CN109085657A - A kind of non-blind area millimeter wave active safe examination system - Google Patents
A kind of non-blind area millimeter wave active safe examination system Download PDFInfo
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- CN109085657A CN109085657A CN201810924927.2A CN201810924927A CN109085657A CN 109085657 A CN109085657 A CN 109085657A CN 201810924927 A CN201810924927 A CN 201810924927A CN 109085657 A CN109085657 A CN 109085657A
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- millimeter wave
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- safety door
- antenna array
- blind area
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/005—Prospecting or detecting by optical means operating with millimetre waves, e.g. measuring the black losey radiation
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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Abstract
The present invention relates to a kind of detection targets, in particular to a kind of non-blind area millimeter wave active safe examination system, including framework, the framework is cylindrical body, the frame side wall is equipped with safety door, the framework inner sidewall is equipped with millimeter wave switched antenna array and balance weight assembly, the framework upper surface is equipped with millimeter wave transceiver, the millimeter wave transceiver is connect with the millimeter wave switched antenna array, detectable signal is provided to millimeter wave switched antenna array, the framework upper surface is additionally provided with image processing module, the framework central axis is equipped with the servo runner assembly through framework upper and lower end face.Millimeter wave switched antenna array of the invention does 360 ° of circular scannings along safe examination system central axis, compared with two groups of aerial arrays of traditional product respectively scan 120 °, can detect human body side, realizes 360 ° of non-blind area detections.
Description
Technical field
The present invention relates to a kind of detection target, in particular to a kind of non-blind area millimeter wave active safe examination system.
Background technique
In recent years, international security situation is got worse, for the public places such as airport, station, exhibition the attack of terrorism when
There is generation, the dangerous material how rapidly effective detection human body carries become the hot spot of common people's concern.Traditional equipment is metal spy
Device or metal detection safety door are surveyed, the nonmetallic materials such as gasoline, match, explosive can not be detected.Although X-ray safety check instrument can detect
All kinds of dangerous material, but there are ionising radiations, there is certain injury to human body, can not be widely used in human body safety check.It is important at present
Exit passageway, artificial hand inspection is still most effective way.But the artificial hand inspection of formula of searching the person, not only to the quantity of safety inspector and energy
Force request is high, and invasion of privacy, and tested human feeling is poor, often causes conflict.
There are three advantages using the millimeter wave human body active safe examination system of synthetic aperture imaging principle: 1, healthy, no ionization
Radiation, using the millimeter wave wireless radio-frequency of safety, the electromagnetic wave of transmitting only has the one thousandth of mobile phone；2, special to survey article kind
Class is complete, can effectively be detected to metal, liquid, explosive, powder, sintex, match etc.；3, safety check is high-efficient, is
Five times or more of artificial hand inspection.The main direction of development as current human's rays safety detection apparatus.
Current existing millimeter wave active safe examination system divides both of which: one kind is plane formula, is switched by two groups of millimeter waves
Aerial array and transceiver composition, each one group of human body front and back, servomechanism installation drives millimeter wave switched antenna array to do plane motion,
One radar image is respectively formed to human body front and back, advantage is that system is simple, it is light-weight, it is be easily moved, the disadvantage is that people
Body side surface has detection blind area；Another kind is column type, is made of two groups of millimeter wave switched antenna arrays and transceiver, before and after human body
Each one, servomechanism installation drives millimeter wave switched antenna array to do circular motion, because to stay people to import and export, front and back circular arc
Respectively only 120 °, multiple image is respectively formed to human body front and back, is reduced than the first plane formula blind area, but also very
Hardly possible realizes non-blind area detection.In addition, the main hardware cost of millimeter wave active safe examination system in millimeter wave switched antenna array and
On transceiver, both modes have two groups of aerial arrays and transceiver, and system cost is expensive.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of non-blind area millimeter wave active safe examination system, including framework, it is described
Framework is cylindrical body, it is characterised in that: the frame side wall is equipped with safety door, and the framework inner sidewall is opened equipped with millimeter wave
Aerial array and balance weight assembly are closed, the framework upper surface is equipped with millimeter wave transceiver, the millimeter wave transceiver and the milli
The connection of metric wave switched antenna array provides detectable signal to millimeter wave switched antenna array, and the framework upper surface is additionally provided with figure
As processing module, the framework central axis is equipped with the servo runner assembly through framework upper and lower end face.
Further, the millimeter wave switched antenna array does 360 ° of circular scannings along the central axis of framework.
Further, the safety door is equipped with indicating lamp for safe.
Further, the safety door is one group.
Further, the safety door is two groups, respectively preceding safety door and rear safety door, the preceding safety door and rear safety
Door is arranged on the side wall of framework using the diameter of cylindrical body framework as spacing.
Further, the millimeter wave switched antenna array and balance weight assembly are arranged by spacing of the diameter of cylindrical body framework
On the inner sidewall of framework, it is logical that the millimeter wave switched antenna array and balance weight assembly and two groups of safety doors form square detection
Road.
Further, the safety door and servo runner assembly are connect with system control module, and the safety door is tested
Closing is measured, system control module triggers the starting of servo runner assembly, and the millimeter wave switched antenna array does 360 ° of circumference rotations
Turn.
Further, the millimeter wave transceiver provides detectable signal to millimeter wave switched antenna array, is opened by millimeter wave
The each antenna element transmitting closed in aerial array receives detectable signal, and is adopted respectively by millimeter wave transceiver to signal
Collection.
Further, the weight of the weight of the balance weight assembly and the millimeter wave switched antenna array and millimeter wave transceiver
It measures identical.
Beneficial effects of the present invention:
1, millimeter wave switched antenna array of the invention does 360 ° of circular scannings along safe examination system central axis, with traditional product
Two groups of aerial arrays respectively scan 120 ° and compare, human body side can be detected, realize 360 ° of non-blind areas detections.
2, the safe door model of list of the invention, can be placed on house corner, and save the cost saves space.
3, the safe door model in front and back of the invention can be placed at channel.Tested personnel's the past door enters；If safety check
Pass through, tested personnel go out from back door, pass through sluice gate；If safety check does not pass through, back door is not opened, and tested personnel's the past door moves back
Out, sluice gate cannot be passed through.To realize unattended self-service security check passage.
4, the present invention is after people enters safe examination system, closed safe door, can prevent the millimeter wave switch arrays collision of rotation
Human body.Safety door is closed, and complete machine servo-system could be triggered, and servo-system drives millimeter wave switched antenna array to do 360 ° of rotations
Turn, guarantees that safety door closes preceding servo-system and do not work, it is ensured that personal safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the top view of the embodiment of the present invention；
Fig. 3 is the safety check flow chart of present system mode one；
Fig. 4 is the safety check flow chart of present system mode two.
Wherein, 1, framework；2, preceding safety door；3, rear safety door；4, servo runner assembly；5, millimeter wave switch arrays；6,
Millimeter wave transceiver；7, balance weight assembly；8, image processing module；9, system control module.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
As depicted in figs. 1 and 2, the present invention has specifically been spaced apart a kind of non-blind area millimeter wave active safe examination system, including framework
1, the framework 1 is cylindrical body, and 1 side wall of framework is equipped with safety door, and the safety door is equipped with indicating lamp for safe, described
1 inner sidewall of framework is equipped with millimeter wave switched antenna array 5 and balance weight assembly 7, and 1 upper surface of framework is equipped with millimeter wave transceiving
Machine 6, the millimeter wave switched antenna array 5 do 360 ° of circular scannings along the central axis of framework 1, the millimeter wave transceiver 6 with
The millimeter wave switched antenna array 5 connects, and provides detectable signal to millimeter wave switched antenna array 5, switchs day by millimeter wave
Each antenna element transmitting in linear array 5 receives detectable signal, and is acquired respectively by millimeter wave transceiver 6 to signal,
1 upper surface of framework is additionally provided with image processing module 8, and 1 central axis of framework is equipped with through framework upper and lower end face
Servo runner assembly 4.
Wherein, the safety door is one group, can be placed on house corner, and save the cost saves space；The safety door
It is two groups, respectively preceding safety door 2 and rear safety door 3, the preceding safety door 2 and rear safety door 3 are with the diameter of cylindrical body framework 1
Spacing is arranged on the side wall of framework 1, can be placed at channel；The safety door and servo runner assembly 4 and system control
Molding block 9 connects, and when safety door is detected closing, system control module 9 triggers servo runner assembly 4 and starts, the millimeter
Wave switched antenna array 5 does 360 ° of circle rotations.
The millimeter wave switched antenna array 5 is arranged by spacing of the diameter of cylindrical body framework 1 in framework with balance weight assembly 7
On 1 inner sidewall, the millimeter wave switched antenna array 5 and balance weight assembly 7 and two groups of safety doors form square sense channel.
Embodiment one:
As shown in figure 3, the safety door is one group of setting, the course of work: the safety door is opened, be detected personnel into
Enter；Safety door is closed；The millimeter wave switch arrays 5 are driven by servo runner assembly 4, do 360 ° along rays safety detection apparatus central axis
Circular scanning, the antenna array unit successively emit according to timing requirements and receive millimeter-wave signal；Described image handles mould
Block 8 carries out image procossing according to signal is received to form the 3-D image of human body and dangerous material；Preceding safety door is opened, and personnel are detected
It leaves, the effect of balance weight assembly 7 is to maintain 4 counterweight balance of servo runner assembly.
Embodiment two:
As shown in figure 4, the safety door is two groups of settings, the course of work: preceding safety door is opened, at this point, rear safety door
It closes, is detected personnel and enters；Preceding safety door is closed；Millimeter wave switch arrays 5 are driven by servo runner assembly 4, are set along safety check
Standby central axis does 360 ° of circular scannings, and antenna array unit successively emits according to timing requirements and receive millimeter-wave signal；Image
Processing module 8 carries out image procossing according to signal is received to form the 3-D image of human body and dangerous material, and image identification system is certainly
Dynamic hazard recognition product；If safety check is qualified, rear safety door 3 is opened, and tested personnel pass through；If safety check is unqualified, preceding peace
Air cock 2 is opened, and tested personnel retract；Safety inspector is manually rechecked according to the doubtful position of dangerous material of machine identification, weight set
The effect of part 7 is to maintain servo rotating device counterweight balance.
The system requirements is detected personnel and enters region to be checked, and preceding safety door 2, rear safety door 3 could trigger servo after closing
Runner assembly 4 works, and guarantees that millimeter wave antenna array 5 and balance weight assembly 7 will not be contacted with people, it is ensured that personnel safety.
The above content is embodiment detailed description of the invention is combined, the invention is not limited to above description.It is right
For the those of ordinary skill of technical field of the present invention, without departing from the inventive concept of the premise, it can make several
Simple deduction or replace, all should be considered as protection scope of the present invention.
Claims (9)
1. a kind of non-blind area millimeter wave active safe examination system, including framework, the framework is cylindrical body, it is characterised in that: described
Frame side wall is equipped with safety door, and the framework inner sidewall is equipped with millimeter wave switched antenna array and balance weight assembly, the frame
Body upper surface is equipped with millimeter wave transceiver, and the millimeter wave transceiver is connect with the millimeter wave switched antenna array, to millimeter
Wave switched antenna array provides detectable signal, and the framework upper surface is additionally provided with image processing module, the framework central axis
It is equipped with the servo runner assembly through framework upper and lower end face.
2. non-blind area millimeter wave active safe examination system according to claim 1, it is characterised in that: the millimeter wave switchs day
Linear array does 360 ° of circular scannings along the central axis of framework.
3. non-blind area millimeter wave active safe examination system according to claim 1, it is characterised in that: the safety door is equipped with
Indicating lamp for safe.
4. non-blind area millimeter wave active safe examination system according to claim 3, it is characterised in that: the safety door is one
Group.
5. non-blind area millimeter wave active safe examination system according to claim 3, it is characterised in that: the safety door is two
Group, respectively preceding safety door and rear safety door, the preceding safety door and rear safety door are arranged by spacing of the diameter of cylindrical body framework
On the side wall of framework.
6. non-blind area millimeter wave active safe examination system according to claim 1, it is characterised in that: the millimeter wave switchs day
Linear array and balance weight assembly are arranged on the inner sidewall of framework using the diameter of cylindrical body framework as spacing, and the millimeter wave switchs day
Linear array and balance weight assembly and two groups of safety doors form square sense channel.
7. non-blind area millimeter wave active safe examination system according to claim 1, it is characterised in that: the safety door and watch
It takes runner assembly to connect with system control module, the safety door is detected closing, and system control module triggers servo rotation
Component starting, the millimeter wave switched antenna array do 360 ° of circle rotations.
8. non-blind area millimeter wave active safe examination system according to claim 1, it is characterised in that: the millimeter wave transceiver
Detectable signal is provided to millimeter wave switched antenna array, is emitted by each antenna element in millimeter wave switched antenna array and is received
Detectable signal, and signal is acquired by millimeter wave transceiver respectively.
9. non-blind area millimeter wave active safe examination system according to claim 1, it is characterised in that: the weight of the balance weight assembly
It measures identical as the weight of the millimeter wave switched antenna array and millimeter wave transceiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810924927.2A CN109085657A (en) | 2018-08-14 | 2018-08-14 | A kind of non-blind area millimeter wave active safe examination system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810924927.2A CN109085657A (en) | 2018-08-14 | 2018-08-14 | A kind of non-blind area millimeter wave active safe examination system |
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| CN109085657A true CN109085657A (en) | 2018-12-25 |
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ID=64793376
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| CN201810924927.2A Pending CN109085657A (en) | 2018-08-14 | 2018-08-14 | A kind of non-blind area millimeter wave active safe examination system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109709621A (en) * | 2019-01-31 | 2019-05-03 | 山东雷诚电子科技有限公司 | A kind of method of millimeter wave human body security check system and target depth label |
| CN112162327A (en) * | 2020-08-18 | 2021-01-01 | 欧必翼太赫兹科技(北京)有限公司 | Holographic imaging security inspection equipment |
| CN112379372A (en) * | 2020-11-27 | 2021-02-19 | 杭州睿影科技有限公司 | Millimeter wave holographic imaging method and device and security inspection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112379372A (en) * | 2020-11-27 | 2021-02-19 | 杭州睿影科技有限公司 | Millimeter wave holographic imaging method and device and security inspection system |
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Application publication date: 20181225 |
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| RJ01 | Rejection of invention patent application after publication |