CN205139395U - Three -dimensional holographic imaging security inspection system of face formula millimeter wave scanning - Google Patents
Three -dimensional holographic imaging security inspection system of face formula millimeter wave scanning Download PDFInfo
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- CN205139395U CN205139395U CN201520505695.9U CN201520505695U CN205139395U CN 205139395 U CN205139395 U CN 205139395U CN 201520505695 U CN201520505695 U CN 201520505695U CN 205139395 U CN205139395 U CN 205139395U
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Abstract
The utility model relates to a three -dimensional holographic imaging security inspection system of face formula millimeter wave scanning, including millimeter wave signalling drive module, millimeter wave signal acquisition module, millimeter wave signal processing module, millimeter wave emit antenna, millimeter wave receiving antenna, millimeter wave emit antenna with millimeter wave receiving antenna forms face formula millimeter wave antenna array, face formula millimeter wave antenna array is to the area scanning that awaits measuring, millimeter wave emit antenna connects millimeter wave signalling drive module, millimeter wave receiving antenna connects millimeter wave signal acquisition module, millimeter wave signal processing module connects millimeter wave signal acquisition module. The utility model relates to a three -dimensional holographic imaging security inspection system of face formula millimeter wave scanning through adopting face formula millimeter wave antenna array, shortens single sweep operation's time greatly, simultaneously, because equipment need not carry out the mechanical type rotation, is difficult to cause equipment wear, prolongs the disposition of equipment time greatly and reduces equipment trouble.
Description
Technical field
The utility model relates to a kind of 3D hologram imaging safe examination system, particularly relates to the 3D hologram imaging safe examination system of a kind of formula millimeter wave scanning.
Background technology
The increase of terrorist incident in recent years and the deterioration of national security problem, countries in the world start to pay close attention to public safety problem, and center of gravity is placed on improves in the validity of safety detecting system and accuracy.All there is respective drawback in the metal detector gate, X ray detector and the infrared detecting set that detect for public safety in early days.
Active MMW scanning imagery detector gate, the advantages such as it possesses fast, safety, reliable, secret protection, can solve the insurmountable huge safety check leak problem of existing general human body safety check means (metal detector gate).As long as tangible or have the thing of external packing, no matter its material is metal or nonmetal, solid or liquid, or even wrapped gas, can indicate from automatic detection with it the person of concealing fast, the means of transportation such as airport, station, harbour, law court, prison, detention house and important government facility, frontier defense, customs, the necessary equipment of the local safety check such as large public activity and communal facility, the best that pilferage is concealed with oneself for personnel by Ye Shi enterprise is also unique acceptable means.Mm-wave imaging is the real imaging technique to human-body safety, millimeter wave is a wave band in the various electromagnetic waves everywhere existed, system application extra small power irradiate in short-term and can not cause damage to people, through Public Security Department of U.S. government test for a long time prove its power not as good as mobile phone electromagnetic wave radiation ten thousand/.Many inspection frequently also can not impact health.Mm-wave imaging technology is different from x-ray imaging technique completely, there is not the accumulative injury danger that X-ray ionising radiation causes to tested personnel, cutaneum carcinoma and gene mutation can not be caused, it is also no problem that child pregnant woman uses, and add up injury itself for the security staff of Long Term Contact rays safety detection apparatus.
Current active millimeter wave rotation sweep three-dimensional imaging human body security check system takes non-the undress formula safety detection of millimeter wave active column synthetic aperture technique realization to personnel to be tested, and wherein this kind of system has two pairs of millimeter wave switched antenna array subtends to place.When the system is operating, two pairs of millimeter wave switched antenna array are that axle center rotates with axis of symmetry, treat scanning area and carry out cylinder rotation sweep.
But existing active millimeter wave rotation sweep three-dimensional imaging human body security check system is all treat scanning area to carry out cylinder rotation sweep, therefore the base area of whole human body security check system is often very large, is unfavorable for that the place of limited space uses.Meanwhile, owing to using mechanical type rotating to scan, the time of single sweep operation is longer, is unfavorable for that the place that the stream of people is large uses.Meanwhile, owing to adopting mechanical type rotating, easily equipment attrition is caused, damage equipment.
Utility model content
The technical matters that the utility model solves is: the 3D hologram imaging safe examination system building the scanning of a kind of formula millimeter wave, and the time overcoming prior art single sweep operation is longer, the technical matters that easily causes equipment attrition.
The technical solution of the utility model is: the 3D hologram imaging safe examination system building a kind of formula millimeter wave scanning, comprise millimeter-wave signal and launch driver module, millimeter-wave signal acquisition module, millimeter-wave signal processing module, millimeter wave emitting antenna, millimeter wave receiving antenna, described millimeter wave emitting antenna and described millimeter wave receiving antenna forming surface formula millimeter wave antenna array, described formula millimeter wave antenna array is to sector scanning to be measured, described millimeter wave emitting antenna connects described millimeter-wave signal and launches driver module, described millimeter wave receiving antenna connects described millimeter-wave signal acquisition module, described millimeter-wave signal processing module connects described millimeter-wave signal acquisition module.
Further technical scheme of the present utility model is: described millimeter wave emitting antenna and described millimeter wave receiving antenna interval arrange and form described formula millimeter wave antenna array.
Further technical scheme of the present utility model is: described millimeter wave emitting antenna and described millimeter wave receiving antenna are horizontally arranged at interval or longitudinal separation is arranged.
Further technical scheme of the present utility model is: described formula millimeter wave antenna array forms plane or curved surface.
Further technical scheme of the present utility model is: the fixed frame also comprising stationary plane formula millimeter wave antenna array, and described formula millimeter wave antenna array is arranged on described fixed frame.
Further technical scheme of the present utility model is: described formula millimeter wave antenna array is one or more.
Further technical scheme of the present utility model is: described multiple formula millimeter wave antenna arrays are separately positioned on different azimuth.
Further technical scheme of the present utility model is: described formula millimeter wave antenna array is two, and described two face formula millimeter wave antenna arrays region relatively to be scanned is arranged.
Further technical scheme of the present utility model is: described millimeter wave emitting antenna adopts time interval sequential firing millimeter-wave signal.
Further technical scheme of the present utility model is: described millimeter wave receiving antenna adopts time interval sequence reception millimeter-wave signal.
Technique effect of the present utility model is: the 3D hologram imaging safe examination system building a kind of formula millimeter wave scanning, comprise millimeter-wave signal and launch driver module, millimeter-wave signal acquisition module, millimeter-wave signal processing module, millimeter wave emitting antenna, millimeter wave receiving antenna, described millimeter wave emitting antenna and described millimeter wave receiving antenna forming surface formula millimeter wave antenna array, described formula millimeter wave antenna array is to sector scanning to be measured, described millimeter wave emitting antenna connects described millimeter-wave signal and launches driver module, described millimeter wave receiving antenna connects described millimeter-wave signal acquisition module, described millimeter-wave signal processing module connects described millimeter-wave signal acquisition module.The 3D hologram imaging safe examination system of the utility model a kind of formula millimeter wave scanning, by adopting face formula millimeter wave antenna array, greatly shorten the time of single sweep operation, simultaneously, because equipment does not need to carry out mechanical type rotating, be not easy to cause equipment attrition, greatly extension device service time and minimizing equipment failure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is structure vertical view of the present utility model.
Fig. 3 is millimeter wave antenna array Local map of the present utility model.
Embodiment
Below in conjunction with specific embodiment, technical solutions of the utility model are further illustrated.
As Fig. 1, shown in Fig. 2, embodiment of the present utility model is: the 3D hologram imaging safe examination system building a kind of formula millimeter wave scanning, comprise millimeter-wave signal and launch driver module 4, millimeter-wave signal acquisition module 5, millimeter-wave signal processing module 6, millimeter wave emitting antenna 8, millimeter wave receiving antenna 9, described millimeter wave emitting antenna 8 and described millimeter wave receiving antenna 9 forming surface formula millimeter wave antenna array 3, described formula millimeter wave antenna array 3 scans region 7 to be measured, described millimeter wave emitting antenna 8 connects described millimeter-wave signal and launches driver module 4, described millimeter wave receiving antenna 9 connects described millimeter-wave signal acquisition module 5, described millimeter-wave signal processing module 6 connects described millimeter-wave signal acquisition module 5.In specific embodiment, described formula millimeter wave antenna array 3 forms plane or curved surface.
As shown in Figure 1 and Figure 2, specific implementation process of the present utility model is as follows: detect implementation procedure: after personnel to be tested enters into effective region to be measured 7, faces face formula millimeter wave antenna array 3 and keeps stationary state by prescribed form.Then safe examination system starts scan pattern, and safe examination system launches by millimeter-wave signal the millimeter wave drive singal that driver module 4 produces 20GHz to 50GHz, is then transferred to specific millimeter wave emitting antenna 8 in face formula millimeter wave antenna array 3 by cable.Millimeter wave emitting antenna 8 launches millimeter-wave signal, by reflect millimeter-wave signals after millimeter-wave signal meets personnel to be tested to effective region 7 to be measured.Millimeter wave in face formula millimeter wave antenna array 3 accepts the millimeter-wave signal that antenna 9 accepts to reflect from human body.Described millimeter wave receiving antenna 9 connects described millimeter-wave signal acquisition module 5, described millimeter-wave signal acquisition module 5 accepts antenna 9 by millimeter wave and collects the millimeter-wave signal reflected from human body, and by A/D translation function in module, signal is changed into digital signal, described millimeter-wave signal processing module 6 connects described millimeter-wave signal acquisition module 5, the millimeter-wave signal of collection is sent to described millimeter-wave signal processing module 6 by described millimeter-wave signal acquisition module 5, described millimeter-wave signal processing module 6 carries out safety check imaging according to the millimeter-wave signal received.The millimeter-wave signal processing module 6 of this example comprises a high performance computer system, and computer system is reconstructed into a human body 3-D scanning image by algorithm the digital signal received.And image display on a display screen for detection person's examination & verification.In specific embodiment.Also comprise the fixed frame of firm banking 1, stationary plane formula millimeter wave antenna array 3, firm banking 1 has a fixed frame 2, described formula millimeter wave antenna array is arranged on described fixed frame.This specific implementation method is an one side body scanning system.This system also can install two millimeter wave antenna arrays 3 makes two millimeter wave antenna battle array subtends place, and such personnel to be tested's single sweep operation can complete front and back body scans.After completing front face human body scanning, personnel to be tested rotates health, and health is carried on the back towards face formula millimeter wave antenna array 3, and then run-down, finally completes double-face person's swept-volume.
As shown in Figure 3, preferred implementation of the present utility model is: described millimeter wave emitting antenna 8 and described millimeter wave receiving antenna 9 interval arrange and form described formula millimeter wave antenna array 3.In specific embodiment, described millimeter wave emitting antenna 8 and described millimeter wave receiving antenna 9 are horizontally arranged at interval or longitudinal separation is arranged.Described millimeter wave emitting antenna 8 and described millimeter wave receiving antenna 9 are set by interval, facilitate described millimeter wave emitting antenna 8 and described millimeter wave receiving antenna 9 sequential firing and receive millimeter-wave signal.
As shown in Figure 1, preferred implementation of the present utility model is: described formula millimeter wave antenna array 3 is for one or more, and described multiple formula millimeter wave antenna arrays 3 are separately positioned on different azimuth.By different azimuth installation surface formula millimeter wave antenna array 3, disposablely safety check imaging can be carried out from different azimuth.Described formula millimeter wave antenna array 3 is two, and described two face formula millimeter wave antenna array 3 regions 7 relatively to be scanned are arranged.
As shown in Figure 1, preferred implementation of the present utility model is: described millimeter wave emitting antenna 8 adopts time interval sequential firing millimeter-wave signal, and described millimeter wave receiving antenna 9 adopts time interval sequence reception millimeter-wave signal.For avoid difference transmit between interference, this example adopts time interval sequential firing and accept millimeter-wave signal, and system switches different mm wave antenna transmitting-receiving millimeter-wave signal by particular order and completes spacescan.
Technique effect of the present utility model is: the 3D hologram imaging safe examination system building a kind of formula millimeter wave scanning, comprise millimeter-wave signal and launch driver module 4, millimeter-wave signal acquisition module 5, millimeter-wave signal processing module 6, millimeter wave emitting antenna 8, millimeter wave receiving antenna 9, described millimeter wave emitting antenna 8 and described millimeter wave receiving antenna 9 forming surface formula millimeter wave antenna array 3, described formula millimeter wave antenna array 3 scans region 7 to be measured, described millimeter wave emitting antenna 8 connects described millimeter-wave signal and launches driver module 4, described millimeter wave receiving antenna 9 connects described millimeter-wave signal acquisition module 5, described millimeter-wave signal processing module 6 connects described millimeter-wave signal acquisition module 5.The 3D hologram imaging safe examination system of the utility model a kind of formula millimeter wave scanning, by adopting face formula millimeter wave antenna array, greatly shorten the time of single sweep operation, simultaneously, because equipment does not need to carry out mechanical type rotating, be not easy to cause equipment attrition, greatly extension device service time and minimizing equipment failure.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (8)
1. the 3D hologram imaging safe examination system of a face formula millimeter wave scanning, it is characterized in that, comprise millimeter-wave signal and launch driver module, millimeter-wave signal acquisition module, millimeter-wave signal processing module, millimeter wave emitting antenna, millimeter wave receiving antenna, described millimeter wave emitting antenna and described millimeter wave receiving antenna forming surface formula millimeter wave antenna array, described formula millimeter wave antenna array is to sector scanning to be measured, described millimeter wave emitting antenna connects described millimeter-wave signal and launches driver module, described millimeter wave receiving antenna connects described millimeter-wave signal acquisition module, described millimeter-wave signal processing module connects described millimeter-wave signal acquisition module.
2. the 3D hologram imaging safe examination system of face formula millimeter wave scanning according to claim 1, is characterized in that, described millimeter wave emitting antenna and described millimeter wave receiving antenna interval arrange and form described formula millimeter wave antenna array.
3. the 3D hologram imaging safe examination system of face formula millimeter wave scanning according to claim 2, is characterized in that, described millimeter wave emitting antenna and described millimeter wave receiving antenna are horizontally arranged at interval or longitudinal separation is arranged.
4. the 3D hologram imaging safe examination system of face formula millimeter wave scanning according to claim 1, is characterized in that, described formula millimeter wave antenna array forms plane or curved surface.
5. the 3D hologram imaging safe examination system of face formula millimeter wave scanning according to claim 1, it is characterized in that, also comprise the fixed frame of stationary plane formula millimeter wave antenna array, described formula millimeter wave antenna array is arranged on described fixed frame.
6. the 3D hologram imaging safe examination system of face formula millimeter wave scanning according to claim 1, it is characterized in that, described formula millimeter wave antenna array is one or more.
7. the 3D hologram imaging safe examination system of face formula millimeter wave scanning according to claim 6, it is characterized in that, described multiple formula millimeter wave antenna arrays are separately positioned on different azimuth.
8. the 3D hologram imaging safe examination system of face formula millimeter wave scanning according to claim 1, it is characterized in that, described formula millimeter wave antenna array is two, and described two face formula millimeter wave antenna arrays region relatively to be scanned is arranged.
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| CN201520505695.9U CN205139395U (en) | 2015-07-13 | 2015-07-13 | Three -dimensional holographic imaging security inspection system of face formula millimeter wave scanning |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991283A (en) * | 2015-07-13 | 2015-10-21 | 深圳市一体太赫兹科技有限公司 | Surface-type millimeter wave scanning three-dimensional holographic imaging safety check system |
| CN105759315A (en) * | 2016-04-26 | 2016-07-13 | 深圳市无牙太赫兹科技有限公司 | Scanning mechanism and safety inspection instrument possessing the scanning mechanism |
| CN109946748A (en) * | 2019-03-18 | 2019-06-28 | 北京环境特性研究所 | Thinned array antenna design method applied to cylinder scanning safety check imaging system |
-
2015
- 2015-07-13 CN CN201520505695.9U patent/CN205139395U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991283A (en) * | 2015-07-13 | 2015-10-21 | 深圳市一体太赫兹科技有限公司 | Surface-type millimeter wave scanning three-dimensional holographic imaging safety check system |
| CN105759315A (en) * | 2016-04-26 | 2016-07-13 | 深圳市无牙太赫兹科技有限公司 | Scanning mechanism and safety inspection instrument possessing the scanning mechanism |
| US10795015B2 (en) | 2016-04-26 | 2020-10-06 | Shenzhen Cct Thz Technology Co., Ltd. | Scanning apparatus and security-inspection device with the same |
| CN109946748A (en) * | 2019-03-18 | 2019-06-28 | 北京环境特性研究所 | Thinned array antenna design method applied to cylinder scanning safety check imaging system |
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Address after: 518000 building 3, 5A, Taihua Indus Industrial Park, Baoan District City, Shenzhen, Guangdong. Patentee after: Shenzhen Terahertz Technology Co., Ltd. Address before: 518000, 601, 6th Floor, Maohua Building, Qiaobei Second Road, Xiangshan Street, Overseas Chinese Town, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN YITI TERAHERTZ TECHNOLOGY CO., LTD. |