CN108761554A - Safety check auxiliary device applied to passive type Terahertz human body safety check equipment - Google Patents
Safety check auxiliary device applied to passive type Terahertz human body safety check equipment Download PDFInfo
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- CN108761554A CN108761554A CN201810508134.2A CN201810508134A CN108761554A CN 108761554 A CN108761554 A CN 108761554A CN 201810508134 A CN201810508134 A CN 201810508134A CN 108761554 A CN108761554 A CN 108761554A
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- safety check
- human body
- passive type
- auxiliary device
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Links
- 238000001816 cooling Methods 0.000 claims abstract description 26
- -1 polytetrafluoroethylene ethylene Polymers 0.000 claims description 11
- 238000005057 refrigeration Methods 0.000 claims description 11
- 239000006260 foam Substances 0.000 claims description 9
- 239000004698 Polyethylene Substances 0.000 claims description 8
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 8
- 239000011496 polyurethane foam Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000011358 absorbing material Substances 0.000 claims description 7
- 239000011490 mineral wool Substances 0.000 claims description 7
- 229920006327 polystyrene foam Polymers 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 229920001903 high density polyethylene Polymers 0.000 claims description 4
- 239000004700 high-density polyethylene Substances 0.000 claims description 4
- 238000004378 air conditioning Methods 0.000 claims description 3
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 claims description 3
- 150000002632 lipids Chemical class 0.000 claims description 3
- 229920003986 novolac Polymers 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims 2
- HBGPNLPABVUVKZ-POTXQNELSA-N (1r,3as,4s,5ar,5br,7r,7ar,11ar,11br,13as,13br)-4,7-dihydroxy-3a,5a,5b,8,8,11a-hexamethyl-1-prop-1-en-2-yl-2,3,4,5,6,7,7a,10,11,11b,12,13,13a,13b-tetradecahydro-1h-cyclopenta[a]chrysen-9-one Chemical compound C([C@@]12C)CC(=O)C(C)(C)[C@@H]1[C@H](O)C[C@]([C@]1(C)C[C@@H]3O)(C)[C@@H]2CC[C@H]1[C@@H]1[C@]3(C)CC[C@H]1C(=C)C HBGPNLPABVUVKZ-POTXQNELSA-N 0.000 claims 1
- PFRGGOIBYLYVKM-UHFFFAOYSA-N 15alpha-hydroxylup-20(29)-en-3-one Natural products CC(=C)C1CCC2(C)CC(O)C3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 PFRGGOIBYLYVKM-UHFFFAOYSA-N 0.000 claims 1
- SOKRNBGSNZXYIO-UHFFFAOYSA-N Resinone Natural products CC(=C)C1CCC2(C)C(O)CC3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 SOKRNBGSNZXYIO-UHFFFAOYSA-N 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 19
- 238000003384 imaging method Methods 0.000 abstract description 8
- 230000004888 barrier function Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention relates to a kind of rays safety detection apparatus, more particularly to a kind of safety check auxiliary device applied to passive type Terahertz human body safety check equipment.The present invention is applied to the safety check auxiliary device of passive type Terahertz human body safety check equipment, including backboard, both side plate and top plate, the wherein described backboard, both side plate and top plate are connected with each other, form semi-surrounding box body structure, if the backboard is made of dried layer, wherein at least include inhaling wave layer and cooling layer, the both side plate and top plate at least provided with suction wave layer.Safety check auxiliary device of the present invention applied to passive type Terahertz human body safety check equipment, the THz wave for effectively emitting in barrier and reduction ambient enviroment and reflecting receives rays safety detection apparatus the influence of human body THz wave, suction wave layer is set to remain at lower temperature using cooling layer, optimizing detection background, detected human body and the image contrast of background are improved, the contrast for being detected personnel and ambient background in imaging picture is improved.
Description
Technical field
The present invention relates to a kind of rays safety detection apparatus, more particularly to a kind of peace applied to passive type Terahertz human body safety check equipment
Examine auxiliary device.
Background technology
With social anti-terrorism, customs preventive, city security protection promotion, to security work, more stringent requirements are proposed, passively
Formula Terahertz rays safety detection apparatus has zero radiation, detectable metal and prohibited items, the percent of pass height of a variety of materials such as nonmetallic etc.
Feature is gradually taken seriously in human body safety check, however, the operation principle due to passive type Terahertz limits, needs construction one
A safety check environment for human testing.
Traditional human body safety inspection equipment includes metal detector gate, the scattered formula human body safety check instrument of the back of the body, in the prior art, metal
Detector gate can only detect the metal of human body concealment, can not detect non-metal article；And it carries on the back and dissipates formula human body safety check instrument to human body
With certain ionising radiation, health of human body is influenced.In addition, for the common Terahertz rays safety detection apparatus backboard of tradition, due to the back of the body
Plate uses in a natural environment, and temperature is identical as natural environment, under the higher environment of temperature, can not be formed with detected person's body
High contrast is to be presented high-quality imaging effect.
Invention content
For these reasons, the present invention propose a kind of image quality it is high be applied to passive type Terahertz human body safety check equipment
Safety check auxiliary device.
Safety check auxiliary device of the present invention applied to passive type Terahertz human body safety check equipment, including backboard, both sides
Plate and top plate form semi-surrounding box body structure, the backboard is by several wherein the backboard, both side plate and top plate are connected with each other
Layer composition wherein at least includes inhaling wave layer and cooling layer, the both side plate and top plate at least provided with suction wave layer.
Preferably, the cooling layer is the air layer equipped with moving air, and cooling layer is connected with refrigeration equipment.
Further, cooling layer top is equipped with exhaust equipment, and lower part is equipped with air draft equipment, the air draft equipment and refrigeration of lower part
Equipment is connected.
Further, the refrigeration equipment is air-conditioning.
Further, it there are two the exhaust equipments on cooling layer top, is mutually parallel and is symmetrical arranged.
Further, the backboard is formed by six layers, be followed successively by from inside to outside wave permeation layer, the first insulating layer, cooling layer,
Inhale wave layer, the second insulating layer and steel plate.
Further, the wave permeation layer is high-density polyethylene layer or polytetrafluoroethylene ethylene layer or novolac resin layer or epoxy
One or more layers in resin layer or cyanate resin lipid layer；First insulating layer is polyethylene foam or polystyrene foam
Layer or polyurethane foam in one or more layers；Second insulating layer be aeroge carpet veneer or mineral wool layer or rock wool layer or
One or more layers in polyethylene foam or layer of polystyrene foam or polyurethane foam.
Further, the both side plate and top plate are respectively formed by two layers, and from-inner-to-outer, which is followed successively by, inhales wave plate and steel
Plate.
Further, the suction wave layer is slab wave-absorbing material layer, the frequency and passive type of the absorbing material layer
The frequency of Terahertz human body safety check equipment is identical.
Further, the lower part of semi-surrounding box body structure is equipped with pulley.
Safety check auxiliary device of the present invention applied to passive type Terahertz human body safety check equipment, by backboard, two
Wave layer is inhaled in setting in side plate and top plate, effectively can be obstructed and be reduced the THz wave for emitting in ambient enviroment and reflecting and be set to safety check
The standby influence for receiving human body THz wave, makes suction wave layer remain at lower temperature, with higher temperature using cooling layer
Human body is contrasted, and optimizing detection background improves detected human body and the image contrast of background, is improved in imaging picture
The contrast of tested personnel and ambient background, the present invention have substantive distinguishing features outstanding and significant progress.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is use state reference chart of the present invention.
Fig. 3 is backboard sectional view.
Fig. 4 is imaging effect comparison diagram.
In figure：1- backboards；2- both side plates；3- top plates；4- pulleys；5- wave permeation layers；The first insulating layers of 6-；7- cooling layers；8-
Inhale wave layer；The second insulating layers of 9-；10- steel plates.
Specific implementation mode
Embodiment 1.
Safety check auxiliary device of the present invention applied to passive type Terahertz human body safety check equipment, including backboard 1, both sides
Plate 2 and top plate 3 form semi-surrounding box body structure, the backboard 1 wherein the backboard 1, both side plate 2 and top plate 3 are connected with each other
It is formed by six layers, is followed successively by wave permeation layer 5 from inside to outside, the first insulating layer 6, cooling layer 7, inhales wave layer 8, the second insulating layer 9 and steel
Plate 10, wherein the cooling layer 7 is the air layer equipped with moving air, and cooling layer 7 is connected with refrigeration equipment, 7 top of cooling layer
If there are two exhaust equipment, two exhaust equipments are mutually parallel and are symmetrical arranged, and lower part sets that there are one air draft equipment, the suctions of lower part
Wind devices are connected with refrigeration equipment.
Both side plate 2 and top plate 3 of the present invention are respectively formed by two layers, and from-inner-to-outer, which is followed successively by, inhales wave plate and steel plate
10, the suction wave layer 8 is absorbing material, and it is slab wave-absorbing material layer to inhale wave layer 8, the frequency of the absorbing material layer with it is passive
The frequency of formula Terahertz human body safety check equipment is identical, and the wave permeation layer 5 is high-density polyethylene layer；First insulating layer 6 is
Polyethylene foam or layer of polystyrene foam or polyurethane foam；Second insulating layer 9 is aeroge carpet veneer or glass
Cotton layer or rock wool layer or polyethylene foam or layer of polystyrene foam or polyurethane foam, the refrigeration equipment are air-conditioning.
In the present embodiment, two exhaust equipments on 1 top of backboard are two axial flow blowers, respectively the first axial flow blower
Air draft equipment with the second axial flow blower, 1 lower part of backboard is third axial flow blower.
Safety check auxiliary device of the present invention applied to passive type Terahertz human body safety check equipment, by backboard 1, both side plate
2 and top plate 3 surround a semi-surrounding box body structure, be mainly used in passive type Terahertz rays safety detection apparatus carry out human testing
When, it is detected the standing area of personnel, which is more than the field range of passive type Terahertz rays safety detection apparatus detection, detection
When personnel stand in semi-surrounding box body structure inside.
Semi-surrounding box body structure of the present invention, backboard 1, both side plate 2 and top plate 3, which are respectively arranged, inhales wave layer 8, and inhales wave layer
The electromagnetic wave of 8 material absorbable and Terahertz rays safety detection apparatus similar frequency bands, effectively barrier and reduce ambient enviroment in transmitting and
Reflected terahertz hereby influence of the wave to rays safety detection apparatus reception human body THz wave is promoted with this optimizing detection background in imaging picture
The contrast of tested personnel and ambient background.
And the first axial flow blower and the second axial flow blower are installed in the cooling layer 7 in 1 six layer structure of backboard, 1 top of backboard, use
In hollow structure to external exhausting, third axial flow blower is installed in 1 downside of backboard, while docking refrigeration equipment, is sent to cooling layer 7
Wind forms an air layer for being equipped with moving air, and cold wind is sucked to cooling layer 7 by refrigeration equipment, will be adjacent with cooling layer 7
The temperature of suction wave layer 8 remain at 20 ± 5 DEG C of low-temperature conditions, since 1 temperature of backboard is relatively low, the THz wave launched
Seldom, and human body temperature sends out more THz wave usually at 37 DEG C or so, and suction wave layer 8 is made to remain at lower temperature
Degree, is contrasted with the human body of higher temperature, which thereby enhances detected human body and the image contrast of background, specific effect ginseng
According to attached drawing 4, using safety check auxiliary device of the present invention, imaging effect is than unused background board and uses generic background plate, is detected
The image contrast for surveying human body and background is high, utilizes the safety check of the present invention applied to passive type Terahertz human body safety check equipment
Auxiliary device effectively can obstruct and reduce the influence terahertz of transmitting in ambient enviroment and the same frequency wave band reflected to detection human body
Hereby wave receives rays safety detection apparatus the influence of human body THz wave, optimizing detection background, improve detected human body and background at
Image contrast, improves the contrast that personnel and ambient background are detected in imaging picture, and the present invention has outstanding substantive special
Point and significant progress.
Meanwhile wave permeation layer 5 described in the use of the new type is high-density polyethylene layer or polytetrafluoroethylene ethylene layer or novolac resin layer
Or one or more layers in epoxy resin layer or cyanate resin lipid layer；Wave permeation layer 5 can avoid to the anti-of ambient enviroment THz wave
It penetrates, the THz wave in environment is made to pass through wave permeation layer 5 and be absorbed by suction wave layer 8.
First insulating layer 6 is polyethylene foam or layer of polystyrene foam or polyurethane foam, as air outer layer
Thermal insulation material, be effectively guaranteed the temperature of cooling layer 7.
It inhales wave layer 8 and can absorb the THz wave for emitting in ambient enviroment and reflecting, reduce and obstruct what it was imaged equipment
It influences.
Second insulating layer 9 is aeroge carpet veneer or mineral wool layer or rock wool layer or polyethylene foam or polystyrene foam
Layer or polyurethane foam, especially with aeroge carpet veneer, with the heat-insulated performance of height, the thermal insulating material as air outer layer
Material.
Embodiment 2
The present embodiment is the improvement done on the basis of embodiment 1, and the lower part of semi-surrounding box body structure described in the present embodiment is equipped with
Pulley 4 is arranged in order to mobile.
In conclusion the safety check auxiliary device of the present invention applied to passive type Terahertz human body safety check equipment, passes through
Wave layer 8 is inhaled in setting in backboard 1, both side plate 2 and top plate 3, effectively can be obstructed and be reduced transmitting in ambient enviroment and reflect same
Influence of the frequency band to detection human body, makes suction wave layer 8 remain at lower temperature, with higher temperature using cooling layer 7
Human body be contrasted, optimizing detection background improves detected human body and the image contrast of background, improves imaging picture
In be detected personnel and ambient background contrast, the present invention have substantive distinguishing features outstanding and significant progress.
Claims (10)
1. applied to the safety check auxiliary device of passive type Terahertz human body safety check equipment, including backboard, both side plate and top plate, wherein
The backboard, both side plate and top plate are connected with each other, and form semi-surrounding box body structure, it is characterised in that：If the backboard is by dried layer
Composition wherein at least includes inhaling wave layer and cooling layer, the both side plate and top plate at least provided with suction wave layer.
2. being applied to the safety check auxiliary device of passive type Terahertz human body safety check equipment according to claim 1, feature exists
In：The cooling layer is the air layer equipped with moving air, and cooling layer is connected with refrigeration equipment.
3. being applied to the safety check auxiliary device of passive type Terahertz human body safety check equipment according to claim 2, feature exists
In：Cooling layer top is equipped with exhaust equipment, and lower part is equipped with air draft equipment, and the air draft equipment of lower part is connected with refrigeration equipment.
4. being applied to the safety check auxiliary device of passive type Terahertz human body safety check equipment according to claim 3, feature exists
In：The refrigeration equipment is air-conditioning.
5. being applied to the safety check auxiliary device of passive type Terahertz human body safety check equipment according to claim 4, feature exists
In：There are two the exhaust equipments on cooling layer top, is mutually parallel and is symmetrical arranged.
6. assisting dress according to claims 1 or 2 or 2 or 4 or 5 safety checks applied to passive type Terahertz human body safety check equipment
It sets, it is characterised in that：The backboard is formed by six layers, is followed successively by wave permeation layer from inside to outside, the first insulating layer, cooling layer, is inhaled wave
Layer, the second insulating layer and steel plate.
7. being applied to the safety check auxiliary device of passive type Terahertz human body safety check equipment according to claim 6, feature exists
In：The wave permeation layer is high-density polyethylene layer or polytetrafluoroethylene ethylene layer or novolac resin layer or epoxy resin layer or cyanate resin
One or more layers in lipid layer；First insulating layer is polyethylene foam or layer of polystyrene foam or polyurethane foam
In one or more layers；Second insulating layer is aeroge carpet veneer or mineral wool layer or rock wool layer or polyethylene foam or gathers
One or more layers in styrene bubbles foam layer or polyurethane foam.
8. being applied to the safety check auxiliary device of passive type Terahertz human body safety check equipment according to claim 7, feature exists
In：The both side plate and top plate are respectively formed by two layers, and from-inner-to-outer, which is followed successively by, inhales wave plate and steel plate.
9. being applied to the safety check auxiliary device of passive type Terahertz human body safety check equipment according to claim 7, feature exists
In：The suction wave layer is slab wave-absorbing material layer, and frequency and the passive type Terahertz human body safety check of the absorbing material layer are set
Standby frequency is identical.
10. being applied to the safety check auxiliary device of passive type Terahertz human body safety check equipment according to claim 7, feature exists
In：The lower part of semi-surrounding box body structure is equipped with pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810508134.2A CN108761554B (en) | 2018-05-24 | 2018-05-24 | Security inspection auxiliary device applied to passive terahertz human body security inspection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810508134.2A CN108761554B (en) | 2018-05-24 | 2018-05-24 | Security inspection auxiliary device applied to passive terahertz human body security inspection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108761554A true CN108761554A (en) | 2018-11-06 |
| CN108761554B CN108761554B (en) | 2024-09-13 |
Family
ID=64005371
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810508134.2A Active CN108761554B (en) | 2018-05-24 | 2018-05-24 | Security inspection auxiliary device applied to passive terahertz human body security inspection equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN108761554B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765633A (en) * | 2018-12-19 | 2019-05-17 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Security check passage based on Terahertz safety check instrument |
| CN110286418A (en) * | 2019-07-09 | 2019-09-27 | 西安天和防务技术股份有限公司 | The transmission device and method of millimeter wave safety check instrument |
| CN110418566A (en) * | 2019-08-23 | 2019-11-05 | 上海亨临光电科技有限公司 | A kind of screen/plate washer inhibited for millimeter wave or terahertz imaging system background |
| CN110824571A (en) * | 2019-09-23 | 2020-02-21 | 北京中彤节能技术有限公司 | Temperature control plate, terahertz human body security check instrument environment temperature control system and method |
| CN111413743A (en) * | 2019-01-04 | 2020-07-14 | 合肥通用制冷设备有限公司 | Security check instrument |
| CN113138427A (en) * | 2021-03-25 | 2021-07-20 | 博微太赫兹信息科技有限公司 | Rotary passive terahertz safety inspection equipment and back plate structure thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765633A (en) * | 2018-12-19 | 2019-05-17 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Security check passage based on Terahertz safety check instrument |
| CN111413743A (en) * | 2019-01-04 | 2020-07-14 | 合肥通用制冷设备有限公司 | Security check instrument |
| CN110286418A (en) * | 2019-07-09 | 2019-09-27 | 西安天和防务技术股份有限公司 | The transmission device and method of millimeter wave safety check instrument |
| CN110418566A (en) * | 2019-08-23 | 2019-11-05 | 上海亨临光电科技有限公司 | A kind of screen/plate washer inhibited for millimeter wave or terahertz imaging system background |
| CN110824571A (en) * | 2019-09-23 | 2020-02-21 | 北京中彤节能技术有限公司 | Temperature control plate, terahertz human body security check instrument environment temperature control system and method |
| CN113138427A (en) * | 2021-03-25 | 2021-07-20 | 博微太赫兹信息科技有限公司 | Rotary passive terahertz safety inspection equipment and back plate structure thereof |
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|---|---|
| CN108761554B (en) | 2024-09-13 |
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