CN112286033A - Time system device based on distributed acquisition record - Google Patents
Time system device based on distributed acquisition record Download PDFInfo
- Publication number
- CN112286033A CN112286033A CN202010820192.6A CN202010820192A CN112286033A CN 112286033 A CN112286033 A CN 112286033A CN 202010820192 A CN202010820192 A CN 202010820192A CN 112286033 A CN112286033 A CN 112286033A
- Authority
- CN
- China
- Prior art keywords
- time
- decoding
- module
- time information
- modules
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012545 processing Methods 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G7/00—Synchronisation
Abstract
The embodiment of the invention provides a time system device based on distributed acquisition records, which belongs to the technical field of avionics and comprises a time scale coding module and a coding and decoding module; the coding and decoding module comprises a coding module, at least one group of decoding modules, at least one group of time mark error processing modules and at least one group of time mark circuits; the encoding module is used for encoding the time information to generate encoded time information; the time mark circuit is used for transmitting the encoded time information to the decoding module; the decoding module is used for decoding the encoded time information; the time mark error processing module is used for judging that the coded time information is in error when even check error and/or time interval error occur in the coded time information; the time scale circuit transmits the time information to the time scale decoding module by using the differential driver. The invention has stronger anti-interference and expansion capability, can cover other acquisition and recording equipment in the system and has high time precision. The time dependence of the aircraft recording parameters can be greatly improved.
Description
Technical Field
The invention relates to the technical field of avionics, in particular to a time system device based on distributed acquisition records.
Background
With the rapid development of electronic technology, the parameters required to collect records on an airplane have been developed from the first tens to thousands. The parameters come from the information of each system/device on the airplane, and the time correlation among the parameters has great significance for airplane training, maintenance and accident analysis.
In the traditional time scale unifying method, pulse square wave signals are adopted to realize time scale unification in single acquisition equipment, but the anti-interference and expansion capabilities are limited, and the time precision is limited.
Disclosure of Invention
In view of this, the embodiment of the present invention provides a time system device based on distributed acquisition and recording, which has strong anti-interference and expansion capabilities, can cover other acquisition and recording devices inside the system, and has high time precision. The time dependence of the aircraft recording parameters can be greatly improved.
In order to achieve the technical purpose, the invention adopts the following specific technical scheme:
a time system device based on distributed acquisition records is characterized by comprising: the time mark coding module and the coding and decoding module;
the coding and decoding module comprises a coding module, at least one group of decoding modules, at least one group of time mark error processing modules and at least one group of time mark circuits;
the time mark coding module is used for coding the time information to generate coded time information; the time marking circuit is used for transmitting the encoded time information to the decoding module; the decoding module is used for decoding the encoded time information; the time mark error processing module is used for judging that the coded time information is in error when even check error and/or time interval error occur in the coded time information; the time scale circuit transmits the time information to the time scale decoding module by adopting a differential driver.
Furthermore, the communication rate of the differential driver is 1Mbps or more than 1 Mbps.
Further, the time system device further comprises at least one group of slave decoding modules, the slave decoding modules comprise at least one group of decoding modules, and the decoding modules of the slave decoding modules are used for decoding the encoded time information of the encoding modules of the encoding and decoding modules.
By adopting the technical scheme, the invention can bring the following beneficial effects:
the invention adopts the time scale circuit to finish time synchronization of time information, and the circuit uses the differential direct current pulse width code, has the characteristics of strong anti-interference capability, high precision, high reliability and the like, and meets the time correlation of the acquisition and recording parameters.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a diagram of the encoding format of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than the number, shape and size of the components in practical implementation, and the type, quantity and proportion of the components in practical implementation can be changed freely, and the layout of the components can be more complicated.
In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.
The embodiment of the invention provides a time system device based on distributed acquisition records, which comprises a time scale coding module and a coding and decoding module;
as shown in fig. 1, the time scale coding module is a time scale logic circuit, and is disposed on a computer module (main acquisition device), and includes an encoding module, at least one group of decoding modules, at least one group of time scale error processing modules, and at least one group of time scale circuits;
the encoding module is used for encoding the time information to generate encoded time information; the time marking circuit is used for transmitting the encoded time information to the decoding module; the decoding module is used for decoding the encoded time information; the time mark error processing module is used for judging that the coded time information is in error when even check error and/or time interval error occur in the coded time information; the time scale circuit transmits the time information to the time scale decoding module by adopting a differential driver.
Further, as shown in fig. 2, the communication rate of the differential driver is 1Mbps and over 1Mbps, and the encoding format is shown in fig. 2.
Further, the time system device further includes at least one group of slave decoding modules, as shown in fig. 1, which are disposed on the backup collecting device 1 and the local score collecting device 2, where the slave decoding modules include at least one group of decoding modules, and the decoding modules of the slave decoding modules are configured to decode the encoded time information of the encoding modules of the encoding and decoding modules.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. A time system device based on distributed acquisition records is characterized by comprising: the time mark coding module and the coding and decoding module;
the coding and decoding module comprises a coding module, at least one group of decoding modules, at least one group of time mark error processing modules and at least one group of time mark circuits;
the encoding module is used for encoding the time information to generate encoded time information; the time marking circuit is used for transmitting the encoded time information to the decoding module; the decoding module is used for decoding the encoded time information; the time mark error processing module is used for judging that the coded time information is in error when even check error and/or time interval error occur in the coded time information; the time scale circuit transmits the time information to the time scale decoding module by adopting a differential driver.
2. The distributed acquisition record-based timing device according to claim 1, wherein the communication rate of the differential driver is 1Mbps and more than 1 Mbps.
3. The distributed acquisition record-based time system device according to claim 1, further comprising at least one group of slave decoding modules, wherein the slave decoding modules comprise at least one group of decoding modules, and the decoding modules of the slave decoding modules are used for decoding the encoded time information of the encoding modules of the encoding and decoding modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010820192.6A CN112286033A (en) | 2020-08-14 | 2020-08-14 | Time system device based on distributed acquisition record |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010820192.6A CN112286033A (en) | 2020-08-14 | 2020-08-14 | Time system device based on distributed acquisition record |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112286033A true CN112286033A (en) | 2021-01-29 |
Family
ID=74420291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010820192.6A Pending CN112286033A (en) | 2020-08-14 | 2020-08-14 | Time system device based on distributed acquisition record |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112286033A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1684010A (en) * | 2003-12-08 | 2005-10-19 | Atmel德国有限公司 | Receiver circuit for radio clock and method for operating receiving circuit |
| CN102480331A (en) * | 2010-11-26 | 2012-05-30 | 西门子公司 | Arrangement and method for interchanging time markers |
| CN104375496A (en) * | 2014-12-08 | 2015-02-25 | 中国石油天然气集团公司 | Distributed control system and control method implemented by same |
| CN104461793A (en) * | 2014-12-05 | 2015-03-25 | 中国航空工业集团公司第六三一研究所 | High-reliability multinode fault-tolerant computer system and synchronization method |
| CN105262964A (en) * | 2014-07-09 | 2016-01-20 | 瑞萨电子株式会社 | Solid-state imaging device, image data transmission method, and camera system |
| CN111193514A (en) * | 2019-10-25 | 2020-05-22 | 电子科技大学 | High-synchronization-precision IRIG-B encoder |
-
2020
- 2020-08-14 CN CN202010820192.6A patent/CN112286033A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1684010A (en) * | 2003-12-08 | 2005-10-19 | Atmel德国有限公司 | Receiver circuit for radio clock and method for operating receiving circuit |
| CN102480331A (en) * | 2010-11-26 | 2012-05-30 | 西门子公司 | Arrangement and method for interchanging time markers |
| CN105262964A (en) * | 2014-07-09 | 2016-01-20 | 瑞萨电子株式会社 | Solid-state imaging device, image data transmission method, and camera system |
| CN104461793A (en) * | 2014-12-05 | 2015-03-25 | 中国航空工业集团公司第六三一研究所 | High-reliability multinode fault-tolerant computer system and synchronization method |
| CN104375496A (en) * | 2014-12-08 | 2015-02-25 | 中国石油天然气集团公司 | Distributed control system and control method implemented by same |
| CN111193514A (en) * | 2019-10-25 | 2020-05-22 | 电子科技大学 | High-synchronization-precision IRIG-B encoder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108226921A (en) | Secondary radar information processing system based on CPU and GPU architecture | |
| CN113885394A (en) | Airborne data comprehensive acquisition and recording system and method | |
| CN106597419A (en) | Underground coal mine accurate positioning method without clock synchronization | |
| CN102013119B (en) | Signal downlink method and device of electronic toll collection (ETC) road side unit and ETC method | |
| CN101211184A (en) | Affair sequential record method | |
| CN112286033A (en) | Time system device based on distributed acquisition record | |
| CN109067676A (en) | A kind of satellite navigation signals high-precision time domain performance estimating method | |
| CN108334049B (en) | Vehicle fault data management method and device | |
| CN201732158U (en) | Self-checking device | |
| CN102394655A (en) | Manchester code converting method on MIC bus | |
| CN106201965B (en) | A kind of interior external clock source switching device and switching method based on IRIG-B | |
| US20120075985A1 (en) | Method and apparatus for multiplexing and demultiplexing multi-channel signals and system for transmitting multi-channel signals | |
| CN108334469A (en) | A kind of mthods, systems and devices of high-speed differential serial data transmission | |
| US8942300B1 (en) | Integrated digitizer system with streaming interface | |
| CN104683090A (en) | Expandable clock monitoring device and method | |
| CN216210579U (en) | Airborne data comprehensive acquisition and recording system | |
| CN106126466B (en) | A kind of parallel data becomes the transmission method of serial data | |
| US6643788B1 (en) | Method for detecting a number of consecutive valid data frames and advancing into a lock mode to monitor synchronization patterns within a synchronization window | |
| CN207098602U (en) | A kind of equipment for protecting optical fibre longitudinal difference | |
| CN102923166A (en) | Main plug-in connector for integrated train overspeed protection equipment | |
| CN102087757B (en) | Signal downlink method and device of electronic toll collection road side unit | |
| Tan et al. | Design and reliability, availability, maintainability, and safety analysis of a high availability quadruple vital computer system | |
| Tan et al. | Design and reliability, availability, maintainability, and safety analysis of a high availability quadruple vital computer system | |
| CN111614355B (en) | Data transmission device, analog-digital converter and radar system | |
| CN116781184B (en) | Software-defined frame burst radio frequency signal simulation method, medium and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210129 |