CN113568359A - Be used for instrument landing equipment lower slip table fault detection and processing apparatus - Google Patents
Be used for instrument landing equipment lower slip table fault detection and processing apparatus Download PDFInfo
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- CN113568359A CN113568359A CN202111015007.7A CN202111015007A CN113568359A CN 113568359 A CN113568359 A CN 113568359A CN 202111015007 A CN202111015007 A CN 202111015007A CN 113568359 A CN113568359 A CN 113568359A
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- frequency
- signal processor
- signal generator
- instrument landing
- modulation signal
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
Abstract
The invention provides a device for detecting and processing faults of a lower sliding table of instrument landing equipment, which comprises: the frequency measurement device comprises a control panel, an indicator light, a frequency meter, a modulation signal generator and a monitor, wherein the monitor is respectively connected with the control panel, the indicator light, the frequency meter and the modulation signal generator, the frequency meter is used for detecting whether a frequency synthesizer in instrument landing equipment has a fault or not, the frequency synthesizer generates a radio frequency base frequency signal, frequency data of the radio frequency base frequency signal is measured in real time by using a frequency measurement point of the frequency meter on the back of an equipment cabinet, whether the frequency data are normal or not is judged, and then whether the frequency synthesizer is normal or not is judged; the modulation signal generator comprises: the device comprises a DSP signal processor, a 16-bit buffer and a FLASH memory chip, wherein a main control chip of the DSP signal processor is connected with an external JTAG interface, the 16-bit buffer is connected with a data end of the DSP signal processor, and a power supply end of the 16-bit buffer is connected with a plurality of capacitors in parallel; the FLASH memory chip is connected with the DSP signal processor.
Description
Technical Field
The invention relates to the technical field of instrument landing equipment, in particular to a device for detecting and processing faults of a lower sliding table of instrument landing equipment.
Background
The instrument landing system is commonly called blind landing, is a standby short-distance navigation system, and is also a relatively widely used approach guidance system in civil aviation in the world at present. The instrument landing mainly comprises a ground system and an aerial receiving system, wherein the ground system comprises a course beacon platform, a gliding beacon platform and the like; the aerial receiving system consists of recording receiving equipment on the airplane
The instrument landing system is generally composed of a very high frequency course beacon, a ultrahigh frequency gliding beacon and a plurality of very high frequency pointers, wherein the gliding beacon is used for cooperating with the course beacon and providing gliding signals for approaching and landing airplanes. During actual flight, the instrument landing system glide platform may fail for some objective or subjective reasons.
Disclosure of Invention
The object of the present invention is to solve at least one of the technical drawbacks mentioned.
Therefore, the invention aims to provide a device for detecting and processing faults of a lower sliding table of instrument landing equipment.
In order to achieve the above object, an embodiment of the present invention provides a device for detecting and processing a fault of a lower sliding table of an instrument landing device, including: a control panel, an indicator light, a frequency meter, a modulation signal generator and a monitor, wherein the monitor is respectively connected with the control panel, the indicator light, the frequency meter and the modulation signal generator,
the control panel is used for displaying detected equipment parameters;
the indicator light is used for sending out a flashing prompt when a fault is detected;
the frequency meter is used for detecting whether a frequency synthesizer in the instrument landing equipment has a fault or not, the frequency synthesizer generates a radio frequency base frequency signal, frequency data of the radio frequency base frequency signal is measured in real time by using a frequency measuring point of the frequency meter on the back of an equipment cabinet, whether the frequency data are normal or not is judged, and then whether the frequency synthesizer is normal or not is judged;
the modulation signal generator is used for detecting whether the hybrid network has faults or not, processing signals generated when the modulation signal generator performs modulation synthesis on the frequency synthesizer to generate CSB signals capable of being detected, and judging whether the hybrid network has faults or not according to whether the power of the CSB signals meets a standard value or not;
wherein the modulation signal generator comprises: the device comprises a DSP signal processor, a 16-bit buffer and a FLASH memory chip, wherein a main control chip of the DSP signal processor is connected with an external JTAG interface, the 16-bit buffer is connected with a data end of the DSP signal processor, and a power supply end of the 16-bit buffer is connected with a plurality of capacitors in parallel; and the FLASH storage chip is connected with the DSP signal processor.
Further, the modulation signal generator also comprises an SRAM memory, and the SRAM memory is connected with the DSP signal processor.
Further, the indicator lamp includes: 8 passageway D type trigger, resistance module and a plurality of LED pilot lamp, wherein, 8 passageway D type trigger's input with the watch-dog is connected, 8 passageway D type trigger's output with one side of resistance module is connected, resistance module's opposite side respectively with a plurality of LED pilot lamps are connected, wherein, resistance module includes a plurality of resistances, and every resistance is connected with the positive pole of an LED pilot lamp, and the negative pole ground connection of LED pilot lamp.
Further, the frequency meter is realized by adopting a single chip microcomputer.
According to the device for detecting and processing the faults of the lower sliding table of the instrument landing equipment, the faults of a frequency synthesizer, a hybrid network and the like in the instrument landing equipment can be detected, the DSP signal processor is used as a main control chip to process signals, whether the faults occur or not is detected, and fault alarm prompt is carried out.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a structural diagram of a lower sliding table fault detection and processing device for an instrument landing device according to an embodiment of the invention;
FIG. 2 is a circuit diagram of a DSP signal processor according to an embodiment of the invention;
FIG. 3 is a circuit diagram of a 16-bit buffer according to an embodiment of the present invention;
FIG. 4 is a circuit diagram of a FLASH memory chip according to an embodiment of the present invention;
FIG. 5 is a circuit diagram of an SRAM memory according to an embodiment of the present invention;
fig. 6 is a circuit diagram of an indicator light according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1, the apparatus for detecting and processing a lower sliding table fault of an instrument landing device according to an embodiment of the present invention includes: control panel, pilot lamp, frequency meter, modulation signal generator, watch-dog, wherein, the watch-dog is connected with control panel, pilot lamp, frequency meter, modulation signal generator respectively. In the embodiment of the invention, the frequency meter is realized by adopting a single chip microcomputer.
Specifically, the control panel is used for displaying the detected device parameters. The indicator light is used for sending out a flashing prompt when a fault is detected.
The frequency meter is used for detecting whether a frequency synthesizer in the instrument landing equipment has a fault or not, the frequency synthesizer generates a radio frequency base frequency signal, frequency data of the radio frequency base frequency signal is measured in real time by using a frequency measuring point of the frequency meter on the back of the equipment cabinet, whether the frequency data are normal or not is judged, and then whether the frequency synthesizer is normal or not is judged.
The modulation signal generator is used for detecting whether the hybrid network has faults or not, processing signals generated when the frequency synthesizer performs modulation synthesis to generate CSB signals capable of being detected, and judging whether the hybrid network has faults or not according to whether the power of the CSB signals meets a standard value or not.
Wherein, the modulation signal generator adopts and includes: the device comprises a DSP signal processor, a 16-bit buffer and a FLASH memory chip, wherein a main control chip of the DSP signal processor is connected with an external JTAG interface, the 16-bit buffer is connected with a data end of the DSP signal processor, and a power supply end of the 16-bit buffer is connected with a plurality of capacitors in parallel; the FLASH memory chip is connected with the DSP signal processor. FIG. 2 is a circuit diagram of a DSP signal processor according to an embodiment of the invention. FIG. 3 is a circuit diagram of a 16-bit buffer according to an embodiment of the present invention. Fig. 4 is a circuit diagram of a FLASH memory chip according to an embodiment of the present invention.
In the embodiment of the present invention, the modulation signal generator further comprises an SRAM memory, and the SRAM memory is connected with the DSP signal processor, as shown in fig. 5.
In still another embodiment of the present invention, as shown in fig. 6, the indicator lamp includes: 8 passageway D type trigger, resistance module and a plurality of LED pilot lamp, wherein, 8 passageway D type trigger's input and watch-dog are connected, and 8 passageway D type trigger's output is connected with one side of resistance module, and the opposite side of resistance module is connected with a plurality of LED pilot lamps respectively, and wherein, the resistance module includes a plurality of resistances, and every resistance is connected with the positive pole of an LED pilot lamp, the negative pole ground connection of LED pilot lamp.
According to the device for detecting and processing the faults of the lower sliding table of the instrument landing equipment, the faults of a frequency synthesizer, a hybrid network and the like in the instrument landing equipment can be detected, the DSP signal processor is used as a main control chip to process signals, whether the faults occur or not is detected, and fault alarm prompt is carried out.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a be used for instrument landing equipment lower slip table fault detection and processing apparatus which characterized in that includes: a control panel, an indicator light, a frequency meter, a modulation signal generator and a monitor, wherein the monitor is respectively connected with the control panel, the indicator light, the frequency meter and the modulation signal generator,
the control panel is used for displaying detected equipment parameters;
the indicator light is used for sending out a flashing prompt when a fault is detected;
the frequency meter is used for detecting whether a frequency synthesizer in the instrument landing equipment has a fault or not, the frequency synthesizer generates a radio frequency base frequency signal, frequency data of the radio frequency base frequency signal is measured in real time by using a frequency measuring point of the frequency meter on the back of an equipment cabinet, whether the frequency data are normal or not is judged, and then whether the frequency synthesizer is normal or not is judged;
the modulation signal generator is used for detecting whether the hybrid network has faults or not, processing signals generated when the modulation signal generator performs modulation synthesis on the frequency synthesizer to generate CSB signals capable of being detected, and judging whether the hybrid network has faults or not according to whether the power of the CSB signals meets a standard value or not;
wherein the modulation signal generator comprises: the device comprises a DSP signal processor, a 16-bit buffer and a FLASH memory chip, wherein a main control chip of the DSP signal processor is connected with an external JTAG interface, the 16-bit buffer is connected with a data end of the DSP signal processor, and a power supply end of the 16-bit buffer is connected with a plurality of capacitors in parallel; and the FLASH storage chip is connected with the DSP signal processor.
2. The apparatus of claim 1, wherein the modulation signal generator further comprises an SRAM memory, and the SRAM memory is connected to the DSP signal processor.
3. The apparatus for instrument landing equipment glider fault detection and handling of claim 1, wherein the indicator light comprises: 8 passageway D type trigger, resistance module and a plurality of LED pilot lamp, wherein, 8 passageway D type trigger's input with the watch-dog is connected, 8 passageway D type trigger's output with one side of resistance module is connected, resistance module's opposite side respectively with a plurality of LED pilot lamps are connected, wherein, resistance module includes a plurality of resistances, and every resistance is connected with the positive pole of an LED pilot lamp, and the negative pole ground connection of LED pilot lamp.
4. The device for detecting and processing the faults of the lower sliding table of the instrument landing equipment as claimed in claim 1, wherein the frequency meter is implemented by a single chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111015007.7A CN113568359A (en) | 2021-08-31 | 2021-08-31 | Be used for instrument landing equipment lower slip table fault detection and processing apparatus |
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| CN202111015007.7A CN113568359A (en) | 2021-08-31 | 2021-08-31 | Be used for instrument landing equipment lower slip table fault detection and processing apparatus |
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| CN202111015007.7A Pending CN113568359A (en) | 2021-08-31 | 2021-08-31 | Be used for instrument landing equipment lower slip table fault detection and processing apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117872259A (en) * | 2024-03-13 | 2024-04-12 | 天津七六四通信导航技术有限公司 | Method and system for processing sliding monitoring signal in instrument landing system |
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2021
- 2021-08-31 CN CN202111015007.7A patent/CN113568359A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117872259A (en) * | 2024-03-13 | 2024-04-12 | 天津七六四通信导航技术有限公司 | Method and system for processing sliding monitoring signal in instrument landing system |
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