Fault video recording trigger mechanism
By working in concert with the video anomaly detection module, the timecode trigger control module, and the recording and early warning module, the problems of low efficiency and lack of accurate timestamp annotation in existing video anomaly detection systems are solved. This enables real-time processing and efficient storage of video information, ensuring accurate identification and timely response to abnormal events.
Patent Information
- Application Number
- CN202520329198.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-03-20
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing video anomaly detection systems rely on manual monitoring, which is inefficient and prone to missing key anomaly events. They also lack accurate timestamp annotation and intelligent recording triggering functions.
It employs a video anomaly detection module, a timecode trigger control module, and a recording early warning module. Through analog-to-digital signal conversion, timecode annotation, and anomaly signal processing, it achieves accurate timestamp annotation and intelligent recording triggering.
It ensures the integrity and accuracy of video information, guarantees the real-time identification and efficient storage of abnormal events, provides accurate timestamps and timely early warning mechanisms, and improves the automation and reliability of the system.
Smart Images
Figure CN224021786U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model provides a fault video recording trigger mechanism belongs to the fault trigger field. BACKGROUND
[0002] The existing video anomaly detection system often relies on manual monitoring, not only inefficient, but also easy to miss key abnormal events, there are some deficiencies in hardware implementation. For example, although some systems can detect abnormal events in the video, lack of precise timestamp labeling function, making it difficult to trace and analyze abnormal events. In addition, part of the system is difficult to trigger recording when abnormal events occur, recording function adaptive control. UTILITY MODEL CONTENT
[0003] In order to solve the technical problems existing in the prior art, the utility model provides a fault video recording trigger mechanism, and the technical features adopted are as follows:
[0004] Preferably, the fault video recording trigger mechanism comprises a video anomaly detection module, a time code trigger control module and a recording warning module, the digital signal output end of the video anomaly detection module is connected with the digital signal input end of the time code trigger, and the digital signal output end of the time code trigger is connected with the digital signal input end of the recording warning module.
[0005] Preferably, the video anomaly detection module comprises a video processing module and an abnormality acquisition module, the analog signal input end of the video processing module is the analog signal input end of the video anomaly detection module, the image signal end of the video processing module is connected with the image signal input end of the abnormality acquisition module, and the digital signal output end of the abnormality acquisition module is the digital signal output end of the video anomaly detection module.
[0006] Preferably, the time code trigger control module comprises a time code labeling module and a detection control module, the digital signal input end of the detection control module is the digital signal input end of the time code trigger control module, the digital signal output end of the detection control module is the digital signal output end of the time code trigger control module, and the detection control module is connected with the time code labeling module in bidirectional communication.
[0007] Preferably, the recording warning module comprises a storage communication module and a monitoring warning module, the digital signal input end of the storage communication module is the digital signal input end of the recording warning module, and the storage communication module is connected with the monitoring warning module in bidirectional communication.
[0008] Preferably, the video processing module comprises an array camera, an analog-to-digital converter and an FPGA, the analog signal input end of the array camera being the analog signal input end of the video processing module, the analog signal output end of the array camera being connected with the analog signal input end of the analog-to-digital converter, the digital signal output end of the analog-to-digital converter being connected with the digital signal input end of the FPGA, and the digital signal output end of the FPGA being the digital signal output end of the video processing module.
[0009] Preferably, the anomaly acquisition module comprises an image processing accelerator card, a sensor array and a programmable logic device, the digital signal input end of the image processing accelerator card being the digital signal input end of the anomaly acquisition module, the digital signal output end of the image processing accelerator card being connected with the digital signal input end of the programmable logic device, the digital signal output end of the sensor array being connected with the digital signal input end of the programmable logic array, and the digital signal output end of the programmable logic array being the digital signal output end of the anomaly acquisition module.
[0010] Preferably, the time code labeling module comprises a time code generator, a trigger circuit and a labeler, the digital signal input end of the time code generator being the digital signal input end of the time code labeling module, the digital signal output end of the time code generator being connected with the digital signal input end of the trigger circuit, the digital signal output end of the trigger circuit being the digital signal output end of the time code labeling module, and the trigger circuit being connected with the labeler in bidirectional communication.
[0011] Preferably, the detection control module comprises a digital multimeter, a spectrum analyzer and a video recording controller, the digital signal input end of the video recording controller being the digital signal input end of the detection control module, the digital signal output end of the video recording controller being the digital signal output end of the detection control module, the digital signal output end of the digital multimeter being connected with the digital signal input end of the spectrum analyzer, and the digital signal output end of the spectrum analyzer being connected with the digital signal input end of the video recording controller.
[0012] Preferably, the storage communication module comprises a solid state disk and a fiber optic transceiver, the digital signal input end of the solid state disk being the digital signal input end of the storage communication module, the digital signal output end of the solid state disk being connected with the digital signal input end of the fiber optic transceiver, and the digital signal output end of the fiber optic transceiver being the digital signal output end of the storage communication module.
[0013] Preferably, the monitoring and early warning module comprises a microcontroller and an audible and visual alarm, the digital signal input end of the microcontroller is the digital signal input end of the monitoring and early warning module, the control signal output end of the microcontroller is connected with the control signal input end of the audible and visual alarm, and the analog signal output end of the audible and visual alarm is the analog signal output end of the monitoring and early warning module.
[0014] The video anomaly detection module receives analog video signals in real time and converts the received analog video signals into digital signals. Under the action of an ADC, the analog video signals are accurately sampled and converted into digital video streams. This process ensures the integrity and accuracy of the video information. The video anomaly detection module compares the converted digital video streams with a threshold value (a simple threshold value comparison is a preset rule). When detecting content that does not match the preset threshold value, an abnormal signal is output. This signal is a change in digital level, indicating the occurrence of an abnormal event. The time code trigger controller is internally equipped with an accurate clock circuit that can generate stable time codes. When receiving the abnormal signal output by the video anomaly detection module, the clock circuit immediately timestamps the event, recording the exact time when the abnormal event occurred. The video anomaly detection module receives the abnormal signal and detects the change in the level of this signal, thereby identifying the occurrence of an abnormal event. Once the abnormal signal is detected, a trigger signal is output to the recording and early warning module. This trigger signal is a change in digital level, used to activate the recording function of the recording and early warning module. The recording and early warning module is used to store the video recording when the abnormal event occurs. When receiving the trigger signal from the time code trigger controller, the module immediately starts receiving the video stream from the camera and encodes and stores it in the storage device. The recording and early warning module is used to output a warning signal when an abnormal event occurs. This signal can be an audible alarm, a light indication, or a warning message sent through the network. The warning output circuit ensures that the operator can timely discover and respond to abnormal events. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 FIG. 1 is a schematic diagram of a fault video recording trigger mechanism of the utility model;
[0016] Figure 2 FIG. 2 is a schematic diagram of a video anomaly detection module;
[0017] Figure 3 FIG. 3 is a schematic diagram of a time code trigger control module;
[0018] Figure 4 FIG. 4 is a schematic diagram of a recording and early warning module. DETAILED DESCRIPTION
[0019] The utility model is not limited by the embodiments.
[0020] In the description of the utility model, it is explained that, the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and "vertical" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the utility model.
[0021] In the description of the utility model, it is explained that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integrally connected, can be direct connection, also can be indirect connection through intermediate medium, can be the communication inside two components. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.
[0022] In addition, in the description of the utility model, unless otherwise stated, the meaning of "a plurality of", "a plurality of groups", "a plurality of roots" is two or more than two.
[0023] The materials, instruments and methods used in the following embodiments are not specially explained, and are conventional materials, instruments and methods in the art, which can be obtained through commercial channels.
[0024] Example 1
[0025] Figure 1 The utility model relates to a kind of fault video recording trigger mechanism structure schematic diagram.The fault video recording trigger mechanism includes video anomaly detection module, time code trigger control module and record early warning module, the digital signal output end of the video anomaly detection module is connected with the digital signal input end of the time code trigger, the digital signal output end of the time code trigger is connected with the digital signal input end of the record early warning module.
[0026] The principle and effect of the above content are: through video information exchange by video anomaly detection module, analog signal conversion and abnormal signal acquisition, provide time stamp to abnormal signal by time code trigger controller and detect and trigger whether to record, store and early warning to abnormal signal by record early warning module.
[0027] The video anomaly detection module receives analog video signals in real time. Inside the module, there is an analog-to-digital converter (ADC) that converts the received analog video signals into digital signals. Under the action of the ADC, the analog video signals are accurately sampled and converted into digital video streams. This process ensures the integrity and accuracy of the video information. The video anomaly detection module compares the converted digital video streams with the threshold value (simple threshold comparison is a preset rule). When detecting content that does not match the preset threshold, an anomaly signal is output. This signal is a change in digital level, indicating the occurrence of an abnormal event. When receiving the anomaly signal output by the video anomaly detection module, the clock circuit immediately timestamps the event, recording the exact time of the anomaly occurrence. The anomaly signal output by the video anomaly detection module is received, and the level change of this signal is detected to identify the occurrence of an abnormal event.
[0028] Once the anomaly signal is detected, a trigger signal is output to the recording warning module. This trigger signal is a change in digital level, used to activate the recording function of the recording warning module. The recording warning module is used to store video recordings when an abnormal event occurs. When receiving the trigger signal from the time code trigger controller, the module will immediately start receiving video streams from the camera and store them after encoding in the storage device. The recording warning module is used to send a warning signal when an abnormal event occurs. This signal can be a sound alarm, a light indication, or a warning message sent through the network. The warning output circuit ensures that the operator can timely discover and respond to abnormal events.
[0029] Embodiment 2
[0030] The video anomaly detection module includes a video processing module and an anomaly acquisition module. The analog signal input end of the video processing module is the analog signal input end of the video anomaly detection module. The image signal end of the video processing module is connected to the image signal input end of the anomaly acquisition module. The digital signal output end of the anomaly acquisition module is the digital signal output end of the video anomaly detection module, as shown in Figure 2 .
[0031] The time code trigger control module includes a time code labeling module and a detection control module. The digital signal input end of the detection control module is the digital signal input end of the time code trigger control module. The digital signal output end of the detection control module is the digital signal output end of the time code trigger control module. The detection control module and the time code labeling module are connected in bidirectional communication, as shown in Figure 3 .
[0032] The recording warning module includes a storage communication module and a monitoring warning module, the digital signal input end of the storage communication module is the digital signal input end of the recording warning module, the storage communication module is connected in bidirectional communication with the monitoring warning module, and the storage communication module is connected in bidirectional communication with the monitoring warning module. Figure 4
[0033] The video processing module includes an array camera, an analog-to-digital converter and an FPGA, the analog signal input end of the array camera is the analog signal input end of the video processing module, the analog signal output end of the array camera is connected with the analog signal input end of the analog-to-digital converter, the digital signal output end of the analog-to-digital converter is connected with the digital signal input end of the FPGA, and the digital signal output end of the FPGA is the digital signal output end of the video processing module.
[0034] The abnormality acquisition module includes an image processing acceleration card, a sensor array and a programmable logic device, the digital signal input end of the image processing acceleration card is the digital signal input end of the abnormality acquisition module, the digital signal output end of the image processing acceleration card is connected with the digital signal input end of the programmable logic device, the digital signal output end of the sensor array is connected with the digital signal input end of the programmable logic array, and the digital signal output end of the programmable logic array is the digital signal output end of the abnormality acquisition module.
[0035] The time code labeling module includes a time code generator, a trigger circuit and a labeler, the digital signal input end of the time code generator is the digital signal input end of the time code labeling module, the digital signal output end of the time code generator is connected with the digital signal input end of the trigger circuit, the digital signal output end of the trigger circuit is the digital signal output end of the time code labeling module, and the trigger circuit is connected in bidirectional communication with the labeler.
[0036] The detection control module includes a digital multimeter, a spectrum analyzer and a video recording controller, the digital signal input end of the video recording controller is the digital signal input end of the detection control module, the digital signal output end of the video recording controller is the digital signal output end of the detection control module, the digital signal output end of the digital multimeter is connected with the digital signal input end of the spectrum analyzer, and the digital signal output end of the spectrum analyzer is connected with the digital signal input end of the video recording controller.
[0037] The storage communication module includes a solid state disk and a fiber optic transceiver, the digital signal input end of the solid state disk is the digital signal input end of the storage communication module, the digital signal output end of the solid state disk is connected with the digital signal input end of the fiber optic transceiver, and the digital signal output end of the fiber optic transceiver is the digital signal output end of the storage communication module.
[0038] The monitoring and early warning module includes a microcontroller and an audible and visual alarm, the digital signal input end of the microcontroller being the digital signal input end of the monitoring and early warning module, the control signal output end of the microcontroller being connected with the control signal input end of the audible and visual alarm, and the analog signal output end of the audible and visual alarm being the analog signal output end of the monitoring and early warning module.
[0039] The principle and effect of the above are as follows: The video processing module captures analog video signals through an array camera, which are converted into digital format by an analog-to-digital converter (ADC), and then preliminarily processed by a field programmable gate array (FPGA), such as image enhancement and noise reduction. The image processing acceleration card of the anomaly acquisition module uses a dedicated hardware acceleration unit to perform motion detection and object recognition on the digital images output by the FPGA to identify abnormal events. The sensor array is used to supplement environmental information such as temperature and humidity, which may also affect the results of anomaly detection. The programmable logic device (PLD) is responsible for coordinating the work of these components and converting the detected abnormal events into digital signal output.
[0040] The time code labeling module of the time code trigger control module generates a precise timestamp by the time code generator, and when an abnormal event is detected, the trigger circuit is activated to associate the timestamp with the abnormal event. The marker is responsible for attaching this timestamp information to the record of the abnormal event. The digital multimeter of the detection control module is used to measure the voltage, current and other parameters in the circuit to ensure stable operation of the system. The spectrum analyzer analyzes the signal spectrum, which may be used to detect specific abnormal signal characteristics. The video controller controls the start and stop of the video recording device according to the abnormal signal and timestamp information.
[0041] The solid state drive (SSD) of the storage and communication module of the recording and early warning module is used to store video recordings and related data of abnormal events. The optical fiber transceiver provides a high-speed and reliable data transmission channel to send the stored data to a remote server or backup device.
[0042] The microcontroller of the monitoring and early warning module receives the abnormal signal from the detection control module and determines whether to trigger an early warning according to preset rules. The audible and visual alarm emits sound and light signals under the control of the microcontroller to remind the operator to pay attention to the abnormal event.
[0043] The video anomaly detection module can capture and process video signals in real time, accurately identify abnormal events (whether the actual signal and the preset signal range are consistent). Through the cooperative work of FPGA and image processing acceleration card, the accuracy and real-time performance of anomaly detection are improved. The time code trigger control module provides accurate timestamps for abnormal events, ensuring the accuracy and traceability of event records. The detection control module improves the reliability and flexibility of anomaly detection by integrating information from multiple sensors and analysis tools. The recording and warning module can efficiently store video recordings and related data of abnormal events. Through the optical fiber transceiver, remote data transmission is realized, improving the availability and security of data. The monitoring and warning module can quickly respond to abnormal events and remind the operator to take timely measures through sound and light alarms. Through the cooperative work of each module, the functions of video anomaly detection, timestamp labeling, video storage and warning reminder are realized, providing strong hardware support for security monitoring and event management.
[0044] All data storage, data analysis and control methods involved in the video anomaly detection module, time code trigger control module and recording warning module of the present application are prior art in the field. The present application does not improve any software program and method. The present application only designs the hardware structure combined with the video anomaly detection module, time code trigger control module and recording warning module. The methods or software programs involved in the effect or role of the video anomaly detection module, time code trigger control module and recording warning module are designed by the skilled person based on the existing method or software program design book, manual or product manual, combined with the function involved in the principle and effect of the present application, and can be realized through independent program writing.
[0045] Although the present application has been disclosed with the preferred embodiments as above, it is not intended to limit the present application. Any person skilled in the art can make various modifications and modifications without departing from the spirit and scope of the present application. Therefore, the protection scope of the present application should be defined by the claims.
Claims
1. A fault video recording triggering mechanism, characterized in that, The fault video recording triggering mechanism includes a video anomaly detection module, a timecode trigger control module, and a recording early warning module. The digital signal output terminal of the video anomaly detection module is connected to the digital signal input terminal of the timecode trigger control module, and the digital signal output terminal of the timecode trigger control module is connected to the digital signal input terminal of the recording early warning module.
2. The fault video recording triggering mechanism according to claim 1, characterized in that, The video anomaly detection module includes a video processing module and an anomaly acquisition module. The analog signal input terminal of the video processing module is also the analog signal input terminal of the video anomaly detection module. The image signal terminal of the video processing module is connected to the image signal input terminal of the anomaly acquisition module. The digital signal output terminal of the anomaly acquisition module is also the digital signal output terminal of the video anomaly detection module.
3. The fault video recording triggering mechanism according to claim 1, characterized in that, The timecode trigger control module includes a timecode marking module and a detection control module. The digital signal input terminal of the detection control module is the same as the digital signal input terminal of the timecode trigger control module, and the digital signal output terminal of the detection control module is the same as the digital signal output terminal of the timecode trigger control module. The detection control module and the timecode marking module are bidirectionally connected.
4. The fault video recording triggering mechanism according to claim 1, characterized in that, The recording and early warning module includes a storage and communication module and a monitoring and early warning module. The digital signal input terminal of the storage and communication module is the same as the digital signal input terminal of the recording and early warning module. The storage and communication module and the monitoring and early warning module are bidirectionally connected.
5. The fault video recording triggering mechanism according to claim 2, characterized in that, The video processing module includes an array camera, an analog-to-digital converter (ADC), and an FPGA. The analog signal input terminal of the array camera is the analog signal input terminal of the video processing module. The analog signal output terminal of the array camera is connected to the analog signal input terminal of the ADC. The digital signal output terminal of the ADC is connected to the digital signal input terminal of the FPGA. The digital signal output terminal of the FPGA is the digital signal output terminal of the video processing module.
6. The fault video recording triggering mechanism according to claim 2, characterized in that, The anomaly acquisition module includes an image processing accelerator card, a sensor array, and a programmable logic device. The digital signal input terminal of the image processing accelerator card is also the digital signal input terminal of the anomaly acquisition module. The digital signal output terminal of the image processing accelerator card is connected to the digital signal input terminal of the programmable logic device. The digital signal output terminal of the sensor array is connected to the digital signal input terminal of the programmable logic device. The digital signal output terminal of the programmable logic device is also the digital signal output terminal of the anomaly acquisition module.
7. The fault video recording triggering mechanism according to claim 3, characterized in that, The timecode annotation module includes a timecode generator, a trigger circuit, and an annotator. The digital signal input terminal of the timecode generator is the same as the digital signal input terminal of the timecode annotation module. The digital signal output terminal of the timecode generator is connected to the digital signal input terminal of the trigger circuit. The digital signal output terminal of the trigger circuit is the same as the digital signal output terminal of the timecode annotation module. The trigger circuit and the annotator are bidirectionally connected.
8. The fault video recording triggering mechanism according to claim 3, characterized in that, The detection and control module includes a digital multimeter, a spectrum analyzer, and a video recorder. The digital signal input terminal of the video recorder is the same as the digital signal input terminal of the detection and control module, and the digital signal output terminal of the video recorder is the same as the digital signal output terminal of the detection and control module. The digital signal output terminal of the digital multimeter is connected to the digital signal input terminal of the spectrum analyzer, and the digital signal output terminal of the spectrum analyzer is connected to the digital signal input terminal of the video recorder.
9. The fault video recording triggering mechanism according to claim 4, characterized in that, The storage communication module includes a solid-state drive (SSD) and a fiber optic transceiver. The digital signal input terminal of the SSD is the digital signal input terminal of the storage communication module. The digital signal output terminal of the SSD is connected to the digital signal input terminal of the fiber optic transceiver, and the digital signal output terminal of the fiber optic transceiver is the digital signal output terminal of the storage communication module.
10. The fault video recording triggering mechanism according to claim 4, characterized in that, The monitoring and early warning module includes a microcontroller and an audible and visual alarm. The digital signal input terminal of the microcontroller is the same as the digital signal input terminal of the monitoring and early warning module. The control signal output terminal of the microcontroller is connected to the control signal input terminal of the audible and visual alarm. The analog signal output terminal of the audible and visual alarm is the same as the analog signal output terminal of the monitoring and early warning module.