CN202373697U - Ultra-wide-band pyramidal horn antenna array used for millimeter wave imaging security check system - Google Patents
Ultra-wide-band pyramidal horn antenna array used for millimeter wave imaging security check system Download PDFInfo
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- CN202373697U CN202373697U CN 201120421473 CN201120421473U CN202373697U CN 202373697 U CN202373697 U CN 202373697U CN 201120421473 CN201120421473 CN 201120421473 CN 201120421473 U CN201120421473 U CN 201120421473U CN 202373697 U CN202373697 U CN 202373697U
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- pyramidal horn
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- wave imaging
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Abstract
The utility model discloses an ultra-wide-band pyramidal horn antenna array used for a millimeter wave imaging security check system. The ultra-wide-band pyramidal horn antenna array comprises a transmitting antenna group (1) and a receiving antenna group (2) which are arranged in a stagger manner; the transmitting antenna group (1) and the receiving antenna group (2) respectively comprise one or a plurality of pyramidal horn antenna array units (4), and the number of the pyramidal horn antenna array units of the transmitting antenna group (1) is equal to that of the pyramidal horn antenna array units of the receiving antenna group (2). According to the antenna array, the property of the antenna at the full Ka wave band is good, the mutual connection and the expansion are convenient, and the cost is low.
Description
Technical field
The utility model relates to a kind of ultra broadband millimeter wave horn antenna array, particularly a kind of ultra broadband pyramidal horn antenna array that is used for human body mm-wave imaging safe examination system.
Background technology
Millimeter-wave technology is widely used in fields such as radar, guidance, navigation, remote sensing and radio communication, and the application in safe examination system in recent years also more and more widely.The millimeter wave antenna array is a core devices in the mm-wave imaging human body security check system, and the mode of its realization mainly contains line of rabbet joint aerial array, patch antenna array, waveguide array, dipole array and pyramidal horn antenna array etc.Because of the pyramidal horn antenna array has that bandwidth, volume are little, excellent performance, high conformity, be prone to processing and low cost and other advantages receives much concern.
Traditional pyramidal horn antenna array has following 2 deficiencies:
1. during with traditional pyramidal horn antenna array scanning checked object, number of scan points is many, and sweep time and system handles time are long;
2. traditional pyramidal horn antenna is welded with 4 V-shape sheet metals, and processing cost is high, is unfavorable for producing in batches.
The utility model content
The purpose of the utility model provides a kind of ultra broadband pyramidal horn antenna array that is used for human body mm-wave imaging safe examination system.
The ultra broadband pyramidal horn antenna array that is used for human body mm-wave imaging safe examination system that the utility model provides comprises staggered transmission antenna group and reception antenna group; Said transmission antenna group and said reception antenna group respectively comprise one or more pyramidal horn antennas unit, and the pyramidal horn antenna unit number of said transmission antenna group equates with the pyramidal horn antenna unit number of said reception antenna group.
Preferably, said aerial array further comprises the zigzag base in right angle.
Preferably, the two ends of said base respectively comprise two right angle sawtooth, and said base is used for fixing said transmission antenna group and said reception antenna group.
Preferably, said transmission antenna group and said reception antenna group respectively comprise 8 said pyramidal horn antenna unit that narrow limit is end to end.
Preferably, said pyramidal horn antenna unit comprises pyramid loudspeaker and standard BJ320 waveguide.
Preferably, the length of said standard BJ320 waveguide is 0.25-3 operation wavelength doubly, and its width is a 0.25-2 operation wavelength doubly, and its thickness is 0.25-1 operation wavelength doubly.
Preferably, the staggered distance between said transmission antenna group and the said reception antenna group equal said pyramid loudspeaker the mouth long limit 1/2nd.
Preferably, said aerial array adopts the one-step casting method of forming to process.
The utlity model has following beneficial effect:
The ultra broadband pyramidal horn antenna array that is used for human body mm-wave imaging safe examination system that the utility model provides is good in the antenna performance of full Ka wave band, is convenient to interconnect and expand, and cost is low.
Description of drawings
Fig. 1 is the vertical view of the ultra broadband pyramidal horn antenna array that is used for human body mm-wave imaging safe examination system of the utility model embodiment;
Fig. 2 is the vertical view of the pyramidal horn antenna unit of the ultra broadband pyramidal horn antenna array that is used for human body mm-wave imaging safe examination system of the utility model embodiment;
Fig. 3 is the front view of the pyramidal horn antenna unit of the ultra broadband pyramidal horn antenna array that is used for human body mm-wave imaging safe examination system of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing and embodiment the content of the utility model is done further to describe.
As shown in Figure 1, the ultra broadband pyramidal horn antenna array that is used for human body mm-wave imaging safe examination system comprises the zigzag base 3 in transmission antenna group 1, receiving element group 2 and right angle.Said transmission antenna group 1 is staggered with said reception antenna group 2, and the staggered distance between the two is 7.5mm.The total length of said base 3 and overall width for example are respectively 129.792mm and 64mm.The two ends of said base 3 respectively comprise two right angle sawtooth, and the width of these two right angle sawtooth for example is respectively 8.112mm and 4.056mm.Said base 3 is used for fixing said transmission antenna group 1 and said reception antenna group 2.Said transmission antenna group 1 respectively comprises for example 8 pyramidal horn antenna unit 4 that narrow limit is end to end with said reception antenna group 2.As shown in Figures 2 and 3, said pyramidal horn antenna unit 4 comprises pyramid loudspeaker 401 and standard BJ320 waveguide 402.The length on the long limit of the mouth of said pyramid loudspeaker 401 for example is 16mm, and the length of its minor face for example is 12mm.The height of said pyramid loudspeaker 401 for example is 14.5mm.The length of said standard BJ320 waveguide 402 cross sections for example is 7.112mm, and the width of its cross section for example is 3.556mm, and its thickness for example is 2.5mm.
Said aerial array adopts the one-step casting method of forming to process, and cost of manufacture is low.Said aerial array is good in the antenna performance of full Ka wave band.Because said base 3 rectangular zigzag, said aerial array is convenient to interconnect and expand.
Should be appreciated that the above detailed description of the technical scheme of the utility model being carried out by preferred embodiment is schematic and nonrestrictive.Those of ordinary skill in the art can make amendment to the technical scheme that each embodiment put down in writing on the basis of reading the utility model specification, perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.
Claims (8)
1. be used for the ultra broadband pyramidal horn antenna array of human body mm-wave imaging safe examination system, it is characterized in that, this aerial array comprises staggered transmission antenna group (1) and reception antenna group (2); Said transmission antenna group (1) and said reception antenna group (2) respectively comprise one or more pyramidal horn antennas unit (4), and the pyramidal horn antenna unit number of said transmission antenna group (1) equates with the pyramidal horn antenna unit number of said reception antenna group (2).
2. the ultra broadband pyramidal horn antenna array that is used for human body mm-wave imaging safe examination system as claimed in claim 1 is characterized in that said aerial array further comprises the zigzag base in right angle (3).
3. the ultra broadband pyramidal horn antenna array that is used for human body mm-wave imaging safe examination system as claimed in claim 2; It is characterized in that; The two ends of said base (3) respectively comprise two right angle sawtooth, and said base (3) is used for fixing said transmission antenna group (1) and said reception antenna group (2).
4. the ultra broadband pyramidal horn antenna array that is used for human body mm-wave imaging safe examination system as claimed in claim 1; It is characterized in that said transmission antenna group (1) and said reception antenna group (2) respectively comprise 8 said pyramidal horn antenna unit (4) that narrow limit is end to end.
5. the ultra broadband pyramidal horn antenna array that is used for human body mm-wave imaging safe examination system as claimed in claim 1 is characterized in that said pyramidal horn antenna unit (4) comprises pyramid loudspeaker (401) and standard BJ320 waveguide (402).
6. the ultra broadband pyramidal horn antenna array that is used for human body mm-wave imaging safe examination system as claimed in claim 5; It is characterized in that; The length of said standard BJ320 waveguide (402) is 0.25-3 operation wavelength doubly; Its width is a 0.25-2 operation wavelength doubly, and its thickness is 0.25-1 operation wavelength doubly.
7. the ultra broadband pyramidal horn antenna array that is used for human body mm-wave imaging safe examination system as claimed in claim 1; It is characterized in that, the staggered distance between said transmission antenna group (1) and the said reception antenna group (2) equal said pyramid loudspeaker (401) the mouth long limit 1/2nd.
8. the ultra broadband pyramidal horn antenna array that is used for human body mm-wave imaging safe examination system as claimed in claim 1 is characterized in that, said aerial array adopts the one-step casting method of forming to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120421473 CN202373697U (en) | 2011-10-30 | 2011-10-30 | Ultra-wide-band pyramidal horn antenna array used for millimeter wave imaging security check system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120421473 CN202373697U (en) | 2011-10-30 | 2011-10-30 | Ultra-wide-band pyramidal horn antenna array used for millimeter wave imaging security check system |
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| Publication Number | Publication Date |
|---|---|
| CN202373697U true CN202373697U (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120421473 Expired - Fee Related CN202373697U (en) | 2011-10-30 | 2011-10-30 | Ultra-wide-band pyramidal horn antenna array used for millimeter wave imaging security check system |
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| CN (1) | CN202373697U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103700933A (en) * | 2014-01-09 | 2014-04-02 | 哈尔滨工业大学 | Feed antenna applied to 94 GHz passive millimeter wave imaging system |
| WO2015021768A1 (en) * | 2013-08-15 | 2015-02-19 | 清华大学 | Waveguide horn array and method therefor, and antenna system |
| CN104937777A (en) * | 2013-01-21 | 2015-09-23 | 日本电气株式会社 | Antenna |
| CN106329155A (en) * | 2016-10-19 | 2017-01-11 | 京航泰（北京）科技有限公司 | Horn array antenna electroforming method and electroformed horn array antenna |
| CN108923120A (en) * | 2018-08-06 | 2018-11-30 | 西安恒帆电子科技有限公司 | A kind of transmit-receive switch antenna array module for active millimeter wave imaging system |
| CN109407091A (en) * | 2018-10-25 | 2019-03-01 | 清华大学 | Gothic mimo antenna array and safety check imaging device |
| CN109472089A (en) * | 2018-11-12 | 2019-03-15 | 北京航空航天大学 | A kind of thinned array optimization layout structure and design method suitable for passive millimeter wave human body safety check instrument |
| CN109698409A (en) * | 2017-10-20 | 2019-04-30 | 中国工程物理研究院电子工程研究所 | A kind of design method of the array antenna suitable for human body electromagnetic wave imaging safety check |
| CN113126173A (en) * | 2019-12-30 | 2021-07-16 | 清华大学 | Passive security inspection equipment and receiving antenna unit thereof |
| CN114709620A (en) * | 2022-04-18 | 2022-07-05 | 无锡威孚高科技集团股份有限公司 | Waveguide antenna applied to 4D imaging millimeter wave radar |
-
2011
- 2011-10-30 CN CN 201120421473 patent/CN202373697U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104937777A (en) * | 2013-01-21 | 2015-09-23 | 日本电气株式会社 | Antenna |
| US9692117B2 (en) | 2013-01-21 | 2017-06-27 | Nec Corporation | Antenna |
| WO2015021768A1 (en) * | 2013-08-15 | 2015-02-19 | 清华大学 | Waveguide horn array and method therefor, and antenna system |
| CN104377450A (en) * | 2013-08-15 | 2015-02-25 | 清华大学 | Waveguide horn array, waveguide horn array method and antenna system |
| CN104377450B (en) * | 2013-08-15 | 2016-12-28 | 清华大学 | Waveguide trumpet array and method thereof and antenna system |
| CN103700933B (en) * | 2014-01-09 | 2015-10-07 | 哈尔滨工业大学 | A kind of feed antenna being applied to 94GHz passive millimeter wave imaging system |
| CN103700933A (en) * | 2014-01-09 | 2014-04-02 | 哈尔滨工业大学 | Feed antenna applied to 94 GHz passive millimeter wave imaging system |
| CN106329155A (en) * | 2016-10-19 | 2017-01-11 | 京航泰（北京）科技有限公司 | Horn array antenna electroforming method and electroformed horn array antenna |
| CN109698409A (en) * | 2017-10-20 | 2019-04-30 | 中国工程物理研究院电子工程研究所 | A kind of design method of the array antenna suitable for human body electromagnetic wave imaging safety check |
| CN108923120A (en) * | 2018-08-06 | 2018-11-30 | 西安恒帆电子科技有限公司 | A kind of transmit-receive switch antenna array module for active millimeter wave imaging system |
| CN109407091A (en) * | 2018-10-25 | 2019-03-01 | 清华大学 | Gothic mimo antenna array and safety check imaging device |
| CN109472089A (en) * | 2018-11-12 | 2019-03-15 | 北京航空航天大学 | A kind of thinned array optimization layout structure and design method suitable for passive millimeter wave human body safety check instrument |
| CN109472089B (en) * | 2018-11-12 | 2020-12-04 | 北京航空航天大学 | Layout structure and method suitable for passive millimeter wave human body security check instrument |
| CN113126173A (en) * | 2019-12-30 | 2021-07-16 | 清华大学 | Passive security inspection equipment and receiving antenna unit thereof |
| CN113126173B (en) * | 2019-12-30 | 2022-06-03 | 清华大学 | Passive security inspection equipment and receiving antenna unit thereof |
| CN114709620A (en) * | 2022-04-18 | 2022-07-05 | 无锡威孚高科技集团股份有限公司 | Waveguide antenna applied to 4D imaging millimeter wave radar |
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| 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: 20120808 Termination date: 20151030 |
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| EXPY | Termination of patent right or utility model |