CN113277347A - Test paper conveying mechanism, detection device and test paper conveying method - Google Patents
Test paper conveying mechanism, detection device and test paper conveying method Download PDFInfo
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- CN113277347A CN113277347A CN202110543916.1A CN202110543916A CN113277347A CN 113277347 A CN113277347 A CN 113277347A CN 202110543916 A CN202110543916 A CN 202110543916A CN 113277347 A CN113277347 A CN 113277347A
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- 238000012360 testing method Methods 0.000 title claims abstract description 222
- 230000007246 mechanism Effects 0.000 title claims abstract description 48
- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004804 winding Methods 0.000 claims abstract description 97
- 239000000523 sample Substances 0.000 claims abstract description 33
- 230000008569 process Effects 0.000 claims abstract description 14
- 230000007723 transport mechanism Effects 0.000 claims abstract description 12
- 238000007689 inspection Methods 0.000 claims description 24
- 230000000149 penetrating effect Effects 0.000 claims description 19
- 230000001360 synchronised effect Effects 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 claims description 10
- 230000006698 induction Effects 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims description 2
- 239000003153 chemical reaction reagent Substances 0.000 claims 6
- 230000005693 optoelectronics Effects 0.000 claims 3
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000002716 delivery method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/02—Supporting web roll
- B65H18/026—Cantilever type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/02—Supporting web roll
- B65H16/04—Supporting web roll cantilever type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/02—Advancing webs by friction roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
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Abstract
The application provides a test paper transport mechanism, be provided with the test paper on it and be used for detecting whether the article that treats that the security check personnel carried have contraband article at the security check in-process. The test paper conveying mechanism comprises an arm body, an unreeling assembly fixedly connected with the arm body and used for winding and unreeling the test paper, a reeling assembly fixedly connected with the arm body, a driving assembly arranged on the arm body and connected with the reeling assembly, and a detection probe arranged on the arm body. The driving assembly is used for driving the winding assembly to move so as to drive the used test paper to be wound on the winding assembly, and the winding assembly pulls the test paper in the winding process so as to drive the unwinding assembly to release the test paper. The test paper conveying mechanism can continuously convey the test paper without continuously replacing the test paper, so that the checking efficiency and the checking speed are improved. The application also provides a detection device and a test paper conveying method using the test paper conveying mechanism.
Description
Technical Field
The application relates to the field of security inspection systems, in particular to a test paper conveying mechanism, a detection device and a test paper conveying method.
Background
With the development of science and technology and the improvement of public safety awareness, baggage security inspection is a necessary process for checking whether the baggage carries prohibited articles, such as explosive objects; therefore, threat factors of public safety can be reduced, and the travel safety of people is guaranteed.
In the existing security inspection system process, a security inspector usually holds a detection rod equipped with a detection test paper by hand, and the security inspector manually operates the detection rod to make the test paper contact with the luggage. When the test rod is used, the test paper on the test rod needs to be replaced frequently, so that the inspection efficiency and the inspection speed are affected.
Disclosure of Invention
An object of the embodiments of the present application is to provide a test paper conveying mechanism, a detection device, and a test paper conveying method, so as to solve the problems of low detection efficiency and slow detection speed in the prior art.
In order to achieve the above object, the present application provides a test paper conveying mechanism, which is provided with a test paper thereon and is used for detecting whether an object carried by a person to be security-checked has a contraband object in a security check process, the test paper conveying mechanism includes:
an arm body;
the unwinding assembly is fixedly connected with the arm body and is used for winding and unwinding the test paper;
the winding assembly is fixedly connected with the arm body;
the driving assembly is arranged on the arm body and connected with the winding assembly;
the test paper wound on the unwinding assembly is movably arranged on the test probe and the winding assembly in sequence, and the test paper arranged on the test probe is used for contacting articles carried by a person to be subjected to security inspection; and the number of the first and second groups,
the driving assembly is used for driving the winding assembly to move so as to drive the used test paper to be wound on the winding assembly, and the winding assembly pulls the test paper in the winding process so as to drive the unwinding assembly to release the test paper.
In one application embodiment, the driving assembly comprises a driving roller penetrating and connected with the arm body, a driving device connected with the driving roller, a driving wheel connected with the driving roller and a synchronous belt; the arm body is positioned between the driving device and the driving wheel, the driving wheel and the winding assembly are positioned on the same side of the arm body, and the synchronous belt is wound on the driving wheel and the winding assembly; the driving device is used for driving the driving wheel to rotate so as to drive the synchronous belt to perform turnover movement, and therefore the winding assembly is driven to wind the used test paper.
In an embodiment of the application, the winding assembly includes a first bearing fixed on the arm, a winding shaft rotatably connected to the first bearing, a sheave fixedly sleeved on the winding shaft, and a winding member sleeved on the winding shaft; the sheave is located between the takeup member and the first bearing; the synchronous belt is wound on the grooved pulley of the winding assembly; the synchronous belt drives the grooved pulley to rotate so as to drive a rolling shaft fixedly connected with the grooved pulley to rotate, and therefore the rolling part is driven to rotate so as to roll the test paper onto the rolling part.
In an embodiment of the application, the test paper conveying mechanism further comprises a tensioning assembly and an adjusting seat, wherein the tensioning assembly is connected with the arm body, one end of the adjusting seat is fixedly connected with the arm body, and the other end of the adjusting seat is movably connected with the tensioning assembly; the tensioning component is partially arranged close to the driving roller, and the test paper is clamped between the tensioning component and the driving roller; the pressure of the tensioning assembly on the driving roller is adjusted by adjusting the distance of the tensioning assembly on the adjusting seat, so that the test paper and the driving roller do not slide relatively.
In one embodiment of the application, the tensioning assembly comprises a connecting arm, a first shaft member, a second shaft member and a torsion spring; one end of the first shaft element is connected with the connecting arm in a penetrating mode, the other end of the first shaft element is connected with the arm body in a penetrating mode, one end of the second shaft element is connected with the connecting arm in a penetrating mode, the other end of the second shaft element is connected with the arm body in a penetrating mode, one end of the torsion spring is fixedly connected to one end, penetrating through the connecting arm, of the first shaft element, and the other end of the torsion spring is movably connected with the adjusting seat; the test paper is clamped between the second shaft member and the driving roller, and the pressure of the second shaft member on the driving roller is adjusted by adjusting the distance of the torsion spring on the adjusting seat.
In an embodiment of the present application, the unwinding assembly further includes a second bearing fixed on the arm, an unwinding shaft rotatably connected to the second bearing, and a plurality of brackets fixedly disposed on the unwinding shaft; the plurality of supports are used for sleeving the test paper with the paper core, and the winding component pulls the test paper in the winding process to drive the paper core to rotate to release the test paper.
In an embodiment of the application, the detection probe comprises a flexible member which is deformable and used for placing the test paper; the test paper conveying mechanism further comprises an induction assembly fixedly connected with the arm body, the induction assembly is used for inducing whether the flexible piece contacts with an article carried by a person to be subjected to security inspection, and when the flexible piece contacts with the article, the flexible piece deforms.
In an embodiment of the application, the detection probe further comprises a sliding piece fixedly connected with the arm body, a sliding shaft and at least one compressible spring; one end of the sliding shaft can be connected with the sliding part in a sliding mode, the other end of the sliding shaft is fixedly connected with the flexible part, one end of each spring is fixedly connected with the flexible part, and the other end of each spring is fixedly connected with the arm body; one side of the flexible part, which is far away from the spring, is used for arranging the test paper.
In an embodiment of the application, the sensing assembly comprises a photoelectric support fixedly connected with the flexible member and a photoelectric switch fixedly connected with the arm body and the photoelectric support.
In an application embodiment, the test paper conveying mechanism further includes a test paper sensing device fixedly arranged on the arm body, the unwinding assembly and the test paper sensing device are respectively arranged on two opposite sides of the arm body, and the test paper sensing device is used for detecting whether test paper wound on the unwinding assembly is consumed or not.
The application still provides a detection device for whether the article that the security check personnel carried that detect at the security check in-process has forbidden article, detection device includes:
a support;
the test paper conveying mechanism is arranged on the bracket, and the test paper on the detection probe is used for contacting an article carried by a person to be subjected to security inspection; and the number of the first and second groups,
a detection mechanism; the test paper is used for detecting whether the test paper which contacts the articles carried by the personnel to be detected contacts the contraband articles.
The application also provides a test paper conveying method, the test paper conveying mechanism comprises the following steps:
sleeving the test paper with the paper core on the unwinding assembly;
sequentially winding the test paper on the unwinding assembly on the detection probe, the driving assembly and the unwinding assembly;
clamping the test paper between the driving component and a tensioning component, and adjusting the pressure of the tensioning component on the driving component to ensure that the test paper and the tensioning component do not slide relatively;
contacting an article to be detected by using the test paper on the detection probe;
the driving wheel of the driving assembly is used for driving a synchronous belt wound on the driving wheel to rotate so as to drive a winding assembly connected with the synchronous belt to wind the used test paper on the winding assembly; and the number of the first and second groups,
the test paper is pulled to move through the winding action of the winding component so as to drive the unwinding component to release the test paper.
In the test paper conveying mechanism, the driving component is used for driving the winding component to move so as to drive the used test paper to be wound on the winding component, and the winding component pulls the test paper in the winding process so as to drive the unwinding component to release the test paper. Therefore, the test paper conveying mechanism can continuously convey the test paper without continuously replacing the test paper, and the checking efficiency and the checking speed are favorably improved.
In the detection device, the test paper conveying mechanism can continuously convey the test paper without continuously replacing the test paper, thereby being beneficial to improving the checking efficiency and speed.
The test paper conveying method can effectively and continuously convey the test paper, is quick and effective, and is beneficial to improving the checking speed and efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a front view of a test strip transport mechanism according to an embodiment of the present application;
FIG. 2 is a perspective view of a strip transport mechanism according to an embodiment of the present disclosure;
FIG. 3 is a further perspective view of the test strip transport mechanism according to the embodiment of the present application;
fig. 4(a) is a perspective view of an unwinding assembly of the test paper conveying mechanism according to the embodiment of the present application;
fig. 4(b) is a cross-sectional view of the unwinding assembly of fig. 4(a) along a cutting line AA';
fig. 4(c) is a further perspective view of the unwinding assembly of the test paper conveying mechanism according to the embodiment of the present application;
FIG. 5 is a schematic view of a test probe of the test strip delivery mechanism according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of a tensioning assembly of the test strip transport mechanism according to an embodiment of the present application.
FIG. 7 is a flowchart of a test strip delivery method according to an embodiment of the present application.
Description of the main elements
Test paper conveying mechanism 100
Unwinding assembly 20
Second bearing 21
Winding assembly 30
Winding shaft 32
The winding member 34
Drive assembly 40
Drive roller 41
Drive wheel 43
Timing belt 44
Sliding member 52
Sliding shaft 53
Fixing block 55
Contact roller 57
Connecting arm 61
Pressing shaft 633
Adjusting seat 70
Test paper detection device 90
The following detailed description will further illustrate the present application in conjunction with the above-described figures.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The test strip transport mechanism provided in the embodiments of the present application will now be described with reference to the drawings.
Referring to fig. 1, a test strip conveying mechanism 100 provided in an embodiment of the present application is provided with a test strip thereon and is used for security inspection to detect whether an object carried by a person to be security inspected has an illegal object during a security inspection process. The test paper is used for touching the article, and whether the article is a contraband article can be judged by detecting the test paper subsequently. The test paper conveying mechanism 100 includes an arm 10, an unwinding assembly 20, a winding assembly 30, a driving assembly 40, and a detection probe 50.
Specifically, the unwinding assembly 20 is fixedly connected to the arm 10 and is used for winding and unwinding the test paper. The winding assembly 30 is fixedly connected with the arm body 10. The driving assembly 40 is arranged on the arm body 10 and connected with the winding assembly 30, and the detection probe 50 is arranged on the arm body 10; the test paper wound on the unwinding assembly 20 is sequentially movably arranged on the detection probe 50 and the winding assembly 30, and the test paper arranged on the detection probe 50 is used for contacting articles carried by a person to be subjected to security inspection. The driving component 40 is configured to drive the winding component 30 to move so as to drive the used test paper to be wound onto the winding component 30, and the winding component 30 pulls the test paper in the winding process so as to drive the unwinding component 20 to release the test paper.
Referring to fig. 1 and 2, the driving assembly 40 includes a driving roller 41 penetrating the arm body 10, a driving device 42 connected to the driving roller 41, a driving wheel 43 connected to the driving roller 41, and a timing belt 44. The arm body 10 is located between the driving device 42 and the driving wheel 43, the driving wheel 43 and the winding component 30 are located on the same side of the arm body 10, and the synchronous belt 44 is wound around the driving wheel 43 and the winding component 30. The driving device 42 is used for driving the driving wheel 43 to rotate so as to drive the synchronous belt 44 to perform a revolving motion, so as to drive the winding assembly 30 to wind the used test paper.
In the present embodiment, the driving device 42 and the driving wheel 43 are located on different sides of the arm body 10. The driving device 42 may be, but is not limited to, a servo motor.
In this embodiment, the driving roller 41 is fixed on a motor shaft end of a servo motor, the driving roller 41 is connected with the motor shaft through a D-shaped hole, and the motor shaft and the driving roller 41 do not rotate relatively. The driving wheel 43 is fixedly connected to the driving roller 41, the driving wheel 43 is provided with a D-shaped hole matched with a D-shaped shaft at one end of the driving roller 41, and the driving wheel 43 and the driving roller 41 do not rotate relatively.
With combined reference to fig. 2 and 3, the unwinding assembly 20 includes an unwinding shaft 22 rotatably connected to the arm 10 and a plurality of brackets fixedly disposed on the unwinding shaft 22; the plurality of supports are used for sleeving the test paper with the paper core, and the winding component 30 pulls the test paper in the winding process to drive the paper core to rotate to release the test paper.
With further reference to fig. 1, 2 and 3, the unwinding assembly 20 further includes a second bearing 21 fixed on the arm 10, an unwinding shaft 22 rotatably connected to the second bearing 21, and a plurality of brackets 23 fixedly disposed on the unwinding shaft 22. In this embodiment, the plurality of brackets 23 are used for sleeving the test paper with a paper core, and the rolling component 30 pulls the test paper to drive the test paper with the paper core to rotate to release the test paper during rolling.
With further reference to fig. 1 and 3, the test strip transfer mechanism 100 further includes a support member 101 fixedly connected to the arm 10. The test paper sleeved on the support 23 is sequentially and movably arranged on the support member 101, the detection probe 50 and the winding assembly 30.
With reference to fig. 3, 4(a), 4(b) and 4(c), the winding assembly 30 includes a first bearing 31 fixed on the arm 10, a winding shaft 32 rotatably connected to the first bearing 31, a sheave 33 fixedly sleeved on the winding shaft 32, and a winding member 34 sleeved on the winding shaft 32; the sheave 33 is located between the take-up member 34 and the first bearing 31; the synchronous belt 44 is wound on the sheave 33 of the winding assembly 30. In this embodiment, the timing belt 44 drives the sheave 33 to rotate so as to drive the take-up shaft 32 fixedly connected to the sheave 33 to rotate, thereby driving the take-up member 34 to rotate so as to take up the test paper on the take-up member 34.
With further reference to fig. 4(b) and 4(c), the winding assembly 30 further includes a sleeve 35 disposed on the winding shaft 32. The sleeve 35 is elastic and is located on the side of the sheave 33 away from the first bearing 31. The rolling member 34 is sleeved on the sleeve 35 through a bolt 36.
Specifically, the shaft sleeve is provided with a small notch, and a certain interference exists for matching, when the winding shaft 32 is sleeved, the small notch is slightly expanded, and at the moment, the elastic shaft sleeve and the winding shaft 32 do not rotate relatively due to friction force.
With further reference to fig. 2 and 3, the test probe 50 includes a flexible member 51 that is deformable and is used to position the test strip. In this embodiment, one end of the detection probe 50 is fixedly connected to the arm 10, and the other end thereof extends beyond the arm 10, specifically, the flexible member 51 extends beyond the arm 10.
The test paper conveying mechanism 100 further comprises a sensing assembly 80 fixedly connected with the arm body 10, and the sensing assembly 80 is used for sensing whether the flexible piece 51 contacts with an article carried by the person to be subjected to security inspection. After the flexible member 51 contacts the article, the flexible member 51 deforms and contracts. The deformable flexible member 51 does not damage or crush the article when contacting the article; meanwhile, when the test strip delivery mechanism 100 contacts with an object, the object exerts a force on the test strip delivery mechanism 100, and the flexible and deformable flexible member 51 can play a role in buffering, so that the test strip delivery mechanism is protected from being damaged.
Specifically, the sensing assembly 80 includes a photoelectric bracket 81 fixedly connected to the flexible member 51 and a photoelectric switch 82, and the photoelectric switch 82 is fixedly connected to the arm 10 and the photoelectric bracket 81.
With combined reference to fig. 3 and 5, the inspection probe 50 further includes a sliding member 52 fixedly connected to the arm 10, a sliding shaft 53, and at least one compressible spring 54. Specifically, the sliding shaft 53 may have one end slidably connected to the sliding member 52 and the other end fixedly connected to the flexible member 51, and one end of each spring 54 is fixedly connected to the flexible member 51 and the other end fixedly connected to the arm 10; the side of the flexible member 51 away from the spring 54 is used for placing the test paper. In this embodiment, each of the springs 54 is fixedly connected to the arm 10 through a fixing block 55.
It is understood that one side of the flexible member 51 is used for arranging the test paper, and the other side is provided with the sliding member 52, the sliding shaft 53, the spring 54 and the fixing block.
In this embodiment, the inspection probe 50 further includes a support roller 56 and a contact roller 57 disposed on the flexible member 51. The supporting roller 56 and the contact roller 57 are located on the same side of the flexible member 51, and the contact roller 57 is farther away from the spring 54 than the supporting roller 56, and the supporting roller 56 and the contact roller 57 are used for arranging the test paper; the test paper on the unwinding assembly 20 is sequentially and movably arranged on the supporting member 101, the supporting roller 56 of the detection probe 50, the contact roller 57 of the detection probe 50 and the winding assembly 30.
Referring to fig. 2, 3 and 6 in combination, the test strip transfer mechanism 100 further includes a tensioning assembly 60 and an adjustment seat 70 connected to the arm 10. One end of the adjusting seat 70 is fixedly connected with the arm body 10, and the other end is movably connected with the tensioning assembly 60; the tensioning assembly 60 is partially disposed against the drive roller 41 and the test paper is sandwiched between the tensioning assembly 60 and the drive roller 41. By adjusting the distance of the tensioning assembly 60 on the adjusting seat 70 to adjust the pressure of the tensioning assembly 60 on the driving roller 41, no relative sliding between the test paper and the driving roller 41 is realized.
In this embodiment, the tension assembly 60 is located between the take-up 34 and the inspection probe 50; the test paper is sequentially arranged on the detection probe 50, the tensioning assembly 60 and the winding member 34 from the winding member 34, and the test paper is clamped between the tensioning assembly 60 and the driving roller 41.
With further reference to fig. 2, 3 and 6, the tensioning assembly 60 includes a connecting arm 61, a first shaft member 62, a second shaft member 63 and a torsion spring 64; one end of the first shaft element 62 is connected with the connecting arm 61 in a penetrating manner and the other end is connected with the arm body 10, one end of the second shaft element 63 is connected with the connecting arm 61 in a penetrating manner and the other end is connected with the arm body 10 in a penetrating manner, one end of the torsion spring 64 is fixedly connected with one end of the first shaft element 62 penetrating the connecting arm 61 and the other end is movably connected with the adjusting seat 70; the test paper is clamped between the second shaft member 63 and the driving roller 41, and the pressure of the second shaft member 63 on the driving roller 41 is adjusted by adjusting the distance of the torsion spring 64 on the adjusting seat 70.
Further, the first shaft member 62 includes a rotatable rotating shaft 621 penetrating through the connecting arm 61, and the torsion spring 64 is connected to the rotating shaft 621. The second shaft member 63 includes a third bearing 632, a tension shaft 631 fixedly connected to one side of the third bearing 632, and a pressing shaft 633 fixedly connected to the other side of the third bearing 632. The pressing shaft 633 is located on the same side of the arm body 10 as the driving roller 41.
It can be understood that the test paper is clamped between the driving roller 41 and the pressing shaft 633, and the pressing force of the pressing shaft 633 against the driving roller 41 is adjusted by adjusting the distance of the torsion spring 64 on the adjusting seat 70, so that there is no relative sliding between the test paper and the driving roller 41 when the rolling assembly 30 rolls the test paper and the unwinding assembly 20 releases the test paper. The relative non-slip is beneficial to controlling the advancing distance of the effective test paper through the motor, so that the use of the test paper is saved, and a roll of test paper on the unreeling assembly 20 is fully utilized.
With further reference to fig. 2, the test paper conveying mechanism 100 further includes a test paper sensing device fixedly disposed on the arm 10, the unwinding assembly 20 and the test paper sensing device are respectively disposed on two opposite sides of the arm 10, and the test paper sensing device is configured to detect whether the test paper wound on and unwound from the unwinding assembly 20 is consumed.
In one embodiment, the test paper sensing device is a diffuse reflection sensor. Specifically, a through hole penetrating through the arm body 10 is formed in the arm body 10, and light emitted by the test paper sensing device can penetrate through the through hole. When the unreeling assembly 20 is provided with test paper, the test paper sensing device can receive light reflected by the test paper; when the test paper on the unwinding assembly 20 is continuously consumed and the test paper is running short, the test paper sensing device does not receive the light reflected by the test paper, which indicates that the test paper can be replaced.
In the test paper conveying mechanism 100, the driving assembly 40 is configured to drive the winding assembly 30 to move so as to drive the used test paper to be wound onto the winding assembly 30, and the winding assembly 30 pulls the test paper in the winding process so as to drive the unwinding assembly 20 to release the test paper. Thus, the test paper conveying mechanism 100 does not need to continuously replace the test paper, which is beneficial to improving the checking efficiency and speed.
The embodiment of the invention also provides a detection device which is used for detecting whether the articles carried by the personnel to be subjected to security inspection have forbidden articles in the security inspection process. The detection device comprises a support, the test paper conveying mechanism and a detection mechanism. The test paper conveying mechanism is arranged on the bracket, and the test paper on the detection probe is used for contacting an article carried by a person to be subjected to security inspection; the detection mechanism is used for detecting whether the test paper contacting the articles carried by the personnel to be subjected to security inspection contacts the contraband.
In this embodiment, when the detection device detects an article, the test paper conveying mechanism can continuously convey the test paper without continuously replacing the test paper, which is beneficial to improving the checking efficiency and speed.
Referring to fig. 7, an embodiment of the present invention further provides a test strip conveying method. The test paper conveying method is based on the test paper conveying mechanism and comprises the following steps:
step S1: sleeving the test paper with the paper core on the unwinding assembly;
step S2: sequentially winding the test paper on the unwinding assembly on the detection probe, the driving assembly and the unwinding assembly;
step S3: clamping the test paper between the driving component and a tensioning component, and adjusting the pressure of the tensioning component on the driving component to ensure that the test paper and the tensioning component do not slide relatively;
step S4: contacting an article to be detected by using the test paper on the detection probe;
step S5: the driving wheel of the driving assembly is used for driving a synchronous belt wound on the driving wheel to rotate so as to drive a winding assembly connected with the synchronous belt to wind the used test paper on the winding assembly; and
step S6: the test paper is pulled to move through the winding action of the winding component so as to drive the unwinding component to release the test paper.
In the present embodiment, the steps S1 and S6 are repeated to continuously convey the test paper.
In the embodiment, the test paper conveying method can effectively and continuously convey the test paper, is quick and effective, and is beneficial to improving the checking speed and efficiency.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (12)
1. The utility model provides a test paper transport mechanism is provided with the test paper on it, and is used for detecting whether the article that treats that the security check personnel carried has forbidden article at the security check in-process, its characterized in that includes:
an arm body;
the unwinding assembly is fixedly connected with the arm body and is used for winding and unwinding the test paper;
the winding assembly is fixedly connected with the arm body;
the driving assembly is arranged on the arm body and connected with the winding assembly;
the test paper wound on the unwinding assembly is movably arranged on the test probe and the winding assembly in sequence, and the test paper arranged on the test probe is used for contacting articles carried by a person to be subjected to security inspection; and
the driving assembly is used for driving the winding assembly to move so as to drive the used test paper to be wound on the winding assembly, and the winding assembly pulls the test paper in the winding process so as to drive the unwinding assembly to release the test paper.
2. A test strip transport mechanism according to claim 1, wherein said drive assembly includes a drive roller penetrating said arm, a drive device connected to said drive roller, a drive wheel connected to said drive roller, and a timing belt; the arm body is positioned between the driving device and the driving wheel, the driving wheel and the winding assembly are positioned on the same side of the arm body, and the synchronous belt is wound on the driving wheel and the winding assembly; the driving device is used for driving the driving wheel to rotate so as to drive the synchronous belt to perform turnover movement, and therefore the winding assembly is driven to wind the used test paper.
3. A test paper conveying mechanism according to claim 2, wherein the winding assembly includes a first bearing fixed on the arm, a winding shaft rotatably connected to the first bearing, a sheave fixedly secured to the winding shaft, and a winding member secured to the winding shaft; the sheave is located between the takeup member and the first bearing; the synchronous belt is wound on the grooved pulley of the winding assembly; the synchronous belt drives the grooved pulley to rotate so as to drive a rolling shaft fixedly connected with the grooved pulley to rotate, and therefore the rolling part is driven to rotate so as to roll the test paper onto the rolling part.
4. A test strip conveying mechanism according to claim 3, wherein the test strip conveying mechanism further comprises a tensioning assembly connected to the arm body and an adjustment seat, one end of the adjustment seat is fixedly connected to the arm body, and the other end of the adjustment seat is movably connected to the tensioning assembly; the tensioning component is partially arranged close to the driving roller, and the test paper is clamped between the tensioning component and the driving roller; the pressure of the tensioning assembly on the driving roller is adjusted by adjusting the distance of the tensioning assembly on the adjusting seat, so that the test paper and the driving roller do not slide relatively.
5. A test strip transport mechanism according to claim 4, wherein said tensioning assembly comprises a connecting arm, a first shaft member, a second shaft member and a torsion spring; one end of the first shaft element is connected with the connecting arm in a penetrating mode, the other end of the first shaft element is connected with the arm body in a penetrating mode, one end of the second shaft element is connected with the connecting arm in a penetrating mode, the other end of the second shaft element is connected with the arm body in a penetrating mode, one end of the torsion spring is fixedly connected to one end, penetrating through the connecting arm, of the first shaft element, and the other end of the; the test paper is clamped between the second shaft member and the driving roller, and the pressure of the second shaft member on the driving roller is adjusted by adjusting the distance of the torsion spring on the adjusting seat.
6. The reagent paper conveying mechanism of claim 1, wherein the unwinding assembly further comprises a second bearing fixed on the arm body, an unwinding shaft rotatably connected with the second bearing, and a plurality of brackets fixedly arranged on the unwinding shaft; the plurality of supports are used for sleeving the test paper with the paper core, and the winding component pulls the test paper in the winding process to drive the paper core to rotate to release the test paper.
7. A test strip transport mechanism as claimed in claim 1, wherein said test probe includes a flexible member which is deformable and which is adapted to receive said test strip; the test paper conveying mechanism further comprises an induction assembly fixedly connected with the arm body, the induction assembly is used for inducing whether the flexible piece contacts with an article carried by a person to be subjected to security inspection, and when the flexible piece contacts with the article, the flexible piece deforms.
8. A test strip transport mechanism as in claim 7 wherein said test probe further comprises a slide fixedly connected to said arm, a slide shaft and at least one compressible spring; one end of the sliding shaft can be connected with the sliding part in a sliding mode, the other end of the sliding shaft is fixedly connected with the flexible part, one end of each spring is fixedly connected with the flexible part, and the other end of each spring is fixedly connected with the arm body; one side of the flexible part, which is far away from the spring, is used for arranging the test paper.
9. A strip transport mechanism according to claim 7, wherein the sensing assembly includes an opto-electronic mount fixedly connected to the flexible member and an opto-electronic switch fixedly connected to the arm and the opto-electronic mount.
10. The reagent conveying mechanism of claim 1, further comprising a reagent sensing device fixedly disposed on the arm, wherein the unwinding assembly and the reagent sensing device are disposed on opposite sides of the arm, and the reagent sensing device is configured to detect whether the reagent wound on the unwinding assembly is consumed.
11. A detection device for detecting whether an article carried by a person to be subjected to security inspection has a contraband in a security inspection process, comprising:
a support;
a test strip delivery mechanism according to any one of claims 1 to 10, disposed on the support, the test strip on the test probe being adapted to contact an item carried by a person to be security checked; and
a detection mechanism; the test paper is used for detecting whether the test paper which contacts the articles carried by the personnel to be detected contacts the contraband articles.
12. A test strip transfer method based on the test strip transfer mechanism according to any one of claims 1 to 10, comprising:
sleeving the test paper with the paper core on the unwinding assembly;
sequentially winding the test paper on the unwinding assembly on the detection probe, the driving assembly and the unwinding assembly;
clamping the test paper between the driving component and a tensioning component, and adjusting the pressure of the tensioning component on the driving component to ensure that the test paper and the tensioning component do not slide relatively;
contacting an article to be detected by using the test paper on the detection probe;
the driving wheel of the driving assembly is used for driving a synchronous belt wound on the driving wheel to rotate so as to drive a winding assembly connected with the synchronous belt to wind the used test paper on the winding assembly; and
the test paper is pulled to move through the winding action of the winding component so as to drive the unwinding component to release the test paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110543916.1A CN113277347A (en) | 2021-05-19 | 2021-05-19 | Test paper conveying mechanism, detection device and test paper conveying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110543916.1A CN113277347A (en) | 2021-05-19 | 2021-05-19 | Test paper conveying mechanism, detection device and test paper conveying method |
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| CN113277347A true CN113277347A (en) | 2021-08-20 |
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| CN202110543916.1A Pending CN113277347A (en) | 2021-05-19 | 2021-05-19 | Test paper conveying mechanism, detection device and test paper conveying method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114813717A (en) * | 2022-04-08 | 2022-07-29 | 淄博市食品药品检验研究院 | Quick detection device of agricultural product organic pollutant |
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2021
- 2021-05-19 CN CN202110543916.1A patent/CN113277347A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114813717A (en) * | 2022-04-08 | 2022-07-29 | 淄博市食品药品检验研究院 | Quick detection device of agricultural product organic pollutant |
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