CN205941916U - A on -vehicle microwave dark room for test of satellite navigation terminal dynamic behavior - Google Patents
A on -vehicle microwave dark room for test of satellite navigation terminal dynamic behavior Download PDFInfo
- Publication number
- CN205941916U CN205941916U CN201620899660.2U CN201620899660U CN205941916U CN 205941916 U CN205941916 U CN 205941916U CN 201620899660 U CN201620899660 U CN 201620899660U CN 205941916 U CN205941916 U CN 205941916U
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- China
- Prior art keywords
- navigation terminal
- satellite navigation
- darkroom
- satellite
- vehicle
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- 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.)
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Abstract
The utility model provides an on -vehicle microwave dark room for test of satellite navigation terminal dynamic behavior, adopts in the satellite signal repeater forwards the darkroom with the satellite signal owing to satisfy field test condition far away in the darkroom, the satellite navigation terminal receival that awaits measuring with the equivalence of actual satellite signal, the test result is with a high credibility, the signal is forwardded in being of satellite navigation terminal receival, and its datum mark equivalence is the receipt antenna phase center of receiving equipment antenna phase center equivalence to satellite signal repeater for " zero base line " for the performance index at satellite navigation terminal can carry out the standard and quantize the aassessment, and measuring error is little, the measuring accuracy is high, the microwave dark room can adopt the twist lock fastening on carrying the car, and convenient the dismantlement has fine mobility, can test the dynamic behavior at satellite navigation terminal when carrying the car motion, also can arrange the darkroom in ground and carry out the test of static index, on -vehicle microwave dark room presets the data radio station antenna, can make the satellite navigation terminal carry out the RTK location through data link.
Description
Technical field
This utility model belongs to satellite navigation terminal technical field of measurement and test, especially relates to one kind and is used for satellite navigation terminal
The vehicle-carried microwave darkroom of dynamic performance testing.
Background technology
Satellite navigation terminal can carry out the real-time of position and speed after the satellite-signal receiving satellite navigation system
Measurement, is widely used to the technical fields such as mapping, navigation, Aeronautics and Astronautics.
The dynamic performance testing method of existing satellite navigation terminal mainly has two kinds：One kind is to be simulated using satellite navigation
Device is tested under large-scale dark room conditions, and the method needs to build satellite navigation simulator and supporting large-scale darkroom, spends huge
Greatly, and test result depends on the similarity degree of analogue signal and actual signal, can only approximate evaluation equipment dynamic property；In addition
A kind of method is that by flange, satellite to be measured navigation terminal and reference receiver are installed to sport car on load car, carries out ratio of precision pair
Test, in actual test, the method due to alignment error and can carry the car factor such as jolt and introduces extra error, thus its measurement
Precision is not high.
Utility model content
For solving the above problems, the purpose of this utility model is to provide one kind to be used for satellite navigation terminal dynamic performance testing
Vehicle-carried microwave darkroom.
For realizing above-mentioned utility model purpose, this utility model adopts the following technical scheme that：
A kind of vehicle-carried microwave darkroom for satellite navigation terminal dynamic performance testing, including darkroom main body and flat car,
Described darkroom main body is made up of screened room and operating room, and described darkroom main body by aluminium alloy plate framework and is fixed on aluminium alloy plate frame
The closing space that wall on frame is formed, the top of described darkroom main body is provided with satellite signal transponder reception antenna sum and passes
Radio station reception antenna；
Provided with shielding layer paste absorbing material inside the wall of described screened room, is provided with transmission antenna inside described screened room
Support and reception antenna support, described transmission antenna support passes through GNSS antenna dock connector fixed satellite signal repeater
Transmission antenna, described reception antenna support is provided with the antenna of satellite navigation terminal；
Described operation interior is provided with network cabinet, is provided with power-supply system, satellite signal transponder, number in described network cabinet
Conduct electricity platform and satellite navigation terminal.
It is provided with cable undercut, for installing the connection cable between equipment and antenna between described screened room and operating room.
Described satellite signal transponder reception antenna is fixed on darkroom body top by GNSS antenna pedestal.
The corner of described darkroom main body is fixed on flat car by twist lock fixation kit.
The side wall of described operating room is provided with door, illuminating lamp and vent window.
It is indoor that described network cabinet is arranged on operation by stud.
Described absorbing material is pyramid foam, length 300mm.
It is provided with shield door, the material of described shield door adopts aluminium alloy, described shielding between described screened room and operating room
Room side be pasted with pyramid absorbing material.
Described transmission antenna support and reception antenna support by Module of aerial, support base plate, bracket base, GNSS days
Line dock connector forms, and described transmission antenna support and reception antenna prop up frame peripheral absorbing material and wrap up.
Because using technical scheme as above, this utility model has following superiority：
1st, using satellite signal transponder, satellite-signal is forwarded in darkroom, due to meeting far field test bar in darkroom
Part, it is equivalent with real satellite signal that satellite to be measured navigation terminal receives, and test result is with a high credibility；
What the 2nd, satellite navigation terminal received is forward signal, and its datum mark is equivalent to " zero base line " i.e. receiving device
The equivalent reception antenna phase center to satellite signal transponder of antenna phase center is so that the performance indications of satellite navigation terminal
Criterion and quantity assessment can be carried out, measurement error is little, measuring accuracy is high；
3rd, microwave dark room can be fastened on load car using twist lock, and convenient dismounting has good mobility, and carrying can during car motion
To test the dynamic property of satellite navigation terminal；Also darkroom can be placed in ground and carry out Static State Index test；
4th, the preset data radio station in vehicle-carried microwave darkroom antenna, can make satellite navigation terminal carry out RTK by data link fixed
Position.
Brief description
Fig. 1 is structural representation of the present utility model；
Fig. 2 is transmission antenna support and the schematic diagram of reception antenna support；
In figure：1- satellite navigation terminal；2- data radio station；3- satellite signal transponder；4- door；5- data radio station
Reception antenna；6- satellite signal transponder reception antenna；7- pedestal；The transmission antenna of 8 satellite signal transponder；9- sends out
Antennas support；The antenna of 10- satellite navigation terminal；11- reception antenna support；12- absorbing material；13- network cabinet；
14- twist lock fixation kit；15- aluminium alloy plate framework；16- operating room；17- screened room；18- flat car；19- Module of aerial；
20- support base plate；21- bracket base；22- GNSS antenna dock connector；.
Specific embodiment
This utility model can be explained in more detail by example below, open the purpose of this utility model is intended to protect
All changes and improvements in the range of this utility model, this utility model is not limited to the following examples：
In conjunction with a kind of vehicle-carried microwave darkroom for satellite navigation terminal dynamic performance testing described in accompanying drawing, including darkroom
Main body and flat car 18, described darkroom main body is made up of screened room 17 and operating room 16, and described darkroom main body is by aluminium alloy plate frame
The closing space that frame 15 is formed with the wall being fixed on aluminium alloy plate framework 15, the top of described darkroom main body is provided with satellite
Signal repeater reception antenna 6 and data radio station reception antenna 5；
Provided with shielding layer paste absorbing material 12 inside the wall of described screened room 17, is provided with inside described screened room 17 and sends out
Antennas support 9 and reception antenna support 11, described transmission antenna support 9 pass through GNSS antenna dock connector 22 fixation and defend
The transmission antenna 8 of star signal repeater, described reception antenna support 11 is provided with the antenna 10 of satellite navigation terminal；
It is provided with network cabinet 13 in described operating room 16, be provided with power-supply system in described network cabinet 13, satellite-signal turns
Send out device 3, data radio station 2 and satellite navigation terminal 1.
It is provided with cable undercut, for installing the electricity of the connection between equipment and antenna between described screened room 17 and operating room 16
Cable.
Described satellite signal transponder reception antenna 6 is fixed on darkroom body top by GNSS antenna pedestal 7.
The corner of described darkroom main body is fixed on flat car 18 by twist lock fixation kit 14, easy to assemble, you can dynamic
Test, also can static test.
The side wall of described operating room 16 is provided with door 4, illuminating lamp and vent window.
Described network cabinet 13 is arranged in operating room 16 by stud.
Described absorbing material 12 is pyramid foam, length 300mm.
It is provided with shield door, the material of described shield door adopts aluminium alloy, described between described screened room 17 and operating room 16
Screened room side be pasted with pyramid absorbing material.
Described transmission antenna support 9 and reception antenna support 11 are by Module of aerial 19, support base plate 20, bracket base
21st, GNSS antenna dock connector 22 forms, described transmission antenna support 9 and reception antenna support 11 surrounding absorbing material 12
Parcel.
Carefully not stating part in above content is prior art, therefore does not run business into particular one and state.
Claims (9)
1. a kind of vehicle-carried microwave darkroom for satellite navigation terminal dynamic performance testing, including darkroom main body and flat car
（18）It is characterised in that：Described darkroom main body is by screened room（17）And operating room（16）Composition, described darkroom main body is by aluminium alloy
Plate framework（15）Be fixed on aluminium alloy plate framework（15）On the closing space that formed of wall, the top of described darkroom main body
It is provided with satellite signal transponder reception antenna（6）With data radio station reception antenna（5）；
Described screened room（17）Wall inside provided with shielding layer paste absorbing material（12）, described screened room（17）Inside is provided with
Transmission antenna support（9）With reception antenna support（11）, described transmission antenna support（9）Above pass through GNSS antenna dock connector
（22）The transmission antenna of fixed satellite signal repeater（8）, described reception antenna support（11）It is provided with satellite navigation terminal
Antenna（10）；
Described operating room（16）Inside it is provided with network cabinet（13）, described network cabinet（13）Inside it is provided with power-supply system, satellite-signal
Transponder（3）, data radio station（2）And satellite navigation terminal（1）.
2. a kind of vehicle-carried microwave darkroom for satellite navigation terminal dynamic performance testing according to claim 1, it is special
Levy and be：Described screened room（17）And operating room（16）Between be provided with cable undercut, for installing the company between equipment and antenna
Connect cable.
3. a kind of vehicle-carried microwave darkroom for satellite navigation terminal dynamic performance testing according to claim 1, it is special
Levy and be：Described satellite signal transponder reception antenna（6）By GNSS antenna pedestal（7）It is fixed on darkroom body top.
4. a kind of vehicle-carried microwave darkroom for satellite navigation terminal dynamic performance testing according to claim 1, it is special
Levy and be：Twist lock fixation kit is passed through in the corner of described darkroom main body（14）It is fixed to flat car（18）On.
5. a kind of vehicle-carried microwave darkroom for satellite navigation terminal dynamic performance testing according to claim 1, it is special
Levy and be：Described operating room（16）Side wall be provided with door（4）, illuminating lamp and vent window.
6. a kind of vehicle-carried microwave darkroom for satellite navigation terminal dynamic performance testing according to claim 1, it is special
Levy and be：Described network cabinet（13）Operating room is arranged on by stud（16）Interior.
7. a kind of vehicle-carried microwave darkroom for satellite navigation terminal dynamic performance testing according to claim 1, it is special
Levy and be：Described absorbing material（12）For pyramid foam, length 300mm.
8. a kind of vehicle-carried microwave darkroom for satellite navigation terminal dynamic performance testing according to claim 1, it is special
Levy and be：Described screened room（17）And operating room（16）Between be provided with shield door, the material of described shield door adopts aluminium alloy, institute
The side stating screened room is pasted with pyramid absorbing material.
9. a kind of vehicle-carried microwave darkroom for satellite navigation terminal dynamic performance testing according to claim 1, it is special
Levy and be：Described transmission antenna support（9）With reception antenna support（11）By Module of aerial（19）, support base plate（20）、
Bracket base（21）, GNSS antenna dock connector（22）Composition, described transmission antenna support（9）With reception antenna support（11）
Surrounding absorbing material（12）Parcel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620899660.2U CN205941916U (en) | 2016-08-18 | 2016-08-18 | A on -vehicle microwave dark room for test of satellite navigation terminal dynamic behavior |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620899660.2U CN205941916U (en) | 2016-08-18 | 2016-08-18 | A on -vehicle microwave dark room for test of satellite navigation terminal dynamic behavior |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205941916U true CN205941916U (en) | 2017-02-08 |
Family
ID=57919089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620899660.2U Expired - Fee Related CN205941916U (en) | 2016-08-18 | 2016-08-18 | A on -vehicle microwave dark room for test of satellite navigation terminal dynamic behavior |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205941916U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125103A (en) * | 2016-08-18 | 2016-11-16 | 中国人民解放军63895部队 | A kind of vehicle-carried microwave darkroom for satellite navigation terminal dynamic performance testing |
| CN110429990A (en) * | 2019-07-08 | 2019-11-08 | 北京汽车股份有限公司 | The EMC testing method and equipment of vehicle-mounted T-Box |
| CN110515100A (en) * | 2019-10-28 | 2019-11-29 | 湖南卫导信息科技有限公司 | More array element RTK receiver test methods under complex jamming environment |
-
2016
- 2016-08-18 CN CN201620899660.2U patent/CN205941916U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125103A (en) * | 2016-08-18 | 2016-11-16 | 中国人民解放军63895部队 | A kind of vehicle-carried microwave darkroom for satellite navigation terminal dynamic performance testing |
| CN110429990A (en) * | 2019-07-08 | 2019-11-08 | 北京汽车股份有限公司 | The EMC testing method and equipment of vehicle-mounted T-Box |
| CN110515100A (en) * | 2019-10-28 | 2019-11-29 | 湖南卫导信息科技有限公司 | More array element RTK receiver test methods under complex jamming environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20180818 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |