CN111557519A

CN111557519A - Safety helmet and safety protection method

Info

Publication number: CN111557519A
Application number: CN202010514350.5A
Authority: CN
Inventors: 苏中华
Original assignee: Guangzhou Xin'an Zhinang Technology Co ltd
Current assignee: Guangzhou Xin'an Zhinang Technology Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2020-08-21

Abstract

The invention discloses a safety helmet and a safety protection method, the safety helmet comprises a helmet body, a compressed gas cylinder, an air bag and a control circuit, wherein the lower part of the helmet body is provided with a brim extending laterally, the compressed gas cylinder, the air bag and the control circuit are fixed on the helmet body, at least part of the air bag is positioned below the brim, the compressed gas cylinder is provided with a control switch, the compressed gas cylinder is communicated with the air bag through the control switch, the control circuit is provided with a sensing element, and the control switch is electrically connected with the control circuit. The safety helmet disclosed by the invention can play a good buffering role on the head when being impacted, has a better protection effect, cannot extrude the head when being worn normally, and has good comfort.

Description

Safety helmet and safety protection method

Technical Field

The invention belongs to the field of safety protection, and particularly relates to a safety helmet and a safety protection method.

Background

In the high-risk operation processes of well, mine, high-altitude operation and the like, a safety helmet needs to be worn, and the safety helmet plays a good role in protecting the safety of operating personnel.

However, the existing safety helmet only has a protective cap body, and can protect the head to a certain extent when a heavy object is impacted, but the safety helmet cannot play a role in buffering, so that the head and the neck of an operator can still be damaged.

Later, a safety helmet with an air bag is provided, the buffering performance of the safety helmet can be improved after the air bag is arranged, the head and the neck can be buffered when the safety helmet is impacted, but the air bag of the conventional safety helmet is fixedly arranged, and the head can be extruded by the air bag when the safety helmet is worn, so that the wearing comfort is affected.

Disclosure of Invention

The invention aims to provide a safety helmet and a safety protection method.

The invention provides a safety helmet which comprises a helmet body, a compressed gas cylinder, an air bag and a control circuit, wherein the lower part of the helmet body is provided with a brim extending laterally, the compressed gas cylinder, the air bag and the control circuit are fixed on the helmet body, at least part of the air bag is positioned below the brim, the compressed gas cylinder is provided with a control switch, the compressed gas cylinder is communicated with the air bag through the control switch, the control circuit is provided with a sensing element, and the control switch is electrically connected with the control circuit.

In one embodiment, the compressed gas cylinder and the control circuit are arranged below the brim.

In one embodiment, the air bag further comprises a fixing strip, and the air bag is folded below the brim and is fixed through the fixing strip.

In one embodiment, the airbag further comprises a fixing band, the airbag comprises a lower bag body and an upper bag body, a fixing piece is arranged on the inner side of the cap body, the fixing band is located on the inner side of the cap body and connected with the fixing piece, the upper bag body is located in the area between the cap body and the fixing band, and the lower bag body is located below the brim.

In one embodiment, the fixing strap and the fixing piece are connected through a sliding mechanism.

In one embodiment, the fixing band comprises band bodies and a fixing ring at the top, the two band bodies are connected with the fixing ring, a sliding groove is formed in the fixing ring, the fixing piece is in sliding fit with the sliding groove, and corresponding concave-convex teeth are arranged between the sliding groove and the fixing piece.

In one embodiment, the number of the sliding mechanisms is four, and the sliding mechanisms are distributed at intervals along the circumferential direction of the cap body.

In one embodiment, the fixing parts are distributed at intervals along the inner wall of the cap body; the upper bag body comprises a top bag body and a plurality of connecting bag bodies, the top bag body is positioned at the top of the inner side of the cap body, the connecting bag bodies are separated by the fixing piece at intervals, and the top bag body is communicated with the lower bag body through the connecting bag bodies.

In one embodiment, the lower bladders are multiple and are respectively formed by extending downwards from the connecting bladders, and the lower sides of the multiple lower bladders are connected.

The invention also provides a safety protection method, which comprises the following steps:

receiving a starting signal, and starting the safety helmet;

the sensing element senses the state of the safety helmet and sends the state information of the safety helmet to the control circuit, and if the state information accords with the pre-stored information, switching information is sent to the compressed gas cylinder;

the compressed gas cylinder opens the gas valve after receiving the switching information, and compressed air enters the gasbag;

after the air bag is expanded, at least part of the air bag is unfolded under the hat brim.

The technical scheme provided by the invention has the following advantages and effects:

the safety helmet is provided with the sensing element, the sensing element can sense the state of the safety helmet, and when the safety helmet is impacted or falls down quickly, a signal is sent to the control circuit, so that the switch of the compressed gas cylinder is turned on, compressed air in the compressed gas cylinder is quickly filled into the air bag, and the air bag expands and plays a role in buffering the head; under the normal state, because the air bag is in the non-inflated state, the head can not be extruded when the air bag is worn, and the comfort is higher; the airbag is at least partially positioned below the brim, so that the airbag does not occupy the inner space of the safety helmet, and meanwhile, the airbag is convenient to inflate and expand, and the protection effect is more ideal.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles and effects of the invention.

Unless otherwise specified or defined, the same reference numerals in different figures refer to the same or similar features, and different reference numerals may be used for the same or similar features.

FIG. 1 is a bottom view of the headgear of the present invention;

FIG. 2 is a bottom view of the crash helmet of the present invention with the airbag removed;

FIG. 3 is a side view of the crash helmet of the present invention after inflation of the airbag;

FIG. 4 is a deployment view of the airbag;

FIG. 5 is a circuit diagram of the safety helmet of the present invention;

description of reference numerals:

10. the helmet comprises a helmet body, 11, a brim, 20, a compressed gas cylinder, 21, a control switch, 30, an air bag, 31, a top bag body, 32, a connecting bag body, 33, a lower bag body, 331, a lower side portion, 332, a window, 40, a control circuit, 41, a sensing element, 42, an information display screen, 43, a conducting key, 44, a control unit, 45, a positioning chip, 46, an alarm element, 47, a battery, 51, a fixing strip, 52, a belt body, 521, a fixing ring, 53, a fixing piece, 531, a sliding groove, 532, a sliding strip, 54, concave-convex teeth, 55 and a fastening belt.

Detailed Description

In order to facilitate an understanding of the invention, specific embodiments thereof will be described in more detail below with reference to the accompanying drawings.

Unless specifically stated or otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In the case of a real-world scenario incorporating the technical solution of the present invention, all technical and scientific terms used herein may also have meanings corresponding to the purpose of achieving the technical solution of the present invention.

As used herein, unless otherwise specified or defined, "first" and "second" … are used merely for name differentiation and do not denote any particular quantity or order.

As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, unless specified or otherwise defined.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present.

As used herein, unless otherwise specified or defined, the terms "comprises," "comprising," and "comprising" are used interchangeably to refer to the term "comprising," and are used interchangeably herein.

It is needless to say that technical contents or technical features which are contrary to the object of the present invention or clearly contradicted by the object of the present invention should be excluded.

As shown in fig. 1 to 5, the safety helmet comprises a helmet body 10, a compressed gas cylinder 20, an air bag 30 and a control circuit 40, wherein the lower part of the helmet body 10 is provided with a brim 11 extending towards the side direction; the compressed gas cylinder 20, the air bag 30 and the control board are all fixed below the brim 11, and the control board is provided with a control circuit 40.

As shown in fig. 5, the control circuit 40 is provided with a battery 47, a control unit 44, a positioning chip 45, an alarm element 46, a sensing element 41, an information display screen 42 and a conducting key 43 inside, and a charging hole is provided on the control panel; the warning element 46 may warn outward in an emergency or abnormal state; the positioning chip 45 is used for acquiring the position information of the safety helmet, and can be provided with an electronic fence and an abnormal position alarm; the sensing element 41 can acquire the speed, acceleration, vibration or impact parameters of the safety helmet and output the information to the control unit 44, when the safety helmet is impacted or falls rapidly, the control unit 44 sends a signal to turn on the control switch 21 of the compressed gas cylinder 20, and the air bag 30 can be inflated rapidly, so that the protection effect is achieved; the information display screen 42 can display information such as electric quantity, charging state, working state and the like, so that a user can conveniently check the information; the battery 47 can be charged through the charging hole; the sensor element 41 may employ a vibration sensor element, a velocity sensor element 41, or an acceleration sensor element.

As shown in fig. 4, the airbag 30 includes an upper bladder and a plurality of lower bladders 33, the upper bladder includes a top bladder 31 and a plurality of connecting bladders 32, the top bladder 31 is located at the top area of the inner side of the cap 10, the plurality of connecting bladders 32 extend from the top bladder 31 to the outside in the circumferential direction, the lower bladders 33 are respectively formed by the connecting bladders 32 extending downward, and the lower side portions 331 of the plurality of lower bladders 33 are connected. A window 332 is provided in the front lower bladder 33 to expose the eyes and nose of the user.

As shown in fig. 1 and 2, the safety helmet further comprises a fixing band 52, and when a user wears the safety helmet, the fixing band 52 fixes the safety helmet to the head of the user; the inner side of the cap body 10 is provided with four fixing pieces 53 which are distributed at intervals along the inner wall of the cap body 10, each fixing band comprises a band body 52 and a fixing ring 521 at the top, the two band bodies 52 are connected with the fixing ring 521, four sliding strips 532 are arranged on the inner side of the fixing ring 521, the four sliding strips 532 are tensioned through a fastening band 55, sliding grooves 531 are formed in the sliding strips 532, the fixing pieces 53 are in sliding fit with the sliding grooves 531, and corresponding concave-convex teeth are arranged between the sliding grooves 531 and the fixing pieces 53. Each of the fasteners 53 may be fastened to the cap 10 by punching, bonding, etc. through one or two fastening points, the fastening band 52 is located at the inner side of the cap 10 and connected to the fastener 53, and the upper bladder is located at the area between the cap 10 and the fastening band 52, wherein the top bladder 31 is located at the top area of the inner side of the cap 10, the plurality of connecting bladders 32 are separated by connecting members, and the gaps between the plurality of connecting bladders 32 leave spaces for the connection between the fastening band 52 and the fasteners 53; the connecting bladder 32 extends downwardly to form a lower bladder 33, and in the inflated condition, the lower bladder 33 expands along the underside of the brim 11 for protecting the area beneath the person's head.

In the inflated state, the top bag body 31 and the connecting bag body 32 are both expanded, which may cause extrusion to the head of the human body, and especially the fixing belt 52 may tighten the neck of the human body, which may bring unexpected danger to the user; if the inflation of the top bladder 31 and the connecting bladder 32 is reduced, the cushioning effect of the helmet top is undoubtedly reduced; in order to solve this problem, the fixing belt 52 and the fixing member 53 are connected by a sliding mechanism, and the following structure is adopted in this embodiment:

as shown in fig. 2, four sliding mechanisms are provided and are distributed at intervals along the circumferential direction of the cap body 10, in this embodiment, each sliding mechanism is a sliding slot 531 provided on the fixing member 53 and a sliding portion 521 provided on the fixing strap 52, the sliding portion 521 is in sliding fit with the sliding slot 531, corresponding concave-convex teeth 54 are provided between the sliding slot 531 and the sliding portion 521, and the concave-convex teeth 54 can increase the sliding resistance and can be positioned at any time. Under the state that gasbag 30 is not inflated, sliding part 521 is located the upper portion of spout 531, and when gasbag 30 was inflated, gasbag 30 expanded, the inside space of cap body 10 reduced, and human head drove the sliding part 521 of fixed band 52 and slides downwards under the oppression effect of gasbag 30, lets out more spaces for the inflation of top utricule 31 and connection utricule 32, when improving the cushioning effect, avoids bringing unexpected risk to human head. The fixing belt 52 and the fixing member 53 are connected by a sliding mechanism, and the two may be directly connected or may be connected by other components.

As shown in fig. 1, the safety helmet further includes a plurality of fixing strips 51, the plurality of fixing strips 51 are circumferentially distributed along the lower portion of the brim 11 at intervals, the airbag 30 is folded under the brim 11 in a curling manner and is fixed by the plurality of fixing strips 51, and a magic tape is disposed at an edge portion of the fixing strip 51 and used for connecting an edge of the fixing strip 51 with the helmet body 10.

The protection method of the safety helmet in the embodiment is as follows:

pressing the conducting button 43 on the control panel, the power is switched on, the safety helmet is in a working state, and the sensing element 41 is turned on;

the sensing element 41 senses the state of the safety helmet and sends the state information of the safety helmet to the control circuit 40, when the safety helmet is impacted or the safety helmet falls, the control unit 44 sends a signal to the control switch 21 of the compressed gas cylinder 20, the control switch 21 is turned on, and the high-pressure air of the compressed gas cylinder 20 is rapidly filled into the air bag 30;

after the top balloon 31 and the connecting balloon 32 are expanded, the sliding part 521 slides relative to the sliding groove 531, and the fixing band 52 moves downwards, so as to avoid tightening the neck of the user due to the expansion of the air bag 30;

the lower bag body 33 is inflated and expanded, the fixing strip 51 is flushed, the lower bag body 33 is unfolded towards the lower part of the brim 11 and protects the face, the back head, the neck and other parts of the human body, and the length and other specifications of the lower bag body 33 can be adjusted according to the requirements of a user; because the lower parts of the lower bag bodies 33 are connected, the lower bag bodies 33 cannot be unfolded outwards after being expanded, and the head of the human body can be wrapped.

The above embodiments are provided to illustrate, reproduce and deduce the technical solutions of the present invention, and to fully describe the technical solutions, the objects and the effects of the present invention, so as to make the public more thoroughly and comprehensively understand the disclosure of the present invention, and not to limit the protection scope of the present invention.

The above examples are not intended to be exhaustive of the invention and there may be many other embodiments not listed. Any alterations and modifications without departing from the spirit of the invention are within the scope of the invention.

Claims

1. The safety helmet is characterized by comprising a helmet body, a compressed gas cylinder, an air bag and a control circuit, wherein the lower part of the helmet body is provided with a brim extending laterally, the compressed gas cylinder, the air bag and the control circuit are fixed on the helmet body, at least part of the air bag is positioned below the brim, the compressed gas cylinder is provided with a control switch, the compressed gas cylinder is communicated with the air bag through the control switch, the control circuit is provided with a sensing element, and the control switch is electrically connected with the control circuit.

2. The safety helmet of claim 1, wherein the compressed gas cylinder and the control circuit are disposed below the brim.

3. The safety helmet of claim 1, further comprising a fixing strip, wherein the airbag is folded under the brim and is fixed by the fixing strip.

4. The safety helmet according to any one of claims 1 to 3, further comprising a fastening strap, wherein the airbag comprises a lower bag body and an upper bag body, a fastening member is provided on the inner side of the helmet body, the fastening strap is provided on the inner side of the helmet body and connected to the fastening member, the upper bag body is provided on a region between the helmet body and the fastening strap, and the lower bag body is provided under the brim.

5. The safety helmet of claim 4, wherein the fastening strap is connected to the fixing member by a sliding mechanism.

6. The safety helmet as claimed in claim 5, wherein the fixing band comprises a band body and a top fixing ring, the two band bodies are connected with the fixing ring, a sliding groove is formed on the fixing ring, the fixing member is in sliding fit with the sliding groove, and corresponding concave-convex teeth are formed between the sliding groove and the fixing member.

7. The headgear of claim 6, wherein the number of the sliding mechanisms is four, and the four sliding mechanisms are spaced apart along a circumferential direction of the headgear body.

8. The safety helmet as claimed in claim 4, wherein the plurality of fixing members are spaced apart along the inner wall of the helmet body; the upper bag body comprises a top bag body and a plurality of connecting bag bodies, the top bag body is positioned at the top of the inner side of the cap body, the connecting bag bodies are separated by the fixing piece at intervals, and the top bag body is communicated with the lower bag body through the connecting bag bodies.

9. The safety helmet as claimed in claim 8, wherein the lower capsules are plural and are respectively extended downward from the connection capsule, and lower sides of the plural lower capsules are connected.

10. The safety protection method is characterized by comprising the following steps:

receiving a starting signal, and starting the safety helmet;