An integrated vital sign monitoring smart hard hat

Abstract

This invention relates to the field of safety helmet technology and discloses an intelligent safety helmet with integrated vital sign monitoring. It includes a helmet body, a vital sign monitoring module, an early warning device, a positioning module, a power supply module, and adjustment components. The vital sign monitoring module, consisting of heart rate, blood oxygen, and body temperature sensors, is located at the liner fitting end. The helmet body has a Beidou + UWB dual-mode positioning module. The early warning device, consisting of an audible and visual alarm and a vibration motor, is located on the brim and inner side. An independent power supply module is located in the rear mounting compartment. Adjustment components with return springs are located on both sides. This device can monitor the vital signs of workers in real time, triggering local multi-form early warnings and transmitting abnormal data and precise positioning information to a remote terminal when abnormalities occur. The adjustment components allow for quick removal and adjustment of the chin strap, and pressure sensors detect the tightness of the helmet. Each module is independently designed for easy maintenance and replacement. The power supply module is detachable and rechargeable, making it suitable for high-risk work scenarios and improving the protection and intelligence level of the safety helmet.

Description

Technical Field

[0001] This invention relates to the field of safety helmet technology, specifically to a smart safety helmet with integrated vital sign monitoring. Background Technology

[0002] Smart safety helmets are essential safety protection equipment in high-risk industries such as construction, mining, and chemical production. They need to not only provide traditional head impact protection but also meet the safety monitoring and management needs of workers. While some existing smart safety helmets integrate simple positioning or alarm functions, they lack the ability to monitor workers' vital signs in real time, such as heart rate, blood oxygen, and body temperature. This makes it difficult to detect abnormal physical conditions in workers in a timely manner, potentially leading to safety accidents.

[0003] Chinese utility model patent CN218008342U discloses an intelligent safety helmet comprising a helmet body, a chin strap, an integrated sensor unit, and a control unit. The integrated sensor unit includes a temperature sensing module, a posture sensing module, and a light-based pulse sensing module. The chin strap is fixed to both sides of the helmet body. The integrated sensor unit is attached to the side of the chin strap closest to the skin and is electrically connected to the control unit. The intelligent safety helmet monitors whether the user is wearing the helmet correctly through the temperature and posture sensing modules. After confirming correct wearing, it obtains the user's vital signs data through the light-based pulse sensing module to monitor the user's safety and facilitate timely assistance when abnormal physical conditions occur.

[0004] However, existing smart helmets still have the following drawbacks: Existing smart safety helmets, if relying solely on a single positioning method, have low positioning accuracy indoors or in complex working conditions. When workers have accidents, managers cannot quickly and accurately locate and rescue them. Furthermore, some safety helmets have complex chin strap adjustment and fixing structures, resulting in low wearing comfort. They also cannot detect the tightness of the chin strap, posing a risk of protective failure.

[0005] The existing smart safety helmets mostly have integrated monitoring and early warning modules. When a sensor or early warning component malfunctions, disassembly and maintenance are difficult, requiring the replacement of the entire component, which increases the cost of use. In addition, the power supply module has poor battery life and cannot meet the needs of long-term outdoor operations. Summary of the Invention

[0006] The purpose of this invention is to provide a smart safety helmet with integrated vital sign monitoring to solve the problems mentioned in the background art.

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution: an intelligent safety helmet with integrated vital sign monitoring, comprising a helmet body, a vital sign monitoring module and an early warning device, wherein a helmet liner is fixedly connected to the inner side of the helmet body, the vital sign monitoring module is fixedly connected to the fitting end of the helmet liner, an installation groove is formed at the top of the helmet body, a positioning module is fixedly connected inside the installation groove, a helmet brim is fixedly connected to the front end of the helmet body, the early warning device is embedded and fixed inside the helmet brim, an installation compartment is fixedly connected to the rear side of the helmet body, and a power supply module is fixedly connected inside the installation compartment.

[0008] Preferably, the vital signs monitoring module includes a heart rate sensor, a blood oxygen sensor, and a body temperature sensor, all of which are embedded and fixed in the temples and forehead of the cap liner. The vital signs monitoring module is electrically connected to a data processing module, which is fixed to the inner sidewall of the cap.

[0009] Preferably, the early warning device includes an audible and visual alarm and a vibration motor. The audible and visual alarm is embedded in the front end of the brim, and the vibration motor is symmetrically fixed on both sides of the inside of the hat. The early warning device is electrically connected to the data processing module, and the positioning module is a Beidou + UWB dual-mode positioning structure and is electrically connected to the data processing module.

[0010] Preferably, adjustment components are symmetrically arranged on both sides of the cap body. The adjustment components include adjustment plates and connecting straps. The adjustment plates are embedded inside the two sides of the cap body. One end of the adjustment plate is fixedly connected to a locking post. The locking post passes through the cap body and is embedded in a slot opened in the connecting strap. The end of the connecting strap is fixedly connected to a chin rest. A pressure sensor is embedded on the surface of the chin rest.

[0011] Preferably, guide posts are fixedly connected inside both sides of the cap body, the guide posts pass through the adjustment plates on both sides, and a return spring is sleeved on the outside of the guide posts. The two ends of the return spring are fixedly connected to the adjustment plate and the inner wall of the cap body, respectively. The pressure sensor is electrically connected to the data processing module.

[0012] Compared with the prior art, the beneficial effects achieved by the present invention are: By installing a vital signs monitoring module consisting of multiple sensors for heart rate, blood oxygen, and body temperature at the liner, the system can collect the core vital signs data of workers in real time. After analysis by the data processing module, if the detected vital signs value exceeds the preset safety threshold, it will simultaneously trigger an audible and visual alarm and a vibration motor for local early warning. At the same time, the data processing module will transmit the abnormal vital signs data and the precise location information of the positioning module to the remote monitoring terminal, enabling remote monitoring and timely rescue by management personnel, thus solving the problem of traditional safety helmets lacking vital signs monitoring and precise positioning.

[0013] The adjustable assembly, consisting of an adjustment plate, locking pin, and return spring, allows for quick disassembly and tightness adjustment of the connecting strap and chin rest. Pinch the adjustment plates on both sides to separate the locking pin from the slot of the connecting strap, facilitating maintenance and replacement of the connecting strap, chin rest, or monitoring components inside the cap. Simultaneously, a pressure sensor on the surface of the chin rest detects the tightness of the fit; if it is not tightened, an alarm is triggered to ensure protective effectiveness. The power supply module is independently located in the rear mounting compartment, facilitating disassembly, charging, and replacement to meet the needs of long-term operation. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a top view of the present invention; Figure 3 This is a bottom view of the present invention; The components include: 1. Hat body; 101. Hat liner; 102. Mounting slot; 103. Hat brim; 104. Mounting compartment; 2. Vital signs monitoring module; 201. Heart rate sensor; 202. Blood oxygen sensor; 203. Body temperature sensor; 204. Data processing module; 3. Early warning device; 301. Audible and visual alarm; 302. Vibration motor; 4. Positioning module; 5. Power supply module; 6. Adjustment assembly; 601. Adjustment plate; 602. Connecting strap; 603. Locking post; 604. Locking slot; 605. Chin rest; 606. Pressure sensor; 607. Guide post; 608. Return spring. Detailed Implementation

[0015] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0016] Please see Figure 1-3 A smart safety helmet integrating vital sign monitoring includes a helmet body 1, a vital sign monitoring module 2, and an early warning device 3. A helmet liner 101 is fixedly connected to the inside of the helmet body 1, and the vital sign monitoring module 2 is fixedly connected to the fitting end of the helmet liner 101. An installation groove 102 is opened at the top of the helmet body 1, and a positioning module 4 is fixedly connected inside the installation groove 102. A helmet brim 103 is fixedly connected to the front end of the helmet body 1, and the early warning device 3 is embedded inside the helmet brim 103. An installation compartment 104 is fixedly connected to the rear side of the helmet body 1.

[0017] Specifically, the power supply module 5 is fixedly connected inside the installation compartment 104. The power supply module 5 is a rechargeable lithium battery, which connects to all electrical equipment of this device through wires and communicates wirelessly with the remote control terminal to achieve independent power supply and remote control. The cap body 1 is made of high-strength engineering plastic to ensure basic anti-collision protection performance.

[0018] Through the above technical solution, the vital signs monitoring module 2 includes a heart rate sensor 201, a blood oxygen sensor 202, and a body temperature sensor 203.

[0019] Specifically, the heart rate sensor 201, blood oxygen sensor 202, and body temperature sensor 203 are all embedded and fixed in the temples and forehead of the cap liner 101 to ensure close contact between the sensors and the human skin, thereby improving the accuracy of the monitoring data. The vital signs monitoring module 2 is electrically connected to the data processing module 204. The data processing module 204 is a microcontroller fixed to the inner side wall of the cap body 1. The data processing module 204 can perform real-time analysis and comparison of the collected vital signs data and preset multiple safety thresholds to adapt to the vital signs monitoring needs of different working conditions.

[0020] Through the above technical solution, the early warning device 3 includes an audible and visual alarm 301 and a vibration motor 302.

[0021] Specifically, the audible and visual alarm 301 is embedded in the front of the brim 103 and can emit a high-decibel alarm sound and flashing red and blue lights. The vibration motor 302 is symmetrically fixed on both sides of the inner side of the hat body 1. It realizes the physical warning of the workers through vibration and is suitable for high-noise working environments. The warning device 3 is electrically connected to the data processing module 204. The positioning module 4 is a Beidou + UWB dual-mode positioning structure and is electrically connected to the data processing module 204. It starts Beidou positioning in open outdoor environments and automatically switches to UWB ultra-wideband positioning indoors or in complex working conditions. The positioning accuracy can reach 0.5 meters, ensuring accurate positioning and rescue.

[0022] Through the above technical solution, adjustment components 6 are symmetrically arranged on both sides of the cap body 1. The adjustment components 6 include adjustment plates 601 and connecting straps 602. The adjustment plates 601 are embedded inside both sides of the cap body 1. One end of the adjustment plates 601 is fixedly connected to a locking post 603. The locking post 603 penetrates the cap body 1 and is embedded in the locking groove 604 opened in the connecting strap 602. The locking groove 604 is opened at equal intervals along the length direction of the connecting strap 602.

[0023] Specifically, it can achieve multi-level adjustment of wearing tightness. The connecting strap 602 is made of elastic and wear-resistant material, and its end is fixedly connected to the chin support 605. The chin support 605 has a pressure sensor 606 embedded on its surface. The pressure sensor 606 can detect the contact pressure between the chin support and the human chin to determine the wearing tightness.

[0024] Through the above technical solution, guide posts 607 are fixedly connected to the inside of both sides of the cap body 1, and the guide posts 607 penetrate through the adjustment plates 601 on both sides.

[0025] Specifically, the adjustment plate 601 acts as a guide and limiter for movement. A return spring 608 is sleeved on the outside of the guide post 607. The two ends of the return spring 608 are fixedly connected to the adjustment plate 601 and the inner wall of the cap 1, respectively. After the adjustment plate 601 is released, the elastic return force of the return spring 608 can drive the locking post 603 to re-embed into the locking slot 604, thereby achieving automatic fixation of the connecting strap 602. The pressure sensor 606 is electrically connected to the data processing module 204. If the pressure value detected by the pressure sensor 606 is lower than the preset threshold, it is determined that the chin strap is not fastened, and the data processing module 204 will trigger the warning device 3 to remind the user.

[0026] When using this safety helmet, the worker first pinches the adjustment plates 601 on both sides of the helmet body 1, causing the locking post 603 to separate from the slot 604 of the connecting strap 602. After adjusting the length of the connecting strap 602 according to the head size, the worker releases the adjustment plates 601. The return spring 608 causes the locking post 603 to be inserted into the corresponding slot 604 to achieve fixation. The chin rest 605 fits against the human chin. The pressure sensor 606 detects the contact pressure and transmits the data to the data processing module 204. If the pressure value is not up to standard, the warning device 3 is triggered to remind the worker to tighten the helmet again.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A smart safety helmet integrating vital sign monitoring, comprising a helmet body (1), a vital sign monitoring module (2), and an early warning device (3), characterized in that: The inner side of the cap body (1) is fixedly connected to the cap liner (101), the end of the cap liner (101) is fixedly connected to the vital signs monitoring module (2), the top of the cap body (1) has an installation groove (102), the installation groove (102) is fixedly connected to the positioning module (4), the front end of the cap body (1) is fixedly connected to the brim (103), the brim (103) is embedded and fixedly connected to the early warning device (3), the rear side of the cap body (1) is fixedly connected to the installation chamber (104), and the installation chamber (104) is fixedly connected to the power supply module (5).

2. The smart safety helmet with integrated vital sign monitoring according to claim 1, characterized in that: The vital signs monitoring module (2) includes a heart rate sensor (201), a blood oxygen sensor (202), and a body temperature sensor (203). The heart rate sensor (201), blood oxygen sensor (202), and body temperature sensor (203) are all embedded and fixed in the temples and forehead of the cap liner (101). The vital signs monitoring module (2) is electrically connected to the data processing module (204), which is fixed to the inner side wall of the cap body (1).

3. The smart safety helmet with integrated vital sign monitoring according to claim 1, characterized in that: The warning device (3) includes an audible and visual alarm (301) and a vibration motor (302). The audible and visual alarm (301) is embedded in the front end of the brim (103). The vibration motor (302) is symmetrically fixed on both sides of the inner side of the hat body (1). The warning device (3) is electrically connected to the data processing module (204). The positioning module (4) is a Beidou + UWB dual-mode positioning structure and is electrically connected to the data processing module (204).

4. The smart safety helmet with integrated vital sign monitoring according to claim 1, characterized in that: The hat body (1) is symmetrically provided with adjustment components (6) on both sides. The adjustment components (6) include adjustment plates (601) and connecting straps (602). The adjustment plates (601) are embedded inside both sides of the hat body (1). One end of the adjustment plates (601) is fixedly connected to a locking post (603). The locking post (603) penetrates the hat body (1) and is embedded in a slot (604) opened in the connecting strap (602). The end of the connecting strap (602) is fixedly connected to a chin rest (605). A pressure sensor (606) is embedded on the surface of the chin rest (605).

5. The smart safety helmet with integrated vital sign monitoring according to claim 1, characterized in that: The guide post (607) is fixedly connected to the inside of both sides of the cap body (1). The guide post (607) passes through the adjustment plate (601) on both sides. A reset spring (608) is sleeved on the outside of the guide post (607). The two ends of the reset spring (608) are fixedly connected to the adjustment plate (601) and the inner wall of the cap body (1) respectively. The pressure sensor (606) is electrically connected to the data processing module (204).

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