CN112235914A - Display control circuit with lamp for cabin switch plate - Google Patents

Display control circuit with lamp for cabin switch plate Download PDF

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Publication number
CN112235914A
CN112235914A CN202011107424.XA CN202011107424A CN112235914A CN 112235914 A CN112235914 A CN 112235914A CN 202011107424 A CN202011107424 A CN 202011107424A CN 112235914 A CN112235914 A CN 112235914A
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China
Prior art keywords
lamp
display
display control
control circuit
circuit
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CN202011107424.XA
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CN112235914B (en
Inventor
贾小红
余荣良
曾庆吉
胡招才
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China Helicopter Research and Development Institute
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China Helicopter Research and Development Institute
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Priority to CN202011107424.XA priority Critical patent/CN112235914B/en
Publication of CN112235914A publication Critical patent/CN112235914A/en
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20Responsive to malfunctions or to light source life; for protection

Abstract

The invention discloses a display control circuit with a lamp for a cockpit switch board, which comprises a comprehensive display mode display control circuit, a display control circuit and a display control circuit, wherein the comprehensive display mode display control circuit is used for electrifying a comprehensive display and displaying the state of the comprehensive display; the left display mode display control circuit is used for electrifying the left comprehensive display and displaying the state; the fuel pump display control circuit is used for electrifying the fuel pump and displaying the state; the brake display control circuit is used for electrifying the brake and displaying the state; and the airspeed tube heating display control circuit is used for heating, electrifying and displaying the airspeed tube. The circuit can meet the requirement of night vision compatibility without influencing the function of the lighting system; the whole lamp area self-checking function that shows can carry out self-checking or brightness control before flying to all show lamps, ensures that system state and function display exactness.

Description

Display control circuit with lamp for cabin switch plate
Technical Field
The invention belongs to the field of design of helicopter cockpit display control circuits, and particularly relates to a helicopter cockpit electric control switch plate with a lamp display control circuit.
Background
The existing domestic helicopter has obvious defects on the design scheme of a cockpit switch board, is not attractive as a whole, is limited by the positions of switches on the sides, and is easy to mistakenly operate peripheral switches when switching on and off in the middle of operation; secondly, characters are easily shielded by a switch handle, the current switch position is not visual, and the characters need to be interpreted by a pilot, and particularly, when the pilot navigates at night, the position of the switch handle is not obvious, as shown in fig. 2, great risk is brought to the pilot; therefore, the design idea of the switch board is changed, the man-machine effect is improved, the misoperation is reduced, and the display control design of the cabin is optimized.
Disclosure of Invention
The invention aims to provide a cockpit switch plate with a lamp display control circuit, which improves the man-machine effect, reduces misoperation and optimizes cockpit display control design.
In order to realize the task, the invention adopts the following technical scheme:
a cockpit switch board strip lamp shows accuse circuit includes: the comprehensive display mode display control circuit is used for electrifying the comprehensive display and displaying the state; wherein: the comprehensive display mode display control circuit comprises:
the display device comprises a first display control circuit and a first working circuit, wherein one end of the first display control circuit is connected with a brightness adjusting end, a brightness adjuster on a brightness adjusting termination machine, and the other end of the first display control circuit is provided with a first single-pole double-throw switch K1; the first single pole double throw switch K1 controls the first and second light signal circuits: the first lamp signal circuit comprises two lamp detection circuits, and the upper ends of the two lamp detection circuits are connected through a switching lead NORM; an anti-reverse diode D1 is arranged on one route, the lower end of the anti-reverse diode D1 is connected with a lamp inspection end, and the lamp inspection end is connected with a self-checking button on an alarm panel of an on-board alarm system; the other route is provided with a first display control lamp D01, the lower end of which is connected with a power ground; the second lamp signal circuit comprises two lamp detection circuits, and the upper ends of the two lamp detection circuits are connected through a switching lead COMP; an anti-reverse diode D2 is arranged on one route, and the lower end of the anti-reverse diode D2 is connected with a lamp detection end; the other route is provided with a second display control lamp D02, the lower end of which is connected with a power ground; the first single-pole double-throw switch K1 is used for switching on a switching lead NORM or a switching lead COMP; the first working circuit is provided with two paths which are respectively used for electrifying two sets of comprehensive displays on the computer; the switch of the first working circuit is linked with the first single-pole double-throw switch K1, and the first single-pole double-throw switch K1 is linked with a first lighted indicating button on a cabin switch board;
further, the first lighted indication button is linked to have two gears, the first and second lighted indication lamps D01 and D02 are integrated in the first lighted indication button, and the working state is judged by observing the color of the first lighted indication button.
Further, the comprehensive display mode display control circuit has three states during operation:
firstly, when the lamp inspection is needed, a self-checking button on an alarm panel is pressed to provide 28V voltage at a lamp inspection end, at the moment, the current is divided into two paths from the lamp inspection end, and one path enters a power ground after passing through a diode D1 and a first display control lamp D01; the other path is connected with a power ground after passing through a diode D2 and a second display control lamp D02; therefore, lamp inspection work is carried out, and whether the two display control lamps work normally is checked;
secondly, when the integrated display works normally, the first single-pole double-throw switch K1 is connected with a switching lead NORM through a first adjusting first lighted indicating button, so that the switch of a first working circuit is also conducted, and the integrated display works on electricity; at the moment, the voltage in the comprehensive display mode display control circuit is provided by a brightness regulator on the computer, and the current enters a power ground from the circuit regulator, the brightness adjusting end, the switching lead NORM and the first display control lamp D01, so that when the first working circuit is conducted, the first display control lamp D01 is also lightened to play a role in work indication;
thirdly, when the integrated display does not work, the first single-pole double-throw switch K1 is connected with a switching lead COMP, at the moment, the first display and control lamp D01 is powered off and is turned off, the second display and control lamp D02 is powered on by a bright-tone end, the switch linked with the first working circuit is also turned off when the first single-pole double-throw switch K1 is switched, the integrated display does not work and is powered off, and at the moment, the second display and control lamp D02 indicates the state that the integrated display is not powered on.
Further, by controlling and adjusting the brightness adjuster, the current passing through the first display and control lamp D01 can be changed, so as to adjust the brightness of the first display and control lamp D01 and the second display and control lamp D02 to meet the working requirement.
Further, the cockpit switch board band lamp shows control circuit still includes: the left display mode display control circuit is used for electrifying the left comprehensive display and displaying the state;
the left side shows mode display control circuit includes: the second display control circuit and the second working circuit, wherein one end of the second display control circuit is connected with the bright-tuning end, and the other end of the second display control circuit is provided with a second single-pole double-throw switch K2; the second single pole double throw switch K2 controls the third and fourth light signal circuits: the third lamp signal circuit comprises two lamp detection circuits, and the upper ends of the two lamp detection circuits are connected through a switching wire PFD; an anti-reverse diode D3 is arranged on one route, the lower end of the anti-reverse diode D3 is connected with a lamp inspection end, and the lamp inspection end is connected with a self-checking button on an alarm panel of an on-board alarm system; the other circuit is provided with a third display control lamp D03, the lower end of which is connected with a power ground; the fourth lamp signal circuit comprises two lamp detection circuits, and the upper ends of the two lamp detection circuits are connected through a switching wire MFD; an anti-reverse diode D4 is arranged on one route, and the lower end of the anti-reverse diode D4 is connected with a lamp detection end; the other route is provided with a fourth display control lamp D04, the lower end of which is connected with a power ground; the second single-pole double-throw switch K2 is used for switching on a switching conductor PFD or a switching conductor MFD; the second working circuit is provided with one path and is used for electrifying the left display or switching the display picture of the left display; the third display control lamp D03 and the fourth display control lamp D04 are respectively used for indicating the working or non-working state of the left display; the switch of the second working circuit is linked with the second single-pole double-throw switch K2, and the second single-pole double-throw switch K2 is linked with a second indicating button with a lamp on a cockpit switch board.
Further, the cabin switch plate with lamp display control circuit also comprises a fuel pump display control circuit which is used for powering on the fuel pump and displaying the state; wherein:
the fuel pump shows accuse circuit includes: the third display control circuit and the third working circuit, wherein one end of the third display control circuit is connected with the bright-tuning end, and the other end is provided with a third single-pole double-throw switch K3; the third single-pole double-throw switch K3 controls the fifth light signal circuit: the fifth lamp signal circuit comprises two lamp detection circuits, and the upper ends of the two lamp detection circuits are connected through a switching lead A1; an anti-reverse diode D5 is arranged on one route, the lower end of the anti-reverse diode D5 is connected with a lamp inspection end, and the lamp inspection end is connected with a self-checking button on an alarm panel of an on-board alarm system; the other route is provided with a fifth display control lamp D05, the lower end of which is connected with a power ground; the third single-pole double-throw switch K3 is used for connecting or disconnecting the switching lead A1; the third working circuit is provided with one path and is used for electrifying the fuel pump, and the fifth display control lamp D05 is used for indicating the working state of the fuel pump; the switch of the third working circuit is linked with the third single-pole double-throw switch K3, and the third single-pole double-throw switch K3 is linked with a third indicating button with a lamp on a cockpit switch board.
Furthermore, the cockpit switch plate with lamp display control circuit also comprises a brake display control circuit which is used for electrifying a brake and displaying the state;
the stopper shows accuse circuit includes: the fourth display control circuit and the fourth working circuit, wherein one end of the fourth display control circuit is connected with the bright-adjusting end, and the other end of the fourth display control circuit is provided with a fourth single-pole double-throw switch K4; the fourth single-pole double-throw switch K4 controls the sixth light signal circuit: the sixth lamp signal circuit comprises two lamp detection circuits, and the upper ends of the two lamp detection circuits are connected through a switching lead A2; an anti-reverse diode D6 is arranged on one route, the lower end of the anti-reverse diode D6 is connected with a lamp inspection end, and the lamp inspection end is connected with a self-checking button on an alarm panel of an on-board alarm system; the other route is provided with a sixth display control lamp D06, the lower end of which is connected with a power ground; the fourth single-pole double-throw switch K4 is used for connecting or disconnecting the switching lead A2; the fourth working circuit is provided with one path and is used for electrifying the brake, and the sixth display control lamp D06 is used for indicating the working state of the fuel pump; the switch of the fourth working circuit is linked with the fourth single-pole double-throw switch K4, and the fourth single-pole double-throw switch K4 is linked with a fourth indicating button with a lamp on a cockpit switch board.
Further, passenger cabin switch board area lamp shows accuse circuit still includes airspeed tube and heats and shows accuse circuit for heat the electricity and the state demonstration to airspeed tube, wherein:
airspeed head heats and shows accuse circuit includes: the display control circuit comprises a fifth display control circuit and a fifth working circuit, wherein one end of the fifth display control circuit is connected with the bright-adjusting end, and the other end of the fifth display control circuit is provided with a fifth single-pole double-throw switch K5; the fifth single-pole double-throw switch K5 controls the seventh light signal circuit: the seventh light signal circuit comprises two light detection circuits, and the upper ends of the two light detection circuits are connected through a switching lead A3; an anti-reverse diode D7 is arranged on one route, the lower end of the anti-reverse diode D7 is connected with a lamp inspection end, and the lamp inspection end is connected with a self-checking button on an alarm panel of an on-board alarm system; the other route is provided with a seventh display control lamp D07, the lower end of which is connected with a power ground; the fifth single-pole double-throw switch K5 is used for connecting or disconnecting the switching lead A3; the fifth working circuit is provided with one path and used for electrifying the airspeed tube heating circuit, and the seventh display control lamp D07 is used for indicating the working state of the airspeed tube heating circuit; the switch of the fifth working circuit is linked with the fifth single-pole double-throw switch K5, and the fifth single-pole double-throw switch K5 is linked with a fourth indicating button with a lamp on a cockpit switch board.
Compared with the prior art, the invention has the following technical characteristics:
1. the design of the cockpit switch board with the lamp display control circuit is adopted for the first time in the domestic helicopter, the defects and the defects of the traditional toggle switch used on the helicopter are overcome, the function of replacing the toggle switch with the lamp display control equivalent switch is feasible, and the pilot personnel can recognize the installation test flight in the scientific research stage of a certain training machine.
2. The switch panel is designed according to the switch board of the cockpit, the lamp display control circuit, the integral beauty degree is improved, and the panel is neater to arrange; the system control state is intuitive; the characters can not be shielded, the operation of the middle switch part is more convenient, the peripheral buttons are not easy to be touched by mistake, and the man-machine efficiency is improved.
3. The switch panel has compact internal layout, the reliability of the PCB circuit is high, and the whole weight is slightly reduced due to the reduction of corresponding wiring.
4. The typical design of the display and control circuit with the lamp for the switch board of the cockpit of the helicopter is provided, and beneficial experience and reference are provided for the design of the switch board and the human-computer efficacy of the cockpit in the future.
Drawings
FIG. 1 is a circuit diagram of a display control circuit according to the present invention;
FIG. 2 is a schematic diagram of a switch board design scheme of a cabin of a conventional domestic helicopter (the switch position is fuzzy and cannot be judged);
fig. 3 is a schematic diagram of a helicopter cockpit switch board applying the display and control circuit of the invention in a night flight state.
Detailed Description
Aiming at the current situation of the design of the existing cabin switch, a design of a cabin switch plate with a lamp display control circuit is adopted, an original handle-dialing mode is replaced by a display control module (with a lamp indicating button), and the state of a controlled system is displayed through light or characters, so that the judgment of the position of a switch handle is changed into a light striking prompt; all the display lamps in the circuit can be adjusted in brightness and selectable in light color, so that the night vision compatibility requirement can be met, and the function of the lighting system is not influenced; the whole lamp area self-checking function that shows can carry out the self-checking before flying (whether the lamp is normal) to all showing the lamp, ensures that system status and function display exactness.
Referring to fig. 1, the invention relates to a cockpit switch board with lamp display control circuit, comprising:
the comprehensive display mode display control circuit is used for electrifying the comprehensive display and displaying the state; the left display mode display control circuit is used for electrifying the left comprehensive display and displaying the state; the fuel pump display control circuit is used for electrifying the fuel pump and displaying the state; the brake display control circuit is used for electrifying the brake and displaying the state; airspeed tube heats and shows accuse circuit for heat the electricity and show to airspeed tube, wherein:
1. comprehensive display mode display control circuit
The comprehensive display mode display control circuit comprises: the display device comprises a first display control circuit and a first working circuit, wherein one end of the first display control circuit is connected with a brightness adjusting end, a brightness adjuster on a brightness adjusting termination machine, and the other end of the first display control circuit is provided with a first single-pole double-throw switch K1; the first single pole double throw switch K1 controls the first and second light signal circuits: the first lamp signal circuit comprises two lamp detection circuits, and the upper ends of the two lamp detection circuits are connected through a switching lead NORM; an anti-reverse diode D1 is arranged on one route, the lower end of the anti-reverse diode D1 is connected with a lamp inspection end, and the lamp inspection end is connected with a self-checking button on an alarm panel of an on-board alarm system; when the lamp is detected, 28V voltage is provided through the lamp detection terminal; the other route is provided with a first display control lamp D01, the lower end of which is connected with a power ground; the second lamp signal circuit comprises two lamp detection circuits, and the upper ends of the two lamp detection circuits are connected through a switching lead COMP; an anti-reverse diode D2 is arranged on one route, and the lower end of the anti-reverse diode D2 is connected with a lamp detection end; the other route is provided with a second display control lamp D02, the lower end of which is connected with a power ground; the first single pole double throw switch K1 is used to turn on a switching conductor NORM or a switching conductor COMP. For example, in the example shown in fig. 1, the first working circuit has two paths, which are respectively used for powering on two sets of integrated displays. The switch of the first working circuit is linked with the first single-pole double-throw switch K1, the first single-pole double-throw switch K1 is linked with a first indicator button with a lamp on a cabin switch board, the first indicator button with the lamp is linked to have two gears, the first display lamp D01 and the second display lamp D02 can be integrated in the first indicator button with the lamp, and the working state can be judged by observing the color of the first indicator button with the lamp (the indicator button is transparent, and the color of the indicator button is changed when the indicator lamp is lightened); and a prompt font can be marked on the display control lamp.
The comprehensive display mode display control circuit has three states during working:
firstly, when the lamp inspection is needed, a self-checking button on an alarm panel is pressed to provide 28V voltage at a lamp inspection end, at the moment, the current is divided into two paths from the lamp inspection end, and one path enters a power ground after passing through a diode D1 and a first display control lamp D01; the other path is connected with a power ground after passing through a diode D2 and a second display control lamp D02; therefore, the lamp detection work is carried out, and whether the two display control lamps work normally or not is checked.
Secondly, when the integrated display works normally, the lamp detection end is not required to provide voltage, the first single-pole double-throw switch K1 is connected with the switching lead NORM through the first adjustment of the first indicating button with the lamp, and due to the linkage effect, the switch of the first working circuit is also conducted, so that the integrated display works electrically; at this time, the voltage in the display control circuit of the integrated display mode is provided by the brightness regulator on the display, and the current enters the power ground from the circuit regulator, the lighting end, the switching wire NORM and the first display control lamp D01, so that when the first working circuit is switched on, the first display control lamp D01 is also lighted, and the function of working indication is played. In this state, the anti-reverse diode D1 can prevent the first display control lamp D01 on the first lamp signal circuit from being short-circuited; and the current passing through the first display and control lamp D01 can be changed by controlling and adjusting the brightness adjuster, so that the brightness of the first display and control lamp D01 can be adjusted to meet the working requirement.
Thirdly, when the integrated display does not work, a switching lead COMP is connected through a first single-pole double-throw switch K1, at the moment, the first display and control lamp D01 is powered off and extinguished, the second display and control lamp D02 is powered on by a bright-tone end, when the first single-pole double-throw switch K1 is switched, the switch linked with the first working circuit is also switched off, when the integrated display does not work and is powered off, at the moment, the second display and control lamp D02 indicates the state that the integrated display is not powered on; in this state, the anti-reverse diode D2 prevents the second display lamp D02 on the second lamp signal circuit from being shorted.
2. Left display mode display control circuit
The left side shows mode display control circuit includes: the second display control circuit and the second working circuit, wherein one end of the second display control circuit is connected with a brightness adjusting end, a brightness adjuster on the brightness adjusting end connector is arranged on the brightness adjusting end connector, and the other end of the second display control circuit is provided with a second single-pole double-throw switch K2; the second single pole double throw switch K2 controls the third and fourth light signal circuits: the third lamp signal circuit comprises two lamp detection circuits, and the upper ends of the two lamp detection circuits are connected through a switching wire PFD; an anti-reverse diode D3 is arranged on one route, the lower end of the anti-reverse diode D3 is connected with a lamp inspection end, and the lamp inspection end is connected with a self-checking button on an alarm panel of an on-board alarm system; the other circuit is provided with a third display control lamp D03, the lower end of which is connected with a power ground; the fourth lamp signal circuit comprises two lamp detection circuits, and the upper ends of the two lamp detection circuits are connected through a switching wire MFD; an anti-reverse diode D4 is arranged on one route, and the lower end of the anti-reverse diode D4 is connected with a lamp detection end; the other route is provided with a fourth display control lamp D04, the lower end of which is connected with a power ground; the second single-pole double-throw switch K2 is used to switch on the switching conductor PFD or the switching conductor MFD. The second working circuit is provided with one or more circuits, and the circuit is provided in the example of fig. 1, and is used for powering on the left display or switching the display picture, parameters and the like of the left display, and the control requirement of the working circuit can be designed according to the actual requirement. The third display control lamp D03 and the fourth display control lamp D04 are respectively used for indicating the working or non-working state of the left display. The switch of the second working circuit is linked with the second single-pole double-throw switch K2, and the second single-pole double-throw switch K2 is linked with a second indicating button with a lamp on a cockpit switch board.
The left display mode display control circuit has three states (lamp detection, normal operation and disconnection) during operation, and the working process is similar to that of the comprehensive display mode display control circuit, which is not described herein again.
3. Fuel pump display control circuit
The fuel pump shows accuse circuit includes: the third display and control circuit and the third working circuit, wherein one end of the third display and control circuit is connected with a brightness adjusting end, a brightness adjuster on the brightness adjusting end connector, and the other end is provided with a third single-pole double-throw switch K3; the third single-pole double-throw switch K3 controls the fifth light signal circuit: the fifth lamp signal circuit comprises two lamp detection circuits, and the upper ends of the two lamp detection circuits are connected through a switching lead A1; an anti-reverse diode D5 is arranged on one route, the lower end of the anti-reverse diode D5 is connected with a lamp inspection end, and the lamp inspection end is connected with a self-checking button on an alarm panel of an on-board alarm system; the other route is provided with a fifth display control lamp D05, the lower end of which is connected with a power ground; the third single-pole double-throw switch K3 is used to connect or disconnect the switching wire a 1. The third operating circuit is provided with one or more circuits, one circuit is provided in the example given in fig. 1, and is used for electrifying the fuel pump to operate the fuel pump, and the fifth display and control lamp D05 is used for indicating the operating state of the fuel pump. The switch of the third working circuit is linked with the third single-pole double-throw switch K3, and the third single-pole double-throw switch K3 is linked with a third indicating button with a lamp on a cockpit switch board.
The fuel pump display control circuit has three states (lamp detection, normal operation and disconnection) during operation, and the working process is similar to that of the comprehensive display mode display control circuit, which is not described herein again.
4. Brake display control circuit
The stopper shows accuse circuit includes: the fourth display control circuit and the fourth working circuit, wherein one end of the fourth display control circuit is connected with a brightness adjusting end, a brightness adjuster on the brightness adjusting end connector is arranged on the brightness adjusting end connector, and a fourth single-pole double-throw switch K4 is arranged at the other end of the fourth display control circuit; the fourth single-pole double-throw switch K4 controls the sixth light signal circuit: the sixth lamp signal circuit comprises two lamp detection circuits, and the upper ends of the two lamp detection circuits are connected through a switching lead A2; an anti-reverse diode D6 is arranged on one route, the lower end of the anti-reverse diode D6 is connected with a lamp inspection end, and the lamp inspection end is connected with a self-checking button on an alarm panel of an on-board alarm system; the other route is provided with a sixth display control lamp D06, the lower end of which is connected with a power ground; the fourth single-pole double-throw switch K4 is used to connect or disconnect the switching conductor a 2. The fourth operating circuit is provided with one or more circuits, one circuit is provided in the example shown in fig. 1 for supplying power to the brake, and the sixth display lamp D06 is used for indicating the operating state of the fuel pump. The switch of the fourth working circuit is linked with the fourth single-pole double-throw switch K4, and the fourth single-pole double-throw switch K4 is linked with a fourth indicating button with a lamp on a cockpit switch board.
The brake display control circuit has three states (lamp detection, normal operation and disconnection) during operation, and the working process is similar to that of the comprehensive display mode display control circuit, which is not described herein.
5. Heating display control circuit of airspeed head
Airspeed head heats and shows accuse circuit includes: the display control circuit comprises a fifth display control circuit and a fifth working circuit, wherein one end of the fifth display control circuit is connected with a brightness adjusting end, a brightness adjuster on a brightness adjusting terminator is arranged at the brightness adjusting end, and a fifth single-pole double-throw switch K5 is arranged at the other end of the fifth display control circuit; the fifth single-pole double-throw switch K5 controls the seventh light signal circuit: the seventh light signal circuit comprises two light detection circuits, and the upper ends of the two light detection circuits are connected through a switching lead A3; an anti-reverse diode D7 is arranged on one route, the lower end of the anti-reverse diode D7 is connected with a lamp inspection end, and the lamp inspection end is connected with a self-checking button on an alarm panel of an on-board alarm system; the other route is provided with a seventh display control lamp D07, the lower end of which is connected with a power ground; the fifth single-pole double-throw switch K5 is used to connect or disconnect the switching wire A3. The fifth operating circuit is provided with one or more circuits, one circuit is provided in the example given in fig. 1 for powering on the pitot tube warming circuit, and the seventh display control lamp D07 is used for indicating the operating state of the pitot tube warming circuit. The switch of the fifth working circuit is linked with the fifth single-pole double-throw switch K5, and the fifth single-pole double-throw switch K5 is linked with a fourth indicating button with a lamp on a cockpit switch board.
The airspeed head heating display control circuit has three states (lamp detection, normal work and disconnection) during working, the working process is similar to the comprehensive display mode display control circuit, and the details are not repeated herein.
In conclusion, the display control button is adopted, a toggle switch can be effectively replaced, the initial position and the working position are more visual by the light display of the button or the lettering (English abbreviation) display of the system function provided according to the requirement, and whether the button state and the system connection are normal or not can be easily sensed by the light display no matter in daytime or in night flight; the circuit is connected by adopting a mode of adding a flat cable on a PCB (printed Circuit Board), so that the internal space is enlarged, the layout is compact, the internal wiring is reduced, and the weight is reduced; meanwhile, when the PCB which is externally connected through the rectangular connector fails, the PCB can be quickly detached and replaced, so that the maintainability is improved; the circuit display lamp can adjust the light through an external brightness adjuster to achieve the best visible brightness in the day and at night; the circuit display lamp can utilize the self-checking button of the external warning system to carry out self-checking on the display lamp so as to ensure that the system state and the function are displayed correctly.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equally replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application, and are intended to be included within the scope of the present application.

Claims (8)

1. A cockpit switch board with a lamp display control circuit is characterized by comprising a comprehensive display mode display control circuit, a display control circuit and a control circuit, wherein the comprehensive display mode display control circuit is used for electrifying a comprehensive display and displaying the state; wherein: the comprehensive display mode display control circuit comprises:
the display device comprises a first display control circuit and a first working circuit, wherein one end of the first display control circuit is connected with a brightness adjusting end, a brightness adjuster on a brightness adjusting termination machine, and the other end of the first display control circuit is provided with a first single-pole double-throw switch K1; the first single pole double throw switch K1 controls the first and second light signal circuits: the first lamp signal circuit comprises two lamp detection circuits, and the upper ends of the two lamp detection circuits are connected through a switching lead NORM; an anti-reverse diode D1 is arranged on one route, the lower end of the anti-reverse diode D1 is connected with a lamp inspection end, and the lamp inspection end is connected with a self-checking button on an alarm panel of an on-board alarm system; the other route is provided with a first display control lamp D01, the lower end of which is connected with a power ground; the second lamp signal circuit comprises two lamp detection circuits, and the upper ends of the two lamp detection circuits are connected through a switching lead COMP; an anti-reverse diode D2 is arranged on one route, and the lower end of the anti-reverse diode D2 is connected with a lamp detection end; the other route is provided with a second display control lamp D02, the lower end of which is connected with a power ground; the first single-pole double-throw switch K1 is used for switching on a switching lead NORM or a switching lead COMP; the first working circuit is provided with two paths which are respectively used for electrifying two sets of comprehensive displays on the computer; the switch of the first working circuit is linked with the first single-pole double-throw switch K1, and the first single-pole double-throw switch K1 is linked with a first indicator button with a lamp on a cabin switch board.
2. The cockpit switch panel with light display and control circuit of claim 1, wherein the first display and control button linkage has two gears, the first display and control light D01 and the second display and control light D02 are integrated in the first display and control button, and the operating state is determined by observing the color of the first display and control button.
3. The cockpit switch panel with light display and control circuit of claim 1, wherein the integrated display mode display and control circuit has three states during operation:
firstly, when the lamp inspection is needed, a self-checking button on an alarm panel is pressed to provide 28V voltage at a lamp inspection end, at the moment, the current is divided into two paths from the lamp inspection end, and one path enters a power ground after passing through a diode D1 and a first display control lamp D01; the other path is connected with a power ground after passing through a diode D2 and a second display control lamp D02; therefore, lamp inspection work is carried out, and whether the two display control lamps work normally is checked;
secondly, when the integrated display works normally, the first single-pole double-throw switch K1 is connected with a switching lead NORM through a first adjusting first lighted indicating button, so that the switch of a first working circuit is also conducted, and the integrated display works on electricity; at the moment, the voltage in the comprehensive display mode display control circuit is provided by a brightness regulator on the computer, and the current enters a power ground from the circuit regulator, the brightness adjusting end, the switching lead NORM and the first display control lamp D01, so that when the first working circuit is conducted, the first display control lamp D01 is also lightened to play a role in work indication;
thirdly, when the integrated display does not work, the first single-pole double-throw switch K1 is connected with a switching lead COMP, at the moment, the first display and control lamp D01 is powered off and is turned off, the second display and control lamp D02 is powered on by a bright-tone end, the switch linked with the first working circuit is also turned off when the first single-pole double-throw switch K1 is switched, the integrated display does not work and is powered off, and at the moment, the second display and control lamp D02 indicates the state that the integrated display is not powered on.
4. The cockpit switch panel with lamp display and control circuit of claim 1, wherein the magnitude of the current passing through the first display and control lamp D01 can be changed by controlling and adjusting the brightness adjuster, so as to adjust the brightness of the first display and control lamp D01 and the second display and control lamp D02 to meet the working requirement.
5. The cockpit switch panel strip light display and control circuit of claim 1, further comprising: the left display mode display control circuit is used for electrifying the left comprehensive display and displaying the state;
the left side shows mode display control circuit includes: the second display control circuit and the second working circuit, wherein one end of the second display control circuit is connected with the bright-tuning end, and the other end of the second display control circuit is provided with a second single-pole double-throw switch K2; the second single pole double throw switch K2 controls the third and fourth light signal circuits: the third lamp signal circuit comprises two lamp detection circuits, and the upper ends of the two lamp detection circuits are connected through a switching wire PFD; an anti-reverse diode D3 is arranged on one route, the lower end of the anti-reverse diode D3 is connected with a lamp inspection end, and the lamp inspection end is connected with a self-checking button on an alarm panel of an on-board alarm system; the other circuit is provided with a third display control lamp D03, the lower end of which is connected with a power ground; the fourth lamp signal circuit comprises two lamp detection circuits, and the upper ends of the two lamp detection circuits are connected through a switching wire MFD; an anti-reverse diode D4 is arranged on one route, and the lower end of the anti-reverse diode D4 is connected with a lamp detection end; the other route is provided with a fourth display control lamp D04, the lower end of which is connected with a power ground; the second single-pole double-throw switch K2 is used for switching on a switching conductor PFD or a switching conductor MFD; the second working circuit is provided with one path and is used for electrifying the left display or switching the display picture of the left display; the third display control lamp D03 and the fourth display control lamp D04 are respectively used for indicating the working or non-working state of the left display; the switch of the second working circuit is linked with the second single-pole double-throw switch K2, and the second single-pole double-throw switch K2 is linked with a second indicating button with a lamp on a cockpit switch board.
6. The cockpit switch panel light display and control circuit of claim 1, further comprising a fuel pump display and control circuit for powering and status displaying a fuel pump;
the fuel pump shows accuse circuit includes: the third display control circuit and the third working circuit, wherein one end of the third display control circuit is connected with the bright-tuning end, and the other end is provided with a third single-pole double-throw switch K3; the third single-pole double-throw switch K3 controls the fifth light signal circuit: the fifth lamp signal circuit comprises two lamp detection circuits, and the upper ends of the two lamp detection circuits are connected through a switching lead A1; an anti-reverse diode D5 is arranged on one route, the lower end of the anti-reverse diode D5 is connected with a lamp inspection end, and the lamp inspection end is connected with a self-checking button on an alarm panel of an on-board alarm system; the other route is provided with a fifth display control lamp D05, the lower end of which is connected with a power ground; the third single-pole double-throw switch K3 is used for connecting or disconnecting the switching lead A1; the third working circuit is provided with one path and is used for electrifying the fuel pump, and the fifth display control lamp D05 is used for indicating the working state of the fuel pump; the switch of the third working circuit is linked with the third single-pole double-throw switch K3, and the third single-pole double-throw switch K3 is linked with a third indicating button with a lamp on a cockpit switch board.
7. The cockpit switch panel light display and control circuit of claim 1, further comprising a brake display and control circuit for powering up a brake and displaying status;
the stopper shows accuse circuit includes: the fourth display control circuit and the fourth working circuit, wherein one end of the fourth display control circuit is connected with the bright-adjusting end, and the other end of the fourth display control circuit is provided with a fourth single-pole double-throw switch K4; the fourth single-pole double-throw switch K4 controls the sixth light signal circuit: the sixth lamp signal circuit comprises two lamp detection circuits, and the upper ends of the two lamp detection circuits are connected through a switching lead A2; an anti-reverse diode D6 is arranged on one route, the lower end of the anti-reverse diode D6 is connected with a lamp inspection end, and the lamp inspection end is connected with a self-checking button on an alarm panel of an on-board alarm system; the other route is provided with a sixth display control lamp D06, the lower end of which is connected with a power ground; the fourth single-pole double-throw switch K4 is used for connecting or disconnecting the switching lead A2; the fourth working circuit is provided with one path and is used for electrifying the brake, and the sixth display control lamp D06 is used for indicating the working state of the fuel pump; the switch of the fourth working circuit is linked with the fourth single-pole double-throw switch K4, and the fourth single-pole double-throw switch K4 is linked with a fourth indicating button with a lamp on a cockpit switch board.
8. The cockpit switch plate band lamp display and control circuit of claim 1, further comprising a pitot tube heating display and control circuit for heating, powering up and state display of the pitot tube, wherein:
airspeed head heats and shows accuse circuit includes: the display control circuit comprises a fifth display control circuit and a fifth working circuit, wherein one end of the fifth display control circuit is connected with the bright-adjusting end, and the other end of the fifth display control circuit is provided with a fifth single-pole double-throw switch K5; the fifth single-pole double-throw switch K5 controls the seventh light signal circuit: the seventh light signal circuit comprises two light detection circuits, and the upper ends of the two light detection circuits are connected through a switching lead A3; an anti-reverse diode D7 is arranged on one route, the lower end of the anti-reverse diode D7 is connected with a lamp inspection end, and the lamp inspection end is connected with a self-checking button on an alarm panel of an on-board alarm system; the other route is provided with a seventh display control lamp D07, the lower end of which is connected with a power ground; the fifth single-pole double-throw switch K5 is used for connecting or disconnecting the switching lead A3; the fifth working circuit is provided with one path and used for electrifying the airspeed tube heating circuit, and the seventh display control lamp D07 is used for indicating the working state of the airspeed tube heating circuit; the switch of the fifth working circuit is linked with the fifth single-pole double-throw switch K5, and the fifth single-pole double-throw switch K5 is linked with a fourth indicating button with a lamp on a cockpit switch board.
CN202011107424.XA 2020-10-16 2020-10-16 Display control circuit with lamp for cabin switch plate Active CN112235914B (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201237867Y (en) * 2008-08-11 2009-05-13 宝鸡市航宇光电显示技术开发有限责任公司 Combined light-guiding control display equipment
JP2011018868A (en) * 2009-06-10 2011-01-27 Sharp Corp Light emitting element driving device, and surface lighting device or display device with the same
CN104655959A (en) * 2015-01-29 2015-05-27 北京新能源汽车股份有限公司 Device for detecting high-voltage residual electricity of discharged electric car
CN104967105A (en) * 2015-07-15 2015-10-07 苏州创泰电子有限公司 Single LED data display power supply protector and display control method thereof
CN106604451A (en) * 2016-11-30 2017-04-26 中国直升机设计研究所 Illumination system of cockpit of sea helicopter
CN107345991A (en) * 2016-05-06 2017-11-14 哈尔滨飞机工业集团有限责任公司 A kind of windscreen wiper systems modelling device
CN207407992U (en) * 2017-11-29 2018-05-25 成都飞亚航空设备应用研究所有限公司 A kind of vibration amplifier exerciser
CN109887452A (en) * 2019-03-14 2019-06-14 青岛欧博源电子科技有限公司 Aircraft multifunction display detection device
US20190344705A1 (en) * 2018-05-09 2019-11-14 CHRIS Bart H. Supplemental exterior lighting system for recreational vehicles
CN210090635U (en) * 2019-05-05 2020-02-18 成都飞机工业(集团)有限责任公司 Detector for valve of aircraft fuel system

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201237867Y (en) * 2008-08-11 2009-05-13 宝鸡市航宇光电显示技术开发有限责任公司 Combined light-guiding control display equipment
JP2011018868A (en) * 2009-06-10 2011-01-27 Sharp Corp Light emitting element driving device, and surface lighting device or display device with the same
CN104655959A (en) * 2015-01-29 2015-05-27 北京新能源汽车股份有限公司 Device for detecting high-voltage residual electricity of discharged electric car
CN104967105A (en) * 2015-07-15 2015-10-07 苏州创泰电子有限公司 Single LED data display power supply protector and display control method thereof
CN107345991A (en) * 2016-05-06 2017-11-14 哈尔滨飞机工业集团有限责任公司 A kind of windscreen wiper systems modelling device
CN106604451A (en) * 2016-11-30 2017-04-26 中国直升机设计研究所 Illumination system of cockpit of sea helicopter
CN207407992U (en) * 2017-11-29 2018-05-25 成都飞亚航空设备应用研究所有限公司 A kind of vibration amplifier exerciser
US20190344705A1 (en) * 2018-05-09 2019-11-14 CHRIS Bart H. Supplemental exterior lighting system for recreational vehicles
CN109887452A (en) * 2019-03-14 2019-06-14 青岛欧博源电子科技有限公司 Aircraft multifunction display detection device
CN210090635U (en) * 2019-05-05 2020-02-18 成都飞机工业(集团)有限责任公司 Detector for valve of aircraft fuel system

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
S. BOLLMANN: "Concepts for a Condition-Based Attention Control on Helicopter Navigation Displays", 《2018 IEEE/AIAA 37TH DIGITAL AVIONICS SYSTEMS CONFERENCE (DASC)》, 10 December 2018 (2018-12-10) *
张青峰: "某型机飞行训练模拟器座舱显示系统设计与实现", 《电子技术与软件工程》, 27 June 2019 (2019-06-27) *
陈鸿: "飞机座舱显控系统的半实物仿真实现", 《电子设计工程》, 5 July 2018 (2018-07-05) *

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