CN104635217B - Echo-free isolation box for testing of millimeter wave alternating current radiometer - Google Patents
Echo-free isolation box for testing of millimeter wave alternating current radiometer Download PDFInfo
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- CN104635217B CN104635217B CN201510082127.7A CN201510082127A CN104635217B CN 104635217 B CN104635217 B CN 104635217B CN 201510082127 A CN201510082127 A CN 201510082127A CN 104635217 B CN104635217 B CN 104635217B
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- millimeter wave
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- echo
- opening
- shielded box
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- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses an echo-free isolation box for testing of a millimeter wave alternating current radiometer. The echo-free isolation box comprises a metal frame and a three-frame inclined angle adjusting frame; the metal frame is a cuboid, wherein an opening is formed in the middle of each of the two opposite surfaces of the cuboid in the length direction, and the three-frame inclined angle adjusting frame and a target simulator are respectively arranged in the two openings; the top surface of the metal frame is provided with an opening which is provided with a shielding door; a wave absorbing material is arranged on the inner side of the metal frame. The echo-free isolation box provides a favorable testing environment for complete machine testing and signal simulation of a projectile-borne millimeter wave alternating current radiometer, also provides a method for measuring an included angle of a terminal sensitive projectile millimeter wave alternating current radiometer, has the advantages of low cost, small size, convenience in use, high performance, good electromagnetic shielding property and the like and is little affected by outside.
Description
Technical field
The present invention relates to one kind is without echo shielded box, it is particularly a kind of for the test of millimeter wave alternative radiometer without echo
Shielded box.
Background technology
Nearly ten years, with development and the maturation of millimetric wave device technology of domestic SMART AMMUNITION, millimeter wave passive detection
The research of device (millimeter wave radiometer) achieves breakthrough, and its cost is further reduced, it has also become sensitive angle is especially
The most frequently used detector of Terminal munition.In Terminal munition, millimeter wave passive detection device is mainly millimeter wave alternative radiometer, in equipment
Need before to be tested and demarcated, its test includes field dynamic test and static overall performance parameter testing.Static whole machine
Performance test includes sensitivity, the time of integration, dynamic range test etc. with demarcating, and the emulation of echo signal and test etc.,
Generally can complete indoors.Field dynamic test typically penetrates test and high tower test by big gun, and it is comprising millimeter wave that big gun penetrates test
The complete standby detection test of the Terminal munition to realistic objective of detector, it is relatively costly；Millimeter wave exchange is generally radiated by high tower test
Meter is placed on simulation Terminal munition scanning probe process on a surface target on the high tower turntable of certain altitude, typically can only once do one
The detection test of individual height, and Terminal munition actual detection is the scanning probe process of differing heights from high to low.Therefore high tower examination
Test can not this And of Varying Depth of simulation Terminal munition very well detection process.A kind of reasonable method is to set up half material object to imitate
Very, test system.There are many semi-matter simulating systems in fields such as radar detection, navigation, infrared acquisition and winged controls at present.
《Missile-borne MMW radiometer signal HWIL simulation》Millimeter wave radiometer hardware-in-the-loop simulation device is given, but should
What hardware-in-the-loop simulation device was tested in being placed in anechoic chamber, it is very inconvenient, and anechoic chamber, is expensive, generally exists
Ten million left and right, cost are very high；And《The emulation test system development of 3mm wave band passive detection devices》Using millimeter wave radiometer
Simulation testing device is disposed within, does not take shielding measure, test result to be vulnerable to periphery electromagnetic environment interference, personnel and walk about
Change the impact of interference with background.Further, since dynamic compensation of Fuze warhead matching etc. is required, Terminal munition millimeter wave alternative radiometer
There is certain lead between antenna beam central axis and bullet (or EFP warheads) power axle central axis, that is, have certain angle
Require, how to measure the angle and distribution, there is no feasible method at present.
The content of the invention
It is an object of the invention to provide it is a kind of for Terminal munition millimeter wave alternative radiometer test without echo shielded box.
The technical scheme for realizing the object of the invention is：A kind of isolating without echo for the test of millimeter wave alternative radiometer
Case, including metal outer frame and three frame angle adjustment frames, the metal outer frame are cuboid housing, and cuboid length direction is relative
Two faces middle be provided with the first opening and the second opening, the centers of two openings are consistent, and the three frames angle adjustment sets up
Put at the first opening, the periphery of three frame angle adjustment frames is sealed with the first opening；Second opening installation targets simulator, target
The periphery of simulator and the second opening sealing；Metal outer frame top surface is provided with the 3rd opening, and opening is provided with shield door；The metal
Absorbing material is provided with the inside of housing.
Compared with prior art, this remarkable advantage is：(1) metal outer frame inner most of the present invention adopts wedge shape
Absorbing material, cost are relatively low；(2) it is of the invention to be operated near field state, i.e. length direction apart from short without echo shielded box, thus
Small volume, use, conveniently moving；(3) absorbing property -40dB@millimere-wave bands of the invention, performance height (4) electromagnetic screen of the present invention
Cover performance good, little by ectocine, inside and outside isolation reaches 60dB@millimere-wave bands；(5) present invention has measurement antenna beam center
The function of angle and warhead power axle center between.
The present invention will be further described below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the structural representation without echo shielded box for the test of millimeter wave alternative radiometer of the present invention.
Fig. 2 is the three frame angle adjustment frame structural representations of the present invention.
Fig. 3 is the sectional view of the absorbing material installation site of the present invention.
Specific embodiment
With reference to Fig. 1, the present invention it is a kind of for the test of millimeter wave alternative radiometer without echo shielded box, including outside metal
Frame 1 and three frame angle adjustment frames 4, the metal outer frame 1 is cuboid, and the relative two faces middle of cuboid length direction
The first opening 11 and the second opening 13 are provided with, the center of two openings is consistent, and the three frames angle adjustment frame 4 is arranged on first and opens
At mouth 11, the periphery of three frame angle adjustment frames 4 is sealed with the first opening 11；Second 13 installation targets simulators 5 of opening, target mould
The periphery and the second opening 13 for intending device 5 seals；1 top surface of metal outer frame is provided with the 3rd opening, and opening is provided with shield door 3；It is described
The inner side of metal outer frame 1 is provided with absorbing material 2.
3rd opening for rectangle, shield door 3 and metal outer frame 1 between by two hinge leafs connections,
The another side of shield door 3 is provided with locking point, and the locking point is two point manual locking structure, and air-tight manner is using hilted broadsword insertion
The closed technology of formula electromagnetism, the compound edge of a knife, detachable high-quality beryllium-bronze reed；Handle is additionally provided with the outside of shield door.
The metal outer frame 1 is steel plate housing；Steel plate housing is molded system using cold-rolled steel sheet, and thickness is not less than
2mm, the coiling welded welding of the employing between each face of steel plate housing；The shield door 3 is steel plate shield door.
The described ratio without clear space length, width and height inside echo shielded box is 2:1:1, four without echo shielded box bottom surface
Angle is provided with four rolling, i.e. the first roller 13, the second roller 14, the 3rd roller 15 and the 4th roller 16.
Three frame angle adjustment frames realize seamless welding by spot-welding technology with the housing without echo shielded box；Mark simulator with
Air-tight manner without echo shielded box steel plate housing is using the closed technology of hilted broadsword plug-in type electromagnetism, the compound edge of a knife, detachable
High-quality beryllium-bronze reed.
With reference to Fig. 2, the three frames angle adjustment frame includes outside framework 21, central frame 22 and inner frame 23；In inner frame
Between be round mouth 10, the round mouth 10 is used to install millimeter wave alternative radiometer, the end of round mouth size and millimeter wave alternative radiometer
Quick bullet caliber size is identical；Pitching rotating shaft, central frame 22 and inner frame are set between the outside framework 21 and central frame 22
23 settings arrange direction rotating shaft between direction rotating shaft, or the outside framework and central frame, central frame and inner frame are arranged
Pitching rotating shaft；The angle of pitch and the azimuth of millimeter wave alternative radiometer are changed by pitching rotating shaft and the rotation of direction rotating shaft.
Further, the three frames angle adjustment frame is provided with turbine and worm and slide gauge, for setting milli in circular hole
The angle of pitch of metric wave alternative radiometer and azimuth.
With reference to Fig. 3, the inner side of the metal outer frame 1 is paved with wedge shape absorbing material 19, and ripple material is inhaled using flat board by corner
Material transition 20；Wherein, part of the three frames angle adjustment frame towards the side on the inside of metal outer frame in addition to circular hole is paved with wedge
Shape absorbing material, is paved with wedge shape absorbing material on the inside of the shield door；The absorbing material is attached to by environmentally-friendly universal is gluing
On the inside of metal outer frame.
The present invention is described in further details with reference to specific embodiment.
Embodiment 1
With reference to Fig. 1, it is a kind of for millimeter wave radiometer semi-hardware type simulation test without echo shielded box, without echo shielded box
Including steel plate housing 1, absorbing material 2, shield door 3 and three frame angle adjustment frames 4；It is 1.4m × 0.7m without echo shielded box volume
×0.7m。
It is the cuboid that HLS1 type monolayers steel plate is constituted without the steel plate housing 1 in echo shielded box, and in cuboid steel plate
The relative two faces middle of length direction is provided with the first opening 11 and the second opening 13, and two opening centers are consistent, wherein, the
One is open for installing three frame angle adjustment frames 4, and size is defined by being put into three frame angle adjustment frames 4, three frame angle adjustment frames 4
Seamless welding is realized by spot-welding technology with the first opening；Second opening 13 is used for installation targets simulator 5, and size is can be put into
Target simulator 5 is defined, and target simulator 5 is using hilted broadsword plug-in type electricity with the air-tight manner without echo shielded box steel plate housing
The closed technology of magnetic, the compound edge of a knife, detachable high-quality beryllium-bronze reed；A rectangle hole is opened in the middle of 1 top surface of steel plate housing,
A width of 0.7m × the 0.4m of length；Rectangle hole installs the rectangle shield door 3 for adapting to therewith, and shield door 3 adopts 6 He of first axle page
Second hinge page 7 realizes folding, and the locking point of door is manual first locking mechanism 8 of two point and the second locking mechanism 9, and electromagnetism is closed
Using the closed technology of hilted broadsword plug-in type electromagnetism, the compound edge of a knife, detachable high-quality beryllium-bronze reed；The handle 18 of shield door 3 is pacified
It is mounted in the middle of the first locking mechanism 8 and the second locking mechanism 9, the material of shield door 3 is also steel plate, and wedge shape absorbing material 19 is adopted
It is pasted onto on the inside of shield door 3 with environmental protechion type universal glue.
Ratio without clear space length, width and height inside echo shielded box is 2:1:1；Steel plate housing thickness without echo shielded box is not
Less than 2mm, the welding between each face of steel plate housing adopts coiling welded 12 technologies, to strengthen shielding propertiess.
Four angles without echo shielded box bottom surface are installed by the first roller 14, the second roller 15, the 3rd roller 16 and the 4th rolling
Wheel 17, to be moved easily.
With reference to Fig. 2, the three frame angle adjustment frames 4 without echo shielded box are by outside framework 21, central frame 22 and inner frame 23
Composition, is provided with round mouth 10 in the middle of inner frame 23；By the first pitching rotating shaft 24 and the rotation of the second pitching rotating shaft 25, can change and bow
The elevation angle；By first orientation rotating shaft 26 and the rotation of second orientation rotating shaft 27, azimuth can be changed；By three frame angle adjustment frames
4, linkage changes the angle of pitch and azimuth, can arbitrarily change the angle in pitching and orientation in set point；Three frame angles are adjusted
Erection is equipped with turbine and worm and slide gauge, and the angular range for reading orientation and luffing angle, pitching and orientation is set in
±10°；The size of 10 diameter of round mouth is determined by the Terminal munition caliber size equipped with millimeter wave alternative radiometer.
With reference to Fig. 3, the 1 the inside side of steel plate housing without echo shielded box is paved with wedge shape and inhales ripple material 19, and corner is not
During energy wedge shape absorbing material, then 20 transition of Electromagnetic Wave Absorbing Plate is spread；Wedge shape inhales ripple material 19 and Electromagnetic Wave Absorbing Plate 20 is logical
Cross that environmentally-friendly universal is gluing to be attached to side inside the steel plate housing without echo shielded box.
Target simulator launches electromagnetic wave, and a part is received by tested millimeter wave radiometer, and other are irradiated to suction ripple material
Electromagnetic wave on material is absorbed, and without reflecting, so as to not interfere with by pyranometer, steel plate frame structure can have in addition
Effect isolation internal and external environment so that outside electromagnetic wave is not interfered with by pyranometer, therefore this is provided without echo shielded box
The test environment of one good millimeter wave radiometer.
The present invention provides good test environment for the system test and signal simulation of missile-borne millimeter wave alternative radiometer,
Also method is provided for Terminal munition millimeter wave alternative radiometer angle measurement, with low cost, small volume, easy to use, Gao Xing
Can, capability of electromagnetic shielding it is good, by ectocine it is little the advantages of.
Claims (8)
1. it is a kind of for the test of millimeter wave alternative radiometer without echo shielded box, it is characterised in that including metal outer frame (1) and
Three frames angle adjustment frame (4), the metal outer frame (1) are cuboid housing, and two relative faces of cuboid length direction are just
Centre is provided with the first opening (11) and the second opening (13), and the center of two openings is consistent, and the three frames angle adjustment frame (4) sets
Put at first opening (11) place, the periphery of three frames angle adjustment frame (4) is sealed with the first opening (11)；Second opening (13) is installed
Target simulator (5), the periphery of target simulator (5) and the second opening (13) sealing；Metal outer frame (1) top surface is provided with the 3rd and opens
Mouthful, the 3rd opening is provided with shield door (3)；Absorbing material (2) is provided with the inside of the metal outer frame (1)；
The three frames angle adjustment frame includes outside framework (21), central frame (22) and inner frame (23)；It is circle in the middle of inner frame
Mouth (10), for installing millimeter wave alternative radiometer, round mouth size is last quick with millimeter wave alternative radiometer for the round mouth (10)
Play caliber size identical；Pitching rotating shaft, central frame (22) and interior are set between the outside framework (21) and central frame (22)
Arrange between framework (23) and direction rotating shaft be set between direction rotating shaft, or the outside framework and central frame, central frame and
Pitching rotating shaft is set between inner frame；The pitching of millimeter wave alternative radiometer is changed by pitching rotating shaft and the rotation of direction rotating shaft
Angle and azimuth.
2. it is according to claim 1 for millimeter wave alternative radiometer test without echo shielded box, it is characterised in that institute
State and worm and gear and slide gauge are provided with the three frame angle adjustment frame angles of pitch and azimuth adjustment, for setting in circular hole
The angle of pitch of millimeter wave alternative radiometer and azimuth.
3. it is according to claim 1 for millimeter wave alternative radiometer test without echo shielded box, it is characterised in that institute
State and on the inside of metal outer frame (1), be paved with wedge shape absorbing material (19), corner adopts Electromagnetic Wave Absorbing Plate transition (20)；It is described
Wedge shape absorbing material is paved with the inside of shield door.
4. according to claim 1-3 any one for millimeter wave alternative radiometer test without echo shielded box, its
It is characterised by, the absorbing material is attached on the inside of metal outer frame (1) by environmentally-friendly universal is gluing.
5. according to claim 1-3 any one for millimeter wave alternative radiometer test without echo shielded box, its
It is characterised by, for rectangle, shield door (3) passes through two hinge leafs between metal outer frame (1) for the 3rd opening
Connection, the another side of shield door (3) are provided with locking point, and the locking point is two point manual locking structure, and air-tight manner is adopted
The closed technology of hilted broadsword plug-in type electromagnetism, the compound edge of a knife, detachable high-quality beryllium-bronze reed；Handle is additionally provided with the outside of shield door
Handss.
6. according to claim 1-3 any one for millimeter wave alternative radiometer test without echo shielded box, its
It is characterised by, the metal outer frame (1) is steel plate housing；Steel plate housing is molded system using cold-rolled steel sheet, and thickness is not low
Using coiling welded welding between 2mm, each face of steel plate housing；The shield door (3) is steel plate shield door.
7. according to claim 1-3 any one for millimeter wave alternative radiometer test without echo shielded box, its
It is characterised by, the ratio without clear space length, width and height inside echo shielded box is 2:1:1.
8. according to claim 1-3 any one for millimeter wave alternative radiometer test without echo shielded box, its
It is characterised by, four angles without echo shielded box bottom surface are provided with four rolling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510082127.7A CN104635217B (en) | 2015-02-15 | 2015-02-15 | Echo-free isolation box for testing of millimeter wave alternating current radiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510082127.7A CN104635217B (en) | 2015-02-15 | 2015-02-15 | Echo-free isolation box for testing of millimeter wave alternating current radiometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104635217A CN104635217A (en) | 2015-05-20 |
| CN104635217B true CN104635217B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510082127.7A Active CN104635217B (en) | 2015-02-15 | 2015-02-15 | Echo-free isolation box for testing of millimeter wave alternating current radiometer |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105392349A (en) * | 2015-11-05 | 2016-03-09 | 上海电器科学研究所（集团）有限公司 | Anechoic chamber shielding gate capable of improving standing wave characteristic |
| CN106405168B (en) * | 2016-08-31 | 2018-11-02 | 贵州航天电子科技有限公司 | A kind of radio set test shielded box |
| CN106371077A (en) * | 2016-10-26 | 2017-02-01 | 上海汉测试验设备有限公司 | Testing system for radar operation reliability |
| CN106526550A (en) * | 2016-11-10 | 2017-03-22 | 南京理工大学 | Equivalent device for millimeter wave radiometer test |
| CN106980118A (en) * | 2017-03-29 | 2017-07-25 | 惠州市德赛西威汽车电子股份有限公司 | The environment measuring device and its method of a kind of vehicle-mounted millimeter wave radar |
| CN107643520B (en) * | 2017-08-28 | 2021-05-04 | 南京理工大学 | Indoor measuring device and measuring method for millimeter wave radiation characteristics of fiber material |
| CN110850379A (en) * | 2019-11-27 | 2020-02-28 | 四川航天系统工程研究所 | Active radar seeker assembly testing device |
| CN114675246B (en) * | 2022-05-27 | 2022-08-19 | 成都世源频控技术股份有限公司 | Novel radar signal simulator with long service life |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6377207B1 (en) * | 2000-09-27 | 2002-04-23 | Fredrick S. Solheim | Passive polarimetric microwave radiometer for detecting aircraft icing conditions |
| US7250747B1 (en) * | 2005-12-12 | 2007-07-31 | Xytrans, Inc. | Radiometer measurement linearization system and method |
| CN101789831A (en) * | 2009-12-25 | 2010-07-28 | 上海磁浮交通发展有限公司 | Millimeter wave communication test system |
| CN201993421U (en) * | 2010-11-18 | 2011-09-28 | 四川九洲电器集团有限责任公司 | System for automatically testing front ends of millimeter waves |
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Inventor after: Xiao Zelong Inventor after: Xu Jianzhong Inventor after: Peng Shusheng Inventor after: Ding Yong Inventor after: Wu Li Inventor after: Wang Yuankai Inventor after: Zhou Weiqiang Inventor after: Jiang Zhangtao Inventor before: Xu Jianzhong Inventor before: Peng Shusheng Inventor before: Xiao Zelong Inventor before: Ding Yong Inventor before: Wu Li Inventor before: Wang Yuankai Inventor before: Zhou Weiqiang Inventor before: Jiang Zhangtao |
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