CN102914802A - Millimeter wave imaging scanning detection device and system - Google Patents
Millimeter wave imaging scanning detection device and system Download PDFInfo
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- CN102914802A CN102914802A CN2012104012653A CN201210401265A CN102914802A CN 102914802 A CN102914802 A CN 102914802A CN 2012104012653 A CN2012104012653 A CN 2012104012653A CN 201210401265 A CN201210401265 A CN 201210401265A CN 102914802 A CN102914802 A CN 102914802A
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Abstract
The invention discloses a millimeter wave imaging scanning detection device, which comprises a bracket, a millimeter wave emission source, a vertical guide rail, an objective table and a horizontal guide rail, wherein the bracket has a platy structure; the millimeter wave emission source is used for emitting millimeter waves; the vertical guide rail is arranged on one side face of the bracket; the objective table is connected to the vertical guide rail in a sliding mode and is used for bearing the millimeter wave emission source; the horizontal guide rail is arranged on the objective table; and the millimeter wave emission source is connected to the objective table through the horizontal guide rail in a sliding mode. When working, the millimeter wave imaging scanning detection system is low in radiation dosage and causes small harm to human bodies, thus being beneficial to large-scale application. The invention also provides a millimeter wave imaging scanning detection system.
Description
Technical field
The present invention relates to the safety check technical field, particularly relate to a kind of mm-wave imaging scanning detection apparatus and system.
Background technology
Millimeter wave is that wavelength is 1～10 millimeter electromagnetic wave, and it is positioned at the wavelength coverage that microwave and far infrared wave overlap mutually.Millimeter wave is having great meaning aspect communication, radar, guidance, remote sensing technology, radioastronomy and the Wave Spectrum.Utilize the millimeter-wave frequency of atmospheric window can realize jumbo satellite-ground communication or terrestrial repetition communication.Utilize narrow beam and the low side lobe performance of millimeter wave antenna can realize low elevation angle Precision tracking radar and imaging radar.When long-range missile or spacecraft are reentried, need to adopt the millimeter wave that can penetrate smoothly plasma to realize communication and guidance.High-resolution millimeter wave radiometer is applicable to the remote sensing of meteorologic parameter.The radiation wave spectrum of surveying the cosmic space with the radio astronomical telescope of millimeter wave and submillimeter wave can be inferred the composition of interstellar medium.
Millimeter wave has good penetrability and very high spatial resolution, and emittance is also lower simultaneously.And traditional security detection equipment that can be directly used in human body, such as X-ray equipment etc., the X ray energy that it sends is stronger, and when safety detection, its radiation dose is higher, easily human body is damaged.
Summary of the invention
Based on this, be necessary the mm-wave imaging scanning detection apparatus that provides a kind of radiation dose lower.
A kind of mm-wave imaging scanning detection apparatus comprises:
Support is platy structure;
The millimeter wave emissive source is used for the emission millimeter wave;
Upright guide rail is arranged on the side of described support;
Objective table is connected on the described upright guide rail slidably, and described objective table is used for carrying millimeter wave emissive source; And
Horizontal guide rail is arranged on the described objective table, and described millimeter wave emissive source is connected on the described objective table slidably by described horizontal guide rail.
Among embodiment, also comprise therein:
The first motor is arranged on the described support, and is positioned at an end of described upright guide rail;
The first transmission shaft is arranged on the described upright guide rail, and described the first motor is connected with described objective table by described the first transmission shaft, and described the first motor drives described objective table by described the first transmission shaft and slides at described upright guide rail;
The second motor is arranged on the described objective table, and is positioned at an end of described horizontal guide rail; And
Second driving shaft is arranged on the described horizontal guide rail, and described the second motor is connected with described millimeter wave emissive source by described second driving shaft, and described the second motor drives described millimeter wave emissive source by described second driving shaft and slides at described horizontal guide rail.
Among embodiment, described the first motor and described the second motor are stepper motor therein.
Among embodiment, also comprise controller therein, with described the first motor and the communication connection of described the second motor, described controller is used for controlling described the first motor and described the second motor.
Among embodiment, also comprise base therein, described support is trapezoidal platy structure, and its bottom is arranged on the described base.
Among embodiment, also comprise metal box therein, described metal box is arranged on the described base, and described controller is contained in the described metal box.
Among embodiment, described base is processed into by steel plate or marble slabs therein.
In addition, also be necessary to provide a kind of mm-wave imaging scanning-detecting system that uses above-mentioned mm-wave imaging scanning detection apparatus.
A kind of mm-wave imaging scanning-detecting system comprises:
Above-mentioned mm-wave imaging scanning detection apparatus; And
Inspection chamber comprises:
Equipment compartment is used for accommodating described mm-wave imaging scanning detection apparatus;
Millimeter wave absorbs the cabin, and over against described millimeter wave emissive source, described millimeter wave absorbs the cabin and is filled with material of absorbing millimeter wave, and described material of absorbing millimeter wave is used for absorbing the millimeter wave that described millimeter wave emissive source is launched; And
The scanning cabin absorbs between the cabin at described equipment compartment and described millimeter wave, and the millimeter wave that described millimeter wave emissive source is launched reaches described millimeter wave from described equipment compartment and absorbs the cabin through described scanning cabin.
Among embodiment, described equipment compartment, described scanning cabin and described millimeter wave absorb between the cabin to be separated by polyfluortetraethylene plate therein.
Among embodiment, described equipment compartment and described scanning cabin removably connect therein, and described scanning cabin and described millimeter wave absorb the cabin and removably connect.
Above-mentioned mm-wave imaging scanning-detecting system is when work, the millimeter wave that sends by the millimeter wave emissive source that carries on the mm-wave imaging scanning detection apparatus, the detected person who is arranged in inspection chamber is detected, when doing safety check, can clearly differentiate detected person's entrained dangerous goods such as cutter with it.Its radiation dose is lower simultaneously, and is less to the human injury, is conducive to large-scale use.
Description of drawings
Fig. 1 is the structural drawing of the mm-wave imaging scanning-detecting system of an embodiment;
Fig. 2 is the concrete structure figure of mm-wave imaging scanning detection apparatus shown in Figure 1.
Embodiment
For the ease of understanding the present invention, the below is described more fully the present invention with reference to relevant drawings.Provided preferred embodiments of the present invention in the accompanying drawing.But the present invention can realize with many different forms, be not limited to embodiment described herein.On the contrary, provide the purpose of these embodiments be make to disclosure of the present invention understand more comprehensively thorough.
Need to prove that when element is called as " being fixed in " another element, can directly can there be element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be to be directly connected to another element or may to have simultaneously centering elements.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement do not represent it is unique embodiment just for illustrative purposes.
Unless otherwise defined, the employed all technology of this paper are identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.Employed term is not intended to be restriction the present invention just in order to describe the purpose of concrete embodiment in instructions of the present invention herein.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
See also Fig. 1, the mm-wave imaging scanning-detecting system 10 of present embodiment comprises mm-wave imaging scanning detection apparatus 100 and inspection chamber 200, and mm-wave imaging scanning detection apparatus 100 is arranged in the inspection chamber 200.The detected person can accept mm-wave imaging scanning in inspection chamber 200.
See also Fig. 2, mm-wave imaging scanning detection apparatus 100 comprises base 110, support 120, upright guide rail 130, objective table 140, horizontal guide rail 150 and millimeter wave emissive source 160.Support 120 is platy structure, and is arranged on the base 110.Upright guide rail 130 is arranged on the side of support 120, and objective table 140 is connected on the upright guide rail 130 slidably, and objective table 140 is used for carrying millimeter wave emissive source 160.Horizontal guide rail 150 is arranged on the objective table 140, and millimeter wave emissive source 160 is connected on the objective table slidably by horizontal guide rail 150.
During work, the detected person stands in millimeter wave emissive source 160 over against the position, millimeter wave emissive source 160 can be mobile in the horizontal direction by horizontal guide rail 150, also can carry out vertical direction at upright guide rail with objective table 140 and move, and comes the detected person is carried out multi-faceted scanning.
In order to drive the motion of millimeter wave emissive source 160, mm-wave imaging scanning detection apparatus 100 also comprises the first motor (not shown) and the second motor (not shown).The first motor is arranged on the support 120, and is positioned at an end of upright guide rail 130.Also be provided with the first transmission shaft (not shown) on the upright guide rail, the first motor is connected with objective table 140 by the first transmission shaft.The first motor drives objective table 140 by the first transmission shaft and slides at upright guide rail 130.
The second motor is arranged on the objective table 140, and is positioned at an end of horizontal guide rail 150.Also be provided with the second driving shaft (not shown) on the horizontal guide rail 150, the second motor is connected with millimeter wave emissive source 160 by second driving shaft, and the second motor drives millimeter wave emissive source 160 by second driving shaft and slides at horizontal guide rail 150.
Above-mentioned the first motor and the second motor are stepper motor, mm-wave imaging scanning detection apparatus 100 also comprises metal box 170, contain the controller with the first motor and the communication connection of the second motor in the metal box 170, controller is used for sending pulse signal to the first motor and the second motor, the first motor and the second motor are accurately controlled the movement of millimeter wave emissive source 160 according to pulse signal, can accurately shine the position of detected person's required detection with it.Also contain power supply and servo-drive system in the metal box 170, metal box 170 has good signal shielding performance, controller, power supply and the servo-drive system that its inside is accommodated can not be subject to the interference of millimeter wave emissive source 160 when work, improved the stability of mm-wave imaging scanning detection apparatus 100 work.
Specifically in the present embodiment, base 110 is rectangular plate shape, can be processed into by thicker steel plate or marble slabs, to improve its bearing capacity.Be provided with castor and fixing feet nail on 110 4 jiaos of the bases, with the movement that makes things convenient for mm-wave imaging scanning detection apparatus 100 or fixing.
See also Fig. 1 and Fig. 2, inspection chamber 200 is enclosed construction, and it comprises that equipment compartment 210, millimeter wave absorb cabin 230 and scanning cabin 220.Equipment compartment 210 is used for accommodating mm-wave imaging scanning detection apparatus 100.Millimeter wave absorbs cabin 230 over against millimeter wave emissive source 160, and millimeter wave absorbs cabin 230 and is filled with material of absorbing millimeter wave, is used for absorbing the millimeter wave that millimeter wave emissive source 160 is launched.Specifically in the present embodiment, material of absorbing millimeter wave is coupling ferrite foam pyramid absorbing material.Absorb cabin 230 interior filling material of absorbing millimeter waves at millimeter wave, can effectively absorb unnecessary millimeter wave, reduce background interference, avoid simultaneously the interference of external electromagnetic radiation, and then improved signal to noise ratio (S/N ratio).
Scanning cabin 220 absorbs between the cabin 230 at equipment compartment 210 and millimeter wave, and the millimeter wave that the millimeter wave emissive source is launched arrives millimeter wave by equipment compartment 110 through scanning cabin 120 and absorbs cabin 130.Equipment compartment 210, scanning cabin 220 and millimeter wave absorb 230 in cabin and pass through demarcation strip 240 separations.Demarcation strip 240 can be polyfluortetraethylene plate, and millimeter wave can effectively penetrate polyfluortetraethylene plate.
The detected person can stand in scanning cabin 220, accepts the irradiation of the millimeter wave that millimeter wave emissive source 160 sends.Scanning cabin 220 can be the passage shape, but both sides are provided with the glass door (not shown) of automatic shutter, to make things convenient for the detected person to stand and to pass through fast, simultaneously, because inspection chamber 200 is enclosed construction, glass door can make peripheral operation personnel real-time monitored scanning cabin 220 inner detected persons' situation, also can prevent from that the detected person from producing simultaneously to put under house arrest sense in airtight inspection chamber 200.
Scanning cabin 220 outer walls are provided with the gating device (not shown), gating device and glass door communication connection, and gating device is used for the switching of control glass door.Scanning also is provided with light source in the cabin 220, so that mm-wave imaging scanning-detecting system 10 works under the environment of insufficient light.Scanning cabin 220 also is provided with voice suggestion equipment, carries out communication with the operating personnel that make things convenient for detected person and inspection chamber 200 outsides.
Above-mentioned mm-wave imaging scanning-detecting system 10 is when work, the millimeter wave that sends of millimeter wave emissive source by carrying on the mm-wave imaging scanning detection apparatus 100, the detected person who is arranged in inspection chamber 200 is detected, when doing safety check, can clearly differentiate detected person's entrained dangerous goods such as cutter with it.Its radiation dose is lower simultaneously, and is less to the human injury, is conducive to large-scale use.
It should be noted that equipment compartment 210 and scanning cabin 220 removably connect, scanning cabin 220 absorbs the cabin with millimeter wave 230 and removably connects.Inspection chamber 10 may be split into equipment compartment 210, scanning cabin 220 and millimeter wave and absorbs independently part of 230 3 in cabin, so that the transportation of mm-wave imaging scanning-detecting system 10 and deployment.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a mm-wave imaging scanning detection apparatus is characterized in that, comprising:
Support is platy structure;
The millimeter wave emissive source is used for the emission millimeter wave;
Upright guide rail is arranged on the side of described support;
Objective table is connected on the described upright guide rail slidably, and described objective table is used for carrying millimeter wave emissive source; And
Horizontal guide rail is arranged on the described objective table, and described millimeter wave emissive source is connected on the described objective table slidably by described horizontal guide rail.
2. mm-wave imaging scanning detection apparatus according to claim 1 is characterized in that, also comprises:
The first motor is arranged on the described support, and is positioned at an end of described upright guide rail;
The first transmission shaft is arranged on the described upright guide rail, and described the first motor is connected with described objective table by described the first transmission shaft, and described the first motor drives described objective table by described the first transmission shaft and slides at described upright guide rail;
The second motor is arranged on the described objective table, and is positioned at an end of described horizontal guide rail; And
Second driving shaft is arranged on the described horizontal guide rail, and described the second motor is connected with described millimeter wave emissive source by described second driving shaft, and described the second motor drives described millimeter wave emissive source by described second driving shaft and slides at described horizontal guide rail.
3. mm-wave imaging scanning detection apparatus according to claim 2 is characterized in that, described the first motor and described the second motor are stepper motor.
4. mm-wave imaging scanning detection apparatus according to claim 2 is characterized in that, also comprises controller, and with described the first motor and the communication connection of described the second motor, described controller is used for controlling described the first motor and described the second motor.
5. mm-wave imaging scanning detection apparatus according to claim 4 is characterized in that, also comprises base, and described support is trapezoidal platy structure, and its bottom is arranged on the described base.
6. mm-wave imaging scanning detection apparatus according to claim 5 is characterized in that, also comprises metal box, and described metal box is arranged on the described base, and described controller is contained in the described metal box.
7. mm-wave imaging scanning detection apparatus according to claim 5 is characterized in that, described base is processed into by steel plate or marble slabs.
8. a mm-wave imaging scanning-detecting system is characterized in that, comprising:
Such as the described mm-wave imaging scanning detection apparatus of claim 1 ~ 7 any one; And
Inspection chamber comprises:
Equipment compartment is used for accommodating described mm-wave imaging scanning detection apparatus;
Millimeter wave absorbs the cabin, and over against described millimeter wave emissive source, described millimeter wave absorbs the cabin and is filled with material of absorbing millimeter wave, and described material of absorbing millimeter wave is used for absorbing the millimeter wave that described millimeter wave emissive source is launched; And
The scanning cabin absorbs between the cabin at described equipment compartment and described millimeter wave, and the millimeter wave that described millimeter wave emissive source is launched reaches described millimeter wave from described equipment compartment and absorbs the cabin through described scanning cabin.
9. mm-wave imaging scanning-detecting system according to claim 8 is characterized in that, described equipment compartment, described scanning cabin and described millimeter wave absorb between the cabin to be separated by polyfluortetraethylene plate.
10. mm-wave imaging scanning-detecting system according to claim 8 is characterized in that, described equipment compartment and described scanning cabin removably connect, and described scanning cabin and described millimeter wave absorb the cabin and removably connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012104012653A CN102914802A (en) | 2012-10-19 | 2012-10-19 | Millimeter wave imaging scanning detection device and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104012653A CN102914802A (en) | 2012-10-19 | 2012-10-19 | Millimeter wave imaging scanning detection device and system |
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| CN102914802A true CN102914802A (en) | 2013-02-06 |
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| CN2012104012653A Pending CN102914802A (en) | 2012-10-19 | 2012-10-19 | Millimeter wave imaging scanning detection device and system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103885086A (en) * | 2014-03-17 | 2014-06-25 | 中国民航科学技术研究院 | Pass-type metal detection door test device |
| GB2517236A (en) * | 2013-08-15 | 2015-02-18 | Nuctech Co Ltd | Millimetre wave three dimensional holographic scan imaging apparatus and inspecting method thereof |
| CN104459822A (en) * | 2014-12-05 | 2015-03-25 | 同方威视技术股份有限公司 | Human body safety check equipment |
| CN106249213A (en) * | 2016-10-11 | 2016-12-21 | 中国民航大学 | A kind of indoor barrier reflection removal system for radar experiment porch |
| EP3396405A4 (en) * | 2015-12-23 | 2018-12-12 | Nuctech Company Limited | Millimeter wave three-dimensional holographic scan imaging apparatus and inspection method for human body or object |
| CN111896816A (en) * | 2020-08-10 | 2020-11-06 | 西安电子科技大学 | Far-field planar scanning-based method for measuring near-field radiation dose of millimeter wave radiator |
| CN112526322A (en) * | 2020-12-09 | 2021-03-19 | 江苏联康信息股份有限公司 | Millimeter wave function test fixture for electronic mainboard |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2517236A (en) * | 2013-08-15 | 2015-02-18 | Nuctech Co Ltd | Millimetre wave three dimensional holographic scan imaging apparatus and inspecting method thereof |
| CN104375141A (en) * | 2013-08-15 | 2015-02-25 | 同方威视技术股份有限公司 | Millimeter wave three-dimensional holoscan imaging device and checking method |
| CN103885086A (en) * | 2014-03-17 | 2014-06-25 | 中国民航科学技术研究院 | Pass-type metal detection door test device |
| CN103885086B (en) * | 2014-03-17 | 2016-08-24 | 中国民航科学技术研究院 | A kind of by formula metal detection gate test device |
| CN104459822A (en) * | 2014-12-05 | 2015-03-25 | 同方威视技术股份有限公司 | Human body safety check equipment |
| US10107903B2 (en) | 2014-12-05 | 2018-10-23 | Nuctech Company Limited | Human body security inspection apparatus |
| EP3396405A4 (en) * | 2015-12-23 | 2018-12-12 | Nuctech Company Limited | Millimeter wave three-dimensional holographic scan imaging apparatus and inspection method for human body or object |
| CN106249213A (en) * | 2016-10-11 | 2016-12-21 | 中国民航大学 | A kind of indoor barrier reflection removal system for radar experiment porch |
| CN111896816A (en) * | 2020-08-10 | 2020-11-06 | 西安电子科技大学 | Far-field planar scanning-based method for measuring near-field radiation dose of millimeter wave radiator |
| CN112526322A (en) * | 2020-12-09 | 2021-03-19 | 江苏联康信息股份有限公司 | Millimeter wave function test fixture for electronic mainboard |
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Application publication date: 20130206 |