CN107589788A - Separate type VR display control methods and device - Google Patents

Separate type VR display control methods and device Download PDF

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Publication number
CN107589788A
CN107589788A CN201710870176.6A CN201710870176A CN107589788A CN 107589788 A CN107589788 A CN 107589788A CN 201710870176 A CN201710870176 A CN 201710870176A CN 107589788 A CN107589788 A CN 107589788A
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China
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head mounted
running status
mounted display
main frame
control
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CN201710870176.6A
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CN107589788B (en
Inventor
闵丹
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Shanghai Wingtech Electronic Technology Co Ltd
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Shanghai Wingtech Electronic Technology Co Ltd
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Priority to GBGB1715114.3A priority Critical patent/GB201715114D0/en
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Priority to CN201710870176.6A priority patent/CN107589788B/en
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Abstract

The invention provides separate type VR display control methods and device, is related to display control technology field, wherein, separate type VR display control methods include:First, main frame enters the first running status when receiving the first external trigger, and, control head mounted display is transformed into the first running status, wherein, main frame is connected with head mounted display by cable, and, head mounted display enters the second running status when receiving the second external trigger, and, control main frame is transformed into the second running status, pass through above-mentioned processing procedure, the control respectively to main frame and head mounted display is realized in separate type VR, so as to further increase separate type VR using flexible, effectively increase battery durable ability, improve product competitiveness, enhance Consumer's Experience.

Description

Separate type VR display control methods and device
Technical field
The present invention relates to display control technology field, more particularly to separate type VR display control methods and device.
Background technology
VR is Virtual Reality abbreviation, and Chinese is virtual reality.Virtual reality technology is emulation technology One important directions, it includes simulated environment, perception, natural technical ability and sensing equipment etc., is the synthesis of multiple technologies.Make Used time, experiencer is by the action of head, eye and hand, and tactile/power feels feedback, stereo, network transmission, voice in VR equipment The interaction of input and output technology etc. obtains sensory experience.
Specifically, in VR simulated environment be generated by computer, dynamic 3 D stereo photorealism in real time.This Outside, in addition to the visually-perceptible that computer graphics techniques are generated, also the sense of hearing, tactile, power feel, motion etc. perceive, or even also wrap Include smell and sense of taste etc..Also, also include head rotation, eyes, gesture or other experiencer's body behavior acts of experiencer, The data adaptable with the action of experiencer are handled by computer, real-time response is made in the input to experiencer, and anti-respectively The face of experiencer are fed to, it is felt and is in virtual environment.
In current VR all-in-ones, because main frame and display screen are required for being worn on the head of experiencer, not only itself mistake In heaviness, moreover, there can be very strong constriction to experiencer head, the sensory effects of experiencer are had a strong impact on.With VR technologies Continuous development, people are to experience requirements more and more higher, especially in immersion game, online tourism, online show house, online text The association areas such as body race, separate type VR equipment by be following VR devices development trend, i.e., being worn what experiencer wore Formula display and main frame separate.In use, head-mounted display and main frame are uniformly controlled, to meet body The use demand for the person of testing.Separate type VR general type is that lithium battery is embedded in main frame, head mounted display by main frame lithium Battery powered.Although so setting makes experiencer more comfortable, more electric energy can be consumed.
To sum up, the problem of excessive electric energy can be consumed on separate type VR in use at present, it there is no effective solution Method.
The content of the invention
In view of this, the purpose of the embodiment of the present invention is the provision of separate type VR display control methods and device, passes through Main frame and head mounted display are controlled respectively, that has saved separate type VR uses electric energy consumption.
In a first aspect, the embodiments of the invention provide separate type VR display control methods, including:
Main frame enters the first running status when receiving the first external trigger, and controls head mounted display to be transformed into One running status, wherein, main frame is connected with head mounted display by cable;
Head mounted display enters the second running status when receiving the second external trigger, and control main frame is transformed into Two running statuses.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the first of first aspect, wherein, point Also include from Formula V R display control methods:
Main frame and head mounted display are also turned on the connection with lithium battery when receiving and being powered triggering, wherein, lithium electricity Pond is arranged on main frame, and, lithium battery is connected with head mounted display;
Main frame and head mounted display are when receiving power-off triggering while cut-out and the connection of lithium battery.
With reference to the first possible embodiment of first aspect, the embodiments of the invention provide second of first aspect Possible embodiment, wherein, main frame enters the first running status when receiving the first external trigger, and controls wear-type to show Show that device is transformed into the first running status and included:
Main frame is sent to the first microcontroller when receiving the first external trigger, by the first external trigger and handled, Wherein, the first microcontroller is arranged in main frame;
First external trigger is converted into the first running status control signal by the first microcontroller;
Main frame enters the first running status under the control of the first running status control signal;
First running status control signal is sent to head mounted display by main frame, to control head mounted display to be transformed into First running status.
With reference to the first possible embodiment of first aspect, the embodiments of the invention provide the third of first aspect Possible embodiment, wherein, head mounted display enters the second running status when receiving the second external trigger, and controls Main frame, which is transformed into the second running status, to be included:
Head mounted display is sent to the second microcontroller when receiving the second external trigger, by the second external trigger and entered Row processing, wherein, the second microcontroller is arranged in head mounted display;
Second external trigger is converted into the second running status control signal by the second microcontroller;
Head mounted display enters the second running status under the control of the second running status control signal;
Second running status control signal is sent to main frame by head mounted display, and the second operation is transformed into control main frame State.
With reference to the third possible embodiment of first aspect, the embodiments of the invention provide the 4th of first aspect kind Possible embodiment, wherein, method also includes:
Ambient light sensor gathers the ambient light information of head mounted display, and ambient light information is sent into second Microcontroller, wherein, ambient light sensor is arranged on the inside of head mounted display;
Second microcontroller adjusts the display brightness of head mounted display according to the numerical value of ambient light information.
With reference to the third possible embodiment of first aspect, the embodiments of the invention provide the 5th of first aspect kind Possible embodiment, wherein, method also includes:
Proximity transducer gathers the range information of head mounted display and barrier, and it is micro- that range information is sent into second Controller;
Second microcontroller adjusts the display location of head mounted display according to the numerical value of range information.
Second aspect, the embodiments of the invention provide separate type VR display control units, including:
First modular converter, enter the first running status when receiving the first external trigger for main frame, and, control head Head mounted displays are transformed into the first running status, wherein, main frame is connected with head mounted display by cable;
Second modular converter, enter the second running status when receiving the second external trigger for head mounted display, And control main frame is transformed into the second running status.
With reference to second aspect, the embodiments of the invention provide the possible embodiment of the first of second aspect, wherein, point Also include from Formula V R display control units:
Energization module, the company with lithium battery is also turned on when receiving and being powered triggering for main frame and head mounted display Connect, wherein, lithium battery is arranged on main frame, and, lithium battery is connected with head mounted display;
Power-off modular, for main frame and head mounted display when receiving power-off triggering while the company of cut-out and lithium battery Connect.
With reference to the first possible embodiment of second aspect, the embodiments of the invention provide second of second aspect Possible embodiment, wherein, the first modular converter includes:
First trigger element, for main frame when receiving the first external trigger, the first external trigger is sent to first Microcontroller is handled, wherein, the first microcontroller is arranged in main frame;
First generation unit, the first external trigger is converted into the first running status control letter for the first microcontroller Number;
First control unit, enter the first running status under the control of the first running status control signal for main frame;
First converting unit, the first running status control signal is sent to head mounted display for main frame, with control Head mounted display is transformed into the first running status.
With reference to the first possible embodiment of second aspect, the embodiments of the invention provide the third of second aspect Possible embodiment, wherein, the second modular converter includes:
First trigger element, for head mounted display when receiving the second external trigger, the second external trigger is sent out The second microcontroller is given to be handled, wherein, the second microcontroller is arranged in head mounted display;
First generation unit, the second external trigger is converted into the second running status control letter for the second microcontroller Number;
First control unit, enter the second fortune under the control of the second running status control signal for head mounted display Row state;
First converting unit, the second running status control signal is sent to main frame for head mounted display, with control Main frame is transformed into the second running status.
Separate type VR display control methods and device provided in an embodiment of the present invention, wherein, separate type VR display controls Method includes:Enter the first running status when receiving the first external trigger by the main frame in separate type VR, control wear-type Display is transformed into the first running status, wherein, main frame is connected with head mounted display by cable, moreover, in separate type VR Head mounted display enter the second running status when receiving the second external trigger, also, control main frame is transformed into second Running status, by being controlled respectively to main frame and head mounted display, afterwards, corresponding head mounted display can be realized With the startup of main frame, so, when experiencer has independent use demand to main frame and head mounted display, independence can be realized Operation and control, so, separate type VR use is more flexible, and the endurance for lithium battery of powering is effectively improved, from And it further enhancing Consumer's Experience.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages are in specification, claims And specifically noted structure is realized and obtained in accompanying drawing.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate Appended accompanying drawing, is described in detail below.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below Accompanying drawing is some embodiments of the present invention, for ordinary skill experiencer person, is not paying creative work On the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the flow chart for the separate type VR display control methods that the embodiment of the present invention is provided;
Fig. 2 shows main frame and head mounted display in the separate type VR display control methods that the embodiment of the present invention is provided Connection diagram;
Fig. 3 shows the structural framing figure for the separate type VR display control units that the embodiment of the present invention is provided;
Fig. 4 shows the structure connection figure for the separate type VR display control units that the embodiment of the present invention is provided.
Icon:The modular converters of 1- first;The modular converters of 2- second;The trigger elements of 11- first;The generation units of 12- first; The control units of 13- first;The converting units of 14- first.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Generally exist The component of the embodiment of the present invention described and illustrated in accompanying drawing can be configured to arrange and design with a variety of herein.Cause This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below Scope, but it is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, art technology experiencer person is not having There is the every other embodiment obtained on the premise of making creative work, belong to the scope of protection of the invention.
At present, the main frame in VR all-in-ones and display screen are required for being worn on the head of experiencer, and experiencer head has Very strong constriction, have a strong impact on the sensory effects of experiencer.Moreover, with the continuous development of VR technologies, people are to experience It is required that more and more higher, separate type VR arises at the historic moment.Head mounted display and main frame are separately positioned in separate type VR equipment. In use, experiencer need to only wear head mounted display on head, although so setting makes experiencer more relax It is suitable, but more electric energy can be consumed.
Based on this, the embodiments of the invention provide separate type VR display control methods and device, enter below by embodiment Row description.
Embodiment 1
Referring to Fig. 1, the separate type VR display control methods that the present embodiment proposes specifically include following steps:
Step S101:Main frame enters the first running status when receiving the first external trigger, also, controls wear-type to show Show that device is transformed into the first running status, wherein, main frame is connected with head mounted display by cable.Referring to Fig. 2, wired connection When, it is connected to by cable between main frame and head mounted display;, can be in advance in main frame and head mounted display during wireless connection Upper setting interface, and unified configuration is carried out, to ensure stabilized communication.
Step S102:Head mounted display enters the second running status when receiving the second external trigger, also, controls Main frame is transformed into the second running status.
Above-mentioned steps are described in detail below, main frame enters when receiving the first external trigger in step S101 First running status, also, control head mounted display to be transformed into the first running status and specifically include:
(1) the first external trigger is sent at the first microcontroller by main frame when receiving the first external trigger Reason, wherein, the first microcontroller is arranged in main frame.First microcontroller is the master controller in main frame, for focusing on The first external trigger that main frame receives, needs exist for explanation, and the first external trigger includes sleep state triggering, operation shape State triggering, holding state triggering, reconnect triggering etc..Above-mentioned first external trigger can by the button that is arranged on main frame, There is remote control of communication connection etc. to initiate with main frame.
First external trigger is converted into the first running status control signal, i.e. the first microcontroller by (2) first microcontrollers Above-mentioned first external trigger is converted into the form of electric signal, i.e. the first running status control signal by device.
(3) main frame enters the first running status under the control of the first running status control signal, that is, realizes for receiving To the control of the main frame of the first external trigger.
(4) the first running status control signal is sent to head mounted display by main frame, to control head mounted display to turn Change to the first running status.First is transported by the cable being connected between main frame and head mounted display again after main frame is controlled Row state control signal is sent to head mounted display, and controls it.
Head mounted display is set to enter standby mode for example, main frame can send control instruction;Main frame can send control Instruction makes head mounted display switch to operational mode from standby mode;Main frame can show wear-type by cable transmission signal Show that device switches to operational mode from sleep pattern;Main frame can by cable obtain head mounted display send interrupt signal from Sleep pattern switches to operational mode;Main frame receives head mounted display and shows that abnormal signal can send order and wear-type Display reconnects display;Main frame is embedded display interface signals by cable transmission to head mounted display signal.
When linkage function is realized, processing step is as follows:
Step A1:Host wake-up whole system.
Step A2:Main frame sends wake-up signal to head mounted display end.
Step A3:Head mounted display end receives the wake-up signal of main frame transmission, is initialized.
Step A4:Head mounted display end is attached training with main frame.
Head mounted display enters the second running status when receiving the second external trigger in above-mentioned steps S102, and And control main frame is transformed into the second running status and specifically included:
(1) the second external trigger is sent to the second microcontroller by head mounted display when receiving the second external trigger Device is handled, wherein, the second microcontroller is arranged in head mounted display, needs exist for explanation, and the second outside is touched Give out a contract for a project and include sleep state triggering, running status triggering, holding state triggering, reconnect triggering etc..Above-mentioned second external trigger There can be remote control of communication connection etc. to initiate by the button and head mounted display being arranged on head mounted display.Especially It is noted that above-mentioned triggering can be produced by the sensor being arranged on head mounted display, specifically, sensor includes Ambient light sensor, proximity transducer etc..
Second external trigger is converted into the second running status control signal, i.e. the second microcontroller by (2) second microcontrollers Above-mentioned second external trigger is converted into the form of electric signal, i.e. the second running status control signal by device.
(3) head mounted display enters the second running status under the control of the second running status control signal, that is, realizes For the control for the head mounted display for receiving the second external trigger.
(4) the second running status control signal is sent to main frame by head mounted display, and second is transformed into control main frame Running status.Second is transported by the cable being connected between main frame and head mounted display again after head mounted display is controlled Row state control signal is sent to main frame, and controls it.
For example, main frame can enter sleep pattern according to the sleep state of head mounted display;Main frame can be according to wearing The running status of formula display enters operational mode.
When arousal function is realized, processing step is as follows:
Step B1:Head mounted display end wakes up whole system.
Step B2:Head mounted display end sends wake-up signal to host side.
Step B3:Host side receives the wake-up signal of head mounted display end transmission, and host side performs wake-up system behaviour Make.
When reconnect function is realized, processing step is as follows:
Step C1:There is flower screen situation in head mounted display end.
Step C1:Head mounted display end sends connection training signal to main frame.
Step C2:Host side receives the connection training signal of head mounted display end transmission, and host side is initiated to connect again Training signal, establish signal with head mounted display end and be connected.
Step C3:After connection is established in head mounted display end with host side, connection training signal no longer occurs.
In addition, separate type VR display control methods also include:Main frame and head mounted display are receiving the triggering that is powered When be also turned on connection with lithium battery, wherein, lithium battery is arranged on main frame, also, lithium battery and head mounted display phase Even, lithium battery be it is a kind of by lithium metal or lithium alloy be negative material, the battery using non-aqueous electrolytic solution, stable performance, Electric power is lasting.When in use, main frame and head mounted display are when receiving power-off triggering while cut-out and the connection of lithium battery. The main frame and head mounted display under sleep pattern can be waken up simultaneously when the power button of main frame is triggered.
In addition, separate type VR display control methods also include:Ambient light sensor gathers the environment of head mounted display Light information, also, ambient light information is sent to the second microcontroller, wherein, ambient light sensor is arranged on wear-type The inside of display, the second microcontroller adjust the display brightness of head mounted display according to the numerical value of ambient light information, lead to The display brightness for crossing above-mentioned processing procedure energy head-mounted display is effectively adjusted, so as to ensure head mounted display Power consumption is further saved in the case of display brightness.
In addition, separate type VR display control methods also include:Proximity transducer gathers head mounted display and barrier Range information, also, range information is also sent to the second microcontroller by proximity transducer, and proximity transducer is a kind of position Sensor, the second microcontroller adjust the display location of head mounted display according to the numerical value of range information, so as to further carry Consumer's Experience is risen.
In summary, the separate type VR display control methods that the present embodiment provides include:First, main frame is receiving first Enter the first running status during external trigger, also, control head mounted display to be transformed into the first running status, wherein, main frame It is connected with head mounted display by cable, moreover, head mounted display enters the second fortune when receiving the second external trigger Row state, also, control main frame is transformed into the second running status, i.e., by above-mentioned steps, realizes and main frame and wear-type are shown Show the control respectively of device, also, the running status of head mounted display can be switched according to the state of main frame, and, according to head The state of head mounted displays switches the running status of main frame, so as to having saved the electricity that separate type VR is consumed in use Energy.
Embodiment 2
Referring to Fig. 3 and Fig. 4, present embodiments providing separate type VR display control units includes:First modular converter 1 is used for Main frame enters the first running status when receiving the first external trigger, also, controls head mounted display to be transformed into the first fortune Row state, wherein, main frame is connected with head mounted display by cable, and the second modular converter 2 is connecing for head mounted display Enter the second running status when receiving the second external trigger, also, control main frame is transformed into the second running status.
Separate type VR display control units also include:Energization module be used for main frame and head mounted display receive it is logical The connection with lithium battery is also turned on during electricity triggering, wherein, lithium battery is arranged on main frame, also, lithium battery shows with wear-type Show that device is connected, power-off modular is used for main frame and head mounted display when receiving power-off triggering while cuts off the company with lithium battery Connect.
Wherein, the first modular converter 1 includes:First trigger element 11 is used for main frame when receiving the first external trigger, First external trigger is sent into the first microcontroller to be handled, wherein, the first microcontroller is arranged in main frame, the first life The first external trigger is converted into the first running status control signal, the first control unit for the first microcontroller into unit 12 13 enter the first running status for main frame under the control of the first running status control signal, and the first converting unit 14 is used to lead First running status control signal is sent to head mounted display by machine, to control head mounted display to be transformed into the first operation shape State.
Wherein, the second modular converter 2 includes:First trigger element 11 is being received outside second for head mounted display During triggering, the second external trigger is sent to the second microcontroller and handled, wherein, the second microcontroller is arranged on wear-type In display, the first generation unit 12 is used for the second microcontroller and the second external trigger is converted into the second running status control letter Number, the first control unit 13 is used for head mounted display and enters the second operation shape under the control of the second running status control signal State, the second running status control signal is sent to main frame by the first converting unit 14 for head mounted display, with control main frame It is transformed into the second running status.
In summary, the separate type VR display control units that the present embodiment provides include:First modular converter 1 and second turn Block 2 is changed the mold, in use, the first modular converter 1 enters the first running status when receiving the first external trigger for main frame, and And control head mounted display is transformed into the first running status, wherein, main frame is connected with head mounted display by cable, the Two modular converters 2 enter the second running status when receiving the second external trigger for head mounted display, also, control master Machine is transformed into the second running status, by the setting of above-mentioned module, realizes the independent control to main frame and head mounted display, Easily and effectively, so as to save the electric energy that separate type VR is consumed in experience of the process, Consumer's Experience is improved.
Finally it should be noted that:Embodiment described above, it is only the embodiment of the present invention, to illustrate the present invention Technical scheme, rather than its limitations, protection scope of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair Bright to be described in detail, the ordinary skill experiencer person of this area should be understood:Any technology for being familiar with the art Experiencer person the invention discloses technical scope in, it can still be repaiied to the technical scheme described in previous embodiment Change or change can be readily occurred in, or equivalent substitution is carried out to which part technical characteristic;And these are changed, change or replace Change, the essence of appropriate technical solution is departed from the spirit and scope of technical scheme of the embodiment of the present invention, should all cover at this Within the protection domain of invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.

Claims (10)

1. separate type VR display control methods, it is characterised in that including:
Main frame enters the first running status when receiving the first external trigger, and controls head mounted display to be transformed into described One running status, wherein, the main frame is connected with the head mounted display by cable;
The head mounted display enters the second running status when receiving the second external trigger, and controls the main frame to change To second running status.
2. separate type VR display control methods according to claim 1, it is characterised in that methods described also includes:
The main frame and the head mounted display are also turned on the connection with lithium battery when receiving and being powered triggering, wherein, The lithium battery is set on the host, and the lithium battery is connected with the head mounted display;
The main frame and the head mounted display are when receiving power-off triggering while cut-out and the connection of lithium battery.
3. separate type VR display control methods according to claim 2, it is characterised in that the main frame is receiving first Enter the first running status during external trigger, and control head mounted display to be transformed into first running status to include:
First external trigger is sent at the first microcontroller by the main frame when receiving the first external trigger Reason, wherein, first microcontroller is arranged in the main frame;
First external trigger is converted into the first running status control signal by first microcontroller;
The main frame enters first running status under the control of the first running status control signal;
The first running status control signal is sent to the head mounted display by the main frame, to control the wear-type Display is transformed into first running status.
4. separate type VR display control methods according to claim 2, it is characterised in that the head mounted display is connecing Enter the second running status when receiving the second external trigger, and control the main frame to be transformed into second running status to include:
The head mounted display is sent to the second microcontroller when receiving the second external trigger, by second external trigger Device is handled, wherein, second microcontroller is arranged in the head mounted display;
Second external trigger is converted into the second running status control signal by second microcontroller;
The head mounted display enters second running status under the control of the second running status control signal;
The second running status control signal is sent to the main frame by the head mounted display, to control the main frame to turn Change to second running status.
5. separate type VR display control methods according to claim 4, it is characterised in that methods described also includes:
Ambient light sensor gathers the ambient light information of the head mounted display, and the ambient light information is sent to Second microcontroller, wherein, the ambient light sensor is arranged on the inside of the head mounted display;
Second microcontroller adjusts the display brightness of the head mounted display according to the numerical value of the ambient light information.
6. separate type VR display control methods according to claim 4, it is characterised in that methods described also includes:
Proximity transducer gathers the range information of the head mounted display and barrier, and the range information is sent into institute State the second microcontroller;
Second microcontroller adjusts the display location of the head mounted display according to the numerical value of the range information.
7. separate type VR display control units, it is characterised in that including:
First modular converter, enter the first running status when receiving the first external trigger for main frame, and, control wear-type Display is transformed into first running status, wherein, the main frame is connected with the head mounted display by cable;
Second modular converter, enter the second running status when receiving the second external trigger for the head mounted display, And the main frame is controlled to be transformed into second running status.
8. separate type VR display control units according to claim 7, it is characterised in that also include:
Energization module, for the main frame and the head mounted display is also turned on when receiving and being powered triggering and lithium battery Connection, wherein, the lithium battery is set on the host, and, the lithium battery is connected with the head mounted display;
Power-off modular, cuts off and lithium battery simultaneously for the main frame and the head mounted display when receiving power-off triggering Connection.
9. separate type VR display control units according to claim 8, it is characterised in that the first modular converter bag Include:
First trigger element, for the main frame when receiving the first external trigger, first external trigger is sent to First microcontroller is handled, wherein, first microcontroller is arranged in the main frame;
First generation unit, first external trigger is converted into the control of the first running status for first microcontroller Signal;
First control unit, enter the described first fortune under the control of the first running status control signal for the main frame Row state;
First converting unit, the first running status control signal is sent to the wear-type for the main frame and shown Device, to control the head mounted display to be transformed into first running status.
10. separate type VR display control units according to claim 8, it is characterised in that the second modular converter bag Include:
First trigger element, for the head mounted display when receiving the second external trigger, the described second outside is touched The second microcontroller is sent to be handled, wherein, second microcontroller is arranged in the head mounted display;
First generation unit, second external trigger is converted into the control of the second running status for second microcontroller Signal;
First control unit, enter institute under the control of the second running status control signal for the head mounted display State the second running status;
First converting unit, the second running status control signal is sent to the master for the head mounted display Machine, to control the main frame to be transformed into second running status.
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