CN214895864U

CN214895864U - Detection system for detecting detection performance of human body safety inspection equipment

Info

Publication number: CN214895864U
Application number: CN202022396706.8U
Authority: CN
Inventors: 谢芳艺; 刘彩霞
Original assignee: Third Research Institute of the Ministry of Public Security
Current assignee: Third Research Institute of the Ministry of Public Security
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-11-26
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses a detection system for detecting the detection performance of human body safety inspection equipment, which comprises a movable track component, a fixed tray component, a human body model component, a control component, a test card component and test articles; meanwhile, the temperature of different parts on the human body model is controlled to change within 36-45 ℃ to simulate the temperature of different parts of a real human body, the human body model carrying a test card and/or a test article is controlled to rotate and adjust the height, the human body model rotates by different angles to face human body safety inspection equipment to be tested, the human body model is driven to repeatedly move to a proper position of a detected area at a set speed, real personnel in a detection state under a practical application scene are simulated, and laboratory automatic detection of the human body safety inspection equipment is completed. The laboratory automation that human safety inspection equipment was realized to this scheme detects to the human cost of significantly reducing improves the data accuracy effectively, thereby improves detection efficiency effectively.

Description

Detection system for detecting detection performance of human body safety inspection equipment

Technical Field

The utility model relates to an equipment detection technique, concretely relates to human safety inspection relevant detection equipment detection performance's detection technique.

Background

With the increasing severity of the current domestic and foreign anti-terrorism situation, the security technology has paid more and more attention to the human safety inspection in order to prevent people from carrying drugs, explosives, flammable and explosive liquids, solid dangerous goods, guns, knives and other contraband articles to threaten public safety. Aiming at continuously strengthening the access security precaution of public places and confidential places such as government organs, leaderships, troops, banks, airports and the like, the market has more and more large demand on human body security inspection equipment.

In the production, manufacturing and use processes of human body safety inspection equipment, in order to test the related detection function of the equipment, people are required to carry contraband to pass through the detection sample repeatedly. However, the moving speed and the moving track of the personnel cannot be quickly, quantitatively and accurately determined, and the human interference factors of the personnel to be detected are large. Moreover, in order to detect the performance such as line resolution, spatial resolution and the like of the human body safety inspection equipment, test cards corresponding to different performance indexes need to be repeatedly added to a real human body, and the operation is not easy.

More importantly, aiming at detecting the detection rate, the missing report rate, the false report rate and other performances of human body safety inspection equipment, people are required to be matched with different parts of a human body to replace and carry different test articles, the test articles are moved back and forth to repeatedly test so as to increase the test times which reach more than one hundred times, the stability of the test articles is poor, the labor cost is high, and the consumed time is high.

In the existing detection method, the above functions and performances are usually detected by manual operation and separately completed. The traditional operation method causes discontinuity, asynchronism, lower controllability and low detection efficiency of the test, thereby greatly restricting the productivity of the human body safety inspection equipment.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of detecting the detection performance of the detection equipment related to the human body safety inspection based on the manual operation mode, a new detection scheme for the detection performance of the detection equipment related to the human body safety inspection is needed.

Therefore, the utility model aims at providing a detecting system that is used for human safety inspection equipment detection performance to detect. The scheme can simultaneously support the function detection and the performance index detection related to the human body safety inspection equipment, automatically control the detection process, and greatly improve the detection efficiency, and has high controllability and strong repeatability.

In order to achieve the purpose, the utility model provides a detection system for detecting the detection performance of human body safety inspection equipment, which comprises a movable track component, a fixed tray component, a human body model component, a control component, a test card component and test articles;

the human body model component is used for simulating a tested real human body, including a body shape, clothes and body temperature; the human body model component is arranged on the fixed tray component and can be driven by the fixed tray component to move up and down or/and rotate so as to simulate real personnel in a detection state under an actual application scene; the fixed tray assembly is movably arranged on the moving track assembly;

the test card assembly and the test article are used for detecting the detection function and performance of the human body safety inspection equipment and can be additionally arranged in a test area on the human body model assembly;

the control assembly controls the movable track assembly, the fixed tray assembly and the human body model assembly to form a test environment; the control component controls the heating state of the human body model component and simulates the real body temperature of a human body; the control assembly controls the fixed tray assembly to drive the human body model assembly to move up and down, and rotates 360 degrees to face the human body safety inspection equipment to be detected at different angles; the control component controls the movable track component to drive the human body model component to repeatedly move back and forth to a proper position of the detected area at a set speed.

Further, the movable track assembly mainly comprises a guide rail unit and a movable bearing device, wherein the guide rail unit is used for constructing a moving path, and the movable bearing device is used for bearing the fixed tray assembly, is arranged on the guide rail unit, is controlled by the control assembly and moves along the guide rail unit.

Furthermore, the movable bearing device is a track pulley or a movable platform, and the track pulley comprises a motor pulley, a movable wheel assembly and an anti-derailment positioner.

Further, the guide rail unit comprises a bent rail guide rail and/or a straight rail guide rail, the bent rail guide rail comprises a single rail structure and/or a double rail structure, and the straight rail guide rail comprises a single rail structure and/or a double rail structure.

Furthermore, the guide rail with the double-rail structure can be folded singly or/and can be spliced in a locking and seamless manner; the gauge of the double-track structure guide rail can be telescopically adjusted, and the double-track structure guide rail is used for being laid in a channel of the detected human body safety inspection equipment or on a detected platform.

Further, the guide rail unit forms a linear, elliptical, fan-shaped, circular and other guide rail moving route through single folding and seamless splicing combination between the straight rail double rail and the bent rail double rail.

Furthermore, the fixed tray assembly comprises a tray part and a plurality of fixed supports with adjustable lengths, and the tray part is arranged on the movable track assembly and is controlled by the control assembly to rotate for 360 degrees; the length-adjustable fixing supports are arranged on the tray part and are used for fixedly connecting the manikin assembly, and the length-adjustable fixing supports are controlled by the control assembly to adjust the length.

Furthermore, the tray part is made of ABS resin, and is selected to have proper thickness, so that the interference of electromagnetic wave detection by a metal bracket part of the track pulley is realized, and false alarm is avoided; the selected material and thickness have certain shielding effect on terahertz magnetic and millimeter wave bands, and metal influence on detection range and detection result is avoided.

Further, the mannequin assembly comprises a mannequin prop, a phantom, a test garment and a heating device;

the human body model simulates an adult body type, and the phantom is made of a high-density polyethylene material and has the thickness of not less than 55 mm; setting a male human body model, a female human body model and a child human body model according to the conventional human body shape in equal proportion; the internal structure of the model is hollow, so that a built-in heating device is convenient to install; the trunk of the model is movable, and the surface is provided with a fixed fastener, which is convenient for wearing and disassembling clothes of different styles.

The test garment is arranged on the human body model in a penetrating mode and used for simulating the penetrating interference degree of the garment on electromagnetic waves under a real condition;

the heating device is additionally arranged on a typical part of the human body model related to a test area and is controlled by the control assembly, so that the temperature of different parts on the human body model is changed within 36-45 ℃, the heating device is used for simulating the temperature of different parts of a real human body and the change condition along with the surrounding environment, and the requirements of terahertz magnetic waves and millimeter waves on related radiation intensity are met.

Furthermore, the heating device comprises a heating plate made of wave-absorbing materials.

Furthermore, the control assembly comprises an electric control module and a temperature control module, wherein the electric control module controls the movable track assembly and the fixed tray assembly so as to control and adjust the back-and-forth movement state of the manikin assembly and control and adjust the rotation angle and the height of the manikin assembly; the temperature control module controls the human body model assembly so as to control and adjust the temperature of different parts on the human body model to change within 36-45 ℃.

Further, the test card assembly comprises one or more of a (body) line resolution test card, a (body) spatial resolution test card, an air background material detection force test card and a human body background material detection force test card.

Further, aiming at the human body safety inspection equipment based on the millimeter wave technology:

the specification and the size of the corresponding line resolution test card and the space resolution test card are both 300mm multiplied by 300mm, an acrylic plate with the thickness of 2mm is taken as a substrate, and a single metal belt or a pair of metal belts are attached to the surface;

the specification of a single metal belt adopted by the line resolution test card comprises a belt length of 50mm, a belt width of 0.5mm, a belt width of 1mm, a belt width of 2mm, a belt width of 3mm, a belt width of 4mm and a belt width of 5 mm; the layout is that sine curves are arranged into rectangles at equal intervals and are positioned in the upper right area of the test card; the test card is arranged in three other areas of the test card in three directions of transverse direction, longitudinal direction and 45-degree inclined angle respectively in a way that the rectangles are arranged at equal intervals in a straight line, and the rectangles are equidistant from the corners;

the specification of the wire pair metal belt adopted by the space resolution test card comprises a belt length of 50mm, a belt width of 10mm, 9mm, 8mm, 7mm, 6mm, 5mm, 4.5mm, 4mm, 3.5mm, 3mm, 2.5mm, 2mm, 1.5mm and 1 mm; the layout is that 4 straight lines with equal line width are arranged into a rectangle with equal intervals in each size, and the test card is arranged in three directions of horizontal direction, longitudinal direction and 45-degree or 315-degree inclined angle and is distributed with equal intervals.

Further, aiming at human body safety inspection equipment based on the terahertz magnetic technology, the specification sizes of the corresponding line resolution test card and the space resolution test card are both 300mm multiplied by 300mm, and a 3mm thick acrylic plate is taken as a substrate, and a single metal strip or a pair of metal strips is attached to the surface;

the specification of a single metal strip adopted by the line resolution test card comprises the strip length of 100mm, the strip width of 5mm, 10mm, 15mm, 20mm, 25mm and 30 mm; the specification of the wire pair metal belt adopted by the space resolution test card comprises the belt length of 100mm, the belt width of 50mm, 45mm, 35mm, 25mm and 20 mm; the layout is the same as that based on millimeter wave technology, and the number is selected according to size adjustment.

Further, aiming at the human body safety inspection equipment based on the micro-dose X-ray technology, the corresponding test cards comprise a body line resolution test card, a body space resolution test card, an air background material detection force test card and a human body background material detection force test card, wherein the specification and the layout of the test cards are set according to the standard.

Furthermore, the test article is selected and arranged on the corresponding test area of the human body model according to test requirements, can be attached to different parts of the large arm, the small arm, the chest, the back, the thigh, the shank, the trunk side, the groin, the hip, the oxter and the lower part of the human body model, and is used for detecting the detection rate or the passing rate, the missing report rate, the false report rate, the redundant false report index and other performances of the human body safety inspection equipment.

Further, the test article comprises one or more of non-metal articles, cutters and plastic bottled liquid articles with water of not less than 100 ml.

The utility model provides a detecting system scheme can support the function detection and the performance index detection that are relevant with human safety inspection equipment simultaneously, realizes automatic control testing process, and the controllability is high, and repeatability is strong to greatly improve detection efficiency, thereby improve human safety inspection equipment's productivity ratio, and simple structure, realization method is simple and convenient, the simple operation.

The utility model provides a detection method makes through the removal track and gets into the operating condition that human safety inspection equipment checked under test article and the test card cross test condition with different rotation angle's human model simulation true personnel according to having or not carrying, the laboratory automated inspection of human safety inspection equipment has been realized, thereby the human cost that significantly reduces, and experimental parameter condition controllability is high, the repeatability is strong, and greatly increase the test number of times through diversified compound mode among the detection mode, improve the data accuracy effectively, thereby improve detection efficiency effectively.

Drawings

The invention is further described with reference to the following drawings and detailed description.

FIG. 1 is a schematic diagram illustrating the detection system for detecting the detection performance of the human body security inspection device according to the embodiment of the present invention;

FIG. 2 is a diagram illustrating an exemplary mechanical structure of a single-rail moving track adopted by a detection system for detecting the detection performance of a human body security inspection system according to an embodiment of the present invention;

FIG. 3 is a diagram illustrating an exemplary mechanical structure of a detection system for detecting the detection performance of a human body security inspection system according to an embodiment of the present invention, wherein the detection system employs a dual-track moving track;

FIG. 4 is a diagram illustrating an exemplary structure of a single track moving track unit of the detection system according to an embodiment of the present invention;

fig. 5 is a diagram illustrating an exemplary structure of a dual-track moving track unit of the detection system according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a curved rail guide rail and a straight rail guide rail of the detection system according to the embodiment of the present invention;

fig. 7 is an exemplary diagram of how the dual-rail guide layout is combined by the detection system in the embodiment of the present invention;

FIG. 8 is a diagram illustrating an exemplary configuration of a mannequin holding tray assembly of the inspection system of an embodiment of the present invention;

FIG. 9 is a three-dimensional top view of a line resolution test card of a detection system according to an embodiment of the present invention;

FIG. 10 is a diagram illustrating an exemplary layout of a line resolution test card of the detection system according to an embodiment of the present invention;

fig. 11 is a three-dimensional top view of a spatial resolution test card of a detection system in an example of the present invention;

fig. 12 is a diagram illustrating a layout example of a spatial resolution test card of a detection system in an example of the present invention;

FIG. 13 is a diagram illustrating exemplary effects of a test article of a detection system in an example of the present invention;

fig. 14 is an exemplary effect diagram of the layout of the heat generating device mounting portion and the test area of the detection system according to the embodiment of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

The utility model discloses the scheme is through simulating the true personnel state of detecting the state under the practical application scene, cooperates the operating condition of human safety inspection equipment inspection from this again to accomplish human safety inspection equipment's laboratory automated inspection.

Please refer to fig. 1, which shows an example of the principle of the detection system for detecting the detection performance of the human body security inspection device according to the present invention.

With further reference to fig. 2 and fig. 3, two examples of the mechanical structure of the detection system for detecting the detection performance of the human body safety inspection device according to the present disclosure are shown, one is a mechanical structure using a single-rail moving rail, and the other is a mechanical structure using a double-rail moving rail.

As can be seen from the figure, the detection system for detecting the detection performance of the human body safety inspection equipment provided by the present invention is mainly formed by the mutual cooperation of the moving track assembly 100, the fixed tray assembly 200, the human body model assembly 300, the control assembly 400, the test card assembly 500 and the test article 600.

The moving track assembly 100 in the system is used for constructing moving routes in various forms, and is used for passing detection of human body models in a preset moving mode aiming at human body safety inspection equipment adopting different shapes of inspected areas or inspected platforms.

The human model component 300 in the system is used for simulating a tested real human body, including a body shape, clothes and body temperature; the human body model component is arranged on the fixed tray component 200 and can be driven by the fixed tray component to move up and down or/and rotate so as to simulate real personnel in a detection state under an actual application scene.

The tray assembly 200 is fixed in the system and movably mounted on the moving rail assembly 100 for mounting and locking the manikin assembly 300. This fixed tray assembly 200 can drive the locked mannequin assembly 300 to rotate 360 degrees and increase the height of the mannequin assembly 300.

The test card assembly 500 and the test article 600 in the system are used for detecting the detection function and performance of the human body safety inspection equipment, and can be additionally arranged in the corresponding test area on the human body model assembly 300.

The control unit 400 of the present system controls and cooperates with the moving rail unit 100, the stationary tray unit 200, and the dummy unit 300 to constitute a test environment.

The control assembly 400 controls the heating state of the manikin assembly 300 to simulate the real body temperature; the control assembly 400 controls the fixed tray assembly 200 to drive the mannequin assembly 300 to move up and down and rotate 360 degrees to face the human safety inspection equipment to be detected at different angles; the control assembly 400 also controls the moving track assembly 100 to drive the mannequin assembly 300 to repeatedly move back and forth to the proper position of the detected area at a set speed.

In some examples of the present solution, referring to fig. 4 and 5, the moving rail assembly 100 mainly includes two parts of a guide rail unit 110 and a moving carrier 120.

The guide rail unit 110 is used for constructing and constructing various different types of movement routes for passing detection of human body models in a predetermined movement pattern for human body safety inspection equipment adopting different shapes of inspected areas or inspected platforms.

The movable carrying device 120 is movably arranged on the guide rail unit 110 and is used for carrying the fixed tray assembly 200 and the mannequin assembly 300 locked thereon; the movable carrier 120 is controlled by the control assembly 400, and can move along the guide rail unit according to the parameter requirements such as the set speed, the set times or the set distance under the control of the control assembly 400.

In some embodiments, the control connection between the mobile carrier 120 and the control component 400 may be implemented in a wired or wireless manner.

In some embodiments, the mobile carrier 120 may be formed by a corresponding mobile station and a cradle disposed thereon. The moving stage may be driven by a corresponding driving means to move along the rail unit. The specific configuration of the mobile station may be determined according to practical requirements, and is not limited herein.

Alternatively, the mobile carriage 120 can be formed by a corresponding rail carriage and a support arranged thereon. The track trolley is automatically powered and can move directly along the track unit.

By way of example, the track trolley can be formed by matching a motor pulley, a movable wheel combination and an anti-derailing positioner, and is used for freely moving along guide rails in various combinations in complex application scenes.

On the basis, a rechargeable battery can be further arranged in the track trolley, so that the track trolley is remotely and wirelessly controlled to move automatically. The implementation scheme can be determined according to actual requirements, and is not limited herein.

In some embodiments, the guide rail unit 110 of the present moving rail assembly 100 is preferably formed of a plurality of moving guide rails, wherein the moving guide rails include a curved guide rail 112 and a straight guide rail 111, and the curved guide rail 112 and the straight guide rail 111 can be divided into a single rail and a double rail (as shown in fig. 6).

The double rails can be folded singly and can be locked for seamless splicing. For example, the same-sized loop bar can be adopted, different interfaces at the front and rear ends of the stainless steel bar of the curved rail guide rail 112 and the straight rail guide rail 111 are selected for butt joint, the interface is made of a hard stainless steel material of the central soft material loop shell, and the left and right supporting points at the butt joint are designed by a high-strength composite soft material, so that the contact shock absorption and the stability of the hard stainless steel material and the hard material (ground) are facilitated. Meanwhile, the middle fasteners of the middle rods of the two guide rails are adopted for fixing after butt joint.

For example, the gauge specification of the corresponding double-track is default 600mm, and can be telescopically adjusted by a conventional stretchable stainless steel sleeve rod within the range of 500 mm-900 mm, and the gauge specification is used for paving a channel of the human body safety inspection equipment to be detected or on a platform to be detected.

On the basis, the specifications of the double-track of the curved rail are that the central angle of the curve is 25 ℃, the radius of the outer arc is 3000mm, and the pipe diameter is 36 mm. And the specification of the straight-rail double-track is 1500m in length and 36mm in pipe diameter.

Taking the double-rail guide rail as an example, when the guide rail unit 110 is formed by the above method, the double-rail guide rail moving route of any form can be freely combined by combining single folding and seamless splicing of the straight rail double rail and the curved rail double rail.

By way of example, referring to fig. 7, seamless connection and diversified combination are performed through the double-track guide rails, and at least combination of "4 straight 7 curved", "8 straight 14 curved", "14 curved" and the like can be realized to form a linear, fan-shaped, elliptical, circular and the like guide rail moving route, so that the human body model can be detected in a predetermined moving mode for human body safety inspection equipment adopting different modeling inspected areas or inspected platforms.

In some examples of the present solution, as shown in fig. 8, the fixed tray assembly 200 in the system can be formed by a tray portion 210 and a plurality of fixed brackets 220 with adjustable length.

Here, the tray part 210 is disposed on the moving rail assembly 100, and the tray part 210 may be disposed on a bracket in the moving rail assembly 100, as exemplified by the above-described configuration of the moving rail assembly 100. Meanwhile, the tray portion 210 is controlled by the control assembly 400 and can rotate 360 degrees to actually drive the human body model assembly 300 to rotate at any angle.

In cooperation therewith, a plurality of length-adjustable fixing brackets 220 are disposed on the tray part 210 for fixedly locking the mannequin component 300. Meanwhile, the length-adjustable fixing supports are controlled by the control assembly 400, and can be adjusted in length so as to adjust the relative height of the manikin assembly 300.

In some embodiments, the tray portion 210 may be formed by a cylinder with a diameter of 600mm × a thickness of 50mm, and the cylinder is made of ABS resin, and has a proper thickness, so as to prevent false alarm due to interference of the metal bracket component of the track trolley with electromagnetic wave detection; the selected material and thickness have certain shielding effect on terahertz magnetic and millimeter wave bands, and metal influence on detection range and detection result is avoided.

Furthermore, the fixed tray is connected with the track pulley/mobile station through a circular rotating shaft, the rotating shaft is controlled by software to rotate for 360 degrees, and the rotating angle is controlled by the software or the rotating shaft moves and rotates according to a motion mode preset by the software, so that the motion track of the conventional human body moving according to a detection area or a detection channel of terahertz magnetic/millimeter wave equipment can be simulated.

On the basis of this, 3 fixing brackets 220 with adjustable length are arranged on the tray part 210 formed by a cylinder. The 3 length-adjustable fixing supports are locked in a three-point positioning mode and are respectively used for fixing two shanks and backs of the manikins with different sizes without shaking caused by movement.

The specific structure of the 3 length-adjustable fixing brackets can be determined according to actual requirements, and is not described herein. The length adjustment range can be set within 1-1000 mm.

In some examples of the present solution (in conjunction with fig. 1-3), the mannequin component 300 of the system is mainly formed by the mannequin prop 310 (i.e., mannequin), the phantom 320, the test garment 330, and the heating device 340 cooperating with each other.

The mannequin prop 310 specifically comprises a male model and a female model, the specifications comprise a half-body model, a middle-long model and a whole-body model, and key parts of limbs can be movably modeled to simulate adults between 20 and 60 years of age and 18.5 to 24.0 of BMI.

The surface of the mannequin prop 310 is made of high density polyethylene (also called HDPE) to form a phantom, and the thickness is not less than 55 mm; setting a male human body model, a female human body model and a child human body model according to the conventional human body shape in equal proportion; the internal structure of the model is hollow, so that a built-in heating device is convenient to install; the trunk of the model is movable, and the surface is provided with a fixing fastener, which is convenient for putting on and taking off clothes of different styles.

Referring to fig. 14, the mannequin prop 310 (i.e., the mannequin) thus constructed has respective test areas provided on the front chest (1), upper back (2), large arm (3), small arm (4), trunk (5), crotch (6), thigh (7), and small leg (8) of the mannequin, respectively.

Further, the test garment 330 includes test samples which are easily worn and are selected from 2-3 typical fabrics or fillers in different styles in spring, summer, autumn and winter, and the test samples are worn on the human body model to simulate the penetration interference degree of the garment on electromagnetic waves under real conditions. Wherein the fabric at least comprises cotton cloth, linen, silk, woolen cloth and leather; the filler at least comprises cotton, down feather and artificial fiber.

Further, the heating device 340 is installed on a typical part of the human body model related to the test area and controlled by the control component 400, so that the temperature of different parts on the human body model changes within 36-45 ℃, and the heating device is used for simulating the temperature of different parts of a real human body and the change conditions along with the surrounding environment and meeting the requirements of the terahertz magnetic wave and the millimeter wave on the related radiation intensity. In order to ensure safety, an alarm prompt is generated when the controlled temperature exceeds a threshold value.

By way of example, the heating device is preferably composed of a black body heating plate made of wave-absorbing material and a heating device; the heating device is installed in the hollow interior of the human body model as a control assembly, is connected with each black body heating plate to be uniformly heated to a set temperature, and displays the temperature of each area sensor on control software in real time.

The heat generating devices 340 thus configured are respectively attached to test areas under the test garment of the manikin, where the test areas are distributed on the front chest (1), upper back (2), upper arm (3), lower arm (4), trunk (5), crotch (6), thigh (7), and lower leg (8) of the manikin (see fig. 14). The heating devices 340 distributed in the way can effectively realize the control of the temperature change of different parts on the human body model within 36-45 ℃ under the control of the control component.

In some examples of the present solution (in conjunction with fig. 9-12), the test card assembly 500 of the system mainly includes a (body) line resolution test card, a (body) spatial resolution test card, an air background material detection force test card, and a human background material detection force test card, so as to be used for the (body) resolution, the (body) spatial resolution, the air background material detection force, the human background material detection force, and other properties of the human safety inspection apparatus. The test cards are selected according to different technical principles adopted by human body safety inspection equipment, and the number of the formed test cards is set according to different specifications. The different test card components are generally called correspondingly to performance indexes of human body safety inspection equipment of different technologies, for example, indexes corresponding to the human body safety inspection equipment based on the micro-dose X-ray technology comprise body line resolution, body space resolution, air background material detection force, human body background material detection force and human body background material detection force, and the corresponding test card can be directly designed and used by adopting a test body which accords with annex B in the GB 15208.4-2018 standard; indexes corresponding to human body safety inspection equipment based on the terahertz magnetic technology comprise resolution, spatial resolution, detectable rate, false alarm rate and passing rate, and a corresponding test card can be designed by adopting the patent; indexes corresponding to human body safety inspection equipment based on the millimeter wave holographic imaging technology comprise resolution, spatial resolution, detection rate, missing report rate, false report rate, redundant false report index and the like, and a corresponding test card can adopt the patent design.

In some embodiments, the test card assembly 500 includes a line resolution test card 510 and a spatial resolution test card 520 for a human security inspection device based on millimeter wave technology.

The wire resolution test card 510 in the test card assembly 500 has a specification size of 300mm × 300mm, an acrylic board with a thickness of 2mm as a substrate 511, and a single or pair of metal tapes 512 is attached to the surface.

The spatial resolution test card 520 in the test card assembly 500 has a specification and size of 300mm × 300mm, an acrylic plate with a thickness of 2mm is used as a substrate 521, and a single or pair of metal strips 522 is attached to the surface.

By way of example, in specific implementation, the specification of the single metal strip adopted by the line resolution test card comprises a strip length of 50mm, a strip width of 0.5mm, a strip width of 1mm, a strip width of 2mm, a strip width of 3mm, a strip width of 4mm and a strip width of 5 mm; the layout is that sine curves are arranged into rectangles at equal intervals and are positioned in the upper right area of the test card; the test card is arranged in three other areas of the test card in three directions of transverse direction, longitudinal direction and 45-degree inclined angle respectively in a manner that the test card is arranged in a rectangular shape at equal intervals in a straight line, and the rectangular shape is equidistant from the corner. Therefore, the line resolution condition of the millimeter wave equipment can be evaluated from different directions by using the square region distribution through the group of test cards.

The specification of the wire pair metal belt adopted by the space resolution test card comprises a belt length of 50mm, a belt width of 10mm, 9mm, 8mm, 7mm, 6mm, 5mm, 4.5mm, 4mm, 3.5mm, 3mm, 2.5mm, 2mm, 1.5mm and 1 mm; the layout is that 4 straight lines with equal line width are arranged into a rectangle with equal intervals in each size, and the test card is arranged in three directions of horizontal direction, longitudinal direction and 45-degree or 315-degree inclined angle and is distributed with equal intervals. Forming a total of 3 space test cards. Therefore, the spatial resolution condition of the millimeter wave equipment can be evaluated from different directions by using the square region distribution through the group of test cards.

In some embodiments, the test card assembly 500 includes a line resolution test card 510 and a spatial resolution test card 520 for a terahertz magnetic technology-based human security inspection apparatus.

The wire resolution test card 510 in the test card assembly 500 uses an acrylic board with a specification size of 300mm × 300mm and a thickness of 3mm as a substrate 511, and a single or pair of metal tapes 512 is attached to the surface.

The spatial resolution test card 520 in the test card assembly 500 uses an acrylic board with the specification size of 300mm × 300mm and the thickness of 3mm as a substrate 521, and a single or pair of metal strips 522 is attached to the surface.

By way of example, in specific implementation, the specification of the single metal strip adopted by the line resolution test card comprises the strip length of 100mm, the strip width of 5mm, 10mm, 15mm, 20mm, 25mm and 30 mm; meanwhile, a layout scheme aiming at the human body safety inspection equipment based on the millimeter wave technology is adopted, and the specific number is adjusted and selected according to the size. Thus, using a set of test cards with a square intra-area distribution, it is possible to evaluate the line resolution of a terahertz magnetic device from directions of different angles.

The specification of the wire pair metal belt adopted by the space resolution test card comprises the belt length of 100mm, the belt width of 50mm, 45mm, 35mm, 25mm and 20 mm; meanwhile, a layout scheme aiming at the human body safety inspection equipment based on the millimeter wave technology is adopted, and the specific number is adjusted and selected according to the size. Thus, with a set of test cards, using a square intra-area distribution, it is possible to evaluate the spatial resolution situation of a terahertz magnetic device from directions of different angles.

In some embodiments, for a human safety inspection device based on a microdose X-ray technology, the test card assembly 500 includes an air background material detection force test card, a human background material detection force test card, a body line resolution test card, and a body space resolution test card for detecting air background material detection force, human background material detection force, body line resolution, and body space resolution performance of the microdose X-ray human safety inspection device.

The specifications and the layouts of the air background material detection force test card, the human body background material detection force test card, the body line resolution test card and the body space resolution test card can refer to the 4 th part of micro-dosage X-ray safety inspection equipment of GB 15208.4-2018: appendix B in the national Standard of human safety inspection Equipment is selected.

When the test card formed in the way is applied specifically, the test card is selected and replaced according to the performance index requirements of the tested items according to different technical principles adopted by human body safety inspection equipment, and can be fixed on the chest or the back of a human body model.

In some examples of the present solution, the test article 600 in the system is made of 6 typical metal or non-metal articles according to the material and size of the conventional contraband, and can be attached to the designated test area of the human body model.

As shown in FIG. 13, the test articles herein specifically include rectangular parallelepiped non-metallic articles (plasticine) having a size of 150mm × 100mm × 5mm, butterfly non-metallic articles (salt) having a size of Φ 120mm × 10mm, L-shaped deformed metallic articles (aluminum) having a size of 110mm × 70mm × 16mm, ceramic knives having a blade length of 70mm, metal folding knives having a blade length of 70mm, and plastic bottled liquid articles having not less than 100ml of water.

When the test article is specifically applied, the test article can be attached to different parts of a big arm, a small arm, a chest, a back, thighs, shanks, a trunk side, groins, buttocks, armpits and the lower part of a human body model to serve as a specified test area of equipment to be tested and be used for detecting the performances of the human body safety inspection equipment, such as the detection rate, the missing report rate, the false report rate, the redundant false report index and the like.

In some examples of the present solution, the test assembly 400 in the system mainly includes two parts, namely, an electric control module 410 and a temperature control module 420.

The electric control module 410 controls the moving track assembly 100 and the fixed tray assembly 200 to control the moving track assembly 100 to drive the manikin assembly to move back and forth, so as to adjust the back and forth movement state of the manikin assembly; the electronic control module 410 controls the fixing tray assembly 200 to drive the human model assembly to rotate and adjust the height of the human model assembly, and then controls and adjusts the rotating angle and the height of the human model assembly.

The temperature control module 420 here controls the heating devices in the mannequin component 300 to control and regulate the temperature of different parts on the mannequin to vary within 36-45 ℃.

The specific structure of the test assembly 400 with such functions may be determined according to actual requirements, and is not limited herein. For example, the PLC may be a corresponding PLC, a PC, a notebook, or a PAD running with temperature control software and/or electronic control software; corresponding analog control circuits and the like are also possible.

For example, when the test assembly 400 runs, the electronic control module 410 controls the moving speed, the moving direction mode, the moving track, the moving times, and the like of the moving carriage 120 in the moving track assembly 100 to drive the human body model assembly to run; and the moving speed is within the range that the conventional passing speed of the human body safety inspection equipment for adults is not more than 20 km/h. And the fixed tray component 200 is controlled by the electric control module 410 to drive the human model component to rotate by 0-360 degrees and set to have a height of 1-1000 mm.

When the test assembly 400 is in operation, the temperature control module 420 controls the heating device on the human body model to control the temperature change of different parts on the human body model within 36-45 ℃, so as to simulate the temperature of different parts of a real human body and the change conditions along with the surrounding environment and meet the requirements of the relative radiation intensity of terahertz magnetic waves and millimeter waves. And an alarm prompt is generated when the controlled temperature exceeds a threshold value.

When the detection system for detecting the detection performance of the human body safety inspection equipment, which is formed by the method, runs, the temperature of different parts on the human body model is controlled to change within 36-45 ℃ to simulate the temperature of different parts of a real human body, and simultaneously the human body model carrying the test card and/or the test article is controlled to rotate and adjust the height, so that the human body model rotates by different angles to face the human body safety inspection equipment to be tested, the human body model is driven to repeatedly move to and fro to the proper position of a detected area at a set speed to simulate real personnel in a detection state under an actual application scene, the human body model can be conveniently controlled to rotate by 360 degrees to face the human body safety inspection equipment, and the human body model can repeatedly move to and fro to the proper position of the detected area at a speed of 20km/h to perform automatic scanning imaging, contraband detection, (body) line resolution, (body) spatial resolution, And detecting the functions and performance indexes of the human body background detection force and the space background detection force, such as detection rate, missing report rate, false report rate, redundant false report index, passing rate and the like, thereby completing the laboratory automatic detection of the human body safety inspection equipment.

According to the above example scheme, the utility model provides a scheme makes through the removal track and gets into the operating condition that human safety inspection equipment checked under the human model simulation true personnel with different rotation angle according to having or not carrying test article and the test card cross test condition, the laboratory automated inspection of human safety inspection equipment has been realized, thereby the human cost significantly reduces, and experimental parameter condition controllability is high, repeatability is strong, and greatly increase the test number of times through diversified compound mode in the detection mode, improve the data accuracy effectively, thereby improve detection efficiency effectively.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The detection system for detecting the detection performance of the human body safety inspection equipment is characterized by comprising a movable track component, a fixed tray component, a human body model component, a control component, a test card component and a test article;

2. The inspection system of claim 1, wherein the moving track assembly mainly comprises a guide rail unit constituting a moving path and a moving carriage for carrying the fixed tray assembly, disposed on the guide rail unit, and moved along the guide rail unit under the control of the control assembly.

3. The detection system according to claim 2, wherein the rail unit comprises a curved rail comprising a single rail structure or/and a double rail structure or/and a straight rail comprising a single rail structure or/and a double rail structure.

4. The detection system according to claim 1, wherein the fixed tray assembly comprises a tray part and a plurality of fixed brackets with adjustable length, the tray part is arranged on the moving track assembly and is controlled by the control assembly to rotate for 360 degrees; the length-adjustable fixing supports are arranged on the tray part and are used for fixedly connecting the manikin assembly, and the length-adjustable fixing supports are controlled by the control assembly to adjust the length.

5. The detecting system according to claim 4, wherein the tray portion is made of ABS resin, and is formed to have a certain shielding effect on terahertz magnetic and millimeter wave bands by matching with a corresponding thickness.

6. The detection system of claim 1, wherein the mannequin component includes a mannequin, a phantom, a test garment, and a heat generating device;

the human body model simulates an adult body type, the phantom forms the surface of the human body model and is made of high-density polyethylene material, and the thickness of the phantom is not less than 55 mm; setting a male human body model, a female human body model and a child human body model according to the human body shapes in equal proportion; the internal structure of the model is hollow, so that a built-in heating device is convenient to install; the trunk of the model can move, and the surface is provided with a fixed fastener, which is convenient for wearing and disassembling clothes of different styles;

the heating device is additionally arranged on the part of the human body model related to the test area and is controlled by the control assembly, so that the temperature of different parts on the human body model is changed within 36-45 ℃, the heating device is used for simulating the temperature of different parts of a real human body and the change condition along with the surrounding environment, and the requirements of terahertz magnetic waves and millimeter waves on related radiation intensity are met.

7. A test system according to claim 6, in which the heat generating means comprises a heated plate of a wave-absorbing material.

8. The detection system according to claim 1, wherein the control assembly comprises an electric control module and a temperature control module, the electric control module controls the moving track assembly and the fixed tray assembly to control and adjust the back-and-forth movement state of the manikin assembly and control and adjust the rotation angle and height of the manikin assembly; the temperature control module controls the human body model assembly so as to control and adjust the temperature of different parts on the human body model in the human body model assembly to change within 36-45 ℃.

9. The test system of claim 1, further characterized in that the test card assembly comprises one or more of a line resolution test card, a spatial resolution test card, an air background material detection test card, and a human background material detection test card.

10. The detection system according to claim 9, wherein for a human safety inspection device based on millimeter wave technology:

the specification and size of the corresponding line resolution test card and space resolution test card are both 300mm

An acrylic plate with the thickness of 2mm and the x of 300mm is used as a substrate, and a single metal strip or a metal strip pair is attached to the surface of the acrylic plate;

the specification of the metal belt of the line pair adopted by the space resolution test card comprises the belt length of 50mm, the belt width of 10mm, 9mm, 8mm, 7mm, 6mm, 5mm, 4.5mm, 4mm, 3.5mm, 3mm, 2.5mm, 2mm, 1.5mm and 1 mm; the layout is that 4 straight lines with equal line width are arranged into a rectangle with equal intervals in each size, and the test card is arranged in three directions of horizontal direction, longitudinal direction and 45-degree or 315-degree inclined angle and is distributed with equal intervals.

11. The detection system according to claim 9, wherein for the human body security inspection device based on terahertz magnetic technology, the corresponding linear resolution test card and the corresponding spatial resolution test card are both 300mm × 300mm in specification and 3mm thick acrylic plate is used as a substrate, and a single or pair of metal strips is attached to the surface;

the specification of a single metal strip adopted by the line resolution test card comprises the strip length of 100mm, the strip width of 5mm, 10mm, 15mm, 20mm, 25mm and 30 mm; the layout is that sine curves are arranged into rectangles at equal intervals and are positioned in the upper right area of the test card; the test card is arranged in three other areas of the test card in three directions of transverse direction, longitudinal direction and 45-degree inclined angle respectively in a way that the rectangles are arranged at equal intervals in a straight line, and the rectangles are equidistant from the corners;

the specification of the metal belt of the line pair adopted by the space resolution test card comprises the belt length of 100mm, the belt width of 50mm, 45mm, 35mm, 25mm and 20 mm; the layout is that 4 straight lines with equal line width are arranged into a rectangle with equal intervals in each size, and the test card is arranged in three directions of horizontal direction, longitudinal direction and 45-degree or 315-degree inclined angle and is distributed with equal intervals.

12. The detection system according to claim 9, wherein for the human body security inspection equipment based on the micro-dose X-ray technology, the corresponding test cards include a body line resolution test card, a body space resolution test card, an air background material detection force test card and a human body background material detection force test card, wherein the specification and layout of the test cards are set according to the requirements of the GB 15208.4-2018 standard.

13. The detection system according to claim 1, wherein the test article is arranged on the manikin assembly corresponding to the test area according to the test requirement, and can be attached to different parts of the manikin, such as the upper arm, the lower arm, the chest, the back, the thigh, the shank, the trunk side, the groin, the hip, the underarm and the body, so as to detect the detection rate or the passing rate, the missing report rate, the false report rate and the redundant false report index performance of the human body safety inspection equipment.