CN109835493A - Airborne power supply modules in comprehensively modularized avionics system - Google Patents
Airborne power supply modules in comprehensively modularized avionics system Download PDFInfo
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- CN109835493A CN109835493A CN201910085872.5A CN201910085872A CN109835493A CN 109835493 A CN109835493 A CN 109835493A CN 201910085872 A CN201910085872 A CN 201910085872A CN 109835493 A CN109835493 A CN 109835493A
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Abstract
The invention discloses the power modules in a kind of comprehensively modularized avionics system, include RTC chip, chip temperature, memory and primary processor, and the primary processor executes following procedure step: step 1: hardware resource initialization；Step 2: the status data when not receiving the request that general purpose processing block is sent, on real-time update memory；The status data includes the clock data on RTC chip, the temperature information on chip temperature, each slot position upper module information in place and tired temporal information；Step 3: when receiving the request that general purpose processing block is sent, correlated condition is read from memory according to the content of request and is uploaded to general purpose processing block, or the power supply of each slot position of control enables.The present invention realizes the functions such as power supply health monitoring, fault management.
Description
Technical field
The invention belongs to the airborne computer field in avionics system, in particular to it is a kind of based on single-chip microcontroller operation
Airborne power supply modules in comprehensively modularized avionics system (IMA), the airborne power supply modules realize power supply health monitoring,
The functions such as fault management improve the reliability of airborne power supply modules.
Background technique
With the rapid development of comprehensively modularized avionics system, avionic device is intended to complication, synthesization
Development, the research of health control and fault detection technique accordingly, for avionic device and application just seem ever more important.
However for the IMA equipment of early stage, IMA equipment rests on simple physical synthesis stage, physical synthesis and part
In the two stages in function synthesized stage, the integrating paradigm of system is smaller, and comprehensive level is shallower, more and more inadaptable current
IMA device requirement.The IMA technology of current increasingly synthesization and complication puts forward new requirements its airborne power supply modules:
A) high efficiency and reliability of power supply power supply are ensured；
B) it is able to carry out maintenance self-test management；
C) networking, intelligentized health monitoring management；
D) necessary fault detection and Fault Isolation can be carried out；
E) number and time management are powered on；
F) it can be communicated with corresponding airline electronic equipment.
The present invention is directed to above-mentioned requirements, proposes a kind of airborne power supply modules based on STM32 single-chip microcontroller, not only realizes
Other than power supply power supply function, the functions such as power supply health monitoring, fault management are also achieved.
Summary of the invention
Goal of the invention of the invention is to provide the power module in a kind of comprehensively modularized avionics system, in addition to base
Outside the function of supplying power of plinth, health monitoring function and fault detection capability are additionally provided.The airborne power supply modules can be to a certain degree
The upper intelligence degree for increasing power module, which is applied on IMA platform, on the one hand can effectively be ensured
On the other hand power supply power supply on IMA platform can also provide health monitoring and fault detection capability for IMA platform, improve IMA and produce
The technical maturity and intelligent level of product.
Goal of the invention of the invention is achieved through the following technical solutions:
A kind of power module in comprehensively modularized avionics system, includes RTC chip, chip temperature, memory
And primary processor, it is characterised in that the primary processor executes following procedure step:
Step 1: hardware resource initialization；
Step 2: the status data when not receiving the request that general purpose processing block is sent, on real-time update memory；
The status data includes clock data, the temperature information on chip temperature, each slot position upper module information in place on RTC chip
And tired temporal information；
Step 3: it when receiving the request that general purpose processing block is sent, is read from memory according to the content of request
Relevant state data is uploaded to general purpose processing block, or the power supply of each slot position of control enables.
Further, it in step 3, operates, obtained simultaneously also according to the motor/fan on the content-control motor module of request
Upload motor/fan-status information on motor module.
Further, power module has two, one of them is main power source module, another is standby power supply module, works as master
When power module occurs intentional, start standby power supply module.
Further, power module and two general purpose processing blocks communicate, one of them is main general purpose processing block, another
For spare general purpose processing block, when main general purpose processing block breaks down, power module and spare general purpose processing block are communicated.
The beneficial effects of the present invention are:
A) due to the implementation using the independent intelligent control management of airborne power supply based on STM32 single-chip microcontroller, the present invention
The power supply control mode of power supply management is only provided compared to traditional, there is biggish mention in terms of the intelligence degree of power module
It rises.STM32 single-chip microcontroller individually controls power module power supply and enables, powers on number and time management etc., in optimization IMA platform power
While control mode, design difficulty is reduced.
B) since the entirety to be matched using power module and RTC, EEPROM, motor module, general procedure mode etc. is set
Meter scheme, the present invention compare conventional power source control mode, meet basis power supply under the premise of, realize power supply health monitoring,
The functions such as fault management improve technical maturity and intelligent level in terms of IMA product interior power.
C) due to the implementation using the control management of airborne power supply autonomous intelligence, the present invention is hard compared to traditional only offer
The power supply control mode that part interface is used for platform software, IMA platform software developer no longer will excessively pay close attention to power supply power supply, event
Writing for the bottom codes details such as barrier detection, health monitoring, is absorbed in platform software architecture design and code development, it is helped to mention
The software design level of height itself.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the power module in comprehensively modularized avionics system.
Fig. 2 is the communication schematic diagram of the power module in comprehensively modularized avionics system.
Fig. 3 is the software flow schematic diagram on primary processor.
Fig. 4 is PCM communication protocol format.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
Power module in a kind of comprehensively modularized avionics system provided by the present embodiment, in addition to ensureing that IMA is flat
The power supply power supply of platform, power module are also equipped with health monitoring and fault detection capability, and specifically including power module can real-time detection
Each slot position, which is powered, in IMA platform cabinet enables situation and module information in place；Power module can provide RTC information, when realization
Between manage；Power module, which can be realized, powers on number and tired time management；Power module can be with general purpose processing block, motor control
Module communicates etc..Shown in Figure 1, power module includes RTC chip (DS1339), chip temperature (MAX1989), storage
Device chip, primary processor (STM32 single-chip microcontroller).
Communication interface framework relationship between power module (PCM) and general purpose processing block (GPM), motor module (MDM)
As shown in Figure 2.PCM establishes communication network by iic bus mode and GPM；Communication network is established by iic bus and MDM.Most
In the case of simple system requirements, PCM module includes main power source module PCM1 and backup battery module PCM2, wherein each PCM module
It can be communicated at least two GPM modules；With a MDM module into communication.
At least there are 3 to stay iic bus interface for PCM module, wherein two-way between PCM and GPM communication (IPMA-A,
IPMB-B), all the way for the communication (IPMC-C) between PCM and MDM.
In IPMA-A communication network, GPM1 serves as the main equipment of communication network, and other equipment are served as from equipment, and GPM1 passes through
Network-control PCM1 and PCM2；Similarly, in IPMB-B communication network, GPM2 serves as the main equipment of communication network, other equipment
It serves as from equipment, GPM1 passes through network-control PCM1 and PCM2.It is logical that PCM1, PCM2 and MDM establish two independent IIC respectively
It interrogates network (IPMC-C), in the network, PCM serves as the main equipment of communication network, and MDM is served as from equipment.
Shown in Figure 3, the software flow that primary processor executes on power module comprises the steps of:
Step 1: hardware resource initialization；
Step 2: the status data when not receiving the request that general purpose processing block is sent, on real-time update memory；
The status data includes clock data, temperature information, each slot position upper module information in place and tired temporal information.Clock number
According to RTC chip is derived from, temperature data derives from chip temperature, and each slot position module information in place is by reading in PCM module
GPIO discrete magnitude obtain；Tired temporal information includes that PCM module power-on time cusum and PCM power on number.
Step 3: it when receiving the request that general purpose processing block is sent, is read from memory according to the content of request
Correlated condition be uploaded to general purpose processing block or each slot position of control power supply is enabled or control motor module on motor/
Fan operation, acquisition simultaneously upload motor on motor module/fan-status information.
Due to there is IIC communication between PCM and GPM1, GPM2, MDM, IIC communication needs to establish communication protocol.PCM with
First kind communication protocol is established between GPM1, GPM2, establishes the second class communication protocol between MDM, under these two types of communication protocols
Communication frame format, as shown in Figure 4.
A) SOF: bebinning character, IIC is communicated for identification；
B) SIZE: effective Payload length；
C) Payload:IIC communicates effective content, and wherein first character section is fixed as Type, to describe action type；
As shown in the table.
D) CRC: examining and CRC16, CRC32 is supported to examine.
1 dtd--data type definition of table
Table 2 obtains STM32 on PCM and corresponds to BIT instruction
Table 3 uploads STM32 on PCM and corresponds to BIT instruction
Note: 0~temperature information of internal temperature information 4:
It is currently in and only monitors, not state of a control, it is subsequent to determine the need for that monitoring temperature part is added according to demand
Table 4 obtains tired designation date instruction on PCM
Table 5 uploads tired designation date instruction on PCM
Note: fatigue instruction information is stored in a UINT32 unit, is uploaded by 4 bytes, unit is the second.
Table 6 obtains RTC clock data on PCM
Table 7 uploads RTC clock data on PCM
RTC clock data on PCM are arranged in table 8
Table 9 obtains each slot position module information in place
Table 10 uploads each slot position module information in place
Note: non-zero x0 is represented, and 0x0 representative does not exist；For PCM1/PCM2, its own information in place is invalid
It is enabled that power supply power supply is arranged in table 11
Table 12 is arranged electric motor fan and operates
Note:
It is arranged in electric motor fan operational order, configures frequency and configuration duty ratio is all to carry out relevant parameter to fan to match
It sets, (not influenced by configuration data) is arranged by MDM software in the frequency and duty ratio of motor positive and inverse.
Configure frequency suggested range: 800-1000hz, default value are 1000hz
Configure duty ratio suggested range: 55%-85%, default value are 70%
Table 13 obtains electric motor fan status information
Table 14 uploads electric motor fan status information
Table 15 obtains power supply power supply enabled state information
Table 16 uploads power supply power supply enabled state information
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement all should belong to the guarantor of appended claims of the invention
Protect range.
Claims (5)
1. the power module in a kind of comprehensively modularized avionics system, include RTC chip, chip temperature, memory and
Primary processor, it is characterised in that the primary processor executes following procedure step:
Step 1: hardware resource initialization；
Step 2: the status data when not receiving the request that general purpose processing block is sent, on real-time update memory；It is described
Status data include RTC chip on clock data, the temperature information on chip temperature, each slot position upper module information in place and
Tired temporal information；
Step 3: when receiving the request that general purpose processing block is sent, correlation is read from memory according to the content of request
Status data is uploaded to general purpose processing block, or the power supply of each slot position of control enables.
2. the power module in a kind of comprehensively modularized avionics system according to claim 1, it is characterised in that institute
It states in step 3, operates, obtains and upload on motor module also according to the motor/fan on the content-control motor module of request
Motor/fan status information.
3. the power module in a kind of comprehensively modularized avionics system according to claim 1, it is characterised in that institute
Stating power module has two, one of them is main power source module, another is standby power supply module, when event occurs in main power source module
When meaning, start standby power supply module.
4. the power module in a kind of comprehensively modularized avionics system according to claim 1, it is characterised in that institute
It states power module and two general purpose processing blocks communicates, one of them is main general purpose processing block, another is spare general place
Module is managed, when main general purpose processing block breaks down, power module and spare general purpose processing block are communicated.
5. the power module in a kind of comprehensively modularized avionics system according to claim 1, it is characterised in that institute
Stating primary processor is STM32 single-chip microcontroller.
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| EP0171418A1 (en) * | 1984-02-06 | 1986-02-19 | Sundstrand Data Control, Inc. | Crash survivable solid state memory for aircraft flight data recorder systems |
| CN1921260A (en) * | 2006-09-01 | 2007-02-28 | 桂林航天电子有限公司 | Intelligent power distribution administrative center |
| CN204489201U (en) * | 2015-03-27 | 2015-07-22 | 广西大学 | Based on the quadrotor flight system of STM32 |
| CN104803002A (en) * | 2014-01-23 | 2015-07-29 | 桂林鑫鹰电子科技有限公司 | Unmanned aerial vehicle redundant power supply device |
| CN106541847A (en) * | 2016-12-09 | 2017-03-29 | 惠州市丝鹭新能源科技有限公司 | A kind of electric automobile direct current integrated charger panel |
| CN106940669A (en) * | 2017-03-13 | 2017-07-11 | 郑州云海信息技术有限公司 | A kind of PCIe slot position automatic testing method in place |
| FR3049790A1 (en) * | 2016-03-31 | 2017-10-06 | Sagem Defense Securite | DEVICE FOR TRANSMITTING BY LINE CURRENTS IN AN AIRCRAFT |
| CN108091179A (en) * | 2017-12-15 | 2018-05-29 | 中国民用航空飞行学院 | Aircraft flight real-time status monitoring system based on ATG technologies |
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2019
- 2019-01-29 CN CN201910085872.5A patent/CN109835493B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0171418A1 (en) * | 1984-02-06 | 1986-02-19 | Sundstrand Data Control, Inc. | Crash survivable solid state memory for aircraft flight data recorder systems |
| CN1921260A (en) * | 2006-09-01 | 2007-02-28 | 桂林航天电子有限公司 | Intelligent power distribution administrative center |
| CN104803002A (en) * | 2014-01-23 | 2015-07-29 | 桂林鑫鹰电子科技有限公司 | Unmanned aerial vehicle redundant power supply device |
| CN204489201U (en) * | 2015-03-27 | 2015-07-22 | 广西大学 | Based on the quadrotor flight system of STM32 |
| FR3049790A1 (en) * | 2016-03-31 | 2017-10-06 | Sagem Defense Securite | DEVICE FOR TRANSMITTING BY LINE CURRENTS IN AN AIRCRAFT |
| CN106541847A (en) * | 2016-12-09 | 2017-03-29 | 惠州市丝鹭新能源科技有限公司 | A kind of electric automobile direct current integrated charger panel |
| CN106940669A (en) * | 2017-03-13 | 2017-07-11 | 郑州云海信息技术有限公司 | A kind of PCIe slot position automatic testing method in place |
| CN108091179A (en) * | 2017-12-15 | 2018-05-29 | 中国民用航空飞行学院 | Aircraft flight real-time status monitoring system based on ATG technologies |
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