CN213096379U - Human safety monitoring and alarm device based on safety helmet - Google Patents
Human safety monitoring and alarm device based on safety helmet Download PDFInfo
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- CN213096379U CN213096379U CN202021643632.7U CN202021643632U CN213096379U CN 213096379 U CN213096379 U CN 213096379U CN 202021643632 U CN202021643632 U CN 202021643632U CN 213096379 U CN213096379 U CN 213096379U
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Abstract
The utility model discloses a human safety monitoring and alarm device based on safety helmet, wherein human safety monitoring and alarm device based on safety helmet includes: the single chip microcomputer module, the server and the background monitoring module are sequentially in wireless connection, wherein the single chip microcomputer and the server establish communication transmission by utilizing the NB communication module. The utility model discloses a human safety monitoring and alarm device based on safety helmet, whether wearing personnel wear the safety helmet and whether wear normally through film pressure sensor real-time detection, when not wearing the safety helmet or wearing the nonstandard suggestion, and do not take or not wear normally many times in the same day and report to the police; through top acceleration sensor real-time detection wearing safety helmet personnel's motion gesture, judge whether tumble, fall to make statistics of and wear personnel's step number information, report to the police when the human body is in dangerous state, thereby prevent to wear that safety helmet personnel are lazy and not standardize the operation, personnel's personal safety is worn in the protection, guarantee building site safety operation.
Description
Technical Field
The utility model belongs to the technical field of safety helmet and human safety detection, concretely relates to human safety monitoring and alarm device based on safety helmet.
Background
In recent years, the construction industry in China is rapidly developed, but the safety problems of personnel during construction of a construction site are seriously influenced by the problems of incapability of monitoring of standard management and safety measures of workers, and the like, so that the detection and maintenance work of the standard management of the construction site, the wearing of safety equipment and the like must be enhanced, and the standard management of the construction site and the safety of the personnel are ensured.
The safety helmet is an important device for protecting personnel safety of construction site personnel in the construction process of a construction site, and is defined as a shallow round cap made of steel or similar raw materials and worn for protecting the top of the head, and a protective article for preventing impact objects from injuring the head. The helmet shell is hemispherical, firm, smooth and elastic, the impact and puncture kinetic energy of the hit object are mainly borne by the helmet shell, and a certain space is reserved between the helmet shell and the helmet liner, so that the instantaneous impact force can be buffered and dispersed, and the direct injury to the head can be avoided or reduced. Impact performance, puncture resistance, lateral rigidity, electrical insulation, and flame retardancy are requirements for the basic technical properties of safety helmets. At present, China indicates that workers entering a construction site must wear safety helmets in construction site standard management rules, and how to manage and control the safety helmets worn by the workers on the construction site and whether the workers wear the safety helmets or not and the working efficiency of the workers become a problem to be solved urgently along with the continuous increase of the number of the workers on the construction site and the dispersion of the workers in the construction stage.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a human safety monitoring and alarm device based on safety helmet, wear the personnel through film pressure sensor real-time detection and whether wear the safety helmet and wear whether standard, whether indicate when not wearing the safety helmet or wearing when not standard, wear the motion gesture of safety helmet personnel through gyro acceleration sensor real-time detection, judge whether tumble, fall, and make statistics of the step number information of wearing personnel, report to the police when the human body is in dangerous state, then send all data collections to the server through the singlechip module, make things convenient for the backstage surveillance center to carry out the analysis, the show.
The utility model adopts the technical proposal that: a human body safety monitoring and alarming device based on a safety helmet comprises a sensor group module, a single chip microcomputer module, an alarming module, an NB communication module, a server and a background monitoring module, wherein the sensor group module, the alarming module and the NB communication module are all in wired connection with the single chip microcomputer module, the NB communication module, the server and the background monitoring module are sequentially in wireless connection and are fixedly connected with a safety helmet main body, and a baffle is fixedly connected to the front end of the safety helmet main body;
the sensor group module comprises a film pressure sensor arranged at the chin of the lower cheek band of the safety helmet and is used for acquiring the pressure generated when the chin of a wearer extrudes the lower cheek band of the safety helmet in real time, and further detecting whether the wearer wears the safety helmet regularly; and the gyro acceleration sensor is arranged at the top of the head inside the safety helmet and is used for acquiring the three-dimensional acceleration, the three-dimensional angular velocity and the three-dimensional attitude angle generated during the movement of the wearing person in real time, and then detecting whether the wearing person falls down or falls.
Preferably, a communication channel is established between the single chip microcomputer module and the server by using an NB-IOT (narrow band Internet of things) communication module based on honeycomb.
Preferably, the single chip microcomputer module and the server adopt a COAP communication protocol for data transmission.
Preferably, the gyro acceleration sensor is an MPU6050 gyro acceleration sensor.
Preferably, the membrane pressure sensor is an IMS-CO4A membrane pressure sensor, and the resistance R in the membrane pressure sensorIMSThe calculation formula of (2) is as follows:
RIMS＝(VREF/VOUT)*RG
where VREF is a given reference voltage, VOUT is the measured voltage, and RG is the feedback voltage.
Preferably, the resistance R in the thin film pressure sensorIMSThe calculation formula of (2) is as follows:
RIMS＝(VREF/VOUT)*RG
where VREF is a given reference voltage, VOUT is the measured voltage, and RG is the feedback voltage.
Preferably, a communication channel is established between the single chip microcomputer module and the server by using an NB-IOT cellular-based narrowband internet of things communication module for transmitting data to the background monitoring module.
Compared with the prior art, the human body safety monitoring and alarming device based on the safety helmet detects whether a wearing person wears the safety helmet or wears the safety helmet normally or not in real time through the film pressure sensor, prompts when the safety helmet is not worn or worn irregularly, and gives an alarm when the safety helmet is worn or worn irregularly for multiple times in the same day; through gyroscope acceleration sensor real-time detection wearing safety helmet personnel's motion gesture, judge whether tumble, fall to make statistics of and wear personnel's step number information, report to the police when the human body is in dangerous state, then send all data collections to the server through the singlechip module, make things convenient for backstage surveillance center to carry out analysis, show, thereby prevent to wear that safety helmet personnel are lazy and not standardize the operation, this is to wearing personnel's personal safety, guarantee building site safe operation has important meaning.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a block diagram of the present invention;
FIG. 3 is a flow chart of the present invention;
FIG. 4 is a schematic structural view of the present invention;
description of the reference numerals
The safety helmet comprises a sensor group module, 11-a film pressure sensor, 12-a gyro acceleration sensor, 2-a single chip microcomputer module, 3-an alarm module, 4-NB communication module, 5-a server, 6-a background monitoring module, 7-a baffle and 8-a safety helmet main body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The embodiment 1 of the utility model provides a human safety monitoring and alarm device based on safety helmet, as shown in fig. 1-4, including sensor group module 1, single chip module 2, alarm module 3, NB communication module 4, server 5 and backstage monitoring module 6, sensor group module 1, alarm module 3 and NB communication module 4 all with single chip module 2 wired connection, NB communication module 4, server 5 and backstage monitoring module 6 are in wireless connection in proper order;
the sensor group module 1 comprises a film pressure sensor 11 arranged at the chin of the lower cheek band of the safety helmet and used for collecting pressure generated when the chin of a wearer extrudes the lower cheek band of the safety helmet in real time so as to detect whether the wearer wears the safety helmet regularly; and a gyro acceleration sensor 12 installed at the top of the head inside the helmet is used for acquiring three-dimensional acceleration, three-dimensional angular velocity and three-dimensional attitude angle generated during the movement of the wearing person in real time, and further detecting whether the wearing person falls down or falls.
Thus, the film pressure sensor 11 is arranged at the chin of the lower cheek strap of the safety helmet, the pressure generated when the chin of a wearer extrudes the lower cheek strap of the safety helmet is collected in real time, whether the wearer wears the safety helmet or wears the safety helmet normally is detected in real time, a prompt alarm is given when the wearer does not wear the safety helmet or wears the safety helmet normally, the gyro acceleration sensor 12 is arranged at the top of the head inside the safety helmet, the three-dimensional acceleration, the three-dimensional angular velocity and the three-dimensional attitude angle of the wearer during movement are collected in real time, the movement attitude of the wearer is detected in real time, whether the wearer falls down or not is judged, the step number information of the wearer is counted, the alarm is given when the human body is in a dangerous state, all collected data are sent to the server through the single chip microcomputer module, the analysis and display are facilitated for the background monitoring center, and the lazy and nonstandard operation of the wearer is prevented, the personal safety of the wearing personnel is protected, and the safe operation of the construction site is guaranteed.
And a communication channel is established between the singlechip microcomputer module 2 and the server 5 by utilizing an NB-IOT (narrow band Internet of things) communication module based on honeycomb.
Therefore, a communication channel can be established between the single chip microcomputer module 2 and the server 5 through the narrow-band Internet of things based on the NB-IOT honeycomb, so that the single chip microcomputer module 2 and the server 5 can communicate with each other, and the background monitoring module 6 can analyze and display conveniently.
And the chip module 2 and the server 5 adopt a COAP communication protocol for data transmission.
Therefore, data transmission can be carried out between the single chip microcomputer module 2 and the server 5 through the COAP communication protocol, so that the background monitoring module 6 can acquire data information of the sensor group module 1 in real time.
The gyro acceleration sensor 12 is an MPU6050 gyro acceleration sensor.
In this way, the gyro acceleration sensor 12 is an MPU6050 gyro acceleration sensor, each frame of data sent to the upper computer is divided into 3 data packets, which are an acceleration packet, an angular velocity packet, and an attitude angle packet, and the 3 data packets are sequentially output. The sensor is arranged at the top of the head of the helmet and can detect the motion posture of a wearer. The sensor is used for detecting the falling, falling and step counting of the human body in real time, processing the acquired three-dimensional data of the acceleration, the angular velocity and the attitude angle, alarming at dangerous moments and uploading the data to a database.
The gyro acceleration sensor adopts an MPU6050, and the voltage: 3V to 24V, current: <10mA, volume: 17.8mm X17.8 mm, weight: 1.1g, pad pitch: upper and lower 100mil (2.54mm), left and right 600mil (15.24mm), measurement dimension: acceleration: three-dimensional, angular velocity: three-dimensional, attitude angle: three-dimensional, measuring range: acceleration: ± 16g, angular velocity: . + -. 2000 °/s, resolution: acceleration: 6.1e-5g, angular velocity: 7.6e-3 °/s, stability: acceleration: 0.01g, angular velocity 0.05 °/s attitude measurement stability: 0.01 degrees, read MPU 6050's measured data through the treater then through serial ports output data, accomplish to tumble, fall, meter step function.
The membrane pressure sensor 11 is an IMS-CO4A membrane pressure sensor.
In this way, the film pressure sensor 11 is an IMS-CO4A (small-range) film pressure sensor, and is used for testing the force in the direction perpendicular to the plane of the sensor, and is a passive element formed by multilayer printing and packaging, and is used as a variable resistor, and the tested force is output and worn by using a set threshold value to detect whether the wearing is normal or not, and an alarm is given if the wearing is not normal or not.
Resistance R in the thin film pressure sensor 11IMSThe calculation formula of (2) is as follows:
RIMS＝(VREF/VOUT)*RG
where VREF is a given reference voltage, VOUT is the measured voltage, and RG is the feedback voltage.
Therefore, VREF given by the formula is used for feeding back the resistor RG, calculating the real-time resistance by measuring VOUT, and prompting or alarming when the set threshold is reached.
The utility model discloses a human safety monitoring and alarm device based on safety helmet, whether wear the personnel and wear the safety helmet and whether standardize through film pressure sensor real-time detection, whether suggestion when not wearing the safety helmet or wearing the nonstandard, wear the motion gesture of safety helmet personnel through gyro acceleration sensor real-time detection, judge whether tumble, fall, and make statistics of the step number information of wearing personnel, report to the police when the human body is in dangerous state, then send all data collections to the server through the singlechip module, make things convenient for backstage surveillance center to analyze, the show, thereby prevent to wear that safety helmet personnel are lazy and not standardize the operation, this is to wearing personnel's personal safety, guarantee building site safe operation has important meaning.
Therefore, three-dimensional data of the acceleration, the angular velocity and the attitude angle collected by the gyro acceleration sensor are processed through the single chip microcomputer module, so that the alarm at dangerous moments is realized, and the data are uploaded to a database. Specifically, the method comprises the following steps: respectively processing the three-dimensional acceleration, the three-dimensional angular velocity and the three-dimensional attitude angle to obtain the resultant acceleration, the resultant angular velocity and the resultant attitude angle, denoising and smoothing the processed data through Gaussian filtering, and taking the wave crest of the processed resultant acceleration waveform as a counting method for the step counting function; and the falling utilizes the combined acceleration and the posture angle to reach the set threshold value and the duration time to alarm.
And a communication channel is established between the single chip microcomputer module and the server by utilizing an NB-IOT (NB-IOT) narrow-band Internet of things communication module based on honeycomb so as to transmit data to the background monitoring module.
Therefore, a communication channel can be established between the single chip microcomputer module and the server through the narrow-band Internet of things based on the NB-IOT honeycomb, so that the single chip microcomputer module and the server can communicate with each other conveniently, and the background monitoring module can analyze and display conveniently.
The utility model discloses a control method of a human body safety monitoring and alarming device based on a safety helmet, which detects whether a wearing person wears the safety helmet or wears the safety helmet regularly or not in real time through a film pressure sensor, prompts when the safety helmet is not worn or worn irregularly, and gives an alarm when the safety helmet is worn or worn irregularly for a plurality of times in the same day; the motion posture of a person wearing the safety helmet is detected in real time through a gyro acceleration sensor, whether the person is in a motion state or a static state is judged, whether the person falls down or not is judged, step number information of the person wearing the safety helmet is counted, an alarm is given when the person is in a dangerous state, then all collected data are transmitted to a server through an NB-IOT communication module by a single chip microcomputer module, the information such as the acceleration, the angular velocity, the attitude angle, the pressure and the alarm is sent to a server, analysis and display of a background monitoring center are facilitated, use of a user side is facilitated, real-time monitoring is achieved, meanwhile, certain help is provided for later-stage rescue, a foundation is laid for analysis of later-stage processing motion posture and wearing data, and therefore the person wearing the safety helmet is effectively prevented from being lazed and operating in an irregular mode, and the safety of the person wearing the.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. A human body safety monitoring and alarming device based on a safety helmet is characterized by comprising a sensor group module (1), a single chip microcomputer module (2), an alarming module (3), an NB communication module (4), a server (5) and a background monitoring module (6), wherein the sensor group module (1), the alarming module (3) and the NB communication module (4) are all in wired connection with the single chip microcomputer module (2), the NB communication module (4), the server (5) and the background monitoring module (6) are sequentially in wireless connection and are fixedly connected with a safety helmet main body (8), and a baffle (7) is fixedly connected to the front end of the safety helmet main body (8);
the sensor group module (1) comprises a thin film pressure sensor (11) which is arranged at the chin of the lower cheek band of the safety helmet and used for collecting the pressure generated when the chin of a wearer extrudes the lower cheek band of the safety helmet in real time so as to detect whether the wearer wears the safety helmet regularly; and a gyro acceleration sensor (12) arranged at the top of the head inside the safety helmet is used for acquiring three-dimensional acceleration, three-dimensional angular velocity and three-dimensional attitude angle generated during the movement of the wearing person in real time, and further detecting whether the wearing person falls down or not.
2. The safety helmet-based human body safety monitoring and alarming device of claim 1, wherein a communication channel is established between the single chip microcomputer module (2) and the server (5) by using an NB-IOT (NB-IOT) narrow-band Internet of things communication module based on a honeycomb.
3. The human body safety monitoring and alarming device based on the safety helmet as claimed in claim 2, wherein the single chip microcomputer module (2) and the server (5) are in data transmission by adopting a COAP communication protocol.
4. The safety-cap based human safety monitoring and alarm device of claim 1, wherein the gyro acceleration sensor (12) is an MPU6050 gyro acceleration sensor.
5. The safety-cap based personal safety monitoring and alarm device of claim 1, wherein the membrane pressure sensor (11) is an IMS-CO4A membrane pressure sensor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021643632.7U CN213096379U (en) | 2020-08-10 | 2020-08-10 | Human safety monitoring and alarm device based on safety helmet |
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| CN202021643632.7U CN213096379U (en) | 2020-08-10 | 2020-08-10 | Human safety monitoring and alarm device based on safety helmet |
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| CN213096379U true CN213096379U (en) | 2021-05-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114155679A (en) * | 2021-07-07 | 2022-03-08 | 中船第九设计研究院工程有限公司 | Safety management system in building construction |
| CN115920265A (en) * | 2022-11-29 | 2023-04-07 | 广东兆安安全设备有限公司 | Intelligent anti-falling system for high-altitude operation |
| CN116602475A (en) * | 2023-06-15 | 2023-08-18 | 宿迁学院产业技术研究院 | Monitoring safety building site cap and monitoring system with emergency rescue function |
-
2020
- 2020-08-10 CN CN202021643632.7U patent/CN213096379U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114155679A (en) * | 2021-07-07 | 2022-03-08 | 中船第九设计研究院工程有限公司 | Safety management system in building construction |
| CN115920265A (en) * | 2022-11-29 | 2023-04-07 | 广东兆安安全设备有限公司 | Intelligent anti-falling system for high-altitude operation |
| CN116602475A (en) * | 2023-06-15 | 2023-08-18 | 宿迁学院产业技术研究院 | Monitoring safety building site cap and monitoring system with emergency rescue function |
| CN116602475B (en) * | 2023-06-15 | 2024-01-23 | 宿迁学院产业技术研究院 | Monitoring safety building site cap and monitoring system with emergency rescue function |
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