CN216117820U - Handheld heading system detection device - Google Patents
Handheld heading system detection device Download PDFInfo
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- CN216117820U CN216117820U CN202121322150.6U CN202121322150U CN216117820U CN 216117820 U CN216117820 U CN 216117820U CN 202121322150 U CN202121322150 U CN 202121322150U CN 216117820 U CN216117820 U CN 216117820U
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Abstract
The utility model provides a handheld course system detection device, which comprises a signal interface circuit, a signal processing circuit and a signal processing circuit, wherein the signal interface circuit is used for being connected with an external course system electric signal and receiving an analog course signal output by a course system; the angle digital converter is in electrical signal connection with the signal interface circuit, receives the analog quantity course signal and converts the analog quantity course signal into a digital quantity course signal; and the main controller is in electrical signal connection with the angle digital converter, receives the digital quantity course signal sent by the angle digital converter, tests and processes the digital quantity course signal and outputs a checking result. The angle digital converter and the main controller which are highly integrated are adopted, the angle digital converter and the main controller are used as core components of the handheld course system detection device, and compared with a mechanical synchronous signal auto-scaler, the angle digital converter and the main controller have the advantages of smaller size, higher portability, capability of being brought into a cab to detect a course system, and more convenience in operation.
Description
Technical Field
The utility model relates to the field of detection equipment, in particular to a handheld heading system detection device.
Background
At present, when a helicopter and an airplane are regularly checked, in-situ function and sexual inspection is carried out on the helicopter course system. In the prior art, a low-power follow-up system is adopted for measuring a heading signal in an equipment heading system detector, and a mechanical synchronous signal synchrotron is taken as a core. There are defects in the detector.
The small power servo system composed of mechanical synchronizer is composed of synchronous signal transmitter, synchronous signal receiver, maladjustment signal amplifier, servo motor and speed reducer, and the volume of said detector is 450X 350X 280mm, and its volume is large. The detector is used for in-situ testing of a course system, the cab space is limited, the detector can only be placed at the cabin door of the cab, and the operation of the door on the machine, the instrument on the machine and the indication of the detector are required to be observed in the inspection process, so that the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to overcome the disadvantages of the prior art, an object of the present invention is to provide a handheld heading system detecting device, so as to solve the technical problem that the operation of the heading system detecting device in the prior art is inconvenient due to the large size.
One of the purposes of the utility model is realized by adopting the following technical scheme:
a handheld heading system detection device, the handheld heading system detection device comprising:
the signal interface circuit is used for being connected with an electric signal of an external course system and receiving an analog course signal output by the course system;
the angle digital converter is in electrical signal connection with the signal interface circuit, receives the analog quantity course signal and converts the analog quantity course signal into a digital quantity course signal;
and the main controller is in electrical signal connection with the angle digital converter, receives the digital quantity course signal sent by the angle digital converter, tests and processes the digital quantity course signal and outputs a checking result.
Optionally, the handheld heading system detector further includes a control circuit for identifying a working state, the control circuit is in electrical signal connection with the signal interface circuit and is configured to receive and identify a working state signal output by an external heading system to the signal interface circuit, and the control circuit is further in electrical signal connection with the main controller and sends an identification result to the main controller.
Optionally, the handheld heading system detector further includes an interaction module for human-computer interaction;
the main controller is in electric signal connection with the interaction module, and the main controller sends a checking result to the interaction module.
Optionally, the interaction module is a serial display screen.
Optionally, the serial port display screen is a touch serial port display screen.
Optionally, the handheld heading system detecting device further comprises a housing, and the housing comprises a handheld end and a display end;
the serial port display screen is arranged at the display end.
Optionally, the angle digitizer comprises:
the control transformer is in electric signal connection with the external course system and is used for receiving the analog quantity course signal and transforming the received analog quantity course signal;
the error amplifier is in electrical signal connection with the control transformer and is used for amplifying the analog quantity course signal;
the phase-sensitive regulator is electrically connected with the error amplifier and is used for carrying out phase-sensitive rectification on the analog quantity course signal;
the voltage-controlled oscillator is electrically connected with the phase-sensitive regulator and outputs a frequency signal;
the input end of the integrator is electrically connected with the phase-sensitive regulator, and the output end of the integrator is electrically connected with the voltage-controlled oscillator;
the reversible counter is electrically connected with the voltage-controlled oscillator and is used for counting frequency signals;
and the output latch is connected with the electric signal of the reversible counter and used for converting the frequency signal into a digital signal and outputting a digital quantity heading signal.
Optionally, the handheld heading system detection device further includes a power supply circuit electrically connected to the signal interface circuit, the angle digitizer, and the main controller to supply power to the signal interface circuit, the angle digitizer, and the main controller.
Optionally, the handheld heading system detection device further includes a phase sequence identification circuit, and the phase sequence identification circuit is in electrical signal connection with the power circuit and is used for performing phase sequence detection on three-phase alternating current input into the power circuit.
Optionally, the master controller is an STM32 microcontroller.
Compared with the prior art, the utility model has the beneficial effects that:
in the handheld course system detection device, the signal interface circuit receives an analog quantity course signal, the angle digital converter converts the analog quantity course signal into a digital quantity course signal which can be recognized by the main controller, and finally the digital quantity course signal is tested and processed by the main controller, so that a detection result is obtained.
Drawings
FIG. 1 is a schematic block diagram of a handheld heading system detection device according to the present invention;
FIG. 2 is a schematic view of the working principle of the handheld heading system detecting device of the present invention;
FIG. 3 is a schematic circuit diagram of an angle digitizer in the handheld heading system detecting device according to the present invention;
FIG. 4 is a schematic diagram of a signal acquisition and testing site in the handheld heading system detecting device according to the present invention;
FIG. 5 is a schematic circuit diagram of a control circuit in the handheld heading system detecting device according to the present invention;
FIG. 6 is a structural diagram of a housing of the hand-held heading system detecting device of the present invention.
In the figure:
1. a signal interface circuit;
2. an angle digitizer; 21. controlling the transformer; 22. an error amplifier; 23. a phase sensitive regulator; 24. a voltage controlled oscillator; 25. an integrator; 26. an up-down counter; 27. an output latch;
3. a main controller; 4. a control circuit; 5. an interaction module; 51. a serial port display screen; 6. a housing; 61. a handheld end; 62. a display end; 7. a power supply circuit; 8. a phase sequence identification circuit;
9. a course system; 91. a magnetic correction control module; 92. a half compass control module; 93. and an astronomical correction control module.
Detailed Description
The present invention will be further described with reference to fig. 1 to 6 and the detailed description thereof, and it should be noted that, in the case of no conflict, any combination between the embodiments or technical features described below may form a new embodiment.
As shown in fig. 1 and fig. 2, the present invention provides a handheld heading system detecting device, which includes a signal interface circuit 1, an angle digitizer 2 and a main controller 3. The signal interface circuit 1 is used for being connected with an external heading system 9 through an electric signal, and the signal interface circuit 1 receives an analog heading signal output by the heading system 9. The angle digital converter 2 is in electric signal connection with the signal interface circuit 1, receives the analog quantity heading signal sent from the signal interface circuit 1, and converts the analog quantity heading signal into a digital quantity heading signal which can be recognized by the main controller 3. The main controller 3 is in electric signal connection with the angle digital converter 2, the main controller 3 receives the digital quantity course signal sent by the angle digital converter 2, and the main controller 3 tests and processes the digital quantity course signal so as to obtain an inspection result, and when a user needs to use the inspection result, the main controller 3 can also output the inspection result. In the embodiment, the signal interface circuit 1 receives an analog quantity course signal, the angle digital converter 2 converts the analog quantity course signal into a digital quantity course signal which can be identified by the main controller 3, and finally the digital quantity course signal is tested and processed by the main controller 3, so that a checking result is obtained.
In addition, the angle digital converter 2 and the main controller 3 are used as core components, the angle digital converter 2 has higher course signal acquisition precision, the main controller 3 is used for testing the course signal, the testing precision is higher, and the detection precision is improved.
In some embodiments, the master controller 3 is an STM32 microcontroller process.
As shown in fig. 1, fig. 2 and fig. 4, the heading system 9 has a plurality of modules for assisting navigation or positioning, such as a magnetic correction control module 91, a semi-compass control module 92 and an astronomical correction control module 93, and correspondingly has a plurality of operating states, such as a semi-compass operating state, a magnetic correction operating state and an astronomical correction operating state. When the heading system 9 is in different working states, different working state signals are output, for example, in a half-compass working state, the half-compass control module 92 outputs a half-compass signal; in the magnetic correction operating state, the magnetic correction control module 91 outputs a fast correction signal; in the astronomical correction operation state, the astronomical correction control module 93 outputs an astronomical correction signal. Therefore, when the heading system 9 is checked, the heading signal is checked, and the different working states are identified, so that the working state signal is processed to obtain the detection result. In some embodiments, in order to identify different working states, the handheld heading system 9 detector further comprises a control circuit 4 for identifying the working states, the control circuit 4 is in electrical signal connection with the signal interface circuit 1 and is used for receiving and identifying working state signals output by the external heading system 9 to the signal interface circuit 1, and the control circuit 4 is also in electrical signal connection with the main controller 3 and sends an identification result to the main controller 3. By arranging the control circuit 4, when receiving signals under different working states, the control circuit 4 can switch lines and identify different working state signals, thereby identifying the working state of the course system 9, and outputting a corresponding identification result to the main controller 3 after processing. The main controller 3 detects the course signal and the working state signal according to the received working state signal, thereby realizing the detection of different working states.
Specifically, the main operating state of the heading system 9 is the gyro-compass operating state, which ensures the necessary accuracy of the flight direction by the stability of the heading gyro. The other working state is a magnetic correction working state, and the magnetic heading gyro is corrected by outputting a magnetic heading signal corresponding to the geomagnetic field through the inductive magnetic sensor. The gyro mechanism in the heading system 9 stabilizes the heading using a heading gyro and outputs a heading signal. After receiving the magnetic correction signal, the heading measured by the magnetic sensor can be stabilized, the magnetic correction work is disconnected, and when the magnetic sensor works in a semi-compass state, the azimuth can be kept stable relative to the large circle plane so as to measure the large circle heading.
The working state of the semi-compass of the heading measuring system 9 mainly tests the heading angle and the angle drift amount output by the semi-compass control module 92. The heading angle and the magnetic correction operating speed output by the magnetic correction control module 91 need to be tested in the magnetic correction operating state. The course angle is collected and converted into a digital quantity course signal by the angle digital converter 2, and the digital quantity course signal is tested and processed by the main controller 3. The main controller 3 receives the identification result of the control circuit 4, and switches the detection mode or the detection circuit, thereby detecting the magnetic correction operating speed and the angle drift amount. And finally displayed by the serial display screen 51 as follows. The schematic block diagram is shown in fig. 6.
As for the control circuit 4, one embodiment is shown in fig. 5, in the figure, three dashed boxes are three identification circuits, the control circuit 4 has a switch K3, a switch K4 and a correspondingly arranged electromagnetic relay, and the identification circuits are switched by the switch K3, the switch K4 and the electromagnetic relay. The control circuit 4 recognizes the different operation state signals by the aforementioned three recognition circuits, and outputs the recognition result about the operation state of the half compass through the interface PB1, the recognition result about the magnetic correction state through the interface PB2, and the recognition result about the astronomical correction operation state through the interface PB 3.
In some embodiments, as shown in FIG. 1, the handheld heading system 9 detector further includes an interaction module 5 for human-computer interaction.
The main controller 3 is in electric signal connection with the interaction module 5, and the main controller 3 sends the checking result to the interaction module 5. The test result is output or displayed through the interactive module 5, and the operation instruction is input through the interactive module 5 so as to control the handheld heading system detection device to work, thereby improving the use convenience.
In some embodiments, the interactive module 5 includes a serial display screen 51, a mouse, a keyboard, and the like. The serial display screen 51 may be a touch serial display screen or a non-touch serial display screen, and the interactive interface is operated through the interactive module 5. The keyboard may be a keyboard provided by the user, for example, an entity keyboard is provided at the handheld end 61, a virtual keyboard in the touch serial display screen may also be provided, and an external interface keyboard may also be provided.
In some embodiments, as shown in fig. 6, the handheld heading system detection device further comprises a housing 6, the housing 6 comprising a handheld end 61 and a display end 62. The serial display screen 51 is arranged at the display end 62. Casing 6 sets up handheld end 61 and display end 62, and handheld end 61 is convenient for hold, increases the convenience of using, and display end 62 shows the test result, can look over the inspection result directly perceivedly, and maintenance personal is mutual, detects, maintains.
In some embodiments, as shown in fig. 3, the angle digitizer 2 includes a control transformer 21, an error amplifier 22, a phase sensitive regulator 23, a voltage controlled oscillator 24, an integrator 25, and an output latch 27. The control transformer 21 is in electrical signal connection with the external heading system 9, and is used for receiving the heading signal and transforming the received heading signal. The error amplifier 22 is electrically connected to the control transformer 21 for amplifying the heading signal. The phase sensitive regulator 23 is electrically connected with the error amplifier 22 and is used for carrying out phase sensitive rectification on the heading signal. The voltage-controlled oscillator 24 is electrically connected to the phase-sensitive regulator 23 and outputs a frequency signal. The input of the integrator 25 is electrically connected to the phase sensitive regulator 23 and the output of the integrator 25 is electrically connected to the voltage controlled oscillator 24. The up-down counter 26 is electrically connected to the voltage-controlled oscillator 24, and counts the frequency signal. The output latch 27 is electrically connected to the up-down counter 26 for converting the frequency signal into a digital heading signal and outputting the digital heading signal. The analog quantity course signal is collected through the angle digital converter 2, and the analog quantity course signal is converted into a serial communication digital signal, so that the main controller 3 can conveniently recognize and test.
In some embodiments, as shown in fig. 1, the handheld heading system detecting device further includes a power circuit 7, and the power circuit 7 is electrically connected to the signal interface circuit 1, the angle digitizer 2, and the main controller 3 to supply power to the signal interface circuit 1, the angle digitizer 2, and the main controller 3. The power circuit 7 is used for providing secondary power for the handheld heading system detection device.
In some embodiments, as shown in fig. 1, the handheld heading system detecting device further includes a phase sequence identifying circuit 8, and the phase sequence identifying circuit 8 is electrically connected to the power circuit 7 for detecting the phase sequence of the three-phase alternating current input to the power circuit 7.
On the whole, the handheld heading system detection device takes an ARM-based 32-bit micro-main controller 3 as a control core, acquires a heading signal output by a heading system 9 by using a high-precision 12-bit angle digital converter 2 chip, and finishes performance test on the heading system 9 by integrating liquid crystal display driving, picture word bank storage, graphic user interface operation, clock chip display and various configuration controls into a serial display terminal. The handheld heading system detection device is a handheld digital display terminal, has smaller volume and higher reliability and electromagnetic compatibility, and is convenient for interaction, detection and maintenance of maintenance personnel due to the design of the detector.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. A handheld heading system detection device, the handheld heading system detection device comprising:
the signal interface circuit is used for being connected with an electric signal of an external course system and receiving an analog course signal output by the course system;
the angle digital converter is in electrical signal connection with the signal interface circuit, receives the analog quantity course signal and converts the analog quantity course signal into a digital quantity course signal;
and the main controller is in electrical signal connection with the angle digital converter, receives the digital quantity course signal sent by the angle digital converter, tests and processes the digital quantity course signal and outputs a checking result.
2. The hand-held heading system detection device of claim 1, wherein: the handheld heading system detector also comprises a control circuit used for identifying the working state, the control circuit is in electric signal connection with the signal interface circuit and is used for receiving and identifying the working state signal output by the external heading system to the signal interface circuit, and the control circuit is also in electric signal connection with the main controller and sends the identification result to the main controller.
3. The hand-held heading system detection device of claim 1, wherein: the handheld heading system detector also comprises an interaction module for man-machine interaction;
the main controller is in electric signal connection with the interaction module, and the main controller sends a checking result to the interaction module.
4. The hand-held heading system detection device of claim 3, wherein: the interactive module is a serial port display screen.
5. The hand-held heading system detection device of claim 4, wherein: the serial port display screen is a touch serial port display screen.
6. The hand-held heading system detection device of claim 4, wherein: the handheld heading system detection device further comprises a shell, wherein the shell comprises a handheld end and a display end;
the serial port display screen is arranged at the display end.
7. The hand-held heading system detection device of claim 2, wherein: the angle digitizer includes:
the control transformer is in electric signal connection with the external course system and is used for receiving the analog quantity course signal and transforming the received analog quantity course signal;
the error amplifier is in electrical signal connection with the control transformer and is used for amplifying the analog quantity course signal;
the phase-sensitive regulator is electrically connected with the error amplifier and is used for carrying out phase-sensitive rectification on the analog quantity course signal;
the voltage-controlled oscillator is electrically connected with the phase-sensitive regulator and outputs a frequency signal;
the input end of the integrator is electrically connected with the phase-sensitive regulator, and the output end of the integrator is electrically connected with the voltage-controlled oscillator;
the reversible counter is electrically connected with the voltage-controlled oscillator and is used for counting frequency signals;
and the output latch is connected with the electric signal of the reversible counter and used for converting the frequency signal into a digital signal and outputting a digital quantity heading signal.
8. The hand-held heading system detection device of claim 1, wherein: the handheld heading system detection device further comprises a power circuit, and the power circuit is in electric signal connection with the signal interface circuit, the angle digital converter and the main controller so as to supply power to the signal interface circuit, the angle digital converter and the main controller.
9. The hand-held heading system detection device of claim 8, wherein: the handheld heading system detection device further comprises a phase sequence identification circuit, and the phase sequence identification circuit is in electric signal connection with the power circuit and is used for detecting the phase sequence of the three-phase alternating current input into the power circuit.
10. The hand-held heading system detection device of claim 1, wherein: the master controller is processed by an STM32 microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121322150.6U CN216117820U (en) | 2021-06-11 | 2021-06-11 | Handheld heading system detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121322150.6U CN216117820U (en) | 2021-06-11 | 2021-06-11 | Handheld heading system detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216117820U true CN216117820U (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121322150.6U Active CN216117820U (en) | 2021-06-11 | 2021-06-11 | Handheld heading system detection device |
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| CN (1) | CN216117820U (en) |
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2021
- 2021-06-11 CN CN202121322150.6U patent/CN216117820U/en active Active
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