CN216898934U

CN216898934U - Control box for combined transceiver

Info

Publication number: CN216898934U
Application number: CN202220651956.8U
Authority: CN
Inventors: 王彬; 崔立昆; 杨磊; 周震
Original assignee: Beijing Andawell Aviation Equipment Co Ltd
Current assignee: Beijing Andawell Aviation Equipment Co Ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-07-05
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses a control box for a combined transceiver, which comprises a light guide plate, a quick-release nail, a front panel, a left side plate, an upper cover plate, a right side plate, a power panel, a digital plate, a lower cover plate, an adapter plate, a rear cover plate, an aerial plug, a power switch, a digital tube group, an LED display screen, a coder knob, a switching function key, a brightness function key, a sensitivity function key, a volume function key, an instrument function key, a self-checking function key and a Vol function key; the control box interacts with the combined transceiver through an ARI NC429 bus to complete the control of the combined transceiver by the control box. The control box can display the current compass and the current working frequency of navigation and the current setting values of other parameters in real time, has the functions of self-checking, panel backlight brightness, indicator light brightness adjustment and the like, is complete in function and simple to operate, and greatly reduces the operation difficulty.

Description

Control box for combined transceiver

Technical Field

The utility model relates to a transceiver control box technology, in particular to a control box for a combined transceiver.

Background

The combined navigation is taken as an advanced stage of modern navigation theory and technology development, overcomes the limitation of a single navigation system, combines multiple single systems with different functions, utilizes multiple information sources to supplement each other, and forms a navigation system with redundancy, and the navigation precision of the navigation system is higher than that of the single navigation system.

However, the combined navigation device has many working modes, and thus, in actual use, the combined navigation device lacks simple and convenient parameter setting, function control and display functions, integration is still insufficient, and the operation is complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a control box for a combined receiver, which is used for displaying and setting parameters of the combined receiver in real time, is used for communicating with the combined receiver by utilizing an ARINC429 bus to complete the control of the combined receiver, is simple and convenient to operate and convenient to use, solves the problems in the prior art, and can be widely applied to a comprehensive avionics system.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a control box for a combined transceiver comprises a light guide plate, a quick release nail, a front panel, a left side plate, an upper cover plate, a right side plate, a power panel, a digital plate, a lower cover plate, an adapter plate, a rear cover plate, a navigation plug, a power switch, a digital tube group, an LED display screen, a coder knob, a switching function key, a brightness function key, a sensitivity function key, a volume function key, an instrument function key, a self-checking function key and a volt function key; the quick-release nail is fixed on the front panel, the front face is fixed on the light guide plate, the left side plate and the right side plate are fixed on the front panel, the power panel and the digital panel are fixed on positioning threaded holes on the left side plate and the right side plate, the power panel and the digital panel share four threaded holes, one side of the aerial plug is welded on the adapter plate, the other side of the aerial plug is fixed on the rear cover plate, the adapter plate is fixed on the rear cover plate, the rear cover plate is fixed on the left side plate and the right side plate, and the upper cover plate and the lower cover plate are fixed on the front panel and the rear cover plate after sliding to a specific position through the tracks of the left side plate and the right side plate; the control box communicates with the combined receiver through the ARINC429 bus to complete the control of the combined receiver.

Furthermore, the physical characteristics of the ARINC429 bus meet the standard requirements of ARINC429-2004 'Mark 33 Digital Information Transmission System (DITS)', and data transmission is carried out through an SPI and ARINC429 interface HI3593 chip to complete data transmission of the bus.

Further, the power panel uses a power design scheme based on an LT4356 surge suppressor and an LTM8033 chip; an external direct current power supply supplies power, and common mode and differential mode interference is suppressed through a common mode inductor and an XY capacitor; an LT4356 chip is used for surge protection and overvoltage and overcurrent protection; and two paths of power supplies are output through two LTM8073 chips.

Further, the digital board is used for realizing data processing and communication functions with the ARINC429 bus.

Further, the adapter plate comprises 2 20-pin connectors, wherein one 20-pin connector is used for being connected with a power supply plate for adapter power supply, and the other 20-pin connector is used for being connected with a main control plate for power supply and signal transmission.

Further, the switching function key, the brightness function key, the sensitivity function key, the volume function key, the meter function key, the self-checking function key and the volt function key are all subjected to shake elimination processing, and the shake elimination processing comprises two modes of eliminating shake interference before signal input and reducing sampling frequency of a keyboard input port.

Further, the encoder knob is matched with the switching function key, the brightness function key, the sensitivity function key, the volume function key, the instrument function key, the self-checking function key and the Voll function key to adjust each parameter on the control box, the encoder knob is divided into an upper layer and a lower layer, each layer can generate two paths of encoding pulse signals with 90-degree phase difference, and the adjustment direction of the parameters can be judged through the lead and lag of the phase; a circuit of the encoder pulse enters the MCU module of the digital board through an optical coupler and a pulse shaping circuit, and the EQEP module in the MCU module of the digital board finishes the acquisition of the pulse, so as to adjust the parameters; the coded pulse data of each parameter is independently stored, and when a certain parameter is adjusted, the last parameter is automatically called out for adjustment.

Further, the nixie tube group displays active and standby compass parameters and active and standby navigation parameters through the LED display screen.

The utility model has the beneficial effects that:

the control box communicates with the combined receiver via the ARINC429 bus. And the frequency switching of the VOR/ILS, the setting of the MB high and low sensitivity and the volume setting of the navigation function are completed through the operation of the control box panel. The control box panel can display the current navigation working frequency and the standby working frequency in real time, and can also check the current setting values of other parameters through the function keys. In addition, the control box also has the functions of self-checking, panel backlight brightness and brightness adjustment of the indicator lamp. The multifunctional electric heating cooker is complete in function and simple to operate, and operation difficulty is greatly reduced.

Drawings

FIG. 1 is a schematic diagram (rear view) of the components of a control box for a combined transceiver of the present invention;

FIG. 2 is a schematic (elevational) view of the components of a control box for a combined transceiver according to the present invention;

FIG. 3 is a block diagram of the power strip design for the control box of the combined transceiver of the present invention;

FIG. 4 is a schematic diagram of a faceplate for a control box for a combined transceiver according to the present invention;

FIG. 5 is a key jitter reduction schematic for a control box of a combined transceiver according to the present invention;

fig. 6 is an RTL block diagram of the jitter cancellation principle of the control box for a combined transceiver of the present invention;

FIG. 7 is a flow chart of the operation of the control box for the combined transceiver of the present invention;

in the figure, 1-light guide plate, 2-quick release nail, 3-front panel, 4-left side plate, 5-upper cover plate, 6-right side plate, 7-power supply plate, 8-digital plate, 9-lower cover plate, 10-adapter plate, 11-rear cover plate, 12-navigation plug, 13-power switch, 14-digital tube group, 15-LED display screen, 16-encoder knob, 17-switching function key, 18-brightness function key, 19-sensitivity function key, 20-volume function key, 21-instrument function key, 22-self-checking function key and 23-volt function key.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

The technical solution of the utility model is as follows: a control box for a combined receiver comprises a light guide plate 1, a quick-release nail 2, a front panel 3, a left side plate 4, an upper cover plate 5, a right side plate 6, a power panel 7, a digital plate 8, a lower cover plate 9, an adapter plate 10, a rear cover plate 11, an air plug 12, a power switch 13, a digital tube group 14, an LED display screen 15, an encoder knob 16, a switching function key 17, a brightness function key 18, a sensitivity function key 19, a volume function key 20, an instrument function key 21, a self-checking function key 22 and a Vol function key 23. The combined receiver is characterized in that the ARINC429 bus is communicated with the combined receiver, and various functions of the combined receiver can be controlled by operating the control box panel, so that the operation difficulty is greatly reduced.

As shown in fig. 1 and fig. 2, the quick release nails 2 are fixed on the front panel 3, the front panel 3 is fixed on the light guide plate 1 by screws, the left side plate 4 and the right side plate 6 are fixed on the front panel 3 by screws, the power supply plate 7 and the digital plate 8 are fixed on the positioning threaded holes on the left side plate 4 and the right side plate 6 by screws, the power panel 7 and the digital board 8 share four threaded holes, one side of the aerial plug 12 is welded on the adapter plate 10, the other side is fixed on the rear cover plate 11 by using screws and self-locking nuts, the adapter plate 10 is fixed on the rear cover plate 11, the rear cover plate 11 is fixed on the left side plate 4 and the right side plate 6 by screws, the upper cover plate 5 and the lower cover plate 9 slide to a specific position through the rails of the left side plate 4 and the right side plate 6 and are fixed on the front panel 3 and the rear cover plate 11 by screws.

The ARINC429 bus has physical characteristics that meet the requirements of ARINC429-2004 Mark 33 Digital Information Transmission Systems (DITS) standards. And data transmission is carried out through the SPI and ARINC429 interface HI3593 chip, and data transmission of the bus is completed.

The power board 7 uses a power design scheme based on an LT4356 surge suppressor and an LTM8033 chip. And an external +28V direct-current power supply supplies power, and common-mode interference and differential-mode interference are suppressed through a common-mode inductor and an XY capacitor. An LT4356 chip is used for surge protection and overvoltage and overcurrent protection. Two paths of power supplies of +5V and +3.3V are output through two LTM8073 chips.

The digital board 8 implements data processing and communication functions with the ARINC429 bus. The MCU module of the digital board 8 selects an STM32F407VET6 chip of ST company as a processing chip, and the STM32F407VET6 chip is a microprocessing chip based on a Cortex-M4 kernel with the working frequency of 168 MHz. The communication with the ARINC429 bus is completed by using a HI3593 chip.

The adapter board 10 is composed of 2 20-pin connectors and the aviation plug 12. One 20-pin connector is used for connecting the power supply board 7 for switching power supply, and the other 20-pin connector is used for connecting the digital board 8 for power supply and signal transmission. The aviation plug 12 is used for being connected to the outside, inputting a +28V power supply and realizing communication with an Arinc429 bus.

The light guide plate 1 mainly comprises the power switch 13, the nixie tube group 14, the LED display screen 15, the encoder knob 16, the switching function key 17, the brightness function key 18, the sensitivity function key 19, the volume function key 20, the meter function key 21, the self-checking function key 22 and the volt function key 23.

The switching function key 17, the brightness function key 18, the sensitivity function key 19, the volume function key 20, the meter function key 21, the self-checking function key 22 and the volt function key 23 are all subjected to jitter elimination, and the jitter elimination comprises two modes of eliminating jitter interference before signal input and reducing sampling frequency of a keyboard input port for jitter elimination.

The self-checking function key 22 is used for self-checking the control box, the key is provided with an indicator light, the indicator light is normally on in the self-checking process, the self-checking is finished, and the indicator light is turned off. And the control box cannot be prohibited from setting parameters in the self-checking process.

The brightness function key 18 cooperates with the encoder knob 16 to achieve brightness adjustment of the backlight, the nixie tube set 14 and the key indicator light.

The volume function key 20, in cooperation with the encoder knob 16, enables adjustment of the audio volume between 9 positions.

The volt function key 23 is used for indicating the volt frequency state in the nonparametric regulation state, the working frequency can be regulated by matching with the encoder knob 16, and the working frequency can be set by matching with the switching function key 17.

The instrument function key 21 is used for indicating the frequency state of the instrument in a nonparametric regulation state, the working frequency can be regulated by matching with the encoder knob 16, and the working frequency can be set by matching with the switching function key 17.

The sensitivity function key 19 can control the sensitivity to switch between two modes, "high" and "low".

The switch function key 17 can control the parameter to switch between the standby display frame and the main display frame.

The encoder knob 16, the switching function key 17, the brightness function key 18, the sensitivity function key 19, the volume function key 20, the meter function key 21, the self-checking function key 22 and the Vol function key 23 are matched to adjust various parameters on the control box, the encoder knob 16 is divided into an upper layer and a lower layer, each layer can generate two paths of encoding pulse signals with 90-degree phase difference, and the adjustment direction of the parameters can be judged through the lead and lag of the phase. The circuit of the encoder pulse enters the MCU module of the digital board 8 through the optical coupler and the pulse shaping circuit, and the EQEP module in the MCU module of the digital board 8 finishes the collection of the pulse, thereby adjusting the parameters. The coded pulse data of each parameter is independently stored, and when a certain parameter is adjusted, the last parameter is automatically called out for adjustment.

The nixie tube group 14 displays active and standby compass parameters and active and standby navigation parameters through the LED display screen 15; the power switch 13 is used for controlling the power on-off condition of the control box.

The specific embodiment is as follows:

1. operating mode selection

Pressing the Vol or meter button switches 2 working modes.

2. Frequency and parameter setting

Through the keys and the knob, the Vol frequency, the instrument frequency and the sensitivity can be set. When the volr frequency is set, the standby display frame displays the current volr frequency setting value, the inner and outer ring knobs are adjusted to set the volr frequency value (numerical flicker), and the display frequency values of the main display frame and the standby display frame are interchanged by pressing "← →" to finish parameter issuing. And stopping setting the parameters for more than 5 seconds, and automatically switching the standby display frame back to the current mode preset frequency value without sending the parameters.

The sensitivity button is pressed to switch between high and low sensitivity, and the corresponding high or low will light up.

3. Self-check and brightness adjustment

And pressing a self-checking button to enable the equipment to enter a self-checking state, wherein after about 15 seconds, the self-checking is finished, and the equipment automatically returns to a state before the self-checking.

The brightness adjustment (nixie tube, indicator light and backlight) of the panel can be carried out by pressing the brightness button, the current brightness value (1-15 adjustable) is displayed by the navigation standby display frame, and the brightness parameter setting is carried out by rotating the inner ring knob. By adopting the technical scheme disclosed by the utility model, the following beneficial effects are obtained:

the control box for the combined transceiver of the present invention communicates with the combined receiver via the ARINC429 bus. And the VOR/ILS frequency switching, the MB high-low sensitivity setting and the volume setting of the navigation function are completed by operating the control box panel. The control box panel can display the current navigation working frequency and the standby working frequency in real time, and can also check the current setting values of other parameters through various function keys. In addition, the control box also has the functions of self-checking, panel backlight brightness and brightness adjustment of the indicator lamp. The multifunctional electric heating cooker is complete in function and simple to operate, and operation difficulty is greatly reduced.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements should also be considered within the scope of the present invention.

Claims

1. A control box for a combined transceiver is characterized by comprising a light guide plate, a quick release nail, a front panel, a left side plate, an upper cover plate, a right side plate, a power panel, a digital plate, a lower cover plate, a transfer plate, a rear cover plate, a navigation plug, a power switch, a digital tube group, an LED display screen, a coder knob, a switching function key, a brightness function key, a sensitivity function key, a volume function key, an instrument function key, a self-checking function key and a Vol function key; the quick-release nail is fixed on the front panel, the front panel is fixed on the light guide plate, the left side plate and the right side plate are fixed on the front panel, the power panel and the digital panel are fixed on positioning threaded holes on the left side plate and the right side plate, the power panel and the digital panel share four threaded holes, one side of the aerial plug is welded on the adapter plate, the other side of the aerial plug is fixed on the rear cover plate, the adapter plate is fixed on the rear cover plate, the rear cover plate is fixed on the left side plate and the right side plate, and the upper cover plate and the lower cover plate are fixed on the front panel and the rear cover plate after sliding to a specific position through the tracks of the left side plate and the right side plate; the control box communicates with the combined receiver through the ARINC429 bus to complete the control of the combined receiver.

2. A control box for a combined transceiver as claimed in claim 1, wherein the ARINC429 bus has physical characteristics meeting standards requirements of ARINC429-2004 "Mark 33 Digital Information Transmission System (DITS)" for data transmission over the bus via the SPI HI3593 chip interface with ARINC 429.

3. The control box for a combined transceiver of claim 1, wherein the power board uses a power design based on LT4356 surge suppressor and LTM8033 chip; an external direct current power supply supplies power, and common mode and differential mode interference is suppressed through a common mode inductor and an XY capacitor; an LT4356 chip is used for surge protection and overvoltage and overcurrent protection; and two paths of power supplies are output through two LTM8073 chips.

4. A control box for a combined transceiver, as set forth in claim 1, wherein said digital board is adapted to perform data processing and communication functions with said ARINC429 bus.

5. The control box for a combined transceiver of claim 1, wherein the adapter board comprises 2 20-pin connectors, one 20-pin connector is used for connecting a power supply board to supply power in a switching mode, and the other 20-pin connector is used for connecting a main control board to supply power and transmit signals.

6. The control box for a combined transceiver of claim 1, wherein the switch function key, the brightness function key, the sensitivity function key, the volume function key, the meter function key, the self-test function key, and the volt function key are all subjected to a debounce process including both a debounce interference elimination before a signal input and a debounce process by lowering a sampling frequency of a keyboard input port.

7. The control box for the combined transceiver as claimed in claim 1, wherein the encoder knob cooperates with the switch function key, the brightness function key, the sensitivity function key, the volume function key, the meter function key, the self-checking function key and the volt function key to adjust various parameters of the control box, the encoder knob is divided into an upper layer and a lower layer, each layer can generate two paths of encoded pulse signals with 90 degrees phase difference, and the adjustment direction of the parameters can be determined by the lead and lag of the phase; a circuit of the encoder pulse enters the MCU module of the digital board through an optical coupler and a pulse shaping circuit, and the EQEP module in the MCU module of the digital board finishes the acquisition of the pulse, so as to adjust the parameters; the coded pulse data of each parameter is independently stored, and when a certain parameter is adjusted, the last parameter is automatically called out for adjustment.

8. The control box for a combined transceiver of claim 1, wherein the nixie tube set displays active compass parameters and active navigation parameters via the LED display screen.