Passenger cabin area management and distribution device for wide-body airliner

Abstract

The utility model discloses a passenger cabin area management and distribution device for a wide-body passenger plane. The passenger cabin area management and distribution device comprises a core processor module, a gigabit Ethernet communication module, a bus interface module and a wireless communication module, the core processor module communicates with external core layer equipment and terminal layer equipment through the gigabit Ethernet communication module, communicates with the external terminal layer equipment through the bus interface module and the wireless communication module, and can receive data from the core layer equipment and the terminal layer equipment and process and transmit the data. The gigabit Ethernet communication module and the bus interface module of the passenger cabin area management and distribution device can support various data transmission types of equipment in an airplane passenger cabin, and the passenger cabin area management and distribution device has the advantages of multiple adaptive interfaces, high expansibility, high reliability, light weight, small size and the like.

Description

Technical Field

[0001] The utility model relates to a cabin area management and allocation device, in particular to a cabin area management and allocation device for a wide-body passenger aircraft. Background Art

[0002] Although the existing cabin system architecture can meet the needs of the existing environment in terms of functionality, the lack of resource concentration leads to a certain amount of waste, so there is still room for improvement in system weight reduction and aircraft economy. Therefore, in order to further improve system performance, the concept of regionalized cabin system design is proposed, and a flexible middle layer is established to be compatible with the interface transmission of various data at the system terminal layer, perform data conversion, and pass it to the core layer for unified processing, so as to achieve the purpose of improving data processing efficiency and flexible function expansion. However, there is currently no equipment suitable for the middle layer on the market. Summary of the invention

[0003] The invention of the utility model aims to provide a cabin area management distribution device for wide-body aircraft, providing a middle-layer device for the regionalized cabin system, which is responsible for data exchange with the cabin core layer and terminal layer equipment, and provides power for 10-way cabin equipment and 5-way signboards. The utility model is particularly suitable for the regionalized design of the cabin system in wide-body aircraft, and can exchange data with the core layer and terminal layer equipment, and provide power for the cabin equipment and signboards of wide-body aircraft.

[0004] The invention objective of the utility model is achieved through the following technical solutions.

[0005] A cabin area management and allocation device for a wide-body aircraft, comprising a core processor module, a Gigabit Ethernet communication module, a bus interface module, and a wireless communication module;

[0006] The core processor module communicates with external core layer devices and terminal layer devices through the Gigabit Ethernet communication module, and communicates with external terminal layer devices through the bus interface module and the wireless communication module. It can receive data from various core layer devices and terminal layer devices, and process and transmit them; among which:

[0007] The Gigabit Ethernet communication module has the function of a switch, which converts the 1-channel Gigabit Ethernet data from the core processing module into multiple-channel Gigabit Ethernet data. The Gigabit Ethernet communication module supports static routing, RIPV1 / V2, VRRP, PIM routing, and IPv6 protocol. The Gigabit Ethernet communication module has 24 Ethernet interfaces and supports 10M, 100M, and Gigabit Ethernet data transmission.

[0008] The bus interface module includes RS485 interface, ARINC429 interface and CAN bus interface, meeting the corresponding data transmission standards.

[0009] Preferably, the core processor module is an independent processor circuit that includes a storage function, which is not only compatible with the RGMII interface, serial port, CAN, and SPI interface, but also compatible with a variety of display screen interfaces and camera interfaces, has graphics processing capabilities, and can provide support for subsequent interface expansion.

[0010] Preferably, multiple cabin area management and distribution devices form a daisy chain with core layer devices through Gigabit Ethernet, and each cabin area management and distribution device forms a daisy chain with multiple terminal layer devices through Gigabit Ethernet, and exchanges data with core layer devices and terminal layer devices through regional network switching and networking functions.

[0011] Preferably, the bus interface module has lightning protection circuits and filtering protection circuits for different bus interfaces at the external interface.

[0012] Preferably, the wireless communication module includes a 5G communication module and a WIFI module, wherein the WIFI module circuit supports dual-band and has 3 channels.

[0013] Preferably, the cabin area management allocation device further comprises a sign driving circuit module, and the core processor module controls the sign driving circuit module to provide driving voltage for multiple signboards according to the control signal input by the core layer device, thereby driving the signboards to flash.

[0014] Preferably, the cabin area management distribution device also includes a protection circuit module and a power supply module. The external power supply enters the power supply module after being protected by the protection circuit. The power supply module converts the external voltage into a suitable internal voltage through the boost and buck functions, and supplies power to each module inside the cabin area management distribution device.

[0015] Preferably, the protection circuit module includes power supply interface protection, filtering protection, surge protection, lightning protection and 200ms power off protection; wherein the power supply interface protection will stop supplying power when the external voltage is overvoltage or undervoltage, or when a short circuit occurs in the terminal layer equipment causing the impedance to become low and causing overcurrent. After the fault is eliminated, the power supply is restored manually or by the core processor module through monitoring the power supply protection to achieve automatic power restoration.

[0016] Preferably, the cabin area management distribution device also includes an internal detection module, which is distributed near each interface and the circuit that needs to be detected, and transmits the detected data to the core processor module. When the detected data is abnormal, the core processor module sends information to the core layer equipment.

[0017] Compared with the prior art, the beneficial effect of the utility model is to realize regional network exchange and networking functions through multi-layer daisy chains. Functionally, it has multiple data conversion forms, supporting multi-channel Gigabit Ethernet, CAN, RS485, ARINC429, 5G communication and WIFI communication. In addition, the utility model also supports the expansion of subsequent data types and the number of interfaces of the device. In addition to data conversion, the utility model also has a power supply interface for 10 cabin equipment and 5 signboards, and supports the flashing function of the signboard. The utility model has a high reliability design, and multiple protection circuits such as filtering, lightning protection, surge, and 200ms power-off protection are added internally. Among them, the interface protection has overvoltage, undervoltage and overcurrent protection functions, and can accurately shut down the power supply of the faulty circuit for overcurrent faults without affecting the power supply output of other circuits. After the fault is eliminated, the interface supports two recovery modes: manual power restoration and automatic power restoration. In addition, temperature, voltage, current and other detection circuits are added internally, with a complete monitoring and reporting mechanism. The utility model has a high degree of circuit integration, and realizes the construction of multiple functional circuits in a smaller volume. In summary, the utility model has the advantages of multiple data transmission forms, strong scalability, complete functions, high reliability, small size, light weight, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is an external connection relationship diagram of the cabin area management and allocation device for a wide-body passenger aircraft according to the utility model.

[0019] Figure 2 The utility model is a principle block diagram of a cabin area management and allocation device for a wide-body passenger aircraft.

[0020] Figure 3 The figure is a schematic diagram of the appearance of the cabin area management and allocation device for a wide-body passenger aircraft according to the present invention.

[0021] Figure 4 It is a schematic diagram of some interfaces of the cabin area management and allocation device for wide-body passenger aircraft of the utility model. DETAILED DESCRIPTION

[0022] How the utility model is implemented is further described below in conjunction with the accompanying drawings.

[0023] The cabin area management and distribution device for wide-body aircraft provided in this embodiment serves as an intermediate layer device of the cabin system, supports multiple bus interfaces, and can meet the increasingly diversified cabin equipment access requirements. In addition, the cabin area management and distribution device also has a wireless communication function, which provides convenience for the installation and use of future cabin systems and provides the possibility for the continuous extension of subsequent cabin services.

[0024] As the middle layer, the cabin area management distribution device can not only realize the data transmission and forwarding between the core layer and the terminal layer equipment, but also provide power for multiple cabin equipment and signs. Figure 1 shown.

[0025] See also Figure 1 As shown, a cabin area management and distribution device for a wide-body aircraft shown in this embodiment is used as an intermediate layer device, which is connected to the onboard power supply equipment, the core layer equipment, the 10-way cabin equipment, the 5-way cabin signs and the terminal layer equipment. The cabin area management and distribution device includes a core processor module, a power supply module, a Gigabit Ethernet communication module, a sign driving circuit module, a bus interface module, a wireless communication module, a protection circuit module and an internal detection module.

[0026] like Figure 2 As shown, the core of the cabin area management and distribution device is the core processor module. The advantage of the core processor module is that the circuit is independent and contains peripheral circuits such as storage. The core processor module is compatible with both the interface form that meets the functions of the cabin area management and distribution device and other interface forms such as a variety of display screen interfaces and camera interfaces. It has a graphics processing function and supports the expansion of the later functions of the cabin area management and distribution device. The core processor module has a powerful data processing function. It communicates with external core layer devices and terminal layer devices through the Gigabit Ethernet communication module, and communicates with external terminal layer devices through the bus interface module and the wireless communication module. It can receive data from various core layer devices and terminal layer devices, and process and transmit them. In addition, the core processor module supports a variety of debugging interface transmissions, which can realize the debugging work of the cabin area management and distribution device such as uploading, downloading, and monitoring.

[0027] The core processor module interacts with the core layer devices and some terminal layer devices through Gigabit Ethernet. Multiple cabin area management and distribution devices form a daisy chain with the core layer devices through Gigabit Ethernet. Each cabin area management and distribution device forms a daisy chain with multiple terminal layer devices through Gigabit Ethernet, and exchanges data with the core layer devices and terminal layer devices through regional network switching and networking functions. The Gigabit Ethernet communication module has the function of a switch, which can convert the 1-channel Gigabit Ethernet data from the core processing module into multiple channels of Gigabit Ethernet data. The Gigabit Ethernet communication module supports static routing, RIPV1 / V2, VRRP, PIM and other three-layer routing, supports IPv6 protocol, and has 24 Ethernet interfaces, supports 10M, 100M, and Gigabit Ethernet data transmission, and has high interface scalability.

[0028] In addition to interacting through the Gigabit Ethernet communication module, the core processor module and the terminal layer equipment also interact through the bus interface module and the wireless communication module. The bus interface module supports a variety of bus interfaces, including RS485 interface, ARINC429 interface and CAN bus interface, meeting the corresponding data transmission standards. The bus interface module has lightning protection circuits and filter protection circuits for different bus interfaces at the external interface to ensure that the signal quality of the cabin area management distribution device is not affected while providing protection. The wireless communication module includes a 5G communication module and a WIFI module. The WIFI module circuit supports dual-band, has 3 channels, and the single-channel output signal strength reaches 21dBm.

[0029] In addition, the core processor module controls the signboard drive circuit module according to the control signal input from the core layer device, realizes the individual control of the 5-way signboard, and provides a stable drive voltage for the signboard. The signboard drive circuit can drive the signboard to flash.

[0030] like Figure 2 As shown, the onboard power supply equipment provides external power supply for the cabin area management distribution device. The external power supply enters the power module after being protected by the protection circuit. The power module converts the external voltage into a suitable internal voltage through the boost and buck function, and supplies power to each module inside the cabin area management distribution device.

[0031] The power module has one input and multiple outputs and is composed of multiple integrated devices that meet the requirements, making the power module compact, thereby effectively improving the space utilization of the equipment. At the cost of occupying the smallest space, it provides internal adjustment voltage for normal operation of various functional modules of the cabin area management distribution device.

[0032] The protection circuit module is a protection circuit inside the cabin area management and distribution device, including power supply interface protection, filter protection, surge protection, lightning protection, and 200ms power-off protection. When the external voltage is overvoltage or undervoltage, the power supply interface protection will stop supplying power to prevent the impact on the rear-end load equipment. After the fault is eliminated, the power supply can be restored manually or the core processor module can monitor the power supply protection to automatically restore the power supply. When a short circuit or low impedance of a cabin device causes overcurrent, the interface protection can immediately cut off the power supply of the line without affecting the normal power supply of other lines. After the fault is eliminated, the power supply of the line can be restored by manual recovery and automatic recovery. In addition, the protection circuit module has a filter circuit, which can filter and protect the external input and internal output voltages to prevent external interference from entering the circuit and prevent internal interference from affecting the external circuit. Combined with surge protection and lightning protection, it can ensure that the cabin area management and distribution device has high reliability and can adapt to various extreme situations during the flight of the aircraft.

[0033] The internal detection module is distributed in various interfaces and near the circuits that need to be detected. It is composed of various detection circuits and can realize real-time detection of important areas inside the cabin area management distribution device. The detected data information includes temperature, voltage, current, etc., and the detected data is transmitted to the core processor module. When the detected data exceeds the limit of the core processor, the core processor module will send information to the core layer equipment, which helps the on-board crew and maintenance personnel to find problems in time. In addition, the detection data will be stored as a log to help maintenance personnel quickly locate the cause of the problem.

[0034] See also Figure 3 , Figure 4 As shown above, in summary, the cabin area management distribution device has multiple functions, small size, light weight, and can perform regional network exchange and networking functions through multi-layer daisy chains, playing the role of a bridge connecting core layer devices and terminal layer devices. The cabin area management distribution device has multiple data conversion forms, supports common airborne data transmission types such as Gigabit Ethernet, RS485 bus, CAN bus, ARINC429 bus, and also supports terminal devices for WIFI communication and 5G communication. The independent design of the core processor module of the cabin area management distribution device and the network port reservation of the Gigabit Ethernet communication module provide the possibility for the expansion of the data type and number of interfaces of the cabin area management distribution device in the later stage. The cabin area management distribution device can provide a stable output voltage for 5-way signs, support single-way control of signs and flashing control of signs. In addition, the cabin area management distribution device can also provide output voltages that meet the requirements for 10-way airborne equipment, and the power supply interface has overvoltage and undervoltage protection functions, and each power supply has an independent overcurrent protection function. In addition to the power supply interface protection, the cabin area management and distribution device is also designed with many other protections, such as filter protection, surge protection, 200ms power failure protection, lightning protection, etc. In addition, the cabin area management and distribution device has a detection module inside to monitor the temperature, voltage, current and other information inside the device in real time, and can report in time when the equipment is abnormal.

Claims

1. A cabin area management and allocation device for a wide-body aircraft, characterized in that It includes core processor module, Gigabit Ethernet communication module, bus interface module and wireless communication module; The core processor module communicates with external core layer devices and terminal layer devices through the Gigabit Ethernet communication module, and communicates with external terminal layer devices through the bus interface module and the wireless communication module. It can receive data from various core layer devices and terminal layer devices, and process and transmit them; among which: The Gigabit Ethernet communication module has the function of a switch, which converts the 1-channel Gigabit Ethernet data from the core processing module into multiple-channel Gigabit Ethernet data. The Gigabit Ethernet communication module supports static routing, RIPV1 / V2, VRRP, PIM routing, and IPv6 protocol. The Gigabit Ethernet communication module has 24 Ethernet interfaces and supports 10M, 100M, and Gigabit Ethernet data transmission. The bus interface module includes RS485 interface, ARINC429 interface and CAN bus interface, meeting the corresponding data transmission standards.

2. A cabin area management and allocation device for a wide-body aircraft according to claim 1, characterized in that The core processor module is an independent processor circuit that includes storage functions. It is not only compatible with RGMII interface, serial port, CAN, and SPI interface, but also compatible with a variety of display interfaces and camera interfaces. It has graphics processing capabilities and can provide support for subsequent interface expansion.

3. A cabin area management and allocation device for a wide-body aircraft according to claim 1, characterized in that Multiple cabin area management and distribution devices form a daisy chain with core layer devices through Gigabit Ethernet. Each cabin area management and distribution device forms a daisy chain with multiple terminal layer devices through Gigabit Ethernet, and exchanges data with core layer devices and terminal layer devices through regional network switching and networking functions.

4. A cabin area management and allocation device for a wide-body aircraft according to claim 1, characterized in that The bus interface module has lightning protection circuits and filtering protection circuits for different bus interfaces at the external interface.

5. A cabin area management and allocation device for a wide-body aircraft according to claim 1, characterized in that The wireless communication module includes a 5G communication module and a WIFI module, wherein the WIFI module circuit supports dual-band and has 3 channels.

6. A cabin area management and allocation device for a wide-body aircraft according to claim 1, characterized in that It also includes a signboard driving circuit module. The core processor module controls the signboard driving circuit module to provide driving voltage for multiple signboards according to the control signal input by the core layer device, so as to drive the signboards to flash.

7. A cabin area management and allocation device for a wide-body aircraft according to claim 1, characterized in that It also includes a protection circuit module and a power supply module. The external power supply enters the power supply module after being protected by the protection circuit. The power supply module converts the external voltage into a suitable internal voltage through the boost and buck functions, and supplies power to each module inside the cabin area management distribution device.

8. A cabin area management and allocation device for a wide-body aircraft according to claim 7, characterized in that The protection circuit module includes power supply interface protection, filter protection, surge protection, lightning protection and 200ms power off protection; The power supply interface protection will stop supplying power when the external voltage is overvoltage or undervoltage, or when a short circuit occurs in the terminal layer equipment, causing low impedance and overcurrent. After the fault is eliminated, the power supply can be restored manually or automatically by the core processor module through monitoring the power supply protection.

9. A cabin area management and allocation device for a wide-body aircraft according to claim 1, characterized in that It also includes an internal detection module, which is distributed in various interfaces and near the circuits that need to be detected. The internal detection module transmits the detected data to the core processor module. When the detected data is abnormal, the core processor module sends information to the core layer device.

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