CN114699086A

CN114699086A - VR equipment wearing comfort level detecting system

Info

Publication number: CN114699086A
Application number: CN202210324625.8A
Authority: CN
Inventors: 严小天; 马壮壮; 姜兴君; 夏梦迪; 申洋
Original assignee: Qingdao Virtual Reality Research Institute Co ltd
Current assignee: Qingdao Virtual Reality Research Institute Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-07-05

Abstract

The invention discloses a VR equipment wearing comfort level detection system, which belongs to the technical field of detection systems and comprises a processor, a plurality of pressure sensors and an electroencephalogram acquisition device, wherein the pressure sensors are electrically connected with the processor, the pressure sensors are used for measuring the pressure borne by a wearing part of a tester and sending the pressure value to the processor, the electroencephalogram acquisition device is used for acquiring an electroencephalogram signal on the scalp surface of the wearing part of the tester and sending the electroencephalogram signal to the processor, the processor judges whether each pressure value is in a comfort level interval or not and judges the pain value of the wearing part of the tester under the current pressure according to the electroencephalogram signal, the design comprehensively judges the wearing comfort level of VR equipment according to whether each pressure value is in the comfort level interval or not and the pain value, the obtained result is convenient and objective, and the condition that the tester feels painful when wearing the device for a long time due to insensitivity of the sense organ of the tester can be avoided, thereby providing a guide for the engineer's modifications.

Description

VR equipment wearing comfort level detecting system

Technical Field

The invention belongs to the technical field of detection systems, and particularly relates to a VR device wearing comfort level detection system.

Background

Virtual Reality (VR), also called smart technology or artificial environment, is a three-dimensional Virtual world generated by computer system simulation, and can provide simulation of senses such as vision, hearing, touch, etc. for a user, so that the user can see his own situation and observe things in the three-dimensional space in time without limitation. When the user moves, the computer can immediately perform complex operation and return the accurate three-dimensional space video to generate the presence. The technology integrates the latest development of technologies such as computer graphics, computer simulation, artificial intelligence, sensing, display, network parallel processing and the like, and is a high-technology simulation system generated by the assistance of computer technology. Along with the renewal of product, the user gives more attention to the travelling comfort of product, and in the VR equipment development process at present, need look for a large amount of people to verify and wear the comfort level, then collect user's feedback, carry out the structure and repair the mould, need consume a large amount of human costs like this. Meanwhile, the subjective evaluation of the verification crowd has no objectivity, and an accurate mould repairing direction cannot be provided for an engineer, so that the engineer needs to repair moulds for many times, and the period and time cost of product development are increased.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a VR equipment wearing comfort level detecting system, wearing comfort level that can convenient, objective reachs the product provides the direction of guidance for engineer's modification.

In order to solve the technical problems, the technical scheme of the invention is as follows:

the VR equipment wearing comfort level detection system comprises a processor, a plurality of pressure sensors and an electroencephalogram acquisition device, wherein the pressure sensors are electrically connected with the processor, the pressure sensors are used for measuring pressure borne by wearing parts of a test person and sending pressure values to the processor, the electroencephalogram acquisition device is used for acquiring electroencephalogram signals on the scalp surface of the wearing parts of the test person and sending the electroencephalogram signals to the processor, the processor judges whether each pressure value is in a comfort level interval or not and judges pain values of the wearing parts of the test person under the current pressure according to the electroencephalogram signals; the pressure sensor comprises a first pressure sensor used for detecting pressure on the horizontal direction of the wearing part of the tester, a second pressure sensor used for detecting pressure on the vertical direction of eyes of the tester and a third pressure sensor used for detecting pressure on ears of the tester.

Further, the first pressure sensor is dispersedly installed at a position where the head of the tester is positioned at the inner side of the host computer and the head band of the VR device.

Further, the second pressure sensor is installed below eyes of the tester at a position at the lower side edge of the host of the VR device.

Further, the third pressure sensor is mounted at a position where the ear of the tester is located inside an ear cup of the VR device.

Further, the third pressure sensor is attached to the scalp around the ear root, the inner part of the auricle, the outer part of the auricle, and the ear root in a distributed manner.

Further, the pressure sensor is a patch type pressure sensor.

Further, electroencephalogram collection device includes electrode cap module, brain electricity control module and signal transmission module, electrode cap module stimulation test personnel scalp produces the electroencephalogram signal and gathers the electroencephalogram signal that produces, the electroencephalogram control module receive with the electroencephalogram signal of conversion collection and send to signal transmission module, the electroencephalogram signal after signal transmission module will convert send to the treater.

Furthermore, the electrode cap module comprises a micro-current stimulator and a dry electrode, the micro-current stimulator outputs stimulation current to act on the scalp of the tester to generate electroencephalogram signals, and the dry electrode collects the electroencephalogram signals fed back from the scalp of the tester and sends the electroencephalogram signals to the electroencephalogram control module.

After the technical scheme is adopted, the invention has the beneficial effects that:

the VR equipment wearing comfort level detection system comprises a processor, a plurality of pressure sensors and an electroencephalogram acquisition device, wherein the pressure sensors are electrically connected with the processor, the pressure sensors are used for measuring the pressure applied to the wearing part of a test person and sending a pressure value to the processor, the electroencephalogram acquisition device is used for acquiring an electroencephalogram signal on the scalp surface of the wearing part of the test person and sending the electroencephalogram signal to the processor, and the processor judges whether each pressure value is in a comfort level interval and judges the pain value of the wearing part of the test person under the current pressure according to the electroencephalogram signal; pressure sensor is including being used for detecting the first pressure sensor of the position horizontal direction that the tester dresses the upper pressure of position, a third pressure sensor who is used for detecting the vertical direction of tester's eye on the second pressure sensor of received pressure and is used for detecting the tester ear pressure that receives, this design is in comfortable interval and the wearing comfort level of comprehensive judgement VR equipment of painful value through each pressure value, it is convenient and objective to obtain the result, can avoid the tester oneself sense organ insensitivity to lead to the condition that painful sense can appear in long-time dressing, thereby provide the direction of guidance for engineer's modification.

Drawings

Fig. 1 is a schematic structural diagram of a wearing comfort level detection system of a VR device in the invention;

in the figure, 1-a processor, 2-a first pressure sensor, 3-a second pressure sensor, 4-a third pressure sensor, 5-an electroencephalogram acquisition device, 6-an electrode cap module, 7-a micro-current stimulator, 8-a dry electrode, 9-an electroencephalogram control module and 10-a signal transmission module.

Detailed Description

The invention is further illustrated with reference to the following figures and examples.

All directions referred to in the present specification are based on the drawings, and represent relative positional relationships only, and do not represent absolute positional relationships.

As shown in fig. 1, VR equipment wearing comfort level detecting system, including treater 1, a plurality of pressure sensor and brain electricity collection system 5 of being connected with treater 1 electricity, pressure sensor is used for measuring the pressure that the testing personnel dresses the position department and sends the pressure value for treater 1, brain electricity collection system 5 is used for gathering the EEG signal of testing personnel dress position scalp surface and sends EEG signal for treater 1, whether processor 1 judges each pressure value to be in the comfort level interval, and judge the painful value of testing personnel dress position under current pressure according to EEG signal.

As shown in fig. 1, because host computer own weight is great, the host computer has certain decurrent pressure to user's eye skin around the VR equipment was dressed to the back, for guaranteeing the immersive effect of VR equipment, it also has certain inward pressure to avoid sound to leak ear muff itself, eye and ear skin are comparatively fragile, need distinguish with the skin of other positions of head, pressure sensor is including being used for detecting the first pressure sensor 2 that the testing personnel dressed the position pressure that receives on the horizontal direction, a second pressure sensor 3 that is used for detecting the testing personnel eye vertical direction on the pressure and be used for detecting the third pressure sensor 4 that the testing personnel ear received the pressure.

Wherein, first pressure sensor 2 dispersion is installed in the tester head and is located the inboard position of the host computer of VR equipment and bandeau, and second pressure sensor 3 is installed in the position of the host computer downside edge of tester eyes below the VR equipment, and third pressure sensor 4 is installed in the position that the tester ear is located the ear muff inboard of VR equipment. Specifically, the third pressure sensors 4 are attached to the scalp, the auricle inner side, the auricle outer side, and the auricle root around the auricle root in a distributed manner. The pressure sensor is a patch type pressure sensor, has small volume and light weight, and can not bring too much pressure to testers.

Judge whether each pressure of wearing the position is in comfortable interval and judge whether each pressure of wearing the position is even promptly, specifically do: calculating a first average value of the pressure values obtained by all the first pressure sensors 2, and whether the difference between the pressure value of each first pressure sensor 2 and the first average value is smaller than a uniform threshold value; calculating a second average value of the pressure values obtained by all the second pressure sensors 3, and whether the difference between the pressure value of each second pressure sensor 3 and the second average value is smaller than a uniform threshold value; if the difference between the pressure value of each first pressure sensor 2 and the first average value is smaller than the uniform threshold value, and if the difference between the pressure value of each second pressure sensor 3 and the second average value is smaller than the uniform threshold value, the processor 1 determines that each pressure value at the wearing part is in the comfortable section. The above-mentioned uniformity threshold is set empirically, in particular, by a person skilled in the art.

Some parts of the human head are sensitive and can cause pain under the same pressure with other parts, but a tester does not feel too much and cannot show the pain, so the pain needs to be obtained through testing of electroencephalogram signals, and a technician in the field specifically sets the pain value according to the fluctuation degree of the electroencephalogram signals.

As shown in fig. 1, the electroencephalogram acquisition device 5 comprises an electrode cap module 6, an electroencephalogram control module 9 and a signal transmission module 10, the electrode cap module 6 stimulates the scalp of a tester to generate electroencephalogram signals and acquire the generated electroencephalogram signals, the electroencephalogram control module 9 receives and converts the acquired electroencephalogram signals and transmits the acquired electroencephalogram signals to the signal transmission module 10, and the signal transmission module 10 transmits the converted electroencephalogram signals to the processor 1. The electrode cap module 6 comprises a micro-current stimulator 7 and a dry electrode 8, the micro-current stimulator 7 outputs stimulation current to act on the scalp of the tester to generate electroencephalogram signals, and the dry electrode 8 collects the electroencephalogram signals fed back from the scalp of the tester and sends the electroencephalogram signals to the electroencephalogram control module 9.

According to the VR equipment wearing comfort level detection system, the pressure applied to the wearing part of the tester and the electroencephalogram signals on the surface of the scalp are sent to the processor through the plurality of pressure sensors and the electroencephalogram acquisition devices, the processor judges whether each pressure value is in a comfort level interval and a pain value under the current pressure, the wearing comfort level of the VR equipment is judged by integrating the pressure values and the pain values, the obtained result is convenient and objective, the condition that the wearing of the VR equipment is painful due to the fact that the tester feels insensitive to sense organs can be avoided, and therefore a guidance direction is provided for the engineer to modify the VR equipment.

While specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the described embodiments are only some, and not all, of the present invention, which is presented by way of example only, and the scope of the invention is defined by the appended claims. Various changes or modifications to these embodiments may be made by those skilled in the art without departing from the principle and spirit of the invention, and these changes and modifications all fall within the scope of the invention.

Claims

The VR equipment wearing comfort level detection system is characterized by comprising a processor, a plurality of pressure sensors and an electroencephalogram acquisition device, wherein the pressure sensors are electrically connected with the processor and used for measuring pressure applied to a wearing part of a test person and sending a pressure value to the processor;

the pressure sensor comprises a first pressure sensor used for detecting pressure on the horizontal direction of the wearing part of the tester, a second pressure sensor used for detecting pressure on the vertical direction of eyes of the tester and a third pressure sensor used for detecting pressure on ears of the tester.
2. The VR device wearing comfort detection system of claim 1, wherein the first pressure sensor is mounted discretely at a location on the head of the test person that is inside a host computer and a headband of the VR device.
3. The VR device wearing comfort detection system of claim 1, wherein the second pressure sensor is mounted below an eye of the test person at a location at a lower side edge of a host of the VR device.
4. The VR device wearing comfort detection system of claim 1, wherein the third pressure sensor is mounted to a test person at an ear inside an ear cup of the VR device.
5. The VR device wearing comfort detection system of claim 4 wherein the third pressure sensors are mounted to a scalp portion around a base of the ear, a medial portion of the ear, a lateral portion of the ear, and a base of the ear in a decentralized manner.
6. The VR device wearing comfort detection system of claim 1, wherein the pressure sensor is a patch pressure sensor.
7. The VR equipment wearing comfort detection system of any one of claims 1 to 6, wherein the electroencephalogram collection device includes an electrode cap module, a brain electrical control module and a signal transmission module, the electrode cap module stimulates a scalp of a tester to generate electroencephalogram signals and collects the generated electroencephalogram signals, the brain electrical control module receives and converts the collected electroencephalogram signals and sends the acquired electroencephalogram signals to the signal transmission module, and the signal transmission module sends the converted electroencephalogram signals to the processor.
8. The VR device wearing comfort detection system of claim 7, wherein the electrode cap module includes a micro-current stimulator and a dry electrode, the micro-current stimulator outputs a stimulation current to act on a scalp of the test person to generate an electroencephalogram signal, and the dry electrode collects the electroencephalogram signal fed back from the scalp of the test person and sends the electroencephalogram signal to the electroencephalogram control module.