CN114157008A - Airborne multi-mode hybrid multiplexing communication device - Google Patents
Airborne multi-mode hybrid multiplexing communication device Download PDFInfo
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- CN114157008A CN114157008A CN202111385387.3A CN202111385387A CN114157008A CN 114157008 A CN114157008 A CN 114157008A CN 202111385387 A CN202111385387 A CN 202111385387A CN 114157008 A CN114157008 A CN 114157008A
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- 230000007246 mechanism Effects 0.000 abstract description 5
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/248—UPS systems or standby or emergency generators
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Abstract
The application belongs to the technical field of aircraft design, and particularly relates to an airborne multi-mode hybrid multiplexing communication device. The control module comprises a main processor, an SSPC unit, a switching control module and a data processing module, wherein the main processor is used for controlling each switching control module to switch a first end of a first type of switch between a power supply link and a communication link, and a second end of the first type of switch is connected with the lower micro-control device; the lower micro-control device comprises a second type of change-over switch, one end of the second type of change-over switch is connected with the first type of change-over switch, the other end of the second type of change-over switch is switched between the charging link and the communication link, the other end of the charging link is connected with a rechargeable battery module, and the rechargeable battery module is further connected with a plurality of data processing modules. This application has reduced the weight of cable on the machine through single-line communication, simultaneously because the unity of communication mechanism and equipment, maintainability has also obtained corresponding promotion.
Description
Technical Field
The application belongs to the technical field of aircraft design, and particularly relates to an airborne multi-mode hybrid multiplexing communication device.
Background
At present, the electrification degree of the airplane is rapidly improved, a multi-electric airplane or even a full-electric airplane appears, the power of an airborne system is continuously improved along with the technical development, the airborne system is a typical redundant system, the airborne wiring harness is larger and bulkier, and the on-board wiring harness becomes an important restriction for reducing the weight of the airplane. The pressure on the whole wiring harness laying installation is smaller as the number of the wiring harnesses on the aircraft is smaller, and the wiring harnesses are large in number and extremely difficult to maintain and upgrade, so that the complexity of maintenance and updating of the onboard wiring harnesses can be greatly reduced due to the reduction of the number of the wiring harnesses. At present, a 422 bus is used as a main bus for airborne communication, 4 wire harnesses are needed for communication between an upper computer and a lower computer, and an extra 28V power supply wire harness is needed for supplying power to the lower computer.
The 28V power supply of airborne equipment is carried out 28V power supply management by distribution device, accomplishes RS422A bus communication management, load management, gathers discrete magnitude analog signal, and fault data record, self-checking accomplishes SSPC control management and protection, carries out SSPC state monitoring, handles SSPC work information and fault information. The airborne computer and each subsystem carry out information interaction through hard wires and buses, and communicate with a lower micro-control device through 422, the acquisition cycle of hard wire signals is generally 2.5ms, the software operation cycle is 10ms, and the operation cycle of the computer is far less than the requirement of equipment state change to be monitored, so that data acquired by the airborne computer are redundant data.
Aiming at the problem of Wiring harnesses, aircraft designers and researchers provide an optimization scheme to implement comprehensive design of Wiring harnesses, namely, EWIS (Electrical Wiring Interconnection Systems, abbreviated as EWIS), carry out comprehensive design and integration on the onboard Wiring harnesses, generally carry out subsystem integration, subsystem integration and area integration to full-machine integration in the sequence from small to large, simultaneously carry out design of a plurality of algorithm types in the comprehensive design of the Wiring harnesses, and assist the designers to lay the Wiring harnesses under the boundary limitation of onboard laying rules by using computer algorithms such as optimal path planning and the like.
With the increase of complexity and the number of nodes of the airborne network, the number of airborne harnesses is continuously increased. With the current weight reduction of the airborne wiring harness, the comprehensive design is mainly focused on the comprehensive design of the aircraft wiring harness, although the airborne wiring harness can be reduced to the maximum extent by the comprehensive design, the optimization degree is relatively limited with the increase of the number of the airborne wiring harness, and therefore the reduction of the airborne wiring harness and the improvement of the maintainability of the wiring harness become problems which need to be further analyzed and solved.
The airborne control device, the components and the airborne wiring harness supplement each other, the wiring harness is used for realizing connection of functions of communication, power supply and the like of the airborne device, so that the airborne wiring harness, the airborne control device and the components are increased in quantity and complexity at the same time, and the cost and the complexity are greatly improved along with the increase of the electrification degree of the airplane.
Disclosure of Invention
The signal acquisition of the airborne system mainly comprises that a power supply cable mainly comprises high-voltage 270V and low-voltage 28V, and because all signals are output on the aircraft, the equipment which carries out signal communication with the airborne computer through a wiring harness basically needs 28V power supply, the multiplexing power supply wiring harness becomes a feasible scheme for reducing the airborne wiring harness and improving the equipment integration.
The application provides an airborne multi-mode hybrid multiplexing communication device based on a communication subject framework of single bus and airborne 28V power supply harness multiplexing, which mainly comprises:
the control module comprises a main processor, SSPC units, switching control modules and data processing modules, wherein the main processor is used for controlling each switching control module to switch a first end of a first type of switch between a power supply link and a communication link, a second end of the first type of switch is connected with a lower micro-control device, the first type of switch is connected with the SSPC units through the power supply link, the SSPC units are connected with an onboard 28V power supply, the first type of switch is connected with the data processing modules through the communication link, the data processing modules are connected with the main processor, and the main processor supplies power through the onboard 28V power supply;
the lower micro-control device comprises a second type of change-over switch, one end of the second type of change-over switch is connected with the first type of change-over switch, the other end of the second type of change-over switch is switched between a charging link and a communication link, the other end of the charging link is connected with a rechargeable battery module, the rechargeable battery module is further connected with a plurality of data processing modules, and the plurality of data processing modules are connected with the second type of change-over switch through the communication link.
Preferably, the main processor is connected to each switching control module through a switching master control module, and each switching control module is used for controlling one first type of switch.
Preferably, the main processor and the data processing module, and the data processing module and the first type of diverter switch are both in bidirectional communication.
Preferably, the main processor is connected to the SSPC unit through an onboard 28V power supply, and is configured to complete SSPC channel control management and protection algorithms, collect SSPC load current, monitor SSPC state, and report SSPC working information and fault information through communication.
Preferably, the data processing module of the lower micro-control device includes a data sending module, a data extracting module and a control storage module, the data extracting module is configured to perform data identification on the extracted information in the main processor, the identified data is processed and stored by the control storage module, and the data is retransmitted through the data sending module.
Preferably, when the lower micro-control device feeds back the information of insufficient electric quantity or reaches a preset communication and power supply switching period, the control module sends handshake information to the lower micro-control device, and the lower micro-control device switch to the charging mode after multi-period handshake confirmation.
Preferably, in the charging mode, the lower micro-control device directly switches the second type of switch to the charging link, and the control module delays for one communication cycle and then switches the first type of switch to the power supply link.
Preferably, a unidirectional diode is disposed between the rechargeable battery module and the second type of changeover switch.
Preferably, the rechargeable battery modules are arranged in two, and the two rechargeable battery modules are arranged in parallel to realize dual-redundancy power supply.
This application passes through single line communication, and the weight of the cable on the machine that has significantly reduced can become unified single line total accuse by multiple communication mode and many communication cables on the machine, and multiple fundamentally has reduced machine and has carried cable quantity. Meanwhile, due to the unification of a communication mechanism and equipment, the maintainability is correspondingly improved.
Drawings
Fig. 1 is a system architecture diagram of a preferred embodiment of the present on-board multi-modal hybrid multiplexing communication device.
Fig. 2 is a schematic structural diagram of a rechargeable battery module according to the embodiment shown in fig. 1.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all embodiments of the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application, and should not be construed as limiting the present application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Embodiments of the present application will be described in detail below with reference to the drawings.
The application provides an airborne multi-modal hybrid multiplexing communication device, as shown in fig. 1, mainly including:
the control module comprises a main processor, SSPC units, switching control modules and data processing modules, wherein the main processor is used for controlling each switching control module to switch a first end of a first type of switch between a power supply link and a communication link, a second end of the first type of switch is connected with a lower micro-control device, the first type of switch is connected with the SSPC units through the power supply link, the SSPC units are connected with an onboard 28V power supply, the first type of switch is connected with the data processing modules through the communication link, the data processing modules are connected with the main processor, and the main processor supplies power through the onboard 28V power supply;
the lower micro-control device comprises a second type of change-over switch, one end of the second type of change-over switch is connected with the first type of change-over switch, the other end of the second type of change-over switch is switched between a charging link and a communication link, the other end of the charging link is connected with a rechargeable battery module, the rechargeable battery module is further connected with a plurality of data processing modules, and the plurality of data processing modules are connected with the second type of change-over switch through the communication link.
In some optional embodiments, the main processor is connected to each switching control module through a switching general control module, and each switching control module is configured to control one of the first type switches.
The control module of the present application is mainly an onboard 28V power distribution management and control integrated computer, as shown in fig. 1, and the computer integrates functions and hardware of the original onboard power distribution device and the onboard computer. Because the performance of the computer processor can completely meet the use requirement of airborne computing at present, all software and drive control functions of an original airborne computer and an original airborne power distribution device can be operated by using one main processor.
And the communication between the control module and the lower micro-control device is realized through the main processor and the data processing module. Power supply management of the lower micro-control device is formed through the 28V power supply, the main processor, the switching master control module, the switching control module and the switching switch SSPC, and load management task resolving, signal acquisition, fault data recording and self-checking are completed. And the SSPC channel control management and protection algorithm is completed, the SSPC load current is collected, the SSPC state is monitored, and the SSPC working information and the fault information are reported through communication. The design of the application mainly comprises a control module and lower micro-control devices, wherein the only control module is connected with each lower micro-control device through a 28V power supply/single bus.
The control module mainly comprises a 28V power supply, a main processor, a switching module, a data processing module, a switching control module, a switch and an SSPC unit. The whole framework is divided into two parts of energy transmission and information transmission, and the upper control unit and the lower micro-control device are both realized by the same bus regardless of energy transmission or information transmission. The upper electric energy is required to be supplied with power through the onboard 28V to extract energy, the main processor controls the SSPC unit, the switching master control module and the data processing module, and the main processor controls the states of the behavior modules. Through actual condition judgment, the switching control module controls different switch positions of the selector switch, so that the switching of the upper control lower control information or energy is realized.
In some optional embodiments, the main processor and the data processing module, and the data processing module and the first type of switch are both in bidirectional communication. When the control module is required to output electric energy to the lower micro-control device, the main processor transmits the control signal to the switching master control module and the SSPC unit. The change-over switch is connected to an energy transmission framework, the control module extracts electric energy from an airborne 28V power supply grid, and the SSPC unit supplies energy to the lower micro-control unit. The SSPC unit, the switching control main module and the main processor form two-way information transmission to form a local closed loop. When the control module needs to transmit information to the lower micro-control device, the main processor transmits information to the switching master control module, and the switch is switched into an information transmission framework. The main processor and the data processing module realize bidirectional data interaction, and the data processing module and the lower micro-control device realize bidirectional information interaction.
In some optional embodiments, the data processing module of the lower micro-control device includes a data sending module, a data extracting module and a control storage module, the data extracting module is configured to perform data identification on the extracted information in the main processor, the identified data is processed and stored by the control storage module, and the data is retransmitted through the data sending module.
In this embodiment, the control switch of the lower micro-control device is controlled by the control and storage module to switch functions. In the energy supply mode, the selector switch of the lower micro-control device is switched on the rechargeable battery module, and the battery stores energy. In the data transmission mode, control information from the control module firstly enters the data extraction module for data identification, then is transferred into the control and storage module with higher reliability for processing and storage, and then is transmitted again through the data transmission module. The electric energy required by the three data processing units in the lower micro-control device in the working process is provided by the rechargeable battery module, and after the data transmission mode is finished, the battery enters the charging mode again to supply energy for the next operation of each module.
The conversion mechanism scheme of the charging and communication modes comprises the following steps: through the upper and lower bit handshake communication mechanism, the control module is used as a master control, the control module enables the selector switch to enter a communication mode, and the control module communicates with the lower micro-control device. When the lower micro-control device feeds back the information of insufficient electric quantity or reaches a preset communication and power supply switching period, the control module sends handshake information to the lower micro-control device, the two parties are confirmed to be switched into a charging mode through multi-period handshake, the lower micro-control device directly switches the switch into a charging waiting mode for protecting the lower micro-control device after the handshake confirmation, and the upper computer delays for one communication period and then switches the switch to 28V. In order to ensure that the upper communication module is not affected in a communication cycle after a delay, as shown in fig. 2, the lower micro-control device will use a diode to ensure that the battery does not flow backwards, and meanwhile, the lower rechargeable battery module uses a dual-redundancy battery to ensure redundancy power supply.
This application passes through single line communication, and the weight of the cable on the machine that has significantly reduced can become unified single line total accuse by multiple communication mode and many communication cables on the machine, and multiple fundamentally has reduced machine and has carried cable quantity. Meanwhile, due to the unification of a communication mechanism and equipment, the maintainability is correspondingly improved.
On the other hand, the single bus communication of the application can reduce the occupation of chip resources and interfaces, the chips of the upper computer and the lower computer can select the mode with smaller package and fewer interfaces, simultaneously, the complexity and the number of corresponding peripheral control circuits are greatly reduced, and the cost of the increased small battery is far less than the cost reduction relative to the chip and the control circuits. The cost is saved fundamentally, and meanwhile, the whole bus architecture is convenient for the expansion and maintenance of the whole airborne network.
Although the present application has been described in detail with respect to the general description and specific embodiments, it will be apparent to those skilled in the art that certain modifications or improvements may be made based on the present application. Accordingly, such modifications and improvements are intended to be within the scope of this invention as claimed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111385387.3A CN114157008A (en) | 2021-11-22 | 2021-11-22 | Airborne multi-mode hybrid multiplexing communication device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111385387.3A CN114157008A (en) | 2021-11-22 | 2021-11-22 | Airborne multi-mode hybrid multiplexing communication device |
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| CN101916090A (en) * | 2010-07-14 | 2010-12-15 | 北京航空航天大学 | A drone-mounted three-redundancy electrical load management center |
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| US20160049868A1 (en) * | 2014-08-14 | 2016-02-18 | Zodiac Aero Electric | System and method for controlling at least one switching device, especially for use in aircraft |
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| CN109835492A (en) * | 2017-11-24 | 2019-06-04 | 通用电气航空系统有限公司 | Method with electrical nodes and for initializing power distribution circuit |
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2021
- 2021-11-22 CN CN202111385387.3A patent/CN114157008A/en active Pending
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|---|---|---|---|---|
| CN101916090A (en) * | 2010-07-14 | 2010-12-15 | 北京航空航天大学 | A drone-mounted three-redundancy electrical load management center |
| US20160049868A1 (en) * | 2014-08-14 | 2016-02-18 | Zodiac Aero Electric | System and method for controlling at least one switching device, especially for use in aircraft |
| CN104394218A (en) * | 2014-11-28 | 2015-03-04 | 东南大学 | Distributed acquisition system powered by communication bus |
| CN109835492A (en) * | 2017-11-24 | 2019-06-04 | 通用电气航空系统有限公司 | Method with electrical nodes and for initializing power distribution circuit |
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