CN102565100A - Human body security check system and driving device used therefor - Google Patents
Human body security check system and driving device used therefor Download PDFInfo
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- CN102565100A CN102565100A CN2010106242472A CN201010624247A CN102565100A CN 102565100 A CN102565100 A CN 102565100A CN 2010106242472 A CN2010106242472 A CN 2010106242472A CN 201010624247 A CN201010624247 A CN 201010624247A CN 102565100 A CN102565100 A CN 102565100A
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Abstract
The invention discloses a driving device used for a human body security check system, which comprises a driving mechanism (100) that is used for driving a radiation source (10), a collimator (12) and a detector (14) to move along the preset direction, wherein the radiation source (10), the collimator (12) and the detector (14) are fixedly connected together, so that an integral structure can be formed. In addition, the invention also discloses the human body security check system comprising the driving device. In the system and the device, a mode of an integral arm such as a C-shaped arm or an E-shaped arm is adopted for connecting and fixing the radiation source, the collimator and the detector in a scanning imaging device and cause the radiation source, the collimator and the detector to make synchronous lifting motion, so that the influence of inertia force on synchronization accuracy is guaranteed to be within an acceptable range, and no scanning fringe exists in scanned images; meanwhile, the system is simple in structure and high in reliability.
Description
Technical field
The present invention relates to a kind of drive unit that is used for the human body safety inspection system, more specifically, relate to a kind of drive unit that is used for the scanned imagery device of human body safety inspection system.In addition, the invention still further relates to a kind of human body safety inspection system that comprises above-mentioned drive unit.
Background technology
For the human body safety inspection system; Comprise scanned imagery device as the one of which, it has radiographic source, collimating apparatus and detector usually, the radiation ray that sends from radiographic source; For example X ray becomes the fan-shaped plan bundle through after the collimating apparatus; Pass to be examined and get into the detector search coverage behind the human body, and further convert to and can detect electric signal, form scan image.In the human body safety inspection system of existing vertical scanning, there are two types basically, the one, system has only a cover motor, through two steel band synchronous hoist up-down radiographic sources and detector.The advantage of this system is the simple in structure of drive unit, and its shortcoming is the scanned imagery device debug difficulties, and in the up-down operational process, inertial force can cause synchronous error to increase, and striped appears in scan image; The 2nd, there are two cover motors and two cover gearings in system, adopts electric method of synchronization synchronization lifting radiographic source and detector.The advantage of this system is to adopt the scanned imagery device debugging of above-mentioned drive unit to be easier to, and positional precision is high, and its shortcoming is a complex structure, and the electric method of synchronization is a kind of open loop control mode, so equipment dependability is low.
Summary of the invention
The object of the invention is intended to solve the problems referred to above of existing in the prior art and at least one aspect of defective.
Correspondingly; One of the object of the invention is to provide a kind of drive unit that is used for the human body safety inspection system; It comprises: driving mechanism; Be used to drive radiographic source, collimating apparatus and detector and move along predetermined direction, wherein said radiographic source, collimating apparatus and detector are fixed together to be integrally formed structure.
Particularly, said radiographic source, collimating apparatus and detector are fixed together to be integrally formed structure through the one arm.
In a kind of embodiment, said driving mechanism also comprises motor; The leading screw that can be connected drivingly with said motor; And with said threads of lead screw nut engaged, wherein: radiographic source, collimating apparatus and detector are fixedly attached on the said nut.
Further, said driving mechanism also comprises: the slide block that is fixedly connected with said nut; And guide rail, said guide rail is used to guide said slide block to move along said predetermined direction, thus guiding one arm moves along said predetermined direction.
In one embodiment, said one arm is c-shaped substantially, and it comprises: girder; The radiographic source and the collimating apparatus mounting rail that are used to install radiographic source and collimating apparatus that stretch out from an end approximate vertical of girder; And the detector mounting rail that is used to install said detector that stretches out towards the equidirectional approximate vertical from the other end of girder and radiographic source and collimating apparatus mounting rail.
Further, said radiographic source and collimating apparatus mounting rail are provided with radiographic source and the collimating apparatus installed surface that is used to install said radiographic source and collimating apparatus; And said detector mounting rail is provided with the detector installed surface that is used to install said detector.
In another kind of embodiment, said one arm is E shape substantially, and it comprises: girder; Be used to install radiogenic first beam from what an end approximate vertical of girder was stretched out; Second beam that is used to install detector that stretches out towards the equidirectional approximate vertical from the other end and first beam of girder; And the 3rd beam that between said first beam and said second beam, is used to install said collimating apparatus.
Further, said one arm also comprises at least one tie-beam that stretches out from the girder approximate vertical between first beam and second beam, and it is used for being connected with said slide block, moves with said nut thereby drive said one arm.
More specifically, said at least one tie-beam comprises first, second tie-beam of the preset distance that is spaced from each other, and said guide rail is arranged between said first, second tie-beam.
Further, said second beam is connected to the end of said at least one tie-beam.
Preferably, said first beam is provided with and is used to install said radiogenic radiographic source installed surface; Said second beam is provided with the detector installed surface that is used to install said detector; And said the 3rd beam is provided with the collimating apparatus installed surface that is used to install said collimating apparatus.
In a kind of embodiment, the drive unit that is used for the human body safety inspection system also comprises: be arranged between said radiographic source and the collimating apparatus and 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 safety inspection system, comprising: base; Be bearing in the column on the said base; Can be connected to the scanned imagery device on the said column drivingly; Said scanned imagery device comprises: radiographic source, collimating apparatus and detector; It is characterized in that also comprising the above-mentioned drive unit that is used for the human body safety inspection system described in any one, be used to drive said scanned imagery device and carry out scan operation along said predetermined direction.
Particularly, said human body safety inspection system also comprises: the collimator adjustment device that is used to regulate said collimating apparatus; Be used to regulate the detection regulating device of said detector, wherein said collimator adjustment device is used to regulate collimating apparatus and position of detector and angle with the detection regulating device, so that radiographic source, collimating apparatus and detector form coplanar structure.
Preferably, the end of said column is provided with the position limit switch, under the driving of said driving mechanism, exceeds spacing position to prevent scanned imagery device.Further, the end of said column further is provided with the position buffer unit, under the driving of said driving mechanism, exceeds said spacing position to stop scanned imagery device.Particularly, said buffer unit is crashproof rubber blanket.
In a kind of embodiment, said one arm rectangular steel pipe integral solder is to be integrally formed structure.
Above-mentioned at least one aspect of the present invention has following advantage or beneficial technical effects:
In the present invention, it adopts the one arm, and for example C type arm or E type arm mode connect radiographic source, collimating apparatus, detector in the scanning constant imaging device, and does the synchronization lifting motion.C type arm or E type 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 type arm or E type arm fully.Among the present invention, scanned imagery device debugging is simple, and the rigidity of C type arm or E type arm guarantees the influence of inertial force to synchronization accuracy is controlled in the tolerance interval, thus on scan image the no-raster striped, simultaneity factor is simple in structure, reliability is high.
Description of drawings
Below in conjunction with accompanying drawing and concrete embodiment the present invention is done further description, wherein:
Fig. 1 is the structural representation front elevation that shows according to the human body safety inspection system that comprises drive unit in a kind of embodiment of the present invention;
Fig. 2 is the rear view that comprises the human body safety inspection system of drive unit among Fig. 1;
Fig. 3 is the vertical view that comprises the human body safety inspection system of drive unit among Fig. 1; And
Fig. 4 is the structural representation that shows the E type arm in a kind of embodiment of the present invention.
Embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.In instructions, same or analogous drawing reference numeral is indicated same or analogous parts.Following explanation to embodiment of the present invention is intended to present general inventive concept of the present invention is made an explanation with reference to accompanying drawing, and is not to be understood that to a kind of restriction of the present invention.
Referring to Fig. 1-4, it shows according to a further aspect in the invention a kind of, and it provides a kind of human body safety inspection system 200, comprising: base 1; Be bearing in the column 2 on the base 1; Can be connected to the scanned imagery device 150 on the column 2 drivingly, scanned imagery device comprises: radiographic source 10, collimating apparatus 12 and detector 14.In one embodiment, referring to Fig. 3, this scanned imagery device also can comprise: be arranged between radiographic source 10 and the collimating apparatus 12 and 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 that is used for the human body safety inspection system, is used for driven sweep imaging device 150 along predetermined direction, and for example the vertical direction among Fig. 1-2 carries out scan operation.
At the above-mentioned drive unit that is used for the human body safety inspection system; It comprises: driving mechanism 100; Be used to drive radiographic source 10, collimating apparatus 12 and detector 14 along predetermined direction; For example the vertical direction among Fig. 1-2 moves, and wherein radiographic source 10, collimating apparatus 12 are fixed together to be integrally formed structure with detector 14.Referring to Fig. 1, driving mechanism 100 also comprises motor 28; The leading screw 3 that can be connected drivingly 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 the nut 25 with detector 14.In specific embodiment shown in Figure 1, driving mechanism also comprises: the slide block 26 that is fixedly connected with nut 25; And guide rail 27, guide rail is used for guide shoe 26 and vertically moves, thus guiding one arm 7 vertically moves.Referring to Fig. 1 and Fig. 2, base 1 supporting upright post 2, column 2 supporting leading screws 1 and with the supporting guide rail 27 of leading screw 1.
Referring to Fig. 1-4, the scanned imagery device among the present invention comprises that radiographic source 10, collimating apparatus 12 and detector 14 etc. are fixed together to be integrally formed structure through one arm 7.
Referring to Fig. 4, in a kind of preferred embodiment, one arm 7 is E shape substantially, and it comprises: girder 17; First beam 15 that is used to install radiographic source 10 that stretches out from an end approximate vertical of girder; Second beam 22 that is used to install detector 14 that stretches out towards the equidirectional approximate vertical from the other end and first beam 15 of girder; And the 3rd beam 20 that between first beam 15 and second beam 22, is used to install collimating apparatus 12.Further, one arm 7 also comprises at least one tie-beam 19 that stretches out from girder 17 approximate vertical between first beam 15 and second beam 22, and it is used for being connected with slide block 26, thereby drives one arm 7 with nut 25 motions.Referring to Fig. 4, this at least one tie-beam 19 comprises first, second tie-beam 19 of the preset distance that is spaced from each other, and guide rail 27 is arranged between first, second tie-beam 19.Further, second beam 20 is connected to the end of at least one tie-beam 19.In said structure, one arm 7 by the rectangular steel pipe integral solder to be integrally formed structure.Referring to Fig. 4, first beam 15 is provided with the radiographic source installed surface 16 that is used to install radiographic source 10; Second beam 22 is provided with the detector installed surface 23 that is used to install detector 14; And the 3rd beam 20 be provided with the collimating apparatus installed surface 21 that is used to install collimating apparatus 12.
Though in the above-described embodiments, this one arm 7 adopts the E type arm configuration shown in Fig. 4, and the present invention is not limited to this.For example, first beam 15 that radiographic source 10 is installed also can combine to be set to a radiographic source and a collimating apparatus mounting rail that is used to install radiographic source 10 and collimating apparatus 12 with the 3rd beam 20 that is used for collimating apparatus 12 being used among Fig. 4.Thus, this one arm 7 can be c-shaped substantially, and it comprises: girder 17; The radiographic source and the collimating apparatus mounting rail of radiographic source 10 and collimating apparatus 12 are installed from an end approximate vertical of girder 17 being used to of stretching out; And second beam 22 that is used to install detector that stretches out towards the equidirectional approximate vertical from the other end of girder 17 and radiographic source and collimating apparatus mounting rail.Correspondingly, radiographic source and collimating apparatus mounting rail are provided with and are used to install radiographic source and collimating apparatus installed surface 3; And second beam 22 be provided with the detector installed surface 2 that is used to install detector.In one embodiment, motor 28 is through be with 4 to drive synchronous pulley 5 rotations synchronously, and referring to Fig. 1, leading screw 1 is bearing on the column 2 through bearing seat 6, and is connected with the axle of synchronous pulley 5.Thus, synchronous pulley 5 drives leading screw 3 and rotates, and leading screw 3 drives C type arm or E type arm 7 carries out elevating movement.
Referring to Fig. 3, human body safety inspection system 200 also comprises: the collimator adjustment device 29 that is used to regulate collimating apparatus 12; Be used to regulate the detector regulating device 13 of detector 14, wherein collimator adjustment device 29 with survey position and the angle that regulating device 13 is used to regulate collimating apparatus 12 and detector 14 so that radiographic source 10, collimating apparatus 12 and detector 14 form coplanar structure.Particularly, collimator adjustment device 29 can adopt various suitable structures and form with detector regulating device 13.For example, collimating apparatus 12 can be regulated through screw rod and nut form.For example, nut is connected with collimating apparatus 12; The screw rod (not shown) matches with the nut (not shown); Screw rod links to each other with drive screw turns with the drive motor (not shown); Wherein: when drive motor drives the screw rod rotation; The nut that matches with screw rod produces along predetermined direction moving of vertical direction for example, to drive collimating apparatus 12 along vertical motion, to regulate its upper-lower position.Through two ends above-mentioned collimator adjustment device 29 is set respectively in collimating apparatus 12, then can not only can regulate its upper and lower to height and position, can also regulate the inclination angle on its horizontal direction.Likewise, also can adopt identical or similar device comes the horizontal level and the inclination angle of detector are regulated, thus the horizontal coplane of fine setting optical system.
In the above-described embodiment, upper-lower position through adopting collimator adjustment device 29 and detector regulating device 13 collimation devices 12 and detector 14 and level inclination etc. are regulated, and can accurately regulate the coplane of scanned imagery device.
In technique scheme, C type arm or E type arm are by the rectangular steel pipe integral solder, and 16,21,23 is the location and installation face of radiographic source 10, collimating apparatus 12, detector 14; And three coplanes; C type arm or E type arm are designed to have certain rigidity, thereby guarantee scanned imagery device, comprise synchronous operations in motion process such as radiographic source, collimating apparatus, detector; Even having under the situation of inertial force; Three's relative position is coplane to a certain extent still, even small departing from arranged, also still in the scope that the detector receive window is allowed.
Further; For preventing that driving mechanism 100 from driving the move scope of the column 2 that exceeds of scanned imagery device down 150; Thereby cause damage to scanned imagery device 150 self; The end of column 2, for example the upper end among Fig. 2 is provided with position limit switch 9, under the driving of driving mechanism 100, exceeds spacing position to prevent scanned imagery device.Further, the end of column 2 further is provided with position buffer unit 9, under the driving of driving mechanism 100, exceeds spacing position to stop scanned imagery device.Particularly, buffer unit 9 is crashproof rubber blanket.
Down carry out brief description in the face of the operating process of human body safety inspection according to the present invention system:
Motor is through be with 4 to drive synchronous pulley 5 rotations synchronously, and synchronous pulley 5 drives leading screws 3 and rotates, and leading screw drives 7 elevating movements of E type arm.Scanned imagery device comprises that x-ray source 10, shielding box 11, collimating apparatus 12, detector 14 etc. are fixed on the E type arm, and when the elevating movement of E type arm, scanned imagery device is elevating movement thereupon also.Collimating apparatus and detector governor motion 29,13 can be regulated the horizontal level and the inclination angle of collimating apparatus and detector, thus the horizontal coplane of fine setting optical system.The X ray that x-ray source sends becomes the fan-shaped plan bundle through after the collimating apparatus; Get into the detector receiving area after passing the tested person, detector produces the electric signal corresponding with X ray intensity, periodically gathers this electric signal; And further convert digital signal to; Just can generate delegation and can be used for scan lines displayed, the several rows sweep trace then generates a width of cloth scan image, thereby realizes the safety inspection to human body.
Though some embodiment of this present general inventive concept are shown and explain; Those skilled in the art will appreciate that; Under the situation of principle that does not deviate from this present general inventive concept and spirit, can make a change these embodiment, scope of the present invention limits with claim and their equivalent.
Claims (18)
1. drive unit that is used for the human body safety inspection system, it comprises:
Driving mechanism (100) is used to drive radiographic source (10), collimating apparatus (12) and detector (14) and moves along predetermined direction, and wherein said radiographic source (10), collimating apparatus (12) are fixed together to be integrally formed structure with detector (14).
2. the drive unit that is used for the human body safety inspection system according to claim 1 is characterized in that:
Said radiographic source (10), collimating apparatus (12) are fixed together to be integrally formed structure through one arm (7) with detector (14).
3. the drive unit that is used for the human body safety inspection system according to claim 1 and 2 is characterized in that:
Said driving mechanism (100) also comprises motor (28); The leading screw (3) that can be connected drivingly with said motor (28); And with the nut (25) of said leading screw (3) threaded engagement, wherein:
Radiographic source (10), collimating apparatus (12) are fixedly attached on the said nut (25) with detector (14).
4. the drive unit that is used for the human body safety inspection system according to claim 3 is characterized in that said driving mechanism also comprises:
The slide block (26) that is fixedly connected with said nut (25); And guide rail (27), said guide rail is used to guide said slide block (26) to move along said predetermined direction, thus guiding one arm (7) moves along said predetermined direction.
5. the drive unit that is used for the human body safety inspection system according to claim 4 is characterized in that said one arm (7) is c-shaped substantially, and it comprises:
Girder (17); The radiographic source and the collimating apparatus mounting rail that are used to install radiographic source and collimating apparatus that stretch out from an end approximate vertical of girder; And the detector mounting rail (22) that is used to install said detector that stretches out towards the equidirectional approximate vertical from the other end and first beam of girder.
6. the drive unit that is used for the human body safety inspection system according to claim 5 is characterized in that:
Said radiographic source and collimating apparatus mounting rail are provided with radiographic source and the collimating apparatus installed surface that is used to install said radiographic source and collimating apparatus; And said detector mounting rail (22) is provided with the detector installed surface that is used to install said detector.
7. the drive unit that is used for the human body safety inspection system according to claim 4 is characterized in that said one arm (7) is E shape substantially, and it comprises:
Girder (17); Be used to install radiogenic first beam (15) from what an end approximate vertical of girder was stretched out; Second beam (22) that is used to install detector that stretches out towards the equidirectional approximate vertical from the other end and first beam of girder; And be positioned at the 3rd beam (20) that is used to install said collimating apparatus between said first beam (15) and said second beam (22).
8. the drive unit that is used for the human body safety inspection system according to claim 7 is characterized in that:
Said one arm also comprises at least one tie-beam (18) that stretches out from the girder approximate vertical between first beam and second beam, and it is used for being connected with said slide block, moves with said nut (25) thereby drive said one arm (7).
9. the drive unit that is used for the human body safety inspection system according to claim 8 is characterized in that:
Said at least one tie-beam (18) comprises first, second tie-beam of the preset distance that is spaced from each other, and said guide rail (27) is arranged between said first, second tie-beam.
10. it is characterized in that according to Claim 8 or the 9 described drive units that are used for the human body safety inspection system:
Said second beam (20) is connected to the end of said at least one tie-beam (19).
11. the drive unit that is used for the human body safety inspection system according to claim 8 is characterized in that:
Said first beam (15) is provided with and is used to install said radiogenic radiographic source installed surface; Said second beam (22) is provided with the detector installed surface that is used to install said detector; And said the 3rd beam (20) is provided with the collimating apparatus installed surface that is used to install said collimating apparatus.
12. the drive unit that is used for the human body safety inspection system according to claim 1 and 2 is characterized in that also comprising:
Be arranged between said radiographic source (10) and the collimating apparatus (12) and form the shielding box (11) of the radiation ray interface channel between it.
13. a human body safety inspection system, it comprises:
Base (1);
Be bearing in the column (2) on the said base (1);
Can be connected to the scanned imagery device on the said column (2) drivingly; Said scanned imagery device comprises: radiographic source (10), collimating apparatus (12) and detector (14); It is characterized in that also comprising like any one described drive unit that is used for the human body safety inspection system among the claim 1-12, be used to drive said scanned imagery device and carry out scan operation along said predetermined direction.
14. human body safety inspection according to claim 13 system is characterized in that also comprising:
Be used to regulate the collimator adjustment device of said collimating apparatus;
Be used to regulate the detection regulating device of said detector,
Position and angle that wherein said collimator adjustment device and detection regulating device are used to regulate collimating apparatus (12) and detector (14) are so that radiographic source (10), collimating apparatus (12) and detector (14) form coplanar structure.
15. human body safety inspection according to claim 14 system is characterized in that:
The end of said column is provided with the position limit switch, under the driving of said driving mechanism, exceeds spacing position to prevent scanned imagery device.
16. human body safety inspection according to claim 15 system is characterized in that:
The end of said column further is provided with the position buffer unit, under the driving of said driving mechanism, exceeds said spacing position to stop scanned imagery device.
17. human body safety inspection according to claim 16 system is characterized in that:
Said buffer unit is crashproof rubber blanket.
18. human body safety inspection according to claim 17 system is characterized in that:
Said one arm (7) rectangular steel pipe integral solder is to be integrally formed 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 true CN102565100A (en) | 2012-07-11 |
| CN102565100B CN102565100B (en) | 2016-01-06 |
Family
ID=46411077
Family Applications (1)
| 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 |
|---|---|
| CN (1) | CN102565100B (en) |
| HK (1) | HK1172394A1 (en) |
Cited By (5)
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| CN103760615A (en) * | 2014-01-23 | 2014-04-30 | 北京中盾安民分析技术有限公司 | Pitching lifting mechanism for body scanning examination |
| WO2014101591A1 (en) * | 2012-12-27 | 2014-07-03 | 同方威视技术股份有限公司 | Inspection system and inspection method |
| CN104215648A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气股份有限公司 | X ray detection radiation source automatic positioning device |
| CN107693040A (en) * | 2017-11-22 | 2018-02-16 | 毕晓旺 | A kind of CT sections CT probe placement devices |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2014101591A1 (en) * | 2012-12-27 | 2014-07-03 | 同方威视技术股份有限公司 | Inspection system and inspection method |
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| CN107693040A (en) * | 2017-11-22 | 2018-02-16 | 毕晓旺 | A kind of CT sections CT probe placement devices |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102565100B (en) | 2016-01-06 |
| HK1172394A1 (en) | 2013-04-19 |
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