CN206638892U - A kind of VR head-mounted displays - Google Patents
A kind of VR head-mounted displays Download PDFInfo
- Publication number
- CN206638892U CN206638892U CN201720342334.6U CN201720342334U CN206638892U CN 206638892 U CN206638892 U CN 206638892U CN 201720342334 U CN201720342334 U CN 201720342334U CN 206638892 U CN206638892 U CN 206638892U
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- infrared
- head
- infrared light
- circuit
- mounted displays
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Abstract
The utility model discloses a kind of VR head-mounted displays, including body and the infrared lens installed in body interior, infrared sensor, Infrared jamming suppression module and infrared launcher；Installation opening is provided with the front end face of body, infrared sensor is arranged on the oral area of installation opening, for receiving infrared light and the infrared light received is converted into electric signal and sending；Infrared jamming suppression module is used to receive the electric signal of infrared sensor transmission and is filtered processing to the electric signal of reception, obtains electric signal corresponding to the infrared light of sensitive band；And the electric signal according to corresponding to the infrared light of the wave band produces drive signal driving infrared launcher transmitting infrared light；Infrared lens are used for the infrared light for receiving infrared launcher transmitting.VR head-mounted displays of the present utility model, by built in CCD infrared lens, will effectively inhibit useless infrared interference in reflection infrared light and exterior space so that the life-span of camera lens is longer, can effectively improve positioning precision.
Description
Technical field
A kind of VR head-mounted displays are the utility model is related to, are to be related to one kind there is the infrared crosstalk work(of suppression specifically
The VR head-mounted displays of energy.
Background technology
VR at present（Virtual reality）Head-mounted display is to realize 6 Dof（The free degree）, true environment three-dimensional Real-time modeling set
And the space orientation round the clock of handle mostly uses infrared camera and IMU（Inertial Measurement Unit）And handle（It is infrared on handle
Lamp send it is infrared after the infrared camera on VR head-mounted displays is captured on handle infrared lamp send infrared light）Match somebody with somebody
Close, realize that the 6dof in VR games systems acts the positioning with handle in gamespace.In addition, VR systems can pass through TOF
（time of flight）Module launches infrared light and receives object reflects in space infrared light so that sky be calculated
Between the depth of field of the object realize the three-dimensional Real-time modeling set of true environment.Generally, infrared camera is to single carrier wave frequency
The infrared photoinduction of rate is preferable, but in the environment where VR systems, at least exist sometimes the infrared lamp on handle send it is red
Outer light, TOF modules are launched and by infrared lights in the infrared light of object reflection in space and space in itself existing environment etc.
A variety of infrared lights.So, the infrared light of multichannel superposition enters on VR head-mounted displays after infrared sensor, can not just catch in one's hands
Structure to be captured on handle（Such as photosphere）Exact image, cause the positioning precision of handle to go wrong.
The content of the invention
The utility model is in order to solve the existing head-mounted display with infrared camera easily by outside infrared light
Interference, a kind of the problem of causing the positioning precision difference of handle, it is proposed that VR head-mounted displays.
In order to solve the above-mentioned technical problem, the utility model is achieved using following technical scheme：
A kind of VR head-mounted displays, including body and the infrared lens installed in the body interior, the VR are worn
Display also includes infrared sensor, Infrared jamming suppression module and infrared launcher；
Installation opening is provided with the front end face of the body, the infrared sensor is arranged on the oral area of the installation opening, and
The photosurface of the infrared sensor is towards the outside of installation opening, for receiving infrared light and being converted into the infrared light received
Electric signal is simultaneously sent；
The Infrared jamming suppression module is used to receive the electric signal that the infrared sensor is sent and to the telecommunications of reception
Number processing is filtered, obtains electric signal corresponding to the infrared light of sensitive band；It is and electric according to corresponding to the infrared light of the wave band
Signal produces drive signal and drives the infrared launcher transmitting infrared light；
The infrared lens are used for the infrared light for receiving the infrared launcher transmitting.
Further, the infrared lens are CCD camera lenses or CMOS camera lenses.
Further, the Infrared jamming suppression module includes amplifying circuit, filter circuit, shaping circuit, the amplification
Circuit, filter circuit and shaping circuit are set on circuit boards, and the infrared sensor is connected with the amplifying circuit, described
The detection signal of the infrared sensor is amplified by amplifying circuit, and is sent to the filter circuit, is removed for filtering out
Electric signal corresponding to infrared light outside the infrared lens sensitive band, and drive is produced after the shaping of the shaping circuit
Dynamic signal, drives the infrared launcher to launch the infrared light of the infrared lens sensitive band.
Further, the circuit board insertion is arranged in the installation opening, and the area of the circuit board is not less than institute
The area of installation opening is stated, for the installation opening to be blocked.
Further, the circuit board is pcb board.
Further, the infrared sensor has multiple, the Infrared jamming suppression module and infrared emission dress
Put is one.
Further, when with multiple infrared sensors, the plurality of infrared sensor is uniformly laid in the installation opening
Around.
Further, the amplifying circuit includes a PNP triode and a NPN triode, the base stage of the PNP triode
It is connected with the infrared sensor, emitter stage is connected with dc source, and colelctor electrode is connected with the base stage of the NPN triode, institute
The colelctor electrode for stating NPN triode is connected with dc source, emitter stage connection ground terminal.
Further, the shaping circuit is Schmidt trigger.
Further, the filter circuit is the bandpass filtering electricity that a high-pass filtering circuit and a low-pass filter circuit form
Road.
Compared with prior art, the advantages of the utility model and good effect is：VR head-mounted displays of the present utility model,
By infrared lens being arranged on the body interior of VR head-mounted displays, block exterior space light to enter, sky can be avoided
Interior influence of other infrared lights to infrared lens, the principle of VR head-mounted displays of the present utility model are：First using infrared
The full wave infrared light of sensor detection exterior space simultaneously carries out optical-electronic conversion, obtains telecommunications corresponding to full wave infrared light
Number, by electric signal corresponding to full wave infrared light after Infrared jamming suppression module carries out signal filtering, only retain infrared mirror
Electric signal corresponding to the infrared light of head sensitive band, and filtered electric signal is generated into drive signal, drive infrared emission
Device produces the infrared light of infrared lens sensitive band, realizes electrical-optical conversion, and caused infrared light is connect by infrared lens
Receive, because AF panel module can filter out the electric signal of the infrared light in addition to infrared lens sensitive band, effectively suppress
Reflection infrared light and space useless infrared interference, filtered electric signal are corresponding for the infrared light of infrared lens sensitive band
Electric signal, its intensity reacted for positioning the intensity of infrared light, by the way that the filtering signal is carried out into electrical-optical conversion, only sent out
The infrared light of infrared lens sensitive band is penetrated, the pure property of positioning infrared light is substantially increased, effectively increases positioning precision, this
Outside, by that built in infrared lens, will can play a part of protecting infrared lens, while it ensure that the clean of infrared lens photosurface
Only so that the life-span of camera lens is longer, effectively enhances the competitiveness of product.
After the detailed description of the utility model embodiment is read in conjunction with the figure, other features and advantage of the present utility model
It will become clearer.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of example structure schematic diagram for the VR head-mounted displays that the utility model is proposed；
Fig. 2 is partial structural diagram in the VR head-mounted display embodiments that the utility model is proposed；
Fig. 3 is a kind of embodiment circuit structure schematic diagram of VR head-mounted displays that the utility model is proposed.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it may be simultaneously present centering elements.When an element is referred to as " being connected to " another element, it can be with
It is directly to another element or may be simultaneously present centering elements.
It should also be noted that, the orientation term such as left and right, upper and lower in the present embodiment, be only each other relative concept or
Using the normal operating condition of product as reference, and should not be regarded as restrictive.
Embodiment one
For the VR head-mounted displays with infrared lens, its operation principle is：VR peripheral hardwares（Such as game paddle）On set
More infrared lamps are equipped with, it can send the infrared light of infrared lens sensitive band, be arranged on the infrared mirror of VR head-mounted displays
The infrared light that head is launched by capturing infrared lamp, passes through captured infrared light and VR peripheral hardwares is positioned, and then can capture
The shapes of VR peripheral hardwares, action etc., the infrared light namely positioning infrared light, existing VR of infrared lens sensitive band wear display
Device, the infrared signal of all frequency ranges in external environment condition is directly received by infrared lens, although infrared lens are only to its sensitive ripple
The infrared photoinduction of section is preferable, can launch present in TOF modules and the nature of infrared light because VR systems also have
Infrared light etc., so multichannel superposition infrared light enter infrared lens after, infrared lens can equally be interfered, therefore can make
The shape for catching VR peripheral hardwares obscures, and causes the positioning precision of handle to go wrong, based on this, the present embodiment proposes one kind
VR head-mounted displays, as shown in figure 1, including body 11 and infrared lens 12, VR head-mounted displays also include infrared sensor 13,
Infrared jamming suppression module 14 and infrared launcher 16；Installation opening 110, infrared lens 12 are provided with the front end face of body 11
It is assemblied in installation opening 110, ideally, infrared lens 15 completely cut off with extraneous light, and infrared sensor 13 is arranged on assembling
Mouthfuls 110 oral area, and the photosurface of infrared sensor 13 is towards the outside of installation opening 110, for receiving infrared light and will receive
To infrared light be converted into electric signal and send；Infrared jamming suppression module 14 is used for the telecommunications for receiving the transmission of infrared sensor 13
Number and processing is filtered to the electric signal of reception, obtain electric signal corresponding to the infrared light of infrared lens sensitive band；And root
Drive signal driving infrared launcher 16, which is produced, according to electric signal corresponding to the infrared light of the wave band launches infrared light, infrared lens
12 are used to receive the infrared light that infrared launcher 16 is launched.It is preferred that the light-emitting area of infrared launcher 16 is towards infrared lens 12
Photosurface, therefore, the infrared light that infrared launcher 16 is launched can preferably be gathered by infrared lens 12.The present embodiment
VR head-mounted displays, by built in infrared lens, will block exterior space light enter, avoid it from directly receiving external rings
Border light, useless infrared interference in reflection infrared light and exterior space is effectively inhibited, as the collection to useful infrared light, sheet
By setting infrared sensor, Infrared jamming suppression module and infrared launcher in embodiment, wherein, infrared sensor inspection
Survey the full wave infrared light of exterior space and carry out optical-electronic conversion, electric signal corresponding to full wave infrared light is obtained, by all-wave
Electric signal corresponding to the infrared light of section only retains infrared lens sensitive band after Infrared jamming suppression module carries out signal filtering
Infrared light corresponding to electric signal, and by filtered electric signal generate drive signal, driving infrared launcher produce it is red
The infrared light of outer camera lens sensitive band, electrical-optical conversion being realized, final caused infrared light is received by infrared lens, due to
AF panel module can filter out the electric signal of the infrared light in addition to infrared lens sensitive band, effectively inhibit reflection red
The useless infrared interference of outer light and space, filtered electric signal are telecommunications corresponding to the infrared light of infrared lens sensitive band
Number, its intensity has reacted the intensity of positioning infrared light, by the way that the filtering signal is carried out into electrical-optical conversion, only launches infrared lens
The infrared light of sensitive band, substantially increase positioning infrared light pure property, effectively increase positioning precision, in addition, pass through by
Built in infrared lens, it can play a part of protecting infrared lens, while ensure that the cleaning of infrared lens photosurface so that mirror
The life-span of head is longer, effectively enhances the competitiveness of product.
Because infrared lens 12 are infrared light sensitivity principles, so whether there is visible ray to have no influence on it in body, because
This, the infrared light that closed environment can gather is purer.
Wherein, infrared lens 12 can be only to the CCD camera lenses or CMOS camera lenses of infrared photaesthesia.
As a preferred embodiment, in the present embodiment Infrared jamming suppression module include amplifying circuit, filter circuit,
Shaping circuit, amplifying circuit, filter circuit and shaping circuit are arranged on circuit board 17, and infrared sensor connects with amplifying circuit
Connect, the detection signal of infrared sensor is amplified by amplifying circuit, and is sent to filter circuit, and infrared mirror is removed for filtering out
The electric signal corresponding to infrared light outside first 12 sensitive band, and driving letter is produced after the shaping of the shaping circuit
Number, the infrared light of driving infrared launcher transmitting infrared lens sensitive band.
The insertion of circuit board 17 is arranged in installation opening 110, and the area of preferred circuit plate 17 is not less than the face of installation opening 110
Product, for installation opening 110 to be blocked, and then CCD infrared lens 12 can be caused to completely cut off with extraneous light, be infrared lens 12
Preferably photosensitive environment is provided, is not limited to block installation opening using circuit board 17 certainly, in the utility model, can also use
The closure mode of other structures, is belonged within the scope of protection of the utility model.
Installation opening 110 is blocked in order to facilitate circuit board 17, circuit board 17 preferably uses pcb board, and it makes for hard material,
With certain intensity and compressive property.
Infrared sensor 13 preferably have it is multiple, Infrared jamming suppression module and infrared launcher are one.
It is preferably the plurality of red when with multiple infrared sensors 13 due to the position of game paddle can not be predicted in advance
Outer sensor 13 is uniformly laid in around installation opening 110, can uniformly receive the infrared light in exterior space.It is red in order to protect
Outer sensor 13, preferably it is located at the outside of infrared sensor 13 setting protective cover in the oral area of installation opening 110, the protective cover should be able to
Enough transmitted infrared lights.
As shown in Fig. 2 a kind of concrete implementation circuit theory diagrams of being illustrated out in the present embodiment, amplifying circuit includes a PNP
Triode Q1 and a NPN triode Q2, PNP triode Q1 base stage are connected with infrared sensor OPT, emitter stage and dc source
VCC connections, colelctor electrode are connected with NPN triode Q2 base stage, and NPN triode Q2 colelctor electrode is connected with dc source VCC, hair
Emitter-base bandgap grading connects ground terminal.Current-limiting resistance R3, R4, R5 are also associated with amplifying circuit, the amplifying circuit is used for infrared sensor OPT
The signal of collection is amplified processing.
When with multiple infrared sensors, the plurality of infrared sensor is connected in parallel in circuit.
Filter circuit is the bandwidth-limited circuit that a high-pass filtering circuit and a low-pass filter circuit form.As shown in Fig. 2
Mainly it is made up of high-pass filtering circuit electric capacity C2 and resistance R6 and low-pass filter circuit R7 and C3.Shaping circuit is preferably used and applied
Schmitt trigger is realized.
Infrared launcher 16 infrarede emitting diode is realized, it is preferred that it can use and be set on game paddle
The consistent diode of infrared lamp, as shown in figure 3, infrared launcher 16, which is infrarede emitting diode D1, can launch infrared mirror
The infrared light of first 12 sensitive frequency range.
Illustrated in the present embodiment so that infrared lens 12 are to 38KHZ infrared carrier wave sensitivity as an example, as shown in Figure 3
Circuit workflow is as follows：
When VR systems work, there are VR peripheral hardwares respectively in space（Such as game paddle）The 38KHZ sent infrared carrier wave,
TOF transmitter modules are sent enters infrared sensing after the useless infrared light combination of 60KHZ infrared carrier waves and space that reflection comes
Device, optical-electronic conversion being carried out by infrared sensor, the electric signal that high frequency-infrared clutter changes into filters out by shunt capacitance C1, other
The electric signal for combining infrared light enters the 38KHZ band logicals that the infrared light bandwidth needed for is set after amplifying circuit（It is multistage）Filter
After ripple device, the useless infrared light of 60KHZ and space is filtered out, and then 38KHZ infrared carrier waves enter traveling wave by Schmidt trigger U1
Shape shaping, then U1 driving NMOS tubes Q3 conductings（U1 attonitys during without useful signal）, infrared transmitting tube D1 work sends pure
38KHZ infrared light, the intrinsic CCD infrared lens of VR receive the infrared light of the pure 38KHZ, so as to realize to VR
The precise movement capture positioning of peripheral hardware.
In addition, infrared sensor by be arranged to multiple array pattern parallel connections be placed on the front end face of VR bodies 11 so as to
It is more beneficial for receiving the infrared light that multiple directions transmit, equally, the infrarede emitting diode D1 of body interior is according to infrared biography
The quantity of sensor should also be arranged to multiple array parallel modules（Circle is such as formed to be centered around above internal camera camera lenses）So as to
Make the infrared angle of light-sensitive infrared sensor receptions wider and receive multichannel infrared light.
Certainly, it is to be also not limited to the example above to limitation of the present utility model, the utility model that described above, which is not,
The variations, modifications, additions or substitutions that those skilled in the art are made in essential scope of the present utility model,
Also the scope of protection of the utility model should be belonged to.
Claims (10)
1. a kind of VR head-mounted displays, it is characterised in that the infrared lens including body and installed in the body interior, institute
Stating VR head-mounted displays also includes infrared sensor, Infrared jamming suppression module and infrared launcher；
Installation opening is provided with the front end face of the body, the infrared sensor is arranged on the oral area of the installation opening, and described
The photosurface of infrared sensor is towards the outside of installation opening, for receiving infrared light and the infrared light received being converted into telecommunications
Number and send；
The Infrared jamming suppression module is used to receive the electric signal that the infrared sensor is sent and the electric signal of reception is entered
Row filtering process, obtain electric signal corresponding to the infrared light of sensitive band；And the electric signal according to corresponding to the infrared light of the wave band
Produce drive signal and drive the infrared launcher transmitting infrared light；
The infrared lens are used for the infrared light for receiving the infrared launcher transmitting.
2. VR head-mounted displays according to claim 1, it is characterised in that the infrared lens be CCD camera lenses or
CMOS camera lenses.
3. VR head-mounted displays according to claim 1, it is characterised in that the Infrared jamming suppression module includes amplification
Circuit, filter circuit, shaping circuit, the amplifying circuit, filter circuit and shaping circuit are set on circuit boards, described red
Outer sensor is connected with the amplifying circuit, and the detection signal of the infrared sensor is amplified by the amplifying circuit, and
Send to the filter circuit, for filtering out electric signal corresponding to the infrared light in addition to the sensitive band, and pass through institute
Drive signal is produced after stating the shaping of shaping circuit, drives the infrared launcher to launch the infrared light of the sensitive band.
4. VR head-mounted displays according to claim 3, it is characterised in that the circuit board insertion is arranged on the assembling
It is intraoral, and the area of the circuit board is not less than the area of the installation opening, for the installation opening to be blocked.
5. VR head-mounted displays according to claim 4, it is characterised in that the circuit board is pcb board.
6. according to the VR head-mounted displays described in claim any one of 1-5, it is characterised in that the infrared sensor has more
Individual, the Infrared jamming suppression module and the infrared launcher are one.
7. VR head-mounted displays according to claim 6, it is characterised in that when with multiple infrared sensors, this is more
Individual infrared sensor is uniformly laid in around the installation opening.
8. according to the VR head-mounted displays described in claim any one of 3-5, it is characterised in that the amplifying circuit includes one
PNP triode and a NPN triode, the base stage of the PNP triode are connected with the infrared sensor, emitter stage and direct current
Source is connected, and colelctor electrode is connected with the base stage of the NPN triode, and the colelctor electrode of the NPN triode is connected with dc source, hair
Emitter-base bandgap grading connects ground terminal.
9. VR head-mounted displays according to claim 8, it is characterised in that the shaping circuit is Schmidt trigger.
10. VR head-mounted displays according to claim 9, it is characterised in that the filter circuit is high-pass filtering electricity
Road and the bandwidth-limited circuit of low-pass filter circuit composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720342334.6U CN206638892U (en) | 2017-04-01 | 2017-04-01 | A kind of VR head-mounted displays |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720342334.6U CN206638892U (en) | 2017-04-01 | 2017-04-01 | A kind of VR head-mounted displays |
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| Publication Number | Publication Date |
|---|---|
| CN206638892U true CN206638892U (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720342334.6U Withdrawn - After Issue CN206638892U (en) | 2017-04-01 | 2017-04-01 | A kind of VR head-mounted displays |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873163A (en) * | 2017-04-01 | 2017-06-20 | 歌尔科技有限公司 | A kind of VR head-mounted displays |
-
2017
- 2017-04-01 CN CN201720342334.6U patent/CN206638892U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873163A (en) * | 2017-04-01 | 2017-06-20 | 歌尔科技有限公司 | A kind of VR head-mounted displays |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201028 Address after: 261031 north of Yuqing street, east of Dongming Road, high tech Zone, Weifang City, Shandong Province (Room 502, Geer electronic office building) Patentee after: GoerTek Optical Technology Co.,Ltd. Address before: 266104 Laoshan Qingdao District North House Street investment service center room, Room 308, Shandong Patentee before: GOERTEK TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171114 Effective date of abandoning: 20230110 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20171114 Effective date of abandoning: 20230110 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |