CN113341386A - Radar frequency synthesizer detection device based on PXI bus - Google Patents

Abstract

The invention provides a PXI bus-based radar frequency synthesizer detection device, wherein a liquid crystal screen and a keyboard mouse are respectively connected with a PXI bus zero slot controller to display man-machine interaction and fault information, the PXI bus zero slot controller is used for processing, displaying and transmitting detection data of the detection device, and resource allocation, control and communication are carried out through the PXI bus; the microwave signal source generates local oscillator and clock signals, and the system and the UUT power supply provide various working power supplies; an auxiliary test instrument is externally connected for test analysis; the interface board and the test interface provide different kinds of interfaces; the test accessory is connected with the adaptation detection device and the radar frequency synthesizer. The invention solves the problems of poor detection and maintenance timeliness, inconvenience for manual operation and possible secondary damage caused by manual intervention of the radar frequency synthesizer, obviously improves the radar guarantee capability, greatly reduces the burden of technicians due to the characteristic of portability, and is convenient for quick fault removal.

Description

Radar frequency synthesizer detection device based on PXI bus

Technical Field

The invention relates to the field of radars, in particular to a radar frequency synthesizer detection device which is mainly applied to the rapid detection and maintenance of a radar frequency synthesizer and can provide effective guarantee for the maintenance and the detection of the radar frequency synthesizer.

Background

In modern wars, the detection, early warning and guidance functions of the radar can often determine the trend of a battlefield station. The frequency synthesizer is used as a core component of the radar, and the power and the use of the radar are directly influenced by the performance of the frequency synthesizer. When the radar frequency synthesizer has a fault, the fault point is accurately and quickly positioned and the fault information is fed back, so that the method has important significance for timely processing and fault removal by a radar operator and recovering the normal function of the radar.

At present, the detection and maintenance of a large radar frequency synthesizer basically need to be completed completely by manpower, the timeliness is poor, and the normal use of the radar is seriously influenced for a long time; and usually the radar erects the station position higher, and the maintenance of technical staff of being inconvenient for is operated, when manual troubleshooting, except carrying multiple test instrument and meter and instrument, still need dismantle radar frequency synthesizer many places connecting cable and a plurality of module in compact space, and misoperation probably causes the secondary damage to radar frequency synthesizer.

The PXI specification is an extension of the CPCI specification, which defines a tightly packaged industry PCI bus architecture that provides excellent mechanical integrity while allowing easy handling of hardware modules. Therefore, the PXI product has higher-grade and more strict-defined environmental consistency indexes and meets the limit conditions of vibration, impact, temperature and humidity in an industrial environment. In addition, the mechanical specification of PXI adds an environmental performance test and an active cooling device, and is suitable for military conditions with severe conditions. The PXI bus has the characteristics of strong expandability and high integration level, so that various instruments can be highly integrated, and the space of a test platform can be greatly compressed. The PXI test platform constructed by adopting the virtual instrument concept can exert the advantages of software to the maximum extent, and the functional integration of all instruments is completed by means of the software, so that the automation degree of the test is greatly improved, and the test time is reduced.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a PXI bus-based radar frequency synthesizer detection device, which is used for solving the problems of poor detection and maintenance timeliness, difficult manual operation and secondary damage possibly caused by disassembly of the conventional radar frequency synthesizer.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a radar frequency synthesizer detection device based on a PXI bus comprises a liquid crystal screen, a keyboard and a mouse, a PXI bus zero slot controller, the PXI bus, a multifunctional data acquisition module, a high-speed digital I/O module, an analog output module, an oscilloscope module, a microwave signal source, a system, a UUT power supply, a LAN communication module, an external auxiliary test instrument, an interface board, a test interface and a test accessory;

the liquid crystal screen and the keyboard and the mouse are respectively connected with the PXI bus zero slot controller, and when fault detection is carried out, man-machine interaction and fault information are displayed; the PXI bus zero slot controller processes, displays and transmits detection data of the detection equipment, and performs resource allocation, control and communication on the multifunctional data acquisition module, the high-speed digital I/O module, the analog output module, the oscilloscope module and the external auxiliary test instrument through the PXI bus; the PXI bus enables a PXI bus zero-slot controller to perform high-speed transmission and interaction of control and configuration data between a multifunctional data acquisition module, a high-speed digital I/O module, an analog output module, an oscilloscope module and an LAN communication module; the microwave signal source generates local oscillation and clock signals required by testing the radar frequency synthesizer, and the local oscillation and clock signals are input into the radar frequency synthesizer through the interface board and the testing interface; the system and the UUT power supply provide various working power supplies for the detection equipment and the radar frequency synthesizer; the external auxiliary test instrument comprises a spectrum analyzer and a power meter and is used for testing and analyzing the frequency and the power of a high-frequency signal generated by the radar frequency synthesizer; the interface board and the test interface are adapted to the high-speed digital I/O module and the system and different interfaces between the UUT power supply and the radar frequency synthesizer; the test accessory is connected with the adaptation detection device and the radar frequency synthesizer.

And the multifunctional data acquisition module generates a static control signal of the frequency synthesizer to be detected and completes the function self-check of the multifunctional data acquisition module, the high-speed digital I/O module, the analog output module and the oscilloscope module.

The high-speed digital I/O module simulates and generates data, control signals and high-speed time sequence signals required in the detection process.

And the analog output module simulates and generates a fault detection signal of the radar frequency synthesizer.

And the oscilloscope module is used for collecting and detecting the timing clock signal generated by the radar frequency synthesizer.

And the LAN communication module is used for detecting the interaction of control and test data between the equipment zero slot controller and an external auxiliary test instrument.

The invention has the beneficial effects that the problems of poor detection and maintenance timeliness, inconvenience in manual operation and possibility of secondary damage caused by manual intervention are solved through the PXI bus modularization-based radar frequency synthesizer detection equipment, and the radar frequency synthesizer detection equipment has obvious improvement effect on building and improving the radar guarantee capability. In addition, compare in traditional inspection maintenance and need the technical staff to carry multiple test instrument and meter, radar frequency synthesizer check out test set gathers multiple detection function in an organic whole, and when narrow or high altitude construction, its portable characteristics also can greatly alleviate technical staff's burden, is convenient for clear down the trouble fast.

Drawings

Fig. 1 is a schematic block diagram of a radar frequency synthesizer detection apparatus of the present invention.

Detailed Description

The invention is further illustrated with reference to the following figures and examples.

The frequency synthesizer detection equipment provided by the invention mainly comprises a liquid crystal screen, a keyboard mouse, a PXI bus zero-slot controller, a PXI bus, a multifunctional data acquisition module, a high-speed digital I/O module, an analog output module, an oscilloscope module, a microwave signal source, a system, a UUT power supply, a LAN communication module, an external auxiliary test instrument, an interface board, a test interface and test accessories.

The liquid crystal screen and the keyboard mouse are respectively connected with the PXI bus zero slot controller, and when fault detection is carried out, man-machine interaction and fault information are displayed.

The PXI bus zero slot controller is used for processing, displaying and transmitting detection data of the detection equipment and allocating, controlling and communicating resources of the multifunctional data acquisition module, the high-speed digital I/O module, the analog output module, the oscilloscope module and the external auxiliary test instrument.

The PXI bus is used for controlling and configuring high-speed transmission and interaction of data among the PXI bus zero-slot controller, the multifunctional data acquisition module, the high-speed digital I/O module, the analog output module, the oscilloscope module and the LAN communication module.

The multifunctional data acquisition module is used for generating a static control signal of the frequency synthesizer to be detected and completing the function self-check of the multifunctional data acquisition module, the high-speed digital I/O module, the analog output module and the oscilloscope module.

The high-speed digital I/O module simulates and generates data, control signals and high-speed time sequence signals required in the detection process.

And the analog output module simulates and generates a fault detection signal of the radar frequency synthesizer.

And the oscilloscope module is used for collecting and detecting the timing clock signal generated by the radar frequency synthesizer.

And the microwave signal source is used for generating local oscillator and clock signals required by the test of the radar frequency synthesizer.

The system and the UUT power supply are used for providing various working power supplies for the detection equipment and the radar frequency synthesizer.

And the LAN communication module is used for detecting the interaction of control and test data between the equipment zero slot controller and the external auxiliary test instrument.

The external auxiliary test instrument comprises a spectrum analyzer and a power meter and is used for testing and analyzing the frequency and the power of a high-frequency signal generated by the radar frequency synthesizer.

The interface board and the test interface are used for adapting to different types of interfaces between the high-speed digital I/O module, the system and the UUT power supply and the radar frequency synthesizer.

The test accessory is used for connecting the adaptation detection equipment and the radar frequency synthesizer.

The radar frequency synthesizer detection device disclosed by the embodiment of the invention utilizes a PXI zero slot controller and a PXI bus to parallelly control a multifunctional data acquisition module, a high-speed digital I/O module, an analog output module, an oscilloscope module and system and a UUT power supply, and is connected with the detection device and the radar frequency synthesizer through an interface board, a test interface and a test accessory to complete detection of various index parameters of the radar frequency synthesizer. When the radar frequency synthesizer breaks down, the abnormal index parameters of the radar frequency synthesizer can be detected and analyzed in detail through the detection equipment, and the abnormal index parameters are quickly positioned to the corresponding fault module. The test and maintenance of radar equipment operators are greatly facilitated, so that the detection equipment constructed by the method is greatly superior to the traditional instrument in terms of test speed and convenience, and the radar guarantee capability of technical personnel is effectively improved.

Claims (6)

1. The utility model provides a radar frequency synthesizer check out test set based on PXI bus, includes LCD screen, keyboard mouse, PXI bus zero groove controller, PXI bus, multi-functional data acquisition module, high-speed digital IO module, analog output module, oscilloscope module, microwave signal source, system and UUT power, LAN communication module, external auxiliary test instrument, interface board and test interface and test annex, its characterized in that:

the PXI bus-based radar frequency synthesizer detection device is characterized in that a liquid crystal screen and a keyboard mouse are respectively connected with a PXI bus zero slot controller, and man-machine interaction and fault information are displayed during fault detection; the PXI bus zero slot controller processes, displays and transmits detection data of the detection equipment, and performs resource allocation, control and communication on the multifunctional data acquisition module, the high-speed digital I/O module, the analog output module, the oscilloscope module and the external auxiliary test instrument through the PXI bus; the PXI bus enables a PXI bus zero-slot controller to perform high-speed transmission and interaction of control and configuration data between a multifunctional data acquisition module, a high-speed digital I/O module, an analog output module, an oscilloscope module and an LAN communication module; the microwave signal source generates local oscillation and clock signals required by testing the radar frequency synthesizer, and the local oscillation and clock signals are input into the radar frequency synthesizer through the interface board and the testing interface; the system and the UUT power supply provide various working power supplies for the detection equipment and the radar frequency synthesizer; the external auxiliary test instrument comprises a spectrum analyzer and a power meter and is used for testing and analyzing the frequency and the power of a high-frequency signal generated by the radar frequency synthesizer; the interface board and the test interface are adapted to the high-speed digital I/O module and the system and different interfaces between the UUT power supply and the radar frequency synthesizer; the test accessory is connected with the adaptation detection device and the radar frequency synthesizer.

2. The PXI-bus-based radar frequency synthesizer detecting apparatus of claim 1, wherein:

and the multifunctional data acquisition module generates a static control signal of the frequency synthesizer to be detected and completes the function self-check of the multifunctional data acquisition module, the high-speed digital I/O module, the analog output module and the oscilloscope module.

3. The PXI-bus-based radar frequency synthesizer detecting apparatus of claim 1, wherein:

the high-speed digital I/O module simulates and generates data, control signals and high-speed time sequence signals required in the detection process.

4. The PXI-bus-based radar frequency synthesizer detecting apparatus of claim 1, wherein:

and the analog output module simulates and generates a fault detection signal of the radar frequency synthesizer.

5. The PXI-bus-based radar frequency synthesizer detecting apparatus of claim 1, wherein:

and the oscilloscope module is used for collecting and detecting the timing clock signal generated by the radar frequency synthesizer.

6. The PXI-bus-based radar frequency synthesizer detecting apparatus of claim 1, wherein:

and the LAN communication module is used for detecting the interaction of control and test data between the equipment zero slot controller and an external auxiliary test instrument.

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