WO2018107778A1

WO2018107778A1 - Smart helmet and control method therefor

Info

Publication number: WO2018107778A1
Application number: PCT/CN2017/096482
Authority: WO
Inventors: 伍健庭
Original assignee: 威创集团股份有限公司
Priority date: 2016-12-15
Filing date: 2017-08-08
Publication date: 2018-06-21
Also published as: CN106617455A

Abstract

Provided is a smart helmet, comprising a helmet body (1), a projection device (3), and a visor (2) hinged to the helmet body (1). The projection device (3) is fixed to the helmet body (1), and is arranged between the helmet body (1) and the visor (2). The visor (2) is provided with a projection display layer. When the visor (2) and the helmet body (1) are closed, the projection device (3) receives projection information, and projects an output video image to the projection display layer to be displayed. The smart helmet can display travelling information by means of the visor (2), thereby improving riding safety.

Description

Intelligent helmet and its control method

Technical field

The invention relates to the technical field of outdoor sports safety technical support, in particular to a smart helmet and a smart helmet control method.

Background technique

In order to ensure safety during the riding, the user usually wears a helmet to protect the user's head from heavy objects. However, users wearing helmets often need to look down at the phone to understand their travel information, such as speed, time and route, during the ride, but in the process, because it is impossible to check the front of the ride, it is often It is prone to accidents.

In summary, since the helmet cannot display navigation information at present, the user has to bow down to view the travel information during the riding process, thereby reducing the safety of riding.

Summary of the invention

Based on this, it is necessary to provide a smart helmet for the above problems, and it is possible to display the traveling information through the goggles, thereby improving the safety of riding.

A smart helmet comprising: a helmet body, a projection device and goggles hinged to the helmet body;

The projection device is fixed on the helmet body, and is disposed between the helmet body and the goggles, and the goggles is provided with a projection display layer;

When the goggles are closed with the helmet body, the projection device receives projection information and projects the output video image onto the projection display layer for display.

The above-mentioned smart helmet has a projection display layer on the goggles, and the projection display layer is a projection area of the projection device, so the projection device can receive the received The projection information video image is output, and the output video image is projected onto the projection display layer for display. In this way, the user can directly understand the travel information through the screen image displayed on the goggles during the riding process, without having to look down on the travel letter on the mobile phone and the like frequently. Interest, which improves the safety of the user during the ride. Further, by arranging the goggles as a display screen of the projection device, the structure of the smart helmet is simplified while reducing the cost of the smart helmet.

There is also provided a smart helmet control method for the above smart helmet, comprising the following steps:

The projection device acquires projection information and processes the projection information to obtain a video image when the goggles are closed with the helmet body; the projection device projects the video image to the projection display layer Displayed on.

The smart helmet control method described above may control the projection device to process the acquired projection information to form the video image during shooting, and project the video image onto the projection display layer. Display. In this way, the user can be prevented from looking down at the travel information during the riding process, thereby improving the safety of the ride.

DRAWINGS

1 is a schematic structural view of a smart helmet in an embodiment;

2 is a schematic diagram showing the circuit structure of a smart helmet in an embodiment;

Figure 3 is a projection control of a smart helmet in a specific embodiment

4 is a flow chart of acceleration monitoring of a smart helmet in a specific embodiment.

detailed description

The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and preferred embodiments.

Referring to FIG. 1 , a smart helmet includes a helmet body 1 , a projection device 3 , and a goggles 2 hinged on the helmet body 1 , wherein the projection device 3 is fixed on the helmet body 1 and disposed at the Between the helmet body 1 and the goggles 2, the goggles 2 are provided with a projection display layer.

When riding, after the user wears the helmet body 1, the user only needs to rotate the goggles 2 to close the goggles 2 and the helmet body 1. Since the visor 2 is provided with a projection display layer, and the projection display layer is a projection area of the projection device 3, the projection device 3 during riding Receiving the projection information, wherein the projection information includes travel information of a user during riding, such as speed, time, pace, latitude and longitude, and navigation; and the projection device 3 is receiving the projection information. The projection information can then be converted to a video image output and the output video image projected onto the projection display layer for display. In this way, the user can directly understand the travel information through the screen image displayed on the goggles 2 during the riding process, without having to look down on the travel information on the mobile phone and the like frequently, thereby improving the user's riding process. Security in the middle. Further, by arranging the goggles 2 as a display screen of the projection device 3, the structure of the smart helmet is simplified while reducing the cost of the smart helmet.

In an embodiment, referring to FIG. 2, the projection device 3 may include a controller, a projector, and a communication unit, wherein the controller is respectively connected to the projector and the communication unit, the controller The mobile communication terminal is connected through the communication unit. Specifically, the controller may receive, by the communication unit, projection information sent by the mobile intelligent terminal, and forward the received projection information to the projector; and the projector receives the projection Information can be output as a video image. Illustratively, the projector may be one of a Head Up Display (HUD) or a DLP pico projector. When the HUD is used as the projector, it is necessary to ensure that the projection area of the HUD on the projection display layer of the visor 2 is level with the eyes of the user. When a DLP pico projector is used as the projector, the resolution of the video image can be improved, and the video image can be displayed in full color and more information can be displayed.

Further, in an embodiment, in order to enable the projector to adjust its projection brightness according to the ambient brightness, a brightness sensor 4 may be further added. Illustratively, the brightness sensor 4 may be fixed on the helmet body 1. And the brightness sensor 4 can be connected to the projector through the controller. The program within the controller can adjust the projected brightness of the projector based on the ambient brightness measured by the brightness sensor 4. Specifically, please refer to the flowchart shown in FIG. 3. After the main program is started, the controller controls the brightness sensor 4 to collect the ambient brightness, and then adjusts the projection brightness of the projector according to the collected ambient brightness. After the brightness adjustment is completed, the controller Control the projector to work. Illustratively, the receiver can be fixed on the helmet body 1. The receiver in this embodiment uses a GPS receiver, and of course other navigation system receivers. The GPS receiver can send the navigation information to the mobile phone through the built-in Bluetooth module of the controller, and the mobile phone background uses the application software to map the navigation information, the time, the speed and the like into a projection information similar to the riding route map. And the device is transferred to the projector by the controller to refresh the video image. Of course, in this process, it is necessary to ensure the connection between the controller and the mobile phone is successful. If the connection is unsuccessful, the controller may also directly send the navigation information received by the Bluetooth module to the projector and partially update the video image.

In order to ensure that the user can get a timely rescue during an accident such as a collision or a fall, in one embodiment, referring to FIG. 2 to FIG. 4, an acceleration sensor may be added to the helmet body 1 and The acceleration sensor is coupled to the controller. In this way, the acceleration sensor can transmit the measured acceleration of the helmet body 1 in a three-dimensional direction to the controller in real time, and the controller can determine whether the acceleration exceeds a preset range, when When the controller determines that the acceleration exceeds the preset range, the GSM interrupt signal is triggered, and the built-in GSM module of the controller can send the positioning short message and the emergency call to the emergency contact; and when the controller determines that the acceleration is not When the preset range is exceeded, the acceleration sensor can be controlled to continue measuring the acceleration of the helmet body 1 in three dimensions. Wherein, the preset range is used to indicate that the user wearing the helmet body 1 has no accident, and when the acceleration of the helmet body 1 in any one of the three directions is too large, that is, when the preset range is exceeded, the user can be predicted. An accident has occurred; the contact information of the emergency contact can be pre-stored in the built-in GSM module of the controller. In addition, in order to prevent the projection function of the smart helmet from being affected during the operation of the acceleration sensor, the controller in this embodiment may control the projection function and acceleration monitoring of the smart helmet by using a dual-thread mechanism. The main thread can be the control of the projection function, and the sub-thread can be the control of the acceleration monitoring.

In order to ensure that the smart helmet can work for a long time, in one embodiment, a solar panel 5 and a battery 6 may be added to the helmet body 1 , and the solar panel 5 and the battery 6 are both Controller connection. Illustratively, after the solar panel 5 converts solar energy into electrical energy, the lithium battery can be charged by a battery management module built in the controller, and the lithium battery can pass through a battery built in the controller. The management module supplies power to the controller and other devices connected to the controller. In order to facilitate the user to drive at night, in one embodiment, The illuminating lamp 10 is fixed to the helmet body 1 and the illuminating lamp 10 is connected to the controller. Illustratively, the light 10 can be an LED light. In addition, in one embodiment, the horn 8 and the microphone 7 can also be fixed on the helmet body 1 , and the horn 8 and the microphone 7 are both connected to the controller, so that the user can be avoided. During the riding process, due to some dangerous situations brought by answering the phone, the Bluetooth module built into the controller can be connected to the mobile phone to play music to eliminate the feeling of loneliness and exhaustion during the riding process, and bring a good ride to the user. Line experience.

In addition, in order to facilitate the control of the activation and deactivation of the functional devices, in one embodiment, a button 9 can be added to the helmet body 1 and the button 9 can be connected to the controller for each functional device, for example Control of the projection device 3, the illumination lamp 10, the acceleration sensor, the brightness sensor 4, the solar panel 5, the battery 6, the speaker 8, the microphone 7, and the receiver.

Referring to FIG. 3 and FIG. 4, a smart helmet control method applied to the above smart helmet includes the following steps: when the goggles 2 and the helmet body 1 are closed, the projection device 3 acquires projection information, and The projection information is processed to obtain a video image; the projection device 3 projects the video image onto the projection display layer for display.

The smart helmet control method described above may control the projection device 3 to process the acquired projection information to form the video image during the riding process, and project the video image to the projection display layer. Displayed on. In this way, the user can be prevented from looking down at the travel information during the riding process, thereby improving the safety of the ride.

In order to ensure that the user can obtain timely rescue during an accident during riding, it is also necessary to monitor the acceleration of the helmet body 1 in three dimensions, and to avoid the acceleration monitoring affecting the projection of the video image. Further, in one embodiment The controller of the projection device 3 can also be controlled by two threads, wherein the main thread realizes control of video image projection, and the sub-thread realizes acceleration monitoring. Specifically, when the goggles 2 and the helmet body 1 are closed, an acceleration sensor is activated to measure the acceleration of the helmet body 1 in a three-dimensional direction; the projection device 3 passes through the controller thereof. Obtaining the acceleration, and determining whether the acceleration exceeds the preset range; when the controller of the projection device 3 determines that the acceleration exceeds a preset range, a motion interruption signal is triggered, and the controller of the projection device 3 Send location SMS and emergency call calls to emergency contacts.

The technical features of the above-described embodiments may be arbitrarily combined. For the sake of brevity of description, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be considered as the scope of this manual.

The above-described embodiments are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the invention. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be determined by the appended claims.

Claims

A smart helmet, comprising: a helmet body, a projection device and goggles hinged on the helmet body;

The projection device is fixed on the helmet body, and is disposed between the helmet body and the goggles, and the goggles is provided with a projection display layer;

When the goggles are closed with the helmet body, the projection device receives projection information and projects the output video image onto the projection display layer for display.
The smart helmet of claim 1 wherein said projection device comprises a controller, a projector and a communication unit;

The controller is respectively connected to the projector and the communication unit, and the controller is connected to the mobile intelligent terminal through the communication unit;

The controller receives projection information sent by the mobile intelligent terminal by using the communication unit, and the controller forwards the received projection information to the projector;

The projector receives the projection information and projects the output video image onto the projection display layer for display.
The smart helmet of claim 2, further comprising: an acceleration sensor;

The acceleration sensor is connected to the controller;

The acceleration sensor measures acceleration of the helmet body in a three-dimensional direction, and forwards the acceleration to the controller, and when the controller determines that the acceleration exceeds a preset range, the controller sends a positioning short message and an emergency Call to emergency contact;

Wherein, the preset range is used to indicate that the user wearing the helmet body has no accident.
The smart helmet of claim 2, further comprising: a brightness sensor;

The brightness sensor is connected to the projector through the controller;

The brightness sensor measures an ambient brightness of the projector and transmits brightness information to the controller, and the controller adjusts a projected brightness of the projector according to the brightness information.
The smart helmet of claim 2 wherein said projector is one of a head up display or a DLP pico projector.
The smart helmet of claim 2, further comprising: a solar panel and a battery;

The solar panel and the battery are both connected to the controller.
The smart helmet of claim 2, further comprising: a receiver fixed to the helmet body and coupled to the controller.
The smart helmet of claim 2, further comprising:

An illumination lamp fixed to the helmet body and connected to the controller;

Or a horn and a microphone fixed to the helmet body and connected to the controller;

Or a button that is fixed to the helmet body and connected to the controller.
A smart helmet control method for use in the smart helmet of any one of claims 1 to 7, characterized in that it comprises the following steps:

The projection device acquires projection information and processes the projection information to obtain a video image when the goggles are closed with the helmet body; the projection device projects the video image to the projection display layer Displayed on.
The smart helmet control method according to claim 8, further comprising the steps of:

When the goggles and the helmet body are closed, an acceleration sensor is activated to measure the acceleration of the helmet body in a three-dimensional direction; the projection device acquires the acceleration through its controller, and determines Whether the acceleration exceeds the preset range; when the controller of the projection device determines that the acceleration exceeds a preset range, a motion interruption signal is triggered, and the controller of the projection device sends a positioning short message and an emergency call to an emergency Contact person.