CN213422203U - Multifunctional calibrating device for radio compass - Google Patents
Multifunctional calibrating device for radio compass Download PDFInfo
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- CN213422203U CN213422203U CN202021851397.2U CN202021851397U CN213422203U CN 213422203 U CN213422203 U CN 213422203U CN 202021851397 U CN202021851397 U CN 202021851397U CN 213422203 U CN213422203 U CN 213422203U
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Abstract
The utility model discloses a radio compass multifunctional calibration device, which comprises a radio compass comprehensive test device and a compass deviation correction distance measuring device, wherein the radio compass comprehensive test device consists of a micro-control processing module, a display control module, a signal conditioning module, a test control module and a radio frequency antenna assembly, the radio compass comprehensive test device is used for data communication between a radio compass host and a radio compass control box, a matching unit, a power supply conversion module, a signal switching unit and a radio compass three-phase synchronous signal collector are arranged in the radio compass comprehensive test device, the device is used for conversion of different power supplies of each module and transmission processing of data signals, the error correction distance measuring device adopts a pulse type laser distance measuring principle, the error correction distance measuring device is provided with two laser distance measuring instruments, and the laser distance measuring instruments serve as laser reflectors. The beneficial effects of the utility model are that for having solved the defect that the tradition promoted aircraft correction method, the material resources of using manpower sparingly and raise the efficiency.
Description
Technical Field
The utility model relates to a calibrating device field, in particular to multi-functional calibrating device of radio compass.
Background
With the increasing maturity of radio navigation technology, more and more navigation devices are applied to airplanes as vital auxiliary devices, and in order to adapt to the environment under modern high technology, the performance of airplanes is continuously improved, and more corresponding test devices are also appeared. As one of the important onboard short-range navigation devices, radio compasses, also known as ADFs (automatic document feeders), have their performance and quality directly affecting the flight safety and tactical performance of the aircraft. Therefore, daily detection and maintenance of the radio compass become a critical task, and in order to ensure integrity check of functions before installation of the radio compass and qualification check of indexes, it is necessary to design a radio testing device. The traditional method for correcting the error of the radio compass needs technical guarantee and coordination of multiple departments such as a navigation platform, an engineering vehicle for towing an airplane and the like, and is time-consuming, cost-consuming and labor-consuming, so that a more portable and labor-saving multifunctional calibrating device for the radio compass also needs to be designed on the basis of comprehensive testing equipment for the radio compass.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multi-functional calibrating device of radio compass can realize the technological effect that proposes in the above-mentioned background art.
The utility model provides a multi-functional calibrating device of radio compass, including radio compass integrated test equipment and compass correction range unit, radio compass integrated test equipment comprises little control processing module, display control module, signal conditioning module, test control module, radio frequency antenna module, radio compass integrated test equipment is used for with the data communication between radio compass host computer and the radio compass control box, radio compass integrated test equipment embeds matching unit, power conversion module, signal switching unit, radio compass three-phase synchronizing signal collector for the conversion of each module different power and the transmission of data signal are handled, compass correction range unit adopts pulsed laser rangefinder principle, compass correction range unit is provided with two laser rangefinders, laser rangefinder is as the laser reflector, one of the laser range finders is used as a reference range finder, and the other laser range finder is used as an auxiliary range finder and used for accurately controlling the correction angle and the test distance of the test equipment and transmitting the data signals to the radio compass comprehensive test equipment for processing.
Preferably, the test control module completes the control of the excitation source and the radio compass three-phase synchronous signal collector and the real-time interaction and monitoring of data on the communication bus during the test.
Preferably, the test control module is used for docking and adapting with the radio compass host and the radio compass control box, so as to realize display management of a system power supply, allocation of internal hardware resources, adaptation of a host interface, hardware resource switching during automatic test and signal test and indication of the front panel.
Preferably, the input radio frequency signal of the radio frequency antenna assembly is a field intensity signal, the output frequency, the output level amplitude and the output parameters of the AM of the radio frequency signal source can be manually set, the radio frequency signal source inputs the output signal to the radio compass antenna simulator, the radio compass antenna simulator converts the radio frequency signal into the field intensity signal and outputs the field intensity signal to the radio compass host, and the multifunctional data acquisition card is adopted to measure the parameters of the audio signal, so that the reception sensitivity test, the directional sensitivity test and the host self-checking test of the radio compass are completed.
The utility model has the advantages that: the radio compass multifunctional calibration device adopts a radio compass comprehensive test device and a radio compass correction ranging device comprehensive adaptation technology, is connected through wireless or wired signal transmission and is compatible with radio compass finished product test, various signal resources connected with the test device can be separated, and signals are classified and distributed to various measuring units, wherein the radio compass correction ranging device overcomes the defects of the traditional method for pushing an airplane to correct, and manpower and material resources and radio compass correction efficiency are greatly saved.
Drawings
Fig. 1 is a first schematic connection diagram of a multifunctional calibrating device for a radio compass, according to the present invention;
fig. 2 is a connection schematic diagram of a multifunctional calibrating apparatus for a radio compass, according to the present invention;
fig. 3 is a schematic diagram of a compass error correction distance measuring device of the multifunctional calibrating device for a radio compass.
Detailed Description
In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
The embodiment of the utility model provides a multi-functional calibrating device of radio compass, including radio compass integrated test equipment and compass correction range unit, radio compass integrated test equipment comprises little control processing module, display control module, signal conditioning module, test control module, radio frequency antenna module, radio compass integrated test equipment is used for with the radio compass host computer with radio compass between the data communication of control box, radio compass integrated test equipment embeds matching unit, power conversion module, signal switching unit, radio compass three-phase synchronizing signal collector, is used for the conversion of each module different power and the transmission of data signal to handle, compass correction range unit adopts pulsed laser rangefinder principle, compass correction range unit is provided with two laser rangefinders, laser rangefinder is as laser reflector, one of the laser range finders is used as a reference range finder, and the other laser range finder is used as an auxiliary range finder and used for accurately controlling the correction angle and the test distance of the test equipment and transmitting the data signals to the radio compass comprehensive test equipment for processing.
In this embodiment, the test control module completes control of the excitation source and the radio compass three-phase synchronous signal collector and real-time interaction and monitoring of data on the communication bus during testing.
In this embodiment, the test control module is used for docking and adapting with the radio compass host and the radio compass control box, so as to implement display management of a system power supply, allocation of internal hardware resources, adaptation of a host interface, hardware resource switching during automatic testing, and signal testing and indication of the front panel.
In this embodiment, the input radio frequency signal of the radio frequency antenna assembly is a field intensity signal, the output frequency, the output level amplitude and the output parameters of the AM of the radio frequency signal source can be manually set, the radio frequency signal source inputs the output signal to the radio compass antenna simulator, the radio compass antenna simulator converts the radio frequency signal into the field intensity signal and outputs the field intensity signal to the radio compass host, and the multifunctional data acquisition card is used to measure the parameters of the audio signal, thereby completing the reception sensitivity test, the directional sensitivity test and the host self-checking test of the radio compass.
The working principle is as follows: the compass test is calibrated by the calibration of the compass,
during the internal field test, the radio compass integrated test device is connected through a radio frequency cable and transmits small signals, so that the functional performance of the airborne radio compass receiver can be tested, as shown in fig. 1:
(II) during the outfield test, the radio compass integrated test equipment radiates signals to the airplane platform through the antenna, and the test is carried out through the configuration and adjustment of various parameters of the equipment, as shown in FIG. 2:
and (III) calibrating and positioning a compass:
as shown in FIG. 3, the range finder angle of the range finder calibration device is divided into eight directions as compass calibration fixed directions, the aircraft antenna is used as the origin, and the central axis is used as a connecting line from 0 to 180 degrees. Considering that laser rays can be shielded by airplane components, two distance meters need to be prepared, the distance meter 1 is placed at the original point and fixed, and the distance meter 2 is placed at a correction distance (different airplanes have different correction distances) of 180 degrees from the original point and fixed; in addition, a fixed cooperative target is needed to reflect laser rays of the distance measuring instrument, auxiliary positioning is carried out through the photoelectric position, and the distance measuring instrument and the cooperative target are supported by a support with the same height, so that the levelness of light is guaranteed. The tester moves the cooperative target around the circumference in the forward direction or the reverse direction of 0 ° to 180 °.
When there is no obstacle, the measurement can be performed directly by means of the distance meter 1, for example, when measuring a forward 45 ° azimuth, the direction of the light source of the distance meter 1 is turned to a forward 45 °, the cooperative target is moved to a 45 ° azimuth, the distance is adjusted by means of the distance meter 1 to a correction distance for positioning, and then compass calibration is performed at the determined position.
When an obstacle exists in a certain azimuth test range, for example, the obstacle blocks laser emission of the distance meter at 135 degrees, as shown in the figure, the position cannot be directly determined, the distance meter 2 is needed, firstly, an included angle α between a connecting line between the position of the cooperative target and the distance meter 2 and a central axis is calculated to be 67.5 degrees, the distance a from the cooperative target to the distance meter 1 is required to be a correction distance, the distance b from the cooperative target to the distance meter 2 is calculated, then, the distance meter 2 is adjusted to be 45 degrees, the cooperative target is moved to be positioned at the distance b from the distance meter, and compass calibration can be performed at the position.
The utility model has convenient operation of the inspection equipment, provides accurate navigation calibration data and provides necessary excitation signals for the radio compass; the calibration can be carried out in both an internal field and an external field, and is not limited by fields; positioning a proper calibration test point around a static airplane, keeping the airplane still, and performing mobile positioning calibration by using equipment; the calibration device is suitable for various machine types, is convenient to operate, and can complete calibration tasks by a small number of personnel.
The technical effects are as follows: the radio compass multifunctional calibration device adopts a radio compass comprehensive test device and a radio compass correction ranging device comprehensive adaptation technology, is connected through wireless or wired signal transmission and is compatible with radio compass finished product test, various signal resources connected with the test device can be separated, and signals are classified and distributed to various measuring units, wherein the radio compass correction ranging device overcomes the defects of the traditional method for pushing an airplane to correct, and manpower and material resources and radio compass correction efficiency are greatly saved.
The above disclosure is only for the specific embodiments of the present invention, however, the embodiments of the present invention are not limited thereto, and any changes that can be considered by those skilled in the art should fall into the protection scope of the present invention.
Claims (4)
1. A multifunctional calibration device for a radio compass is characterized in that: the radio compass comprehensive test device is composed of a micro-control processing module, a display control module, a signal conditioning module, a test control module and a radio frequency antenna assembly, the radio compass comprehensive test device is used for data communication between a radio compass host and a radio compass control box, a matching unit, a power supply conversion module, a signal switching unit and a radio compass three-phase synchronous signal collector are arranged in the radio compass comprehensive test device and are used for conversion of different power supplies of the modules and transmission processing of data signals, the compass correction ranging device adopts a pulse type laser ranging principle, the compass correction ranging device is provided with two laser range finders which serve as laser reflectors, one laser range finder serves as a reference ranging finder, and the other laser range finder is used as an auxiliary range finder and is used for accurately controlling the correction angle and the test distance of the test equipment and transmitting the data signal to the radio compass comprehensive test equipment for processing.
2. The multifunctional calibration device for the radio compass as claimed in claim 1, wherein the test control module performs control of the excitation source and the three-phase synchronous signal collector of the radio compass and real-time interaction and monitoring of data on the communication bus during testing.
3. The multifunctional calibration device for radio compass as claimed in claim 1, wherein the test control module is used for interfacing and adapting with the radio compass host and the radio compass control box, and implementing display management of system power, allocation of internal hardware resources, adaptation of host interface, hardware resource switching during automatic test, and signal test and indication of the front panel.
4. The multifunctional calibration device for a radio compass according to claim 1, wherein the input radio frequency signal of the radio frequency antenna assembly is a field strength signal, the output frequency, the output level amplitude and the output parameters of the AM of the radio frequency signal source can be manually set, the radio frequency signal source inputs the output signal to the radio compass antenna simulator, the radio compass antenna simulator converts the radio frequency signal into the field strength signal and outputs the field strength signal to the radio compass host, and the multifunctional data acquisition card is used to measure the parameters of the audio signal, thereby completing the receiving sensitivity test, the directional sensitivity test and the host self-test of the radio compass.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021851397.2U CN213422203U (en) | 2020-08-30 | 2020-08-30 | Multifunctional calibrating device for radio compass |
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| CN202021851397.2U CN213422203U (en) | 2020-08-30 | 2020-08-30 | Multifunctional calibrating device for radio compass |
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| CN213422203U true CN213422203U (en) | 2021-06-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932831A (en) * | 2021-09-24 | 2022-01-14 | 成都飞机工业（集团）有限责任公司 | Aircraft magnetic heading calibration method for laser aiming without reference object |
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2020
- 2020-08-30 CN CN202021851397.2U patent/CN213422203U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932831A (en) * | 2021-09-24 | 2022-01-14 | 成都飞机工业（集团）有限责任公司 | Aircraft magnetic heading calibration method for laser aiming without reference object |
| CN113932831B (en) * | 2021-09-24 | 2023-12-08 | 成都飞机工业（集团）有限责任公司 | Aircraft magnetic heading calibration method for laser aiming without reference object |
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