CN102565100B - For drive unit and the human body security check system of human body security check system - Google Patents
For drive unit and the human body security check system of human body security check system Download PDFInfo
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- CN102565100B CN102565100B CN201010624247.2A CN201010624247A CN102565100B CN 102565100 B CN102565100 B CN 102565100B CN 201010624247 A CN201010624247 A CN 201010624247A CN 102565100 B CN102565100 B CN 102565100B
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Abstract
The invention discloses a kind of drive unit for human body security check system, it comprises: driving mechanism (100), for driving radiographic source (10), collimating apparatus (12) and detector (14) to move along predetermined direction, wherein radiographic source (10), collimating apparatus (12) are fixed together to form integrative-structure with detector (14).In addition, the invention also discloses a kind of human body security check system comprising above-mentioned drive unit.In the present invention, it adopts one arm, such as C-arm or E arm mode are connected and fixed radiographic source, collimating apparatus, detector in scanned imagery device, and do synchronization lifting motion, the impact of inertial force on synchronization accuracy is ensured to control in tolerance interval, thus on scan image no-raster striped, simultaneity factor structure is simple, and reliability is high.
Description
Technical field
The present invention relates to a kind of drive unit for human body security check system, more specifically, relate to a kind of drive unit of the scanned imagery device for human body security check system.In addition, the invention still further relates to a kind of human body security check system comprising above-mentioned drive unit.
Background technology
For human body security check system, it generally comprises scanned imagery device, it has radiographic source, collimating apparatus and detector usually, from the radiation ray that radiographic source sends, such as X ray becomes fan-shaped plan bundle after collimating apparatus, enter detector search coverage through by after inspection human body, and convert to further and can detect electric signal, form scan image.In the human body security check system of existing vertical scanning, substantially have two types, one is that system only has a set of motor, by two synchronous steel belt hoisting radiographic sources and detector.The advantage of this system is that the structure of drive unit is simple, and its shortcoming is scanned imagery device debug difficulties, and is elevated in operational process, and inertial force can cause synchronous error to increase, and striped appears in scan image; Two is that system has two cover motors and two cover gearings, adopts electric method of synchronization synchronization lifting radiographic source and detector.The advantage of this system adopts the scanned imagery device of above-mentioned drive unit to debug to be easier to, and positional precision is high, and its shortcoming is complex structure, and the electric method of synchronization is a kind of open loop control mode, and therefore equipment dependability is low.
Summary of the invention
Object of the present invention is intended at least one aspect solving the above-mentioned problems in the prior art and defect.
Correspondingly, an object of the present invention is to provide a kind of drive unit for human body security check system, it comprises: driving mechanism, for driving radiographic source, collimating apparatus and detector to move along predetermined direction, wherein said radiographic source, collimating apparatus and detector are fixed together to form integrative-structure.
Particularly, described radiographic source, collimating apparatus and detector are fixed together to form integrative-structure by one arm.
In a kind of embodiment, described driving mechanism also comprises motor; The leading screw that can be connected with driving with described motor; And the nut to coordinate with described threads of lead screw, wherein: radiographic source, collimating apparatus and detector are fixedly attached on described nut.
Further, described driving mechanism also comprises: the slide block be fixedly connected with described nut; And guide rail, described guide rail moves along described predetermined direction for guiding described slide block, thus guides one arm to move along described predetermined direction.
In one embodiment, described one arm is substantially c-shaped, and it comprises: girder; Substantially vertical radiographic source and the collimating apparatus mounting rail for installing radiographic source and collimating apparatus stretched out from one end of girder; And from the other end of girder and radiographic source and collimating apparatus mounting rail towards the substantially vertical detector mounting rail for installing described detector stretched out of equidirectional.
Further, described radiographic source and collimating apparatus mounting rail are provided with the radiographic source for installing described radiographic source and collimating apparatus and collimating apparatus installed surface; And the detector installed surface described detector mounting rail is provided with for installing described detector.
In another kind of embodiment, described one arm is substantially in E shape, and it comprises: girder; From one end of girder substantially vertical stretch out for installing radiogenic first beam; From the other end of girder with the first beam towards substantially vertical the second beam for installing detector stretched out of equidirectional; And for installing the 3rd beam of described collimating apparatus between described first beam and described second beam.
Further, described one arm also comprise between the first beam and the second beam from substantially vertical at least one tie-beam stretched out of girder, it is for being connected with described slide block, thus drives described one arm to move together with described nut.
More specifically, at least one tie-beam described comprises first, second tie-beam of the preset distance that is spaced from each other, and described guide rail is arranged between first, second tie-beam described.
Further, described second beam is connected to the end of at least one tie-beam described.
Preferably, described first beam is provided with for installing described radiogenic radiographic source installed surface; Described second beam is provided with the detector installed surface for installing described detector; And the collimating apparatus installed surface described 3rd beam is provided with for installing described collimating apparatus.
In a kind of embodiment, the drive unit for human body security check system also comprises: to be arranged between described radiographic source and collimating apparatus and to form the shielding box of the radiation ray interface channel between it.
According to a further aspect in the invention, it provides a kind of human body security check system, comprising: base; Be bearing in the column on described base; The scanned imagery device on described column can be connected to driving, described scanned imagery device comprises: radiographic source, collimating apparatus and detector, characterized by further comprising the above-mentioned drive unit for human body security check system described in any one, carrying out scan operation for driving described scanned imagery device along described predetermined direction.
Particularly, described human body security check system also comprises: for regulating the collimator adjustment device of described collimating apparatus; For regulating the detection regulating device of described detector, wherein said collimator adjustment device and detection regulating device, for regulating position and the angle of collimating apparatus and detector, form coplanar structure to make radiographic source, collimating apparatus and detector.
Preferably, the end of described column is provided with position limit switch, exceeds restraining position to prevent scanned imagery device under the driving of described driving mechanism.Further, the end of described column is provided with position buffer unit further, exceeds described restraining position to stop scanned imagery device under the driving of described driving mechanism.Particularly, described buffer unit is anti-collision rubber pad.
In a kind of embodiment, described one arm rectangular steel pipe integral solder is to form integrative-structure.
At least one aspect above-mentioned of the present invention has following advantage or useful technique effect:
In the present invention, it adopts one arm, and such as C-arm or E arm mode are connected and fixed radiographic source, collimating apparatus, detector in scanned imagery device, and does synchronization lifting motion.C-arm or E arm are machined piece, and the locating surface of location scanning imaging device has accuracy requirement, and the synchronization accuracy of scanned imagery device is determined by the mechanical property of C-arm or E arm completely.In the present invention, scanned imagery device debugging is simple, and the rigidity of C-arm or E arm ensures the impact of inertial force on synchronization accuracy to control in tolerance interval, thus on scan image no-raster striped, simultaneity factor structure is simple, and reliability is high.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and concrete embodiment, the invention will be further described, wherein:
Fig. 1 is that display is according to the structural representation front elevation comprising the human body security check system of drive unit in a kind of embodiment of the present invention;
Fig. 2 is the rear view that Fig. 1 comprises the human body security check system of drive unit;
Fig. 3 is the vertical view that Fig. 1 comprises the human body security check system of drive unit; And
Fig. 4 is the structural representation of the E arm in display a kind of embodiment of the present invention.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.In the description, same or analogous drawing reference numeral indicates same or analogous parts.The explanation of following reference accompanying drawing to embodiment of the present invention is intended to make an explanation to present general inventive concept of the present invention, and not should be understood to one restriction of the present invention.
See Fig. 1-4, it illustrates one according to a further aspect in the invention, it provides a kind of human body security check system 200, comprising: base 1; Be bearing in the column 2 on base 1; Can be connected to the scanned imagery device 150 on column 2 with driving, scanned imagery device comprises: radiographic source 10, collimating apparatus 12 and detector 14.In one embodiment, see Fig. 3, this scanned imagery device also can comprise: to be arranged between radiographic source 10 and collimating apparatus 12 and to form the shielding box 11 of the radiation ray interface channel between it.In the present invention, it also comprises a kind of drive unit for human body security check system, and for driving scanned imagery device 150 along predetermined direction, such as, vertical direction in Fig. 1-2 carries out scan operation.
At the above-mentioned drive unit for human body security check system, it comprises: driving mechanism 100, for driving radiographic source 10, collimating apparatus 12 and detector 14 along predetermined direction, such as, vertical direction in Fig. 1-2 moves, and wherein radiographic source 10, collimating apparatus 12 are fixed together to form integrative-structure with detector 14.See Fig. 1, driving mechanism 100 also comprises motor 28; The leading screw 3 that can be connected with driving with motor 28; And with the nut 25 of leading screw 3 threaded engagement, wherein: radiographic source 10, collimating apparatus 12 are fixedly attached on nut 25 with detector 14.In the specific embodiment shown in Fig. 1, driving mechanism also comprises: the slide block 26 be fixedly connected with nut 25; And guide rail 27, guide rail is used for guide shoe 26 and vertically moves, thus guides one arm 7 vertically to move.See Fig. 1 and Fig. 2, base 1 supporting upright post 2, column 2 supports leading screw 3 and the guide rail 27 supporting with leading screw 3.
See Fig. 1-4, the scanned imagery device in the present invention, comprises radiographic source 10, collimating apparatus 12 is fixed together to form integrative-structure by one arm 7 with detector 14 etc.
See Fig. 4, in an advantageous embodiment, one arm 7 is substantially in E shape, and it comprises: girder 17; Substantially vertical the first beam 15 for installing radiographic source 10 stretched out from one end of girder; From the other end of girder with the first beam 15 towards substantially vertical the second beam 22 for installing detector 14 stretched out of equidirectional; And for installing the 3rd beam 20 of collimating apparatus 12 between the first beam 15 and the second beam 22.Further, one arm 7 also comprise between the first beam 15 and the second beam 22 from substantially vertical at least one tie-beam 19 stretched out of girder 17, it is for being connected with slide block 26, thus drive one arm 7 move together with nut 25.See Fig. 4, in one embodiment, this at least one tie-beam 19 comprises two tie-beams 19 of the preset distance that is spaced from each other, and guide rail 27 is arranged between two tie-beams 19.Further, the 3rd beam 20 is connected on the end 18 of at least one tie-beam 19.In said structure, one arm 7 by rectangular steel pipe integral solder to form integrative-structure.See Fig. 4, the first beam 15 is provided with the radiographic source installed surface 16 for installing radiographic source 10; Second beam 22 is provided with the detector installed surface 23 for installing detector 14; And the 3rd beam 20 is provided with collimating apparatus installed surface 21 for installing collimating apparatus 12.
Although in the above-described embodiments, this one arm 7 adopts the E arm structure shown in Fig. 4, and the present invention is not limited to this.Such as, in Fig. 4 also can in conjunction with being set to one for installing radiographic source and the collimating apparatus mounting rail of radiographic source 10 and collimating apparatus 12 for the first beam 15 and the 3rd beam 20 for collimating apparatus 12 installing radiographic source 10.Thus, this one arm 7 can be substantially c-shaped, and it comprises: girder 17; Substantially vertical radiographic source and the collimating apparatus mounting rail for installing radiographic source 10 and collimating apparatus 12 stretched out from one end of girder 17; And from the other end of girder 17 and radiographic source and collimating apparatus mounting rail towards substantially vertical the second beam 22 for installing detector stretched out of equidirectional.Correspondingly, radiographic source and collimating apparatus mounting rail are provided with for installing radiographic source and collimating apparatus installed surface 3; And second beam 22 is provided with detector installed surface 2 for installing detector.In one embodiment, motor 28 drives synchronous pulley 5 to rotate by Timing Belt 4, and see Fig. 1, leading screw 1 is bearing on column 2 by bearing seat 6, and is connected with the axle of synchronous pulley 5.Thus, synchronous pulley 5 drives leading screw 3 to rotate, and leading screw 3 drives C-arm or E arm 7 to carry out elevating movement.
See Fig. 3, human body security check system 200 also comprises: for regulating the collimator adjustment device 29 of collimating apparatus 12; For regulating the detector regulating device 13 of detector 14, wherein collimator adjustment device 29 and detection regulating device 13 are for regulating position and the angle of collimating apparatus 12 and detector 14, form coplanar structure to make radiographic source 10, collimating apparatus 12 and detector 14.Particularly, collimator adjustment device 29 and detector regulating device 13 can adopt various suitable structure and form.Such as, collimating apparatus 12 can be regulated by screw rod and nut form.Such as, nut is connected with collimating apparatus 12; Screw rod (not shown) matches with nut (not shown), screw rod is connected with drive screw turns with drive motor (not shown), wherein: when drive motor drives bolt rotary, the nut matched with screw rod produces moving along predetermined direction such as vertical direction, to drive collimating apparatus 12 along vertical motion, to regulate its upper-lower position.By the two ends in collimating apparatus 12, above-mentioned collimator adjustment device 29 is set respectively, then can not only can regulate its upper and lower to height and position, the inclination angle in its horizontal direction can also be regulated.Similarly, identical or similar device also can be adopted to regulate the horizontal level of detector and inclination angle, thus fine setting optical system coplanar horizontal.
In the above-described embodiment, by adopting the upper-lower position of collimator adjustment device 29 and detector regulating device 13 collimation device 12 and detector 14 and level inclination etc. to regulate, fine adjustment can be carried out to the coplanar of scanned imagery device.
In technique scheme, C-arm or E arm are by rectangular steel pipe integral solder, 16,21,23 is the location and installation face of radiographic source 10, collimating apparatus 12, detector 14, and three coplanar, C-arm or E arm are designed to have certain rigidity, thus guarantee scanned imagery device, comprise the synchronous operations in motion process such as radiographic source, collimating apparatus, detector, even if when there being inertial force, the relative position of three still can be coplanar to a certain extent, even if there be small departing from, also still in the scope that detector receive window allows.
Further, scanned imagery device 150 under driving for preventing driving mechanism 100 moves the scope of the column 2 exceeded, thus cause the damage to scanned imagery device 150 self, the end of column 2, such as, upper end in Fig. 2 is provided with position limit switch 9, exceeds restraining position to prevent scanned imagery device under the driving of driving mechanism 100.Further, the end of column 2 is provided with position buffer unit 8 further, exceeds restraining position to stop scanned imagery device under the driving of driving mechanism 100.Particularly, buffer unit 8 is anti-collision rubber pad.
Brief description is carried out to the operating process of human body security check system according to the present invention below:
Motor drives synchronous pulley 5 to rotate by Timing Belt 4, and synchronous pulley 5 drives leading screw 3 to rotate, and leading screw drives the elevating movement of E arm 7.Scanned imagery device, comprise x-ray source 10, shielding box 11, collimating apparatus 12, detector 14 etc. and be fixed in E arm, when the elevating movement of E arm, scanned imagery device is elevating movement thereupon also.Collimating apparatus and detector governor motion 29,13 can regulate horizontal level and the inclination angle of collimating apparatus and detector, thus fine setting optical system coplanar horizontal.The X ray that x-ray source sends becomes fan-shaped plan bundle after collimating apparatus, through entering detector receiving area after tested person, detector produces the electric signal corresponding with X-ray intensity, periodically gather this electric signal, and convert digital signal to further, just can generate the sweep trace that a line can be used for showing, several rows sweep trace then generates a width scan image, thus realizes the safety inspection to human body.
Although some embodiments of this present general inventive concept have been shown and explanation, those skilled in the art will appreciate that, when not deviating from principle and the spirit of this present general inventive concept, can make a change these embodiments, scope of the present invention is with claim and their equivalents.
Claims (7)
1. a human body security check system, it comprises:
Base (1);
Be bearing in the column (2) on described base (1);
The scanned imagery device on described column (2) can be connected to driving, described scanned imagery device comprises: radiographic source (10), collimating apparatus (12) and detector (14), described human body security check system also comprises the drive unit for human body security check system, scan operation is carried out along predetermined direction for driving described scanned imagery device
The described drive unit for human body security check system comprises:
Driving mechanism (100), move along predetermined direction for driving radiographic source (10), collimating apparatus (12) and detector (14), wherein said radiographic source (10), collimating apparatus (12) and detector (14) are fixed together to form integrative-structure
Described radiographic source (10), collimating apparatus (12) are fixed together to form integrative-structure by one arm (7) with detector (14),
Described driving mechanism (100) also comprises motor (28); The leading screw (3) that can be connected with driving with described motor (28); And with the nut (25) of described leading screw (3) threaded engagement, wherein:
Radiographic source (10), collimating apparatus (12) and detector (14) are fixedly attached on described nut (25),
Described driving mechanism also comprises:
The slide block (26) be fixedly connected with described nut (25); And guide rail (27), described guide rail moves along described predetermined direction for guiding described slide block (26), thus guides one arm (7) to move along described predetermined direction,
Described one arm (7) is substantially in E shape, and it comprises:
Girder (17); From one end of girder substantially vertical stretch out for installing radiogenic first beam (15); From the other end of girder with the first beam towards substantially vertical the second beam (22) for installing detector stretched out of equidirectional; And be positioned at for installing the 3rd beam (20) of described collimating apparatus between described first beam (15) and described second beam (22),
Described one arm also comprise between the first beam (15) and the second beam (22) from substantially vertical at least one tie-beam (19) stretched out of girder (17), it is for being connected with described slide block, thus drive described one arm (7) to move together with described nut (25)
Described human body security check system also comprises:
For regulating the collimator adjustment device of described collimating apparatus;
For regulating the detection regulating device of described detector,
Wherein said collimator adjustment device and detection regulating device are for regulating position and the angle of collimating apparatus (12) and detector (14), coplanar structure is formed to make radiographic source (10), collimating apparatus (12) and detector (14)
The end of described column is provided with position limit switch, to prevent scanned imagery device from exceeding restraining position under the driving of described driving mechanism,
The end of described column is provided with position buffer unit further, to stop scanned imagery device to exceed described restraining position under the driving of described driving mechanism,
Described leading screw (3) and column (2) are vertically arranged, and described predetermined direction is vertical direction, and described leading screw (3) is a leading screw.
2. human body security check system according to claim 1, is characterized in that:
Described at least one tie-beam (19) comprises first, second tie-beam of the preset distance that is spaced from each other, and described guide rail (27) is arranged between first, second tie-beam described.
3. human body security check system according to claim 1 and 2, is characterized in that:
Described second beam (20) is connected to the end (18) of described at least one tie-beam (19).
4. human body security check system according to claim 1, is characterized in that:
Described first beam (15) is provided with for installing described radiogenic radiographic source installed surface; Described second beam (22) is provided with the detector installed surface for installing described detector; And the collimating apparatus installed surface described 3rd beam (20) is provided with for installing described collimating apparatus.
5. human body security check system according to claim 1, characterized by further comprising:
To be arranged between described radiographic source (10) and collimating apparatus (12) and to form the shielding box (11) of the radiation ray interface channel between it.
6. human body security check system according to claim 1, is characterized in that:
Described buffer unit is anti-collision rubber pad.
7. human body security check system according to claim 6, is characterized in that:
Described one arm (7) rectangular steel pipe integral solder is to form integrative-structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010624247.2A CN102565100B (en) | 2010-12-31 | 2010-12-31 | For drive unit and the human body security check system of human body security check system |
| HK12113116.8A HK1172394A1 (en) | 2010-12-31 | 2012-12-19 | A driving device used for human body security check system and said human body security check system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010624247.2A CN102565100B (en) | 2010-12-31 | 2010-12-31 | For drive unit and the human body security check system of human body security check system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102565100A CN102565100A (en) | 2012-07-11 |
| CN102565100B true CN102565100B (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010624247.2A Active CN102565100B (en) | 2010-12-31 | 2010-12-31 | For drive unit and the human body security check system of human body security check system |
Country Status (2)
| Country | Link |
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| CN (1) | CN102565100B (en) |
| HK (1) | HK1172394A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103892853A (en) * | 2012-12-27 | 2014-07-02 | 同方威视技术股份有限公司 | Examination system and examination method |
| CN104215648B (en) * | 2013-06-05 | 2016-09-07 | 中国石油天然气股份有限公司 | Automatic positioner for X-ray detecting radiation source |
| CN103760615B (en) * | 2014-01-23 | 2016-06-08 | 北京中盾安民分析技术有限公司 | A kind of pitching elevating mechanism carrying out body scans inspection |
| CN107693040B (en) * | 2017-11-22 | 2021-05-11 | 毕晓旺 | CT probe placing equipment for CT department |
| CN110161580A (en) * | 2019-05-28 | 2019-08-23 | 安徽启路达光电科技有限公司 | Channel-type X-ray safe examination system |
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| CN2461488Y (en) * | 2000-12-29 | 2001-11-28 | 西安天珠电子科技有限公司 | Multifunctional X-ray machine |
| CN101482523A (en) * | 2008-01-11 | 2009-07-15 | 同方威视技术股份有限公司 | X-ray apparatus used for human body safety inspection |
| CN201917532U (en) * | 2010-12-31 | 2011-08-03 | 同方威视技术股份有限公司 | Human body security inspection system and driving device for same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2001217445A1 (en) * | 2000-08-29 | 2002-03-13 | Akexei Vladimirovich Behterev | Radiographic scanning device |
| JP3664715B2 (en) * | 2003-02-17 | 2005-06-29 | 川崎重工業株式会社 | X-ray physical examination device |
| CN201623881U (en) * | 2009-01-22 | 2010-11-03 | 李显芳 | Gear and bearing heater adjusting and positioning transmission and collision-prevention mechanism |
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- 2010-12-31 CN CN201010624247.2A patent/CN102565100B/en active Active
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- 2012-12-19 HK HK12113116.8A patent/HK1172394A1/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2461488Y (en) * | 2000-12-29 | 2001-11-28 | 西安天珠电子科技有限公司 | Multifunctional X-ray machine |
| CN101482523A (en) * | 2008-01-11 | 2009-07-15 | 同方威视技术股份有限公司 | X-ray apparatus used for human body safety inspection |
| CN201917532U (en) * | 2010-12-31 | 2011-08-03 | 同方威视技术股份有限公司 | Human body security inspection system and driving device for same |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1172394A1 (en) | 2013-04-19 |
| CN102565100A (en) | 2012-07-11 |
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