CN216019366U - Flexible plug-in device for safety helmet - Google Patents

Abstract

The utility model discloses a flexible plug-in device for safety helmets, which comprises at least two flexible shells which can be wrapped on a safety helmet head strap after being folded in half, wherein a cavity for accommodating a battery and a flexible circuit board is arranged in each flexible shell; the flexible shell and the flexible circuit board can both rely on the bending acting force of the helmet head strap in the horizontal direction to bend inwards to better fit with the forehead of a human body. The utility model has the advantages of safety, reliability, simple structure, convenient installation and high wearing comfort level, and can install the flexible plug-in device with the intelligent module without changing the structure of the safety helmet.

Description

Flexible plug-in device for safety helmet

Technical Field

The utility model relates to the technical field of safety protection tools, in particular to a flexible plug-in device for safety helmets.

Background

The safety helmet is also called a safety helmet, and is indispensable safety protection equipment in the fields of industrial production, construction and the like. The existing safety helmet has a functional module for monitoring human health indexes (heart rate, blood pressure, blood oxygen and body temperature), or the functional module is wholly or partially integrated on a circuit board and then installed on the safety helmet together with matched external equipment.

However, the following problems still exist in the prior art:

1) when the helmet is arranged on the helmet, the wearing comfort level is poor;

2) the intelligent module is arranged in the safety helmet, and the structure of the safety helmet needs to be changed to a certain extent due to the influence of the volume of the module and relevant peripheral equipment; however, the safety helmet is a special device, and the change of the structure may cause potential safety hazards or cause problems such as inconvenient application.

Based on the situation, the utility model provides a flexible plug-in device for safety helmets, which can effectively solve the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a flexible plug-in device for safety helmets. The utility model has the advantages of safety, reliability, simple structure, convenient installation and high wearing comfort level, and can install the flexible plug-in device with the intelligent module without changing the structure of the safety helmet.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

a flexible plug-in device for safety helmets comprises at least two flexible shells which can be wrapped on a head strap of a safety helmet after being folded in half, wherein a cavity for accommodating a battery and a flexible circuit board is formed in each flexible shell; the flexible shell and the flexible circuit board can both rely on the bending acting force of the helmet head strap in the horizontal direction to bend inwards to better fit with the forehead of a human body.

As a preferable technical scheme of the utility model, the two flexible shells are connected in a buckling manner through a male buckle part and a female buckle part.

In a preferred embodiment of the present invention, the two flexible housings are connected by a bendable connecting member.

As a preferable technical solution of the present invention, a wireless charging module for supplying power to a battery is further disposed inside the flexible housing.

As a preferred technical solution of the present invention, a flexible circuit board is disposed in one flexible housing, and a wireless charging module and a battery are disposed in the other flexible housing; the flexible circuit board is provided with a lead which extends into the other flexible shell and is electrically connected with the wireless charging module and the battery.

As a preferred technical scheme of the utility model, the flexible circuit board comprises a heart rate, blood oxygen and blood pressure detection module, an electric quantity detection module, a temperature sensing module, a voltage reduction module and a wireless transceiver module.

As a preferred technical scheme of the utility model, the heart rate, blood oxygen and blood pressure detection module and the temperature sensing module are uniformly distributed on the right side of the middle part of the flexible circuit board, the electric quantity detection module is distributed on the left side of the middle part of the flexible circuit board, and the wireless transceiver module and the voltage reduction module are respectively distributed on the upper part and the lower part of the flexible circuit board.

As a preferred technical scheme of the utility model, the flexible shell is flexible silica gel.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. the flexible plug-in device adopts the flexible circuit board and is wrapped by the flexible silica gel shell, so that the plug-in module can be bent and can be conveniently fixed on a common safety helmet on the market, the structure of the safety helmet is not required to be changed, and the structural safety of the safety helmet is ensured.

2. The flexible external hanging device with the flexible bending function can be better attached to the forehead of a human body, so that the measured heart rate, blood oxygen, blood pressure and body temperature data are more accurate.

Drawings

FIG. 1 is a schematic front view of the present invention after deployment;

FIG. 2 is a schematic view of the back side of the present invention after deployment;

FIG. 3 is a schematic diagram of a flexible circuit board structure of the present invention;

fig. 4 is a schematic diagram of an application structure of the present invention after being folded in half.

Reference numerals: 1. a flexible external hanging device; 1-1, male buckle parts; 1-2, a flexible housing; 1-3, a female buckle part; 1-4, a wireless charging module; 1-5, a battery; 1-6, a flexible circuit board; 1-6-1, a wireless transceiver module; 1-6-2, an electric quantity detection module; 1-6-3, a voltage reduction module; 1-6-4, a temperature sensing module; 1-6-5, a heart rate blood oxygen and blood pressure detection module; 1-7, connecting parts.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The present invention will be further described with reference to the following examples and figures 1-4, but the utility model is not limited thereto.

The embodiment provides a flexible plug-in device for safety helmets, and the flexible plug-in device 1 comprises flexible shells 1-2, flexible circuit boards 1-6, wireless charging modules 1-4 and batteries 1-5. The flexible shell 1-2 and the flexible circuit board 1-6 can be bent inwards by means of the bending acting force of the helmet head strap in the horizontal direction so as to be better attached to the forehead of a human body.

As shown in fig. 1, in a specific embodiment, a flexible circuit board 1-6 is disposed in one flexible housing 1-2, and a wireless charging module 1-4 and a battery 1-5 are disposed in the other flexible housing 1-2; the flexible circuit board 1-6 is provided with a lead wire which extends into the other flexible shell 1-2 to be electrically connected with the wireless charging module 1-4 and the battery 1-5. The flexible housing 1-2 is made of normal temperature flexible silica gel, and the flexible circuit board 1-6 is made of flexible base materials which are selected conventionally in the field, and the embodiment is not further described.

Further, as shown in fig. 2 and 4, the two flexible shells 1-2 are buckled and connected with each other through a male buckle part 1-1 and a female buckle part 1-3, the whole flexible plug-in device 1 is folded to be wrapped on a head band of the safety helmet and connected with the male buckle and the female buckle, and can be simply and quickly installed on any safety helmet; and the two flexible shells 1-2 are connected through a bendable connecting part 1-7, and the connecting part 1-7 is normal-temperature flexible silica gel.

As shown in fig. 3, in a specific embodiment, the flexible circuit board 1-6 includes a heart rate, blood oxygen and blood pressure detecting module 1-6-5, an electric quantity detecting module 1-6-2, a temperature sensing module 1-6-4, a voltage reducing module 1-6-3, and a wireless transceiver module 1-6-1 (such as a bluetooth module nrf52832), and the flexible circuit board 1-6 mainly includes 1 rectangular pattern (a semicircular notch is left in the middle to facilitate the male and female buckle connection).

Further, the wireless transceiver module 1-6-1 is installed on the upper portion of the rectangular graphic area of the flexible circuit board 1-6, and communicates with an intelligent safety belt or other bluetooth devices (such as a mobile phone, etc.) through bluetooth, and the reliability of data transmission is ensured by using a secure communication protocol. The electric quantity detection module 1-6-2 is installed on the left side of the middle of the rectangular graphic area of the flexible circuit board 1-6, and the voltage of the battery 1-5 is detected through a resistance voltage division method, so that the current capacity of the battery 1-5 is judged. The voltage reduction module 1-6-3 is installed at the lower part of the rectangular graphic area of the flexible circuit board 1-6, voltage reduction is carried out by adopting an LDO (low dropout regulator), the voltage size requirement of chip power supply is realized, meanwhile, the output voltage is stable, and signal acquisition is stable. The temperature sensing module 1-6-4 and the heart rate, blood oxygen and blood pressure detection module 1-6-5 are installed on the right side of the middle of a rectangular graph area of the flexible circuit board 1-6, the temperature sensing module 1-6-4 is used for measuring the body temperature of an operator, the heart rate, blood oxygen and blood pressure detection module 1-6-5 adopts a photoplethysmography (PPG) technology, a multi-wavelength photoelectric sensor is used for respectively obtaining the photoelectric plethysmography of a human body, then pulse wave characteristics of three wavelengths are extracted, and heart rate, blood oxygen and blood pressure data can be obtained by utilizing data analysis technologies such as machine learning.

Technical features (components/elements of the utility model) of the wireless transceiver module 1-6-1, the wireless charging module 1-4, the heart rate blood oxygen and blood pressure detection module 1-6-5, the electric quantity detection module 1-6-2, the temperature sensing module 1-6-4, the voltage reduction module 1-6-3, and the like are all obtained from conventional commercial approaches or manufactured by conventional methods if no special description is provided, and the specific structure, the working principle, the control mode and the spatial arrangement mode which may be involved adopt conventional selection in the field, which should not be regarded as innovation points of the utility model, and can be understood by those skilled in the art, and the patent of the utility model is not further specifically described in detail.

According to the description of the utility model and the attached drawings, a person skilled in the art can easily manufacture or use the flexible plug-in device for safety helmet, and can generate the positive effects recorded in the utility model.

Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.

Claims (8)

1. The utility model provides a safety helmet is with flexible external device which characterized in that: the flexible plug-in device (1) comprises at least two flexible shells (1-2) which can be folded in half and then wrapped on a helmet head strap, and a cavity for accommodating a battery (1-5) and a flexible circuit board (1-6) is formed in each flexible shell (1-2); the flexible shell (1-2) and the flexible circuit board (1-6) can be bent inwards to better fit the forehead of a human body by means of bending acting force of the helmet head strap in the horizontal direction.

2. The flexible clip-on device for helmets according to claim 1, wherein: the two flexible shells (1-2) are connected with each other in a buckling manner through a male buckle part (1-1) and a female buckle part (1-3).

3. The flexible clip-on device for helmets according to claim 1, wherein: the two flexible shells (1-2) are connected through a bendable connecting component (1-7).

4. The flexible clip-on device for helmets according to claim 1, wherein: and a wireless charging module (1-4) for supplying power to the battery (1-5) is also arranged in the flexible shell (1-2).

5. The flexible clip-on device for helmets according to claim 4, wherein: a flexible circuit board (1-6) is arranged in one flexible shell (1-2), and a wireless charging module (1-4) and a battery (1-5) are arranged in the other flexible shell (1-2); the flexible circuit board (1-6) is provided with a lead which extends into the other flexible shell (1-2) and is electrically connected with the wireless charging module (1-4) and the battery (1-5).

6. The flexible clip-on device for helmets according to claim 1, wherein: the flexible circuit board (1-6) comprises a heart rate blood oxygen and blood pressure detection module (1-6-5), an electric quantity detection module (1-6-2), a temperature sensing module (1-6-4), a pressure reduction module (1-6-3) and a wireless transceiver module (1-6-1).

7. The flexible clip-on device for helmets according to claim 6, wherein: the heart rate, blood oxygen and blood pressure detection module (1-6-5) and the temperature sensing module (1-6-4) are uniformly arranged on the right side of the middle part of the flexible circuit board (1-6), the electric quantity detection module (1-6-2) is arranged on the left side of the middle part of the flexible circuit board (1-6), and the wireless transceiver module (1-6-1) and the voltage reduction module (1-6-3) are respectively arranged on the upper part and the lower part of the flexible circuit board (1-6).

8. The flexible clip-on device for helmets according to claim 1, wherein: the flexible shell (1-2) is made of flexible silica gel.

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