CN113990012A - Organism intrusion monitoring alarm system and method - Google Patents
Organism intrusion monitoring alarm system and method Download PDFInfo
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field
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- G—PHYSICS
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- G01S13/88—Radar or analogous systems specially adapted for specific applications
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- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
- G08B21/0261—System arrangements wherein the object is to detect trespassing over a fixed physical boundary, e.g. the end of a garden
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- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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Abstract
The utility model provides an organism invasion monitoring alarm system and a method, wherein a radar monitoring system acquires radar monitoring data of a target organism in real time and sends radar irradiation direction information and the radar monitoring data to a central processing system; the central processing system generates alarm instructions aiming at different biological types according to the radar monitoring data and sends the alarm instructions to the alarm system; sending the radar monitoring data to a vehicle machine central control system of the operation machine, and displaying the radar monitoring data on an intrusion monitoring radar map; the alarm system outputs corresponding alarm information according to the alarm instruction; the identification mark system generates an electromagnetic signal and feeds the electromagnetic signal back to the radar monitoring system, and the electromagnetic signal is used for filtering organism echoes in a set range of the electromagnetic signal outside a set region by the radar monitoring system. The utility model is not influenced by environmental weather, can reduce the risk of personal safety accidents to a great extent, and reduce the cost of intrusion monitoring.
Description
Technical Field
The utility model relates to a safety prevention and control technology in the technical field of engineering, in particular to a system and a method for monitoring and alarming organism invasion of large machinery.
Background
At present, various large machines are applied to various occasions, the environment is complex, the operation range can reach hundreds of meters frequently, non-operating personnel and vehicles cannot be found and stopped timely when rushing in, potential safety hazards are easy to occur, and inestimable risks and losses are caused. The manual inspection causes high labor cost, and 360-degree dead angle-free and omission-free operation cannot be achieved.
To above problem, the scheme that has been proposed at present sets up the laser fence, and this kind of scheme is not only with high costs, and the installation is loaded down with trivial details, and can only use on spacious flat ground, has more limitation. The other scheme is that laser radars are installed on the periphery of the machine, 3D point cloud imaging is formed on the periphery, the high-beam laser radar is high in cost, the low-beam laser radar is low in resolution ratio outside hundreds of meters and can hardly judge the outlines of pedestrians and vehicles, the laser radars are provided with multiple blind areas, laser cannot penetrate through walls and metal obstacles, the requirement on the surrounding environment is high, the influence of foggy days and rainy days is large, and moreover, the laser radars cannot distinguish workers and non-workers entering a monitoring area, and interference is brought to monitoring.
Through search, the following results are found:
a platform intrusion alarm system based on radar monitoring, which is a Chinese utility model patent with an authorization notice number of CN207182593U, comprises an embedded MCU main control module for managing a precautionary area and a defense state, data communication and man-machine command interaction; the system comprises an audio data processing system, an audio and video system, a wireless intercom system, a power supply module and a detection radar system; the audio data processing system, the audio and video system, the wireless intercom system and the detection radar system are respectively and electrically connected with the embedded MCU main control module. The utility model detects about 15 meters of range of the tail end of the platform through the Doppler microwave radar and the laser radar, if a human body or a moving object passes through the range, the intrusion target is found, the site alarm and remote alarm information transmission are immediately started, the site security personnel are informed to rapidly arrive at the site for processing, meanwhile, the system integrates the video capturing and storing technology, and the alarm information is subjected to video recording and image capturing to be used as the basis for accident investigation. The method has a small detection range, cannot work on large machines, the laser radar and the microwave radar are greatly influenced by shielding of surrounding obstacles, the camera is greatly influenced by weather light and the obstacles, in addition, workers and intruders cannot be distinguished by the method, and intrusion monitoring cannot be accurately realized.
The utility model patent application of China, publication No. CN110634254A, discloses an electronic fence, which comprises a laser radar light curtain device arranged at a preset position to form a scanning surface, wherein when detecting that illegal invasion exists in the scanning surface, the laser radar light curtain device sends point cloud data of an invader to a master controller; and processing the point cloud data of the intruder to obtain the distance and angle information of the intruder, and triggering a main controller for alarming by an alarm device when the intrusion position of the intruder is in a preset defense deployment area. Above-mentioned fence can carry out the face scanning in presetting position department through setting up laser radar light curtain device, can send the some cloud data including distance and angle information of invader to the master controller simultaneously to fix a position the invasion position of invader, improve investigation efficiency of investigation invader. The method adopts high-line-beam laser radar, the cost is high, the low-line-beam laser radar has low resolution ratio beyond hundreds of meters and can hardly judge the outlines of pedestrians and vehicles, the laser radar has more blind areas, laser can not penetrate through walls, metal and other obstacles, the requirement on the surrounding environment is high, the influence on the surrounding environment is large in foggy days and rainy days, and the laser radar can not distinguish working personnel and non-working personnel entering a monitoring area, so that the monitoring is interfered.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a biological intrusion monitoring and alarming system and method for large machinery.
According to one aspect of the present invention, there is provided an organism intrusion monitoring alarm system comprising: the system comprises a radar monitoring system, a central processing system, an alarm system and an identification mark system; wherein:
the radar monitoring system is used for acquiring radar monitoring data of a target organism in real time and sending radar irradiation direction information and the radar monitoring data to the central processing system;
the central processing system is used for controlling the radar monitoring system and is in control connection with a control system of the working machine; meanwhile, according to the radar irradiation direction information, an intrusion monitoring radar map is generated and sent to a vehicle machine central control system of the operation machine; generating alarm instructions aiming at different biological types according to the radar monitoring data and sending the alarm instructions to the alarm system; sending the radar monitoring data to a vehicle-mounted central control system of the operating machine, and displaying the radar monitoring data on the intrusion monitoring radar map;
the alarm system outputs corresponding alarm information according to the alarm instruction;
the identification mark system generates electromagnetic signals and feeds the electromagnetic signals back to the radar monitoring system, and the radar monitoring system is used for filtering organism echoes in the electromagnetic signal setting range outside the setting area.
Preferably, the radar monitoring system is mounted on top of the work machine, and comprises: a vital sign detection radar, a transmission belt, a stepping motor and an encoder; wherein:
the vital sign detection radar is in driving connection with the stepping motor through the transmission system and rotates 360 degrees on a horizontal plane under the driving of the stepping motor, and is used for acquiring radar monitoring data of target organisms in the surrounding environment in real time;
the encoder is installed below the vital sign detection radar and used for acquiring the rotation angle of the vital sign detection radar and ascertaining the radar irradiation direction of the vital sign detection radar in real time.
Preferably, the radar monitoring system acquires radar monitoring data of a target organism in real time, and comprises: electric field signal, direction and distance of the target organism; wherein:
the radar monitoring system detects ultralow frequency electric field signals sent by the heart and lung of a target organism in real time to obtain electric field signals of the target organism;
the radar monitoring system transmits a high-frequency pulse signal, the high-frequency pulse signal interacts with a low-frequency electric field signal sent by the heart and lung of a target organism, a generated echo signal is captured by the radar monitoring system, and the direction and the distance of the target organism are determined.
Preferably, the central processing system is mounted at a cab location of the work machine, and includes: the power calculation board card, the embedded control system, the CAN communication module and the serial port communication module are connected with the central processing unit; wherein:
the central processing unit is connected with a vehicle-mounted central control system of the operating machine through the serial port module and is used for sending the intrusion monitoring radar map and the radar monitoring data;
the central processor is connected with a control system of the operation machine through the CAN communication module and is used for controlling the control system of the operation machine to carry out emergency stop operation;
the central processing unit is respectively connected with the radar monitoring system and the alarm system through the embedded control system and is used for controlling the radar monitoring system to rotate and the alarm system to output alarm information;
the central processing unit is respectively in communication connection with the radar monitoring system and is used for receiving the radar irradiation direction information and the radar monitoring data and generating alarm instructions aiming at different biological types according to the radar monitoring data;
and the force calculation board card is used for providing force calculation support and generating an intrusion monitoring radar map according to the radar irradiation direction information.
Preferably, the central processor judges the type of the organism according to the frequency range of the electric field signal of the target organism in the radar monitoring data, wherein the type of the organism comprises a human and an animal; the generated alarm instructions for different biological types include an alarm instruction for a human and an alarm instruction for an animal.
Preferably, the central processing unit receives a parameter configuration instruction sent by a vehicle-mounted central control system of the working machine through the serial port module, and configures monitoring parameters of the central processing unit according to the parameter configuration instruction;
the monitoring parameters include any one or more of the following: monitoring range parameters, early warning range parameters, danger automatic shutdown range parameters, electronic fence area parameters and set area parameters; wherein:
the monitoring range parameter is used for restricting the detection range of the radar;
the early warning range parameter is used for restricting the range of output warning information;
the dangerous automatic shutdown range parameter is used for restricting the range of the automatic shutdown operation machine;
the electronic fence area parameter is used for restricting the range of a safe area or a dangerous area;
and the set region parameters are used for restricting the range of the safe activity region of the staff.
Preferably, the alarm system is mounted on the operating machine and comprises: a loudspeaker and an LED high-flash alarm lamp;
alarm instruction includes the alarm instruction to people and the alarm instruction to the animal, and correspondingly, the corresponding alarm information of output includes:
aiming at the human alarm information, sound and light alarm information is output through the loudspeaker and/or the LED high-flash alarm lamp, or the alarm information is output in a bidirectional communication mode;
and outputting infrasonic wave alarm information which resonates with the animal through the loudspeaker aiming at the alarm information of the animal.
Preferably, the identification mark system is worn on the body of a worker and comprises an electromagnetic oscillator and a power supply battery; wherein:
the electromagnetic oscillator is used for emitting an electromagnetic signal which can be captured and identified by the radar monitoring system;
the power supply battery is used for supplying power to the electromagnetic oscillator.
According to another aspect of the present invention, there is provided a method for monitoring and alarming for invasion of an organism, comprising:
carrying out real-time radar monitoring on organisms in a monitoring area, generating electromagnetic signals for identifying workers, feeding the electromagnetic signals back to a radar monitoring system, filtering echoes of the organisms in a set range of the electromagnetic signals outside a set area, and obtaining radar irradiation direction information and radar monitoring data of target organisms;
generating an intrusion monitoring radar map according to the radar irradiation direction information, and displaying the radar monitoring data on the intrusion monitoring radar map;
and generating alarm instructions aiming at different biological types according to the radar monitoring data, and outputting corresponding alarm information according to the alarm instructions.
Preferably, the method further comprises the following steps:
after the working machine is started, parameters required by intrusion monitoring alarm are configured, wherein the parameters comprise any one or more of the following parameters: monitoring range parameters, early warning range parameters, danger automatic shutdown range parameters, electronic fence area parameters and set area parameters; wherein:
the monitoring range parameter is used for restricting the detection range of the radar;
the early warning range parameter is used for restricting the range of output warning information;
the dangerous automatic shutdown range parameter is used for restricting the range of the automatic shutdown operation machine;
the electronic fence area parameter is used for restricting the range of a safe area or a dangerous area;
and the set region parameters are used for restricting the range of the safe activity region of the staff.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
the system and the method for monitoring and alarming the invasion of the organism have high automation degree and can realize automatic monitoring, automatic alarming and automatic emergency stop.
The system and the method for monitoring and alarming the invasion of the organism have wide monitoring range and are not influenced by factors such as obstacles, environment, weather and the like.
The system and the method for monitoring and alarming the invasion of the organism can reduce the configuration of responsible security personnel and reduce the labor cost.
The organism intrusion monitoring alarm system and the organism intrusion monitoring alarm method have the function of identifying personnel and avoid the interference of workers.
The system and the method for monitoring and alarming the invasion of the organism effectively reduce the accident rate of personnel and reduce the potential risk cost.
The system and the method for monitoring and alarming the invasion of the organism improve the intelligent degree of machinery and further improve the brand competitiveness.
The system and the method for monitoring and alarming the invasion of the organism are particularly suitable for monitoring and alarming the invasion of the organism in a large mechanical working area.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of an embodiment of an alarm system for monitoring organism intrusion;
FIG. 2 is a schematic diagram of a radar monitoring system according to a preferred embodiment of the present invention;
FIG. 3 is a schematic diagram of a CPU according to a preferred embodiment of the present invention;
fig. 4 is a flowchart illustrating a method for monitoring and alarming for invasion of an organism according to an embodiment of the present invention.
In the figure: the device comprises a vital sign detection radar 1, a transmission belt 2, a stepping motor 3 and an encoder 4.
Detailed Description
The following examples illustrate the utility model in detail: the embodiment is implemented on the premise of the technical scheme of the utility model, and a detailed implementation mode and a specific operation process are given. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Fig. 1 is a schematic structural diagram of a biological intrusion monitoring and warning system for a large machine according to an embodiment of the present invention.
As shown in fig. 1, the biological intrusion monitoring alarm system provided by this embodiment may include: the system comprises a radar monitoring system, a central processing system, an alarm system and an identification mark system; wherein:
the radar monitoring system is used for acquiring radar monitoring data of a target organism in real time and sending radar irradiation direction information and the radar monitoring data to the central processing system;
the central processing system is used for controlling the radar monitoring system and is in control connection with a control system of the working machine; meanwhile, according to the radar irradiation direction information, an intrusion monitoring radar map is generated and sent to a vehicle machine central control system of the operation machine; generating alarm instructions aiming at different biological types according to the radar monitoring data and sending the alarm instructions to an alarm system; sending the radar monitoring data to a vehicle machine central control system of the operation machine, and displaying the radar monitoring data on an intrusion monitoring radar map;
the alarm system outputs corresponding alarm information according to the alarm instruction;
and the identification marking system generates an electromagnetic signal and feeds the electromagnetic signal back to the radar monitoring system, and the radar monitoring system is used for filtering the echo of the organism in the electromagnetic signal set range outside the set region and not used as an intrusion target.
In this embodiment, as a preferred embodiment, the radar monitoring system is mounted on the top of the working machine, as shown in fig. 2, and includes: a vital sign detection radar, a transmission belt, a stepping motor and an encoder; wherein:
the vital sign detection radar is in driving connection with the stepping motor through a transmission system and rotates 360 degrees on a horizontal plane under the driving of the stepping motor, and is used for acquiring radar monitoring data of target organisms in the surrounding environment in real time;
the encoder is installed below the vital sign detection radar and used for acquiring the rotation angle of the vital sign detection radar and ascertaining the radar irradiation direction of the vital sign detection radar in real time.
In this embodiment, as a preferred embodiment, the radar monitoring system obtains the radar monitoring data of the target organism in real time, and includes: electric field signal, direction and distance of the target organism; wherein:
the radar monitoring system detects ultralow frequency electric field signals sent by the heart and lung of a target organism in real time to obtain electric field signals of the target organism;
the radar monitoring system transmits a high-frequency pulse signal, the high-frequency pulse signal interacts with a low-frequency electric field signal sent by the heart and lung of a target organism, a generated echo signal is captured by the radar monitoring system, and the direction and the distance of the target organism are determined.
Further, the ultra-low frequency electric field signal is the regular change of electric field potential generated in a human body, the lower the frequency is within 30HZ, the weaker the vital sign is represented, the more negative potential is-70 mv to-90 mv, the positive potential is about 20 mv to 30mv, the regular change of the electric field interacts with the magnetic field, and the electric field is transmitted through the skin by taking earth metal and the like as a medium, and can reach the range of several kilometers.
High frequency pulse signal in the range of 1 to 3 GHz.
In this embodiment, as a preferred embodiment, the central processing system is installed at a position of a cab of the work machine, as shown in fig. 3, and includes: the power calculation board card, the embedded control system, the CAN communication module and the serial port communication module are connected with the central processing unit; wherein:
the central processing unit is connected with a vehicle-mounted central control system of the operation machinery through a serial port module and is used for sending an intrusion monitoring radar map and radar monitoring data;
the central processing unit is connected with a control system of the operation machine through the CAN communication module and is used for controlling the control system of the operation machine to carry out emergency stop operation;
the central processing unit is respectively connected with the radar monitoring system and the alarm system through the embedded control system and is used for controlling the rotation of the radar monitoring system and outputting alarm information by the alarm system;
the central processing unit is respectively in communication connection with the radar monitoring system and is used for receiving radar irradiation direction information and radar monitoring data and generating alarm instructions aiming at different biological types according to the radar monitoring data;
and the force calculation board card is used for providing force calculation support and generating an intrusion monitoring radar map according to the radar irradiation direction information.
In this embodiment, as a preferred embodiment, the central processing unit determines the type of the living body according to the frequency range of the electric field signal of the target living body in the radar monitoring data, wherein the type of the living body includes human and animal; the generated alarm instructions for different biological types include an alarm instruction for a human and an alarm instruction for an animal.
In this embodiment, as a preferred embodiment, the central processing unit receives a parameter configuration instruction sent by a vehicle-mounted central control system of the working machine through the serial port module, and configures monitoring parameters of the central processing unit according to the parameter configuration instruction;
the monitoring parameters include any one or more of the following: monitoring range parameters, early warning range parameters, danger automatic shutdown range parameters and electronic fence area parameters; wherein:
the monitoring range parameter is used for restricting the detection range of the radar;
the early warning range parameter is used for restricting the range of output warning information;
the dangerous automatic shutdown range parameter is used for restricting the range of the automatic shutdown operation machine;
the electronic fence area parameter is used for restricting the range of a safe area or a dangerous area;
and the set region parameters are used for restricting the range of the safe activity region of the staff.
Further, in the preferred embodiment:
the range of radar detection is the monitoring range, and the method comprises the following steps: the monitoring radar is used as a circle center, the distance is a circular range of the radius, the range can also be set to be a fan-shaped range, and the parameter of the monitoring range is mainly used for restricting the detection range of the radar, for example, the safety range of the machine operation is 200 meters, and the parameter of the monitoring range can be generally set to be 0-250 meters.
The early warning range parameter can be set to 200-220 meters.
The hazardous automatic shut down range parameter may be set to 0-200 meters.
The living beings entering the monitoring range can be detected by the radar and displayed on the radar screen, and the living beings entering the early warning range can give out audible and visual alarm and inform an operator, so that the living beings entering the dangerous range can automatically shut down the machine. The electronic fence area is a marking range defined manually by an operator in a monitoring range, the range can be set as a safe area, people in the area cannot give an alarm, and the range can also be set as a dangerous area, and workers entering the area can be alarmed or directly cause the automatic shutdown of the machine.
In this embodiment, as a preferred embodiment, the alarm system is mounted on the operating machine, and includes: a loudspeaker and an LED high-flash alarm lamp;
the alarm instruction comprises an alarm instruction for a person and an alarm instruction for an animal, and correspondingly, corresponding alarm information is output and comprises the following steps:
aiming at the human alarm information, outputting acousto-optic alarm information through a loudspeaker and/or an LED high-flash alarm lamp, or outputting the alarm information in a bidirectional communication mode;
and outputting infrasonic wave alarm information which resonates with the animal through a loudspeaker aiming at the alarm information of the animal.
In this embodiment, as a preferred embodiment, the identification mark system is worn on the body of the worker and comprises an electromagnetic oscillator and a power supply battery; wherein:
the electromagnetic oscillator is used for sending out an electromagnetic signal which can be captured and identified by the radar monitoring system;
the power supply battery is used for supplying power to the electromagnetic oscillator.
The utility model provides an organism intrusion monitoring and alarming system, which mainly comprises four parts, namely a radar monitoring system, a central processing system, an alarming system and an identification marking system. Wherein:
the radar monitoring system mainly comprises a vital sign detection radar, a conveyor belt, a stepping motor and an encoder which are arranged on the top of the machine. The vital sign detection radar is used for detecting an ultralow frequency electric field (such as an ultralow frequency electric field generated by heart beating and the like) emitted by the heart and lung of a living body, can pass through obstacles such as reinforced concrete and steel plates, is captured by the detection radar, is often used for detecting, searching and rescuing survivors, and can distinguish the electric field frequency of people and animals. The stepping motor drives the vital sign detection radar to rotate 360 degrees on a horizontal plane through a transmission belt, and biological electric field signals sent out all around are captured. The encoder is used for acquireing the rotatory angle of motor, can visit the direction that the radar shines in real time, and data transmission is used for drawing the intrusion monitoring radar picture for central processing unit.
The central processing system includes: the central processing unit, the computing board card, the embedded control system, the CAN communication module and the serial port communication module are generally arranged at the position of the cockpit. The central processing unit integrates all data and resources, analyzes and judges the radar data, and interacts with each module. The computational force board card provides computational force support for a large amount of computation process which may be required by the system, such as splicing and filtering of radar data, rendering of a visual interface and the like. Because the radar detects a sector surface, the angle data transmitted by the encoder and the data detected by the radar are rotated, accumulated and spliced to obtain the data of a circular surface, so that observation and calculation are more convenient. By filtering, some noise models can be filtered out, including surrounding radio noise, mechanical disturbance, etc. The adopted method comprises high-pass filtering, low-pass filtering, Kalman filtering and the like. The embedded control system controls external modules such as a stepping motor of the radar monitoring system, an alarm component of the alarm system and the like, provides driving pulse data for the modules, such as PWM (pulse width modulation) pulse of a control motor, and controls optical pulse data and audio pulse data of the audible and visual alarm, and is directly controlled by the central processing unit. The CAN communication module is mainly connected with a control system of the large-scale machine, and when an intrusion target enters a high-risk area, the CAN communication module CAN automatically control the machine to stop working, so that danger is prevented.
The serial port communication module mainly communicates with a vehicle machine, sends and displays a generated radar map on a control screen in the vehicle machine, facilitates visual understanding of surrounding conditions by an operator, and meanwhile, the operator can provide serial port module to transmit configuration parameters, such as a monitoring range, an early warning range and a dangerous automatic shutdown range, so that a virtual electronic fence can be defined, and an appointed area is monitored and early warned mainly.
The alarm system mainly comprises high-power horns and LED high-flash alarm lamps which are arranged at four corners of a machine, when organisms invade, the system can judge whether the animals are human or animals, and if the animals do, infrasonic waves (15-20HZ, the resonance frequency of the human body is avoided, and the radiation range is controlled) which resonate with the animals are sent out to drive. If the vehicle is a person or a vehicle driven by a person, a short alarm is given, the vehicle is informed of entering a dangerous operation area, the vehicle is required to leave as soon as possible, and a warning lamp is flickered to attract the attention of the other party. When the opponent is closer, the alarm sound is more rapid, and the flashing frequency of the alarm lamp is higher.
The biological identification system is a small electromagnetic generator, is worn on the chest of a person working in a monitoring area, and prevents false alarm and interference on monitoring radar, the identification marking system consists of a power supply battery and an electromagnetic oscillator, the electromagnetic oscillator can send out an electromagnetic signal which can be obviously captured and identified by a vital sign detection radar, and after the radar identifies the electromagnetic signal, biological echoes near the 2m range of the electromagnetic signal are filtered out and are not taken as an intrusion target.
The organism invasion monitoring and alarming system provided by the embodiment of the utility model adopts the vital sign detection radar as a detector for organism invasion, the radar is driven by the motor to rotate to realize 360-degree horizontal and 90-degree vertical omnibearing monitoring, data scanned by the radar is transmitted to the central processing system to be filtered and analyzed to generate an invasion monitoring radar map, an organism entering an early warning range is subjected to acousto-optic alarm or acoustic alarm and is positioned in real time, a machine can be automatically stopped to work in an emergency, the personal safety is protected, and meanwhile, a biological identification system is also arranged to prevent a worker from entering a monitoring area to cause interference on the system. The organism intrusion monitoring and alarming system provided by the embodiment of the utility model can be operated for 24 hours all day long, does not depend on the interference of obstacles such as environment, climate, walls, metal and the like, has better early warning and monitoring capability on the intrusion of pedestrians, vehicles and animals, has wide coverage and high automation degree, can reduce extra labor cost and can greatly reduce the probability of personal safety accidents.
The biological intrusion monitoring and alarming system provided by the embodiment of the utility model is particularly suitable for intrusion monitoring and alarming of large-scale machinery. The large-scale machine comprises but is not limited to large-scale cranes, large-scale excavators, large-scale machine tool production lines, large-scale wood harvesters, large-scale building dismantling machines, large-scale dynamic compaction machines and other large-scale machines with uncertain range and dangerous operation.
Fig. 4 is a flowchart illustrating a method for monitoring and alarming for biological intrusion according to an embodiment of the present invention.
As shown in fig. 4, the method for monitoring and alarming invasion of living body provided by this embodiment may include the following steps:
s100, performing real-time radar monitoring on organisms in a monitoring area, generating electromagnetic signals for identifying workers, feeding the electromagnetic signals back to a radar monitoring system, filtering echoes of the organisms in a set range of the electromagnetic signals outside the set area, and obtaining radar irradiation direction information and radar monitoring data of target organisms;
s200, generating an intrusion monitoring radar map according to the radar irradiation direction information, and displaying radar monitoring data on the intrusion monitoring radar map;
and S300, generating alarm instructions aiming at different biological types according to the radar monitoring data, and outputting corresponding alarm information according to the alarm instructions.
In this embodiment, as a preferred embodiment, the following steps may be further included:
s000, after the working machine is started, configuring parameters required by intrusion monitoring alarm, wherein the parameters comprise any one or more of the following items: monitoring range parameters, early warning range parameters, danger automatic shutdown range parameters, electronic fence area parameters and set area parameters; wherein:
the monitoring range parameter is used for restricting the detection range of the radar;
the early warning range parameter is used for restricting the range of output warning information;
the dangerous automatic shutdown range parameter is used for restricting the range of the automatic shutdown operation machine;
the electronic fence area parameter is used for restricting the range of a safe area or a dangerous area;
and the set region parameters are used for restricting the range of the safe activity region of the staff.
In the following, the biological intrusion monitoring and alarming method provided by the above embodiment of the present invention is further described in detail with reference to a specific application example, in which the method provided by the above embodiment of the present invention is implemented based on the biological intrusion monitoring and alarming system provided by the above embodiment of the present invention.
After equipment starts, the operator firstly configures the biological intrusion monitoring alarm system on the central control screen, such as the range (0-500 m) to be monitored, the alarm range, the danger alarm range, the electronic fence area and the like, the system sends configuration parameters to the central processing unit through the serial port module, the central processing unit sets each configuration and then starts the vital sign detection radar, the vital sign detection radar transmits detected data to the central processing unit in real time, meanwhile, the central processing unit sends a control instruction to the embedded control system, the embedded control system controls the stepping motor to rotate, so that the vital sign detection radar is driven to rotate, and 360-degree detection is carried out. The encoder monitors the rotating angle of the radar in real time and synchronizes data to the central processing unit, the central processing unit puts radar data and angle information into the force calculation board card for radar data splicing, the fan-shaped radar data are spliced into circular radar data and filtering, a visual radar chart interface is rendered, the central processing unit transmits the radar chart data to the vehicle machine central control system through the serial port module, and an operator checks the radar chart data in real time through the central control screen. A worker wearing the identification and marking system in a monitoring area can send electric waves which can be clearly detected and identified by the vital sign detection radar through the identification and marking system, a central processing unit can mark the electric waves as normal workers after monitoring the electric waves, any biological signals within a range of two meters of the target accessory can be automatically shielded, and the system cannot send an alarm prompt to the invasion of the marked worker unless the worker enters a set area defined by an operator.
The set area parameters can be defined according to the set attributes of the electronic fence area parameters.
When people, animals and vehicles which do not wear the biological identification system enter a monitoring area, high-frequency pulse signals emitted by the radar interact with a low-frequency electric field emitted by heart and lung of a human body, generated echoes are captured by the radar, the distance of the direction of a target is determined, data are transmitted to the central processing unit, the central processing unit issues a control instruction to the embedded control system, the embedded control system controls the sound-light alarm system to emit sound-light alarm signals, and if the invading target is an animal, infrasonic waves are emitted to drive. Meanwhile, data of an invading target CAN be displayed on a radar map of a central control screen of the vehicle-mounted computer system through the serial port module, the red invading target is marked and gives an alarm to inform an operator that external personnel invade, the operator CAN communicate with security and take corresponding measures, if the invading target reaches a dangerous alarm area, the alarm system CAN give out prompt acousto-optic alarm information, and the central processing CAN control the vehicle control system to stop working through the CAN communication module and wait for the processing of working personnel.
In the technical solution provided by the above embodiment of the present invention, the adopted alarm modes are not limited to sound and light alarm, but also include other alarm modes that may exist, including informing workers near the intrusion target to go to a target point for processing, and performing monitoring warning or bidirectional communication by approaching the intrusion target through the unmanned aerial vehicle.
In the operation of large machines, the working range sometimes reaches hundreds of meters, and the movement under the suspension arm is extremely dangerous, and the intrusion supervision of non-working personnel is difficult because the working range is wide. According to the biological invasion monitoring and alarming system and method provided by the embodiment of the utility model, an operator can see all states of workers, invaders and animals within hundreds of meters of a square circle in a cockpit, and can clearly locate the positions of the workers, the invaders and the animals, the automatic alarming system can warn and drive away the external personnel, and the system can automatically stop working when a target enters a dangerous working range of the suspension arm, so that the personal safety is protected to the greatest extent.
It should be noted that, the steps in the method provided by the present invention can be implemented by using corresponding modules, devices, units, and the like in the system, and those skilled in the art can implement the step flow of the method by referring to the technical scheme of the system, that is, the embodiment in the system can be understood as a preferred example of the implementation method, and details are not described herein.
The above embodiments of the present invention are not exhaustive of the techniques known in the art.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model.
Claims (10)
1. An organism intrusion monitoring alarm system, comprising: the system comprises a radar monitoring system, a central processing system, an alarm system and an identification mark system; wherein:
the radar monitoring system is used for acquiring radar monitoring data of a target organism in real time and sending radar irradiation direction information and the radar monitoring data to the central processing system;
the central processing system is used for controlling the radar monitoring system and is in control connection with a control system of the working machine; meanwhile, according to the radar irradiation direction information, an intrusion monitoring radar map is generated and sent to a vehicle machine central control system of the operation machine; generating alarm instructions aiming at different biological types according to the radar monitoring data and sending the alarm instructions to the alarm system; sending the radar monitoring data to a vehicle-mounted central control system of the operating machine, and displaying the radar monitoring data on the intrusion monitoring radar map;
the alarm system outputs corresponding alarm information according to the alarm instruction;
the identification mark system generates electromagnetic signals and feeds the electromagnetic signals back to the radar monitoring system, and the radar monitoring system is used for filtering organism echoes in the electromagnetic signal setting range outside the setting area.
2. The biological intrusion monitoring alarm system according to claim 1, wherein the radar monitoring system is mounted on the top of a work machine and comprises: a vital sign detection radar, a transmission belt, a stepping motor and an encoder; wherein:
the vital sign detection radar is in driving connection with the stepping motor through the transmission system and rotates 360 degrees on a horizontal plane under the driving of the stepping motor, and is used for acquiring radar monitoring data of target organisms in the surrounding environment in real time;
the encoder is installed below the vital sign detection radar and used for acquiring the rotation angle of the vital sign detection radar and ascertaining the radar irradiation direction of the vital sign detection radar in real time.
3. The biological intrusion monitoring alarm system according to claim 1 or 2, wherein the radar monitoring system acquires radar monitoring data of a target biological in real time, and comprises: electric field signal, direction and distance of the target organism; wherein:
the radar monitoring system detects ultralow frequency electric field signals sent by the heart and lung of a target organism in real time to obtain electric field signals of the target organism;
the radar monitoring system transmits a high-frequency pulse signal, the high-frequency pulse signal interacts with a low-frequency electric field signal sent by the heart and lung of a target organism, a generated echo signal is captured by the radar monitoring system, and the direction and the distance of the target organism are determined.
4. The biological intrusion monitoring alarm system according to claim 1, wherein the central processing system is installed at a cab location of the working machine, and comprises: the power calculation board card, the embedded control system, the CAN communication module and the serial port communication module are connected with the central processing unit; wherein:
the central processing unit is connected with a vehicle-mounted central control system of the operating machine through the serial port module and is used for sending the intrusion monitoring radar map and the radar monitoring data;
the central processor is connected with a control system of the operation machine through the CAN communication module and is used for controlling the control system of the operation machine to carry out emergency stop operation;
the central processing unit is respectively connected with the radar monitoring system and the alarm system through the embedded control system and is used for controlling the radar monitoring system to rotate and the alarm system to output alarm information;
the central processing unit is respectively in communication connection with the radar monitoring system and is used for receiving the radar irradiation direction information and the radar monitoring data and generating alarm instructions aiming at different biological types according to the radar monitoring data;
and the force calculation board card is used for providing force calculation support and generating an intrusion monitoring radar map according to the radar irradiation direction information.
5. The biological intrusion monitoring alarm system according to claim 1 or 4, wherein the central processor judges the type of the biological object according to the frequency range of the electric field signal of the target biological object in the radar monitoring data, and the type of the biological object comprises human and animal; the generated alarm instructions for different biological types include an alarm instruction for a human and an alarm instruction for an animal.
6. The biological intrusion monitoring and alarming system of claim 1 or 4, wherein the central processing unit receives a parameter configuration instruction sent by a vehicle machine central control system of the working machine through the serial port module, and configures monitoring parameters of the central processing unit according to the parameter configuration instruction;
the monitoring parameters include any one or more of the following: monitoring range parameters, early warning range parameters, danger automatic shutdown range parameters, electronic fence area parameters and set area parameters; wherein:
the monitoring range parameter is used for restricting the detection range of the radar;
the early warning range parameter is used for restricting the range of output warning information;
the dangerous automatic shutdown range parameter is used for restricting the range of the automatic shutdown operation machine;
the electronic fence area parameter is used for restricting the range of a safe area or a dangerous area;
and the set region parameters are used for restricting the range of the safe activity region of the staff.
7. The biological intrusion monitoring alarm system according to claim 1, wherein the alarm system is mounted on a manipulator including: a loudspeaker and an LED high-flash alarm lamp;
alarm instruction includes the alarm instruction to people and the alarm instruction to the animal, and correspondingly, the corresponding alarm information of output includes:
aiming at the human alarm information, sound and light alarm information is output through the loudspeaker and/or the LED high-flash alarm lamp, or the alarm information is output in a bidirectional communication mode;
and outputting infrasonic wave alarm information which resonates with the animal through the loudspeaker aiming at the alarm information of the animal.
8. The biological intrusion monitoring and alarm system according to claim 1, wherein the identification mark system, worn on a worker, comprises an electromagnetic oscillator and a power supply battery; wherein:
the electromagnetic oscillator is used for emitting an electromagnetic signal which can be captured and identified by the radar monitoring system;
the power supply battery is used for supplying power to the electromagnetic oscillator.
9. An organism intrusion monitoring alarm method is characterized by comprising the following steps:
carrying out real-time radar monitoring on organisms in a monitoring area, generating electromagnetic signals for identifying workers, feeding the electromagnetic signals back to a radar monitoring system, filtering echoes of the organisms in a set range of the electromagnetic signals outside a set area, and obtaining radar irradiation direction information and radar monitoring data of target organisms;
generating an intrusion monitoring radar map according to the radar irradiation direction information, and displaying the radar monitoring data on the intrusion monitoring radar map;
and generating alarm instructions aiming at different biological types according to the radar monitoring data, and outputting corresponding alarm information according to the alarm instructions.
10. The biological intrusion monitoring alarm method according to claim 9, further comprising:
after the working machine is started, parameters required by intrusion monitoring alarm are configured, wherein the parameters comprise any one or more of the following parameters: monitoring range parameters, early warning range parameters, danger automatic shutdown range parameters, electronic fence area parameters and set area parameters; wherein:
the monitoring range parameter is used for restricting the detection range of the radar;
the early warning range parameter is used for restricting the range of output warning information;
the dangerous automatic shutdown range parameter is used for restricting the range of the automatic shutdown operation machine;
the electronic fence area parameter is used for restricting the range of a safe area or a dangerous area;
and the set region parameters are used for restricting the range of the safe activity region of the staff.
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Denomination of invention: Biological intrusion monitoring and alarm system and methods Granted publication date: 20230811 Pledgee: Minhang Branch of Shanghai Rural Commercial Bank Co.,Ltd. Pledgor: Shanghai Haibo Intelligent Technology Co.,Ltd. Registration number: Y2024310000088 |