KR20230078882A - Smart helmet with AR shield and shock-absorbing structure - Google Patents

Abstract

The present invention relates to a smart safety helmet having an AR shield and an impact buffer structure. More specifically, an AR shield that indicates the worker's condition is provided on the front of the hard hat so that the worker's health status can be directly checked and warning messages can be checked while working, and changes in the worker's health status can be monitored by other workers around the worker or specific It relates to a smart helmet with an AR shield and shock-absorbing structure that enables quick and effective response in emergency situations by allowing managers to quickly and accurately recognize it. a hat body to protect the worker's head from damage, an endothelial band part composed of a lower support part and an upper support part provided inside the hat body, and provided on the hat body to detect the worker's condition including brain waves, electrocardiograms, and body temperature It is provided with a sensing unit that generates sensing information, a GPS unit that tracks the current location of the hat body and generates location information, and a shield with a face protection function installed on the front of the hat body, and has an augmented reality function. An AR shield unit that provides messages through text and images, a control unit that controls the sensing unit, the GPS unit, and the AR shield unit, and receives the detection information and compares it with the previously learned operator status to determine the operator's status. It is characterized in that it comprises a central control unit to.

Description

Smart helmet with AR shield and shock-absorbing structure {Smart helmet with AR shield and shock-absorbing structure}

The present invention relates to a smart helmet having an AR shield and an impact buffering structure, and more particularly, an AR shield indicating a worker's condition is provided on the front of the helmet to directly check the worker's health condition and check a warning message during work, , It relates to a smart safety helmet with an AR shield and shock-absorbing structure that enables quick and effective response in emergency situations by allowing other workers or specific managers around the worker to quickly and accurately recognize changes in the health status of the worker in addition to the worker himself. .

In general, in places constantly exposed to safety accidents, such as various construction sites, construction sites, firefighting sites, etc., safety helmets are to be worn in order to promote the safety of workers.

In addition, soldiers and various safety helmets are worn during leisure activities, and these safety helmets mainly protect the wearer's head from external impact to prevent large-scale accidents such as personnel accidents.

Since various risk factors exist in these industrial sites, construction sites, and other work sites, workers or site visitors must necessarily wear a hard hat to protect their heads from various risk factors.

However, the conventional safety helmet as described above does not have various functions other than simply protecting the user's head.

In particular, in industrial sites, it is difficult for workers who are working in dangerous situations such as fall, burial, and collapse to recognize the dangerous situations that always exist in the working environment, and to monitor the worker's health condition until health problems occur due to the working environment. When a worker's health condition, such as exhaustion or fainting, occurs due to unknown reasons, the problem of endangering the life and safety of the worker due to a delay in coping with it always exists.

The foregoing invention refers to the background art in the technical field to which the present invention belongs, and does not mean the prior art.

Registered Patent No. 10-1196802

The present invention has been made to solve the above conventional problems, and an object of the present invention is to be able to check the health status of a worker, to be able to recognize a warning message by a worker, and to allow other nearby workers or a specific manager to work as a worker. The purpose is to provide a smart safety helmet with an AR shield and shock-absorbing structure that enables rapid and effective response in emergency situations by quickly and accurately recognizing the state.

The present invention is a safety helmet worn by workers to prevent safety accidents, comprising: a hat body to protect a worker's head from external impact; A sensing unit provided in the hat body to detect the state of the worker including brain waves, electrocardiograms, and body temperature and generate sensing information; a GPS unit to generate location information by tracking the current position of the hat body; It is provided as a shield with a face protection function installed on the front of the AR shield unit for providing messages through text and images through an augmented reality function, a control unit for controlling the sensing unit, the GPS unit, and the AR shield unit, and the It is characterized in that it includes a central control unit for determining the state of the operator by receiving the detected information and comparing it with the previously learned state of the operator.

Preferably, the sensing unit includes an brain wave sensor for measuring brain waves, a body temperature sensor for measuring body temperature of a worker, an electrocardiogram sensor for measuring electrocardiogram connected to an electrocardiogram patch, and a gas sensor for detecting harmful gases around the cap body. It may be characterized in that it further includes.

Preferably, the central control unit determines an emergency situation by comparing a learning module that stores and learns the sensing information sensed by the sensing unit for a certain period of time and a result learned by the learning module and sensing information generated in real time. The module and the determination module may further include an emergency notification module for generating an emergency notification signal and transmitting it to the outside when it is determined that an emergency situation exists.

Preferably, the AR shield unit provides a worker's health status to the shield through augmented reality in association with a work guide window module that provides work orders and work precautions to the shield through augmented reality, and the sensor unit. A window module, an emergency notification window module that notifies workers of an emergency situation in connection with the central control unit, and a map window module that provides the location of the hat body and the entire map in the field to the shield through augmented reality in connection with the GPS unit It can be characterized by including.

Preferably, the cap body is further provided with an air injection-type shock-absorbing means to absorb an external shock transmitted to the head by supplying air after detecting an external impact, and the air injection-type shock-absorbing means is provided. The means includes an annular connection bracket connected to and fixed to the inner surface of the hat body, an annular air buffer tube connected to and fixed to the ground of the connection bracket and having an air filling space therein, and once connected to the connection bracket is connected and fixed, and is inserted into and fixed to an elastic support hook configured to support the air buffer tube not filled with air, a seating chamber formed on an inner surface of the hat body, and a seating chamber formed on the hat body. An air pump for supplying air to the buffer tube, annular elastic locking protrusions formed on the inner surface of the air buffer tube to pressurize and catch the operator's head, and formed on the hat body and transmitted from the outside It consists of a shock sensor that detects an impact and transmits a signal to the air pump so that air is supplied to the air buffer tube. When an external shock occurs, air is supplied to the air buffer tube so that the operator's head is inflated while pressing , It can be characterized in that it prevents the hat body from being peeled off the head by impact and buffers the transfer of external impact.

The smart helmet having an AR shield and shock-absorbing structure according to the present invention can check the worker's health status through the AR shield, the worker can recognize a warning message, and other nearby workers or a specific manager can quickly and accurately check the worker's condition. By making it aware, there is an effect of enabling rapid and effective response in case of an emergency.

1 is an embodiment showing a conceptual diagram showing that the AR shield part provides work guidance, health status, gas leak, emergency warning, and map guidance in a smart helmet having an AR shield and shock-absorbing structure according to the present invention.
2 is a conceptual diagram showing that the sensing unit of the smart helmet transmits sensing information to the central control unit in the smart helmet having an AR shield and shock-absorbing structure according to the present invention.
Figure 3 shows the configuration of the sensing unit of the smart helmet having an AR shield and an impact buffer structure according to the present invention.
Figure 4 shows the configuration of the central control unit of the smart helmet having an AR shield and impact buffering structure according to the present invention.
5 shows the process of generating an emergency notification signal in the case of an emergency by comparing the normal state of the worker with the central control unit learning the normal state of the worker in the smart helmet having an AR shield and shock-absorbing structure according to the present invention, and comparing the normal state during work. It is the flow chart shown.
6 shows an air injection type impact buffering means according to an embodiment of a smart helmet having an AR shield and a shock buffering structure according to the present invention.
7 is a partially enlarged cross-sectional view showing an air injection type impact buffering means according to an embodiment of a smart helmet having an AR shield and an impact buffering structure according to the present invention.
8 is a diagram illustrating an operating state of an air injection-type impact buffering means according to an embodiment of a smart helmet having an AR shield and an impact buffering structure according to the present invention.

Since the description of the present invention is only an embodiment for structural or functional description, the scope of the present invention should not be construed as being limited by the embodiments described in the text. That is, since the embodiment can be changed in various ways and can have various forms, it should be understood that the scope of the present invention includes equivalents capable of realizing the technical idea.

On the other hand, the meaning of terms described in the present invention should be understood as follows.

Terms such as "first" and "second" are used to distinguish one component from another, and the scope of rights should not be limited by these terms. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element.

It should be understood that when an element is referred to as being “connected” to another element, it may be directly connected to the other element, but other elements may exist in the middle. On the other hand, when an element is referred to as being "directly connected" to another element, it should be understood that no intervening elements exist. Meanwhile, other expressions describing the relationship between components, such as “between” and “immediately between” or “adjacent to” and “directly adjacent to” should be interpreted similarly.

Expressions in the singular number should be understood to include plural expressions unless the context clearly dictates otherwise, and terms such as “comprise” or “having” refer to an embodied feature, number, step, operation, component, part, or these. It should be understood that it is intended to indicate that a combination exists, and does not preclude the possibility of the presence or addition of one or more other features, numbers, steps, operations, components, parts, or combinations thereof.

In each step, the identification code (eg, a, b, c, etc.) is used for convenience of explanation, and the identification code does not describe the order of each step, and each step clearly follows a specific order in context. Unless otherwise specified, it may occur in a different order than specified. That is, each step may occur in the same order as specified, may be performed substantially simultaneously, or may be performed in the reverse order.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs, unless defined otherwise. Terms defined in commonly used dictionaries should be interpreted as consistent with meanings in the context of related art, and cannot be interpreted as having ideal or excessively formal meanings unless explicitly defined in the present invention.

A description of the drawings of the smart helmet having an AR shield and shock buffer structure according to the present invention is as follows.

1 is an embodiment showing a conceptual diagram showing that the AR shield part provides work guidance, health status, gas leak, emergency warning, and map guidance in a smart helmet having an AR shield and shock-absorbing structure according to the present invention. 2 is a conceptual diagram showing that the sensing unit of the smart helmet transmits sensing information to the central control unit in the smart helmet having an AR shield and shock-absorbing structure according to the present invention. Figure 3 shows the configuration of the sensing unit of the smart helmet having an AR shield and an impact buffer structure according to the present invention. Figure 4 shows the configuration of the central control unit of the smart helmet having an AR shield and impact buffering structure according to the present invention. 5 shows the process of generating an emergency notification signal in the case of an emergency by comparing the normal state of the worker with the central control unit learning the normal state of the worker in the smart helmet having an AR shield and shock-absorbing structure according to the present invention, and comparing the normal state during work. It is the flow chart shown. 6 shows an air injection type impact buffering means according to an embodiment of a smart helmet having an AR shield and a shock buffering structure according to the present invention.

7 is a partially enlarged cross-sectional view showing an air injection type impact buffering means according to an embodiment of a smart helmet having an AR shield and an impact buffering structure according to the present invention. 8 is a diagram illustrating an operating state of an air injection-type impact buffering means according to an embodiment of a smart helmet having an AR shield and an impact buffering structure according to the present invention.

A smart helmet having an AR shield and an impact buffering structure according to the present invention (hereinafter referred to as 'smart helmet 10' for convenience of description) is shown in FIGS. 1 to 8 to prevent safety accidents of workers. As a safety helmet to be worn, it is configured to include a hat body 20, an endothelium band unit, a sensing unit 30, a GPS unit, an AR shield unit 50, a control unit, and a central control unit 40.

First, the hat body 20 is a hard hat body provided to protect a worker's head from external impact.

In addition, the endothelial band portion is provided inside the cap body 20 and includes a lower support portion and an upper support portion.

In addition, the sensing unit 30 is provided on the hat body 20 and can generate sensing information by detecting a worker's condition including brainwaves, electrocardiogram, and body temperature of the worker.

In addition, the GPS unit can generate location information by tracking the current location of the hat body 20 .

In addition, the AR shield unit 50 is provided as a shield having a face protection function installed on the front of the hat body 20, and can provide messages through text and images through an augmented reality function.

In addition, the control unit may serve to control the sensing unit 30, the GPS unit, and the AR shield unit 50.

In addition, the central control unit 40 serves to determine the state of the operator by receiving the sensing information and comparing it with the previously learned state of the operator.

The cap body 20 is worn on the worker's head to protect the worker's head from external impact.

The cap body 20 is made of a synthetic resin material or a metal material, and a chin band is further provided to cover the worker's chin.

In addition, a blocking window is integrally formed on one side of the cap body 20 so as to block sunlight at one end.

The endothelial band part is composed of a lower support part and an upper support part provided inside the cap body 20 .

The endothelial band part is made of a synthetic fiber material or a natural fiber material, and absorbs the shock transmitted from the hat body 20, reduces foreign body sensation, and improves wearing comfort.

The lower support portion is formed in a ring structure, and is attached to the inner surface of the hat body 20 or fastened and fixed by a pin. The lower support part is fitted so as to come into contact with the operator's head.

The upper support portion is disposed in a structure bent in a dome shape, and both ends are sewn and fixed to the upper side of the lower support portion. The upper support portion covers and supports the upper portion of the operator's head.

At this time, Velcro tape may be further attached to the inner surface of the cap body 20 and the outer surface of the lower support portion of the endothelial band portion, so that the endothelial band portion may be detachably fixed to the cap body 20 by means of the Velcro tape. .

The sensing unit 30 is provided on the hat body 20 to detect the operator's condition.

Specifically, as shown in FIG. 3, the sensing unit 30 may include an brain wave sensor 31, a body temperature sensor 34, an electrocardiogram sensor 32, and a gas sensor 33. .

The brain wave sensor 31 may contact the wearer's head to measure the wearer's brain wave.

In addition, the body temperature sensor 34 may contact the operator's skin to measure the operator's body temperature.

In addition, the electrocardiogram sensor 32 is connected to an electrocardiogram patch attached to a chest portion to sense an electrocardiogram of a worker.

In addition, the gas sensor 33 is attached to the outer or inner surface of the hat body 20 to detect harmful gases.

In addition, a heart rate sensor 35 may be further provided in the sensing unit 30 .

The heart rate sensor 35 may measure the heart rate of the worker by contacting the artery of the back of the head of the worker.

The sensor 30 is electrically connected to the brain wave sensor 31, the body temperature sensor 34, the electrocardiogram sensor 32, the gas sensor 33, and the heart rate sensor 35, and receives signals detected by each sensor. , can be sent to the external central control unit 40.

In addition, as shown in FIG. 4 , the central control unit 40 may include a learning module 41 , a judgment module 42 and an emergency notification module 43 .

The learning module 41 may store and learn the sensing information sensed by the sensing unit 30 for a certain period of time.

As a specific embodiment, as shown in FIGS. 2 and 5, the learning unit learns the sensing information about the worker's usual state based on the sensing information detected by the sensing unit 30 for about a week, and the average value of each detected information. can be computed. Also, the learning unit may generate usual sensing information using the calculated average value as a reference.

In addition, the determination module 42 may determine an emergency situation by comparing a result learned by the learning module 41 with sensing information generated in real time.

That is, the determination module 42 compares the worker's usual detection information learned and generated by the learning module 41 with the detection information detected and generated in real time, and when an error outside the predetermined range occurs, it is harmful to the health of the worker. Recognize that a problem has occurred and judge that it is an emergency situation.

In addition, the emergency notification module 43 may generate an emergency notification signal and transmit it to the outside when the determination module 42 determines that there is an emergency situation.

Specifically, the emergency notification signal is transmitted to a supervisor's terminal or a terminal of a person in charge of safety, so that an abnormal state of a worker can be quickly identified and follow-up measures can be taken.

The determination module 42 may determine an emergency situation when the signal detected by the electrocardiogram sensor 32 is lower or higher than the electrocardiogram value of the usual detection information.

In addition, the determination module 42 may determine an emergency situation when the sensed information transmitted from the EEG sensor 31 is lower or higher than the EEG value of the usual sensed information.

In addition, the central control unit 40 collects and stores received information, selects repeatedly received information, and stores the data for each situation so that it can be used in an emergency.

The GPS unit is provided on one side of the hat body 20 and can be used to determine the location of the current operator.

In addition, the location information generated by the GPS unit is transmitted to the central control unit 40, and the emergency notification module 43 may generate an emergency notification signal when the location information is transmitted within a pre-specified danger area.

In addition, the current location of the operator can be easily specified through the location information generated by the GPS unit, and lifesaving activities can be initiated in an emergency.

In addition, the control unit may play a role of supplying power to the sensing unit 30, the GPS unit, and the AR shield unit 50 and controlling their operations.

Specifically, the control unit includes a power supply unit. The power supply unit for supplying power to both sides of the hat body 20 is screwed and fixed, and the power supply unit, which is a battery, is placed on both sides of the hat body 20 so that balance can be maintained and the unbalanced weight can be reduced. be able to reduce

As shown in FIG. 1, the AR shield unit 50 is provided as a shield having a face protection function installed on the front of the hat body 20, and provides messages through text and images through an augmented reality function. can do.

Specifically, the AR shield unit 50 may further include a work guidance window module, a status window module, an emergency notification window module, and a guidance window module.

The work guide window module may provide a work order and work precautions to the shield through augmented reality.

In addition, the status window module may provide the worker's health status to the shield through augmented reality in association with the sensing unit 30 .

In addition, the emergency notification window module may inform the operator of an emergency situation in connection with the central control unit 40 .

In addition, the map window module may provide the location of the hat body 20 and the entire map to the shield through augmented reality in association with the GPS unit.

As a preferred application example, when a worker normally performs work, the work guidance window module provides the order of work and precautions to be observed during work on one side of the shield so that the worker can safely work while being aware of it.

In addition, as the control unit is operated, the AR shield unit 50 provides the worker's health status to the shield through the status window module so that it can be confirmed. At this time, the provided health status is provided by receiving the sensing information generated by the sensing unit 30, and it is possible to check the current health status of the worker in real time.

In addition, the emergency notification window module can be linked with the emergency notification module 43 to recognize that a problem has occurred in the safety of the current worker and to help request quick help.

In addition, the map window module can provide a map so that the current location in the workplace can be grasped in association with the location information of the GPS unit and the user can move to a target point. In addition, the map window module can prevent workers from getting lost and wandering in a wide workplace environment, thereby preventing accidents that may occur due to getting lost in the field.

The endothelial band part has an elastic support part formed of elastic support units further formed on the inner surface of the upper support part formed on the upper part of the lower support part of the ring structure to buffer the transmission of external shock to the operator's head, as well as to protect the operator's safety. to support the head.

The elastic support unit is made of a synthetic resin material having elasticity, and ends are sewn or adhered to the inner surfaces of the lower support unit and the upper support unit to be fixed.

The elastic support unit has an additional effect of acupressure on the worker's head, prevents the head from being pressed, and allows ventilation to dry sweat smoothly.

At this time, the elastic support unit is made of a hollow tubular structure, one end is connected to and fixed to the inner surface of the upper support part and the lower support part of the endothelial band part, and the elastic support unit has a buffer hole communicating with the inner through hole on the outer surface. are further formed.

It is possible to form the elastic support unit in a hollow tubular structure and form buffer holes to reduce weight, absorb noise by the through hole and the buffer hole to mitigate transmission of noise, and When pressurized by the pressure, the through hole and the buffer hole are deformed and pressed to increase the buffering efficiency of impact.

A quick notification means is further provided in the cap body 20 to receive the emergency notification signal from the emergency notification module 43 and promptly inform the outside of an emergency situation.

The quick notification means is a speaker provided on the hat body 20 and provided to inform the outside of an emergency situation through sound, and a lighting lamp disposed on the outer surface of the hat body 20 to notify the emergency situation through lighting. The lighting lamp is arranged in the shape of a certain letter on the hat body 20, so that the operator's status information is notified to the outside through light, so that action can be taken quickly.

Voice information such as "Heart arrest" or "Gas leakage risk" is input to the rapid notification unit and outputted through the speaker.

In addition, lighting lamps are arranged on the hat body 20, such as "heart stop" or "gas leak", so that a dangerous state can be recognized as letters from the outside when lit, so that a quick response is possible.

In addition, a blowing fan may be further provided in the hat body 20 . A blower fan is screwed to the inner surface of the cap body 20 to be fixed, and the wind supplied from the blower fan is placed on the cap body 20 so that it is supplied in the direction of the worker's respiratory system, and the central control unit 40 It is preferable to drive the blowing fan by a signal of ) to mitigate the inflow of gas into the worker's respiratory system by the supplied wind and to lower the body temperature of the worker by the supplied wind.

On the other hand, as shown in FIGS. 6 to 8, the cap body 20 detects an external impact and then supplies air to the air injection type shock buffer to buffer the transfer of the worker's external impact to the head. Means 70 are further provided.

The air injection type shock buffering means 70 has an annular connecting bracket 71 attached to and fixed to the inner surface of the hat body 20, and an outer surface attached to one surface of the connecting bracket 71 and fixed, The material is made of a synthetic fiber material having elasticity, and one end is attached to and fixed to the upper surface of the annular air buffer tube 72 having an annular air filling space inside and the connection bracket 71, and the air An elastic support hook 73 having a bent structure to support the air buffer tube 72 in an unfilled state, a seating chamber 74 formed on the inner surface of the cap body 20, and the cap body ( 20) is inserted into and fixed to the seating chamber 74 formed in the air buffer tube 72, the air pump 75 for supplying air to the air buffer tube 72 is attached to and fixed to the inner surface of the air buffer tube 72, and the operator The air pump ( 75) so that air is supplied to the air buffer tube 72 by driving the air pump 75. ) to supply air so that the air buffer tube 72 expands while pressurizing the head of the worker, thereby preventing the cap body 20 from being detached from the head due to an impact, and also preventing external impact to the head of the worker. It is supposed to buffer what is being conveyed.

The air discharge pipe of the air pump 75 is inserted into the inlet of the air buffer tube 72 and then adhesively fixed. Alternatively, it is also possible to connect the air discharge pipe of the air pump 75 and the inlet to a connecting hose.

Incision grooves are further formed on the inner surface of the elastic holding protrusion 76 at regular intervals so that the incision groove widens when the elastic holding protrusion 76 is stretched while the air buffer tube 72 is inflated. By doing so, it is desirable to reduce the resistance during tension.

After the air buffer tube 72 is compressed and bent when the air buffer tube 72 is inflated, the elastic support hook 73 discharges air from the air buffer tube 72 and returns to the original position by elasticity, thereby restoring the air buffer tube 72. will support

Although the present invention has been described in detail so far, it is clear that the embodiments mentioned in the process are only illustrative and not limiting, and the present invention is the technical spirit or field of the present invention provided by the claims below. Within the range that does not deviate from, it will be said that component changes to the extent that can be equally coped with fall within the scope of the present invention.

10 : Smart Hard Hat
20: hat body
30: sensing unit
31: EEG sensor
32: electrocardiogram sensor
33: gas sensor
34: body temperature sensor
35: heart rate sensor
40: central control department
41: learning module
42: judgment module
43: emergency notification module
50: AR shield part
70: air injection type shock absorber
71: connection bracket
72: air buffer tube
73: elastic support hook
74: seating room
75: air pump
76: elastic locking protrusion
77: shock sensor

Claims (5)

As a safety helmet to be worn to prevent workers' safety accidents,
A hat body designed to protect a worker's head from external impact;
an endothelial band portion composed of a lower support portion and an upper support portion provided inside the cap body;
a sensing unit provided on the hat body to sense an operator's condition including brain waves, electrocardiograms, and body temperature and generate sensing information;
a GPS unit generating location information by tracking the current location of the hat body;
an AR shield unit provided as a shield having a face protection function installed on the front of the hat body and providing a message through text and images through an augmented reality function;
a control unit controlling the sensing unit, the GPS unit, and the AR shield unit; and
A smart safety helmet having an AR shield and an impact buffer structure, characterized in that it includes; a central control unit that receives the detection information and compares it with the previously learned state of the worker to determine the state of the worker. According to claim 1,
the sensor,
EEG sensor for measuring brain waves;
Body temperature sensor for measuring the body temperature of the operator;
An electrocardiogram sensor connected to the electrocardiogram patch to measure an electrocardiogram; and
A smart safety helmet having an AR shield and an impact buffer structure, characterized in that it further comprises; a gas sensor for detecting harmful gases around the hat body. According to claim 1,
The central control department,
a learning module for storing and learning the sensing information sensed by the sensing unit for a certain period of time;
a judgment module for determining an emergency situation by comparing the result learned by the learning module with sensing information generated in real time; and
A smart safety helmet having an AR shield and shock buffer structure, characterized in that it further comprises; an emergency notification module for generating an emergency notification signal and transmitting it to the outside when the determination module determines that there is an emergency situation. According to claim 1,
The AR shield part,
A work guide window module that provides work order and work precautions to the shield through augmented reality;
a status window module that provides a worker's health status to the shield through augmented reality in association with the sensing unit;
An emergency notification window module for notifying workers of emergency situations in connection with the central control unit; and
A smart safety helmet having an AR shield and an impact buffer structure, characterized in that it further includes; a map window module that provides the location of the hat body and the entire map in the field to the shield through augmented reality in conjunction with the GPS unit. According to claim 1,
The cap body is further provided with an air injection type shock-absorbing means to absorb an external shock transmitted to the head by supplying air after detecting an external shock,
The air injection type shock buffer means,
An annular connection bracket connected to and fixed to the inner surface of the hat body;
An annular air buffer tube connected to and fixed to the ground of the connecting bracket and having an air filling space therein;
An elastic support hook having one end connected to and fixed to the connection bracket and configured to support the air buffer tube not filled with air;
A seating chamber formed on an inner surface of the hat body;
An air pump inserted into and fixed to a seating chamber formed in the hat body and supplying air to the air buffer tube;
Annular elastic locking protrusions formed on the inner surface of the air buffer tube to pressurize and hold the operator's head;
It consists of an impact sensor formed on the hat body and detecting an impact transmitted from the outside and transmitting a signal to the air pump so that air is supplied to the air buffer tube,
When an external shock occurs, air is supplied to the air buffer tube to pressurize and inflate the worker's head, thereby preventing the cap body from being removed from the head due to the impact and buffering the transmission of external shock. A smart safety helmet with AR shield and impact buffer structure.

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