CN114582129A - Fire fighting access early warning system based on 5G - Google Patents
Fire fighting access early warning system based on 5G Download PDFInfo
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- CN114582129A CN114582129A CN202210238934.3A CN202210238934A CN114582129A CN 114582129 A CN114582129 A CN 114582129A CN 202210238934 A CN202210238934 A CN 202210238934A CN 114582129 A CN114582129 A CN 114582129A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—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
- 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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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
Abstract
The invention discloses a fire fighting access early warning system based on 5G, which comprises a monitoring camera device, an early warning mode selection module, an early warning prompt device and an encroachment state analysis processing module; the monitoring camera device is used for monitoring a limited area inside the fire fighting access field and outside the fire fighting access field in real time; the early warning mode selection module is used for carrying out mode-based processing on different occupied conditions of the fire fighting channel; the early warning prompting device is used for sending out early warning prompts in cooperation with different processing conditions in the early warning mode selection module and comprises a sound device and a display device; the sound device comprises a loudspeaker and a loudspeaker, and the display device comprises a display screen and a warning lamp; and the encroachment state analysis processing module is used for performing preliminary state estimation and state conversion on the common motor vehicle obtained in the early warning mode selection module.
Description
Technical Field
The invention relates to the technical field of fire fighting access supervision, in particular to a fire fighting access early warning system based on 5G.
Background
The fire fighting access is a life access for fire fighters to rescue and dredge when a fire or other critical moments come, so that the fact that the fire fighting access is kept unblocked at all times is a vital matter; however, in the current society, along with the improvement of people's physical life, the expansion of the number of vehicles is also accompanied, and the shortage of parking spaces or the expensive charge causes the situation that fire fighting passageways are occupied by private cars or are used as temporary places for placing by private cars in life to often occur, and the situations are often accompanied with the hidden trouble of delaying the gold time of fire rescue; the current common method for handling the hidden trouble situations increases manual supervision and patrol, which often requires a great amount of manpower, and the time for vulnerability always appears depending on the manpower.
Based on the above problems, it is urgent to provide a fire fighting access early warning system based on 5G, which can realize the situation handling of the occupation situation of the fire fighting access, cover the situations of motor vehicle occupation, non-motor vehicle occupation and other solid obstacles occupation, save labor force, realize the intellectualization of fire fighting access monitoring and obstacle clearing, and improve the monitoring efficiency and the rate of obstacle clearing.
Disclosure of Invention
The invention aims to provide a fire fighting access early warning system based on 5G, and aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: a fire fighting access early warning system based on 5G comprises a monitoring camera device, an early warning mode selection module, an early warning prompt device and an encroachment state analysis processing module;
the monitoring camera device is used for monitoring a limited area inside the fire fighting access field and outside the fire fighting access field in real time; the early warning mode selection module is used for carrying out mode-division processing on different occupied conditions of the fire fighting channel; the early warning prompting device is used for sending out early warning prompts in cooperation with different processing conditions in the early warning mode selection module and comprises a sound device and a display device; the sound device comprises a loudspeaker and a loudspeaker, and the display device comprises a display screen and a warning lamp; and the encroachment state analysis processing module is used for performing preliminary state estimation and state conversion on the common motor vehicle obtained in the early warning mode selection module.
Further, the early warning mode selection module comprises a first early warning unit and a second early warning unit; the encroachment state analysis processing module comprises a state analysis unit and a state processing unit; the state processing unit comprises an early warning timing unit and a risk value evaluation unit;
the first early warning unit is used for completing early warning analysis when the fire fighting access is occupied by the obstacle of the motor vehicle; the second early warning unit is used for completing early warning analysis when the fire fighting access is occupied by the non-motor vehicle obstacle;
the state analysis unit is used for receiving the pre-action characteristic information of the common motor vehicle obtained by the first early warning unit and finishing the primary estimation of the intrusion state or the lane borrowing state of the common motor vehicle; the state processing unit is used for further analyzing the intrusion state of the common motor vehicle, further dividing the intrusion state into a long-time intrusion state and a short-time intrusion state and completing state conversion analysis of the short-time intrusion state;
the early warning timing unit is used for completing state conversion analysis of a short-time encroachment state by the early warning countdown assisting state processing unit; and the risk value evaluation unit is used for monitoring the weather condition of the early warning day and assisting the state processing unit to complete the state conversion analysis of the short-time encroachment state.
Further, the first early warning unit comprises a vehicle identification unit, a vehicle characteristic identification unit and a vehicle pre-action identification unit; the second early warning unit comprises an area calculation unit;
the vehicle identification unit is used for completing the identification of the motor vehicle obstacle and the non-motor vehicle obstacle; the vehicle characteristic identification unit is used for completing intelligent identification of a common motor vehicle and a fire engine; the vehicle preaction identification unit is used for analyzing and processing preaction characteristics of a common motor vehicle; and the area calculation unit is used for calculating the covering area of the fire fighting channel warning line due to the non-motor vehicle obstacle.
Further, the early warning system comprises a fire fighting access early warning method:
s100: monitoring a limited area inside the fire fighting access field and outside the fire fighting access field in real time; when the overlapping area of the motor vehicle and a limited area outside the fire fighting access field is larger than the overlapping area threshold value set by the system, starting a first early warning mode; when the non-motor vehicle obstacle covers the area of the warning line in the fire fighting channel field, triggering a warning reminding device in the fire fighting channel to send out a warning prompt, and simultaneously starting a second warning mode; non-motor vehicle obstacles include non-motor vehicles and solid obstacles;
s200: triggering the early warning system to generate a first early warning signal and simultaneously sending a first identification instruction once the first early warning mode is started; the early warning system intelligently identifies the vehicle characteristics of the motor vehicle, and when the identification result shows that the motor vehicle is a fire engine, the first early warning signal is removed; when the recognition result shows that the motor vehicle is a common motor vehicle, triggering the system to generate a second recognition instruction, and carrying out pre-action recognition on the common motor vehicle by the system to obtain a preliminary estimation result; the preliminary presumption results include: encroachment state, lane borrowing state; further vehicle state confirmation is carried out on the preliminary estimation result;
s300: when the vehicle state received by the system shows that the vehicle is a vehicle for borrowing the lane, triggering a warning reminding device in the fire fighting lane to send out a warning prompt; when the vehicle state received by the system shows that the vehicle is invaded, triggering a warning reminding device in the fire fighting channel to send out a warning prompt and simultaneously starting to acquire vehicle information for the common motor vehicle and further analyze and process the invaded state;
s400: correspondingly adjusting the encroachment state according to the analysis processing result obtained in the step S300;
s500: when the second early warning mode is started, sending a processing instruction according to the covering area condition of the non-motor vehicle obstacle;
the intelligent recognition of the vehicle characteristics of the motor vehicle in the step S200 is beneficial to removing the situation that the fire-fighting vehicle normally uses the fire-fighting channel in the using process, and the early warning analysis burden of the early warning system is reduced.
Further, the pre-action recognition in step S200 includes the following steps:
when the included angle formed by the longitudinal vehicle body line of the common motor vehicle and the warning line of the fire fighting access is in the interval of [0, 45 degrees ], preliminarily presuming that the common motor vehicle is in a lane borrowing state; when the included angle formed by the longitudinal vehicle body line of the common motor vehicle and the warning line of the fire passage is in the interval of [45 degrees and 90 degrees ], the common motor vehicle is preliminarily estimated to be in an encroaching state;
the method comprises the steps that a common motor vehicle enters a limited area outside the fire fighting access field, until a video monitoring image within a period of time threshold of a lane borrowing state is preliminarily judged to be subjected to framing processing to obtain a video frame image, and the tire swing direction of the common motor vehicle in the video frame image is firstly analyzed; recording an included angle between the swinging direction of the tire of the common motor vehicle and a longitudinal vehicle body line of the common motor vehicle as A, recording an included angle formed by the swinging direction of the tire of the common motor vehicle and a warning line of a fire fighting channel as B, recording the number of times of swinging the accumulated included angle A from an interval [0, 15 degrees ] into an interval [15 degrees ], 45 degrees ] or an interval [ -45 degrees, 0] within a period threshold as Y, and recording the number of times of swinging the accumulated included angle B into the interval [45 degrees, 90 degrees ] as T;
when Y is greater than T and the primary judgment result shows that the common motor vehicle is in the lane borrowing state, the common motor vehicle is determined as a lane borrowing vehicle; when Y is greater than T and the preliminary judgment result shows that the common motor vehicle is in an encroaching state, calling the video frame image corresponding to the occurrence times Y to analyze the road condition where the common motor vehicle is located, calling the video frame image corresponding to the occurrence times T to analyze the road condition where the common motor vehicle is located if the density of the vehicles around the common motor vehicle is greater than a vehicle density threshold value, and determining the common motor vehicle as an encroaching vehicle if the density of the vehicles around the common motor vehicle is less than the vehicle density threshold value;
when Y is less than T and the primary judgment result shows that the common motor vehicle is in an encroaching state, the common motor vehicle is determined as an encroaching vehicle; when Y is less than T and the preliminary judgment result shows that the common motor vehicle is in a lane borrowing state, the corresponding video frame image corresponding to the occurrence times T is taken to analyze the road condition of the common motor vehicle, if the density of the vehicles around the common motor vehicle is less than a vehicle density threshold value, the video frame image corresponding to the occurrence times Y is taken to analyze the road condition of the common motor vehicle, and if the density of the vehicles around the common motor vehicle is more than the vehicle density threshold value, the common motor vehicle is determined as a lane borrowing vehicle;
the pre-action recognition in the limited area outside the fire fighting channel field is beneficial to early warning the situation that the fire fighting channel is occupied, and different early warning treatments are carried out on different occupation situations; the frame division processing is carried out on the video monitoring image in the process of further confirming the vehicle state so as to analyze the tire swing direction of the ordinary motor vehicle subsequently, and the one-to-one correspondence between the wheel swing direction information and the road condition information of the vehicle under the current situation in the frame division image can be realized and used as the information basis for the subsequent vehicle state transition; the vehicle state conversion processing is to eliminate some temporary or unintentional vehicle placing states caused by the crowded road conditions by combining the crowded road conditions of the vehicles, so that the system is favorable for eliminating the special states from the preliminary estimation result, and the system state analysis accuracy is improved; the included angle A is swung into an interval [15 degrees, 45 degrees ] or an interval [ -45 degrees ], 0] from the interval [0, 15 degrees ] within a period of time threshold, and the included angle A is considered to be the interval [15 degrees, 45 degrees ] in which the vehicle swings tires to turn from a direction which is approximately parallel to a longitudinal vehicle body line to the direction that the vehicle head slightly swings towards the warning line close to the fire fighting channel and the interval [ -45 degrees, 0] in which the vehicle head swings towards the warning line far away from the fire fighting channel; under the condition, the encroachment state trends based on the road conditions can be eliminated by combining the road conditions of the vehicles at that time; the swing-in interval of the included angle B of 45 degrees and 90 degrees is the condition that the wheels swing to a warning line close to the fire fighting access greatly.
Further, the further analysis of the encroachment status in step S300 includes the following:
when the common motor vehicle parked in the fire fighting access is not flamed out and a distance threshold value is not exceeded by a person or a vehicle owner in the common motor vehicle, the common motor vehicle is presumed to be in a short-time encroaching state;
when the common motor vehicle parked in the fire fighting access is monitored to be flamed out and no person or the owner in the common motor vehicle exceeds a distance threshold value from the common motor vehicle, the common motor vehicle is presumed to belong to a long-time encroachment state;
when the common motor vehicle is monitored not to be flameout, and a person in the common motor vehicle or a distance threshold value between the owner of the common motor vehicle and the common motor vehicle is not exceeded, the fact that the owner of the common motor vehicle does not intend to go away or stay for a long time can be reasonably presumed, and the early warning system can carry out simple early warning driving on the early warning system; when the situation that the common motor vehicle parked in the fire fighting channel is flamed out and no person exists in the common motor vehicle or the distance between the owner of the common motor vehicle and the common motor vehicle exceeds a distance threshold value is monitored, the fact that the owner of the common motor vehicle intends to go away and stay the vehicle for a long time can be reasonably presumed, and when the early warning system carries out early warning driving on the vehicle, the early warning system also needs to remind security management personnel to clear occupation faults.
Further, the further processing of the encroachment state in step S300 includes the following:
s301: acquiring vehicle information of a vehicle in a long-time encroaching state, inquiring the contact way of a vehicle owner, sending lane occupying warning information through a 5G network, sending a hidden danger processing instruction to an administrator, and simultaneously combining the facial information of the vehicle owner with a monitoring video near a fire passage to generate a vehicle owner track and sending the vehicle owner track to the administrator;
s302: for the vehicle in the short-time encroachment state, triggering the warning reminding device in the fire fighting access again to send out warning prompt and start warning timing, and simultaneously evaluating the risk value of the short-time encroachment state;
s303: when the risk value obtained by the evaluation in the step S302 is higher than the risk threshold value, the short-time encroachment state is converted into the long-time encroachment state, vehicle information is obtained, the contact way of the vehicle owner is inquired, the lane-occupying warning information is sent through the 5G network, the hidden danger processing instruction is sent to the security management personnel, and meanwhile the face information of the vehicle owner is combined with the monitoring video nearby the fire fighting channel to generate a vehicle owner track which is sent to the security management personnel;
s304: when the risk value obtained by the evaluation in the step S302 is lower than the risk threshold value or the early warning timing does not exceed the time threshold value, vehicle information is obtained, the contact way of the vehicle owner is inquired, and the occupation warning information is sent through the 5G network;
in the operation, the completion of the encroachment state is further processed, the hidden danger that the fire rescue golden time is delayed due to the fact that the fire fighting access is occupied is favorably reduced to the minimum, and the standard management and control of the fire fighting access are favorably realized.
Further, step S500 includes:
s501: when the covering area of the non-motor vehicle obstacle to the fire fighting channel warning line is larger than a covering threshold value and the weight of the non-motor vehicle obstacle exceeds a weight threshold value, sending a hidden danger processing instruction to an installation and management person through a 5G network;
s502: when the covering area of the non-motor vehicle obstacle to the warning channel warning line is smaller than a covering threshold value and the weight of the non-motor vehicle obstacle does not exceed a weight threshold value, starting early warning timing, and when the early warning timing exceeds a set time value, sending a hidden danger processing instruction to an administrator through a 5G network; and when the early warning timing does not exceed the set time value, the second early warning mode is released.
Further, the step S302 of starting to evaluate the risk value of the short-time encroachment state includes:
when the time period of illegal occupation of the ordinary vehicle is in the normal on-off commuting time period of a working day, the weather of the fire passage on the day of illegal occupation accords with the special weather condition set by the system, the traffic flow near the fire passage is higher than the traffic flow threshold value, and the people flow near the fire passage is higher than the people flow threshold value, the risk value of the short-time encroachment state is presumed to be high;
when the time period of illegal occupation of the ordinary vehicle is not in the normal on-off commuting time period of a working day, the weather of the day when the illegal occupation of the fire passage occurs does not have a special weather condition set by a system, the traffic flow near the fire passage is lower than a traffic flow threshold value, and the pedestrian flow near the fire passage is lower than a pedestrian flow threshold value, the risk value of the short-time encroachment state is estimated to be low.
Further, special weather conditions include: the temperature of the day is higher than a normal temperature threshold value, the air humidity of the day is less than sixty percent, the frequency of precipitation in a region on the day is cut off and is lower than a precipitation frequency threshold value, and the wind power level of the day is higher than a wind level threshold value;
the special weather conditions are all used for checking out adverse weather factors inducing fire when fire happens in the past, and the adverse weather factors are used as evaluation basis of risk values.
Compared with the prior art, the invention has the following beneficial effects: the invention can realize the condition-based treatment of the occupation condition of the fire fighting channel, cover different situations of motor vehicle occupation, non-motor vehicle occupation and other solid barrier occupation, and carry out condition-based treatment on different occupation situations; the intelligent fire fighting access monitoring and obstacle clearing device saves labor force for occupation supervision work of the fire fighting access, achieves intelligentization of fire fighting access monitoring and obstacle clearing, and improves monitoring efficiency and obstacle clearing speed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a fire fighting access early warning system based on 5G;
fig. 2 is a schematic flow chart of a fire fighting access early warning method based on 5G in the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a fire fighting access early warning system based on 5G comprises a monitoring camera device, an early warning mode selection module, an early warning prompt device and an encroachment state analysis processing module;
the monitoring camera device is used for monitoring a limited area inside the fire fighting access field and outside the fire fighting access field in real time;
the early warning mode selection module is used for carrying out mode-division processing on different occupied conditions of the fire fighting channel;
the early warning mode selection module comprises a first early warning unit and a second early warning unit; the encroachment state analysis processing module comprises a state analysis unit and a state processing unit; the state processing unit comprises an early warning timing unit and a risk value evaluation unit;
the first early warning unit is used for completing early warning analysis when the fire fighting access is occupied by the obstacle of the motor vehicle; the second early warning unit is used for completing early warning analysis when the fire fighting access is occupied by the non-motor vehicle obstacle;
the first early warning unit comprises a vehicle identification unit, a vehicle characteristic identification unit and a vehicle preaction identification unit; the second early warning unit comprises an area calculation unit;
the vehicle identification unit is used for completing the identification of the motor vehicle obstacle and the non-motor vehicle obstacle; the vehicle characteristic identification unit is used for completing intelligent identification of a common motor vehicle and a fire engine; the vehicle pre-action recognition unit is used for analyzing and processing the pre-action characteristics of the common motor vehicle; the area calculation unit is used for calculating the covering area of the fire fighting channel warning line due to the non-motor vehicle obstacle;
the state analysis unit is used for receiving the pre-action characteristic information of the common motor vehicle obtained by the first early warning unit and finishing the primary estimation of the intrusion state or the lane borrowing state of the common motor vehicle; the state processing unit is used for further analyzing the intrusion state of the common motor vehicle, further dividing the intrusion state into a long-time intrusion state and a short-time intrusion state and completing state conversion analysis of the short-time intrusion state;
the early warning timing unit is used for the early warning countdown assisting state processing unit to complete state conversion analysis of the short-time encroachment state; a risk value evaluation unit for monitoring weather condition of the day of early warning, assisting the state processing unit to complete state conversion analysis of the short-time encroachment state
The early warning prompting device is used for sending out early warning prompts in cooperation with different processing conditions in the early warning mode selection module and comprises a sound device and a display device; the sound device comprises a loudspeaker and a loudspeaker, and the display device comprises a display screen and a warning lamp;
and the encroachment state analysis processing module is used for performing preliminary state estimation and state conversion on the common motor vehicle obtained in the early warning mode selection module.
The early warning system comprises a fire fighting access early warning method:
s100: monitoring a limited area inside the fire fighting access field and outside the fire fighting access field in real time; when the overlapping area of the motor vehicle and a limited area outside the fire fighting access field is larger than the overlapping area threshold value set by the system, starting a first early warning mode; when the non-motor vehicle obstacle covers the area of the warning line in the fire fighting channel field, triggering a warning reminding device in the fire fighting channel to send out a warning prompt, and simultaneously starting a second warning mode; non-motor vehicle obstacles include non-motor vehicles and solid obstacles;
s200: triggering the early warning system to generate a first early warning signal and simultaneously sending a first identification instruction once the first early warning mode is started; the early warning system intelligently identifies the vehicle characteristics of the motor vehicle, and when the identification result shows that the motor vehicle is a fire engine, the first early warning signal is removed; when the recognition result shows that the motor vehicle is a common motor vehicle, triggering the system to generate a second recognition instruction, and carrying out pre-action recognition on the common motor vehicle by the system to obtain a preliminary estimation result; the preliminary presumption results include: encroachment state, lane borrowing state; further confirmation of the vehicle state is carried out on the preliminary estimation result;
when the included angle formed by the longitudinal vehicle body line of the common motor vehicle and the warning line of the fire fighting access is in the interval of [0, 45 degrees ], preliminarily presuming that the common motor vehicle is in a lane borrowing state; when the included angle formed by the longitudinal vehicle body line of the common motor vehicle and the warning line of the fire passage is in the interval of [45 degrees and 90 degrees ], the common motor vehicle is preliminarily estimated to be in an encroaching state;
the method comprises the steps that a common motor vehicle enters a limited area outside the fire fighting access field, until a video monitoring image within a period of time threshold of a lane borrowing state is preliminarily judged to be subjected to framing processing to obtain a video frame image, and the tire swing direction of the common motor vehicle in the video frame image is firstly analyzed; recording an included angle between the swinging direction of the tire of the common motor vehicle and a longitudinal vehicle body line of the common motor vehicle as A, recording an included angle formed by the swinging direction of the tire of the common motor vehicle and a warning line of a fire fighting channel as B, recording the number of times of swinging the accumulated included angle A from an interval [0, 15 degrees ] into an interval [15 degrees ], 45 degrees ] or an interval [ -45 degrees, 0] within a period threshold as Y, and recording the number of times of swinging the accumulated included angle B into the interval [45 degrees, 90 degrees ] as T;
when Y is greater than T and the primary judgment result shows that the common motor vehicle is in the lane borrowing state, the common motor vehicle is determined as a lane borrowing vehicle; when Y is greater than T and the preliminary determination result shows that the common motor vehicle is in an encroaching state, calling the video frame image corresponding to the occurrence times Y to analyze the road condition of the common motor vehicle, if the density of the vehicles around the common motor vehicle is greater than a vehicle density threshold value, calling the video frame image corresponding to the occurrence times T to analyze the road condition of the common motor vehicle, and if the density of the vehicles around the common motor vehicle is less than the vehicle density threshold value, determining the common motor vehicle as an encroaching vehicle;
when Y is less than T and the primary judgment result shows that the common motor vehicle is in an encroaching state, the common motor vehicle is determined as an encroaching vehicle; when Y is less than T and the preliminary judgment result shows that the common motor vehicle is in a lane borrowing state, the corresponding video frame image corresponding to the occurrence times T is taken to analyze the road condition of the common motor vehicle, if the density of the vehicles around the common motor vehicle is less than a vehicle density threshold value, the video frame image corresponding to the occurrence times Y is taken to analyze the road condition of the common motor vehicle, and if the density of the vehicles around the common motor vehicle is more than the vehicle density threshold value, the common motor vehicle is determined as a lane borrowing vehicle;
s300: when the vehicle state received by the system shows that the vehicle is a vehicle for borrowing the lane, triggering a warning reminding device in the fire fighting lane to send out a warning prompt; when the vehicle state received by the system shows that the vehicle is invaded, triggering a warning reminding device in the fire fighting channel to send out a warning prompt and simultaneously starting to acquire vehicle information for the common motor vehicle and further analyze and process the invaded state;
wherein the further analysis of the encroachment condition includes the following:
when the common motor vehicle parked in the fire fighting access is monitored not to be flamed out and a distance threshold value is not exceeded by a person or a vehicle owner in the common motor vehicle, the common motor vehicle is presumed to be in a short-time encroachment state;
when the common motor vehicle parked in the fire fighting access is monitored to be flamed out and no person or the owner in the common motor vehicle exceeds a distance threshold value from the common motor vehicle, the common motor vehicle is presumed to belong to a long-time encroachment state;
wherein the further processing of the encroachment state comprises the following:
s301: acquiring vehicle information of a vehicle in a long-time encroaching state, inquiring the contact way of a vehicle owner, sending lane occupation warning information, sending a hidden danger processing instruction to an administrator, and simultaneously combining the facial information of the vehicle owner with a monitoring video near a fire channel to generate a vehicle owner track and sending the vehicle owner track to the administrator;
s302: for the vehicle in the short-time encroachment state, triggering the warning reminding device in the fire fighting access again to send out warning prompt and start warning timing, and simultaneously evaluating the risk value of the short-time encroachment state;
wherein, the evaluation of the risk value of the short-time encroachment state comprises the following steps:
when the time period of illegal occupation of the ordinary vehicle is in the normal on-off commuting time period of a working day, the weather of the fire passage on the day of illegal occupation accords with the special weather condition set by the system, the traffic flow near the fire passage is higher than the traffic flow threshold value, and the people flow near the fire passage is higher than the people flow threshold value, the risk value of the short-time encroachment state is presumed to be high;
when the time period of illegal occupation of the ordinary vehicle is not in the normal on-off commuting time period of a working day, the weather of the day when the illegal occupation of the fire passage occurs does not have a special weather condition set by a system, the traffic flow near the fire passage is lower than a traffic flow threshold value, and the pedestrian flow near the fire passage is lower than a pedestrian flow threshold value, the risk value of the short-time encroachment state is estimated to be low.
Wherein the special weather conditions include: the temperature of the day is higher than a normal temperature threshold value, the air humidity of the day is less than sixty percent, the frequency of precipitation in a region on the day is cut off and is lower than a precipitation frequency threshold value, and the wind power level of the day is higher than a wind level threshold value;
s303: when the risk value obtained by the evaluation in the step S302 is higher than the risk threshold value, the short-time encroachment state is converted into the long-time encroachment state, vehicle information is obtained, the contact way of the vehicle owner is inquired, the lane occupation warning information is sent, the hidden danger processing instruction is sent to the security management personnel, and meanwhile the face information of the vehicle owner is combined with the monitoring video near the fire fighting access to generate a vehicle owner track which is sent to the security management personnel;
s304: when the risk value obtained by the evaluation in the step S302 is lower than the risk threshold value or the early warning timing does not exceed the time threshold value, vehicle information is obtained, the contact way of the vehicle owner is inquired, and the road occupation warning information is sent;
s400: correspondingly adjusting the encroachment state according to the analysis processing result obtained in the step S300;
s500: and sending a processing instruction according to the covering area condition of the non-motor vehicle obstacle once the second early warning mode is started.
Wherein, step S500 includes:
s501: when the covering area of the non-motor vehicle obstacle to the fire fighting channel warning line is larger than a covering threshold value and the weight of the non-motor vehicle obstacle exceeds a weight threshold value, sending a hidden danger processing instruction to an administrator;
s502: when the covering area of the non-motor vehicle obstacle to the warning channel warning line is smaller than a covering threshold value and the weight of the non-motor vehicle obstacle does not exceed a weight threshold value, starting early warning timing, and when the early warning timing exceeds a set time value, sending a hidden danger processing instruction to an administrator; and when the early warning timing does not exceed the set time value, the second early warning mode is released.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a fire control passageway early warning system based on 5G which characterized in that: the early warning system comprises a monitoring camera device, an early warning mode selection module, an early warning prompt device and an encroachment state analysis processing module;
the monitoring camera device is used for monitoring a limited area inside the fire fighting access field and outside the fire fighting access field in real time; the early warning mode selection module is used for carrying out mode-division processing on different occupied conditions of the fire fighting channel; the early warning prompting device is used for sending out early warning prompts in cooperation with different processing conditions in the early warning mode selection module, and comprises a sound device and a display device; the sound device comprises a loudspeaker and a loudspeaker, and the display device comprises a display screen and a warning lamp; and the encroachment state analysis processing module is used for performing preliminary state estimation and state conversion on the common motor vehicle obtained in the early warning mode selection module.
2. A 5G-based fire fighting access early warning system according to claim 1, wherein: the early warning mode selection module comprises a first early warning unit and a second early warning unit; the intrusion state analysis processing module comprises a state analysis unit and a state processing unit; the state processing unit comprises an early warning timing unit and a risk value evaluation unit;
the first early warning unit is used for completing early warning analysis when the fire fighting access is occupied by a motor vehicle obstacle; the second early warning unit is used for completing early warning analysis when the fire fighting access is occupied by the non-motor vehicle obstacle;
the state analysis unit is used for receiving the pre-action characteristic information of the common motor vehicle obtained by the first early warning unit and finishing the primary estimation of the intrusion state or the lane borrowing state of the common motor vehicle; the state processing unit is used for further analyzing the intrusion state of the common motor vehicle, further dividing the intrusion state into a long-time intrusion state and a short-time intrusion state and completing state conversion analysis of the short-time intrusion state;
the early warning timing unit is used for early warning countdown to assist the state processing unit in completing state conversion analysis of a short-time encroachment state; and the risk value evaluation unit is used for monitoring the weather condition of the day on which early warning occurs and assisting the state processing unit to complete state conversion analysis of the short-time encroachment state.
3. A 5G-based fire fighting access early warning system according to claim 2, wherein: the first early warning unit comprises a vehicle identification unit, a vehicle characteristic identification unit and a vehicle preaction identification unit; the second early warning unit comprises an area calculation unit;
the vehicle identification unit is used for completing the identification of motor vehicle obstacles and non-motor vehicle obstacles; the vehicle characteristic identification unit is used for completing intelligent identification of a common motor vehicle and a fire engine; the vehicle pre-action recognition unit is used for analyzing and processing pre-action characteristics of a common motor vehicle; and the area calculation unit is used for calculating the covering area of the fire fighting access warning line by the non-motor vehicle obstacle.
4. A 5G-based fire fighting access early warning system according to claim 1, wherein: the early warning system comprises a fire fighting access early warning method:
s100: monitoring a limited area inside the fire fighting access field and outside the fire fighting access field in real time; when the overlapping area of the motor vehicle and a limited area outside the fire fighting access field is larger than the overlapping area threshold value set by the system, starting a first early warning mode; when the non-motor vehicle obstacle covers the area of the warning line in the fire fighting channel field, triggering a warning reminding device in the fire fighting channel to send out a warning prompt, and simultaneously starting a second warning mode; the non-automotive barrier comprises a non-automotive vehicle and a solid barrier;
s200: triggering the early warning system to generate a first early warning signal and simultaneously sending a first identification instruction once the first early warning mode is started; the early warning system intelligently identifies the vehicle characteristics of the motor vehicle, and when the motor vehicle is a fire engine as the identification result, a first early warning signal is removed; when the recognition result shows that the motor vehicle is a common motor vehicle, triggering the system to generate a second recognition instruction, and carrying out pre-action recognition on the common motor vehicle by the system to obtain a preliminary presumption result; the preliminary estimation result includes: encroachment state, lane borrowing state; further vehicle state confirmation is carried out on the preliminary estimation result;
s300: when the vehicle state received by the system shows that the vehicle is a vehicle for borrowing, triggering a warning reminding device in the fire fighting channel to send out a warning prompt; when the vehicle state received by the system shows that the vehicle is encroached, triggering a warning reminding device in the fire fighting channel to send out a warning prompt and simultaneously starting to acquire vehicle information for the common motor vehicle and further analyze and process the encroaching state;
s400: correspondingly adjusting the encroachment state according to the analysis processing result obtained in the step S300;
s500: and sending a processing instruction according to the covering area condition of the non-motor vehicle obstacle once the second early warning mode is started.
5. A 5G-based fire fighting access early warning system according to claim 1, wherein: the pre-action recognition in the step S200 includes the following steps:
when the included angle formed by the longitudinal vehicle body line of the common motor vehicle and the warning line of the fire fighting access is in an interval of [0, 45 degrees ], preliminarily presuming that the common motor vehicle is in a lane borrowing state; when the included angle formed by the longitudinal vehicle body line of the common motor vehicle and the warning line of the fire fighting access is in the interval of [45 degrees and 90 degrees ], preliminarily presuming that the common motor vehicle is in an encroaching state;
the common motor vehicle enters a limited area outside the fire fighting access field, until a video monitoring image within a period of time threshold which is preliminarily determined to be a lane borrowing state is subjected to frame division processing to obtain a video frame division image, and the tire swing direction of the common motor vehicle in the video frame division image is analyzed; recording an included angle between the swinging direction of the tire of the common motor vehicle and a longitudinal vehicle body line of the common motor vehicle as A, recording an included angle formed by the swinging direction of the tire of the common motor vehicle and a warning line of the fire fighting channel as B, recording the number of times that the accumulated included angle A swings into an interval [15 degrees, 45 degrees ] or an interval [ -45 degrees, 0] from the interval [0, 15 degrees ] within the period threshold value as Y, and recording the number of times that the accumulated included angle B swings into the interval [45 degrees, 90 degrees ] as T;
when Y is greater than T and the preliminary determination result shows that the common motor vehicle is in a lane borrowing state, determining the common motor vehicle as a lane borrowing vehicle; when Y is greater than T and the preliminary judgment result shows that the common motor vehicle is in an encroaching state, calling a video frame image corresponding to the occurrence times Y to analyze the road condition where the common motor vehicle is located, calling a video frame image corresponding to the occurrence times T to analyze the road condition where the common motor vehicle is located if the density of the vehicles around the common motor vehicle is greater than a vehicle density threshold value, and determining the common motor vehicle as an encroaching vehicle if the density of the vehicles around the common motor vehicle is less than the vehicle density threshold value;
when Y is less than T and the preliminary determination result shows that the common motor vehicle is in an encroaching state, determining the common motor vehicle as an encroaching vehicle; and when Y is less than T and the primary judgment result shows that the common motor vehicle is in a lane borrowing state, the corresponding video frame image corresponding to the occurrence times T is taken to analyze the road condition of the common motor vehicle, if the vehicle density around the common motor vehicle is less than a vehicle density threshold value, the video frame image corresponding to the occurrence times Y is taken to analyze the road condition of the common motor vehicle, and if the vehicle density around the common motor vehicle is greater than the vehicle density threshold value, the common motor vehicle is determined as a lane borrowing vehicle.
6. A 5G-based fire fighting access early warning system according to claim 1, wherein: the further analysis of the encroachment status in step S300 includes the following:
when the common motor vehicle parked in the fire fighting access is monitored not to be flamed out, and a person or a vehicle owner in the common motor vehicle does not exceed a distance threshold value from the common motor vehicle, the common motor vehicle is presumed to belong to a short-time encroachment state;
and when the common motor vehicle parked in the fire fighting access is monitored to be flameout and no person or the owner of the common motor vehicle exceeds a distance threshold value from the common motor vehicle, the common motor vehicle is presumed to be in a long-time encroachment state.
7. A 5G-based fire fighting access early warning system according to claim 1, wherein: the further processing of the encroachment state in step S300 includes the following:
s301: acquiring vehicle information of the vehicle in the long-time encroaching state, inquiring the contact way of a vehicle owner, sending lane occupation warning information, sending a hidden danger processing instruction to an administrator, and simultaneously combining the facial information of the vehicle owner with a monitoring video near a fire channel to generate a vehicle owner track and sending the vehicle owner track to the administrator;
s302: for the vehicle in the short-time encroachment state, triggering a warning reminding device in the fire fighting access again to send out a warning prompt and start warning timing, and simultaneously evaluating the risk value of the short-time encroachment state;
s303: when the risk value obtained by the evaluation in the step S302 is higher than the risk threshold value, the short-time encroachment state is converted into the long-time encroachment state, vehicle information is obtained, the contact way of the vehicle owner is inquired, the lane occupation warning information is sent, the hidden danger processing instruction is sent to the security management personnel, and meanwhile the face information of the vehicle owner is combined with the monitoring video near the fire fighting access to generate a vehicle owner track which is sent to the security management personnel;
s304: when the risk value obtained by the evaluation in the step S302 is lower than the risk threshold, or when the early warning timing does not exceed the time threshold, the vehicle information is acquired, the contact information of the vehicle owner is inquired, and the road occupation warning information is sent.
8. A 5G-based fire fighting access early warning system according to claim 1, wherein: the step S500 includes:
s501: when the covering area of the non-motor vehicle obstacle on the fire fighting access warning line is larger than a covering threshold value and the weight of the non-motor vehicle obstacle exceeds a weight threshold value, sending a hidden danger processing instruction to an administrator;
s502: when the covering area of the non-motor vehicle obstacle on the fire fighting access warning line is smaller than a covering threshold value and the weight of the non-motor vehicle obstacle does not exceed a weight threshold value, starting early warning timing, and when the early warning timing exceeds a set time value, sending a hidden danger processing instruction to an administrator; and when the early warning timing does not exceed the set time value, the second early warning mode is released.
9. A 5G-based fire fighting access early warning system according to claim 7, wherein: the step S302 of starting to evaluate the risk value of the short-time encroachment state includes:
when the time period of illegal occupation of the ordinary vehicle is in the normal on-off commuting time period of a working day, the weather of the fire passage on the day of illegal occupation accords with the special weather condition set by the system, the traffic flow near the fire passage is higher than the traffic flow threshold value, and the people flow near the fire passage is higher than the people flow threshold value, the risk value of the short-time encroachment state is presumed to be high;
when the time period of illegal occupation of the ordinary vehicle is not in the normal on-off commuting time period of a working day, the weather of the day when the illegal occupation of the fire passage occurs does not have a special weather condition set by a system, the traffic flow near the fire passage is lower than a traffic flow threshold value, and the pedestrian flow near the fire passage is lower than a pedestrian flow threshold value, the risk value of the short-time encroachment state is estimated to be low.
10. A 5G-based fire fighting access early warning system according to claim 8, wherein: the special weather conditions include: the temperature of the day is higher than a normal temperature threshold value, the air humidity of the day is less than sixty percent, the frequency of precipitation in a region on the day is cut off and is lower than a precipitation frequency threshold value, and the wind level of the day is higher than a wind level threshold value.
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