Modularized aviation cockpit lighting dimming control system architecture

Abstract

The invention discloses a modular aviation cockpit lighting and dimming control system architecture. The modular aviation cockpit lighting and dimming control system architecture is based on modular design. The system specifically comprises an onboard DC power supply, a first anti-reverse circuit, a first filter circuit, a first surge suppression circuit, a first power supply processing circuit, a DSP control circuit, a discrete magnitude acquisition circuit, an analog quantity acquisition circuit, an A / D conversion circuit, a second anti-reverse circuit, a second filter circuit, a second surge suppression circuit, a second power supply processing circuit, a PWM drive circuit, a first load, an HB6096 communication circuit, an RS422 communication circuit and an RS232 communication circuit. And a D / A conversion circuit and a load 2. The airplane cockpit lighting dimming control system has the advantages that the airplane cockpit lighting dimming control system architecture is modularized, the airplane cockpit lighting dimming control function meeting different requirements can be conveniently and rapidly designed, and then the design work efficiency is maximized.

Description

Technical Field

[0001] The present invention relates to the field of aircraft cockpit lighting, and in particular, to a modular aircraft cockpit lighting dimming control system architecture. Background Art

[0002] At present, the aircraft cockpit lighting dimming control system has different system architectures corresponding to different aircraft functional requirements. The applicant has found that although the system architectures are different, the overall dimming control principle is similar, and the aircraft cockpit lighting dimming control system can be modularly designed. Summary of the Invention

[0003] In view of this, the present invention provides a modular aircraft cockpit lighting dimming control system architecture.

[0004] To achieve the above object, a technical solution provided by the present invention is: a modular aircraft cockpit lighting dimming control system architecture, based on modular design, specifically including: an on-board DC power supply, an anti-reverse circuit one, a filter circuit one, a surge suppression circuit one, a power supply processing circuit one, a DSP control circuit, a discrete quantity acquisition circuit, an analog quantity acquisition circuit, an A / D conversion circuit, an anti-reverse circuit two, a filter circuit two, a surge suppression circuit two, a power supply processing circuit two, a PWM drive circuit, a load one, an HB6096 communication circuit, an RS422 communication circuit, an RS232 communication circuit, a D / A conversion circuit, and a load two.

[0005] As a preferred solution of the modular aircraft cockpit lighting dimming control system architecture, the on-board DC power supply supplies power to the DSP control circuit, the discrete quantity acquisition circuit, the analog quantity acquisition circuit, the A / D conversion circuit, the HB6096 communication circuit, the RS422 communication circuit, the RS232 communication circuit, and the D / A conversion circuit through the anti-reverse circuit one, the filter circuit one, the surge suppression circuit one, and the power supply processing circuit one.

[0006] As a preferred solution of the modular aircraft cockpit lighting dimming control system architecture, the on-board DC power supply supplies power to the PWM drive circuit through the anti-reverse circuit two, the filter circuit two, the surge suppression circuit two, and the power supply processing circuit two.

[0007] As a preferred solution of the modular aircraft cockpit lighting dimming control system architecture, the DSP control circuit communicates externally through the HB6096 communication circuit.

[0008] As a preferred solution of the modular aircraft cockpit lighting dimming control system architecture, the DSP control circuit communicates externally through the RS422 communication circuit.

[0009] As a preferred solution for the architecture of the modular aircraft cockpit lighting dimming control system, the DSP control circuit communicates with the maintenance equipment through the RS232 communication circuit.

[0010] As a preferred solution for the architecture of the modular aircraft cockpit lighting dimming control system, the DSP control circuit controls Load 1 through the PWM drive circuit.

[0011] As a preferred solution for the architecture of the modular aircraft cockpit lighting dimming control system, the DSP control circuit controls Load 2 through the D / A conversion circuit.

[0012] As a preferred solution for the architecture of the modular aircraft cockpit lighting dimming control system, the DSP control circuit receives discrete inputs through the discrete quantity acquisition circuit.

[0013] As a preferred solution for the architecture of the modular aircraft cockpit lighting dimming control system, the DSP control circuit receives analog inputs through the analog quantity acquisition circuit and the A / D conversion circuit.

[0014] Compared with the prior art, the beneficial effects of the present invention are at least as follows: modularizing the architecture of the aircraft cockpit lighting dimming control system can facilitate and quickly design the aircraft cockpit lighting dimming control functions that meet different requirements, thereby maximizing the design work efficiency. During specific implementation, the modular circuits can be combined and adaptively reduced according to different requirements, so as to achieve the aircraft cockpit lighting dimming control functions required by different aircraft. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings through specific embodiments. It should be noted here that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation on the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0017] Please refer to Figure 1 , which shows an architecture of a modular aircraft cockpit lighting dimming control system. The architecture of the modular aircraft cockpit lighting dimming control system adopts a modular design.

[0018] The modular aircraft cockpit lighting dimming control system architecture includes: an on-board DC power supply, an anti-reverse circuit 1, a filter circuit 1, a surge suppression circuit 1, a power processing circuit 1, a DSP control circuit, a discrete quantity acquisition circuit, an analog quantity acquisition circuit, an A / D conversion circuit, an anti-reverse circuit 2, a filter circuit 2, a surge suppression circuit 2, a power processing circuit 2, a PWM drive circuit, a load 1, an HB6096 communication circuit, an RS422 communication circuit, an RS232 communication circuit, a D / A conversion circuit, a load 2, etc.

[0019] The on-board DC power supply is connected to the anti-reverse circuit 1. The anti-reverse circuit 1 is connected to the filter circuit 1. The filter circuit 1 is connected to the surge suppression circuit 1. The surge printed circuit 1 is connected to the power processing circuit 1. The power processing circuit 1 is respectively connected to the DSP control circuit, the discrete quantity acquisition circuit, the analog quantity acquisition circuit, the A / D conversion circuit, the HB6096 communication circuit, the RS422 communication circuit, the R232 communication circuit, and the D / A conversion circuit. The on-board DC power supply supplies power to the DSP control circuit, the discrete quantity acquisition circuit, the analog quantity acquisition circuit, the A / D conversion circuit, the HB6096 communication circuit, the RS422 communication circuit, the RS232 communication circuit, and the D / A conversion circuit through the anti-reverse circuit 1, the filter circuit 1, the surge suppression circuit 1, and the power processing circuit 1.

[0020] The DSP control circuit is respectively connected to the discrete quantity acquisition circuit, the A / D conversion circuit, the PWM drive circuit, the HB6096 communication circuit, the RS422 communication circuit, the RS232 communication circuit, and the D / A conversion circuit. The A / D conversion circuit is connected to the analog quantity acquisition circuit. The DSP control circuit receives discrete quantity inputs through the discrete quantity acquisition circuit. The DSP control circuit receives analog quantity inputs through the analog quantity acquisition circuit and the A / D conversion circuit. The DSP control circuit communicates externally through the HB6096 communication circuit. The DSP control circuit communicates externally through the RS422 communication circuit. The DSP control circuit communicates with maintenance equipment through the RS232 communication circuit.

[0021] The on-board DC power supply is connected to the anti-reverse circuit 2. The anti-reverse circuit 2 is connected to the filter circuit 2. The filter circuit 2 is connected to the surge suppression circuit 2. The surge suppression circuit 2 is connected to the PWM drive circuit. The on-board DC power supply supplies power to the PWM drive circuit through the anti-reverse circuit 2, the filter circuit 2, the surge suppression circuit 2, and the power processing circuit 2.

[0022] The PWM driving circuit is connected to the first load. The DSP control circuit controls the first load through the PWM driving circuit.

[0023] The D / A conversion circuit is connected to the second load. The DSP control circuit controls the second load through the D / A conversion circuit.

[0024] Among them, both the first reverse connection prevention circuit and the second reverse connection prevention circuit are used to avoid product failures caused by the reverse connection of the positive and negative wires of the on-board DC power supply.

[0025] Among them, both the first filter circuit and the second filter circuit are used to filter the on-board DC power supply.

[0026] Among them, both the first surge suppression circuit and the second surge suppression circuit are used to suppress the spike surges of the on-board DC power supply.

[0027] Among them, both the first power supply processing circuit and the second power supply processing circuit are used to convert the voltage of the on-board DC power supply to generate a DC voltage that meets the requirements of other circuits.

[0028] Among them, the DSP control circuit is used to perform arithmetic processing on digital signals, generate corresponding control signals, and transmit them externally.

[0029] Among them, the discrete quantity acquisition circuit is used to acquire switch signals or optical encoder signals and send the acquired data to the DSP control circuit.

[0030] Among them, the analog quantity acquisition circuit is used to acquire potentiometer signals or sensor signals and send the acquired data to the A / D conversion circuit.

[0031] Among them, the A / D conversion circuit is used to convert analog signals into digital signals and send them to the DSP control circuit.

[0032] Among them, the PWM driving circuit controls and adjusts the first load according to the PWM control signal generated by the DSP control circuit.

[0033] Among them, the HB6096 communication circuit enables the DSP control circuit to communicate with the outside world through the HB6096 bus.

[0034] Among them, the RS422 communication circuit enables the DSP control circuit to communicate with the outside world through the RS422 bus.

[0035] Among them, the RS232 communication circuit enables the DSP control circuit to communicate with maintenance equipment through the RS232 bus.

[0036] Among them, the D / A conversion circuit converts the digital signal generated by the DSP control circuit into an analog signal to control and adjust the load two.

[0037] In specific implementation, according to different requirements, the modular circuits can be combined and adaptively deleted to achieve the cockpit lighting dimming control function required by different aircraft.

[0038] The above only expresses the implementation modes of the present invention. The description is relatively specific and detailed, but it cannot be understood as a limitation on the scope of the invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the appended claims.

Claims

1. A modular aircraft cockpit lighting dimming control system architecture, characterized in that, The modular aircraft cockpit lighting dimming control system architecture is based on modular design and specifically includes: on-board DC power supply, anti-reverse circuit 1, filter circuit 1, surge suppression circuit 1, power processing circuit 1, DSP control circuit, discrete quantity acquisition circuit, analog quantity acquisition circuit, A / D conversion circuit, anti-reverse circuit 2, filter circuit 2, surge suppression circuit 2, power processing circuit 2, PWM drive circuit, load 1, HB6096 communication circuit, RS422 communication circuit, RS232 communication circuit, D / A conversion circuit, and load 2.

2. The modular aircraft cockpit lighting dimming control system architecture according to claim 1, characterized in that, The on-board DC power supply supplies power to the DSP control circuit, the discrete quantity acquisition circuit, the analog quantity acquisition circuit, the A / D conversion circuit, the HB6096 communication circuit, the RS422 communication circuit, the RS232 communication circuit, and the D / A conversion circuit through the anti-reverse circuit 1, the filter circuit 1, the surge suppression circuit 1, and the power processing circuit 1.

3. The modular aircraft cockpit lighting dimming control system architecture according to claim 1, characterized in that, The on-board DC power supply supplies power to the PWM drive circuit through the anti-reverse circuit 2, the filter circuit 2, the surge suppression circuit 2, and the power processing circuit 2.

4. The modular aircraft cockpit lighting dimming control system architecture according to claim 1, characterized in that, The DSP control circuit communicates externally through the HB6096 communication circuit.

5. The modular aircraft cockpit lighting dimming control system architecture according to claim 1, characterized in that, The DSP control circuit communicates externally through the RS422 communication circuit.

6. The modular aircraft cockpit lighting dimming control system architecture according to claim 1, characterized in that, The DSP control circuit communicates with maintenance equipment through the RS232 communication circuit.

7. The modular aircraft cockpit lighting dimming control system architecture according to claim 1, characterized in that, The DSP control circuit controls the load 1 through the PWM drive circuit.

8. The modular aircraft cockpit lighting dimming control system architecture according to claim 1, characterized in that, The DSP control circuit controls the load 2 through the D / A conversion circuit.

9. The modular aircraft cockpit lighting dimming control system architecture according to claim 1, characterized in that, The DSP control circuit receives discrete quantity inputs through the discrete quantity acquisition circuit.

10. The modular aircraft cockpit lighting dimming control system architecture according to claim 1, characterized in that, The DSP control circuit receives analog quantity inputs through the analog quantity acquisition circuit and the A / D conversion circuit.

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