CN107132550A - A kind of detection circuit and detection method applied to onboard satellite antenna - Google Patents
A kind of detection circuit and detection method applied to onboard satellite antenna Download PDFInfo
- Publication number
- CN107132550A CN107132550A CN201710486610.0A CN201710486610A CN107132550A CN 107132550 A CN107132550 A CN 107132550A CN 201710486610 A CN201710486610 A CN 201710486610A CN 107132550 A CN107132550 A CN 107132550A
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- 238000001514 detection method Methods 0.000 title claims abstract description 49
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000006116 polymerization reaction Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/23—Testing, monitoring, correcting or calibrating of receiver elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2604—Test of external equipment
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Automation & Control Theory (AREA)
- Radio Relay Systems (AREA)
Abstract
The present invention relates to a kind of detection circuit and detection method applied to onboard satellite antenna, including Date Conversion Unit, Data Detection and processing unit, power detecting unit, Date Conversion Unit is divided into 422 signal data change-over circuits of 232 signal data change-over circuits of input and output, the RXD3 of 232 signal data change-over circuits, TXD3 output ends connect the PJ0 of Data Detection and processing unit respectively, PJ1 inputs, the PH0 of Data Detection and processing unit, PH1 output ends connect the RXD2 of 422 signal data change-over circuits of output respectively, TXD2 inputs, power detecting unit RESET ends are connected by data wire with the PL6 of Data Detection and processing unit, have the technical effect that, possesses reception data message, processing data information, antenna condition judges, antenna processor condition adjudgement, the functions such as power supply status judgement, also have size small simultaneously, it is low in energy consumption, adapt to the features such as 55 DEG C ~ 70 DEG C environment are used.
Description
Technical field
The detection circuit of of the invention and a kind of antenna, more particularly to a kind of detection circuit applied to onboard satellite antenna and
Detection method.
Technical background
There is the electronic equipment of hundreds of functions inside the covering of one airplane, for example：It is Radar-Communication, communication station, each
The equipment such as class navigation equipment, launching apparatus, landing equipment, time service equipment, positioning.Wherein the Big Dipper, GPS location equipment can be aircraft
The work(such as accurate positioning function, speed measuring function, timing function, ephemeris function, communication function are provided with the bomb under wing, guided missile
Energy.Reception antenna is to ensure that these functions realize an essential part, so the state of detection antenna in real time, finds in time
Antenna failure is even more the most important thing.
The content of the invention
In view of the need for actual techniques, the present invention provides a kind of detection circuit and detection side applied to onboard satellite antenna
Method, concrete technical scheme is, a kind of detection circuit applied to onboard satellite antenna, including Date Conversion Unit, Data Detection
With processing unit, power detecting unit, it is characterised in that：Date Conversion Unit be divided into input 232 signal data change-over circuits and
422 signal data change-over circuits are exported, Data Detection and processing unit input RXD3, TXD3 of 232 signal data change-over circuits
Output end connects PJ0, PJ1 input of Data Detection and processing unit respectively, and PH0, PH1 of Data Detection and processing unit are defeated
Go out RXD2, TXD2 input that end connects 422 signal data change-over circuits of output respectively, power detecting unit RESET ends pass through
Data wire is connected with the PL6 of Data Detection and processing unit.
Detection method point following steps, are 1. initialized；2. Data Detection and processing unit receive Date Conversion Unit, power supply
The data of detection unit transmission, and judge whether the data of transmission are effective, effectively then receive, it is invalid, abandon and wait significant figure
According to；3. to receiving available frame count according to basic condition adjudgement is carried out, it is divided into anti-interference unit frame data and generation Status Flag group
Into two kinds of 0808 frame data；4. anti-interference unit frame data carry out frame identification, are divided into two kinds of 6A6A frame data and 0808 frame data,
6A6A frame data buffer area and 0808 frame data buffer area are stored in respectively；5. basic shape is carried out to other valid data of reception
State judges that such as antenna terminal failure, short circuit, open circuit, power supply are led directly to；6. it is all to belong to status data, generate new state mark；⑦
Polymerization Status Flag, 0808 frame is constituted by 6A6A frame data, 0808 frame data, generation new state mark, generation Status Flag
Data aggregate, is added to data frame structure, generates 6A6A frame data, 0808 frame data of polymerization of polymerization；8. polymerization is sent
6A6A frame data, 0808 frame data of polymerization；If 9. power subsystem breaks down, the signal that power subsystem transmission comes is received
Afterwards, except generation power failure flag bit, while sending signal to antenna processor, notifier processes device switches to direct mode operation,
Avoid the idle situation of satellite antenna.
The solution have the advantages that, possess reception data message, processing data information, antenna condition and judge, at antenna
The functions such as device condition adjudgement, power supply status judgement are managed, while also having size small, low in energy consumption, adapting to -55 DEG C ~ 70 DEG C environment makes
The features such as using.
Brief description of the drawings
Fig. 1 is the functional block diagram of the present invention；
Fig. 2 is the signal data change-over circuit figure of input 232 of the present invention；
Fig. 3 is the signal data change-over circuit figure of output 422 of the present invention；
Fig. 4 is the Data Detection and processing unit circuit diagram of the present invention；
Fig. 5 is the power sense circuit figure of the present invention；
Fig. 6 is the workflow diagram of the present invention.
Embodiment
As shown in Fig. 1,2,3,4,5, including Date Conversion Unit, Data Detection and processing unit, power detecting unit, its
It is characterised by：Date Conversion Unit is divided into 422 signal data change-over circuits of 232 signal data change-over circuits of input and output, number
RXD3, TXD3 output end for inputting 232 signal data change-over circuits according to detection and processing unit connect Data Detection and place respectively
PH0, PH1 output end of PJ0, PJ1 input of reason unit, Data Detection and processing unit connect 422 signal numbers of output respectively
According to RXD2, TXD2 input of change-over circuit, power detecting unit RESET ends pass through data wire and Data Detection and processing unit
PL6 connections.
Operation principle：
Date Conversion Unit, is responsible for the reception and transmission of data, including data receiver circuit and data transtation mission circuit two parts, leads to
Two parts circuit is crossed with Data Detection and processing unit to be connected.232 signal datas of outside input are converted to TTL letters by receiving terminal
Number and be transferred to Data Detection and processing unit.The TTL signal data handled well are converted to 422 signal datas and sent by transmitting terminal
Go out.Data Detection and processing unit main control chip use AVR series A VR1280-16U chips, realize detection and the place of data
Reason.Possesses size small, low in energy consumption, environmental suitability is strong（-55℃~70℃）The features such as.
Two parts data converting circuit realizes the outside and data exchange between MCU, MCU and outside.
Power detecting unit, predominantly detects the power supply of antenna and the power supply state of antenna processor.Power supply
Unit detects 2 road power supplys in real time, and any power supply all the way does not work or broken down, and Status Flag is produced immediately and passes to data
Detection and processing unit.Status Flag passes through data wire（Network 28_DETECT）It is connected and passes with Data Detection and processing unit
Delivery data.Power sense circuit is realized to be monitored in real time to two-way power supply, and by real-time results pass to MCU carry out state sentence
It is disconnected.
Data Detection and processing unit judge the data of converting unit transmission（Judge whether frame data are effective, effectively then connect
Receive, it is invalid, abandon and wait valid data）, after finishing receiving data are carried out with basic condition adjudgement, while comprehensive real-time
The Status Flag of detection, including the short circuit of antenna, open circuit, whether whether normal, power work is normal etc. for processor work, generation
After corresponding flag bit, it is added in data frame structure, is sent to Date Conversion Unit.If power subsystem breaks down, receive
After the signal come to power subsystem transmission, except generation power failure flag bit, while sending signal to antenna processor, notify
Processor switches to direct mode operation, it is to avoid the idle situation of satellite antenna.
Claims (2)
1. a kind of detection circuit applied to onboard satellite antenna, including Date Conversion Unit, Data Detection and processing unit, electricity
Source detection unit, it is characterised in that：Date Conversion Unit is divided into 422 signal numbers of 232 signal data change-over circuits of input and output
According to change-over circuit, RXD3, TXD3 output end of Data Detection and processing unit 232 signal data change-over circuits of input are connected respectively
PH0, PH1 output end of PJ0, PJ1 input of Data Detection and processing unit, Data Detection and processing unit connect defeated respectively
Go out RXD2, TXD2 input of 422 signal data change-over circuits, power detecting unit RESET ends are examined by data wire and data
Survey the PL6 connections with processing unit.
2. using a kind of detection method of detection circuit applied to onboard satellite antenna described in claim 1, its feature exists
In：Detection method point following steps,
1. initialize；
2. Data Detection and processing unit receive Date Conversion Unit, the data of power detecting unit transmission, and judge transmission
Whether data are effective, effectively then receive, invalid, abandon and wait valid data；
3. to receiving available frame count according to basic condition adjudgement is carried out, it is divided into anti-interference unit frame data and generation Status Flag group
Into two kinds of 0808 frame data；
4. anti-interference unit frame data carry out frame identification, be divided into two kinds of 6A6A frame data and 0808 frame data, 6A6A is stored in respectively
Frame data buffer area and 0808 frame data buffer area；
5. basic condition adjudgement is carried out to other valid data of reception, such as antenna terminal failure, short circuit, open circuit, power supply are straight
Lead to；
6. it is all to belong to status data, generate new state mark；
7. it polymerize a Status Flag, by 6A6A frame data, 0808 frame data, generation new state mark, generation Status Flag composition
0808 frame data polymerize, and generate 6A6A frame data, 0808 frame data of polymerization of polymerization；
8. 6A6A frame data, 0808 frame data of polymerization of polymerization are sent；
If 9. power subsystem breaks down, receive after the signal that power subsystem transmission comes, except generation power failure flag bit,
Signal is sent to antenna processor simultaneously, notifier processes device switches to direct mode operation, it is to avoid the idle situation of satellite antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710486610.0A CN107132550B (en) | 2017-06-23 | 2017-06-23 | Detection circuit and detection method applied to onboard satellite antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710486610.0A CN107132550B (en) | 2017-06-23 | 2017-06-23 | Detection circuit and detection method applied to onboard satellite antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107132550A true CN107132550A (en) | 2017-09-05 |
| CN107132550B CN107132550B (en) | 2023-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710486610.0A Active CN107132550B (en) | 2017-06-23 | 2017-06-23 | Detection circuit and detection method applied to onboard satellite antenna |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112835072A (en) * | 2021-03-16 | 2021-05-25 | 大连市共进科技有限公司 | Detection unit, satellite antenna in-place detection device and detection method |
Citations (6)
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| JPH08237273A (en) * | 1995-02-28 | 1996-09-13 | Ando Electric Co Ltd | Fault monitor device for atm line |
| JP2001304879A (en) * | 2000-04-27 | 2001-10-31 | Maspro Denkoh Corp | On-vehicle satellite tracking device and on-vehicle satellite receiving system |
| CN102305889A (en) * | 2011-07-18 | 2012-01-04 | 山东大学 | Dual mode 220v user side power grid phasor measuring and transmitting device and method |
| CN103019218A (en) * | 2012-12-26 | 2013-04-03 | 北京国铁路阳技术有限公司 | Railway signal device utilizing dual-CPU (central processing unit) redundancy and control method of railway signal device |
| CN203691403U (en) * | 2013-11-15 | 2014-07-02 | 四川安迪科技实业有限公司 | Beidou navigation maritime satellite communication terminal equipped with capacitive touch buttons |
| CN207096461U (en) * | 2017-06-23 | 2018-03-13 | 天津七六四通信导航技术有限公司 | A kind of detection circuit applied to onboard satellite antenna |
-
2017
- 2017-06-23 CN CN201710486610.0A patent/CN107132550B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08237273A (en) * | 1995-02-28 | 1996-09-13 | Ando Electric Co Ltd | Fault monitor device for atm line |
| JP2001304879A (en) * | 2000-04-27 | 2001-10-31 | Maspro Denkoh Corp | On-vehicle satellite tracking device and on-vehicle satellite receiving system |
| CN102305889A (en) * | 2011-07-18 | 2012-01-04 | 山东大学 | Dual mode 220v user side power grid phasor measuring and transmitting device and method |
| CN103019218A (en) * | 2012-12-26 | 2013-04-03 | 北京国铁路阳技术有限公司 | Railway signal device utilizing dual-CPU (central processing unit) redundancy and control method of railway signal device |
| CN203691403U (en) * | 2013-11-15 | 2014-07-02 | 四川安迪科技实业有限公司 | Beidou navigation maritime satellite communication terminal equipped with capacitive touch buttons |
| CN207096461U (en) * | 2017-06-23 | 2018-03-13 | 天津七六四通信导航技术有限公司 | A kind of detection circuit applied to onboard satellite antenna |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112835072A (en) * | 2021-03-16 | 2021-05-25 | 大连市共进科技有限公司 | Detection unit, satellite antenna in-place detection device and detection method |
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| CN107132550B (en) | 2023-12-12 |
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