CN217879634U - Scanning image forming apparatus - Google Patents

Abstract

The application provides a scanning imaging device, which comprises a support, a scanning assembly, a connecting assembly and a driving assembly. The scanning assembly is arranged on the support and comprises a millimeter wave scanner, the millimeter wave scanner comprises a first millimeter wave scanner and a second millimeter wave scanner, and the first millimeter wave scanner and the second millimeter wave scanner are arranged in an opposite mode. The connecting component is at least partially arranged at the top of the support and is connected with the first millimeter wave scanner and the second millimeter wave scanner. The driving assembly is arranged on the support and connected with the first millimeter wave scanner and used for driving the first millimeter wave scanner to move in the vertical direction, the first millimeter wave scanner moves in the vertical direction through the connecting assembly, and the second millimeter wave scanner and the first millimeter wave scanner move in the vertical direction in the opposite direction. In the embodiment of the application, the efficiency of the scanning imaging equipment is high.

Description

Scanning imaging device

Technical Field

The application relates to the technical field of security inspection, in particular to a scanning imaging device.

Background

The human body or article imaging security inspection technology widely applied to the market is mainly an X-ray imaging technology and a millimeter wave imaging technology. The security inspection equipment based on the millimeter wave imaging technology can determine whether suspected articles are hidden in the inspected human body or articles, and has the characteristics of high scanning imaging speed, safety, reliability and the like. The method is widely applied to the field of public safety. Some scanning imaging devices are single-side scanning, that is, only one side can be detected during operation, and scanning is at least twice if comprehensive inspection is required, so that the security inspection speed is low and the efficiency is low; some existing double-array scanning imaging devices can improve security check efficiency, but are complex in structure.

SUMMERY OF THE UTILITY MODEL

The application provides a scanning imaging device, realizes simple structure, and the security check efficiency is higher.

The present application provides a scanning imaging device, comprising:

a support;

the scanning component is arranged on the bracket and comprises a millimeter wave scanner, the millimeter wave scanner comprises a first millimeter wave scanner and a second millimeter wave scanner, and the first millimeter wave scanner and the second millimeter wave scanner are arranged in an opposite manner;

the connecting component is at least partially arranged at the top of the bracket and is connected with the first millimeter wave scanner and the second millimeter wave scanner; and

drive assembly locates the support, with first millimeter wave scanner is connected, is used for the drive first millimeter wave scanner moves in vertical direction, first millimeter wave scanner passes through during the motion coupling assembling drives second millimeter wave scanner moves in vertical direction, second millimeter wave scanner with first millimeter wave scanner is opposite in vertical direction's motion direction.

Further, coupling assembling includes flexonics spare and direction subassembly, the direction subassembly is located the top of support, the direction subassembly includes the pulley, flexonics spare's one end with first millimeter wave scanner is connected, flexonics spare walks around the pulley, flexonics spare's the other end with the second millimeter wave scanner is connected.

Furthermore, the pulley comprises an outer hub, a bearing and a pulley shaft, the bearing comprises a bearing inner ring and a bearing outer ring, the bearing outer ring is fixedly arranged in the outer hub, the pulley shaft is fixedly arranged in the bearing inner ring, and the bearing inner ring and the bearing outer ring can rotate relatively; the outer hub comprises a mounting groove, the mounting groove is inwards recessed from the outer surface of the outer hub, the flexible connecting piece is slidably arranged in the mounting groove, and the width of the mounting groove is larger than that of the flexible connecting piece.

Furthermore, the guide assembly comprises a pulley seat and a pulley fixing plate connected with the pulley seat, the pulley is arranged on the pulley seat, and the pulley seat is fixedly connected with the support;

the pulley seat is provided with a sliding groove, the pulley shaft is arranged in the sliding groove and comprises a limiting groove, and the pulley fixing plate is clamped in the limiting groove; and/or

The guide assembly comprises an anti-falling plate, the anti-falling plate is fixedly arranged on the pulley seat, and the anti-falling plate is arranged on the outer side of the pulley; and/or

The surface of the mounting groove, which is in contact with the flexible connecting piece, is plated with chrome or nickel; and/or

The surface of the mounting groove in contact with the flexible connecting piece is an arc surface.

Further, including spacing fixing base, anti-disassembly device and controller, spacing fixing base is debugging install during the scanning imaging equipment in the motion path of millimeter wave scanner, be used for the restriction the motion of millimeter wave scanner, anti-disassembly device is debugging scanning imaging equipment time with spacing fixing base corresponds the setting, is used for the response spacing fixing base to produce corresponding signal of telecommunication, the controller with anti-disassembly device is connected, is used for receiving anti-disassembly device's signal of telecommunication the signal of telecommunication represents spacing fixing base install in when the motion path of millimeter wave scanner, at least control the millimeter wave scanner does not move.

Further, the bracket comprises a first door frame structure and a second door frame structure which are opposite and separated in the horizontal direction, and the scanning imaging device comprises a guide rail assembly;

the guide rail assembly is arranged on the bracket and comprises a guide rail, the guide rail comprises a first guide rail and a second guide rail, the first guide rail is arranged on the inner side of the first door frame structure, and the first millimeter wave scanner is slidably arranged on the first guide rail; the second guide rail is arranged on the inner side of the second doorframe structure, and the second millimeter wave scanner is slidably arranged on the second guide rail; the anti-dismounting device is fixedly arranged on one side, away from the first millimeter wave scanner, of the first guide rail or one side, away from the second millimeter wave scanner, of the second guide rail.

Further, the scanning component comprises a millimeter wave scanner fixing seat, and the millimeter wave scanner is fixedly arranged on the millimeter wave scanner fixing seat; the limit fixing seat is arranged on the guide rail when the scanning imaging equipment is debugged and is connected with the millimeter wave scanner fixing seat; the limiting fixing seat comprises a fixing groove and a connecting portion, the connecting portion extends outwards from the edges of the two opposite sides of the fixing groove, the guide track is arranged in the fixing groove and connected with the fixing groove, and the connecting portion is connected with the millimeter wave scanner fixing seat.

Furthermore, the anti-dismounting device comprises a pressure sensor, and the limit fixing seat is mounted on the guide rail and abuts against the pressure sensor when the scanning imaging equipment is debugged; the anti-dismounting device is used for sensing pressure provided by the limiting fixing seat and generating a pressure signal, and the controller is connected with the anti-dismounting device and used for controlling the millimeter wave scanner to not move according to the pressure signal.

The millimeter wave scanner comprises a scanning assembly, a millimeter wave scanner and a controller, wherein the millimeter wave scanner is used for scanning a millimeter wave to be scanned and comprises a millimeter wave scanning device and a millimeter wave scanning device; and/or

The millimeter wave scanner comprises a first limit position, a second limit position and an origin position, and the limit switch is arranged corresponding to the first limit position, the second limit position and the origin position and is connected with the controller; the limit switch trigger is arranged on the scanning component and moves synchronously with the millimeter wave scanner; when the limit switch trigger is abutted to the limit switch, the controller controls the millimeter wave scanner to stop.

Further, the millimeter wave scanner comprises a guide rod, the guide rod is arranged in the vertical direction and is fixedly connected to the support, and the millimeter wave scanner is slidably arranged on the guide rod.

The application provides a scanning imaging device, including first millimeter wave scanner and second millimeter wave scanner, coupling assembling connect first millimeter wave scanner with second millimeter wave scanner, the first millimeter wave scanner of drive assembly drive moves in vertical direction, drives second millimeter wave scanner and carries out reverse motion, so drive assembly's one-time operation can realize two-sided scanning, and efficiency is higher, and drive assembly only needs to drive first millimeter wave scanner motion, so can reduce the power requirement of complete machine, reduce structure complexity, reduce cost.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

FIG. 1 illustrates a front view of a scanning imaging device according to an exemplary embodiment of the present application;

FIG. 2 is a perspective view of the scanning imaging device shown in FIG. 1;

FIG. 3 is a perspective view of the scanning imaging device shown in FIG. 1 from another angle;

FIG. 4 isbase:Sub>A cross-sectional view of the scanning imaging device shown in FIG. 2 taken along line A-A;

FIG. 5 is an exploded perspective view of a pulley of the scanning imaging device of FIG. 1;

FIG. 6 is a perspective view of a guide assembly of the scanning imaging device of FIG. 2;

FIG. 7 is an enlarged view of a portion of the guide assembly of the scanning imaging device shown in FIG. 6;

FIG. 8 is an enlarged view of a portion of the scanning imaging device shown in FIG. 3;

FIG. 9 is another enlarged partial view of the scanning imaging device shown in FIG. 3;

FIG. 10 is a partially exploded perspective view of the scanning imaging device of FIG. 1;

FIG. 11 is an enlarged view of a portion of the scanning imaging device shown in FIG. 2;

fig. 12 is a schematic perspective view of a scanning imaging device and a calibration tool according to an exemplary embodiment of the present application;

FIG. 13 is a top view of the scanning imaging device and calibration fixture of FIG. 12;

FIG. 14 is a perspective view of the calibration fixture shown in FIG. 12;

FIG. 15 is an enlarged view of a portion of the calibration fixture shown in FIG. 14;

fig. 16 is a partial exploded perspective view of the calibration fixture of fig. 14.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front," "back," "lower," and/or "upper," and the like are for convenience of description, and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The present application provides a scanning imaging device. The scanning imaging device of the present application will be described in detail below with reference to the accompanying drawings. The features of the following examples and embodiments may be combined with each other without conflict.

FIG. 1 illustrates a front view of a scanning imaging device 100 according to an exemplary embodiment of the present application; FIG. 2 is a perspective view of the scanning imaging device 100 shown in FIG. 1; fig. 3 is a perspective view of another angle of the scanning imaging device 100 shown in fig. 1. Referring to fig. 1 to 3, the present application provides a scanning image forming apparatus 100 including a stand 10, a scanning assembly 11, a connecting assembly 12, and a driving assembly 13.

The scanning component 11 is disposed on the bracket 10, and includes a millimeter wave scanner 14, wherein the electromagnetic wave with a wavelength of 1 to 10 mm is called millimeter wave, the millimeter wave scanner 14 is a millimeter wave transceiver and is mainly used for sending and receiving millimeter wave signals, and the millimeter wave scanner 14 can scan a human body or an object to determine whether a suspected object is hidden in the examined human body or the object. The millimeter-wave scanner 14 includes a first millimeter-wave scanner 15 and a second millimeter-wave scanner 16, and the first millimeter-wave scanner 15 and the second millimeter-wave scanner 16 are disposed oppositely. The first millimeter wave scanner 15 and the second millimeter wave scanner 16 may operate synchronously. In some embodiments, the first millimeter wave scanner 15 and the second millimeter wave scanner 16 are disposed on opposite sides of the rack 10, wherein the first millimeter wave scanner 15 is disposed toward the second millimeter wave scanner 16, and the second millimeter wave scanner 16 is disposed toward the first millimeter wave scanner 15. The first millimeter wave scanner 15 may scan a first side of the human body or the article, and the second millimeter wave scanner 16 may scan a second side of the human body or the article, the first side and the second side being opposite, so that the double-sided scanning of the human body or the article may be realized.

The connecting component 12 is disposed at least partially on the top of the bracket 10, and connects the first millimeter wave scanner 15 and the second millimeter wave scanner 16. The driving assembly 13 is disposed on the support 10 and is connected to the first millimeter wave scanner 15, it being understood that the first millimeter wave scanner 15 may refer to either of the two millimeter wave scanners. The connecting component 12 is at least partially disposed on the top of the bracket 10, which means that the connecting component 12 can be fixedly disposed on the top of the bracket in a fixed manner, for example, according to actual requirements, a part of components in the connecting component 12 is fixed on the top of the bracket, and another part of components can be extendedly mounted in a space below the top of the bracket.

In some embodiments, the driving component 13 is disposed on a side of the top of the bracket 10 close to the first millimeter-wave scanner 15, so that the driving component 13 is closer to the first millimeter-wave scanner 15, and the overall design is more compact. The driving assembly 13 is used for driving the first millimeter wave scanner 15 to move in the vertical direction. When the first millimeter wave scanner 15 moves, the connecting component 12 drives the second millimeter wave scanner 16 to move in the vertical direction, and the moving directions of the second millimeter wave scanner 16 and the first millimeter wave scanner 15 in the vertical direction are opposite. The first millimeter wave scanner 15 and the second millimeter wave scanner 16 are arranged oppositely, and the driving component 13 can drive the first millimeter wave scanner 16 to move in the vertical direction; and because first millimeter wave scanner 15 passes through coupling assembling 12 with second millimeter wave scanner 16 to be connected, first millimeter wave scanner 15 can drive second millimeter wave scanner 16, makes it move along opposite direction, and the double-sided scanning of human body or article can be realized to one-time operation of drive assembly 13 like this, and efficiency is higher. In the related art, although some scanning imaging devices perform double-sided scanning, the first millimeter wave scanner and the second millimeter wave scanner are respectively driven by one motor, and the number of the motors is large, so that the structure of the scanning imaging device is more complicated, and the requirement on power is higher. In the embodiment of the present application, the driving component 13 only needs to drive the first millimeter wave scanner 15 to move, so that the power requirement of the whole machine can be reduced, the cost is reduced, and the structural design of the scanning imaging device 100 is simpler. And the motions of the first millimeter wave scanner 15 and the second millimeter wave scanner 16 do not need to be controlled respectively, so that the synchronism of the first millimeter wave scanner 15 and the second millimeter wave scanner 16 is better.

Referring to fig. 2 and 3, in some embodiments, the support 10 includes a support body 63 and a support 19, and the support 19 is disposed at the bottom of the support body 63 and supports the support body 63. In some embodiments, the support 19 may be a caster, which may facilitate movement of the scanning imaging device 100, and/or a foot cup, which may enable stable mounting and stable transportation of the scanning imaging device 100.

In some embodiments, the scanning imaging device 100 includes a guide rod 25, the guide rod 25 is disposed along a vertical direction and is fixedly connected to the support frame 10, wherein the guide rod 25 may extend from a top end of the support frame 10 to a bottom end of the support frame 10. Millimeter wave scanner 14 sets up in guide bar 25 slidable, and millimeter wave scanner 14 can slide along guide bar 25 from top to bottom in vertical direction to the completion is to the scanning work of the object to be measured, and guide bar 25 can play the effect of direction, makes millimeter wave scanner 14 the motion in vertical direction more accurate and stable, and guide bar 25 fixed connection in support 10, can also regard as the skeleton of support 10, plays certain supporting role.

FIG. 4 illustratesbase:Sub>A cross-sectional view of the scanning imaging device 100 shown in FIG. 2 taken along line A-A. Referring to fig. 4, in some embodiments, the driving assembly 13 includes a motor 20, a reducer 21 connected to the motor 20, a coupler 22 connected to the reducer 21, and a synchronous pulley 23 coupled to the coupler 22, where the motor 20, the reducer 21, the coupler 22, and the synchronous pulley 23 are connected in sequence, so that the motor 20 drives the synchronous pulley 23 to rotate. The driving assembly 13 further includes a timing belt 24 (see fig. 1) engaged with the timing pulley 23, and the timing belt 24 is connected to the first millimeter wave scanner 15. The motor 20 drives the synchronous pulley 23 to rotate, so as to drive the synchronous belt 24 to move, and the synchronous belt 24 drives the first millimeter wave scanner 15, so that the first millimeter wave scanner 15 can move up and down in the vertical direction.

Referring to fig. 1-4, in some embodiments, linkage assembly 12 includes a flexible linkage 17 and a guide assembly 18. The flexible connecting member 17 may be a connecting belt, a connecting rope, or the like, for example, the flexible connecting member 17 may be a steel wire rope or a steel belt. The guide assembly 18 is arranged at the top of the bracket 10, so that the installation of the whole machine is more compact and reasonable. The guide assembly 18 comprises a pulley 26, one end of the flexible connecting element 17 is connected with the first millimeter-wave scanner 15, the flexible connecting element 17 bypasses the pulley 26, the other end of the flexible connecting element 17 is connected with the second millimeter-wave scanner 16, and the flexible connecting element 17 can be connected with the first millimeter-wave scanner 15 and the second millimeter-wave scanner 16, so that the first millimeter-wave scanner 15 can drive the second millimeter-wave scanner 16 to move. In the present embodiment, one end of the flexible connector 17 is connected to the top of the first millimeter wave scanner 15, and the other end is connected to the top of the second millimeter wave scanner 16. The number of pulleys 26 to be mounted can be determined flexibly, for example, two pulleys can be mounted on the top of the bracket 10.

FIG. 5 is an exploded perspective view of the pulley 26 of the scanning imaging device 100 shown in FIG. 1; FIG. 6 is a perspective view of the guide assembly 18 of the scanning imaging device 100 shown in FIG. 2; fig. 7 shows a close-up view 18a of the guide assembly 18 of the scanning imaging device 100 shown in fig. 6. Referring to fig. 5 and 6, in some embodiments, the pulley 26 includes an outer hub 33, bearings 34, and a pulley shaft 30, wherein the number of bearings 34 can be one or more, and in this embodiment, the number of bearings 34 is two, including a first bearing 68 and a second bearing 69. The bearing 34 includes a bearing inner ring 35 and a bearing outer ring 36, the bearing outer ring 36 is fixedly disposed in the outer hub 33, the pulley shaft 30 is fixedly disposed in the bearing inner ring 35, and the bearing inner ring 35 and the bearing outer ring 36 are rotatable relative to each other. This allows relative rotation between the pulley shaft 30 and the outer hub 33. The outer hub 33 includes mounting slots 37, the mounting slots 37 being recessed inwardly from an outer surface of the outer hub, the flexible connectors 17 being slidably disposed within the mounting slots 37. In some embodiments, the surface of the mounting groove 37 in contact with the flexible connector 17 may be plated with chrome or nickel, which reduces the friction force generated by the relative movement between the mounting groove 37 and the flexible connector 17, so that the movement of the second millimeter wave scanner 16 is smoother. In some embodiments, the width of the mounting groove 37 is greater than the width of the flexible connecting element 17, so that the flexible connecting element 17 cannot rub against two side edges of the mounting groove 37 during the movement of the flexible connecting element 37 in the mounting groove 37, and certain deviation redundancy can be increased. In some embodiments, the surface of mounting groove 37 and flexible connection 17 contact is the arc surface, when not hindering flexible connection 17 motion, can carry on spacingly to flexible connection 17 for flexible connection 17 is in the middle part of mounting groove 37 all the time in first millimeter wave scanner 15 drives the motion of second millimeter wave scanner 16, and the first millimeter wave scanner 15 of so being convenient for drives the motion of second millimeter wave scanner 16. In some embodiments, the pulley 26 further includes a first bushing 60 and a second bushing 71, and the pulley shaft 30 is disposed through the first bushing 60 and the second bushing 71, wherein the first bushing 60 and the second bushing 71 can be interference-fitted with the pulley shaft 30. The first sleeve 60 and the second sleeve 71 are disposed on two sides of the bearing 34, the first sleeve 60 abuts against the first bearing 68, and the second sleeve 71 abuts against the second bearing 69. For limiting the displacement of the first and second bearings 68 and 69 and preventing the relative movement of the outer hub 33 and the pulley shaft 30. In some embodiments, the pulley 26 includes a first bearing retainer 61, a second bearing retainer 70, and a bearing spring retainer 62, the spring retainer 62 being disposed between the first bearing 68 and the second bearing 69 for spacing and guiding the rollers in the first bearing 68 and the second bearing 69 so that the rollers can be retained within the bearings. The first bearing retainer 61 is arranged on one side of the first bearing 68 away from the elastic baffle sheet 62, the second bearing retainer 70 is arranged on one side of the second bearing 69 away from the elastic baffle sheet 62, and the first bearing retainer 61 and the second bearing retainer 70 respectively act on the first bearing 68 and the second bearing 69 to prevent the rollers in the first bearing 68 and the second bearing 69 from being separated.

Referring to fig. 6 and 7, in some embodiments, the guide assembly 18 includes a pulley seat 27 and a pulley fixing plate 28 connected to the pulley seat 27, the pulley 26 is disposed on the pulley seat 27, the pulley seat 27 is used for limiting the position of the pulley 26, the pulley seat 27 is fixedly connected to the bracket 10, and the pulley seat 27 can be detachably connected to the bracket 10, for example, the pulley seat 27 is fixed to the bracket 10 by bolts, and the bolts can ensure the installation consistency of the pulley 26 on the same horizontal plane. Wherein the relative position of the pulley holder 27 and the bracket 10 can be adjusted along the length direction of the pulley shaft 30. In some embodiments, the guide assembly 18 includes a pulley seat adjustment assembly 75, the pulley seat adjustment assembly 75 being disposed on one or both sides of the pulley seat 27 along the length of the pulley shaft 30. The pulley seat adjusting assembly 75 comprises an installing part 64 and a pulley seat adjusting plate 65, wherein the pulley seat adjusting plate 65 is fixedly arranged on the bracket 10, the installing part 64 penetrates through the pulley seat adjusting plate 65 and is fixedly connected with the pulley seat 27, the distance between the pulley seat adjusting plate 65 and the pulley seat 27 can be adjusted by rotating the installing part 64, and the flexible connecting piece 17 is ensured to always run in the middle of the pulley 26 by adjusting the position of the pulley seat 27. The pulley holder 27 is provided with a sliding slot 29, the pulley shaft 30 is provided with the sliding slot 29, the pulley shaft 30 can slide in through the sliding slot 29 provided on the pulley holder 27, the pulley shaft 30 comprises a limiting slot 31, and the pulley fixing plate 28 is clamped in the limiting slot 31, so that the pulley shaft 30 can be fixed on the pulley holder 27, and the pulley 26 is fixed on the pulley holder 27. Wherein the pulley shaft 30 is non-rotatable relative to the pulley holder 27. In some embodiments, the limiting groove 31 includes a first limiting groove 38 (shown in fig. 5) and a second limiting groove 39 (shown in fig. 5), and the first limiting groove 38 and the second limiting groove 39 are disposed at both ends of the pulley shaft 30, so that the installation of the pulley 26 is more stable. In some embodiments, the guiding assembly 18 includes a retaining plate 32, the retaining plate 32 is fixedly disposed on the pulley seat 27, and the retaining plate 32 is disposed on the outer side of the pulley 26, so as to prevent the flexible connecting member 17 passing around the pulley 26 from accidentally disengaging from the pulley 26, thereby improving the safety of the whole machine.

Fig. 8 is a partially enlarged view 100a of the scanning image forming apparatus 100 shown in fig. 3. Referring to fig. 8, in some embodiments, the scanning imaging apparatus 100 includes a limit fixing base 40, a detachment prevention device 41, and a controller (not shown). The limiting fixing seat 40 is installed on the motion path of the millimeter wave scanner 14 when the scanning imaging device 100 is debugged, and is used for limiting the motion of the millimeter wave scanner 14, wherein the limiting fixing seat 40 is not only limited to be installed on the motion path of the millimeter wave scanner 14 when the scanning imaging device 100 is debugged, and therefore the millimeter wave scanner 14 can be prevented from falling down under the action of gravity and generating danger in the manual debugging process. The limiting fixing seat 40 may also be installed on a motion path of the millimeter wave scanner 14 during transportation of the scanning imaging device 100, and is used for fixing the millimeter wave scanner 14, so as to avoid the occurrence of vertical shaking of the millimeter wave scanner 14 caused by vibration during transportation. Anti-disassembly device 41 corresponds the setting with spacing fixing base 40 when debugging scanning imaging device 100, be used for responding to spacing fixing base 40, and produce corresponding signal of telecommunication, the controller is connected with anti-disassembly device 41, be used for receiving anti-disassembly device 41's signal of telecommunication, when the signal of telecommunication shows that spacing fixing base 40 is installed on millimeter wave scanner 14's motion path, at least control millimeter wave scanner 14 does not move, at this moment, even under the circumstances of output motion control signal, millimeter wave scanner 14 also can not move, so can reduce or prevent to lead to scanning imaging device 100 motion and make the condition that maintenance personal is injured to produce because personnel's maloperation or other reasons. Wherein, spacing fixing base 40 can restrict millimeter wave scanner 14's displacement, reduces or eliminates millimeter wave scanner 14 and takes place unnecessary and rock in scanning imaging device 100's transportation, plays fixed and guard action when scanning imaging device 100 transports, maintains and debugs. And the limiting fixed seat 40 and the anti-dismounting device 41 are combined for use, so that the millimeter wave scanner 14 can be ensured not to move in the maintenance and debugging process of the scanning imaging device 100, the safety of maintenance personnel is ensured, and the safety performance of the whole machine is improved.

Referring again to fig. 2, in some embodiments, the bracket 10 includes a first frame structure 42 and a second frame structure 43 disposed horizontally opposite and apart. The scanning imaging device 100 includes a guide rail assembly 44, the guide rail assembly 44 being disposed on the support 10 and including a guide rail 45. In some embodiments, the guide rail assembly 44 includes a guide mount 48, the guide mount 48 being coupled to the carriage 10 and the guide rail 45 for mounting the guide rail 45 to the carriage 10. Fig. 9 is a partially enlarged view 100b of the scanning image forming apparatus 100 shown in fig. 3. Referring to fig. 3 and 9, the guide fixing member 48 includes a first guide fixing member 49 disposed at an upper portion of the bracket 10, a second guide fixing member 50 disposed at a middle portion of the bracket 10, and a third guide fixing member 51 disposed at a lower portion of the bracket 10, and fixes the guide rail 45 at three positions, i.e., upper, middle, and lower, respectively, so that the fixing effect is better and the guide rail is not easily shaken. The guide rail 45 includes a first guide rail 46 and a second guide rail 47, the first guide rail 46 is disposed inside the first door frame structure 42, and the first millimeter wave scanner 15 is slidably disposed on the first guide rail 46; second guide rail 47 is disposed on the inner side of second door frame structure 43, and second millimeter-wave scanner 16 is slidably disposed on second guide rail 47, so that millimeter-wave scanner 14 is slidably disposed on guide rail 45, and millimeter-wave scanner 14 moves more smoothly, and has higher movement accuracy and better movement stability. The anti-detaching device 41 is fixedly disposed on one side of the first guide rail 46 far away from the first millimeter-wave scanner 15 or one side of the second guide rail 47 far away from the second millimeter-wave scanner 16, so that the first millimeter-wave scanner 15 and the second millimeter-wave scanner 16 do not interfere with the anti-detaching device 41 during the movement process, and the phenomenon that the scanning imaging apparatus 100 is stopped due to accidental touch can be reduced.

Referring to fig. 2 and 8, in some embodiments, the scanning assembly 11 includes a millimeter wave scanner mounting base 52, and the millimeter wave scanner 14 is fixedly disposed on the millimeter wave scanner mounting base 52, wherein the millimeter wave scanner 14 is stationary relative to the millimeter wave scanner mounting base 52. The limit fixing base 40 is mounted on the guide rail 45 when the scanning imaging device 100 is debugged, and is connected to the millimeter wave scanner fixing base 52. The limiting fixing seat 40 includes a fixing groove 53 and connecting portions 72 extending outwards from two opposite side edges of the fixing groove 53, the guide rail 45 is disposed in the fixing groove 53 and connected to the fixing groove 53, and the connecting portions 72 are connected to the fixing seat of the millimeter wave scanner 14. The limiting fixing seat 40 is detachably connected to the guide rail 45 and the millimeter wave scanner fixing seat 52, so that the displacement of the millimeter wave scanner fixing seat 52 and the displacement of the millimeter wave scanner 14 can be limited in the transportation, installation and debugging processes of the scanning imaging device 100, and the safety performance of the whole machine is improved. The guide track 45 can be tightly attached to the groove wall of the fixing groove 53, so that the friction force between the guide track 45 and the limiting fixing seat 40 can be increased, and the fixing effect is better; and a gap can be reserved between the limiting fixing seat and the groove wall of the fixing groove 53, so that the limiting fixing seat 40 can be conveniently disassembled and assembled.

In some embodiments, the detachment prevention device 41 includes a pressure sensor 54, and the limiting fixing seat 40 is fixedly connected with the guide rail 45 when the scanning imaging device 100 is debugged, and abuts against the pressure sensor 54; the anti-dismounting device 41 is used for sensing the pressure provided by the limiting fixed seat 40 and generating a pressure signal, the controller is connected with the anti-dismounting device 41 and used for controlling the scanning imaging equipment 100 to be out of work according to the pressure signal, wherein the anti-dismounting device 41 comprises a pressure sensor 54, so that when the limiting fixed seat 40 is installed on the guide track 45, the limiting fixed seat 40 can directly abut against the anti-dismounting device 41 to stop the scanning imaging equipment 100, and the anti-dismounting device is simple in operation and good in reliability.

Referring to fig. 3 again, in some embodiments, the scanning imaging apparatus 100 includes a cladding board (not shown) and a hinge fixing bracket 66 connected to the cladding board, and the cladding board is mounted on the outer side of the bracket 10, i.e. the back side of the millimeter wave scanner 14, through the hinge fixing bracket 66, and plays a role in protecting the structure arranged on the inner side of the bracket 10, so that the whole apparatus is more neat and beautiful. In some embodiments, the scanning imaging apparatus 100 further includes a protection device, wherein the protection device 67 may be a pressure sensor, the protection device 67 is disposed on the bracket 10 and pressed against the cladding panel, the protection device 67 is configured to sense a pressure provided by the cladding panel and generate a pressure signal, and the controller is connected to the protection device 67 and configured to receive the pressure signal of the protection device 67 and control the motion module of the scanning imaging apparatus 100 not to operate when the pressure signal indicates that the cladding panel is not pressed against the protection device 67.

FIG. 10 is a partially exploded perspective view of the scanning imaging device 100 shown in FIG. 1; fig. 11 is a partially enlarged view 100c of the scanning image forming apparatus 100 shown in fig. 2. Referring to fig. 10 and 11, in some embodiments, scanning imaging device 100 includes a position detection sensor 73, and position detection sensor 73 is disposed on scanning assembly 11 and moves in synchronization with millimeter wave scanner 14 for detecting the operating position of millimeter wave scanner 14. The position detection sensor 73 may include, for example, a magnetic grating strip 55 and a magnetic grating sensor 56, and may also include a grating strip and a grating sensor. The magnetic grating strips 55 and the magnetic grating sensor 56 are taken as an example for explanation in the present application, and the magnetic grating sensor 56 is disposed on the scanning component 11 and moves synchronously with the millimeter wave scanner 14. The magnetic grating strips 55 are disposed along the movement path of the millimeter wave scanner 14, wherein the length of the magnetic grating strips 55 may be equal to the movement distance of the millimeter wave scanner 14. In some embodiments, the guide rail 45 includes a locking groove 57 disposed along the vertical direction, and the magnetic grid 55 is fixed to the locking groove 57, so that the magnetic grid is well fixed, is not easy to be separated, and is not easy to change position due to collision. The magnetic grid sensor 56 is disposed corresponding to the magnetic grid 55 and is configured to collect a magnetic field signal of the magnetic grid 55. The controller is coupled to the magnetic grid sensor 56 for determining the operational position of the millimeter wave scanner 14 based on the magnetic field signal. Because the magnetic ring in the magnetic grid 55 forms a magnetic field, when the magnetic grid sensor 56 moves to any position of the magnetic grid 55 along with the millimeter wave scanner 14, the magnetic field in the magnetic grid 55 can be generated, the magnetic grid sensor 56 can read a change value to judge the current position of the millimeter wave scanner 14, and the judgment mode is accurate, low in cost and convenient to install.

In some embodiments, the scanning imaging device 100 includes a limit switch 58 and a limit switch trigger 59, the millimeter wave scanner 14 includes a first limit position (i.e., an upper limit position), a second limit position (i.e., a lower limit position), and an origin position, and the limit switch 58 is disposed corresponding to the first limit position, the second limit position, and the origin position, and is connected to the controller. The limit switch trigger 59 is disposed on the scanning unit 11 and moves synchronously with the millimeter wave scanner 14. In this embodiment, limit switch trigger 59 is installed and is kept away from millimeter wave scanner 14 one side in millimeter wave scanner fixing base 52, and limit switch 58 sets up in guide rail 45, so when millimeter wave scanner 14 motion, limit switch trigger 59 easily with limit switch 58 butt, the overall structure design is simple more reasonable. When the limit switch trigger 59 abuts against the limit switch 58, the controller controls the millimeter wave scanner 14 to stop running, so that when the millimeter wave scanner 14 runs to the upper limit position, the lower limit position and the origin position, the millimeter wave scanner 14 can stop running, the safety performance of the whole machine is improved, and the millimeter wave scanner 14 can also move in the reverse direction when running to the upper limit position and the lower limit position, which is not limited in the application. In this embodiment, the magnetic grid sensor 56 and the limit switch trigger 59 are disposed on two sides of the millimeter wave scanner fixing seat 52 along the length direction, so that the structural design of the scanning assembly 11 is more compact and reasonable, and the space utilization rate of the millimeter wave scanner fixing seat 52 is improved.

Referring to fig. 12 to 13, in some embodiments, the present application further includes a calibration fixture 101 applied to the scanning imaging device 100, where the calibration fixture 101 includes a calibration fixture base 110, a calibration fixture baffle 120, and a calibration scale 140. The calibration fixture base 110 is first placed on the pedal 200 at the entrance of the passageway of the scanning imaging device 100. Referring to fig. 14 and 15, the calibration fixture base 110 includes a base main body 115 and four foot cups 111 connected to the base main body 115 and disposed below the base main body 115, where the number of the foot cups 111 may be four, and the four foot cups are distributed at four opposite corners of the base main body 115, and the heights of the four foot cups 111 may be respectively adjusted to keep the base main body 115 horizontal. The foot cup 111 comprises a limiting nut 112, the limiting nut 112 is arranged on one side, far away from the bottom of the foot cup 111, of the base main body 115, the limiting nut 112 is screwed, the height of the foot cup 111 can be limited, and the preliminary installation of the calibration tool base 110 is completed by repeating the above operations.

Referring to fig. 16, the calibration tooling base 110 includes a base metal plate 113, the base metal plate 113 is connected to the base main body 115, wherein the base metal plate 113 may be a square tube, the calibration tooling baffle 120 includes a baffle fixing metal plate 125, the baffle fixing metal plate 125 includes a metal plate main body 133 and a metal plate connecting portion 134 extending downward from the metal plate main body 133, and the metal plate connecting portion 134 may be a circular tube, and the metal plate connecting portion 134 is inserted into the base metal plate 113. The calibration tool 101 comprises a pedal positioning screw 114, the pedal positioning screw 114 is fixedly connected to the calibration tool base 110 and the scanning imaging device 100, and the pedal positioning screw 114 is screwed down to limit the position of the calibration tool 101. The calibration tooling baffle 120 further comprises a metal baffle 121 connected with a baffle fixing sheet metal 125. Referring to fig. 12 to 14 again, the calibration scale 140 is placed on the metal baffle 121, with the channel wall of the scanning imaging device 100 as a reference, the baffle adjustment screw 126 is screwed to adjust the position of the metal baffle 121 according to the scales on the two sides of the calibration scale 140 until the scales of the calibration scale 140 on the two sides of the channel inlet and the channel outlet of the scanning imaging device 100 are consistent, the adjustment sheet metal fixing screw 123 is screwed, the metal baffle 121 is located at the center of the channel, the calibration tool 101 is installed and debugged, and then the millimeter wave scanner 14 is adjusted to the same height as the metal baffle 121, so that calibration of the radio frequency channel of the scanning imaging device 100 can be started.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (10)

1. A scanning imaging device, comprising:

a support;

the scanning component is arranged on the bracket and comprises a millimeter wave scanner, the millimeter wave scanner comprises a first millimeter wave scanner and a second millimeter wave scanner, and the first millimeter wave scanner and the second millimeter wave scanner are arranged in an opposite manner;

the connecting component is at least partially arranged at the top of the bracket and is used for connecting the first millimeter wave scanner with the second millimeter wave scanner; and

drive assembly locates the support, with first millimeter wave scanner connects, is used for the drive first millimeter wave scanner moves in vertical direction, pass through during the motion of first millimeter wave scanner coupling assembling drives second millimeter wave scanner moves in vertical direction, second millimeter wave scanner with first millimeter wave scanner is opposite in the ascending direction of motion of vertical direction.

2. The scanning imaging device of claim 1, wherein the connection assembly comprises a flexible connection element and a guide assembly, the guide assembly is arranged at the top of the support and comprises a pulley, one end of the flexible connection element is connected with the first millimeter wave scanner, the flexible connection element bypasses the pulley, and the other end of the flexible connection element is connected with the second millimeter wave scanner.

3. The scanning imaging device of claim 2, wherein said pulley includes an outer hub, a bearing and a pulley shaft, the bearing includes a bearing inner race and a bearing outer race, said bearing outer race is fixedly disposed within said outer hub, said pulley shaft is fixedly disposed within said bearing inner race, said bearing inner race and said bearing outer race are relatively rotatable; the outer hub comprises a mounting groove, the mounting groove is inwards recessed from the outer surface of the outer hub, the flexible connecting piece is slidably arranged in the mounting groove, and the width of the mounting groove is larger than that of the flexible connecting piece.

4. The scanning imaging device of claim 3, wherein the guiding assembly comprises a pulley seat and a pulley fixing plate connected with the pulley seat, the pulley is disposed on the pulley seat, and the pulley seat is fixedly connected with the bracket;

the pulley seat is provided with a sliding groove, the pulley shaft is arranged in the sliding groove and comprises a limiting groove, and the pulley fixing plate is clamped in the limiting groove; and/or

The guide assembly comprises an anti-drop plate, the anti-drop plate is fixedly arranged on the pulley seat, and the anti-drop plate is arranged on the outer side of the pulley; and/or

The surface of the mounting groove, which is in contact with the flexible connecting piece, is plated with chrome or nickel; and/or

The surface of the mounting groove, which is in contact with the flexible connecting piece, is an arc surface.

5. The scanning imaging device of claim 1, comprising a limiting fixing seat, an anti-detaching device and a controller, wherein the limiting fixing seat is installed on a motion path of the millimeter wave scanner when the scanning imaging device is debugged, and is used for limiting the motion of the millimeter wave scanner, the anti-detaching device is arranged corresponding to the limiting fixing seat when the scanning imaging device is debugged, and is used for sensing the limiting fixing seat and generating a corresponding electrical signal, the controller is connected with the anti-detaching device and is used for receiving the electrical signal of the anti-detaching device, and when the electrical signal indicates that the limiting fixing seat is installed on the motion path of the millimeter wave scanner, the millimeter wave scanner is at least controlled not to move.

6. The scanning imaging device of claim 5, wherein said bracket includes first and second door frame structures disposed horizontally opposite and apart, said scanning imaging device including a guide track assembly;

the guide rail assembly is arranged on the bracket and comprises a guide rail, the guide rail comprises a first guide rail and a second guide rail, the first guide rail is arranged on the inner side of the first door frame structure, and the first millimeter wave scanner is slidably arranged on the first guide rail; the second guide rail is arranged on the inner side of the second door frame structure, and the second millimeter wave scanner is slidably arranged on the second guide rail; the anti-dismounting device is fixedly arranged on one side, away from the first millimeter wave scanner, of the first guide rail or one side, away from the second millimeter wave scanner, of the second guide rail.

7. The scanning imaging device of claim 6, wherein the scanning assembly comprises a millimeter wave scanner mount, the millimeter wave scanner being fixedly disposed on the millimeter wave scanner mount; the limit fixing seat is arranged on the guide rail when the scanning imaging equipment is debugged and is connected with the millimeter wave scanner fixing seat; the limiting fixing seat comprises a fixing groove and a connecting portion, the connecting portion extends outwards from the edges of the two opposite sides of the fixing groove, the guide track is arranged in the fixing groove and connected with the fixing groove, and the connecting portion is connected with the millimeter wave scanner fixing seat.

8. The scanning imaging device of claim 6, wherein the anti-detaching device comprises a pressure sensor, and the limiting fixing seat is mounted on the guide rail and abuts against the pressure sensor when the scanning imaging device is debugged; the anti-dismounting device is used for sensing the pressure provided by the limiting fixing seat and generating a pressure signal, and the controller is connected with the anti-dismounting device and used for controlling the millimeter wave scanner not to move according to the pressure signal.

9. The scanning imaging device of claim 1, comprising a controller and a position detection sensor, wherein the position detection sensor is disposed on the scanning assembly, moves synchronously with the millimeter wave scanner, and is used for detecting an operating position of the millimeter wave scanner; and/or

The millimeter wave scanner comprises a first limit position, a second limit position and an origin position, and the limit switch is arranged corresponding to the first limit position, the second limit position and the origin position and is connected with the controller; the limit switch trigger is arranged on the scanning component and moves synchronously with the millimeter wave scanner; when the limit switch trigger is abutted to the limit switch, the controller controls the millimeter wave scanner to stop.

10. The scanning imaging device of claim 1, comprising a guide bar disposed along the vertical direction and fixedly connected to the support, the millimeter wave scanner being slidably disposed on the guide bar.

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