CN113176668A

CN113176668A - VR equipment and maintenance system of wear-type

Info

Publication number: CN113176668A
Application number: CN202110421864.0A
Authority: CN
Inventors: 纪佳琪; 孙海民; 李秀云
Original assignee: Hebei Normal University for Nationalities
Current assignee: Hebei Normal University for Nationalities
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-07-27
Anticipated expiration: 2041-04-20
Also published as: CN113176668B

Abstract

The invention discloses a head-mounted VR device, which comprises a lens outer frame, a protective frame, a lens inner frame and a positioning groove, wherein the front end surface and the rear end surface of the lens outer frame are connected with the protective frame through bolts, the lens inner frame is clamped in the middle of the lens outer frame, the positioning groove is formed in the middle of the protective frame at the rear end, the invention pulls the elastic band and the connecting band through a rotating gear, a magnet block, an elastic band, a connecting band, a sliding toothed plate, a clamping groove and a protective plate, the sliding toothed plate and the protective plate move upwards through stretching of the spiral spring, the protective plate is automatically opened, after the VR device is taken down, the spiral spring is loosened and rolled inwards, the sliding toothed plate and the protective plate move downwards, and the VR device is automatically opened and closed according to the use condition of the VR device, so that the operation is convenient, when the VR device is not used, a display screen in the device can be protected, and the internal display screen is prevented from being collided, residual stains enable the VR equipment to be better in use effect.

Description

VR equipment and maintenance system of wear-type

Technical Field

The invention relates to the technical field of VR equipment, in particular to head-mounted VR equipment and a maintenance system.

Background

The VR head display is virtual reality head-mounted display equipment, which is used for sealing the vision and the hearing of a person to the outside and guiding a user to generate a feeling of the person in a virtual environment, and the display principle is that left and right eye screens respectively display images of left and right eyes, and the human eyes generate stereoscopic impression in the brain after acquiring the information with the difference;

but the wear-type VR equipment that uses at present does not set up the device that conveniently protects the lens, and the lens exists after mediating and rocks, and receives the collision damage easily, and the condition such as spot is remained on the lens surface, and is inconvenient to use, and the maintenance system of VR equipment detects the function and is not perfect enough, leads to the improper of user's use and the trouble of equipment can not in time be found.

Disclosure of Invention

The invention provides a head-wearing VR device and a maintenance system, which can effectively solve the problems that the existing head-wearing VR device is not provided with a device which is convenient for protecting lenses, the lenses are shaken after being adjusted and are easy to be damaged by collision, stains are left on the surfaces of the lenses, the lenses are inconvenient to use, the detection function of the maintenance system of the VR device is not perfect, the use is not suitable for a user, and the faults of the device cannot be found in time.

In order to achieve the purpose, the invention provides the following technical scheme: a head-mounted VR device comprises a lens outer frame, a protective frame, a lens inner frame and positioning grooves, wherein the front end surface and the rear end surface of the lens outer frame are both connected with the protective frame through bolts, the lens inner frame is clamped in the middle of the lens outer frame, the positioning grooves are formed in the middle of the protective frame at the rear end, and protective assemblies are mounted at two end parts of the lens outer frame;

the protective assembly comprises a mounting hole, a fixed short shaft, a rotating gear, an annular winding groove, a volute spiral spring, a magnet block, a fixed hole, a connecting plate, a protective silica gel cylinder, an elastic band, a connecting belt, a sliding rod, a sliding toothed plate, a sliding groove, a clamping groove and a protective plate;

the lens outer frame comprises a lens outer frame and is characterized in that mounting holes are formed in two end portions of the lens outer frame, fixed short shafts are welded in the mounting holes, rotating gears are sleeved on the outer portions of the fixed short shafts in a rotating mode, annular winding grooves are formed in the outer end faces of the middle portions of the rotating gears, volute springs are wound in the annular winding grooves, the inner sides of the protection frames are provided with magnet blocks in an embedded mode corresponding to volute spring positions, the tops and the bottoms of the magnet blocks are provided with fixing holes, one end faces of the magnet blocks are fixed with connecting plates in a magnetic absorption mode, the rear ends of the protection frames are provided with protection silica gel cylinders in an adhesive mode corresponding to the connecting plates in the rear end face, elastic bands are embedded in the middle portions of the connecting plates, connecting bands are sewn in the middle portions of the elastic bands, sliding rods are adhered to the tops of the front end faces of the lens outer frame corresponding to the rotating gear positions, sliding toothed plates are slidably mounted outside the sliding rods, and sliding grooves are formed in the tops of the sliding toothed plates, the top of lens inside casing has seted up the joint groove, the top of sliding tooth plate is glued and is had the guard plate.

According to the technical scheme, the number of the mounting holes is four, the four mounting holes are evenly formed in two end portions of the outer frame of the lens, one end of the volute spiral spring is welded inside the annular winding groove, the other end of the volute spiral spring is embedded inside the connecting plate, and one end, corresponding to the connecting plate, of the volute spiral spring penetrates through the inside of the fixing hole.

According to the technical scheme, a display screen is arranged inside the front-end protective frame, a connecting groove is formed in the position, corresponding to the position of the magnet block, inside the rear-end protective frame, and the magnet block is embedded and arranged inside the connecting groove;

the utility model discloses a safety protection device for vehicle safety protection, including sliding tooth plate, slide bar, slide tooth plate, connecting band one end embedding is installed at the guard plate top.

According to the technical scheme, the middle part of the outer frame of the lens is provided with an adjusting assembly, and the adjusting assembly comprises a moving groove, an annular limiting groove, a clamping arc block, a limiting hole, a threaded pipe, a limiting block, a threaded rod, a rotating groove and a limiting rotating cylinder;

the lens frame has seted up the shifting chute in the middle part, annular spacing groove has been seted up to the outside terminal surface of lens inside casing, annular spacing groove top all is spliced with the bottom and has been had the joint arc piece, spacing hole has all been seted up at lens frame both ends, lens inside casing outer end face has been spliced has the screwed pipe, a screwed pipe end welding has the stopper, the inside threaded connection of screwed pipe has the threaded rod, threaded rod one end has been seted up and has been rotated the groove, it has spacing a rotation section of thick bamboo to rotate the inslot portion rotation joint.

According to the technical scheme, one end of the limiting rotating cylinder is connected to the outer end face of the inner frame of the lens in a splicing mode, the threaded pipe is connected to the inner portion of the limiting hole in a clamping mode, and the position of the threaded rod, corresponding to the limiting rotating cylinder, is welded with the rotating rod.

According to the technical scheme, a circuit board is installed inside the positioning groove, a central processing module, an error identification module, a hidden danger monitoring module, an updating module and a WiFi module are arranged in the middle of the circuit board, an execution module is installed in the middle of the elastic band, an abnormality monitoring module is installed in the middle of the connecting band, the central processing module, the error identification module, the hidden danger monitoring module, the updating module, the WiFi module, the abnormality monitoring module, the execution module and the data transmission terminal form a maintenance system of VR equipment, and the circuit board and the data receiving terminal transmit data through the WiFi module;

the normal operating of other modules of central processing module control, the mistake identification module discerns the mistake that appears in the display process, unusual monitoring module monitors user's head physiological condition, hidden danger monitoring module monitors the fluctuation condition of in time finding data to the VR picture that shows and unusual monitoring module's data, the real-time update of update module control data and the setting of self-defined data, the wiFi module provides the medium for the transmission of data, the service behavior of execution module to the user warns.

According to the technical scheme, the abnormality monitoring module monitors brain waves through the micro-current sensor, the micro-current sensor is arranged in the middle of the connecting belt and attached to the scalp, the brain waves of a user using VR equipment are collected through the brain wave chip, the brain wave data are transmitted to the data transmission terminal through WiFi, and the brain wave data are analyzed through the data transmission terminal.

According to the technical scheme, the data transmission terminal carries out big data comparison analysis on the brain waves and the images played by the VR equipment, monitors the abnormal conditions of the brain waves, and records and counts the abnormal conditions and the abnormal duration;

when the data transmission terminal analyzes brain wave abnormity, the data transmission terminal displays an analysis result and transmits an abnormal signal to the central processing module through the WiFi module, the central processing module issues an instruction to the execution module, and the execution module executes the instruction to warn;

the execution module comprises a vibration unit, a ringing unit and a light unit;

analyzing abnormal time in the brain wave signals according to the data transmission terminal, and controlling the execution module to execute abnormal warnings of different levels through the central processing module;

primary abnormal warning: abnormality ≦ 5s, the vibration unit vibrates;

and (4) secondary abnormity warning: when the abnormality is less than or equal to 1min after 5s, vibrating the vibration unit and displaying a red light by the light unit;

three-level abnormity warning: and (4) when the abnormity is more than 1min, the light unit displays a red light, and the ringing unit rings.

According to the technical scheme, the error recognition module is connected with the display screen of the VR equipment, the error recognition module scans and recognizes the display picture of the display screen, the central position of the pupil of a user is firstly positioned during scanning, then the display picture at the central position is scanned towards the outer ring, so that the picture display condition is monitored in real time, the signal of the picture display error is timely recognized and transmitted to the data transmission terminal, meanwhile, the hidden monitoring module monitors the temperature of the circuit board, the temperature abnormal signal is transmitted to the data transmission terminal, and hidden danger is reduced.

According to the technical scheme, the updating module updates the data of the error identification module and the hidden danger monitoring module, automatically identifies the updated picture when the user opens the VR equipment, identifies the updated information, automatically updates, conveniently sets different monitoring parameters for different service environments, and conveniently and accurately monitors.

Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:

1. through setting up the rotating gear, the spiral spring, the magnet piece, the elastic cord, the connecting band, sliding tooth plate, joint groove and guard plate, pulling elastic cord and connecting band, the spiral spring is tensile, sliding tooth plate and guard plate rebound, the guard plate is automatic to be opened, take off VR equipment back, the inside rolling of spiral spring of pine, sliding tooth plate and guard plate move down, according to the automatic opening and shutting of VR equipment in service behavior, and not only convenient operation, and when not using, can protect the inside display screen of equipment, avoid inside display screen to receive and collide with, remain the spot, the result of use that makes VR equipment is better.

2. Through setting up shifting chute, annular spacing groove, joint arc piece, spacing hole, screwed pipe, stopper, threaded rod, rotation groove and spacing rotation section of thick bamboo, rotate the threaded rod, the threaded rod drives the screwed pipe and removes at spacing downthehole portion to promote the lens inside casing and remove, make the lens inside casing remove to user's pupil position, the convenience is adjusted according to user's pupil position, and the user is better to the viewing effect of inside VR picture.

3. The user is when using VR equipment, gathers brain wave through little current sensor to through the unusual sense of brain wave analysis user when using VR equipment monitor, when unusual senses such as vertigo appear, through the warning of different grades, in time supervise the anomaly, make the user in time know the abnormal conditions of oneself, thereby make things convenient for people to take suitable measure to the abnormal conditions of different grades.

4. Through the cooperation of error identification module and hidden danger monitoring module, to VR equipment use, the display effect of display screen discerns to outwards discern according to people's pupil position, discern the control earlier to the picture that the user need watch, thereby can carry out quick discernment according to user's the custom of watching to the display screen, make the maintenance effect of VR equipment better, the use is ensured.

5. Through the update module, the setting to VR equipment is updated before the user uses, and the update module is automatic to be updated the monitoring, continues to twist the renewal to internal parameter, conveniently sets up the parameter of VR equipment to in time update, convenient more accurate monitoring, the use that makes equipment is safer.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a fender panel of the invention;

FIG. 3 is an enlarged view of area A of FIG. 2;

fig. 4 is a schematic structural view of the sliding tooth plate of the present invention;

FIG. 5 is a schematic view of the opening of the annular winding groove of the present invention;

FIG. 6 is a schematic view of the opening of the moving slot of the present invention;

FIG. 7 is an enlarged view of the area B of FIG. 6 according to the present invention;

FIG. 8 is a schematic view of the opening of the rotary slot of the present invention;

FIG. 9 is a schematic diagram of the circuit board of the present invention;

FIG. 10 is a schematic diagram of the system architecture of the present invention;

reference numbers in the figures: 1. a lens outer frame; 2. a protective frame; 3. an inner frame of the lens;

4. a guard assembly; 401. mounting holes; 402. fixing the short shaft; 403. a rotating gear; 404. an annular winding groove; 405. a volute spiral spring; 406. a magnet block; 407. a fixing hole; 408. a connecting plate; 409. a protective silica gel cylinder; 410. elastic bands; 411. a connecting belt; 412. a slide bar; 413. a sliding toothed plate; 414. a sliding groove; 415. a clamping groove; 416. a protection plate;

5. an adjustment assembly; 501. a moving groove; 502. an annular limiting groove; 503. clamping the arc block; 504. a limiting hole; 505. a threaded pipe; 506. a limiting block; 507. a threaded rod; 508. a rotating groove; 509. a limiting rotating cylinder;

6. positioning a groove; 7. a circuit board.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example 1:

as shown in fig. 1 to 9, the invention provides a technical scheme, a head-mounted VR device, which includes a lens outer frame 1, a protective frame 2, a lens inner frame 3, a positioning groove 6 and a circuit board 7, wherein the front end surface and the rear end surface of the lens outer frame 1 are both connected with the protective frame 2 through bolts, the lens inner frame 3 is clamped in the middle of the lens outer frame 1, the positioning groove 6 is arranged in the middle of the rear protective frame 2, the circuit board 7 is installed in the positioning groove 6, and the protective components 4 are installed at two end portions of the lens outer frame 1;

the protection assembly 4 comprises a mounting hole 401, a fixed short shaft 402, a rotating gear 403, an annular winding groove 404, a volute spring 405, a magnet block 406, a fixed hole 407, a connecting plate 408, a protection silica gel cylinder 409, an elastic band 410, a connecting band 411, a sliding rod 412, a sliding toothed plate 413, a sliding groove 414, a clamping groove 415 and a protection plate 416;

mounting holes 401 are respectively formed at two end parts of the lens outer frame 1, a fixed short shaft 402 is welded inside the mounting holes 401, a rotating gear 403 is sleeved outside the fixed short shaft 402 in a rotating mode, an annular winding groove 404 is formed in the outer end face of the middle of the rotating gear 403, a volute spiral spring 405 is wound inside the annular winding groove 404, a magnet block 406 is embedded and mounted at the position, corresponding to the volute spiral spring 405, of the inner side of the rear-end protection frame 2, a connecting groove is formed in the position, corresponding to the magnet block 406, of the inner side of the rear-end protection frame 2, the magnet block 406 is embedded and mounted inside the connecting groove, the magnet block 406 is convenient to mount and fix the magnet block 406, fixing holes 407 are respectively formed in the top and the bottom of the magnet block 406, a connecting plate 408 is fixed to one end face of the magnet block 406 in a magnetic absorption mode, four mounting holes 401 are formed in the two end parts of the lens outer frame 1, one end of the volute spiral spring 405 is welded inside the annular winding groove 404, the other end of the volute spiral spring 405 is embedded and mounted inside the connecting plate 408, one end of a scroll spring 405 corresponding to a connecting plate 408 penetrates through a fixing hole 407 so as to conveniently install the scroll spring 405, a display screen is installed inside a front-end protection frame 2, a protective silica gel tube 409 is glued at a position of a rear end face of the rear-end protection frame 2 corresponding to the connecting plate 408, an elastic band 410 is embedded in the middle of the connecting plate 408, a connecting band 411 is sewn in the middle of the elastic band 410, a sliding rod 412 is glued at a position of the top of the front end face of the lens outer frame 1 corresponding to a rotating gear 403, a sliding toothed plate 413 is slidingly installed outside the sliding rod 412, a sliding groove 414 is formed in the top end of the sliding toothed plate 413, the sliding toothed plate 413 is in meshed connection with the rotating gear 403, the sliding rod 412 is slidingly installed inside the sliding groove 414, a protective gasket is glued at the bottom end of the sliding toothed plate 413 so as to facilitate the movement and protection of the sliding toothed plate 413, a clamping groove 415 is formed in the top end of the lens inner frame 3, and a protective plate 416 is glued at the top end of the sliding toothed plate 413, one end of the connecting belt 411 is embedded in the top of the protection plate 416, so that the connecting belt 411 can conveniently pull the protection plate 416.

According to the technical scheme, the middle part of the lens outer frame 1 is provided with the adjusting component 5, and the adjusting component 5 comprises a moving groove 501, an annular limiting groove 502, a clamping arc block 503, a limiting hole 504, a threaded pipe 505, a limiting block 506, a threaded rod 507, a rotating groove 508 and a limiting rotating cylinder 509;

removal groove 501 has been seted up at lens frame 1 middle part, annular spacing groove 502 has been seted up to lens inside casing 3's outside terminal surface, annular spacing groove 502 top all splices with the bottom and has joint arc piece 503, spacing hole 504 has all been seted up at lens frame 1 both ends, lens inside casing 3 outside terminal surface has spliced screwed pipe 505, a screwed pipe 505 tip welding has stopper 506, the inside threaded connection of screwed pipe 505 has threaded rod 507, threaded rod 507 one end has been seted up and has been rotated groove 508, it has spacing rotating barrel 509 to rotate the inside joint of groove 508, spacing rotating barrel 509 one end is spliced in the outer terminal surface of lens inside casing 3, screwed pipe 505 joint is inside spacing hole 504, threaded rod 507 one end corresponds the butt fusion of spacing rotating barrel 509 position department and has the dwang, make things convenient for lens inside casing 3's removal.

As shown in fig. 10, according to the above technical solution, the central processing module, the error recognition module, the hidden danger monitoring module, the update module and the WiFi module are arranged in the middle of the circuit board 7, the execution module is installed in the middle of the elastic band 410, the abnormality monitoring module is installed in the middle of the connection band 411, the central processing module, the error recognition module, the hidden danger monitoring module, the update module, the WiFi module, the abnormality monitoring module, the execution module and the data transmission terminal constitute a maintenance system of the VR device, and the circuit board 7 and the data reception terminal transmit data through the WiFi module;

the central processing module controls normal operation of other modules, the error identification module identifies errors occurring in the display process, the abnormal monitoring module monitors the head physiological condition of a user, the hidden danger monitoring module monitors the data of the displayed VR picture and the abnormal monitoring module to find the fluctuation condition of the data in time, the updating module controls real-time updating of the data and setting of custom data, the WiFi module provides a medium for data transmission, and the execution module warns the use condition of the user.

According to the technical scheme, the abnormality monitoring module monitors brain waves through the micro-current sensor, the micro-current sensor is arranged in the middle of the connecting band 411 and attached to the scalp, the brain waves of a user using VR equipment are collected through the brain wave chip, the brain wave data are transmitted to the data transmission terminal through WiFi, and the brain wave data are analyzed through the data transmission terminal.

According to the technical scheme, the data transmission terminal carries out big data comparison analysis on the brain waves and the picture played by the VR equipment, monitors the abnormal condition of the brain waves, and records and counts the abnormal condition and the abnormal duration;

and analyzing abnormal time in the brain wave signal for 2s according to the data transmission terminal, so that the execution module is controlled by the central processing module to execute primary abnormal warning: the vibration unit vibrates.

According to the technical scheme, the error recognition module is connected with the display screen of the VR equipment, the error recognition module scans and recognizes the display picture of the display screen, the central position of the pupil of a user is firstly positioned during scanning, then the display picture at the central position is scanned towards the outer ring, so that the picture display condition is monitored in real time, the signal with the error picture display is timely recognized and transmitted to the data transmission terminal, meanwhile, the hidden monitoring module monitors the temperature of the circuit board 7, the temperature abnormal signal is sent to the data transmission terminal, and hidden danger is reduced.

Example 2:

as shown in fig. 10, a central processing module, an error identification module, a hidden danger monitoring module, an update module and a WiFi module are arranged in the middle of the circuit board 7, an execution module is arranged in the middle of the elastic band 410, an abnormality monitoring module is arranged in the middle of the connection band 411, the central processing module, the error identification module, the hidden danger monitoring module, the update module, the WiFi module, the abnormality monitoring module, the execution module and the data transmission terminal form a maintenance system of the VR device, and the circuit board 7 and the data receiving terminal transmit data through the WiFi module;

and analyzing the abnormal time in the brain wave signal for 20s according to the data transmission terminal, so that the central processing module controls the execution module to execute secondary abnormal warning: the vibration unit vibrates and the light unit displays a red light.

Example 3:

and analyzing abnormal time in the brain wave signal for 2min according to the data transmission terminal, so that the execution module is controlled by the central processing module to execute three-level abnormal warning: the light unit displays red light, and the ringing unit rings.

Comparison of abnormal alerts according to examples 1-3 the following table is prepared

Contrast item	Time	Whether or not to vibrate	Whether to ring or not	Whether to light up
					Example 1	2s	Is that	Whether or not	Whether or not
Example 2	20s	Is that	Whether or not	Bright red light
					Example 3	2min	Whether or not	Is that	Bright red light

According to the data comparison of the table to the embodiments 1 to 3, the embodiments 1 to 3 can achieve the effect of warning the abnormal condition of the brain wave of the user, so that the user can conveniently acquire the brain wave through the micro-current sensor when using the VR equipment, the abnormal condition of the user when using the VR equipment is analyzed through the brain wave, the abnormal condition can be timely supervised through the warnings of different levels when abnormal conditions such as dizziness occur, the user and other people can conveniently know the own abnormal condition in time, and therefore the user can conveniently take proper measures for the abnormal conditions of different levels.

The working principle and the using process of the invention are as follows: when the VR device is used, the elastic band 410 and the connection band 411 are pulled, the elastic band 410 is pulled to separate the connection plate 408 from the magnet block 406 and move along the protective silicone tube 409, the spiral spring 405 is driven to stretch, the rotation gear 403 is driven to rotate counterclockwise, the sliding toothed plate 413 is driven to move upward along the sliding rod 412, the protection plate 416 is driven to move upward along the clamping groove 415 and separate from the clamping groove 415, then the connection band 411 and the sliding rod 412 are fixed on the head, when the VR device is worn, the protection plate 416 is automatically opened, after the VR device is taken off, the elastic band 410 and the connection band 411 are not stretched, the spiral spring 405 is rolled inward, the connection plate 408 is driven to move along the protective silicone tube 409 and fixed with the magnet block 406 by magnetic attraction, the rotation gear 403 rotates clockwise simultaneously, the sliding toothed plate 413 is driven to slide downward along the sliding rod 412, and the protection plate 416 is clamped and fixed in the clamping, the protection plate 416 can be automatically opened and closed according to the use condition of the VR equipment, so that the operation is convenient, and when the VR equipment is not used, a display screen in the equipment can be protected, the internal display screen is prevented from being collided, the influence of residual stains on a picture is reduced, and the use effect of the VR equipment is better;

after the user wore the VR equipment, rotate threaded rod 507, spacing rotating cylinder 509 is rotating the inside rotation in groove 508, limiting displacement through stopper 506 makes threaded rod 507 drive screwed pipe 505 and removes in spacing hole 504 is inside, thereby promote lens inside casing 3 and remove, during the removal, joint arc piece 503 slides along shifting chute 501, thereby remove lens inside casing 3 to user's pupil position, the user is better to the viewing effect of inside VR picture.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A head-mounted VR device, comprising: the protective device comprises a lens outer frame (1), a protective frame (2), a lens inner frame (3) and a positioning groove (6), wherein the front end surface and the rear end surface of the lens outer frame (1) are both connected with the protective frame (2) through bolts, the lens inner frame (3) is clamped in the middle of the lens outer frame (1), the positioning groove (6) is formed in the middle of the protective frame (2) at the rear end, and protective components (4) are arranged at two end parts of the lens outer frame (1);

the protection assembly (4) comprises a mounting hole (401), a fixed short shaft (402), a rotating gear (403), an annular winding groove (404), a volute spring (405), a magnet block (406), a fixed hole (407), a connecting plate (408), a protection silica gel cylinder (409), an elastic band (410), a connecting band (411), a sliding rod (412), a sliding toothed plate (413), a sliding groove (414), a clamping groove (415) and a protection plate (416);

mounting holes (401) are formed in two end portions of the lens outer frame (1), a fixed short shaft (402) is welded inside the mounting holes (401), a rotating gear (403) is sleeved outside the fixed short shaft (402), an annular winding groove (404) is formed in the outer end face of the middle portion of the rotating gear (403), a volute spring (405) is wound inside the annular winding groove (404), a magnet block (406) is installed at the rear end of the inner side of the protection frame (2) in a position corresponding to the volute spring (405) in an embedded mode, fixing holes (407) are formed in the top and the bottom of the magnet block (406), a connecting plate (408) is fixed to one end face of the magnet block (406) in a magnetic absorption mode, a protection silica gel barrel (409) is connected to the rear end of the protection frame (2) in a position corresponding to the connecting plate (408), and an elastic band (410) is installed in the middle of the connecting plate (408) in an embedded mode, connecting band (411) have been sewed up at the middle part of elastic cord (410), the terminal surface top corresponds slewing gear (403) position department's splice has slide bar (412) before lens frame (1), the outside slidable mounting of slide bar (412) has sliding tooth plate (413), sliding tray (414) have been seted up on the top of sliding tooth plate (413), joint groove (415) have been seted up on the top of lens inside casing (3), the top of sliding tooth plate (413) has glued guard plate (416).

2. The head-mounted VR device of claim 1, wherein four mounting holes (401) are provided, four mounting holes (401) are uniformly formed at two ends of the lens frame (1), one end of the spiral spring (405) is welded inside the annular winding groove (404), the other end of the spiral spring (405) is embedded inside the connecting plate (408), and one end of the spiral spring (405) corresponding to the connecting plate (408) penetrates through the fixing hole (407).

3. The VR device of claim 1, wherein a display screen is mounted inside the front protective frame (2), a connecting groove is formed inside the rear protective frame (2) at a position corresponding to a magnet block (406), and the magnet block (406) is embedded inside the connecting groove;

sliding tooth board (413) and rotating gear (403) meshing connection, slide bar (412) slidable mounting is inside sliding tray (414), sliding tooth board (413) bottom cementing has the protection gasket, connecting band (411) one end embedding is installed at protection plate (416) top.

4. The head-mounted VR device of claim 1, wherein an adjusting component (5) is mounted in the middle of the lens outer frame (1), and the adjusting component (5) comprises a moving groove (501), an annular limiting groove (502), a clamping arc block (503), a limiting hole (504), a threaded pipe (505), a limiting block (506), a threaded rod (507), a rotating groove (508) and a limiting rotating cylinder (509);

moving slot (501) have been seted up at lens frame (1) middle part, annular spacing groove (502) have been seted up to the outside terminal surface of lens inside casing (3), joint arc piece (503) have all been spliced with the bottom on annular spacing groove (502) top, spacing hole (504) have all been seted up at lens frame (1) both ends, lens inside casing (3) outer terminal surface is glued and has been connect screwed pipe (505), a screwed pipe (505) end welding has stopper (506), screwed pipe (505) internal thread is connected with threaded rod (507), threaded rod (507) one end has been seted up and has been rotated groove (508), it has spacing a section of thick bamboo (509) to rotate the inside joint that rotates of groove (508).

5. The VR device of claim 4, wherein one end of the limiting rotary cylinder (509) is glued to the outer end face of the inner lens frame (3), the threaded pipe (505) is clamped inside the limiting hole (504), and a rotary rod is welded to one end of the threaded rod (507) at a position corresponding to the limiting rotary cylinder (509).

6. The maintenance system of the head-mounted VR equipment is characterized in that a circuit board (7) is mounted inside a positioning groove (6), a central processing module, an error identification module, a hidden danger monitoring module, an updating module and a WiFi module are arranged in the middle of the circuit board (7), an execution module is mounted in the middle of an elastic band (410), an abnormality monitoring module is mounted in the middle of a connecting band (411), the central processing module, the error identification module, the hidden danger monitoring module, the updating module, the WiFi module, the abnormality monitoring module, the execution module and a data transmission terminal form a maintenance system of the VR equipment, and the circuit board (7) and the data receiving terminal transmit data through the WiFi module;

7. The maintenance system of the VR device of claim 6, wherein the abnormality monitoring module monitors brain waves through a micro-current sensor, the micro-current sensor is arranged in the middle of the connecting band (411) and attached to a scalp, the brain waves of a user using the VR device are collected through a brain wave chip, the brain wave data are transmitted to a data transmission terminal through WiFi, and the brain wave data are analyzed through the data transmission terminal.

8. The maintenance system of a head-mounted VR device as claimed in claim 6, wherein the data transmission terminal performs big data comparison analysis on the brain waves and the picture played by the VR device, monitors abnormal conditions of the brain waves, and performs record statistics on the abnormal conditions and the abnormal duration;

primary abnormal warning: abnormality ≦ 5s, the vibration unit vibrates;

9. The maintenance system of a head-mounted VR device as claimed in claim 6, wherein the error recognition module is connected to a display screen of the VR device, the error recognition module performs scanning recognition on a display screen of the display screen, a central position of a pupil of a user is first located during scanning, then scanning is performed from the display screen at the central position to an outer ring, so as to perform real-time monitoring on a screen display condition, recognize a signal of a screen display error in time and transmit the signal to the data transmission terminal, and the hidden monitoring module monitors the temperature of the circuit board (7) and transmits a temperature abnormal signal to the data transmission terminal, thereby reducing occurrence of hidden danger.

10. The system of claim 6, wherein the update module updates data of the error recognition module and the hidden danger monitoring module, automatically recognizes an updated picture when a user opens the VR device, recognizes updated information, and automatically updates the updated picture, so that different monitoring parameters can be set for different use environments, and more accurate monitoring is facilitated.