WO2020134209A1

WO2020134209A1 - Safety detection system and method

Info

Publication number: WO2020134209A1
Application number: PCT/CN2019/106199
Authority: WO
Inventors: 谭杨; 路德; 林东; 胡斌
Original assignee: 同方威视技术股份有限公司; 清华大学
Priority date: 2018-12-28
Filing date: 2019-09-17
Publication date: 2020-07-02
Also published as: CN109407174A

Abstract

A safety detection system and method, wherein the safety detection system comprises: a position detection apparatus used for detecting the position of a detected object (2); a first detection device (3) used for performing safety detection on the detected object (2); and a driving apparatus that is connected to the first detection device (3), is in a signal connection with the position detection apparatus, and is used for driving the first detection device (3) according to the position information detected by the position detection apparatus to move to a position for detecting the detected object (2). The entire process of the safety detection of the detected object (2) by means of the first detection device (3) is automated without requiring the participation of security personnel, which effectively reduces labor costs. Compared to the method of performing detection by means of security personnel, the present method may effectively improve the efficiency of safety detection and increase the personnel pass rate.

Description

Safety detection system and method

This application is based on the application with Chinese application number 201811619730.4 and the application date is December 28, 2018, and claims its priority. The disclosure content of this Chinese application is hereby incorporated into this application as a whole.

Technical field

The present disclosure relates to the technical field of safety detection, and in particular to a safety detection system and method.

Background technique

At present, in the entry and exit security inspection places such as airports and stations, the safety inspection of luggage is generally carried out after X-ray projection imaging of the luggage in the process of passing through the article machine. If there are drugs and explosives, if the planner thinks that the checked luggage is more suspicious, security personnel need to hold a trace detection device to detect again whether the bags contain drugs and explosives.

The above-mentioned safety detection method requires multiple security personnel to participate together to complete the detection process. The labor cost is high and the pass rate is low. In addition, the map judges use their experience to determine whether the luggage needs to be further detected by trace detection equipment, which is prone to miss the judgment and cause great security risks.

It should be noted that the information disclosed in the background part of the disclosure is only intended to increase the understanding of the overall background of the disclosure, and should not be regarded as an acknowledgement or in any way implying that the information constitutes what is known to those skilled in the art current technology.

Summary of the invention

The embodiments of the present disclosure provide a safety detection system and method to solve the problem of high labor cost for safety detection in the prior art.

According to an aspect of the present disclosure, a safety detection system is provided, including:

Position detection device, used to detect the position of the object;

The first testing equipment, which is used for the safety testing of the tested objects; and

The driving device is connected to the first detection device and is signally connected to the position detection device, and is used to receive the detection result of the position detection device and acquire the position information of the test object according to the detection result, so as to drive the first detection device to move to the test object Location.

Optionally, the first detection device includes at least one of a trace detection device, a temperature detection device, and a nuclear substance detection device.

Optionally, the safety detection system further includes a second detection device for performing safety detection on the detected object, the second detection device is provided upstream or downstream of the first detection device, and the first detection device is used to detect whether the detected object Carrying the first category of prohibited objects, the second detection equipment is used to detect whether the detected objects carry the second category of prohibited objects, the first category of prohibited objects and the second category of prohibited objects are the same or different.

Optionally, the second detection device includes:

Ray source, used to emit rays to scan the object; and

The detector is used to receive radiation, and form a scanned image of the test object according to the received radiation.

Optionally, the safety detection system further includes a display, which is in signal connection with the first detection device and the second detection device, and is used to display the detection results of the first detection device and the second detection device.

Optionally, the position detection device includes a camera for taking a picture of the object to be inspected, and the driving device is used for acquiring position information of the object according to the picture taken by the camera.

Optionally, the position detection device includes a position sensor for detecting whether the test object reaches a preset position, and the driving device is used for acquiring position information of the test object according to the arrival signal detected by the position sensor.

Optionally, the driving device includes:

A mechanical arm for installing the first detection equipment; and

The controller is used to control the movement of the mechanical arm after acquiring the position information of the test object, and drive the first detection device to the position where the test object is located through the mechanical arm.

Optionally, the safety detection system further includes a conveying device for conveying the object to be inspected. The conveying device includes a base body and a conveying member that moves relative to the base body, and the driving device is mounted on the base body.

Optionally, the driving device is also used to drive the first detection device to follow the movement of the object to be detected.

According to another aspect of the present disclosure, a safety detection method is provided, including:

Detect the position of the test object;

Use the driving device to drive the first detection device to move to the position of the detected object;

The first detection device performs safety detection on the detected object.

Optionally, the safety detection method further includes:

Through the second detection equipment to carry out safety detection on the detected object;

According to the detection result of the first detection device and the detection result of the second detection device, it is determined whether the object to be detected is safe.

Optionally, the operation of detecting the position of the test object includes:

Take pictures of the detected objects;

Obtain the position information of the object to be inspected based on the captured pictures.

Use the position sensor to detect whether the detected object arrives;

Acquire the position information of the test object according to the arrival signal detected by the position sensor.

Based on the above technical solution, the embodiments of the present disclosure are provided with a position detection device and a driving device, which can first detect the position of the test object through the position detection device, and then drive the first detection device to move to the position of the test object through the drive device, In order to use the first detection equipment for the safety detection of the detected object, in the entire process of using the first detection equipment for the safety detection of the detected object, an automated detection is realized without the need for security personnel to participate, which effectively reduces labor costs; In terms of the detection method by security personnel, the solution of the present disclosure including a position detection device and a driving device can effectively improve the efficiency of safety detection and improve the efficiency of personnel passing.

Other features and advantages of the present disclosure will become clear through the following detailed description of exemplary embodiments of the present disclosure with reference to the drawings.

BRIEF DESCRIPTION

In order to more clearly explain the embodiments of the present disclosure or the technical solutions in the prior art, the following will briefly introduce the drawings required in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only It is an embodiment of the present disclosure. For those of ordinary skill in the art, without paying any creative work, other drawings may be obtained according to the provided drawings.

FIG. 1 is a schematic structural diagram of an embodiment of a safety detection system of the present disclosure.

FIG. 2 is a flowchart of an embodiment of the safety detection method of the present disclosure.

detailed description

The technical solutions in the embodiments will be described clearly and completely in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, but not all the embodiments. Based on the embodiments of the present disclosure, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present disclosure.

In the description of the present disclosure, it should be understood that the terms "center", "landscape", "portrait", "front", "rear", "left", "right", "upper", "lower", " The orientation or positional relationship indicated by “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer”, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present disclosure and The description is simplified, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present disclosure.

As shown in FIG. 1, in an exemplary embodiment of a safety detection system provided by the present disclosure, the safety detection system includes a position detection device, a first detection device 3, and a driving device, wherein the position detection device is used to detect the detected The position of the object 2, the first detection device 3 is used for the safety detection of the object 2, the drive device is connected to the first detection device 3, and the drive device is signal-connected to the position detection device, the drive device is used to determine the position of the position detection device The detected position information drives the first detection device 3 to move to the position where the object 2 is detected.

Wherein, the position of the object 2 includes the height of the object 2 and/or the two-dimensional position of the object 2 on a preset plane.

The final resting position of the first detection device 3 can be determined according to the type of the first detection device 3. For example, if the first detection device 3 needs to be in contact with the object 2 to complete the detection, the first detection device 3 needs to move to the position in contact with the object 2; if the first detection device 3 does not need to contact the object 2 For contact, as long as it is close to the object 2 to be detected, the first detection device 3 can be moved to a position close to the object 2 to be detected.

In the above embodiment, the safety detection system includes a position detection device and a driving device, which can detect the position of the object 2 through the position detection device, and then drive the first detection device 3 to move to the object 2 through the driving device The location where the detection is carried out so that the first detection device 3 can be used for the safety detection of the detected object 2, and the entire detection process of the first detection device 3 for the safety detection of the detected object 2 realizes automatic detection without the need for security personnel Participation can effectively reduce the labor cost; compared with the way in which the security personnel hold the first detection device 3 to detect the test object 2, the embodiments of the present disclosure can effectively improve the efficiency of security detection and improve the efficiency of personnel passing.

Optionally, the first detection device 3 includes a handheld detection device, such as at least one of a trace detection device, a temperature detection device, and a nuclear substance detection device. Trace detection equipment can be used to detect whether the detected object 2 carries drugs or explosives, temperature detection equipment can be used to detect whether the detected object 2 carries prohibited low-temperature items, and nuclear material detection equipment can be used to detect whether the detected object 2 carries There is nuclear material.

Optionally, the safety detection system further includes a second detection device 5 for performing safety detection on the object 2, the second detection device 5 is disposed upstream or downstream of the first detection device 3, and the first detection device 3 is used to To detect whether the detected object 2 carries the first type of prohibited substance, the second detection device 5 is used to detect whether the detected object 2 carries the second type of prohibited substance, the first type of prohibited substance and the second type of prohibited substance are the same or different.

When the first type of contraband and the second type of contraband are the same, the first detection device 3 and the second detection device 5 have the same effect. The advantage of providing two detection devices is that the detected object 2 can be detected twice, reducing False detection rate. When the first type of contraband and the second type of contraband are different, a more comprehensive detection of the detected object 2 can be achieved, and the second detection device 5 is provided upstream or downstream of the first detection device 3, which is conducive to achieving continuous progress Multiple safety tests to save transition time and improve detection efficiency.

When the second detection device 5 is disposed upstream of the first detection device 3, the second detection device 5 may be used to perform a preliminary detection on the object 2 in order to determine whether the first detection device 3 is needed for further detection. Both the first detection device 3 and the second detection device 5 can realize automatic detection, which effectively improves the detection efficiency and saves labor costs.

Optionally, the second detection device 5 includes a radiation source and a detector, the radiation source is used to emit rays to scan the object 2 and the detector is used to receive the rays, and form a scan of the object 2 according to the received rays image. Such detection equipment can be used to detect whether the object to be inspected 2 carries prohibited items such as knives.

Specifically, the second detection device 5 may adopt a transmission scanning detection method or a backscatter scanning detection method.

Optionally, the safety detection system further includes a display, which is in signal connection with the first detection device 3 and the second detection device 5 and is used to display the detection results of the first detection device 3 and the second detection device 5. By setting the display, the detection results of the first detection device 3 and the second detection device 5 can be clearly displayed, which is convenient for the security personnel to judge whether the object 2 is safe according to the display result, and it is convenient to control whether the object 2 is released.

There are many options for the specific structure of the position detection device.

In an optional embodiment, the position detection device includes a camera 1 for taking a picture of the object 2, and the driving device is used for acquiring the position information of the object 2 according to the picture taken by the camera 1.

Specifically, when the test object is fixed relative to the ground, the position detection device includes a camera, and the driving device obtains the position information of the test object according to the picture taken by the camera, and then drives the first detection device according to the position information of the test object Move to the position where the test object is detected. When the test object moves relative to the ground, the driving device obtains the position information of the test object according to the picture taken by the camera, then calculates the real-time position of the test object according to the movement speed of the test object, and then drives the first The detection device moves to a real-time position capable of detecting the test object.

In another optional embodiment, the position detection device includes a position sensor for detecting whether the object 2 reaches a preset position, and the driving device is used for acquiring position information of the object 2 according to the arrival signal detected by the position sensor.

Specifically, when the test object is fixed relative to the ground, the position detection device includes a position sensor for detecting whether the test object reaches a preset position, and the position sensor is actually used to detect whether the test object is in or Whether it is placed at a preset position, the driving device obtains the position information of the detected object according to the arrival signal detected by the position sensor and the information stored in the preset position, and then drives the first detection device to move to the detected object position. When the test object moves relative to the ground, the position detection device includes a position sensor, and the driving device obtains the position information of the test object according to the arrival signal detected by the position sensor and the pre-stored preset position information, and then according to the movement of the test object The speed obtains the real-time position of the test object, and then drives the first detection device to move to the real-time position of the test object.

Optionally, the driving device includes a robot arm 4 and a controller. The robot arm 4 is used to install the first detection device 3. The controller is used to control the movement of the robot arm 4 after acquiring the position information of the object 2 and pass the robot arm 4. The first detection device 3 is driven to move to the position where the object 2 is detected. By providing the mechanical arm 4, the first detection device 3 can be automated, and the detection efficiency can be improved.

Optionally, the robot arm 4 includes a plurality of joints, and two adjacent joints are rotatably connected to adjust the extension length and height of the robot arm 4 through the rotation of the joints. This robotic arm 4 has a high degree of freedom, and can adjust its extension length and height according to the position and height of the object to be inspected 2, and has better adaptability.

Optionally, the safety detection system further includes a conveying device 6 for conveying the test object 2, the conveying device 6 includes a base body and a conveying member that moves relative to the base body (such as a conveying belt, a conveying chain, etc.), and the driving device is mounted on the base body . This arrangement can make full use of the existing equipment, avoid adding new components for installing the driving device, and can also save floor space.

Optionally, the driving device is used to drive the first detection device 3 to move to the position where the object 2 is detected and follow the object 2 to move. The advantage of this setting is that, for the first detection device 3 that cannot complete the safety detection quickly, the detection time can be increased.

The present disclosure also provides a safety detection method, including:

Detect the position of the test object 2;

Use the driving device to drive the first detection device 3 to the position where the detected object 2 is detected according to the position information of the detected detected object 2;

The first inspection device 3 performs a security inspection on the object to be inspected 2.

Further, the safety detection method also includes:

The second detection device 5 performs a safety test on the object to be inspected 2;

Based on the detection result of the first detection device 3 and the detection result of the second detection device 5, it is determined whether the object 2 is safe.

The operation of detecting the position of the object 2 may include:

Take a picture of the detected object 2;

Acquire the position information of the object 2 according to the captured picture.

The operation of detecting the position of the object 2 may further include:

Use the position sensor to detect whether the detected object 2 arrives;

The position information of the object 2 is acquired based on the arrival signal detected by the position sensor.

In the above embodiments, the object 2 may be a luggage or a person.

The positive technical effects possessed by the security detection system in the above embodiments are also applicable to the security detection method, and will not be repeated here.

The specific structure and working process of an embodiment of the safety detection system and method of the present disclosure will be described below with reference to FIGS. 1 and 2:

As shown in FIG. 1, in this embodiment, the safety detection system includes a position detection device, a first detection device 3, a driving device, a second detection device 5, and a conveying device 6, and the first detection device 3 includes a trace detection device, The second detection device 5 includes a radiation source and a detector. The second detection device 5 is disposed downstream of the first detection device 3. The second detection device 5 further includes a display. The first detection device 3 is signal-connected to the display to connect the first The detection result of the detection device 3 is transmitted to the display. The driving device includes a robot arm 4 and a controller. The controller is installed on the robot arm 4 and the first detection device 3 is installed on the end of the robot arm 4. The position detection device includes a camera 1, the camera 1 is mounted on a post, and the post is disposed at the front end of the conveying device 6. The conveying device 6 includes a base body and a conveying belt. The conveying belt is disposed on the base body and rotates cyclically relative to the base body. The robot arm 4 is installed on the base body and located at the end of the conveying device 6.

As shown in FIG. 2, at the time of detection, the test object 2 is placed on the conveying device 6 and moves forward under the conveying action of the conveying device 6; the camera 1 takes a picture of the test object 2 and transmits the picture to the robot arm 4 The controller on the top; the controller obtains the position information (including the height and the two-dimensional position on the conveying plane) of the object 2 being photographed according to the picture. According to the conveying speed of the conveying device 6, the object 2 can be calculated Real-time position, and then control the robot arm 4 to move autonomously, so that the robot arm 4 drives the first detection device 3 to the position where the test object 2 is detected and moves with the test object 2; the first test device 3 controls the test object 2 Perform sampling analysis of explosives and drugs, and send the analysis results to the display in the second detection device 5; when the detected object 2 is sent to the second detection device 5, the detector converts the received radiation signal into a scan Image, the scanned image is displayed on the display, the security staff can judge whether the detected object 2 carries the prohibited substance through the scanned image, and the security staff can see the detection result of the first detection device 3 at the same time, so it can make a comprehensive judgment .

This embodiment can not only reduce the work intensity of security personnel, but also improve the passing rate of detection and reduce the occurrence of missed detections.

Through the description of various embodiments of the safety detection system and method of the present disclosure, it can be seen that the embodiments of the safety detection system and method of the present disclosure have at least one or more of the following advantages:

1. By installing a position detection device and a driving device, the process of safety detection of the detected object through the first detection device can be automated, effectively reducing security personnel and reducing the work intensity of security personnel;

2. Equipped with second testing equipment, which can improve the completeness and comprehensiveness of baggage inspection, improve the effectiveness of inspection from different dimensions, and can also improve the accuracy of inspection and reduce the risk of missed inspection;

3. The driving device includes a mechanical arm, which realizes the combination of the mechanical arm and hand-held detection equipment, and effectively realizes automatic detection.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure but not to limit them; although the present disclosure has been described in detail with reference to the preferred embodiments, persons of ordinary skill in the art should understand that: On the premise of the principles of the present disclosure, the specific embodiments of the present disclosure may still be modified or some technical features may be equivalently replaced. These modifications and equivalent replacements should be included in the scope of the technical solutions claimed by the present disclosure.

Claims

A safety detection system, including:

Position detection device for detecting the position of the object (2);

A first detection device (3), which is used to perform security detection on the object (2); and

A driving device is connected to the first detection device (3) and is signally connected to the position detection device, and is used to drive the first detection device (3) to move to the position information detected by the position detection device The position where the test object (2) is detected.
The safety detection system according to claim 1, wherein the first detection device (3) includes at least one of a trace amount detection device, a temperature detection device, and a nuclear substance detection device.
The safety detection system according to claim 1, further comprising a second detection device (5) for performing safety detection on the object (2), the second detection device (5) is provided in the first Upstream or downstream of a detection device (3), the first detection device (3) is used to detect whether the detected object (2) carries a first type of prohibited substance, and the second detection device (5) is used Detecting whether the detected object (2) carries a second type of prohibited substance, and the first type of prohibited substance is the same as or different from the second type of prohibited substance.
The safety detection system according to claim 3, wherein the second detection device (5) comprises:

A ray source for emitting rays to scan the object (2); and

The detector is used to receive the rays and form a scanned image of the object (2) according to the received rays.
The safety detection system according to claim 3, further comprising a display, the display is in signal connection with the first detection device (3) and the second detection device (5), and is used to display the first detection device (3) and the detection result of the second detection device (5).
The safety detection system according to claim 1, wherein the position detection device includes a camera (1) for taking a picture of the object (2), and the driving device is used for ) The captured picture obtains the position information of the object (2).
The safety detection system according to claim 1, wherein the position detection device includes a position sensor for detecting whether the test object (2) reaches a preset position, and the drive device is used for The detected arrival signal acquires the position information of the object (2).
The safety detection system according to claim 1, wherein the driving device comprises:

A mechanical arm (4) for installing the first detection device (3); and

The controller is used to control the movement of the robot arm (4) after acquiring the position information of the object to be inspected (2), and drive the first detection device (3) to move through the robot arm (4) to The position where the test object (2) is detected.
The safety detection system according to claim 1, further comprising a conveying device (6) for conveying the test object (2), the conveying device (6) including a base body and a conveying member that moves relative to the base body , The driving device is installed on the base body.
The safety detection system according to claim 9, wherein the driving device is further used to drive the first detection device (3) to follow the object (2) to move.
A safety detection method, including:

Detect the position of the test object (2);

Using a driving device to drive the first detection device (3) to a position where the detected object (2) is detected according to the detected position information of the detected object (2);

The first detection device (3) performs a safety detection on the detected object (2).
The safety detection method according to claim 11, further comprising:

Perform a security test on the test object (2) through a second detection device (5);

According to the detection result of the first detection device (3) and the detection result of the second detection device (5), it is determined whether the test object (2) is safe.
The safety detection method according to claim 11, wherein the operation of detecting the position of the object (2) includes:

Take a picture of the object (2);

Acquire the position information of the test object (2) according to the captured picture.
The safety detection method according to claim 11, wherein the operation of detecting the position of the object (2) includes:

Use a position sensor to detect whether the detected object (2) arrives;

Acquire position information of the object (2) according to the arrival signal detected by the position sensor.