Security system

Abstract

This invention provides a security inspection system. The system includes a first imaging detection group, comprising multiple radio frequency (RF) units capable of scanning and imaging individuals. These RF units are spaced apart along a first direction and are all curved towards that direction. At least two first security inspection channels are formed between adjacent RF units in the first imaging detection group. The entrances and exits of these channels are opposite each other in a second direction, which is perpendicular to the first direction. Therefore, this security inspection system combines high detection accuracy and high throughput efficiency while also improving the comfort of individuals being inspected.

Description

Technical Field

[0001] This utility model relates to the field of security inspection technology, and specifically to a security inspection system. Background Technology

[0002] In related technologies, to reduce the difficulty of deploying security inspection systems, these systems often adopt a linear channel design. The detection units are typically arranged in a plane or linear array. When a person passes directly through the security checkpoint, only limited angles can be scanned from the left and right sides, making it difficult to cover areas such as the front and back, creating blind spots and limiting the detection field of view. To achieve multi-angle detection, people often need to stop, turn around, or pass through multiple detection stages, which can easily cause congestion, especially in high-density crowds, severely impacting traffic efficiency. Utility Model Content

[0003] In view of this, the present invention aims to provide a security inspection system to solve the problem that the existing security inspection systems are poorly deployed and have difficulty in balancing passage efficiency and detection accuracy.

[0004] This utility model provides a security inspection system.

[0005] The security inspection system of this utility model embodiment includes a first imaging detection group.

[0006] The first imaging detection group includes multiple radio frequency (RF) units capable of scanning and imaging a person being inspected. These RF units are spaced apart along a first direction and are all curved in that direction. At least two first security checkpoints are formed between adjacent RF units. The entrances and exits of these first security checkpoints are positioned opposite each other in a second direction, which is perpendicular to the first direction. It is understood that the first security checkpoints extend in a curved manner.

[0007] The security inspection system of this utility model arranges multiple radio frequency (RF) units of a first imaging detection group with imaging capabilities in a curved shape along a first direction, thereby naturally forming a first security inspection channel for personnel to pass through between adjacent RF units. This has the advantage of simple structure. Compared with a straight security inspection channel, the curved RF units can cover multiple angles along the path of the personnel being inspected. During the entire process of the personnel passing through the first security inspection channel, their front, side, and part of their back areas can be covered by the imaging surface of the RF units, avoiding the problem of detection blind spots that are easily caused by the linear arrangement of RF units, and effectively improving detection accuracy. Moreover, it allows personnel to complete a full-range security inspection without having to turn or move when passing through the security inspection channel, which effectively improves the smoothness of passage and further enhances the convenience and comfort of the personnel being inspected.

[0008] Therefore, the security inspection unit of this utility model embodiment has the advantages of high detection accuracy and high passage efficiency, and also improves the comfort of the inspected personnel.

[0009] In some embodiments, the radio frequency unit of the first imaging detection group is arranged in an arc-shaped structure.

[0010] In other embodiments, the radio frequency unit of the first imaging detection group is arranged in a V-shaped zigzag pattern.

[0011] In other embodiments, the radio frequency unit of the first imaging detection group is arranged in an S-shaped bend.

[0012] In other embodiments, the radio frequency unit of the first imaging detection group is also arranged in a Z-shaped bend.

[0013] In some embodiments, the eccentricity of the radio frequency unit of the first imaging detection group is 0.6-1.

[0014] In some embodiments, the first imaging detection group includes a first radio frequency unit, at least one second radio frequency unit, and a third radio frequency unit arranged sequentially along the first direction, wherein the first radio frequency unit has a first imaging surface, the second radio frequency unit has a second imaging surface and a third imaging surface arranged opposite to each other on both sides along its thickness direction, the third radio frequency unit has a fourth imaging surface, and the first imaging surface, the second imaging surface, the third imaging surface, and the fourth imaging surface respectively define the first security check channel.

[0015] In some embodiments, the security inspection system further includes a roundabout, wherein the radio frequency unit of the first imaging detection group extends in a curved shape toward the first direction, and the roundabout is disposed on the curved concave side of the radio frequency unit of the first imaging detection group.

[0016] In some embodiments, the security inspection system further includes a second imaging detection group, which includes a plurality of radio frequency units spaced apart along the first direction, and at least one second security inspection channel is formed between two adjacent radio frequency units in the second imaging detection group.

[0017] In some embodiments, the first imaging detection group and the second imaging detection group are disposed opposite to each other on both sides of the atoll stage in the first direction.

[0018] In some embodiments, the multiple radio frequency units in the second imaging detection group are all bent toward a first direction.

[0019] In some embodiments, the first imaging detection group and the second imaging detection group are symmetrically arranged on both sides of the island platform in the first direction.

[0020] In some embodiments, a plurality of the first imaging detection groups are installed on both sides of the original road to form the first security checkpoint.

[0021] In other embodiments, multiple first imaging detection groups are detachably deployed on the road surface to define the first security checkpoint on the road surface.

[0022] In some embodiments, the first imaging detection group is a terahertz radio frequency imaging system or a millimeter-wave radio frequency imaging system.

[0023] In some embodiments, the security inspection system further includes an alarm device that responds to signals from a plurality of radio frequency units in each of the first imaging detection groups. Attached Figure Description

[0024] Figure 1 This is a structural schematic diagram of the security inspection system according to the first embodiment of this utility model, with the arrow indicating the walking path of the person being inspected.

[0025] Figure 2 This is a structural schematic diagram of the security inspection system according to the second embodiment of this utility model, with the arrow indicating the walking path of the inspected person.

[0026] Figure 3 This is a structural schematic diagram of the security inspection system according to the third embodiment of this utility model, with the arrow indicating the walking path of the person being inspected.

[0027] Figure 4 This is a structural schematic diagram of the security inspection system according to the fourth embodiment of this utility model. The arrows indicate the walking path of the inspected personnel.

[0028] Figure 5 This is a structural schematic diagram of the security inspection system according to the fifth embodiment of this utility model. The arrow indicates the walking path of the person being inspected.

[0029] Explanation of reference numerals in the attached figures: First imaging detection group 1; First radio frequency unit 11; Second radio frequency unit 12; Third radio frequency unit 13; First security check channel 14; Second imaging detection group 2; Second security checkpoint 21; Roundabout Channel 3. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0031] The following is for reference. Figures 1-5 The following is a description of an example of the security inspection system of this utility model.

[0032] The security inspection system of this utility model embodiment includes a first imaging detection group 1.

[0033] The first imaging detection group 1 includes multiple radio frequency units capable of scanning and imaging a subject. The multiple radio frequency units of the first imaging detection group 1 are spaced apart along a first direction, and all multiple radio frequency units of the first imaging detection group 1 face the first direction (e.g., Figure 1 The arrangement is curved in the left-right direction (as shown), and at least two first security check channels 14 are formed between two adjacent radio frequency units in the first imaging detection group 1. The entrance and exit of the first security check channel 14 are in the second direction (e.g., Figure 1 The vertical direction shown is relatively arranged, and the first direction and the second direction are arranged perpendicularly. It can be understood that the first security check channel 14 is a curved extension.

[0034] The security inspection system of this utility model arranges multiple radio frequency (RF) units of a first imaging detection group 1 with imaging capabilities in a curved shape along a first direction, thereby naturally forming a first security inspection channel 14 for personnel to pass through between adjacent RF units. This has the advantage of simple structure. Compared with a straight security inspection channel, the curved RF units can cover multiple angles along the path of the personnel being inspected. During the entire process of the personnel passing through the first security inspection channel 14, their front, side, and part of their back areas can be covered by the imaging surface of the RF units, significantly improving the continuity and integrity of the imaging viewpoint and avoiding the problem of detection blind spots that are easily caused by the linear arrangement of RF units, thus effectively improving detection accuracy. Moreover, it allows personnel to complete a full-range security inspection without having to turn or move when passing through the security inspection channel, which effectively improves the smoothness of passage and further enhances the convenience and comfort of the personnel being inspected.

[0035] Therefore, the security inspection system of this utility model has the advantages of high detection accuracy and high passage efficiency, and also improves the comfort of the inspected personnel.

[0036] Specifically, the first imaging detection group 1 is equipped with multiple curved and extended radio frequency units. The imaging surfaces of two adjacent radio frequency units will cross and gradually overlap in space. When the person being inspected passes by with a natural gait, their body surface features will be collected in stages by radio frequency units at different positions. By dynamically fusing multiple frames of imaging data, the system can construct a more accurate three-dimensional human body contour model in real time. This not only helps to optimize the coverage of the scanning angle, but also significantly improves the accuracy of dangerous goods identification.

[0037] In some embodiments, such as Figures 1 to 2 As shown, the radio frequency unit of the first imaging detection group 1 is arranged in an arc-shaped structure.

[0038] The security inspection system of this utility model, by designing the radio frequency unit as an arc-shaped structure, helps to reduce production difficulty compared to a complex structure. The radio frequency unit with an arc-shaped structure can flexibly adapt to security inspection scenarios of different widths, enabling the construction of multi-channel parallel detection systems in large venues such as airports and train stations, as well as achieving compact deployment in space-constrained areas such as subway entrances and convention centers.

[0039] The security inspection system of this utility model embodiment is not limited to this. In other embodiments, the radio frequency unit of the first imaging detection group 1 is arranged in a V-shaped zigzag pattern. The V-shaped zigzag design, through the combination of two inclined surfaces, allows a single radio frequency unit to simultaneously cover the front, side, and rear areas of the inspected person, further expanding the coverage range of the detection angle and helping to further improve the accuracy of security inspection.

[0040] In other embodiments, the radio frequency unit of the first imaging detection group 1 is arranged in an S-shape or Z-shape.

[0041] The security inspection system of this embodiment employs an S-shaped or Z-shaped structure in the radio frequency unit of the first imaging detection group 1. Because the S-shaped or Z-shaped structure forms multiple scanning surfaces through continuous bending, it can capture dynamic posture changes of the person being inspected during movement, further expanding the coverage range of the detection angle and effectively reducing blind spots caused by partial obstruction of the human body. This, in turn, helps to further improve the accuracy of security inspections.

[0042] The "S"-shaped structure can be formed by connecting multiple short, straight segments sequentially, with slight turns between each segment, ensuring structural continuity while facilitating modular production and transportation. Furthermore, the S-shaped structure can be combined with other forms, such as using an arc-shaped arrangement in the main channel and introducing S-shaped extensions in localized expansion areas.

[0043] The aforementioned radio frequency units with different geometric shapes can be selected independently or configured in combination according to site conditions, traffic patterns, and detection requirements. For example, an arc-shaped structure can be used in straight sections to ensure imaging consistency, a V-shaped structure can be switched in corner areas to enhance multi-angle coverage, and an S-shaped structure can be used in high-security areas to extend detection time.

[0044] The eccentricity of the radio frequency unit in the first imaging detection group 1 is 0.6-1.

[0045] The security inspection system of this utility model, by setting the eccentricity of the radio frequency unit of the first imaging detection group 1 within the range of 0.6 to 1, can ensure that the radio frequency unit maintains an appropriate curvature during bending. This prevents insufficient imaging coverage due to excessive curvature, and avoids increased structural stress or impact on imaging quality due to excessive curvature. Thus, the radio frequency unit meets imaging performance requirements while also ensuring structural stability and manufacturing feasibility.

[0046] like Figures 1 to 5 As shown, the first imaging detection group 1 includes a first radio frequency unit 11, at least one second radio frequency unit 12 and a third radio frequency unit 13 arranged sequentially along a first direction. The first radio frequency unit 11 has a first imaging surface, the second radio frequency unit 12 has a second imaging surface and a third imaging surface arranged opposite to each other on both sides along its thickness direction, and the third radio frequency unit 13 has a fourth imaging surface. The first imaging surface, the second imaging surface, the third imaging surface and the fourth imaging surface respectively define the first security inspection channel 14.

[0047] The security inspection system of this utility model integrates a second imaging surface and a third imaging surface in the second radio frequency unit 12, so that a single second radio frequency unit 12 can cover the front and rear sides of the inspected person. Compared with the structure of configuring independent front and rear radio frequency units, it not only simplifies the hardware structure, but also significantly reduces the complexity of the equipment and maintenance costs.

[0048] Optionally, such as Figure 2 As shown, multiple second radio frequency units 12 can be provided, and the multiple second radio frequency units 12 are arranged at intervals along the first direction, with a first security inspection channel 14 formed between an imaging surface of two adjacent second radio frequency units 12. Further, the second radio frequency units 12 can be arranged in an array structure.

[0049] like Figure 5 As shown, the security inspection system of this utility model embodiment also includes a roundabout, and the radio frequency unit of the first imaging detection group 1 extends in a curved shape toward the first direction. The roundabout is disposed on the curved concave side of the radio frequency unit of the first imaging detection group 1.

[0050] The security inspection system of this utility model achieves natural diversion and guidance functions of the security inspection channel by setting a ring-shaped platform structure on the curved concave side of the radio frequency unit of the first imaging detection group 1. The combination design of the ring-shaped platform and the curved radio frequency unit indicates the initial installation position of the first imaging detection group 1.

[0051] like Figure 5 As shown, the security inspection system of this utility model embodiment also includes a second imaging detection group 2. The second imaging detection group 2 includes a plurality of radio frequency units spaced apart along a first direction. At least one second security inspection channel 21 is formed between two adjacent radio frequency units in the second imaging detection group 2.

[0052] The security inspection system of this embodiment significantly improves the system's throughput capacity in high-traffic scenarios by arranging multiple radio frequency units in the second imaging detection group 2 at intervals along a first direction to form at least one independent second security inspection channel 21. Furthermore, if one radio frequency unit malfunctions, the units on the other side can continue to operate, ensuring the continuity of the security inspection process and thus enhancing the system's stability.

[0053] Optionally, the first imaging detection group 1 and the second imaging detection group 2 may use the same or different radio frequency imaging technologies, and the detection parameters may be flexibly configured according to the actual scenario requirements.

[0054] like Figure 5 As shown, the first imaging detection group 1 and the second imaging detection group 2 are arranged opposite each other on both sides of the island platform in the first direction.

[0055] The security inspection system of this utility model forms a spatially opposed detection architecture by arranging the first imaging detection group 1 and the second imaging detection group 2 opposite to each other on both sides of the roundabout in a first direction. This layout allows for flexible expansion of security inspection channels according to actual traffic flow requirements. For example, by adding radio frequency units, a multi-channel parallel detection system can be quickly constructed, significantly improving traffic efficiency in high-traffic scenarios such as large transportation hubs.

[0056] like Figure 5 As shown, multiple radio frequency units in the second imaging detection group 2 are all bent towards the first direction.

[0057] The security inspection system of this embodiment bends multiple radio frequency units in the second imaging detection group 2 towards a first direction. This further expands the coverage of the detection angle. The bending structure causes the imaging surfaces of adjacent units to form an intersecting scanning area in space, effectively reducing blind spots caused by partial obstruction by the human body. Consequently, this increases detection accuracy.

[0058] The security inspection system of this utility model embodiment is not limited thereto. In some embodiments, the radio frequency unit of the second imaging detection group 2 is arranged in a V-shaped zigzag pattern; or, the radio frequency unit of the second imaging detection group 2 is arranged in an S-shaped bend; or, the radio frequency unit of the second imaging detection group 2 is arranged in a Z-shaped bend.

[0059] like Figure 5 As shown, the first imaging detection group 1 and the second imaging detection group 2 are symmetrically arranged on both sides of the first direction of the island platform.

[0060] The security inspection system of this utility model optimizes the space utilization during deployment by symmetrically arranging the first imaging detection group 1 and the second imaging detection group 2 on both sides of the roundabout in the first direction.

[0061] The first imaging detection group 1 is a terahertz radio frequency imaging system or a millimeter-wave radio frequency imaging system.

[0062] The security inspection system of this utility model, by installing multiple radio frequency units in the first imaging detection group 1 on both sides of the original road, can closely fit the original building structure or road edge, such as embedding them into the curved wall of an airport terminal or the arc-shaped passage of a subway entrance, which saves space and maintains environmental harmony.

[0063] The security inspection system of this utility model embodiment is not limited to this. In other embodiments, multiple first imaging detection groups 1 are detachably deployed on the road surface to define a first security inspection channel 14 on the road surface.

[0064] The security inspection system of this utility model, by detachably deploying multiple radio frequency units in the first imaging detection group 1 on the road surface, not only reduces site modification costs but also enables equipment reuse through quick assembly and disassembly, making it particularly suitable for high-traffic locations that require frequent adjustments to the security inspection layout. This increases the flexibility of deployment.

[0065] The first imaging detection group 1 is a terahertz radio frequency imaging system or a millimeter-wave radio frequency imaging system.

[0066] The security inspection system of this utility model uses a terahertz radio frequency imaging system or a millimeter-wave radio frequency imaging system as the core detection component. Both systems have advantages such as strong penetration, high resolution, and sensitivity to non-metallic substances, and can detect a variety of substances including but not limited to metallic and non-metallic items, explosives, and drugs. This greatly improves the accuracy and reliability of security inspections.

[0067] The security inspection system of this utility model embodiment also includes an alarm device, which responds to signals from multiple radio frequency units in each first imaging detection group 1.

[0068] The security inspection system of this embodiment incorporates an alarm device that responds to signals from multiple radio frequency units in the first imaging detection group 1. When a suspicious item is detected, the alarm device immediately sounds an alarm, alerting security personnel to take timely action. This design not only improves the real-time performance of security checks but also enhances the emergency response capabilities of the security inspection unit, providing strong protection for the safety of public places.

[0069] Furthermore, the second imaging detection group 2 is a terahertz radio frequency imaging system or a millimeter-wave radio frequency imaging system.

[0070] Furthermore, in the security inspection system of this utility model embodiment, the alarm device responds to the signal of each second imaging detection group 2.

[0071] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications or equivalent substitutions made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

[0072] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0073] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0074] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0075] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0076] In this utility model, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0077] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A security system, characterized by, include: The first imaging detection group includes multiple radio frequency units capable of scanning and imaging the person being inspected. The multiple radio frequency units of the first imaging detection group are spaced apart along a first direction, and all multiple radio frequency units of the first imaging detection group are bent towards the first direction. At least two first security check channels are formed between two adjacent radio frequency units in the first imaging detection group. The entrance and exit of the first security check channel are arranged opposite each other in a second direction. The first direction and the second direction are perpendicular to each other.

2. The security inspection system according to claim 1, characterized in that, The radio frequency unit of the first imaging detection group is arranged in an arc-shaped structure; Alternatively, the radio frequency unit of the first imaging detection group is arranged in a V-shaped zigzag pattern; Alternatively, the radio frequency unit of the first imaging detection group may be arranged in an S-shaped bend; Alternatively, the radio frequency unit of the first imaging detection group may be arranged in a Z-shaped bend.

3. The security inspection system according to claim 2, characterized in that, The eccentricity of the radio frequency unit of the first imaging detection group is 0.6-1.

4. The security inspection system according to claim 3, characterized in that, The first imaging detection group includes a first radio frequency unit, at least one second radio frequency unit, and a third radio frequency unit arranged sequentially along the first direction. The first radio frequency unit has a first imaging surface, the second radio frequency unit has a second imaging surface and a third imaging surface arranged opposite to each other on both sides along its thickness direction, and the third radio frequency unit has a fourth imaging surface. The first imaging surface, the second imaging surface, the third imaging surface, and the fourth imaging surface respectively define the first security check channel.

5. The security inspection system according to claim 1, characterized in that, It also includes a ring stage, wherein the radio frequency unit of the first imaging detection group extends in a curved shape toward the first direction, and the ring stage is disposed on the curved concave side of the radio frequency unit of the first imaging detection group.

6. The security inspection system according to claim 5, characterized in that, It also includes a second imaging detection group, which includes a plurality of radio frequency units spaced apart along the first direction, and at least one second security check channel is formed between two adjacent radio frequency units in the second imaging detection group.

7. The security inspection system according to claim 6, characterized in that, The first imaging detection group and the second imaging detection group are arranged opposite to each other on both sides of the island platform in the first direction; And / or, multiple radio frequency units in the second imaging detection group are all bent toward the first direction.

8. The security inspection system according to claim 7, characterized in that, The first imaging detection group and the second imaging detection group are symmetrically arranged on both sides of the island platform in the first direction.

9. The security inspection system according to any one of claims 1-8, characterized in that, Multiple first imaging detection groups are installed on both sides of the original road to form the first security checkpoint; Alternatively, multiple first imaging detection groups may be detachably deployed on the road surface to define the first security checkpoint on the road surface.

10. The security inspection system according to any one of claims 1-8, characterized in that, The first imaging detection group is a terahertz radio frequency imaging system or a millimeter-wave radio frequency imaging system; And / or, it also includes an alarm device that responds to signals from a plurality of radio frequency units in each of the first imaging detection groups.

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