CN112489337A - Roof safety monitoring method and monitor - Google Patents
Roof safety monitoring method and monitor Download PDFInfo
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- CN112489337A CN112489337A CN202011360447.1A CN202011360447A CN112489337A CN 112489337 A CN112489337 A CN 112489337A CN 202011360447 A CN202011360447 A CN 202011360447A CN 112489337 A CN112489337 A CN 112489337A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19695—Arrangements wherein non-video detectors start video recording or forwarding but do not generate an alarm themselves
Abstract
The invention discloses a roof safety monitoring method and a monitor. The method comprises the following steps: receiving a scattered echo formed by electromagnetic waves emitted by a radar sensor and the environment through target personnel, carrying out target detection based on the scattered echo, and forming a trigger signal when the target personnel are detected; sending a trigger signal to a camera to start the camera to shoot the roof related area, and generating related area image information; receiving the image information of the associated area, and transmitting the image information of the associated area to an information center through the power modem; and receiving the safety feedback information of the information center and transmitting the safety feedback information to the actuating mechanism. The electromagnetic wave through the radar sensor identifies the target personnel and starts the camera to shoot, the action of the actuating mechanism is controlled according to the safety feedback information of security personnel, the problems that the camera is large in maintenance requirement and high in cost in the traditional safety monitoring are solved, and the effects of keeping good monitoring capacity in a complex environment, reducing data transmission pressure and being convenient to use are achieved.
Description
Technical Field
The embodiment of the invention relates to campus safety monitoring technology, in particular to a roof safety monitoring method and a monitor.
Background
Campus safety is always a key problem of social and national concern, campus information construction, smart campus safety systems have attracted attention in recent years and are rapidly developed. How to further improve the campus safety protection capability, especially the early warning capability, is one of the difficulties faced by the school administration. In a campus safety emergency, students or mentality is not mature yet, or social experience is short rapidly, emotion fluctuation is large, psychological adjusting capability is weak, and extreme walking situations are easy to occur. The skyscrapers in school district buildings of middle and primary schools, high vocational schools, colleges and the like are places where extreme things are easy to happen, such as jumping, campus violence and the like, enough safety monitoring should be provided, and early warning information should be provided.
Existing security detection schemes include: based on a safety monitoring scheme of a camera or infrared equipment, the camera or the infrared equipment provides image and video information and serves as an auxiliary tool for follow-up and evidence collection after the fact; according to the full monitoring scheme based on the RFID, the students wear the RFID equipment, and the safe trip of each student can be monitored.
The camera is easily affected by illumination, humidity and dust, a large amount of maintenance problems exist in the later period, the requirement for processing the image in real time is high, and the cost caused by the high requirement for transmission of the high-definition image is also high; the passive infrared equipment has low sensitivity to motion detection and short detection distance, cannot provide position information of a target, and is easily influenced by illumination and surrounding environment, and the requirements on software and processing hardware are complex; the RFID-based solution requires personnel to cooperate and wear the RFID device in time, which is difficult to be effective for emergency events.
Disclosure of Invention
The invention provides a roof safety monitoring method and a monitor, which are used for realizing the effects of effectively monitoring and timely early warning a passageway and stairs which lead to a roof.
In a first aspect, an embodiment of the present invention provides a roof safety monitoring method, including:
receiving a scattered echo formed by electromagnetic waves emitted by a radar sensor and the environment through a target person, carrying out target detection based on the scattered echo, and forming a trigger signal when the target person is detected;
sending the trigger signal to a camera to start the camera to shoot the roof related area, and generating related area image information;
receiving the associated area image information, and transmitting the associated area image information to an information center through a power modem;
and receiving the safety feedback information of the information center and transmitting the safety feedback information to an actuating mechanism.
Optionally, before the trigger signal is formed, the camera is kept in a standby state.
Optionally, the radar sensor and the camera are arranged above a door on a wall of a staircase or a passageway to a roof.
Optionally, the actuator includes a speaker and a microphone; the receiving of the safety feedback information of the information center and the transmission of the safety feedback information to the executing mechanism comprises the following steps:
receiving voice information of inquiry and warning sent by security personnel of the information center to target personnel;
transmitting the voice information to the loudspeaker for playing;
and receiving the answer voice information of the target person through the microphone.
Optionally, the actuator further comprises a door lock controller; the receiving the safety feedback information of the information center and transmitting the safety feedback information to the executing mechanism further comprises:
receiving a door lock locking instruction sent by security personnel of the information center;
and locking the door lock through the door lock controller according to the door lock instruction.
Optionally, the image information shot by the camera and the corresponding time information are saved.
In a second aspect, an embodiment of the present invention further provides a roof safety monitor, including: radar sensor, camera, central controller, electric power cat and actuating mechanism, central controller includes: the device comprises a trigger signal generation module, a camera starting module, an image receiving module and a feedback information output module;
the trigger signal generation module is used for receiving a scattering echo formed by electromagnetic waves emitted by the radar sensor and the environment through target personnel, carrying out target detection based on the scattering echo, and forming a trigger signal when the target personnel are detected;
the camera starting module is used for sending the trigger signal to the camera so as to start the camera to shoot the roof related area and generate related area image information;
the image receiving module is used for receiving the associated area image information and transmitting the associated area image information to an information center through a power modem;
and the feedback information output module is used for receiving the safety feedback information of the information center and transmitting the safety feedback information to the actuating mechanism.
According to the embodiment of the invention, the target personnel are identified through the electromagnetic wave based on the radar sensor, the camera is started to shoot, and the shooting is uploaded to the information center, and the execution mechanism is controlled to execute corresponding operation according to the safety feedback information of the security personnel of the information center, so that the problems of large maintenance requirement and high cost of the camera in the traditional safety monitoring are solved, the problems of poor monitoring effect and complex implementation of infrared equipment and RFID equipment are solved, the effects of keeping good monitoring capability in a complex environment, reducing data transmission pressure and being convenient and fast to use are achieved, and the effect of being convenient to install without changing the existing transmission system is achieved by adopting an electric modem.
Drawings
Fig. 1 is a schematic flow chart of a roof safety monitoring method according to an embodiment of the present invention;
fig. 2 is a sub-flow schematic diagram of a roof safety monitoring method according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a roof safety monitor according to a second embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a schematic flow chart of a roof safety monitoring method according to an embodiment of the present invention, and fig. 2 is a schematic sub-flow chart of the roof safety monitoring method according to the embodiment of the present invention.
The embodiment is applicable to the condition of monitoring and managing the roof safety, and the method can be executed by a roof safety monitoring device, and specifically comprises the following steps:
and 110, receiving a scattered echo formed by the electromagnetic wave transmitted by the radar sensor and the environment through the target person, detecting the target based on the scattered echo, and forming a trigger signal when the target person is detected.
The rooftops of buildings in school districts such as middle and primary schools, high vocational schools, colleges and universities are places where extreme things are easy to happen, such as jumping, school violence and other events, the rooftops need to be monitored, early warning information can be provided, and therefore roof safety monitoring devices need to be installed on channels and stairs leading to the rooftops for monitoring and early warning.
A roof safety monitoring device containing a radar sensor and a camera is placed on the wall of a staircase or above the door of a passageway to the roof. The method comprises the steps that a radar sensor in a roof safety monitoring device emits electromagnetic waves, when a target person walks to the roof through a stair or a channel, the electromagnetic waves form scattered echoes through the target person and the environment, the received scattered echoes are subjected to target detection, specifically, the roof safety monitoring device firstly processes input noise and then determines a threshold, the threshold is compared with an input end signal, if the input end signal exceeds the threshold, the existence of the target person is judged, a trigger signal is formed, and otherwise, the existence of the target person is judged.
And step 120, sending the trigger signal to the camera to start the camera to shoot the roof related area, and generating related area image information.
The roof safety monitoring device sends a trigger signal to the camera to start the camera to shoot a roof related area, wherein the roof related area comprises a stair or a channel leading to the roof, a balcony and other areas of the roof, and related area image information corresponding to target personnel is generated, and the image information comprises image information and video information.
Optionally, before the trigger signal is formed, the camera is not started, and is kept in a standby state. Target personnel appear in the roof related area less frequently, the camera works all the time, not only electric energy is wasted, but also a large number of meaningless images are formed to cause waste of processing and storage resources, and the efficiency of pursuing and evidence obtaining after an accident occurs is reduced.
And step 130, receiving the related area image information, and transmitting the related area image information to an information center through the power modem.
Optionally, the image information shot by the camera and the corresponding time information are saved.
The roof safety monitoring device receives the image information of the associated area, stores the image information shot by shooting and the corresponding time information in a storage card in the roof safety monitoring device, transmits the image information of the associated area to an information center through a power modem, and transmits the information by adopting the power modem without changing the existing transmission system, so that the installation is convenient and fast, and only a socket is needed; the information center can perform cloud backup on the received image information and also store the image information and the corresponding time information. The information center displays the image information of the associated area on a display screen and reminds security personnel through an alarm.
And step 140, receiving the safety feedback information of the information center and transmitting the safety feedback information to an actuating mechanism.
Security personnel in the information center operate according to the image information of the associated area to generate security feedback information, the security feedback information comprises information such as voice inquiry, voice alarm and door lock locking, and the security feedback information received by the roof security monitoring device is transmitted to the execution mechanism to perform corresponding operation.
According to the embodiment of the invention, whether a target person exists is monitored in real time through electromagnetic waves sent by a radar, after the target person is found, a camera shoots and transmits the target person to an information center, image information and time information are stored, security personnel in the information center timely carry out voice communication with the target person or forced locking door lock operation, the problems that the monitoring camera is large in maintenance requirement and high in cost are solved, the problems that infrared equipment and RFID equipment are poor in monitoring effect and complex in implementation are solved, the effects of maintaining monitoring capability and reducing data transmission pressure in a complex environment are achieved, voice communication is provided, information communication between the security personnel and the target person can be improved, personal safety of the target person is protected, and an electric cat is adopted, so that the existing transmission system does not need to be changed, and the installation is convenient.
On the basis of the above technical solution, optionally, as shown in fig. 2, the actuator includes a speaker and a microphone; the method for receiving the safety feedback information of the information center and transmitting the safety feedback information to the actuating mechanism comprises the following specific steps:
and step 141, receiving voice information of inquiry and warning sent by security personnel of the information center to target personnel.
And step 142, transmitting the voice information to a loudspeaker for playing.
And step 143, receiving the answer voice information of the target person through a microphone.
The security personnel of information center sends out inquiry speech information to the target person who moves towards the roof, broadcast and receive target person's answer speech information through roof safety monitoring device's speaker and microphone, know the intention that target person goes to the roof, in time discover the intention gently to live and the personnel that the intention used violence, and pacify through pronunciation, dissuade and warn etc. simultaneously, according to the relevant information of the image recognition target person who obtains or the information that target person told, guardian or mr etc. of contacting target person through other modes, guarantee student's in the campus safety, in time carry out early warning processing. If the person intending to use the violence does not hear the dissuading, further, the roof safety monitoring device plays the alarm ring with large volume according to the received voice alarm information, so as to remind surrounding patrol personnel to pay attention while frightening the person intending to use the violence, and prevent the campus violence injury in time.
Optionally, the executing mechanism further includes a door lock controller, and the step of receiving the safety feedback information from the information center and transmitting the safety feedback information to the executing mechanism further includes:
and 144, receiving a door lock locking instruction sent by security personnel of the information center.
And 145, locking the door lock through the door lock controller according to the door lock instruction.
When the target person does not listen to dissuation and warning of security personnel of the information center, the roof safety monitoring device safely locks the door lock leading to the roof through the door lock controller according to a door lock locking instruction sent by the security personnel of the information center, so that the target person cannot smoothly open the door lock, and the target person is forcibly prevented from reaching the roof.
Example two
Fig. 3 is a schematic structural diagram of a roof safety monitor according to a second embodiment of the present invention, where the roof safety monitor is required to be used with an information center during roof safety monitoring, as shown in fig. 3, a roof safety monitor 1 includes: the radar sensor 10, the camera 20, the central controller 30, the power modem 40 and the actuator 50;
the radar sensor 10 is used for emitting electromagnetic waves to detect whether a target person exists or not and receiving formed scattering echoes; the camera 20 is used for starting and shooting the roof related area according to the triggering information of the central controller 30; the central controller 30 is configured to perform target detection based on the scattered echo, form and send trigger information to the camera 20 when a target person is detected, transmit image information acquired by the camera 20 and voice information acquired by the execution mechanism 50 to the information center 2 through the modem 40, and control the execution mechanism to operate according to safety feedback information of the information center 2; the power modem 40 is used for transmitting image information to the information center 2 and transmitting voice information between the information center 2 and the roof safety monitor 1; the actuator 50 is configured to operate according to an instruction of the central controller 30.
The central controller 30 includes: the device comprises a trigger signal generation module, a camera starting module, an image receiving module and a feedback information output module;
and the trigger signal generation module is used for receiving a scattered echo formed by the electromagnetic wave emitted by the radar sensor 10 and the environment through the target person, performing target detection based on the scattered echo, and forming a trigger signal when the target person is detected.
The camera starting module is used for sending a trigger signal to the camera 20 so as to start the camera to shoot the roof related area and generate related area image information; the roof related area comprises a stair or a passageway leading to the roof, a sky table and other areas of the roof, and the image information comprises picture information and video information.
The image receiving module is used for receiving the image information of the associated area and transmitting the image information of the associated area to the information center 2 through the power modem 40; the power modem 40 is also used for transmitting voice information and safety feedback information between the information center 2 and the roof safety monitoring device 1.
A feedback information output module for receiving the safety feedback information of the information center 2 and transmitting the safety feedback information to the actuating mechanism 50; the execution mechanism comprises a loudspeaker, a microphone and a door lock controller, the safety feedback information comprises voice information such as inquiry, pacification, dissuasion and warning sent by security personnel in the information center 2 to target personnel walking to the roof through the loudspeaker, large-volume voice alarm information which can be played through the loudspeaker, and a door lock locking instruction for locking the door lock through the door lock controller; the safety feedback information is feedback made by security personnel of the information center 2 according to the acquired information, and the acquired information includes images acquired by the camera 20 and answer voice information of the target personnel acquired by the microphone.
Optionally, the central controller 40 further includes a storage module, configured to store image information captured by the camera and corresponding time information, so as to facilitate tracking and evidence obtaining after an accident occurs.
According to the embodiment of the invention, the target person is identified through the electromagnetic wave based on the radar sensor, the camera is started to shoot, and the shooting is uploaded to the information center, and the execution mechanism is controlled to execute corresponding operation according to the safety feedback information of the security personnel of the information center, so that the problems of large maintenance requirement and high cost of the camera in the traditional safety monitoring are solved, the problems of poor monitoring effect and complex implementation of infrared equipment and RFID equipment are solved, the effects of keeping good monitoring capability in a complex environment, reducing data transmission pressure and being convenient and fast to use are achieved, and the effect of being convenient to install without changing the existing transmission system is achieved by adopting a power modem.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (7)
1. A roof safety monitoring method is characterized by comprising the following steps:
receiving a scattered echo formed by electromagnetic waves emitted by a radar sensor and the environment through a target person, carrying out target detection based on the scattered echo, and forming a trigger signal when the target person is detected;
sending the trigger signal to a camera to start the camera to shoot the roof related area, and generating related area image information;
receiving the associated area image information, and transmitting the associated area image information to an information center through a power modem;
and receiving the safety feedback information of the information center and transmitting the safety feedback information to an actuating mechanism.
2. The method for rooftop safety monitoring of claim 1, wherein the camera remains in a standby state prior to the forming of the trigger signal.
3. The method of claim 1, wherein the radar sensor and the camera are disposed on a wall of a staircase or above a door to a passageway to a roof.
4. The method of claim 1, wherein the actuators comprise a speaker and a microphone; the receiving of the safety feedback information of the information center and the transmission of the safety feedback information to the executing mechanism comprises the following steps:
receiving voice information of inquiry and warning sent by security personnel of the information center to target personnel;
transmitting the voice information to the loudspeaker for playing;
and receiving the answer voice information of the target person through the microphone.
5. The method of claim 1, wherein the actuator further comprises a door lock controller; the receiving the safety feedback information of the information center and transmitting the safety feedback information to the executing mechanism further comprises:
receiving a door lock locking instruction sent by security personnel of the information center;
and locking the door lock through the door lock controller according to the door lock instruction.
6. The method for monitoring the roof safety according to claim 1, characterized in that the image information shot by the camera and the corresponding time information are saved.
7. A roof safety monitor comprising: radar sensor, camera, central controller, electric power cat and actuating mechanism, its characterized in that, central controller includes: the device comprises a trigger signal generation module, a camera starting module, an image receiving module and a feedback information output module;
the trigger signal generation module is used for receiving a scattering echo formed by electromagnetic waves emitted by the radar sensor and the environment through target personnel, carrying out target detection based on the scattering echo, and forming a trigger signal when the target personnel are detected;
the camera starting module is used for sending the trigger signal to the camera so as to start the camera to shoot the roof related area and generate related area image information;
the image receiving module is used for receiving the associated area image information and transmitting the associated area image information to an information center through a power modem;
and the feedback information output module is used for receiving the safety feedback information of the information center and transmitting the safety feedback information to the actuating mechanism.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011360447.1A CN112489337A (en) | 2020-11-27 | 2020-11-27 | Roof safety monitoring method and monitor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011360447.1A CN112489337A (en) | 2020-11-27 | 2020-11-27 | Roof safety monitoring method and monitor |
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| CN112489337A true CN112489337A (en) | 2021-03-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113450533A (en) * | 2021-06-16 | 2021-09-28 | 衡阳晟达信息技术有限公司 | Wisdom campus safety precaution alarm management system |
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