CN220529371U - Helmet and system for detecting driving fatigue - Google Patents

Abstract

The utility model provides a driver fatigue detects helmet and driver fatigue detecting system, driver fatigue detects helmet includes helmet and two camera device, and the helmet has the window district that exposes the driver's face, is connected with the goggles on the helmet, and the goggles can rotate to covering window district, and two camera device connect on the goggles, and two camera device are used for shooing driver's left eye and right eye respectively. The driving fatigue detection helmet disclosed by the utility model can safely and reliably acquire the fatigue data of a driver in real time in a non-contact mode.

Description

Helmet and system for detecting driving fatigue

Technical Field

The utility model relates to the technical field of helmets, in particular to a driving fatigue detection helmet and a driving fatigue detection system.

Background

Pilot fatigue is one of the important issues facing the modern air transportation industry, and fatigue affects not only the pilot's ability to quickly respond to an emergency situation, but also the pilot's judgment and decision making ability. As a high-pressure and high-risk industry, uncertainty of working time, long duty time, insufficient sleep and circadian rhythm disorder, and in addition, life, family and society factors influence, fatigue is a problem that each pilot and related institution must pay attention to. The fatigue driving monitoring research is mainly focused on motor vehicle drivers, and at present, human body information is collected by adopting contact type, such as electrocardio, heart rate, steering wheel angle and the like, related equipment is worn to collect brain electricity, eye information and the like, and sensing equipment is arranged on an instrument panel to monitor the driving state of a person. The pilot fatigue is relatively less studied, is very important to the aviation field, and has a direct relation with the flight safety. At present, a contact sensor is mainly adopted for a flight fatigue monitoring technology, but the contact sensor can cause discomfort to a pilot or influence driving operation in the flight process, so that real-time monitoring is difficult to realize.

Disclosure of Invention

In view of the above, the utility model provides a driving fatigue detection helmet which can safely and reliably acquire the fatigue data of a driver in real time in a non-contact manner.

The utility model provides a driver fatigue detects helmet, includes helmet and two camera device, and the helmet has the window district that exposes the driver's face, is connected with the goggles on the helmet, and the goggles can rotate to covering window district, and two camera device connect on the goggles, and two camera device are used for shooing left eye and the right eye of driver respectively.

In an embodiment of the present utility model, a flexible circuit board is disposed on the goggles, and the flexible circuit board is disposed along a lower edge of the goggles along a shape, and the two image pickup devices are electrically connected with the flexible circuit board.

In an embodiment of the present utility model, two mounting seats are provided on the goggles, the mounting seats are fixed on the lower edge of the goggles, and the two image pickup devices are respectively fixed on the two mounting seats.

In an embodiment of the utility model, a clamping groove is formed in the mounting seat, and the lower edge of the goggles is arranged in the clamping groove.

In an embodiment of the utility model, the mounting seat is provided with an extension part, the camera device is fixed on the extension part, two notches are arranged at the lower edge of the goggles, the two mounting seats are respectively arranged corresponding to the two notches, and the extension part is arranged in the notches.

In an embodiment of the utility model, the above-mentioned protruding portion comprises an inner surface facing the inside of the helmet, the camera device being fixed to the inner surface, the inner surface being arranged obliquely, the slope of the inner surface being such that the camera device faces the eyes of the driver.

In an embodiment of the present utility model, a protective member is disposed on the goggles, and the protective member covers the flexible circuit board and at least part of the lower edge of the goggles.

In an embodiment of the utility model, the driving fatigue detection helmet further comprises a switching circuit board and a data line, wherein the switching circuit board is fixed on the helmet or the goggles, the flexible circuit board and the data line are respectively and electrically connected with the switching circuit board, and contents shot by the two camera devices are output through the data line.

In an embodiment of the present utility model, a connector is connected to an end of the flexible circuit board, and a connector is connected to the adapting circuit board, and the flexible circuit board and the adapting circuit board are detachably connected through the connector and the connector.

The application also relates to a driving fatigue detection system, which comprises the driving fatigue detection helmet and a data processing host, wherein the data processing host is used for collecting contents shot by two camera devices and analyzing and obtaining fatigue data of a driver according to the contents shot by each camera device.

According to the driving fatigue detection helmet disclosed by the utility model, the two camera devices are arranged on the goggles, when the goggles can rotate to cover the window area, the left eye and the right eye of a driver are shot by the two camera devices, the watching data and the eye closing data of the driver are recorded, and further, the fatigue degree and the attention condition of the driver are analyzed and obtained, so that a guarantee is provided for better safe driving. Because the two camera devices can not influence the wearing experience of the driver, the fatigue data of the driver can be acquired safely and reliably in a non-contact mode in real time.

Drawings

Fig. 1 is a schematic perspective view of a driving fatigue detection helmet of the present application.

Fig. 2 is a perspective structural schematic view of the driving fatigue detection helmet shown in fig. 1.

Fig. 3 is a schematic cross-sectional view of the steering fatigue detection helmet of the present application in one direction.

Fig. 4 is a partially enlarged schematic structural view of the driving fatigue detection helmet shown in fig. 3.

Fig. 5 is a schematic perspective view of the mounting base of the present application.

Fig. 6 is a schematic structural view of the goggles of the present application.

Fig. 7 is a schematic cross-sectional view of the steering fatigue detection helmet of the present application in another direction.

Fig. 8 is a partially enlarged schematic structural view of the driving fatigue detection helmet shown in fig. 7.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

In the following description, reference is made to the accompanying drawings which describe several embodiments of the utility model. It is to be understood that other embodiments may be utilized and that mechanical, structural, electrical, and operational changes may be made without departing from the spirit and scope of the present utility model. The following detailed description is not to be taken in a limiting sense, and the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Although the terms first, second, etc. may be used herein to describe various elements in some examples, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element.

Furthermore, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including" specify the presence of stated features, steps, operations, elements, components, items, categories, and/or groups, but do not preclude the presence, presence or addition of one or more other features, steps, operations, elements, components, items, categories, and/or groups. The terms "or" and/or "as used herein are to be construed as inclusive, or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; A. b and C). An exception to this definition will occur only when a combination of elements, functions, steps or operations are in some way inherently mutually exclusive.

Fig. 1 is a schematic perspective view of the driving fatigue detection helmet according to the present application, fig. 2 is a schematic perspective view of the driving fatigue detection helmet shown in fig. 1, fig. 3 is a schematic cross-sectional view of the driving fatigue detection helmet according to the present application along a direction, fig. 4 is a schematic enlarged partial view of the driving fatigue detection helmet shown in fig. 3, and as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the driving fatigue detection helmet comprises a helmet 11 and two image pickup devices 12, the helmet 11 has a window area 101 exposing the face of the driver, goggles 111 are connected to the helmet 11, the goggles 111 are rotatable to cover the window area 101, the two image pickup devices 12 are connected to the goggles 111, and the two image pickup devices 12 are used for photographing the left eye and the right eye of the driver, respectively.

According to the driving fatigue detection helmet, the two camera devices 12 are arranged on the goggles 111, when the goggles 111 can rotate to cover the window area 101, the two camera devices 12 shoot the left eye and the right eye of a driver, the data of the fixation of the driver and the data of the closing of the eyes are recorded, the fatigue degree and the attention condition of the driver are analyzed and obtained, and a guarantee is provided for better safe driving. Because the two camera devices 12 do not influence the wearing experience of the driver, the fatigue data of the driver can be acquired safely and reliably in a non-contact manner in real time; the data, for example PERCLOS (Percentage of EyelidClosure), over Time (percentage of eye closure per unit Time) per unit Time (typically taking 1 minute or 30 seconds) for a proportion (70% or 80%) of eye closure, studies indicate that this data is highly correlated with fatigue; or status data such as blink time, blink rate, eye closure status, etc.

Alternatively, as shown in fig. 2 and 4, a flexible circuit board 13 (FPC) is provided on the goggles 111, the flexible circuit board 13 is provided along the lower edge of the goggles 111 in a conformal manner, and the two image pickup devices 12 are electrically connected to the flexible circuit board 13. Since the two image pickup devices 12 are mounted on one flexible circuit board 13, the structure processing data processing is simple. In this embodiment, the flexible circuit board 13 is mounted on the lower edge of the goggles 111 along with the shape, so that the flexibility is strong, the damage is not easy to pull, the occupied space for profiling fit is small, the mounting is convenient, and the lower view of the driver is not influenced.

Optionally, the thickness of the flexible circuit board 13 is 0.15mm to 0.35mm, for example, but not limited to, 0.2mm, 0.25mm, and 0.3 mm.

Alternatively, fig. 5 is a schematic perspective view of the mounting base of the present application, and as shown in fig. 4 and 5, two mounting bases 14 are provided on the goggles 111, the mounting bases 14 are fixed to the lower edge of the goggles 111, and the two image capturing devices 12 are respectively fixed to the two mounting bases 14. In the present embodiment, the image pickup device 12 and the flexible circuit board 13 connected to the image pickup device 12 are partially fixed on the mount 14, and the mount 14 provides a mounting point for the image pickup device 12, ensuring the stability of the image pickup device 12.

Alternatively, as shown in fig. 4 and 5, the mounting base 14 is provided with a clamping groove 104, and the lower edge of the goggles 111 is disposed in the clamping groove 104. In this embodiment, an adhesive may be disposed in the slot 104 to fix the mounting base 14 to the lower edge of the goggles 111.

In other embodiments, the mounting base 14 may be fixed to the inner surface of the goggles 111 by using an adhesive, or the mounting base 14 and the goggles 111 may be connected by using a bolt, but not limited thereto.

Optionally, fig. 6 is a schematic structural diagram of the goggles of the present application, as shown in fig. 4 and fig. 6, the mounting base 14 is provided with an extension 141, the image capturing device 12 is fixed on the extension 141, the lower edge of the goggles 111 is provided with two notches 103, the two mounting bases 14 are respectively corresponding to the two notches 103, and the extension 141 is disposed in the notch 103, that is, the image capturing device 12 is located in the notch 103 along with the extension 141, so that the appearance can be ensured, and the thickness can be reduced. In the present embodiment, the image pickup device 12 and the protruding portion 141 are accommodated in the notch 103, so that the overall thickness thereof, for example, the thickness thereof is less than or equal to 5mm, the overall thickness thereof is small, the weight increase is small, and the retraction and the lowering of the goggles 111 are not affected.

Alternatively, as shown in fig. 4 and 5, the protruding portion 141 includes an inner surface 1411 facing the inside of the helmet 11, the image pickup device 12 is fixed to the inner surface 1411, the inner surface 1411 is disposed obliquely, and the slope of the inner surface 1411 is such that the image pickup device 12 faces the eyes of the driver. The inner surface 1411 of the mount 14 ensures that the imaging device 12 is disposed in a tilted orientation against the eyes of the driver, and that the imaging data can be captured stably while obstructing the view of the driver's lower view.

Optionally, as shown in fig. 5, the protruding portion 141 further includes an outer surface 1412 facing the outer side of the helmet 11, where an angle between the outer surface 1412 and the inner surface 1411 is less than 90 °, for example, but not limited to, 15 °, 20 °, 25 °, 30 °, 35 °, 40 °.

Optionally, a protective member 15 is provided on the goggles 111, the protective member 15 covering the flexible circuit board 13 and at least a portion of the lower edge of the goggles 111. In this embodiment, the protection member 15 is made of a flexible material, such as leather, plastic or silica gel, for protecting the flexible circuit board 13; the protector 15 is fixed to the lower edge of the goggles 111, for example, with an adhesive.

Optionally, fig. 7 is a schematic cross-sectional structure diagram of the driving fatigue detection helmet of the present application along another direction, fig. 8 is a schematic partial enlarged structure diagram of the driving fatigue detection helmet shown in fig. 7, and as shown in fig. 1, fig. 7 and fig. 8, the driving fatigue detection helmet further includes a switching circuit board 16 and a data line 17, the switching circuit board 16 is fixed on the helmet 11 or the goggles 111, the flexible circuit board 13 and the data line 17 are respectively electrically connected with the switching circuit board 16, and contents shot by the two cameras 12 are output through the data line 17. In the present embodiment, the information captured by the two image capturing devices 12 is outputted to a host (data processing host) through the flexible circuit board 13, the switching circuit board 16 and the data line 17, and the host analyzes and processes the data information, thereby obtaining fatigue degree information of the driver.

Optionally, a USB interface is connected to an end of the data line 17 away from the switch circuit board 16, for outputting an electrical signal.

Alternatively, the adapter circuit board 16 is a flexible board (FPC) that can be fitted to the helmet 11 or the visor 111 in a conformal manner.

Alternatively, as shown in fig. 1, 2 and 8, the goggles 111 are connected with brackets 112 at opposite ends, the goggles 111 are rotatably connected to the helmet 11 through two brackets 112, and the adapting circuit board 16 is attached to one bracket 112 in a conformal manner.

Optionally, the surface of the interposer circuit board 16 is coated with a protective layer made of a flexible material, such as leather, plastic or silicone, but not limited thereto.

Optionally, a connector (not shown) is connected to an end of the flexible circuit board 13, and a connector (not shown) is connected to the adapting circuit board 16, so that the flexible circuit board 13 and the adapting circuit board 16 are detachably connected through the connector and the connector. In the embodiment, the connector and the connector can be spliced to realize electrical conduction, and the connector can be pulled out from the connector to disconnect the connector and the connector; of course, the adapting circuit board 16 and the flexible circuit board 13 may be integrally formed, but not limited thereto.

Optionally, a protective cover 113 is further disposed on the helmet 11, the protective cover 113 is fixed on the helmet 11, and an accommodating space 102 for accommodating the goggles 111 is formed between the protective cover 113 and the helmet 11; the goggles 111 may be accommodated in the accommodating space 102 or rotatably moved to the window region 101.

The driving fatigue detection helmet has high integration level and small volume size and weight.

The application further provides a driving fatigue detection system, which comprises the driving fatigue detection helmet and a data processing host (not shown), wherein the data processing host is used for collecting contents shot by the two camera devices 12 and analyzing and obtaining fatigue data of a driver according to the contents shot by each camera device 12. When the data processing host is powered on, the two image capturing devices 12 start capturing, captured data is transmitted to the data processing host, and the data processing host analyzes and processes the data and outputs fatigue data.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (10)

1. The utility model provides a driver fatigue detects helmet, its characterized in that includes helmet and two camera device, the helmet has the window district that exposes the driver's face, be connected with the goggles on the helmet, the goggles rotatable to cover the window district, two camera device connects on the goggles, two camera device is used for shooing respectively the left eye and the right eye of driver.

2. The driving fatigue detection helmet according to claim 1, wherein a flexible circuit board is arranged on the goggles, the flexible circuit board is arranged along the lower edge of the goggles in a conformal manner, and the two camera devices are electrically connected with the flexible circuit board.

3. The driving fatigue detection helmet according to claim 2, wherein two mounting seats are provided on the goggles, the mounting seats are fixed to the lower edge of the goggles, and the two image pickup devices are respectively fixed to the two mounting seats.

4. A driving fatigue detection helmet as claimed in claim 3, wherein the mounting base is provided with a clamping groove, and the lower edge of the goggles is arranged in the clamping groove.

5. The driving fatigue detection helmet according to claim 4, wherein the mounting base is provided with an extension portion, the image pickup device is fixed on the extension portion, two notches are provided at a lower edge of the visor, the two mounting bases are respectively provided corresponding to the two notches, and the extension portion is provided in the notches.

6. The driving fatigue detection helmet according to claim 5, wherein the protruding portion includes an inner surface facing an inner side of the helmet, the image pickup device is fixed to the inner surface, the inner surface is inclined, and a slope of the inner surface is such that the image pickup device faces eyes of the driver.

7. The driving fatigue detection helmet of claim 2, wherein a protector is provided on the visor, the protector covering the flexible circuit board and at least a portion of a lower edge of the visor.

8. The driving fatigue detection helmet according to any one of claims 2 to 7, further comprising a transfer circuit board and a data line, wherein the transfer circuit board is fixed on the helmet or the goggles, the flexible circuit board and the data line are electrically connected to the transfer circuit board, respectively, and contents captured by the two image capturing devices are output through the data line.

9. The steering fatigue detection helmet of claim 8, wherein a connector is connected to an end of the flexible circuit board, and a connector is connected to the adapter circuit board, and the flexible circuit board and the adapter circuit board are detachably connected through the connector.

10. A driving fatigue detection system, comprising the driving fatigue detection helmet according to any one of claims 1 to 9 and a data processing host, wherein the data processing host is used for collecting contents photographed by two photographing devices, and analyzing and obtaining fatigue data of the driver according to the contents photographed by each photographing device.