CN208752213U - A kind of X-ray back scattering scanner - Google Patents
A kind of X-ray back scattering scanner Download PDFInfo
- Publication number
- CN208752213U CN208752213U CN201821319952.XU CN201821319952U CN208752213U CN 208752213 U CN208752213 U CN 208752213U CN 201821319952 U CN201821319952 U CN 201821319952U CN 208752213 U CN208752213 U CN 208752213U
- Authority
- CN
- China
- Prior art keywords
- ray
- back scattering
- shielding box
- modulation
- detector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000003814 drug Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Landscapes
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The utility model relates to a kind of X-ray back scattering scanners, it include: X-ray emitter, beam modulated scanning device, shielding box and back scattering ray detector, the back scattering ray detector is located at detected material side, the beam modulated scanning device is located in the shielding box, the beam of generation is transmitted to the beam modulated scanning device to be modulated into rodlike X-ray scanning beam by the X-ray emitter, and detected material described in directive after the slit between back scattering ray detector, back scattering ray is returned to the back scattering ray detector by the detected material back scattering.Above-mentioned scanner is light-weight, small in size, dosage safety that is easy to carry and guaranteeing user of service i.e. checking matter (people), the Detection task of achievable various specific occasions, and ensures that scattered ray beam does not leak so that it is guaranteed that using safe.
Description
Technical field
The utility model belongs to radionetric survey class field, and in particular to a kind of X-ray back scattering scanner.
Background technique
X-ray back scattering scanner is a kind of common safety check instrument, based on X-ray back scattering for hiding containing light
The material sensitive of element, therefore be chiefly used in checking the suspicious contrabands such as drugs, explosive.Normally due to the volume of scanner compared with
Greatly, often fixation is placed in the public places such as airport, station, for the safety detection of human body, vehicle, or for the lossless inspection of material
It surveys.It is structurally characterized in that: radiographic source and ray detector are placed on the same side, face detected material jointly.
Transmission-type detection (such as dual energy luggage detector) is different from, it is to put radiographic source and detector respectively
In the two sides of tested object, but such equipment is insensitive to light element.
There is company (such as AS&E) to start to produce hand-held X-ray back scattering scanner, its compact and portable can be used for not recently
Safety check under same environment, different situations, it can also be used to the unknown object etc. being hidden in inside wall, but X-ray is from ray tube
The X ray that a fan-shaped pencil can only be projected by collimator is emitted in interior focus, using modulator (chopper)
Fladellum is modulated into X-ray beam to shoot to checking matter, remaining ray is all stopped or scattered by modulator, these scattered ray
It is undesirable, because they, which exist, will result in the injury to human body or the interference to back scattering ray, increase makes for a long time
Risk.
Utility model content
It is existing to solve in view of the above problems, the object of the present invention is to provide a kind of X-ray back scattering scanner
In technology the shortcomings that several detectors, i.e., volume is big, and scattered ray insensitive to light element is easy exposed risk.
To achieve the above object, the utility model takes following technical scheme:
One of the utility model X-ray back scattering scanner, comprising: X-ray emitter, beam modulated scanning
Device, shielding box and back scattering ray detector, the back scattering ray detector are located at detected material side, the beam
Modulated scanning device is located in the shielding box, and the beam of generation is transmitted to the beam and modulated by the X-ray emitter
Scanner is detected described in directive to be modulated into rodlike X-ray scanning beam, and after the slit between back scattering ray detector
Object is surveyed, back scattering ray is returned to the back scattering ray detector by the detected material back scattering.
Above-mentioned X-ray back scattering scanner, it is preferred that further include: digital processing element connects the back scattering ray and visits
Device is surveyed, for receiving the back scattering ray and showing backscatter images according to its intensity.
Above-mentioned X-ray back scattering scanner, it is preferred that the X-ray emitter further include: X-ray tube and collimator,
The high pressure that the X-ray emitter generates forms X radiation after powering to the filament of the X-ray tube, and by the collimation
Device is collimated into X-ray fladellum and is transmitted to the beam modulated scanning device.
Above-mentioned X-ray back scattering scanner, it is preferred that the two sides of the shielding box have horizontal gap, the X-ray fan
After the pencil of forms passes through the horizontal gap of the shielding box side, it is modulated into rodlike X-ray scanning beam by beam modulated scanning device,
It projects again via the horizontal gap of the other side to the slit between back scattering ray detector, the level of the shielding box side
Gap and the collimator are fitted close.
Above-mentioned X-ray back scattering scanner, it is preferred that the beam modulated scanning device further include: non-cylindrical modulation
Plate, ray modulation seam and driving motor, ray modulation seam be located on the non-cylindrical modulation panel and with the level
Gap intersects, and the driving motor drives the non-cylindrical modulation panel to pump in the shielding box, so that institute
It states X-ray fladellum to project from the intersection that the horizontal gap and ray modulation are stitched, forms the rodlike X-ray to swing
Scanning beam.
Above-mentioned X-ray back scattering scanner, it is preferred that the back scattering ray detector further include: solid X ray dodges
Bright body, photomultiplier tube and lead screen layer, the solid X-ray scintillation body is located in the back scattering ray detector, described
Lead screen layer is located at the side that the back scattering ray detector faces the X-ray scanning beam, and the photomultiplier tube is located at
The both ends of the back scattering ray detector.
Above-mentioned X-ray back scattering scanner, it is preferred that the driving motor further include: connecting rod drives disk and motor
Main body, the connecting rod connect the bottom of non-cylindrical modulation panel, and the motor body drives driving disk rotational, and then the company of drive
Bar is swung, and the non-cylindrical modulation panel is moved up and down according to the swing of connecting rod.
Above-mentioned X-ray back scattering scanner, it is preferred that the shielding box is the box body of single side opening, the opening
Downward, connecting rod can protrude into from the opening of shielding box and connect non-cylindrical modulation panel.
Above-mentioned X-ray back scattering scanner, it is preferred that the ray modulation seam intersects with non-perpendicular between horizontal gap.
Above-mentioned X-ray back scattering scanner, it is preferred that the width of the horizontal gap is 1mm, the ray modulation seam
Width is 1mm.
The X-ray back scattering scanner of the utility model is using the x-ray source of brand-new design and shielding and ray modulation side
Formula keeps operator's exposure dosage smaller, safer, and sharpest edges be it is light, used suitable for various random occasions,
It can be used for detecting the contraband of light materials, such as explosive, drugs, suspicious liquid article, it can also be in the background of organic object
The contrabands such as lower detection weapon, gun cutter；It can be used for port, airport, station, various public safety occasions, and urgent urgent
In the case where.
Detailed description of the invention
Fig. 1 is a kind of positive structure schematic of X-ray back scattering scanner in the utility model embodiment；
Fig. 2 be in the utility model embodiment a kind of B of X-ray back scattering scanner to structural schematic diagram；
Fig. 3 is a kind of overlooking structure diagram of X-ray back scattering scanner in the utility model embodiment.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
The utility model embodiment provides a kind of X-ray back scattering scanner, as shown in Figure 1, comprising: X-ray emitter
1, beam modulated scanning device 2, shielding box 3 and back scattering ray detector 4, the back scattering ray detector 4 are located at quilt
5 side of detectable substance, the beam modulated scanning device 4 are located in the shielding box 3, the penetrating generation of X-ray emitter 1
Harness is transmitted to the beam modulated scanning device 2 to be modulated into rodlike X-ray scanning beam 15, and passes through back scattering ray
Detected material 5 described in directive after slit between detector 4 is returned by scattered ray by 5 back scattering of detected material to described
Back scattering ray detector 4.Specifically, back scattering ray detector 4 is located at detected material 5 and X-ray emitter 1, it is close
The position of detected material 5 can effectively avoid the problem insensitive to light element, meanwhile, compared with prior art, beam is shielding
3 internal modulation of box is covered into rodlike X-ray scanning beam, and modulated rodlike X-ray scanning beam is emitted directly toward back scattering ray detector 4
Between slit after reach the detected material 5, the extra ray not being emitted exists by repeatedly absorbing and reflection process
It is absorbed in shielding box 3, to guarantee being normally carried out for measurement, therefore keeps operator's exposure dosage smaller, it is safer.Preferably
, the shielding box is the flat box body of lead, or is made of other heavy metal materials, such as bismuth or wolfram steel, it is therefore an objective to
In order to absorb extra X-ray, guarantee the risk that will not find to leak.
A kind of X-ray back scattering scanner described in above-described embodiment, preferably, further include: (figure is not for digital processing element
Show), the back scattering ray detector is connected, for receiving the back scattering ray and showing back scattering figure according to its intensity
Picture.It is dissipated preferably, the digital processing element records by point the back that the tested object of scanning generates by dedicated digital circuit
Transmitted intensity is penetrated, and marks the starting point of every a line scanning with a scanning synchronizing generator, finally and according to its intensity structure
At backscatter images, and ensure to constitute the width back scattering scan image that completely there is intensity to show, and can scanning result and
When be transferred to related master system to check in time.
A kind of X-ray back scattering scanner described in the utility model above-described embodiment, preferably, the X ray occurs
Device 1 further include: X-ray tube 11 and collimator 12, lamp of the high pressure that the X-ray emitter 1 generates to the X-ray tube 11
X-ray focus 13 is formed after silk power supply, and X-ray fladellum 14 is collimated by the collimator 12.In specific embodiment, institute
Stating X-ray emitter 1 is small-sized X-ray emitter, and to guarantee the light of entire scanner, X-ray emitter 1 generates high pressure
And power to the filament of X-ray tube 11, high pressure accelerates the anode tungsten target of electron focusing bombardment X-ray tube 11, forms an X and penetrates
Line focus 13 issues cone type X-ray beam from x-ray focus 13 again and enters collimator 12, and collimator 12 collimates cone type X-ray beam
At an about 1mm thickness flat X-ray fladellum 14 and be transmitted to the beam modulated scanning device, wherein the X-ray
The high pressure of generator is 60-80KV, pipe stream < 2mA.
A kind of X-ray back scattering scanner, the two sides of the shielding box described in another embodiment of the utility model have
Horizontal gap, after the X-ray fladellum passes through the horizontal gap of the shielding box side, by beam modulated scanning device tune
Rodlike X-ray scanning beam is made, then projects via the horizontal gap of the other side to the slit between back scattering ray detector,
The horizontal gap and the collimator of the shielding box side are fitted close.In preferred embodiment, since X-ray fladellum needs
It is introduced into shielding box, therefore the side of the X-ray emitter is provided with horizontal gap, the water in the shielding box
The width of flush joint gap and the equivalent width of X ray fladellum or the width slightly larger than X-ray fladellum, about 1mm, and institute
The horizontal gap and the collimator for stating shielding box side are fitted close, so that the horizontal gap is only capable of that flat X is allowed to penetrate
Line fladellum passes through.X-ray fladellum enters in shielding box, is modulated into rodlike X-ray scanning by beam modulated scanning device
Beam, in order to guarantee lossless injection, in the horizontal joint that the shielding box is also provided with close to the side of the back scattering ray detector
Gap projects, that is to say, that the horizontal gap of collimating mirror and shielding box two sides is respectively positioned in same plane, and the horizontal joint with side
Gap is fitted close.
Preferably as shown in Figures 2 and 3, the beam modulated scanning device further include: non-cylindrical modulation panel 21, ray
Modulation seam 22 and driving motor 23, the ray modulation seam 22 be located on the non-cylindrical modulation panel 21 and with the level
Gap 31 intersects, and the driving motor 23 drives the non-cylindrical modulation panel 21 to pump in the shielding box 3,
So that the X-ray fladellum 14 projects from the crosspoint A of the horizontal gap 31 and ray modulation seam 22, left and right pendulum is formed
Dynamic rodlike X-ray scanning beam 15.Wherein, the slit width about 1mm of the ray modulation seam 22.In specific embodiment, use is non-
Cylindric modulation panel is different from cylindric modulator in the prior art, in the prior art, to modulate more satisfactory scanning
Line, cylindric modulator needs make rotating motion, and required area is bigger, therefore the volume of entire scanner is caused to increase
Greatly.And in the embodiment of the present application, it pumps using non-cylindrical modulation panel, and by driving motor, therefore only
Need to be arranged flat shielding box to mitigate weight.Since non-cylindrical modulation panel 21 is up and down reciprocatingly transported in the shielding box 3
It is dynamic, so that crosspoint A of horizontal gap 31 and ray modulation seam 22 or so translation, then the rodlike X-ray scanning beam modulated
15 swinging also with crosspoint A, the sectional area about 1mm x 1mm of the rodlike X-ray scanning beam 15.Preferably, penetrating
It is non-perpendicular between line modulation seam 22 and horizontal gap 31 to intersect.
In the utility model preferred embodiment, the driving motor 23 further comprises: connecting rod 231, drives disk 232
And motor body 233, the connecting rod 231 connect the bottom of non-cylindrical modulation panel 21, so that motor body 233 drives driving
Disk 232 rotate, and then drive connecting rod 231 swing, the non-cylindrical modulation panel 21 according to the swing of connecting rod 231 on move down
It is dynamic.Wherein, the shielding box 3 is the box body 32 of single side opening, and described opening down, connecting rod 231 can be from shielding box 3
Opening protrudes into and connects non-cylindrical modulation panel 21.
A kind of X-ray back scattering scanner described in the utility model embodiment, preferably, as shown in figure 3, the back dissipates
Penetrate ray detector 4 further include: solid X-ray scintillation body (not shown), photomultiplier tube 42 and lead screen layer (not shown), institute
It states solid X-ray scintillation body to be located in the back scattering ray detector, the lead screen layer is located at back scattering ray spy
The side that device faces the X-ray scanning beam is surveyed, the photomultiplier tube 42 is located at the both ends of the back scattering ray detector.
Specifically, moving integrally the achievable one-shot measurement process of X-ray back scattering scanner up and down.Object generates back scattering ray quilt
Two back scattering ray detectors 4 detect, and record in chronological order, the output signal of back scattering ray detector 4 is through light
The amplification of electric multiplier tube is processed into back by correlated digital processing unit and imaging software and dissipates scan image.Preferably, in detector
In face of the side of X-ray scanning beam, the lead screen for being subject to 1-2mm prevents from X-ray from entering back scattering ray detector interference back dissipating
The detection of ray.
Therefore X-ray back scattering scanner provided by the utility model embodiment using brand-new design x-ray source and
Shielding and ray modulation mode, keep operator's exposure dosage smaller, safer, and sharpest edges be it is light, be suitable for it is each
The random occasion of kind uses, and can be used for detecting the contraband of light materials, such as explosive, drugs, suspicious liquid article, can also
The contrabands such as weapon, gun cutter are detected under the background of organic object；It can be used for port, airport, station, various public safeties
Occasion, and it is urgent urgent in the case where.
In conclusion X-ray back scattering scanner described in the utility model above-described embodiment is light-weight, small in size, just
In the dosage safety for carrying and guaranteeing user of service i.e. checking matter (people), the Detection task of achievable various specific occasions, and really
Scattered ray beam is protected not leak so that it is guaranteed that using safe.
The utility model is not limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, make any variation in its shape or structure, it is all that there is same as the present application or phase
Approximate technical solution, all falls within the protection scope of the utility model.
Claims (10)
1. a kind of X-ray back scattering scanner characterized by comprising X-ray emitter, beam modulated scanning device, shielding
Box and back scattering ray detector, the back scattering ray detector are located at detected material side, and the beam modulation is swept
It retouches device to be located in the shielding box, the beam of generation is transmitted to the beam modulated scanning device by the X-ray emitter
To be modulated into rodlike X-ray scanning beam, and detected material described in directive after the slit between back scattering ray detector, by
The detected material back scattering returns to back scattering ray to the back scattering ray detector.
2. a kind of X-ray back scattering scanner according to claim 1, which is characterized in that further include: digital processing list
Member connects the back scattering ray detector, for receiving the back scattering ray and showing backscatter images according to its intensity.
3. a kind of X-ray back scattering scanner according to claim 1, which is characterized in that the X-ray emitter is also wrapped
Include: X-ray tube and collimator, the high pressure that the X-ray emitter generates form X after powering to the filament of the X-ray tube
Radiation, and X-ray fladellum is collimated by the collimator and is transmitted to the beam modulated scanning device.
4. a kind of X-ray back scattering scanner according to claim 3, which is characterized in that the two sides of the shielding box have
After thering is horizontal gap, the X-ray fladellum to pass through the horizontal gap of the shielding box side, by beam modulated scanning device
It is modulated into rodlike X-ray scanning beam, then is projected via the horizontal gap of the other side to narrow between back scattering ray detector
Seam, the horizontal gap and the collimator of the shielding box side are fitted close.
5. a kind of X-ray back scattering scanner according to claim 4, which is characterized in that the beam modulated scanning
Device further include: non-cylindrical modulation panel, ray modulation seam and driving motor, the ray modulation seam are located at described non-cylindrical
Intersect on modulation panel and with the horizontal gap, the driving motor drives the non-cylindrical modulation panel in the shielding box
It pumps, so that the X-ray fladellum is projected from the intersection that the horizontal gap and ray modulation are stitched, is formed
The rodlike X-ray scanning beam to swing.
6. a kind of X-ray back scattering scanner according to claim 1, which is characterized in that the back scattering X-ray detection X
Device further include: solid X-ray scintillation body, photomultiplier tube and lead screen layer, the solid X-ray scintillation body are located at the back and dissipate
It penetrates in ray detector, the lead screen layer is located at the side that the back scattering ray detector faces the X-ray scanning beam,
The photomultiplier tube is located at the both ends of the back scattering ray detector.
7. a kind of X-ray back scattering scanner according to claim 5, which is characterized in that the driving motor further include:
Connecting rod drives disk and motor body, and the connecting rod connects the bottom of non-cylindrical modulation panel, and the motor body, which drives, to be driven
Dynamic disk rotational, and then connecting rod swing is driven, the non-cylindrical modulation panel is moved up and down according to the swing of connecting rod.
8. a kind of X-ray back scattering scanner according to claim 5, which is characterized in that the shielding box is a list
The box body of face opening, described opening down, connecting rod can protrude into from the opening of shielding box and connect non-cylindrical modulation panel.
9. a kind of X-ray back scattering scanner according to claim 5, which is characterized in that the ray modulation seam and water
Non-perpendicular intersection between flush joint gap.
10. a kind of X-ray back scattering scanner according to claim 9, which is characterized in that the width of the horizontal gap
Width for 1mm, the ray modulation seam is 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821319952.XU CN208752213U (en) | 2018-08-16 | 2018-08-16 | A kind of X-ray back scattering scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821319952.XU CN208752213U (en) | 2018-08-16 | 2018-08-16 | A kind of X-ray back scattering scanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208752213U true CN208752213U (en) | 2019-04-16 |
Family
ID=66080301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821319952.XU Active CN208752213U (en) | 2018-08-16 | 2018-08-16 | A kind of X-ray back scattering scanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208752213U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031441A (en) * | 2018-08-16 | 2018-12-18 | 东莞深圳清华大学研究院创新中心 | A kind of X-ray back scattering scanner and scan method |
| CN114166875A (en) * | 2020-09-11 | 2022-03-11 | 同方威视技术股份有限公司 | Backscatter inspection system |
| CN115931937A (en) * | 2021-08-17 | 2023-04-07 | 同方威视技术股份有限公司 | Backscatter inspection apparatus |
-
2018
- 2018-08-16 CN CN201821319952.XU patent/CN208752213U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031441A (en) * | 2018-08-16 | 2018-12-18 | 东莞深圳清华大学研究院创新中心 | A kind of X-ray back scattering scanner and scan method |
| CN114166875A (en) * | 2020-09-11 | 2022-03-11 | 同方威视技术股份有限公司 | Backscatter inspection system |
| WO2022052892A1 (en) * | 2020-09-11 | 2022-03-17 | 同方威视技术股份有限公司 | Backscatter inspection system |
| CN114166875B (en) * | 2020-09-11 | 2024-01-12 | 同方威视技术股份有限公司 | Back-scattering inspection system |
| CN115931937A (en) * | 2021-08-17 | 2023-04-07 | 同方威视技术股份有限公司 | Backscatter inspection apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208752213U (en) | A kind of X-ray back scattering scanner | |
| RU2448342C2 (en) | Object inspection system (versions) | |
| US10175381B2 (en) | X-ray scanners having source points with less than a predefined variation in brightness | |
| US11143783B2 (en) | Four-sided imaging system and method for detection of contraband | |
| US20180328861A1 (en) | Radiation Threat Detection | |
| US8003949B2 (en) | Multiple screen detection systems | |
| RU2444723C2 (en) | Apparatus and method of inspecting objects | |
| RU2415404C1 (en) | Method and device to detect smuggled goods using x-ray radiation and photoneutrons | |
| US8929509B2 (en) | Four-sided imaging system and method for detection of contraband | |
| JP6572326B2 (en) | Security inspection device and radiation detection method | |
| US20080049899A1 (en) | Scatter Attenuation Tomography | |
| US8884236B2 (en) | Detector with active collimators | |
| US20090294678A1 (en) | Radiation directional finder and isotope identification system | |
| US7336767B1 (en) | Back-scattered X-ray radiation attenuation method and apparatus | |
| CN103630947B (en) | Back scattering human body security check system and the scan method thereof of radioactive substance can be monitored | |
| CN108318512A (en) | Transmission-back scattering combine detection equipment and detection method for human body | |
| CN202929217U (en) | Backscattering human body security check system capable of monitoring radioactive substances carried by human body | |
| CN109031441A (en) | A kind of X-ray back scattering scanner and scan method | |
| US11966004B2 (en) | Enhanced security threat detection | |
| US20070030955A1 (en) | Scatter imaging system | |
| US11726218B2 (en) | Methods and systems for synchronizing backscatter signals and wireless transmission signals in x-ray scanning | |
| CN217133005U (en) | Multi-mode Compton imaging detection device | |
| CN115684225A (en) | Handheld back scattering imager and imaging method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231116 Address after: 523000 Building 1, No.1 Xuefu Road, Songshanhu Park, Dongguan City, Guangdong Province Patentee after: Guangdong Qingda Innovation Research Institute Co.,Ltd. Address before: 523000 floor 5, building g-1, University Innovation City, Songshanhu high tech Development Zone, Dongguan City, Guangdong Province Patentee before: TSINGHUA INNOVATION CENTER IN DONGGUAN |