Function test method for physical protection video monitoring system

Abstract

The invention provides a function test method for a real object protection video monitoring system. Comprising the following steps: sequentially executing a real-time video image test, an alarm linkage response time test, a video storage test, a video playback test, an intrusion alarm linkage test, an entrance and exit alarm linkage test, an important part alarm linkage test and an alarm linkage test of other monitoring parts except the important part; if the test results of the real-time video image test, the alarm linkage response time test, the video storage test, the video playback test, the intrusion alarm linkage test, the entrance and exit alarm linkage test, the important part alarm linkage test and the other monitoring part alarm linkage test all meet the corresponding judgment standards, the alarm linkage test is determined to be the alarm linkage test. And if not, determining that the functions of the physical protection video monitoring system meet requirements. By standardizing the testing steps and process of the physical protection system of the nuclear power plant, the testing content and method are clarified, and the technical problem that safe, effective and reliable operation of the physical protection video monitoring system is difficult to ensure at present is solved.

Description

Technical Field

[0001] This application belongs to the technical field of nuclear security technology video surveillance, and particularly relates to a method for functional testing of a physical protection video surveillance system. Background Art

[0002] Physical protection is a protection measure taken by nuclear power plants to prevent the illegal transfer, theft of nuclear materials or the damage of nuclear facilities. The system adopts technologies and capabilities of detection, delay and response to establish a complete and effective security prevention system. The video surveillance system uses devices such as image acquisition, display and recording to monitor important facilities and equipment on site in real time; rechecks events such as intrusion and coercion alarms; tracks and queries important events and records, which is of great significance to each system of physical protection. At the same time, the perimeter and entrance / exit video surveillance devices play a deterrent role against illegal intruders.

[0003] However, there is currently no relevant research on the functional testing of physical protection video surveillance systems, making it difficult to ensure the safe, effective and reliable operation of physical protection video surveillance systems. Summary of the Invention

[0004] In view of this, this application is committed to providing a method for functional testing of a physical protection video surveillance system. By standardizing the test steps and processes of the physical protection system in nuclear power plants and clarifying the test contents and methods, it solves the technical problem that there is currently no relevant research on the functional testing of physical protection video surveillance systems, making it difficult to ensure the safe, effective and reliable operation of physical protection video surveillance systems.

[0005] This application provides a method for functional testing of a physical protection video surveillance system. The method for functional testing of the physical protection video surveillance system includes: sequentially performing real-time video image testing, alarm linkage response time testing, video storage testing, video playback testing, intrusion alarm linkage testing, entrance / exit alarm linkage testing, alarm linkage testing for important parts, and alarm linkage testing for other monitored parts except important parts; if the test results of real-time video image testing, alarm linkage response time testing, video storage testing, video playback testing, intrusion alarm linkage testing, entrance / exit alarm linkage testing, alarm linkage testing for important parts, and alarm linkage testing for other monitored parts except important parts all meet the corresponding judgment criteria, it is determined that the functions of the physical protection video surveillance system meet the requirements.

[0006] In a specific embodiment of this application, the real-time video image testing includes: checking that the camera image is clear, the video is smooth, there is no screen freeze or screen flashing, the pan-tilt head operates flexibly and the control is effective; the test time is during the day; the test personnel hold the test item and stand at the end of the defense area, raise the test item above their heads with both hands and face the camera; another test personnel checks the shape and color of the test item on the video surveillance workstation or large screen in the security control center.

[0007] The judgment criteria for real-time video image testing include: the video image can cover the entire monitored area; the image resolution is greater than or equal to 1920*1080 pixels; and / or, the shape and color of the test item can be clearly distinguished on the video monitoring workstation.

[0008] In a specific embodiment of the present application, the test items include black and white circular cardboard or plastic plates with a diameter of 30 cm; black and white equilateral triangle cardboard or plastic plates with a diameter of 30 cm; and black and white square cardboard or plastic plates with a diameter of 30 cm. The shapes of the test items include circles, triangles or squares. The colors of the test items include black or white.

[0009] In a specific embodiment of the present application, the alarm linkage response time test includes: checking that the camera image is clear, the video is smooth, there is no screen freeze or flicker, the pan-tilt head operates flexibly, and the control is effective; the tester enters the defense area and stays close to the fence without moving, and the duty officer in the security control center confirms that there is no nuisance alarm; the tester triggers the perimeter intrusion alarm and at the same time reports "test start" to the security control center using a mobile intercom; the duty officer uses a timer to record the test start time, and stops timing when the alarm appears in the control center and records the time.

[0010] The judgment criteria for the alarm linkage response time test include: after triggering the intrusion test, the audible and visual alarm in the security control center is activated, the alarm video is linked, and the alarm information pops up on the perimeter alarm workstation; when the intrusion occurs, the alarm linkage response time of the video monitoring system is less than or equal to 3 seconds; and / or, the linked alarm video screen contains the camera number, location, date, and time.

[0011] In a specific embodiment of the present application, the video storage test includes: checking that the camera image is clear, the video is smooth, there is no screen freeze or flicker, the pan-tilt head operates flexibly, and the control is effective; the tester enters the perimeter defense area or triggers the intrusion alarm at the personnel / vehicle entrance; check the video storage time of the cameras at the perimeter, main entrances, important areas, etc. in the equipment room of the control center.

[0012] The judgment criteria for the video storage test include: the intrusion alarm event is automatically saved in the hard disk recorder or disk array; the perimeter alarm video is saved for no less than 30 days; the continuous surveillance images at the entrances and important parts are saved for no less than 90 days; the videos of intrusion alarm and other events are saved permanently; the alarm video contains text labels or prompts of the image source, date, time, and operating status.

[0013] In a specific embodiment of the present application, the video playback test includes: checking that the camera image is clear, the video is smooth, there is no screen freeze or flicker, the pan-tilt head operates flexibly, and the control is effective; the tester enters the perimeter defense area or triggers the intrusion alarm at the personnel / vehicle entrance.

[0014] The judgment criteria for video playback test include: integrity requirement, the playback video contains information such as camera number, location, date, time, etc., and the playback record is consistent with the actual date and time; the video playback record for alarm review is no less than 20 seconds of real-time playback record before the alarm; and / or, the playback resolution is greater than 1080P.

[0015] In a specific embodiment of the present application, the intrusion alarm linkage test includes: checking that the camera image is clear, the video is smooth, there is no color cast or screen flashing, the pan-tilt head operates flexibly, and the control is effective; the tester enters the defense area and stays close to the fence without moving; the duty officer in the security control center notifies the start of the test after confirming no nuisance alarm; the tester triggers an intrusion alarm inside the perimeter fence.

[0016] The judgment criteria for the intrusion alarm linkage test: the duty officer checks the activation of the audible and visual alarm, the linked alarm video, and the alarm information pops up on the perimeter alarm workstation; the video image can cover the entire detected area; record the alarm video for 10 seconds before the real-time alarm and 5 minutes after the alarm; the storage frame rate of the real-time video after the alarm is greater than 25 frames per second, and the playback resolution is greater than 1080P; and / or, the storage frame rate of the video during non-alarm time is greater than 15 frames per second, and the playback resolution is greater than 1080P.

[0017] In a specific embodiment of the present application, the entrance and exit alarm linkage test includes: checking that the camera image is clear, the video is smooth, there is no color cast or screen flashing, the pan-tilt head operates flexibly, and the control is effective; the tester triggers a duress alarm at the entrance and exit or an intrusion alarm at the vehicle entrance and exit.

[0018] The judgment criteria for the entrance and exit alarm linkage test include: the duty officer checks the activation of the audible and visual alarm, the linked alarm video, and the alarm information pops up on the perimeter alarm workstation; the video image can cover the entire detected area; the storage frame rate of the real-time video after the alarm is greater than 25 frames per second, and the playback resolution is greater than 1080P; the video image at the personnel entrance and exit can identify the facial features of a person; and / or, the video image at the vehicle entrance and exit can identify the license plate information and the facial features of the front-row personnel.

[0019] In a specific embodiment of the present application, the important area alarm linkage test includes: checking that the camera image is clear, the video is smooth, there is no color cast or screen flashing, the pan-tilt head operates flexibly, and the control is effective; the tester triggers an alarm in the nuclear material plant or the key area.

[0020] The judgment criteria for the important area alarm linkage test include: the duty officer checks the activation of the audible and visual alarm, the linked alarm video, and the alarm information pops up on the perimeter alarm workstation; the video image can cover the entire detected area; and / or, the storage frame rate of the real-time video after the alarm is greater than 25 frames per second, and the playback resolution is greater than 1080P.

[0021] In a specific embodiment of the present application, the alarm linkage test for other monitored parts includes: checking that the camera images are clear, the video is smooth, there is no screen freeze or flashing, the pan-tilt head operates flexibly, and the control is effective; the test is carried out separately during the day and at night; the test personnel move within a range of 2 meters from the perimeter of the control area; another test personnel drives a vehicle at a speed less than 20 km / h on the main road in the plant area.

[0022] The judgment criteria for the alarm linkage test of other monitored parts include: the video images can cover the entire monitored area; the perimeter of the control area and the main road in the plant area record personnel and vehicle information in real time; the frame rate of real-time video recording after alarm is greater than 15 frames / second, and the playback resolution is greater than 1080P; and / or, the video playback resolution of the infrared camera is consistent with the acquisition image resolution.

[0023] The beneficial effects of the technical solution of the present application are as follows: The functional test method of the physical protection video monitoring system is highly operable, easy to understand, highly practical, ensuring the safe and reliable operation of the physical protection system, novel and reasonable, with high economic benefits, ensuring the stable operation of the power station. Through years of experience summary, the test process is optimized and solidified, greatly improving the work efficiency and the test level of effectiveness, fully meeting the existing technical requirements of physical protection, ensuring the safety, stability and effectiveness of the physical protection system, and can be promoted to similar facilities at home and abroad. In addition, the design of the functional test method of the physical protection video monitoring system is novel and reasonable, standardizing the test steps and processes of the physical protection system in nuclear power plants, clarifying the test content and methods, thus improving the effectiveness test level of the physical protection system in nuclear power plants. Moreover, the functional test method of the physical protection video monitoring system is reliable, stable, efficient and simple, with good use effects, and is convenient for promotion and unification. Brief Description of the Drawings

[0024] Figure 1 The figure shows a schematic flow chart of a functional test method for a physical protection video monitoring system provided by an embodiment of the present application. Detailed Embodiment

[0025] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present application.

[0026] At least one embodiment of the present application provides a method for functional testing of a physical protection video surveillance system. This method for functional testing of a physical protection video surveillance system can be applied to any civilian facilities that require a physical protection system, such as nuclear power and nuclear fuel, during the processes of new construction, expansion, renovation, operation, and decommissioning. It can be widely used in the functional testing, performance detection, effectiveness testing, and self-evaluation of video surveillance control systems. Refer to Figure 1 , and the method for functional testing of a physical protection video surveillance system includes the following steps.

[0027] S10: Sequentially perform real-time video image testing, alarm linkage response time testing, video storage testing, video playback testing, intrusion alarm linkage testing, entrance / exit alarm linkage testing, alarm linkage testing for important locations, and alarm linkage testing for other monitored locations except important locations.

[0028] Real-time video image testing, alarm linkage response time testing, and video storage testing refer to Figure 1 "Start to Sequence A".

[0029] Specifically, the functional testing of this physical protection video surveillance system is divided into eight links. The first link is real-time video image testing, the second link is alarm linkage response time testing, the third link is video storage testing, the fourth link is video playback testing, the fifth link is intrusion alarm linkage testing, the sixth link is entrance / exit alarm linkage testing, the seventh link is alarm linkage testing for important locations, and the eighth link is alarm linkage testing for other monitored locations except important locations.

[0030] It should be noted that real-time video image testing, alarm linkage response time testing, and video storage testing refer to Figure 1 "Start to Sequence A". Video playback testing, intrusion alarm linkage testing, and entrance / exit alarm linkage testing refer to Figure 1 "Sequence A to Sequence B". Alarm linkage testing for important locations and alarm linkage testing for other monitored locations except important locations refer to Figure 1 "Sequence B to End".

[0031] S20: If the test results of real-time video image testing, alarm linkage response time testing, video storage testing, video playback testing, intrusion alarm linkage testing, entrance / exit alarm linkage testing, alarm linkage testing for important locations, and alarm linkage testing for other monitored locations except important locations all meet the corresponding judgment criteria, it is determined that the functions of the physical protection video surveillance system meet the requirements.

[0032] The method for testing the functions of the physical protection video surveillance system described in the embodiments of this application is highly operable, easy to understand, and practical. It ensures the safe and reliable operation of the physical protection system, is novel and reasonable, has high economic benefits, and ensures the stable operation of the power station. Through years of experience summary, the test process is optimized and solidified, greatly improving the work efficiency and the test level of effectiveness, fully meeting the requirements of the existing technology of physical protection, ensuring the safety, stability, and effectiveness of the physical protection system, and can be promoted to similar facilities at home and abroad. In addition, the method for testing the functions of the physical protection video surveillance system is novel and reasonable in design, standardizes the test steps and processes of the physical protection system of nuclear power plants, clarifies the test content and methods, thereby improving the test level of effectiveness of the physical protection system of nuclear power plants. Moreover, the method for testing the functions of the physical protection video surveillance system is reliable, stable, efficient, simple, has good use effects, and is convenient for promotion and standardization.

[0033] The equipment used in each test process of the method for testing the functions of the physical protection video surveillance system may include test items, timers, walkie-talkies, pickup trucks, protective gloves, etc. Hereinafter, each test process in the method for testing the functions of the physical protection video surveillance system will be illustrated with specific embodiments.

[0034] In at least one embodiment of this application, the real-time video image test includes: checking that the camera image is clear, the video is smooth, there is no screen freeze or flashing, the pan-tilt head operates flexibly, and the control is effective; the test time is during the day; the test personnel hold the test item and stand at the end of the security zone, raise the test item above the head with both hands, and face the camera; another test personnel views the shape and color of the test item on the video surveillance workstation or large screen in the security control center.

[0035] The judgment criteria for the real-time video image test include: the video image can cover the entire monitored area; the image resolution is greater than or equal to 1920*1080 pixels; the shape and color of the test item can be clearly distinguished on the video surveillance workstation.

[0036] For example, the height of the test personnel is 1.5 - 1.9 meters and the weight is 50 - 80 kg. The length of a single security zone is less than 100 meters.

[0037] In at least one embodiment of this application, the test items include black and white circular cardboard or plastic plates with a diameter of 30 cm; black and white equilateral triangle cardboard or plastic plates with a diameter of 30 cm; and black and white square cardboard or plastic plates with a diameter of 30 cm. The shapes of the test items include circles, triangles, or squares. The colors of the test items include black or white.

[0038] In at least one embodiment of the present application, the alarm linkage response time test includes: checking that the camera image is clear, the video is smooth, there is no screen freeze or flash, the pan-tilt head operates flexibly, and the control is effective; the tester enters the defense area and stays close to the fence without moving; the duty officer in the security control center confirms that there is no nuisance alarm; the tester triggers the perimeter intrusion alarm and reports "test start" to the security control center using a mobile intercom at the same time; the duty officer uses a timer to record the start time of the test, and stops timing when the alarm appears in the control center and records the time.

[0039] The judgment criteria for the alarm linkage response time test include: after triggering the intrusion test, the audible and visual alarm in the security control center is activated, the alarm video is linked, and the alarm information pops up on the perimeter alarm workstation; when the intrusion occurs, the alarm linkage response time of the video surveillance system is less than or equal to 3 seconds; the linked alarm video screen includes the camera number, location, date, and time.

[0040] In at least one embodiment of the present application, the video storage test includes: checking that the camera image is clear, the video is smooth, there is no screen freeze or flash, the pan-tilt head operates flexibly, and the control is effective; the tester enters the perimeter defense area or triggers the intrusion alarm at the personnel / vehicle entrance and exit; check the video storage time of the cameras at the perimeter, main entrances, important areas, etc. in the control center equipment room.

[0041] The judgment criteria for the video storage test include: the intrusion alarm event is automatically saved in the hard disk recorder or disk array; the perimeter alarm video is saved for no less than 30 days; the continuous surveillance images of the entrances and exits and important parts are saved for no less than 90 days; the videos of events such as intrusion alarms are saved permanently; the alarm video includes text labels or prompts of the image source, date, time, and operating status.

[0042] In at least one embodiment of the present application, the video playback test includes: checking that the camera image is clear, the video is smooth, there is no screen freeze or flash, the pan-tilt head operates flexibly, and the control is effective; the tester enters the perimeter defense area or triggers the intrusion alarm at the personnel / vehicle entrance and exit.

[0043] The judgment criteria for the video playback test include: integrity requirement, the video played back includes information such as the camera number, location, date, time, etc., and the playback record is consistent with the actual date and time; the video playback record for alarm review is no less than 20 seconds of real-time playback record before the alarm; the playback resolution is greater than 1080P.

[0044] In at least one embodiment of the present application, the intrusion alarm linkage test includes: checking that the camera image is clear, the video is smooth, there is no screen freeze or flash, the pan-tilt head operates flexibly, and the control is effective; the tester enters the defense area and stays close to the fence without moving; after the duty officer in the security control center confirms that there is no nuisance alarm, they notify the start of the test; the tester triggers the intrusion alarm inside the perimeter fence.

[0045] Judgment criteria for intrusion alarm linkage test: The duty officer checks the activation of audible and visual alarms, the linked alarm video, and the alarm information pops up on the perimeter alarm workstation; the video image can cover the entire detected area; the alarm video is recorded for 10 seconds before the real-time alarm and 5 minutes after the alarm; the storage frame rate of the real-time video after the alarm is greater than 25 frames per second, and the playback resolution is greater than 1080P; the storage frame rate of the video during non-alarm time is greater than 15 frames per second, and the playback resolution is greater than 1080P.

[0046] In at least one embodiment of the present application, the entrance and exit alarm linkage test includes: checking that the camera image is clear, the video is smooth, there is no color distortion or screen flickering, the pan-tilt head operates flexibly, and the control is effective; the tester triggers a duress alarm at the entrance and exit or an intrusion alarm at the vehicle entrance and exit.

[0047] The judgment criteria for the entrance and exit alarm linkage test include: The duty officer checks the activation of audible and visual alarms, the linked alarm video, and the alarm information pops up on the perimeter alarm workstation; the video image can cover the entire detected area; the storage frame rate of the real-time video after the alarm is greater than 25 frames per second, and the playback resolution is greater than 1080P; for the video image at the personnel entrance and exit, the facial features of the person can be recognized; for the video image at the vehicle entrance and exit, the license plate information and the facial features of the front-row personnel can be recognized.

[0048] In at least one embodiment of the present application, the alarm linkage test for important locations includes: checking that the camera image is clear, the video is smooth, there is no color distortion or screen flickering, the pan-tilt head operates flexibly, and the control is effective; the tester triggers an alarm in the nuclear material plant or the key area.

[0049] The judgment criteria for the alarm linkage test for important locations include: The duty officer checks the activation of audible and visual alarms, the linked alarm video, and the alarm information pops up on the perimeter alarm workstation; the video image can cover the entire detected area; the storage frame rate of the real-time video after the alarm is greater than 25 frames per second, and the playback resolution is greater than 1080P.

[0050] In at least one embodiment of the present application, the alarm linkage test for other monitored locations includes: checking that the camera image is clear, the video is smooth, there is no color distortion or screen flickering, the pan-tilt head operates flexibly, and the control is effective; the test is carried out separately during the day and at night; tester 1 moves within 2 meters of the perimeter of the control area; tester 2 drives a vehicle at a speed of less than 20 km / h on the main road in the plant area.

[0051] The judgment criteria for the alarm linkage test for other monitored locations include: The video image can cover the entire monitored area; the personnel and vehicle information is recorded in real time at the perimeter of the control area and on the main road in the plant area; the storage frame rate of the real-time video after the alarm is greater than 15 frames per second, and the playback resolution is greater than 1080P; the video playback resolution of the infrared camera is consistent with the resolution of the captured image.

[0052] In the above embodiments, the test technical requirements are further quantified, the result judgment criteria are solidified, and the execution standards for effectiveness tests are unified, thereby further improving the functional test level of the physical protection video surveillance system.

[0053] It should be noted that the combination manners of the technical features in the embodiments of the present application are not limited to the combination manners recorded in the embodiments of the present application or the combination manners recorded in the specific embodiments. All the technical features recorded in the present application can be freely combined or combined in any manner, unless contradictions occur between them.

[0054] As shown in the present application and the claims, unless the context clearly indicates an exception, words such as "a", "an" and / or "the" are not specifically singular and may also include the plural. Generally speaking, the terms "comprising" and "including" only indicate the inclusion of the steps and elements that have been clearly identified, and these steps and elements do not constitute an exclusive list. The method or device may also include other steps or elements.

[0055] The above are only the preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application.

Claims

1. A method for testing the function of a physical protection video surveillance system, characterized in that: include: Perform real-time video image test, alarm linkage response time test, video storage test, video playback test, intrusion alarm linkage test, entrance and exit alarm linkage test, important part alarm linkage test and other monitoring parts alarm linkage test except important parts in sequence; If the test results of real-time video image test, alarm linkage response time test, video storage test, video playback test, intrusion alarm linkage test, entrance and exit alarm linkage test, important part alarm linkage test and other monitoring parts alarm linkage test except important parts all meet the corresponding judgment criteria, it is judged that the functions of the physical protection video surveillance system meet the requirements.

2. A method for testing the function of a physical protection video surveillance system according to claim 1, characterized in that: Real-time video image testing includes: checking that the camera image is clear, the video is smooth, there is no screen distortion or flickering, the PTZ is flexible in operation, and the control is effective; the test time is daytime; the tester stands at the end of the defense zone holding the test item, holds the test item above his head with both hands, and faces the camera; another tester checks the shape and color of the test item on the video monitoring workstation or large screen in the security control center; The criteria for real-time video image testing include: the video image can cover the entire monitored area; the image resolution is greater than or equal to 1920*1080 pixels; and / or the shape and color of the test item can be clearly distinguished on the video monitoring workstation.

3. A method for testing the function of a physical protection video surveillance system according to claim 2, characterized in that: The test items include black or white circular cardboard or plastic board with a diameter of 30 cm; black or white equilateral triangle cardboard or plastic board with a diameter of 30 cm; and black or white square cardboard or plastic board with a diameter of 30 cm; The shapes of the test items include circle, triangle or square; The colors of the test items included black or white.

4. A method for testing the function of a physical protection video surveillance system according to claim 1, characterized in that: The alarm linkage response time test includes: checking that the camera image is clear, the video is smooth, there is no screen distortion or flickering, the PTZ operation is flexible, and the control is effective; the tester enters the defense zone and sticks to the fence and remains motionless, and the security control center attendant confirms that there is no noise alarm; the tester triggers the perimeter intrusion alarm and uses the mobile intercom to report the "test start" to the security control center; the attendant uses the timer to record the test start time, and when the control center alarms, the timer ends and the time is recorded; The judgment criteria for the alarm linkage response time test include: after the intrusion test is triggered, the sound and light alarms in the security control center are activated, the alarm video is linked, and the alarm information pops up on the perimeter alarm workstation; when an intrusion occurs, the alarm linkage response time of the video surveillance system is less than or equal to 3 seconds; and / or the linkage alarm video screen contains the camera number, location, date, and time.

5. A method for testing the function of a physical protection video surveillance system according to claim 1, characterized in that: Video storage test includes: checking the camera image is clear, the video is smooth, there is no screen distortion or flickering, the PTZ operation is flexible, and the control is effective; testing personnel enter the perimeter defense area or trigger intrusion alarms at the entrances and exits of personnel / vehicles; checking the video storage time of cameras in the perimeter, main entrances and exits, important areas, etc. in the equipment room of the control center; The criteria for video storage testing include: intrusion alarm events are automatically saved in the hard disk recorder or disk array; perimeter alarm video is saved for no less than 30 days; continuous surveillance images of entrances and exits and important areas are saved for no less than 90 days; videos of intrusion alarms and other events are permanently stored; and / or alarm videos contain text labels or prompts of image source, date, time and operating status.

6. A method for testing the function of a physical protection video surveillance system according to claim 1, characterized in that: Video playback test includes: checking the camera image is clear, the video is smooth, there is no screen distortion or flickering, the PTZ operation is flexible, and the control is effective; testing personnel entering the perimeter defense zone or triggering intrusion alarms at the entrances and exits of personnel / vehicles; The judgment criteria for the video playback test include: integrity requirements, the playback video contains information such as camera number, location, date, time, and the playback record is consistent with the actual date and time; the video playback record used for alarm review is a real-time playback record of no less than 20 seconds before the alarm; and / or the playback resolution is greater than 1080P.

7. A method for testing the function of a physical protection video surveillance system according to claim 1, characterized in that: The intrusion alarm linkage test includes: checking that the camera image is clear, the video is smooth, there is no screen distortion or flickering, the PTZ operation is flexible, and the control is effective; the tester enters the defense zone and sticks to the fence and remains motionless; the security control center attendant confirms that there is no noise alarm and then notifies the start of the test; the tester triggers the intrusion alarm within the perimeter fence; Judgment criteria for intrusion alarm linkage test: the duty officer checks the activation of the sound and light alarm, the linkage alarm video, and the pop-up alarm information on the perimeter alarm workstation; the video image can cover the entire detected area; the alarm video is recorded 10 seconds before the real-time alarm and 5 minutes after the alarm; the real-time video storage frame rate after the alarm is greater than 25 frames / second, and the playback resolution is greater than 1080P; and / or, the video storage frame rate during non-alarm time is greater than 15 frames / second, and the playback resolution is greater than 1080P.

8. A method for testing the function of a physical protection video surveillance system according to claim 1, characterized in that: The entrance and exit alarm linkage test includes: checking the camera image is clear, the video is smooth, there is no screen distortion or flickering, the PTZ operation is flexible, and the control is effective; the tester triggers the duress alarm at the entrance and exit or the intrusion alarm at the vehicle entrance and exit; The judgment criteria for the entrance and exit alarm linkage test include: the duty officer checks the activation of the sound and light alarm, the linkage alarm video, and the pop-up alarm information on the perimeter alarm workstation; the video image can cover the entire detected area; the real-time video storage frame rate after the alarm is greater than 25 frames / second, and the playback resolution is greater than 1080P; the video image of the personnel entrance and exit can recognize the facial features of the face; and / or, the video image of the vehicle entrance and exit can recognize the license plate information and the facial features of the front row personnel.

9. A method for testing the function of a physical protection video surveillance system according to claim 1, characterized in that: The alarm linkage test of important parts includes: checking the camera image is clear, the video is smooth, there is no screen distortion or flickering, the PTZ operation is flexible, and the control is effective; the test personnel trigger the alarm in the nuclear material plant or key area; The criteria for the alarm linkage test of important parts include: the duty officer checks the activation of the sound and light alarm, the linkage alarm video, and the pop-up alarm information on the perimeter alarm workstation; the video image can cover the entire detected area; and / or, the real-time video storage frame rate after the alarm is greater than 25 frames / second, and the playback resolution is greater than 1080P.

10. A method for testing the function of a physical protection video surveillance system according to any one of claims 1 to 9, characterized in that: Alarm linkage tests for other monitoring parts include: checking that the camera image is clear, the video is smooth, there is no screen distortion or flickering, the PTZ is flexible, and the control is effective; the test is conducted during the day and at night; the tester moves within 2 meters of the control area; another tester drives a vehicle at a speed of less than 20 kilometers per hour on the main road of the factory area; The judgment criteria for the alarm linkage test of other monitoring parts include: the video image can cover the entire monitored area; the personnel and vehicle information is recorded in real time at the perimeter of the control area and the main roads of the factory area; the real-time video storage frame rate after the alarm is greater than 15 frames / second, and the playback resolution is greater than 1080P; and / or the infrared camera video playback resolution is consistent with the captured image resolution.

Images