WO2019052031A1

WO2019052031A1 - Head-mounted display device and control method thereof

Info

Publication number: WO2019052031A1
Application number: PCT/CN2017/114943
Authority: WO
Inventors: 陈进
Original assignee: 歌尔股份有限公司
Priority date: 2017-09-18
Filing date: 2017-12-07
Publication date: 2019-03-21
Also published as: CN107490865A

Abstract

Provided are a head-mounted display device and a control method thereof. The head-mounted display device comprises a display main body (1) and a head-mounted assembly connected to the display main body (1). The head-mounted assembly comprises an annular head-mounted member (2) and a connection member (3) connected and fixed to the display main body (1) and the annular head-mounted member (2). The annular head-mounted member (2) comprises a housing (4), an inner support (5), and a pulley (7). The inner support (5) and the pulley (7) are provided inside the housing (4). The pulley (7) is partially exposed out of the housing (4). Rotation of the pulley (7) causes a change in an inner diameter of the inner support (5). The annular head-mounted member (2) further comprises a processing module provided inside the housing (4). The processing module is used to calculate, in real time, an inner diameter of the annular head-mounted member (2), and to feed back the same to a user. The invention enables a user to quickly make appropriate adjustment to an inner diameter of a head-mounted member, increases efficiency of a user wearing a display device, and prevents a problem of separation and damage of the device resulting from blind adjustment.

Description

Head mounted display device and control method thereof

Technical field

The present invention relates to the field of head-mounted display devices. More specifically, it relates to a head mounted display device and a control method thereof.

Background technique

With the advancement of VR/AR technology, head-mounted display devices have become more and more popular, and higher and higher requirements have been placed on the appearance and user experience performance of head-mounted display devices. Current head mounted display devices typically include a display body and a headgear assembly coupled to the display body. Wherein, the headwear assembly comprises an annular head cover and a connector for fixedly connecting the display body to the annular head cover. In use, the user can keep the display body in front of the face by fixing the ring head cover to the head, which is convenient for the user to use. In order to be able to fix the annular headgear to the user's head so that the user can use it stably, the user needs to adjust the size of the annular headgear to match the user's head. For this reason, when designing the annular head cover, a design that can adjust the size of the head cover is usually adopted. However, for users with different head contours, this design scheme will cause the user to adjust the size of the headgear multiple times each time, the operation process is cumbersome, and the display device has low loading efficiency. At the same time, in the process of repeated adjustment, it is easy to cause adverse consequences such as the display device falling off due to the un-locked headgear.

Therefore, it is necessary to provide a head-mounted display device that is convenient to wear, which reduces the wearing complexity of the display device and improves user experience.

Summary of the invention

An object of the present invention is to provide a head-mounted display device, which can feedback the size of the ring-shaped head cover to the user in real time while adjusting the ring-shaped head cover, so that the user can quickly adjust the appropriate ring-shaped head cover, reduce the wearing complexity of the display device, and improve User experience.

In order to achieve the above object, the present invention adopts the following technical solutions:

One aspect of the invention discloses a head mounted display device including a display body and a headgear assembly coupled to the display body,

The headgear assembly includes an annular head cover and a connecting member fixedly connecting the display body and the annular head cover;

The annular head cover includes an outer casing and an inner bracket and a roller disposed in the outer casing, the roller portion is exposed outside the outer casing, and the rotation of the roller drives the inner diameter of the inner bracket to change;

The annular head cover further includes a processing module disposed within the housing, the processing module for calculating the inner diameter of the annular head cover in real time and feeding back to the user.

Preferably, one side of the roller facing away from the user's head is uniformly provided with a roller boss that is diverged from the center of the roller. The processing module calculates the angle of rotation of the roller according to the number of roller bosses rotated when the roller rotates, and then calculates The inner diameter of the annular head cover is obtained.

Preferably, the processing module comprises:

a distance sensor corresponding to the roller boss of the roller for measuring a distance between the distance sensor and the roller;

The data processing module is electrically connected to the distance sensor, and is configured to calculate, according to the distance information measured by the distance sensor, the number of roller bosses that are rotated when the roller rotates, and obtain an inner diameter of the annular head cover;

And a feedback module electrically connected to the data processing module for feeding back an inner diameter of the annular head cover to a user.

Preferably, the outer casing includes a rear casing located behind the user's head near the outer side of the outer casing;

a middle bracket is disposed between the inner bracket and the rear housing;

The distance sensor is disposed on the middle bracket.

Preferably, the feedback module is at least one of a voice module, an indicator module, and a display module.

Preferably, the display module is a liquid crystal display disposed on the outer casing.

Preferably, the inner bracket is an annular rack having an opening, and two ends of the annular rack are respectively connected with the roller, and when the roller rotates, the two ends of the annular rack opening are moved toward each other.

Preferably, the processing module further includes a storage module, the storage module is configured to store at least one preset inner diameter;

The processing module compares the inner diameter of the annular head cover with each preset inner diameter stored by the storage module in real time, and feeds back the success information through the feedback module when the comparison is successful.

Another aspect of the present invention also discloses a method of controlling a head mounted display device, the method comprising:

Turn on the head mounted display device;

Rotate the roller to adjust the inner diameter of the inner bracket;

The processing module calculates the inner diameter of the annular head cover in real time and feeds back to the user;

The user rotates the roller according to the feedback inner diameter of the annular head sleeve until the desired inner diameter of the annular head sleeve is reached.

Preferably, the method further comprises:

The processing module stores the inner diameter of the at least one annular head cover selected by the user as a preset inner diameter;

When used again, the inner diameter of the annular head cover is compared with each preset inner diameter stored by the storage module, and the success information is fed back through the feedback module when the comparison is successful.

The beneficial effects of the present invention are as follows:

The head-mounted display device of the present invention adjusts the inner diameter of the inner sleeve by adjusting the inner diameter of the inner bracket by providing a roller and an inner bracket connected to the roller in the annular head cover, thereby adjusting the inner diameter of the inner sleeve. Further, a processing module is further disposed in the annular head cover, and the processing module can detect an angle of rotation of the roller, calculate an inner diameter of the current annular head cover in real time according to an angle of the rotation of the roller, and calculate an inner diameter of the first time when the user is used by the storage module. In contrast, when the inner diameter of the annular head cover adjusted by the roller is consistent with the size of the stored inner diameter, the feedback module can feedback the size of the head diameter or the adjustment completion information to the user, and the user can quickly determine the information fed back by the feedback module. The proper inner diameter of the headgear improves the efficiency of the user wearing the display device and the user experience, and prevents accidents such as falling off and falling of the device caused by blind adjustment.

DRAWINGS

The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

1 is a schematic external view of a specific embodiment of a head mounted display device according to the present invention;

2 is an exploded perspective view showing a specific embodiment of a head mounted display device according to the present invention;

3 is a schematic view showing a roller of a specific embodiment of a head mounted display device according to the present invention;

Reference mark:

1. Display main body, 2, annular head cover, 3, connecting piece, 4, outer casing, 41, rear casing, 5, inner bracket, 6, middle bracket, 7, roller, 71, roller boss, 8, distance sensor, 9, digital display module.

Detailed ways

In order to explain the present invention more clearly, the present invention will be further described in conjunction with the preferred embodiments and the accompanying drawings. Similar components in the drawings are denoted by the same reference numerals. It should be understood by those skilled in the art that the following detailed description is intended to be illustrative and not restrictive.

The head-mounted display device of the present invention is provided with an inner bracket and a roller connected to the inner bracket in an annular head sleeve that can be fixed to the user's head, and can change the inner diameter of the inner bracket when the roller rotates, thereby changing the inner diameter of the annular head cover, so that the user The ring head cover can be fixed by changing the size of the ring head cover The head of the household or the ring head cover is removed from the user's head. A processing module is further disposed in the annular head cover, and the inner diameter of the annular head cover that changes due to the change of the inner bracket is calculated in real time by the processing module, and the inner diameter of the annular head cover is fed back to the user. By real-time feedback of the inner diameter of the annular head cover, the user can select the appropriate inner diameter of the annular head cover according to the needs, quickly adjust the inner diameter of the annular head cover, improve the efficiency of the user's fixed display device, and prevent accidents such as falling off and falling of equipment caused by blind adjustment. .

1 is a schematic perspective view showing a specific embodiment of a head mounted display device according to the present invention, FIG. 2 is an exploded perspective view showing a specific embodiment of a head mounted display device according to the present invention, and FIG. 3 is a view showing a head according to the present invention. A schematic view of a wheel of a particular embodiment of a display device.

The head mounted display device in this embodiment includes a display body 1 and a headgear assembly connected to the display body 1.

The headgear assembly includes an annular head cover 2 and a connector 3 fixedly connecting the display body 1 and the annular head cover 2. The connecting member 3 in this embodiment is a two-plate structure in which the two side faces of the display main body 1 are respectively connected to the annular head cover 2.

The annular head cover 2 includes a housing 4 and an inner bracket 5 and a roller 7 disposed in the housing 4. The roller 7 is partially exposed outside the outer casing 4, and the user can control the roller 7 to roll outside the annular head cover 2, and the rotation of the roller 7 can drive the inner diameter of the inner bracket 5 to change.

As a preferred embodiment, in the embodiment, the inner bracket 5 is an annular rack having an opening, and two ends of the annular rack are respectively connected with the roller 7, and when the roller 7 rotates, the annular rack opening is driven. The two ends move toward each other, so that when the user rolls the roller 7 in different directions, the size of the annular rack changes, thereby realizing the adjustment of the inner diameter of the annular head cover 2, and the structure is simple and easy to operate.

The annular head cover 2 further includes a processing module disposed within the outer casing 4, and the processing module can calculate the inner diameter of the annular head cover 2 in real time and feed back to the user.

As a preferred embodiment, in one embodiment, the roller 7 is disposed on the side facing away from the user's head, and the roller boss 71 is dispersed around the center of the roller 7. The processing module rotates according to the roller when the roller 7 rotates. The number of stages 71 is calculated by the angle at which the roller 7 is rotated, and the inner diameter of the annular head cover 2 is calculated.

The processing module can include a distance sensor 8, a data processing module, and a feedback module.

The distance sensor 8 corresponds to the roller boss 71 of the roller 7 for measuring the distance between the distance sensor 8 and the roller 7 in real time. When the roller 7 is rotated until the roller boss 71 is facing the distance sensor 8, the distance is The distance detected by the sensor 8 is the distance between the distance sensor 8 and the surface of the roller boss 71. The roller boss 71 protrudes from the surface of the roller 7, and the distance detected by the distance sensor 8 changes. During the continuous rotation of the roller 7, the distance sensor can be used according to the distance sensor. 8 The detected distance change condition can determine the number of the turned roller bosses 71, according to the angle between the adjacent two roller bosses 71, The angle at which the roller 7 is rotated is calculated.

In the embodiment, the outer casing 4 includes a rear casing 41 located behind the user's head and adjacent to the outer side of the outer casing 4. The inner bracket 5 and the rear casing 41 are provided with a middle bracket 6, the distance sensor. 8 can be disposed on the middle bracket 6, and a recess for accommodating the distance sensor 8 can be disposed on the middle bracket 6 to reduce the space in the annular head cover 2 occupied by the distance sensor 8, and improve the space in the annular head cover 2. Utilization rate.

The data processing module is electrically connected to the distance sensor 8, and the number of the roller bosses 71 that are rotated when the roller 7 rotates can be calculated according to the distance information transmitted by the distance sensor 8, and the inner diameter of the annular head cover 2 is obtained.

The feedback module is electrically connected to the data processing module and can be used to feed back the inner diameter of the annular head cover 2 to the user. The feedback module may select at least one of a voice module, an indicator module, and a display module. In this embodiment, the display module is a liquid crystal display disposed on the outer casing 4. Specifically, the liquid crystal display is disposed on the rear casing to facilitate user viewing.

As a preferred implementation, the processing module may further include a storage module for storing at least one preset inner diameter. The processing module can compare the inner diameter of the annular head cover 2 with each preset inner diameter stored by the storage module in real time, and feed back the success information through the feedback module when the comparison is successful. The preset inner diameter may be an appropriate inner diameter of the head sleeve selected by different users for the first time. When the user adjusts, the processing module stores the inner diameter of the head sleeve adjusted by the user in the storage module.

This embodiment also discloses a control method for a head mounted display device, the method comprising:

Turn on the head-mounted display device. The switch of the power module in the display device is turned on, so that the power module supplies power to the processing module and the display body 1.

The roller 7 is rotated to adjust the inner diameter of the annular head cover 2. The user can rotate the roller 7 exposed outside the annular head cover 2 to adjust the inner diameter of the annular head cover 2.

The processing module calculates the inner diameter of the annular headgear 2 in real time and feeds it back to the user. The distance sensor 8 of the processing module measures the distance between the distance sensor 8 and the roller 7 in real time. When the roller 7 rotates until the roller boss 71 faces the distance sensor 8, the distance detected by the distance sensor 8 is the distance sensor 8 and the roller convexity. The distance between the surface of the table 71, the roller boss 71 protrudes from the surface of the roller 7, and the distance detected by the distance sensor 8 changes. During the continuous rotation of the roller 7, the rotated roller can be determined according to the change of the distance detected by the distance sensor 8. The number of the bosses 71 can be calculated from the angle between the adjacent two roller bosses 71, and the angle at which the roller 7 is rotated can be calculated. The data processing module of the processing module is electrically connected to the distance sensor 8 , and the number of the roller bosses 71 that are rotated when the roller 7 rotates can be calculated according to the distance information transmitted by the distance sensor 8 , and the inner diameter of the annular head cover 2 is processed. . deal with A feedback module of the module is electrically coupled to the data processing module and can be used to feed back the inner diameter of the annular head cover 2 to a user. The feedback module can display the inner diameter of the annular head cover 2 in real time to the user through the liquid crystal display.

The user rotates the roller 7 according to the feedback inner diameter of the annular head sleeve 2 until the desired inner diameter of the annular head sleeve 2 is reached.

As a preferred implementation, the method further includes:

The annular head cover 2 stores the inner diameter of the annular head cover 2 used by the user as a preset inner diameter. The processing module may further include a storage module for storing at least one preset inner diameter.

When used again, the inner diameter of the annular head cover 2 is compared with each preset inner diameter stored by the storage module, and the success information is fed back through the feedback module when the comparison is successful. The processing module can compare the inner diameter of the annular head cover 2 with each preset inner diameter stored by the storage module in real time, and feed back the success information, such as a voice prompt, through the feedback module when the comparison is successful.

It is apparent that the above-described embodiments of the present invention are merely illustrative of the present invention and are not intended to limit the embodiments of the present invention, and those skilled in the art can also make the above description. It is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims

A head mounted display device, comprising: a display body and a headgear assembly connected to the display body,

The headgear assembly includes an annular head cover and a connecting member fixedly connecting the display body and the annular head cover;

The annular head cover includes an outer casing and an inner bracket and a roller disposed in the outer casing, the roller portion is exposed outside the outer casing, and the rotation of the roller drives the inner diameter of the inner bracket to change;

The annular head cover further includes a processing module disposed within the housing, the processing module for calculating the inner diameter of the annular head cover in real time and feeding back to the user.
A head-mounted display device according to claim 1, wherein one side of the roller facing away from the user's head is uniformly provided with a roller boss that is diverged from the center of the roller, and the processing module rotates according to the rotation of the roller. The number of roller bosses is used to calculate the angle of rotation of the roller, and the inner diameter of the annular headgear is calculated.
The head-mounted display device according to claim 2, wherein the processing module comprises:

a distance sensor corresponding to the roller boss of the roller for measuring a distance between the distance sensor and the roller;

The data processing module is electrically connected to the distance sensor, and is configured to calculate, according to the distance information measured by the distance sensor, the number of roller bosses that are rotated when the roller rotates, and obtain an inner diameter of the annular head cover;

And a feedback module electrically connected to the data processing module for feeding back an inner diameter of the annular head cover to a user.
A head-mounted display device according to claim 3, wherein the outer casing comprises a rear casing located behind the user's head near the outer side of the outer casing;

a middle bracket is disposed between the inner bracket and the rear housing;

The distance sensor is disposed on the middle bracket.
The head-mounted display device according to claim 1, wherein the feedback module is at least one of a voice module, an indicator module, and a display module.
The head-mounted display device according to claim 5, wherein the display module is a liquid crystal display disposed on the outer casing.
A head-mounted display device according to claim 1, wherein the inner bracket is an annular rack having an opening, and two ends of the annular rack are respectively connected to the roller, and the roller rotates At the same time, the two ends of the annular rack opening are moved toward each other.
The head-mounted display device according to claim 1, wherein the processing module further comprises a storage module, wherein the storage module is configured to store at least one preset inner diameter;

The processing module compares the inner diameter of the annular head cover with each preset inner diameter stored by the storage module in real time, and feeds back the success information through the feedback module when the comparison is successful.
A control method for a head mounted display device, characterized in that the method comprises:

Turn on the head mounted display device;

Rotate the roller to adjust the inner diameter of the inner bracket;

The processing module calculates the inner diameter of the annular head cover in real time and feeds back to the user;

The user rotates the roller according to the feedback inner diameter of the annular head sleeve until the desired inner diameter of the annular head sleeve is reached.
The method of controlling a head mounted display device according to claim 9, wherein the method further comprises:

The processing module stores the inner diameter of the at least one annular head cover selected by the user as a preset inner diameter;

When used again, the inner diameter of the annular head cover is compared with each preset inner diameter stored by the storage module, and the success information is fed back through the feedback module when the comparison is successful.