CN218008346U

CN218008346U - Unlacing alarm safety helmet

Info

Publication number: CN218008346U
Application number: CN202221621641.5U
Authority: CN
Inventors: 严涵
Original assignee: Xingyi Engineering Technology Co ltd
Current assignee: Xingyi Engineering Technology Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-12-13
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses a non-laced alarm safety helmet, which comprises a safety helmet shell, an inner liner and a safety lace, wherein a plurality of first mechanical sensors are arranged on the inner liner in the direction towards the head, and second mechanical sensors are arranged on the safety lace in the positions of the chin and/or the cheek; a control box is arranged at the rear brim of the safety helmet shell, a controller is arranged in the control box, the controller is respectively and electrically connected with the first mechanical sensor and the second mechanical sensor through signal lines, the controller is also connected with an alarm through a cable, and the alarm is arranged above the outer side of the safety helmet shell; and a power supply is also arranged in the control box, and the power supply is respectively connected with and supplies power to the controller, the first mechanical sensor, the second mechanical sensor and the alarm. The safety helmet can quickly and accurately judge whether a wearer correctly wears the safety helmet and ties the safety belt, and is simple, convenient, stable and reliable.

Description

Unstrapped alarm safety helmet

Technical Field

The utility model relates to the safety helmet technical field, concretely relates to not frenulum alarm safety helmet.

Background

A safety helmet is a hat which has a protective function on the injury of the head of a person caused by falling objects and other specific factors. The safety helmet consists of a helmet shell, a helmet liner, a chin strap (safety tie), accessories and the like. Safety helmets are widely used in various industries to protect the safety of wearers, but in the actual application process, some operators wear irregular safety helmets and forget to tie safety ties, so that the safety helmets cannot achieve the safety protection effect.

Some reminding devices are designed for reminding the operator who does not accurately wear the safety helmet. In the prior art, a sensor is arranged on a lock catch of a safety belt to judge whether the lock catch is fastened, although the mode is simple, the situation that a wearer fastens the lock catch but the safety belt is not attached and fixed along a cheek and a chin exists, and a good safety protection effect cannot be achieved; although it is possible to determine whether a person wears a safety helmet by detecting the wearing pressure by providing a pressure sensor in the safety helmet, a situation of missing determination may occur only by detecting with a sensor inside the safety helmet.

Disclosure of Invention

The utility model aims at providing a non-lacing alarm safety helmet aiming at the problems existing in the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme:

an unlined alarm safety helmet comprises a safety helmet shell, wherein an inner lining is arranged in the safety helmet shell, a safety harness is connected to the lower portion of the safety helmet shell, a plurality of first mechanical sensors are arranged on the inner lining in the direction towards the head, and second mechanical sensors are arranged on the safety harness in the positions, attached to the chin and/or the cheeks; a control box is arranged at the rear brim of the safety helmet shell, a controller is arranged in the control box, the controller is respectively and electrically connected with the first mechanical sensor and the second mechanical sensor through signal wires, the controller is also connected with an alarm through a cable, and the alarm is arranged above the outer side of the safety helmet shell; and a power supply is also arranged in the control box, and the power supply is respectively connected with and supplies power to the controller, the first mechanical sensor, the second mechanical sensor and the alarm.

According to the safety helmet, the mechanical sensors are arranged on the lining and the safety belt at the same time, so that stress data of a plurality of point positions above and below the head can be at least acquired, whether a wearer correctly wears the safety helmet and ties the safety belt can be accurately judged according to comprehensive judgment of multipoint stress conditions, the whole judgment and identification process can be carried out through a controller and a simple program, and the safety helmet is simple, convenient and easy to realize; and the original structure of whole safety helmet can not change basically, does not destroy the original barrier propterty of safety helmet, and each part is easily installed and is set up, connects reliable and stable, can not cause extra puzzlement and injury to the human body.

When a wearer wears the safety helmet correctly and normally, the head of the wearer can be well attached to the lining, the cheeks and the safety ties at the chin and can also be attached to the skin without generating large gaps, the first mechanical sensor can acquire a stress value above the head, the second mechanical sensor can acquire a certain pressure value, and when the pressure values of the first mechanical sensor and the second mechanical sensor are both normal and are near a preset value, the wearer can be judged to be accurately worn without giving an alarm; if the wearer does not correctly wear the safety helmet, for example, the safety helmet is not attached to the head, the first mechanical sensor cannot acquire stress data or the stress value is obviously low, and then the wearer is judged to send an alarm if the wearer does not correctly wear the safety helmet; for example, if the safety harness of the safety helmet is not tied correctly, the second mechanical sensor cannot acquire the stress value or the acquired stress value is low, the harness is judged not to be tied, and an alarm is given. The stress values of the lining and the safety belt when the safety helmet is correctly worn can be obtained through a standard test mode, and the threshold ranges of the upper and lower position mechanical sensors can be obtained through simple technical analysis through limited tests.

The control box is arranged to facilitate the setting of the controller and the power supply, and the controller can receive and send instructions to complete alarm in cooperation with a program; the power supply can supply power for the sensors and the alarm; the control box is arranged on the rear brim of the safety helmet, so that the space of the rear brim can be utilized, and the normal use of the safety helmet is not influenced.

Furthermore, the first force sensor is embedded in the lining or adhered to the surface layer of the lining, and a signal wire of the first force sensor is led to the inner wall of the helmet shell and is drawn into the control box along the inner wall.

Normally, the inner liner and the inner wall of the helmet shell are spaced, the signal line of the first mechanical sensor is guided to the direction of the control box from the inner wall, the inner structure of the helmet shell does not need to be changed, the lead and the wiring are convenient, and the cables can be protected.

Further, the second mechanical sensor is embedded in the safety lacing or sewn on the surface layer of the lining, and a signal wire of the second mechanical sensor is led into the helmet shell along a wire running hole in the safety lacing and is connected into the control box.

The second mechanical sensor and the signal wire thereof are arranged in such a way that the second mechanical sensor can detect the stress at the safety belt without influencing the comfort of a wearer and the signal wire is not exposed outside.

Further, the first and second mechanical sensors are pressure sensors or stress strain gauges, respectively.

Furthermore, the power supply is a chargeable power supply, the alarm is an audible and visual alarm, and the controller is a micro PLC controller or a small control mainboard.

Through setting up socket on the control box can do through the power cord the power charges, adopts audible-visual annunciator can enough send the alarm sound, also can give light suggestion.

Furthermore, a box cover capable of being opened and closed is arranged on the rear wall of the control box, and a grid is arranged on the box cover and can play a role in ventilation; the power fixing clamping groove is arranged in the control box and used for clamping the power, the power is convenient to fix, a plurality of installation partition plates are arranged on the inner wall of the control box, and the installation partition plates are used for installing the controller.

Furthermore, a normally open switch is further arranged on the control box and connected with the power supply or the controller for controlling the on-off of the power supply. In the normal use in the normally open switch is the on-state, guarantees the transmission of signal and electric power, and non-user state for example accomodate, when transporting, can close normally open switch avoids under the non-wearing state pressurized and report to the police.

Furthermore, a first wiring hole is formed in the top of the safety helmet shell and used for penetrating a cable of the alarm; and a second wiring hole is formed at the joint of the safety helmet shell and the control box.

Furthermore, a convex rib extending from front to back is arranged above the safety helmet shell, the cable or the signal line is pulled to the control box along the inner side of the convex rib, and a plurality of elastic ropes are arranged on the inner side of the convex rib.

Compared with the prior art, the beneficial effects of the utility model are that: 1. according to the safety helmet, the mechanical sensors are arranged on the lining and the safety belt at the same time, so that stress data of a plurality of point positions above and below the head can be at least acquired, whether a wearer correctly wears the safety helmet and ties the safety belt can be accurately judged according to comprehensive judgment of multipoint stress conditions, the whole judgment and identification process can be carried out through a controller and a simple program, and the safety helmet is simple, convenient and easy to realize; 2. the original structure of the whole safety helmet cannot be changed basically, the original protection performance of the safety helmet is not damaged, all the parts are easy to install and arrange, the connection is stable and reliable, and no additional trouble or injury is caused to a human body; 3. the control box is arranged to facilitate the setting of the controller and the power supply, and the controller can receive and send instructions to complete alarm in cooperation with a program; the power supply can supply power for the sensors and the alarm; the control box is arranged on the rear brim of the safety helmet, so that the space of the rear brim can be utilized, and the normal use of the safety helmet is not influenced.

Drawings

Fig. 1 is a schematic view of the overall structure of an unbelted alarm helmet according to the present invention;

FIG. 2 is a schematic cross-sectional view of the safety helmet shell of the present invention;

fig. 3 is a schematic cross-sectional structure view of the safety belt of the present invention;

fig. 4 is a schematic structural view of the rear wall of the control box of the present invention;

FIG. 5 is a schematic view of another unbelted warning helmet according to the present invention;

FIG. 6 is a schematic view of a partial cross-sectional structure of another helmet shell according to the present invention;

in the figure: 1. a helmet shell; 2. lining; 3. a safety harness; 4. a first kinematic sensor; 5. a second mechanical sensor; 6. a control box; 7. a controller; 8. a power source; 9. a normally open switch; 10. an alarm; 11. a wiring hole; 12. a first wiring hole; 13. a second wiring hole; 14. a box cover; 15. a grid; 16. a power supply fixing clamping groove; 17. installing a partition plate; 18. a convex rib; 19. a cable; 20. an elastic rope.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the drawings in the present application, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The first embodiment is as follows:

as shown in fig. 1 to 4, an alarm safety helmet without a strap comprises a safety helmet shell 1, wherein an inner liner 2 is arranged in the safety helmet shell 1, a safety strap 3 is connected to the lower portion of the safety helmet shell 1, a first mechanical sensor 4 is arranged in the middle of the inner liner 2 in the direction towards the head, and a second mechanical sensor 5 is arranged at the position, attached to the chin, of the safety strap 3; a control box 6 is arranged at the rear brim of the helmet shell 1, a controller 7 is arranged in the control box 6, the controller 7 is respectively and electrically connected with the first mechanical sensor 4 and the second mechanical sensor 5 through signal lines, the controller 7 is also connected with an alarm 10 through a cable, and the alarm 10 is arranged above the helmet shell 1; and a power supply 8 is further arranged in the control box 6, and the power supply 8 is respectively connected with and supplies power to the controller 7, the first mechanical sensor 4, the second mechanical sensor 5 and the alarm 10.

According to the safety helmet, the mechanical sensors are arranged on the lining 2 and the safety belt 3 at the same time, so that stress data of a plurality of point positions above and below the head can be at least obtained, whether a wearer correctly wears the safety helmet and ties the safety belt can be accurately judged according to comprehensive judgment of multipoint stress conditions, the whole judging and identifying process can be carried out through a controller and a simple program, and the safety helmet is simple, convenient and easy to realize; and the original structure of whole safety helmet can not change basically, does not destroy the original barrier propterty of safety helmet, and each part is easily installed and sets up, connects reliable and stable, can not cause extra puzzlement and injury to the human body.

When a wearer wears the safety helmet correctly and normally, the head of the wearer can be well attached to the lining 2, the cheeks and the safety ties 3 at the chin and can also be attached to the skin without generating large gaps, the first mechanical sensor 4 can acquire a force value above the head, the second mechanical sensor 5 can acquire a certain pressure value, and when the pressure values of the two are normal and near the threshold value, the wearer can be judged to be accurately worn without giving an alarm; if the wearer does not correctly wear the safety helmet, for example, the safety helmet is not attached to the head, the first mechanical sensor 4 cannot acquire stress data or the stress value is obviously low, and then the wearer is judged to send an alarm if the wearer does not correctly wear the safety helmet; for example, if the safety harness is not fastened correctly, the second mechanical sensor 5 cannot acquire the force value or the acquired force value is too low, it is determined that the harness is not fastened, and an alarm is issued. The stress values of the lining and the safety belt when the safety helmet is correctly worn can be obtained through a standard test mode, and the threshold ranges of the upper and lower position mechanical sensors can be obtained through simple technical analysis through limited tests.

The control box 6 is arranged to facilitate the arrangement of the controller 7 and the power supply 8, and the controller 7 can receive and send instructions to complete alarm in cooperation with a program; the power supply 8 can supply power to the sensors and the alarm; the control box 6 is arranged on the rear brim of the safety helmet, so that the space of the rear brim can be utilized, and the normal use of the safety helmet is not influenced.

Further, the first mechanical sensor 4 is embedded in the lining, and a signal wire of the first mechanical sensor 4 is led to the inner wall of the helmet shell 1 and is led into the control box 6 along the inner wall.

Normally, the lining 2 with have safe buffering interval between the inner wall of safety helmet casing 1, with the signal line of first mechanical sensor 4 from the inner wall to the direction guide of control box 6, need not change the inner structure of safety helmet casing 1, lead wire, wiring are comparatively convenient, also can protect these cables.

Further, the second mechanical sensor 5 is sewn in the safety harness 3, and a signal line of the second mechanical sensor 5 is drawn into the helmet shell 1 along a wiring hole 11 in the safety harness 3 and connected to the control box 6.

The second mechanical sensor 5 and its signal line are arranged in such a way that it can detect the stress at the safety harness without affecting the comfort of the wearer and without the signal line being exposed to the outside.

Further, the first and second

mechanical sensors

4 and 5 are micro pressure sensors, respectively.

Further, the power supply 8 is a rechargeable power supply, the alarm 10 is an audible and visual alarm, and the controller 7 is a micro PLC controller.

Through setting up socket on the control box 6 can do through the power cord power 8 charges, adopts audible-visual annunciator can enough send the police dispatch newspaper sound, also can give light suggestion.

Furthermore, a box cover 14 capable of being opened and closed is arranged on the rear wall of the control box 6, and a grid 15 is arranged on the box cover 14, so that the functions of ventilation and air permeability can be achieved; the power supply fixing device is characterized in that a power supply fixing clamping groove 16 for clamping the power supply 8 is formed in the control box 6, the power supply is convenient to fix, a plurality of mounting partition plates 17 are arranged on the inner wall of the control box 6, and the mounting partition plates 17 are used for mounting the controller.

Further, still be equipped with normally open switch 9 on the control box 6, normally open switch 9 is connected power 8 for control the opening and close of power 8. In the normal use process normally open switch 9 is the on-state, guarantees the transmission of signal and electric power, and non-user state for example when accomodating, transporting can close normally open switch 9 avoids under the non-wearing state pressurized and reports to the police.

Further, a first wire hole 12 is formed in the top of the helmet shell 1, and the first wire hole 12 is used for a cable 19 of the alarm 10 to pass through; the junction of the safety helmet shell 1 and the control box 6 is also provided with a second wiring hole 13, so that a signal wire and a cable can be conveniently led into the control box.

Example two:

the difference between this embodiment and the first embodiment is the structure of the helmet shell.

As shown in fig. 5 and 6, a rib 18 extending from front to back is provided above the helmet shell 1, the cable 19 and the signal line are drawn to the control box 6 along the inside of the rib 18, and a plurality of elastic cords 20 are provided on the inside of the rib 18.

The convex ribs 18 are arranged on some safety helmets, and the convex ribs 18 can enhance the anti-striking capacity of the safety helmets; cable and signal line just can utilize the inside recess that fin 18 produced is walked the line and is wired, cable and signal line can be fixed to the setting of elasticity rope 20, avoid it to drop.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An unlined alarm safety helmet comprises a safety helmet shell, wherein an inner liner is arranged in the safety helmet shell, and a safety harness is connected to the lower part of the safety helmet shell; a control box is arranged at the rear brim of the safety helmet shell, a controller is arranged in the control box, the controller is respectively and electrically connected with the first mechanical sensor and the second mechanical sensor through signal wires, the controller is also connected with an alarm through a cable, and the alarm is arranged above the outer side of the safety helmet shell; and a power supply is also arranged in the control box, and the power supply is respectively connected with and supplies power to the controller, the first mechanical sensor, the second mechanical sensor and the alarm.

2. The non-tethered alarm headgear of claim 1, wherein the first mechanical sensor is embedded in the inner liner or affixed to a skin of the inner liner, and a signal wire of the first mechanical sensor is routed to an inner wall of the headgear shell and along the inner wall into the control box.

3. The unlanded warning headgear of claim 1, wherein the second mechanical sensor is embedded in the safety harness or sewn into a skin of the inner liner, and a signal wire of the second mechanical sensor is routed into the headgear housing along a routing hole in the safety harness and connected to the control box.

4. The un-laced alert headgear of claim 1, wherein the first and second mechanical sensors are pressure sensors or stress strain gauges, respectively.

5. The unstrapped alarm headgear of claim 1, wherein the power source is a rechargeable power source, the alarm is an audible and visual alarm, and the controller is a micro PLC controller or a micro control motherboard.

6. The unstrapped alarm headgear of claim 1, wherein a lid is provided on a rear wall of the control box, the lid being openable and closable, the lid being provided with a grille; the control box is internally provided with a power supply fixing clamping groove for clamping the power supply, the inner wall of the control box is provided with a plurality of installation clapboards, and the installation clapboards are used for installing the controller.

7. The untied alarm safety helmet of claim 1, wherein a normally open switch is further disposed on the control box, and the normally open switch is connected to the power source or the controller for controlling the power source to be turned on or off.

8. The unlanded alarming helmet of claim 1, wherein a first wire hole is formed at the top of the helmet shell and used for a cable of the alarm to pass through; and a second wiring hole is formed at the joint of the safety helmet shell and the control box.

9. The unlanded warning helmet of claim 1 wherein the helmet shell has a rib extending from front to back above the shell, the cable or signal line being routed to the control box along the inside of the rib, and the rib having a plurality of elastic cords on the inside.