 100 and the particle passing rate is less than 10%, indicating that a communication circuit of the Doppler interferometer (1) has a fault;
when the number of the collected liquid drop particles is between 100 and 3000 or the particle passing rate is between 10 percent and 30 percent, the condition indicates that the communication circuit of the Doppler interferometer (1) has no fault, and the parameters of the Doppler interferometer (1) are reset.
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| CN113721040A (en) * | 2021-11-03 | 2021-11-30 | 菏泽天顺新能源设备有限公司 | Device for calibrating micro anemometer by using laser measurement and use method |
| CN115541172A (en) * | 2022-12-02 | 2022-12-30 | 中国航空工业集团公司沈阳空气动力研究所 | Continuous measurement device for ice wind tunnel cloud and mist field |
| CN115791183A (en) * | 2022-10-13 | 2023-03-14 | 中国航发四川燃气涡轮研究院 | Test device for high-altitude icing simulation test of aero-engine |
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