CN109887235B - Construction operation district safety alarm device - Google Patents
Construction operation district safety alarm device Download PDFInfo
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- CN109887235B CN109887235B CN201910244555.3A CN201910244555A CN109887235B CN 109887235 B CN109887235 B CN 109887235B CN 201910244555 A CN201910244555 A CN 201910244555A CN 109887235 B CN109887235 B CN 109887235B
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Abstract
The invention provides a safety alarm device for a construction operation area, which comprises a detection device, an information integration device, a control device, a wireless communication device and an alarm device, wherein the detection device is used for acquiring vehicle speed data of vehicles coming from and going to the construction area and distance data from a traffic cone and transmitting the detected data to the information integration device; the control device is used for receiving the detection data packet, making an early warning decision according to the detection data and transmitting the early warning decision to each alarm device through the wireless communication device; each alarm device is used for making corresponding early warning response according to the early warning decision; the invention provides a method for carrying out early warning decision based on parking probability and real-time distance between a vehicle and a traffic cone, so that the early warning decision is more accurate and reliable.
Description
Technical Field
The invention relates to the field of construction operation area safety, in particular to a safety alarm device for a construction operation area.
Background
In the process of highway construction operation, if no protection is set or the protection measures are not in place, the vehicles coming and going around the construction area can drive into the construction area, the personal safety of construction machinery and operators can be seriously threatened, and even serious consequences can be caused. Along with the continuous increase of the work load of highway maintenance and the gradual increase of highway reconstruction and extension projects in China, the number of highway construction areas is gradually increased.
Devices such as safety cones and warning boards are often used in the existing safety measures of construction areas to remind vehicles coming and going, sound and light alarm devices are arranged in construction areas to remind workers in the construction areas to avoid dangers, and the warning devices are affected by positions, surrounding environments and the like, so that early warning and reminding can not be carried out on the workers timely and effectively. Once a vehicle breaks into a construction area, a constructor is not reminded of early warning in time, and serious damage can be caused to the constructor and construction equipment.
Therefore, it is necessary to design a safety alarm device for a construction work area, which can provide an effective alarm to workers in the construction area, by using modern sensing technology, wireless communication technology, and the like. The vehicle condition is monitored in real time and timely and effective early warning information is provided. And when the worker in the construction area has an accident, the worker can be quickly informed to rescue the worker.
Disclosure of Invention
The invention aims to provide a safety alarm device for a construction operation area, which solves the problems of inaccurate early warning judgment and untimely perception of workers in the conventional road construction area.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides a safety alarm device for a construction operation area, which comprises a detection device, an information integration device, a control device, a wireless communication device and an alarm device, wherein the detection device is used for acquiring vehicle speed data of vehicles coming from and going to the construction area and distance data from a traffic cone and transmitting the detected data to the information integration device; the control device is used for receiving the detection data packet, making an early warning decision according to the detection data and transmitting the early warning decision to each alarm device through the wireless communication device; and each alarm device is used for making corresponding early warning response according to the early warning decision.
Preferably, the detection device comprises a vehicle detection device, wherein the vehicle detection device is used for detecting the current vehicle speed v of the vehicles approaching to and from the construction area in real time0And the distance x of the vehicle from the traffic cone0(ii) a Meanwhile, the collected data information is transmitted to an information integration device for integration.
Preferably, the vehicle detection means is a doppler detector.
Preferably, the specific method for the control device to make the early warning decision according to the detection data is that the method comprises the following steps:
s1: respectively calculating the traffic cones of the vehicles according to the received basic detection dataProbability of forward stop PstopAnd a predicted stopping distance x required for the vehicle to decelerate to a stop at the current vehicle speedc(ii) a The basic detection data includes the current speed v of the vehicle0Distance x from vehicle to traffic cone0；
S2: according to the stopping probability PstopPredicting the stopping distance xcAnd the actual distance x of the vehicle from the detection device0Making an early warning decision; and transmitting the early warning decision to each alarm device through the wireless communication device.
Preferably, in S1, the parking probability PstopThe specific calculation of (A) is as follows:
Kstop＝β0+β1*v0+β2*x0 (1)
Pstop＝[1+exp(-Kstop)]-1 (2)
wherein, beta0＝0.798；β1＝-0.35；β2＝0.455；x0The current distance between the vehicle and the traffic cone is m; probability of parking PstopIs taken as Pstop∈[0,1]；
The vehicle decelerates to the predicted stopping distance x required for stopping at the current vehicle speedcIs calculated as:
wherein: v. of0The unit is the current speed of the running vehicle and is m/s; v is the vehicle speed when the vehicle stops, and the value is 0 m/s; delta is the perceived reaction time of the driver, with the unit of s; here, the value is 2.5 s; a is the comfortable deceleration of the vehicle in m/s2(ii) a Set to 3.41m/s2。
Preferably, in S2, the probability P of stopping the vehicle when it isstopNot less than 90% and xc＜x0When the alarm is in use, the early warning control device does not make any early warning decision; when the parking probability of the vehicle is 60% < Pstop< 90% and xc＜x0When the alarm control device is in use, the alarm control device makes low-level early warning decision; when the parking probability of the vehicle is 30 percent＜PstopLess than or equal to 60 percent and xc≤x0Then, the alarm control device makes a middle-level early warning decision; probability of parking of vehicle Pstop< 30% or xc≥x0And the alarm device makes advanced early warning decision.
Preferably, the detection device further includes a toppling detection device for detecting a toppling state of the attached temporary facility; specifically, the method comprises the following steps: the dumping detection device is an angle sensor, is arranged at the top of the traffic cone and is used for measuring the state information of an included angle between the traffic cone and the ground.
Preferably, the control device is used for receiving the inclination angle information of the traffic cone and the road surface in the vertical direction measured by the angle sensor, comparing the data information with a set threshold value, and when the data information is greater than the set threshold value, determining that the traffic cone topples; and then the alarm device is controlled to make advanced early warning decision.
Compared with the prior art, the invention has the beneficial effects that:
according to the construction operation area safety alarm device, the reliability of key data collection is effectively guaranteed in a mode that the detection device and the dumping device carry out data collection together, mutual verification is carried out according to the parking probability of a detected vehicle to a traffic cone and the real-time distance between the vehicle and the traffic cone, the mutual verification is carried out and the mutual verification acts on a final decision result, so that the decision is more accurate, and meanwhile, the multi-stage alarm device is adopted, so that construction area workers can sense danger in time and make corresponding evasive actions; in the conventional method, whether the vehicle is in danger of running into the construction area is judged according to data such as initial speed, distance and acceleration of the vehicle collected by a monitoring facility, and the data of the decision method is relatively single.
Furthermore, the invention provides a method for carrying out early warning decision based on the parking probability and the real-time distance between the vehicle and the traffic cone, so that the early warning decision is more accurate and reliable.
Drawings
Fig. 1 is a schematic structural diagram of the alarm device of the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the construction work area safety alarm device provided by the invention comprises a detection device, an information integration device, a control device, a wireless communication device and an alarm device, wherein the detection device is used for acquiring vehicle speed data of vehicles coming and going from a construction area, distance data from a traffic cone and dumping state data of the traffic cone and transmitting the detected data to the information integration device, and the information integration device integrates and packages the detected data through a multi-database integration scheme; the control device is used for receiving the detection data packet, making an early warning decision according to the detection data and transmitting the early warning decision to each alarm device through the wireless communication device; and each alarm device is used for making corresponding early warning response according to the early warning decision.
Specifically, the method comprises the following steps:
the detection device comprises a dumping detection device and a vehicle detection device, wherein the dumping detection device is used for detecting the dumping state of the attached temporary facility; the vehicle detection device is used for detecting the speed of vehicles approaching to and from the construction area and the distance between the vehicles and the detection device in real time.
The vehicle detection device is a Doppler detector;
the toppling detection device is an angle sensor, is arranged at the top of the traffic cone and is used for measuring the state information of an included angle between the traffic cone and the ground, and when the inclination angle of the traffic cone in the vertical direction of the traffic cone and the road surface, which is measured by the angle sensor on the traffic cone, exceeds a set threshold value of 45 degrees, the traffic cone is determined to topple.
The alarm device comprises a wristwatch device, a portable alarm device and an audible and visual alarm device, wherein the wristwatch device is used for receiving an early warning decision sent by the control device, generating vibration of a corresponding level which can be obviously sensed by a wearing person and timely contacting a rescue worker when the person is injured;
the portable alarm device is used for receiving the early warning decision of the alarm control device and making responses of flashing and voice alarm;
the sound-light alarm device is used for receiving the early warning decision transmitted by the wireless communication device and immediately making sound alarm and flash alarm response.
The wristwatch device comprises a vibration module, an emergency communication module and a power supply, wherein the power supply is a lithium battery; the vibration module is used for making vibration responses with corresponding levels with obvious perception differences according to the early warning decision; the vibration response is classified into a slight vibration, a moderate vibration, and a strong vibration. The emergency communication module is used for pressing an emergency communication button on the wristwatch when a constructor is in an accident to cause personal injury, and the wristwatch can immediately dial a preset rescue call so as to enable the injured person to be rescued in time;
the vibration module is a vibrator.
The emergency communication module is an alarm device of a mobile phone remote control system with a UPS.
The power supply supplies power to the vibration module and the emergency communication module.
The portable alarm device is used for receiving the early warning decision of the alarm control device and making responses of flashing and voice alarm; the LED flashlight comprises an LED flashlight and a loudspeaker, wherein the LED flashlight is directly attached to a striking position on a work clothes of a worker, such as the position of the chest, the position of the back and the like; the loudspeaker is attached to the shoulder position of the work clothes, so that workers can hear the voice alarm content clearly.
The LED flash lamp and the loudspeaker are powered by independent lithium batteries and are electrically connected with the receiving end of the wireless communication device 2.
The sound and light alarm device is arranged near the construction area; the system is used for receiving the early warning decision transmitted by the wireless communication device and immediately making sound alarm and flash alarm response; the acousto-optic alarm adopts a model LTE-1101/1102/1201
The control device is a common singlechip, such as 8051 singlechip.
The specific method for the control device to make the early warning decision according to the detection data comprises the following steps:
s1: receiving basic detection data transmitted from a wireless communication device, and performing basic detectionThe data including the current speed v of the vehicle0Distance x of vehicle from traffic cone0And the dumping status of the traffic cone;
s2: respectively calculating the stopping probability P of the vehicle in front of the traffic cone according to the detection data obtained in the step S1stopAnd a predicted stopping distance x required for the vehicle to decelerate to a stop at the current vehicle speedc；
Wherein the parking probability value is Pstop∈[0,1]The specific calculation is as follows:
Kstop＝β0+β1*v0+β2*x0 (1)
Pstop＝[1+exp(-Kstop)]-1 (2)
wherein, beta0＝0.798；β1＝-0.35；β2＝0.455；x0The current distance between the vehicle and the traffic cone is m;
the vehicle decelerates to the predicted stopping distance x required for stopping at the current vehicle speedcIs calculated as:
wherein: v. of0The unit is the current speed of the running vehicle and is m/s; v is the vehicle speed when the vehicle stops, and the value is 0 m/s; delta is the perceived reaction time of the driver, with the unit of s; here, the value is 2.5 s; a is the comfortable deceleration of the vehicle in m/s2(ii) a Set to 3.41m/s2。
S3: according to the stopping probability PstopPredicting the stopping distance xcActual distance x of vehicle from detection device0Making an early warning decision whether the traffic cone topples over or not; and transmitting the early warning decision to each alarm device through the wireless communication device.
Specifically, the method comprises the following steps:
first, when the vehicle stops the probability PstopNot less than 90% and xc＜x0In time, the detected vehicle can not cause potential threat to the construction area, the vehicle is in a lower speed or the driver is comfortableThe vehicle can be completely stopped before the traffic cone when the braking deceleration is carried out, and the early warning control device does not make any early warning decision.
Secondly, when the parking probability of the vehicle is 60% < Pstop< 90% and xc＜x0When the vehicle is running, the vehicle is stopped completely within a certain safety distance before the traffic cone, the alarm control device makes low-level early warning decision to make the vibration module in the wristwatch device produce slight vibration which can be obviously sensed by human body, the flash lamp of the portable alarm device is electrified and flickered, and the sound and light alarm device makes sound alarm and flashing alarm response.
Thirdly, when the parking probability of the vehicle is 30% < PstopLess than or equal to 60 percent of 3 and xc≤x0When the vehicle continues to run according to the current running track at the current speed, the driver can adopt comfortable deceleration to continuously decelerate until the vehicle stops completely, the vehicle approaches the traffic cone and possibly bumps down the traffic cone, the alarm control device makes a middle-level early warning decision, so that the vibration module in the wrist watch device generates vibration which can be obviously sensed by a human body, and the portable alarm device receives the early warning decision to make responses of power-on flashing and voice alarm. The voice broadcast content is 'approaching to the vehicle and please note'. The sound and light alarm device makes sound alarm and flash alarm response.
Fourthly, the parking probability P of the vehiclestop< 30% or xc≥x0When the vehicle inevitably collides the traffic cone or the traffic cone is knocked down by the current speed and the driving track of the vehicle, the alarm device makes a high-level early warning decision, so that the vibration module connected with the wristwatch device generates strong vibration which can be obviously sensed by a human body, the loudspeaker of the portable alarm device repeatedly broadcasts voice, the vehicle rushes into the portable alarm device and the portable alarm device immediately avoids the vehicle, and the sound and light alarm device makes sound alarm and flash alarm response. The working personnel in the construction area can immediately sense and find the dangerous information and quickly evacuate to the safe area.
The wireless communication device employs a zigbee communication protocol operating at a frequency of 2.4GHz and a corresponding communication module.
Detection device, information integration device and wireless communication device are integrated into the integral type structure, depend on temporary facilities such as awl bucket jointly on, are supplied power alone by the lithium cell.
The position of the vehicle detection device can be adjusted in angle through parts such as a stretching rod and the like according to needs so as to meet the needs of complex road terrains.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention.
Claims (6)
1. A safety alarm device for a construction operation area is characterized by comprising a detection device, an information integration device, a control device, a wireless communication device and an alarm device, wherein the detection device is used for acquiring vehicle speed data of vehicles coming from and going to a construction area and distance data from a traffic cone and transmitting the detected data to the information integration device; the control device is used for receiving the detection data packet, making an early warning decision according to the detection data and transmitting the early warning decision to each alarm device through the wireless communication device; each alarm device is used for making corresponding early warning response according to the early warning decision;
the specific method for the control device to make the early warning decision according to the detection data comprises the following steps:
s1: respectively calculating the parking probability P of the vehicle in front of the traffic cone according to the received basic detection datastopAnd a predicted stopping distance x required for the vehicle to decelerate to a stop at the current vehicle speedc(ii) a The basic detection data includes the current speed v of the vehicle0Distance x from vehicle to traffic cone0；
S2: according to the parking probability PstopPredicting the stopping distance xcAnd the actual distance x of the vehicle from the detection device0Making an early warning decision; and pass the early warning decisionThe wireless communication device transmits the information to each alarm device;
in S1, the parking probability PstopThe specific calculation of (A) is as follows:
Kstop＝β0+β1*v0+β2*x0 (1)
Pstop＝[1+exp(-Kstop)]-1 (2)
wherein, beta0＝0.798；β1＝-0.35；β2＝0.455；x0The current distance between the vehicle and the traffic cone is m; probability of parking PstopIs taken as Pstop∈[0,1]；
The vehicle decelerates to the predicted stopping distance x required for stopping at the current vehicle speedcIs calculated as:
wherein: v. of0The unit is the current speed of the running vehicle and is m/s; v is the vehicle speed when the vehicle stops, and the value is 0 m/s; delta is the perceived reaction time of the driver, with the unit of s; here, the value is 2.5 s; a is the comfortable deceleration of the vehicle in m/s2(ii) a Set to 3.41m/s2。
2. A construction work zone safety warning device according to claim 1, wherein the detection means comprises vehicle detection means, wherein the vehicle detection means is adapted to detect in real time the current speed v of vehicles moving to and from the construction zone0And the distance x of the vehicle from the traffic cone0(ii) a Meanwhile, the collected data information is transmitted to an information integration device for integration.
3. A construction work area safety alarm device according to claim 2, wherein the vehicle detection means is a doppler detector.
4. A construction work according to claim 1The district safety warning device, wherein in S2, the probability P of the vehicle stopping when the vehicle stopsstopNot less than 90% and xc＜x0When the alarm is in use, the early warning control device does not make any early warning decision; when the parking probability of the vehicle is 60% < Pstop< 90% and xc＜x0When the alarm control device is in use, the alarm control device makes low-level early warning decision; when the parking probability of the vehicle is 30% < PstopLess than or equal to 60 percent and xc≤x0Then, the alarm control device makes a middle-level early warning decision; probability of parking of vehicle Pstop< 30% or xc≥x0And the alarm device makes advanced early warning decision.
5. The construction work area safety warning device according to claim 1, wherein the detection means further comprises a toppling detection means for detecting a toppling state of the attached temporary facility; the dumping detection device is an angle sensor, is arranged at the top of the traffic cone and is used for measuring the state information of an included angle between the traffic cone and the ground.
6. The construction work area safety alarm device according to claim 5, wherein the control device is configured to receive information of an inclination angle of the traffic cone in a direction perpendicular to a road surface, which is measured by the angle sensor, and compare the data information with a set threshold value, and when the data information is greater than the set threshold value, the traffic cone is considered to topple; and then the alarm device is controlled to make advanced early warning decision.
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| CN201910244555.3A CN109887235B (en) | 2019-03-28 | 2019-03-28 | Construction operation district safety alarm device |
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| CN109887235B true CN109887235B (en) | 2021-01-08 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110424294A (en) * | 2019-07-10 | 2019-11-08 | 东南大学 | A kind of multifunctional safe road cone and its application method |
| TWI706382B (en) * | 2019-08-26 | 2020-10-01 | 黃暐皓 | Smart lamp and site management system |
| CN112449456A (en) * | 2019-08-29 | 2021-03-05 | 黄炜皓 | Intelligent lamp and construction site management system |
| CN110941223B (en) * | 2019-12-24 | 2024-08-06 | 湖南省交通科学研究院有限公司 | Wisdom way awl system |
| CN111260881B (en) * | 2020-01-19 | 2020-10-02 | 中国十七冶集团有限公司 | Intelligent safety alarm system for construction operation of steel-making workshop and alarm method thereof |
| CN111326020A (en) * | 2020-03-05 | 2020-06-23 | 星觅(上海)科技有限公司 | Construction area supervision method, device, equipment and medium |
| CN114387785A (en) * | 2022-01-24 | 2022-04-22 | 陕西交通职业技术学院 | Safety management and control method and system based on intelligent highway and storable medium |
| CN114737499A (en) * | 2022-04-21 | 2022-07-12 | 中山市易路美道路养护科技有限公司 | Anti-collision warning device toppling detection and warning method |
| CN115497288A (en) * | 2022-09-06 | 2022-12-20 | 玺大建设工程有限公司 | Intelligent management early warning method, device and system for highway maintenance construction |
| CN116564111B (en) * | 2023-07-10 | 2023-09-29 | 中国电建集团昆明勘测设计研究院有限公司 | Vehicle early warning method, device and equipment for intersection and storage medium |
| CN116702300B (en) * | 2023-08-03 | 2023-11-07 | 华睿交通科技股份有限公司 | Wireless communication visual management system based on intelligent traffic cone |
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| US7978097B2 (en) * | 2007-12-03 | 2011-07-12 | International Business Machines Corporation | Dynamic speed limit system |
| CN103208166A (en) * | 2013-04-09 | 2013-07-17 | 宝鸡市公安局交通警察支队 | Early warning protection method for danger and intelligent early warning protector for dangerous events for road workers |
| CN104635720B (en) * | 2014-12-11 | 2018-01-19 | 上海天奕无线信息科技有限公司 | Vehicle safety method for early warning and system |
| CN204740704U (en) * | 2015-04-23 | 2015-11-04 | 交通运输部公路科学研究所 | Construction area safety precaution system |
| CN208225258U (en) * | 2018-05-30 | 2018-12-11 | 云南能源职业技术学院 | A kind of power construction safety pre-warning system based on Internet of Things |
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