CN109031286A - A kind of Terahertz safety check instrument based on compressed sensing principle and THz imaging technology - Google Patents
A kind of Terahertz safety check instrument based on compressed sensing principle and THz imaging technology Download PDFInfo
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- CN109031286A CN109031286A CN201811019365.3A CN201811019365A CN109031286A CN 109031286 A CN109031286 A CN 109031286A CN 201811019365 A CN201811019365 A CN 201811019365A CN 109031286 A CN109031286 A CN 109031286A
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- terahertz
- safety check
- fixedly installed
- check instrument
- bracket
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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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/887—Radar or analogous systems specially adapted for specific applications for detection of concealed objects, e.g. contraband or weapons
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a kind of Terahertz safety check instrument based on compressed sensing principle and THz imaging technology, bracket including pedestal He the side of being mounted on the base, the front end of the bracket is installed by welding with column, and grafting is equipped with postposition pull rod on column, the front end grafting of the postposition pull rod is equipped with preposition pull rod, the end of the preposition pull rod is fixedly installed with isolation board, and the lower end of pedestal is fixedly installed with idler wheel, and the left and right ends of the bracket are fixedly installed with detection device.The Terahertz safety check instrument that the present invention designs is made of four pedestal, bracket, console and detection device functional components that can be split, it not only facilitates and moves and transport, and greatly improve the locomotivity of the device, vehicle is able to use temporarily to transport the device to the place for needing to carry out temporary detecting, the working range of the device is improved, which can also effectively treat testing staff and carry out the comprehensive Terahertz inspection without dead angle.
Description
Technical field
The present invention relates to Terahertz safety check instrument design fields, specially a kind of to be based on compressed sensing principle and Terahertz
The Terahertz safety check instrument of imaging technique.
Background technique
The attack of terrorism has become the new century and threatens human life's very important a part safely, therefore to flow of the people
Setting rays safety detection apparatus has become the necessary means for preventing the attack of terrorism in big or important communal facility.Traditional safety check
Artificial progress is relied primarily on, but artificial detection is not thorough, therefore X-ray safety check instrument gradually starts to be widely used, but X-ray safety check
Instrument itself has certain injury to human body, therefore China also starts the more advanced rays safety detection apparatus of use gradually and replaces X-ray
Safety check instrument, wherein Terahertz safety check instrument just belongs to a kind of safer rays safety detection apparatus.Terahertz safety check instrument relies primarily on terahertz
Hereby imaging technique carries out safety check, and due to needing to extract a large amount of picture signal in detection process, therefore Terahertz safety check instrument is generally adopted
It carries out signal with compressed sensing technology to simplify, but existing Terahertz safety check instrument also has certain defective, essentially consists in peace
It is generally relatively narrow to examine channel, and existing Terahertz safety check instrument is mainly passive type safety check instrument, therefore the range detected is limited, not only
It will receive the influence of height, and since existing security check passage belongs to straight channel, cause before being difficult effectively to detect user
Rear region reduces the accuracy rate of detection to cause a large amount of detection dead angle.And existing Terahertz safety check instrument is still
Continue traditional unitary design thinking, leads to equipment entirety difficult, it is not readily transportable and rearrange, so as to cause it
Using area is firstly it is difficult to effectively cope with the use demand in different urgent occasions.
It is able to solve if a kind of detection can be invented without dead angle and if facilitating the novel Terahertz safety check of carrying such
Problem, we provide a kind of thus Terahertz safety check instrument based on compressed sensing principle and THz imaging technology.
Summary of the invention
The Terahertz safety check based on compressed sensing principle and THz imaging technology that the purpose of the present invention is to provide a kind of
Instrument, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: it is a kind of based on compressed sensing principle and Terahertz at
As the Terahertz safety check instrument of technology, the front end of the bracket including pedestal He the side of being mounted on the base, the bracket is installed by welding with
Column, and grafting is equipped with postposition pull rod on column, the front end grafting of the postposition pull rod is equipped with preposition pull rod, described preposition
The end of pull rod is fixedly installed with isolation board, and the lower end of pedestal is fixedly installed with idler wheel, and the left and right ends of the bracket are fixed
Detection device is installed, and the upper and lower ends of detection device are fixedly installed with concave mirror driving motor, the concave mirror driving
The end driving of motor has concave mirror, and the bottom of detection device is fixedly installed with lifting device, the driving of the lifting device
End is fixedly installed with Mobile base, and mirror drive motor is fixedly installed on Mobile base, the mirror drive motor
Driving end is fixedly installed with shaft, and circular array is equipped at least six reflecting mirrors in shaft, the detection device
Upper and lower ends are separately installed with top terahertz signal receiver and lower section terahertz signal receiver, and fixed in detection device
Terahertz signal generator is installed, the rear of the bracket is fixedly installed with console, and the rear of console is fixedly mounted
There is display, safety check instrument controller is installed, and be fixedly installed with input equipment on console below the console, it is described
Safety check instrument controller respectively with input equipment, display, top terahertz signal receiver, lower section terahertz signal receiver,
Terahertz signal generator, concave mirror driving motor and mirror drive electrical connection of motor.
Preferably, location hole is equidistantly provided on the postposition pull rod, and the upper end of column is spirally connected to be equipped with and draw with postposition
The matched positioning spiral shell button of location hole on bar.
Preferably, the bottom of the bracket is hingedly equipped at the lower section of corresponding isolation board facilitates personnel to be detected or more
Ancillary oblique plate, and be provided with anti-skid rubber cushion above ancillary oblique plate.
Preferably, the lifting device is ball screw rod type motor push rod, and safety check instrument controller is microcomputer.
Preferably, the input equipment includes keyboard, mouse and control handle, and the anti-raw device of Terahertz is vacuum electronic device
Part.
Preferably, the front end of the console is fixedly installed with the metal detector being electrically connected with safety check instrument controller.
Preferably, it is spirally connected fixation by bolt respectively between the pedestal, bracket, console and detection device.
Compared with prior art, the beneficial effects of the present invention are: the Terahertz safety check instrument that designs of the present invention is by pedestal, branch
The functional component composition that frame, console and detection device four can split, not only facilitates and moves and transport, but also greatly
The locomotivity for improving the device is able to use vehicle and temporarily transports the device to the place for needing to carry out temporary detecting,
The working range of the device is improved, which can also effectively treat testing staff and carry out the comprehensive Terahertz without dead angle
Check, can not only passive type inspection, and can be by actively emitting the active inspection of terahertz signal progress, the device
Use can be cooperateed with to improve security check to greatly expand safety check range with other detection devices, had very high
Practical value.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the rearview of structure of the invention；
Fig. 3 is the assembling schematic diagram of bracket of the present invention；
Fig. 4 is the assembling schematic diagram of detection device of the present invention.
In figure: 1 pedestal, 2 brackets, 3 consoles, 4 detection devices, 5 idler wheels, 6 metal detectors, 7 mirror drive motors,
8 concave mirror driving motors, 9 safety check instrument controllers, 10 reflecting mirrors, 11 lifting devices, 12 input equipments, 13 displays, 14 isolation
Plate, 15 ancillary oblique plates, 16 columns, 17 Mobile bases, 18 postposition pull rods, 19 positioning spiral shell buttons, 20 preposition pull rods, 21 concave mirrors, 22
Top terahertz signal receiver, 23 terahertz signal generators, 24 lower section terahertz signal receivers, 25 shafts.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Technical solution in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: one kind is based on compressed sensing principle and terahertz imaging skill
The Terahertz safety check instrument of art, including pedestal 1 and the bracket 2 being mounted on above pedestal 1, the front end of bracket 2 is installed by welding with column
16, and grafting is equipped with postposition pull rod 18 on column 16, the front end grafting of postposition pull rod 18 is equipped with preposition pull rod 20, preposition drawing
The end of bar 20 is fixedly installed with isolation board 14, and the lower end of pedestal 1 is fixedly installed with idler wheel 5, and the left and right ends of bracket 2 are fixed
Detection device 4 is installed, and the upper and lower ends of detection device 4 are fixedly installed with concave mirror driving motor 8, concave mirror driving electricity
The end driving of machine 8 has concave mirror 21, and the bottom of detection device 4 is fixedly installed with lifting device 11, the drive of lifting device 11
Dynamic end is fixedly installed with Mobile base 17, and mirror drive motor 7 is fixedly installed on Mobile base 17, mirror drive motor
7 driving end is fixedly installed with shaft 25, and circular array is equipped at least six reflecting mirrors 10, detection dress in shaft 25
The upper and lower ends for setting 4 are separately installed with top terahertz signal receiver 22 and lower section terahertz signal receiver 24, and detect
It is fixedly installed with terahertz signal generator 23 on device 4, the rear of bracket 2 is fixedly installed with console 3, and console 3
Rear is fixedly installed with display 13, and the lower section of console 3 is equipped with safety check instrument controller 9, and is fixedly installed on console 3
Input equipment 12, safety check instrument controller 9 respectively with input equipment 12, display 13, top terahertz signal receiver 22, lower section
Terahertz signal receiver 24, terahertz signal generator 23, concave mirror driving motor 8 and mirror drive motor 7 electrically connect
It connects.
Further, equidistantly it is provided with location hole on postposition pull rod 18, and the upper end of column 16 is spirally connected and is equipped with and postposition
The matched positioning spiral shell button 19 of location hole on pull rod 18.
Further, the bottom of bracket 2 is hingedly equipped at the lower section of corresponding isolation board 14 and facilitates on personnel to be detected
Under ancillary oblique plate 15, and the top of ancillary oblique plate 15 is provided with anti-skid rubber cushion.
Further, lifting device 11 is ball screw rod type motor push rod, and safety check instrument controller 9 is microcomputer.
Further, input equipment 12 includes keyboard, mouse and control handle, and the anti-raw device 23 of Terahertz is vacuum electronic
Device.
Further, the front end of console 3 is fixedly installed with the metal detector being electrically connected with safety check instrument controller 9.
Further, it is spirally connected fixation by bolt respectively between pedestal 1, bracket 2, console 3 and detection device 4.
Working principle: the device is made of 4 four pedestal 1, bracket 2, console 3 and detection device functional components, is being transported
Transport can be individually dismantled during defeated, to reduce the difficulty of transport, also reduces the difficulty of carrying, and pedestal 1 also can
Enough auxiliary are carried, and so as to make the device carry out interim mobile operation, have better operation flexibility.The device exists
It is detected in use, personnel to be detected enter in bracket 2 along ancillary oblique plate 15, due to people to be detected under normal circumstances
Member needs to surround postposition pull rod 18 and rotates 180 °, therefore can treat testing staff by detection device 4 and carry out comprehensive inspection
It surveys, reflecting mirror 10 and concave mirror 21 can not only be rotated during detection, and reflecting mirror 10 itself also can be
It is gone up and down under the driving of lifting device 11, so that larger range of terahertz signal enters top terahertz signal
Receiver 22 or lower section terahertz signal receiver 24, so that whole body can not only be carried out to the personnel to be detected of different heights
Signal detection, and can be for carrying out special accurate detection at different height and positions, and the device can not only be by
The terahertz signal of dynamic reception human-body emitting, and Terahertz letter can be actively generated by terahertz signal generator 23
Number, to improve the precision of detection, while the top terahertz signal receiver 22 and lower section terahertz signal of the device receive
Device 24 has been all made of the transmission that compressed sensing technology carries out detection signal, therefore the shift in position band of reflecting mirror 10 and concave mirror 21
The a large amount of detection signals come will not cause excessive influence after the compression by compressed sensing technology to conveying circuit, thus
The safety and stability of detection signal transmission process is ensured.The device can also be with the equal detection devices association of metal detector 6
With using, to improve the range of detection, and using simplicity, do not need to treat the closed detection of testing staff's progress, while energy
Enough ensure is detected without dead angle, therefore has very high use value.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of Terahertz safety check instrument based on compressed sensing principle and THz imaging technology, including pedestal (1) and it is mounted on
Bracket (2) above pedestal (1), it is characterised in that: the front end of the bracket (2) is installed by welding with column (16), and column
(16) grafting is equipped with postposition pull rod (18) on, and the front end grafting of the postposition pull rod (18) is equipped with preposition pull rod (20), institute
The end for stating preposition pull rod (20) is fixedly installed with isolation board (14), and the lower end of pedestal (1) is fixedly installed with idler wheel (5), institute
The left and right ends for stating bracket (2) are fixedly installed with detection device (4), and the upper and lower ends of detection device (4) are fixedly installed with
The end driving of concave mirror driving motor (8), the concave mirror driving motor (8) has concave mirror (21), and detection device (4)
Bottom is fixedly installed with lifting device (11), and the driving end of the lifting device (11) is fixedly installed with Mobile base (17), and
It is fixedly installed on Mobile base (17) mirror drive motor (7), the fixed peace in the driving end of the mirror drive motor (7)
Equipped with shaft (25), and in shaft (25), circular array is equipped at least six reflecting mirrors (10), the detection device (4)
Upper and lower ends are separately installed with top terahertz signal receiver (22) and lower section terahertz signal receiver (24), and detect dress
It sets and is fixedly installed on (4) terahertz signal generator (23), the rear of the bracket (2) is fixedly installed with console (3), and
The rear of console (3) is fixedly installed with display (13), is equipped with safety check instrument controller (9) below the console (3),
And input equipment (12) are fixedly installed on console (3), the safety check instrument controller (9) respectively with input equipment (12), aobvious
Show device (13), top terahertz signal receiver (22), lower section terahertz signal receiver (24), terahertz signal generator
(23), concave mirror driving motor (8) and mirror drive motor (7) are electrically connected.
2. a kind of Terahertz safety check instrument based on compressed sensing principle and THz imaging technology according to claim 1,
It is characterized by: being equidistantly provided with location hole on the postposition pull rod (18), and the upper end of column (16) is spirally connected and is equipped with after
Set the matched positioning spiral shell button (19) of location hole on pull rod (18).
3. a kind of Terahertz safety check instrument based on compressed sensing principle and THz imaging technology according to claim 1,
It is characterized by: the bottom of the bracket (2) is hingedly equipped at the lower section of corresponding isolation board (14) facilitates personnel to be detected
Upper and lower ancillary oblique plate (15), and anti-skid rubber cushion is provided with above ancillary oblique plate (15).
4. a kind of Terahertz safety check instrument based on compressed sensing principle and THz imaging technology according to claim 1,
It is characterized by: the lifting device (11) is ball screw rod type motor push rod, and safety check instrument controller (9) is miniature calculating
Machine.
5. a kind of Terahertz safety check instrument based on compressed sensing principle and THz imaging technology according to claim 1,
It is characterized by: the input equipment (12) includes keyboard, mouse and control handle, and Terahertz anti-raw device (23) is vacuum electric
Sub- device.
6. a kind of Terahertz safety check instrument based on compressed sensing principle and THz imaging technology according to claim 1,
It is characterized by: the front end of the console (3) is fixedly installed with the metal detection being electrically connected with safety check instrument controller (9)
Instrument.
7. a kind of Terahertz safety check instrument based on compressed sensing principle and THz imaging technology according to claim 1,
It is characterized by: it is solid to be spirally connected respectively by bolt between the pedestal (1), bracket (2), console (3) and detection device (4)
It is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811019365.3A CN109031286B (en) | 2018-09-03 | 2018-09-03 | Terahertz security check instrument based on compressed sensing principle and terahertz imaging technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811019365.3A CN109031286B (en) | 2018-09-03 | 2018-09-03 | Terahertz security check instrument based on compressed sensing principle and terahertz imaging technology |
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| Publication Number | Publication Date |
|---|---|
| CN109031286A true CN109031286A (en) | 2018-12-18 |
| CN109031286B CN109031286B (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811019365.3A Active CN109031286B (en) | 2018-09-03 | 2018-09-03 | Terahertz security check instrument based on compressed sensing principle and terahertz imaging technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110554383A (en) * | 2019-09-04 | 2019-12-10 | 中国科学院电子学研究所 | MIMO annular array azimuth imaging method and device for microwave frequency band |
| CN112051215A (en) * | 2020-08-12 | 2020-12-08 | 山东闪亮智能科技有限公司 | Terahertz security inspection device and terahertz imaging system |
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| CN110554383A (en) * | 2019-09-04 | 2019-12-10 | 中国科学院电子学研究所 | MIMO annular array azimuth imaging method and device for microwave frequency band |
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| CN109031286B (en) | 2020-11-10 |
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Effective date of registration: 20200911 Address after: 215300 room 683, Xu Gong Qiao Road, Huaqiao Town, Kunshan, Suzhou, Jiangsu, 683 Applicant after: JIANGSU XINCI SUPERCONDUCTOR Co.,Ltd. Address before: 215131 No. 1 C912, Guantang Road, Xiangcheng Economic and Technological Development Zone, Suzhou City, Jiangsu Province (Caohu Science and Technology Park, Xijiao Dajiao) Applicant before: SUZHOU JENA MICROELECTRONICS Co.,Ltd. |
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