CN110426746B - Wearing detection method for head-wearing type safety equipment - Google Patents

Wearing detection method for head-wearing type safety equipment Download PDF

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Publication number
CN110426746B
CN110426746B CN201910580031.1A CN201910580031A CN110426746B CN 110426746 B CN110426746 B CN 110426746B CN 201910580031 A CN201910580031 A CN 201910580031A CN 110426746 B CN110426746 B CN 110426746B
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China
Prior art keywords
head
safety device
worn
safety equipment
mounted safety
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CN201910580031.1A
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CN110426746A (en
Inventor
孔恒
乔国刚
段鹏俊
郭飞
田治州
常刚民
柴文东
姜淼
刘海建
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Beijing Municipal Construction Co Ltd
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Beijing Municipal Construction Co Ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • A61B5/02055—Simultaneously evaluating both cardiovascular condition and temperature
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802—Sensor mounted on worn items
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0028—Force sensors associated with force applying means
    • G01L5/0038—Force sensors associated with force applying means applying a pushing force
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver

Abstract

The application relates to a wearing detection method of head-mounted safety equipment, which judges whether the head-mounted safety equipment is in a standing state or not by monitoring the frequency of a vibration signal sent by a vibration sensor, and executes a subsequent detection step in a non-standing state to realize energy conservation. The position information of the safety equipment collected by the positioning device is used for judging whether the position of the head-mounted safety equipment is in a working area or not, and the subsequent detection step is executed when the head-mounted safety equipment is in the working area, so that the energy is further saved. Through the state detection of the vital sign detection device and the correlation type sensor, whether the wearer wears the head-wearing type safety equipment or not is identified, and the accuracy is high.

Description

Wearing detection method for head-wearing type safety equipment
Technical Field
The application relates to the field of head-worn safety equipment, in particular to a head-worn safety equipment wearing detection method.
Background
The head-worn safety equipment refers to protective equipment which is worn at the head position by all working personnel on a construction site. The head-wearing safety device has the functions of buffering, damping and stress dispersing, and when an object falls, the head-wearing safety device can effectively protect the head, the cervical vertebra and other parts of the human body from being injured. In a construction site, detection of the wearing condition of the safety helmet by a wearer is very necessary.
The traditional head-mounted safety equipment wearing detection method cannot accurately detect whether a wearer wears the head-mounted safety equipment or not under the condition of saving energy.
Disclosure of Invention
Therefore, it is necessary to provide a method for detecting whether a wearer wears a head-mounted safety device, aiming at the problem that the conventional scheme cannot accurately detect whether the wearer wears the head-mounted safety device under the condition of saving energy.
The application provides a head-mounted safety equipment wearing detection method, which comprises the following steps:
monitoring the frequency of a vibration signal sent by a vibration sensor, and judging whether the head-mounted safety equipment is in a standing state or not according to the frequency of the vibration signal sent by the vibration sensor; the vibration sensor is arranged on the head-mounted safety equipment;
if the head-mounted safety equipment is determined not to be in the standing state, sending a positioning detection instruction to a positioning device; the positioning device is arranged on the head-mounted safety equipment;
after the positioning device collects the position information of the safety equipment according to the positioning detection instruction, the position information of the safety equipment is obtained, and whether the position of the head-mounted safety equipment is in a working area or not is judged according to the position information of the safety equipment;
if the position of the head-mounted safety equipment is determined to be in the working area, sending a vital sign detection instruction to a vital sign detection device; the vital sign detection device is arranged on the head-mounted safety equipment;
acquiring vital sign information after the vital sign detection device acquires the vital sign information according to the vital sign detection instruction, and judging whether the vital sign information is matched with human body vital sign information or not;
if the vital sign information is matched with the human body vital sign information, further monitoring the state of the correlation sensor and judging whether the correlation sensor is in a connection state; the correlation sensor is arranged on the head-mounted safety equipment;
if the correlation sensor is in an off state, it is determined that the head-worn safety device is worn by the wearer.
The application relates to a wearing detection method of head-mounted safety equipment, which judges whether the head-mounted safety equipment is in a standing state or not by monitoring the frequency of a vibration signal sent by a vibration sensor, and executes a subsequent detection step in a non-standing state to realize energy conservation. The position information of the safety equipment collected by the positioning device is used for judging whether the position of the head-mounted safety equipment is in a working area or not, and the subsequent detection step is executed when the head-mounted safety equipment is in the working area, so that the energy is further saved. Through the state detection of the vital sign detection device and the correlation type sensor, whether the wearer wears the head-wearing type safety equipment or not is identified, and the accuracy is high.
Drawings
Fig. 1 is a schematic flow chart of a method for detecting wearing of a head-mounted security device according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a head-mounted safety device according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a head-mounted safety device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further 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 present application and are not intended to limit the present application.
The application provides a head-mounted safety equipment wearing detection method.
It should be noted that the method for detecting wearing of head-worn safety equipment provided by the present application does not limit the application field and application scenario thereof. Optionally, the head-mounted safety equipment wearing detection method provided by the application is applied to a construction site with high risk level. Alternatively, the head-worn safety device 10 may be a helmet worn by a construction worker.
The head-mounted safety equipment wearing detection method provided by the application is not limited to an execution main body. Alternatively, the subject of execution of the head-mounted safety device wearing detection method may be one or more processors 500 provided in the head-mounted safety device 10.
As shown in fig. 1, in an embodiment of the present application, the method for detecting wearing of a head-mounted safety device includes the following steps S100 to S700:
and S100, monitoring the frequency of the vibration signal sent by the vibration sensor 300. Further, it is determined whether the head-mounted safety device 10 is in the standing state according to the frequency of the vibration signal transmitted by the vibration sensor 300. The vibration sensor 300 is provided to the head-mounted safety device 10.
Specifically, the vibration sensor 300 may generate a vibration signal when sensing vibration. When the wearer wears the head-mounted safety device 10 or holds the head-mounted safety device 10, the human body is not in an absolutely stationary state but in an intermittent motion state. For example, a human body often moves, and various parts of the human body are in constant motion. Even if the human body is in a sleeping state, the skin of the human body is performing regular exercise. Therefore, the vibration sensor 300 may be provided in the head-mounted safety device 10 to determine whether the head-mounted safety device 10 makes contact with the wearer.
The vibration sensor 300 generates a vibration signal when it senses a vibration of the wearer contacting the head-worn security device 10 and sends the vibration signal to the processor 500. The processor 500 may determine whether the head-mounted safety device 10 is in the static state according to the frequency of the vibration signal transmitted by the vibration sensor 300.
S210, if it is determined that the head-mounted safety device 10 is not in the static state, sending a positioning detection instruction to the positioning device 410. The positioning device 410 is disposed on the head-worn safety device 10.
Specifically, when the processor 500 determines that the head-mounted safety device 10 is not in the resting state, the processor 500 switches the head-mounted safety device 10 to the operating state. At this time, the processor 500 sends a positioning detection command to the positioning device 410, and enters the next stage of detection.
S300, acquiring the location information of the security device after the positioning device 410 acquires the location information of the security device according to the positioning detection instruction. Further, whether the position of the head-mounted safety device 10 is in the working area is judged according to the safety device position information.
Specifically, the safety device position information is position information where the head-mounted safety device 10 is located. The work area may be set by an administrator of the construction site.
S410, if it is determined that the position of the head-mounted safety device 10 is in the working area, sending a vital sign detection instruction to a vital sign detection apparatus 420. The vital signs detecting device 420 is provided to the head-mounted safety apparatus 10.
Optionally, when the processor 500 determines that the position of the head-worn safety device 10 is not within the working area, the subsequent steps are interrupted, and the process returns to step S100. At this time, the processor 500 determines that the wearer is not in the work area even if the wearer wears the head-worn safety device 10, and it is not necessary to perform the subsequent detection step.
Conversely, when the processor 500 determines that the position of the head-worn security device 10 is within the work area, the processor 500 performs the subsequent detection step: a vital signs detection instruction is sent to the vital signs detection means 420.
S500, acquiring the vital sign information after the vital sign detecting device 420 acquires the vital sign information according to the vital sign detecting instruction. Further, whether the vital sign information is matched with the human body vital sign information or not is judged.
Specifically, the vital sign detection device 420 may collect vital sign information within a preset detection range in real time, and send the vital sign information to the processor 500. Further, the processor 500 determines whether the vital sign information matches with the human vital sign information. The purpose of this step is to determine whether the object in contact with the head-worn safety device 10 is a human body. The foregoing has determined that the head-worn safety device 10 is not in a resting state, but that the head-worn safety device 10 may be placed on a conveyor belt or other moving object, or may be in contact with an animal. Therefore, this step needs to be performed to determine that the head-worn safety device 10 is in direct contact with the human body.
And S600, if the vital sign information is matched with the human body vital sign information, further monitoring the state of the correlation sensor 600, and judging whether the correlation sensor 600 is in a connection state. The correlation sensor 600 is provided to the head-mounted safety device 10.
Specifically, if the vital sign information matches the human vital sign information, it is determined that the head-mounted safety device 10 is in contact with a human body. At this point, it remains uncertain whether the wearer is actually wearing the head-worn safety device 10. The wearer may hold the head-worn security device 10 in his or her hand and not be wearing his or her head, while still being able to detect the biometric information that matches the human biometric information.
Therefore, the processor 500 is further required to determine whether the head-mounted safety device 10 is worn by the wearer by determining whether the correlation sensor 600 is in the on state.
S710, if the correlation sensor 600 is not in the on state, it is determined that the head-mounted safety device 10 is worn by the wearer.
Specifically, the correlation sensor 600 includes a transmitting end 610 and a receiving end 620. The transmitting end 610 and the receiving end 620 are respectively disposed at two different regions of the inner surface of the housing 100. An optical path is formed between the transmitting end 610 and the receiving end 620. When the head-mounted safety device 10 is worn by the wearer, the light path is blocked by an object, and the correlation sensor 600 is in an off state. At this time, the receiving end 620 sends a feedback signal to the processor 500 to prompt the processor 500 that the wearer wears the head-mounted safety device 10.
It is understood that if the correlation sensor 600 is in the off state, it is determined that the head-mounted safety device 10 is worn by the wearer.
In this embodiment, whether the head-mounted safety device 10 is in the stationary state is determined by monitoring the frequency of the vibration signal transmitted by the vibration sensor 300, and the subsequent detection step is executed in the non-stationary state, thereby saving energy. The positioning device 410 collects the position information of the safety equipment, judges whether the position of the head-mounted safety equipment 10 is in a working area, and executes subsequent detection steps when the head-mounted safety equipment is in the working area, thereby further realizing energy conservation. Through the state detection of the vital sign detection device 420 and the correlation sensor 600, the identification of whether the wearer wears the head-mounted safety equipment 10 is realized, and the accuracy is high.
In an embodiment of the present application, the step S100 includes the following steps:
and S110, judging whether the frequency of acquiring the vibration signal is greater than or equal to N within a preset time period, wherein N is a positive integer.
Specifically, the preset time period and N may be set manually in advance. Optionally. A reasonable N value can be selected through a large number of vibration tests.
In this embodiment, the processor 500 determines whether the number of times of acquiring the vibration signal is greater than or equal to N within a preset time period, so as to monitor the frequency of the vibration signal sent by the vibration sensor 300.
In an embodiment of the present application, the step S210 includes the following steps S211 to S212:
s211, if the number of times of acquiring the vibration signal is greater than or equal to N, determining that the head-mounted safety device 10 is not in the static state. Further, the detection system 400 controlling the head-mounted safety device 10 switches to an active state.
Specifically, when the number of times of acquiring the vibration signal is greater than or equal to N, it can be understood that the head-mounted safety device 10 is in contact with a moving object at this time. The processor 500 may determine that the head-worn safety device 10 is not in a resting state. The processor 500 controls the detection system 400 of the head-mounted safety device 10 to switch to an operating state, and the power supply device in the head-mounted safety device 10 normally supplies power to the operating components in the head-mounted safety device 10.
S212, sending a positioning detection command to the positioning device 410.
Specifically, the positioning device 410 may collect the position information of the security device according to the positioning detection instruction.
In this embodiment, when the number of times of the vibration signal is greater than or equal to N, the detection system 400 of the head-mounted safety device 10 is controlled to switch to the working state, so that the working mode of the head-mounted safety device 10 is divided into the working state and the sleep state, and energy is saved.
In an embodiment of the application, after step S100, the method for detecting wearing of a head-worn safety device further includes:
s220, if it is determined that the head-mounted security device 10 is in the static state, controlling the detection system 400 of the head-mounted security device 10 to switch to the sleep state.
In particular, the detection system 400 comprises the positioning means 410 and the vital signs detection means 420. When the detection system 400 is in the sleep state, the power supply means in the head-mounted safety device 10 stops supplying power to the detection system 400.
In an embodiment of the present application, the step S220 includes the following steps S221 to S222:
s221, if the number of times of acquiring the vibration signal is less than N, determining that the head-mounted safety device 10 is in the stationary state.
S222, controlling the detection system 400 of the head-mounted security device 10 to switch to the sleep state.
Specifically, when the number of times of acquiring the vibration signal is less than N, it can be understood that the head-mounted safety device 10 is approximately in the rest state at this time. The processor 500 controls the detection system 400 of the head-worn security device 10 to switch to a sleep state. Optionally, the power supply means in the head-mounted safety device 10 stops supplying power to the working components in the head-mounted safety device 10.
In this embodiment, when the number of times of the vibration signal is less than N, the detection system 400 of the head-mounted security device 10 is controlled to switch to the sleep state, so that the working mode of the head-mounted security device 10 is divided into the working state and the sleep state, and energy is saved.
In an embodiment of the present application, after the step S230 and after the step S222, the step S200 further includes the following steps S223 to S224:
and S223, controlling the working components in the head-mounted safety device 10 to stop working for a preset sleep time period.
Specifically, at this time, the processor 500 may control the working components in the head-mounted safety device 10 to stop working for a preset sleep time period, so as to save power. The working components may include not only the locating means 410, but also the vital signs detecting means 420 of the detection system 400. The working components may further include the vibration sensor 300 and the correlation sensor 600.
S224, after the preset sleep time period elapses, returning to the step S100.
Specifically, after the preset sleep time period elapses, the processor 500 returns to perform the initial step S100.
In this embodiment, by setting the preset sleep time period, the sleep time of the head-mounted security device 10 can be controlled, and the head-mounted security device 10 is prevented from being in a sleep state all the time.
In an embodiment of the present application, the step S300 includes the following steps S310 to S320:
s310, obtain the location information of the security device sent by the positioning apparatus 410.
Optionally, the positioning device 410 may include a GPS module, and the GPS module may acquire the position information of the head-mounted safety device 10 in real time.
S320, extracting the work area location information from the server. Further, the safety device position information is compared with the working area position information, and whether the position of the head-mounted safety device 10 is in the working area is judged.
In particular, the work area position information may also be stored in the storage means of the head-mounted security device 10 instead of in the server. The work area position information may be extracted from the storage device of the head-mounted safety apparatus 10.
In this embodiment, by comparing the safety device position information with the working area position information, it can be determined whether the position of the head-worn safety device 10 is in the working area, so that the meaningless monitoring of the head-worn safety device 10 is avoided, and the power supply is saved.
In an embodiment of the present application, after step S300, the method for detecting wearing of a head-worn safety device further includes:
s420, if it is determined that the position of the head-mounted safety device 10 is not in the working area, controlling the detection system 400 of the head-mounted safety device 10 to switch to the sleep state.
Specifically, the sleep state in this embodiment may be consistent with the sleep state in step S220.
In an embodiment of the application, the vital sign information comprises one or more of pulse, temperature and blood pressure.
Specifically, the head-worn security device 10 may include a housing 100, a protective pad 210, and a strap 220. The protective pad 210 is fixed to the inner surface of the casing 100 to be in direct contact with the head of the wearer. The head-worn safety device 10 may be provided with a vital signs detection means 420 provided on the outer surface of the protective pad 210. The vital signs detecting means 420 may acquire one or more of the temperature and the blood pressure of the wearer when the head-worn safety device 10 is worn by the wearer.
The strap 220 is fixedly connected to the outer surface of the housing 100. The outer surface of the strap 220 may also be provided with a vital signs detector 420, and when the wearer fastens the strap 220 on the neck, the vital signs detector 420 may obtain the pulse of the wearer.
In this embodiment, by setting the vital sign information to include one or more of pulse, temperature, and blood pressure, the data size of the vital sign information may be increased, and the accuracy of matching the vital sign information with the human vital sign information may be improved.
In an embodiment of the present application, the step S710 includes the following steps S711 to S713:
s711, when the correlation sensor 600 is not turned on, further obtains a pressure value to which the pressure sensor 700 is subjected.
In particular, the pressure sensor 700 is provided in the head-worn safety device 10. In this embodiment, it is further possible to further accurately determine whether the head-mounted safety device 10 is worn by the wearer by acquiring the pressure value borne by the pressure sensor 700. Although the correlation sensor 600 is in the off state, there is a case where the wearer puts the limbs into the interior of the head-mounted safety device 10, and at this time, the correlation sensor 600 is also in the off state, but the wearer cannot be considered to be wearing the head-mounted safety device 10.
And S712, judging whether the pressure value born by the pressure sensor 700 is greater than or equal to a preset pressure threshold value.
In particular, it can be understood that by further acquiring the pressure value to which the pressure sensor 700 is subjected, it can be determined whether an object is present inside the head-mounted safety device 10 and, at the same time, the object exerts a sufficient pressure on the head-mounted safety device 10.
S713, if the pressure value borne by the pressure sensor 700 is greater than or equal to the preset pressure threshold, it is determined that the head-mounted safety device 10 is worn by the wearer.
In particular, if the pressure sensor 700 is subjected to a pressure value greater than or equal to the preset pressure threshold, it can be determined that the head of the wearer is indeed engaged with the inner surface of the head-mounted safety device 10. At this time, it may be determined that the head-worn safety device 10 is worn by the wearer.
Otherwise, it is determined that the head-worn safety device 10 is not worn by the wearer.
In this embodiment, by further obtaining the pressure value borne by the pressure sensor 700 and comparing the pressure value with the preset pressure threshold, it is possible to more accurately determine whether the head-mounted safety device 10 is worn by the wearer, and the operation is simple and convenient, and the accuracy is high.
In an embodiment of the application, after step S600, the method for detecting wearing of a head-worn safety device further includes:
s720, if the correlation sensor 600 is in the on state, it is determined that the head-mounted safety device 10 is not worn by the wearer.
And S730, returning to the step S100.
The present application also provides a head-worn safety device 10.
As shown in fig. 2, in an embodiment of the present application, the head-worn security apparatus 10 includes a housing 100, a fixture 200, a vibration sensor 300, a detection system 400, and a processor 500.
The housing 100 is fixedly connected to the fixing device 200. The vibration sensor 300 is disposed on an outer surface of the housing 100 or the fixing device 200. The detection system 400 is disposed on an interior or exterior surface of the fixture 200. The processor 500 is disposed inside the fixing device 200. The processor 500 is electrically connected to the vibration sensor 300 and the detection system 400, respectively.
The securing device 200 is used to secure the housing 100 to the head of a wearer. The fastening device 200 includes a protective pad 210 and a strap 220. The protective pad 210 is fixed on the inner surface of the casing 100, and the buckle 220 is fixedly connected to the outer surface of the casing 100.
The vibration sensor 300 is used for generating a vibration signal when sensing vibration;
the inspection system 400 is used to collect inspection data.
The processor 500 is configured to obtain a vibration signal sent by the vibration sensor 300. The processor 500 is further configured to acquire the detection data collected by the detection system 400. The processor 500 also determines whether the wearer is wearing the head-mounted safety device 10 based on the vibration signal and the detection data.
Specifically, the protective pad 210 touches the head of the wearer when the head-worn safety device 10 is worn by the wearer. When the head-worn security device 10 is worn by the wearer, the strap 220 contacts the wearer's neck.
In this embodiment, by providing the vibration sensor 300, a vibration signal can be generated when sensing vibration, and it is possible to determine whether the head-mounted safety device 10 is in a stationary state. By providing the processor 500, the subsequent detection steps can be performed in a non-stationary state, achieving energy savings. By providing detection system 400, acquisition of detection data may be achieved, providing a data basis for processor 500 to identify whether a wearer is wearing head-mounted security device 10.
As shown in fig. 3, in an embodiment of the present application, the detection system 400 includes a positioning device 410 and a vital signs detection device 420. The positioning device 410 is disposed inside the pad or the strap 220. The positioning device 410 is electrically connected to the processor 500. The positioning device 410 is configured to obtain a position of the head-mounted safety device 10, generate safety device position information, and send the safety device position information to the processor 500.
The vital signs detecting device 420 is disposed on an outer surface of the protective pad 210 and/or an outer surface of the strap 220. The vital signs detection device 420 is electrically connected to the processor 500. The vital sign detection device 420 is configured to collect vital sign information within a preset detection range, and send the vital sign information to the processor 500.
Specifically, when the vital sign detection device 420 is disposed on the outer surface of the protective pad 210, the vital sign detection device 420 may acquire one or more of the temperature and the blood pressure of the wearer.
When the vital signs detecting device 420 is disposed on the outer surface of the strap 220, the wearer fastens the strap 220 to the neck, and the vital signs detecting device 420 can obtain the pulse of the wearer.
In this embodiment, by setting the positioning device 410, the acquisition of the position information of the safety device can be realized, which is beneficial for the processor 500 to determine whether the position of the head-mounted safety device 10 is in the working area, and execute the subsequent detection step when the head-mounted safety device is in the working area, thereby further realizing the energy saving. By providing the vital signs detection means 420, a data basis is provided for the processor 500 to identify whether the head-mounted safety device 10 is worn by the wearer.
With continued reference to fig. 3, in an embodiment of the present application, the head-mounted safety device 10 further includes a correlation sensor 600. The correlation sensor 600 is disposed on an inner surface of the housing 100. The correlation sensor 600 is electrically connected to the processor 500.
Specifically, the correlation sensor 600 may be an infrared correlation sensor 600. The correlation sensor 600 includes a transmitting end 610 and a receiving end 620. The transmitting end 610 and the receiving end 620 are respectively disposed at two different regions of the inner surface of the housing 100. An optical path is formed between the transmitting end 610 and the receiving end 620.
When the head-worn security apparatus 10 is worn by the wearer, the transmitting end 610 and the receiving end 620 are distributed on both sides of the head of the wearer, and the light path is blocked by the head of the wearer.
In this embodiment, the correlation sensor 600 is provided to provide a data base for the processor 500 to identify whether the head-mounted security device 10 is worn by the wearer.
With continued reference to fig. 3, in an embodiment of the present application, the head-mounted safety device 10 further includes a pressure sensor 700. The pressure sensor 700 is disposed on an outer surface of the protection pad 210. The pressure sensor 700 is electrically connected to the processor 500.
Specifically, the pressure sensor 700 may be one of a piezoresistive pressure sensor, a ceramic pressure sensor, a diffused silicon pressure sensor, a sapphire pressure sensor, and a piezoelectric pressure sensor.
In this embodiment, by providing the pressure sensor 700, a data basis is provided for the processor 500 to further accurately identify whether the head-mounted safety device 10 is worn by the wearer.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims (11)

1. A method for detecting wearing of a head-worn safety device, comprising:
s100, monitoring the frequency of a vibration signal sent by a vibration sensor (300), and judging whether the head-mounted safety equipment (10) is in a standing state or not according to the frequency of the vibration signal sent by the vibration sensor (300); the vibration sensor (300) is provided to the head-worn safety device (10);
s210, if the head-mounted safety equipment (10) is determined not to be in a standing state, sending a positioning detection instruction to a positioning device (410); the positioning means (410) is provided to the head-worn safety device (10);
s300, acquiring the position information of the safety equipment after the positioning device (410) acquires the position information of the safety equipment according to the positioning detection instruction, and judging whether the position of the head-mounted safety equipment (10) is in a working area or not according to the position information of the safety equipment;
s410, if the position of the head-mounted safety equipment (10) is determined to be in the working area, sending a vital sign detection instruction to a vital sign detection device (420); the vital sign detection device (420) is arranged on the head-mounted safety equipment (10);
s500, acquiring vital sign information after the vital sign detection device (420) acquires the vital sign information according to the vital sign detection instruction, and judging whether the vital sign information is matched with human body vital sign information;
s600, if the vital sign information is matched with the human body vital sign information, further monitoring the state of the correlation sensor (600), and judging whether the correlation sensor (600) is in a connection state; the correlation sensor (600) is provided to the head-worn safety device (10);
s710, if the correlation sensor (600) is not in the on state, determining that the head-mounted safety device (10) is worn by the wearer;
s713, if the pressure value born by the pressure sensor (700) is larger than or equal to a preset pressure threshold value, determining that the head-mounted safety device (10) is worn on the head of the wearer.
2. The head-mounted safety device wearing detection method according to claim 1, wherein the step S100 includes:
and S110, judging whether the frequency of acquiring the vibration signal is greater than or equal to N within a preset time period, wherein N is a positive integer.
3. The head-mounted safety device wearing detection method according to claim 2, wherein the step S210 includes:
s211, if the number of times of acquiring the vibration signal is greater than or equal to N, determining that the head-mounted safety equipment (10) is not in a standing state, and controlling a detection system (400) of the head-mounted safety equipment (10) to be switched to a working state;
s212, a positioning detection instruction is sent to the positioning device (410).
4. The head-worn safety device wearing detection method according to claim 3, wherein after step S100, the head-worn safety device wearing detection method further comprises:
s220, if the head-mounted safety equipment (10) is determined to be in the static state, controlling the detection system (400) of the head-mounted safety equipment (10) to be switched to the dormant state.
5. The head-worn safety device wearing detection method according to claim 4, wherein the step S220 includes:
s221, if the frequency of acquiring the vibration signal is less than N, determining that the head-mounted safety equipment (10) is in a standing state;
s222, controlling the detection system (400) of the head-mounted safety device (10) to switch to a sleep state.
6. The head-worn safety device wearing detection method according to claim 5, wherein after the step S222, the step S200 further comprises:
s223, controlling a working component in the head-mounted safety equipment (10) to stop working for a preset sleep time period;
s224, after the preset sleep time period elapses, returning to the step S100.
7. The head-mounted safety equipment wearing detection method according to claim 1, wherein the step S300 includes:
s310, acquiring the safety equipment position information sent by the positioning device (410);
s320, extracting work area position information from a server, comparing the safety equipment position information with the work area position information, and judging whether the head-mounted safety equipment (10) is located in a work area.
8. The head-worn safety device wearing detection method according to claim 1, wherein after step S300, the head-worn safety device wearing detection method further comprises:
s420, if the position of the head-mounted safety device (10) is determined not to be in the working area, controlling the detection system (400) of the head-mounted safety device (10) to switch to a sleep state.
9. The head-worn safety device wear detection method according to claim 1, wherein the vital sign information includes one or more of pulse, temperature, and blood pressure.
10. The head-mounted safety equipment wearing detection method according to claim 1, wherein the step S710 includes:
s711, if the correlation sensor (600) is not in a connection state, further acquiring a pressure value born by the pressure sensor (700);
and S712, judging whether the pressure value born by the pressure sensor (700) is greater than or equal to a preset pressure threshold value.
11. The head-worn safety device wearing detection method according to claim 1, wherein after step S600, the head-worn safety device wearing detection method further comprises:
s720, if the correlation sensor (600) is in the on state, determining that the head-mounted safety device (10) is not worn by the wearer;
and S730, returning to the step S100.
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