CN105867702B - A kind of floated projection interactive system - Google Patents
A kind of floated projection interactive system Download PDFInfo
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- CN105867702B CN105867702B CN201610179114.6A CN201610179114A CN105867702B CN 105867702 B CN105867702 B CN 105867702B CN 201610179114 A CN201610179114 A CN 201610179114A CN 105867702 B CN105867702 B CN 105867702B
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
- G03B21/008—Projectors using an electronic spatial light modulator but not peculiar thereto using micromirror devices
Abstract
The invention discloses a kind of floated projection interactive systems, it is made of magnetic suspension control base portion and the component of suspension alternative projection part two, two components are divided into magnetic suspension module, wireless charging module, interaction five touch-control module, minitype projection module and core control panel module subsystems again.The magnetic suspension control base portion is mainly used for the top suspension alternative projection part that suspended, and is its wirelessly transmitting electrical energy, and suspension alternative projection part is mainly used for multi-angle projection, network communication and realizes touch-control interactive function.It is easily affected by vibration that the present invention can effectively solve current micro projection, cause projected picture shake, camera lens can not automatic focusing, view field can not automatic keystone the problems such as, projection interactive operation means are provided for user using linear laser, camera and micro projection simultaneously, to show a kind of completely new suspension projection interactive experience mode, it allows projection to get rid of external interference, opens up suspension micro projection interaction market using new approaches.
Description
Technical field
The present invention relates to magnetic levitation technology, wireless charging, micro projection technology and touch-control interaction techniques, and in particular to a kind of
Floated projection interactive system.
Background technique
Currently, micro projector technology gradually moves to maturity, and market scale gradually expands, but the technology is derivative to be produced
There is problem in product, it is such as easily affected by vibration, need fixed position to play, fixed focal length needs debugging manually, and is used for low coverage
It is expensive from the short-focus lens of broadcasting, so that ordinary consumer can only hang back, further for the image of micro projector
The operations such as trapezoidal correction and auto-focusing mostly use greatly plug-in type mouse or manually adjust, and are easy to cause projected position and focal length
Change, to cause the decline of projected picture quality.Magnetic levitation technology is that identical charges repel each other, there is a natural attraction between the sexes is former according to magnet
Reason generates suspension effect.The application of the technology is also showed in related displaying field, such as magnetic suspension tellurian, magnetic suspension exhibition
Show platform and magnetic suspension sound box etc., these applications have attracted customer's eyeball by novel suspension effect, present good market
Prospect.But there is also problems for magnetic levitation technology, such as there are after accident power-off for magnetic suspension tellurian, magnetic suspension sound box
Suspended matter falls the risk for breaking and injuring finger.The application of wireless charging is using electromagnetic induction principle, with sky mostly now
Gas is the technology of media implementation electric energy transmission.The technology is currently mainly used for the charging of mobile phone near radio, can not only accomplish
One-to-many charging, intelligent charge, moreover it is possible to sufficiently realize convenient, the safe of charging, but charging distance is short, energy conversion rate
It is low, anti-interference ability is weak and easily causes radiation etc. becomes technology development and be difficult to the obstacle that overcomes, thus wireless charging technology
It is universal to still need to time.The infrared keyboard of present laser mainly utilizes infrared laser and camera image to acquire, while it is radium-shine to arrange in pairs or groups
Light gets keyboard grid to which finger position is demarcated and be judged.Laser infrared keyboard is different from tradition machinery keyboard,
Have many advantages, such as light portable, easy to use.But it technically can not also accomplish fining and the zonule sensitization of touch-control,
Touch area area can not also be liked by user to be changed, and accuracy has certain limitation, and laser light has one to eyes
Fixed injury is not suitable for children and uses, and causes market product sale bad.
In view of problem above, it is necessary to provide the magnetic suspension optical projection system platform of a kind of wireless charging and touch-control interaction, both
Be able to solve micro projection easily it is affected by vibration, can not automatic focusing, keystone and short focus project problem at high cost, and energy
It solves the problems, such as to break suspended matter because of accident power-off, while projection interactive operation being provided, and then bring new throwing for developer
Shadow Research idea reduces camera lens production cost, while a kind of completely new magnetic suspension Projection Body proved recipe formula also is presented for consumer, and
And laser, camera and maglev micro projected picture three are combined together to carry out the suspension projection of touch-control interaction and produce at present
Product do not occur, and floated alternative projection makes overall structure function rich in three-dimensional sense, dynamic sense, life sense etc..This product
Appearance will open up suspension micro projection interaction market using new approaches, necessarily there is good market popularization value.
Summary of the invention
In view of the problems of the existing technology and insufficient, the present invention proposes a kind of floated projection interactive system, can either
Solve the problems, such as micro projection it is easily affected by vibration, can not automatic focusing, keystone and short focus project at high cost, and can solve
The problem of breaking suspended matter because of accident power-off, while one kind is provided entirely using laser, camera and micro projection for user
New suspension projects interactive experience mode, and projection is allowed thoroughly to get rid of extraneous vibration interference, and focusing is cumbersome, image flame detection is difficult and object
Keyboard restricted problem is managed, opens up suspension micro projection interaction market using new approaches.
To solve the above problems, dividing the suspension from structure the invention proposes a kind of floated projection interactive system
Formula projection interactive system includes magnetic suspension control base portion and suspension alternative projection part two parts up and down, from function division institute
Stating floated projection interactive system includes magnetic suspension module, wireless charging module, interaction touch-control module, minitype projection module and core
The heart controls five modules of plate module.
The magnetic suspension module include lithium battery (1) inside the magnetic suspension control base portion, permanent magnet ring (2),
Electromagnet coil column (3), Hall sensor (4) and chassis interior control panel (6), and it is located at suspension alternative projection partial interior
Suspension magnet (10).
The wireless charging module include wireless charging transmitting coil (7) inside the magnetic suspension control base portion and
The wireless charging receiving coil (9) of suspension alternative projection partial interior.
The interactive touch-control module includes positioned at the line laser transmitter (5) of magnetic suspension control base portion and positioned at suspension
The camera (12) of alternative projection part.
The minitype projection module includes the micro projection ray machine (13) and reflection and transmission positioned at suspension alternative projection part
Device (14), the micro projection ray machine (13) are used for projection image, and the reflection and transmission device (14) is in described miniature
When penetrating in the projected path of ray machine (13), for reflecting the picture of the micro projection ray machine (13) projection to view field, with
Form touch-control desktop.
The core control panel module includes the core control panel (11) positioned at suspension alternative projection partial interior, for controlling
Make modules in the floated projection interactive system.
Magnetic suspension control chassis interior described in scheme proposed by the present invention is mainly by one piece of annular permanent magnet, chassis interior
Control panel, line laser, four electromagnet coils, undercarriage and motor, high-power wireless charging transmitting coil and Hall sensor
Composition.Chassis interior control panel is mainly formed by current monitoring detection, current control and with network communication components, magnetic suspension control
Base exterior groove is equipped with the undercarriage for assisting stable suspersion object.
Suspension alternative projection part is mainly by suspension magnet, the receiving coil for being affixed on suspension magnet bottom, core control
Making sheet, camera, micro projection ray machine and the optical path mould group composition that can be stirred, they are commonly connected to core control panel mould
Block.
The micro-projection device and optical path mould group are made of projection device and reflex reflector lens, mainly in combination with physical principle and
Mathematical computations produce a set of light path system for having short-focus lens function, meet specific crevice projection angle and fix projection ratio
Projection lens arranges in pairs or groups to form the functional requirement of short-focus lens.Wherein micro projection ray machine is made by oneself, the selection for lumens, passes through
Validation trial reaches properly, and is able to solve current micro- projection device and adds fan cooling problem.
The camera is mainly used to acquire the image of line laser and the projection of micro projection ray machine, relies primarily on specific calculation
Method carries out localization process and keystone, arbitrary plane can be made screen use, realizes and also can be carried out interactive behaviour without physics screen
Make function, there is very high algorithm to realize difficulty and novelty.
The beneficial effects of the present invention are:
1) projected in the way of magnetic suspension, solve the fixed position of traditional micro projector play easy placement position vibration and
It influences projected picture quality problems and greatly strengthens projection experience effect to the feeling that people find everything fresh and new.
3) the reflection and transmission plate of special optical structure meets multi-angle micro projection and launches image mode, can throw downwards
It penetrates and watches projected picture in desktop, can also be projeced into the viewing projected picture such as metope obliquely, boundary easy to operate changes previous
It needs to retighten and focus after micro projection change crevice projection angle cumbersome.
4) the stable suspended matter of needs is navigated to fixed position, suspended matter come assisting user using self-balancing undercarriage
It packs up and hides in the groove with pedestal top automatically after balance, when there is accident power-off, self-balancing undercarriage is bounced to prop up
Suspended matter is supportted, guarantees that suspended matter can be dropped and be damaged, solves existing product such as, magnetic suspension tellurian, magnetic suspension
Speaker etc. puts difficult and accident power-off and easily breaks problem.
5) projection interactive system is collectively formed using line laser, camera and micro projection ray machine, realizes micro projection
The determination and positioning of auto-focusing, automatic keystone and hand gesture location can use any desktop as screen is touched, realize
The institute of previous conventional keyboard and touch screen is functional, brings to user and dazzles cruel operating experience.
Detailed description of the invention
Fig. 1 is the whole Three-dimensional combination diagram of the present invention；
Fig. 2 is that suspension undercarriage decomposition diagram is assisted in magnetic suspension electromagnet of the present invention collocation；
Fig. 3 is micro projection light path principle floor map of the present invention.
Appended drawing reference: 1- lithium battery；2- permanent magnet ring；3- electromagnet coil column；4- Hall sensor；The transmitting of 5- line laser
Device；6- chassis interior control panel；7- wireless charging transmitting coil；8- self-balancing undercarriage；9- wireless charging receiving coil；10-
Suspending permanent magnet 11- core control panel；12- camera；13- micro projection ray machine；14- reflection and transmission plate.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in further detail.
The present invention is further described with concrete mode with reference to the accompanying drawing.
Referring to Fig. 1, Fig. 2, the present invention provides a kind of floated projection interactive system, the floated projection from structure
Interactive system includes magnetic suspension control base portion and suspension alternative projection part, forms two large divisions up and down.From realization function
The upper floated projection interactive system includes magnetic suspension module, wireless charging module, interaction touch-control module, minitype projection module
With five main functional modules of core control panel module.
Referring to Fig. 1, the magnetic suspension module includes permanent magnet ring (2), the electromagnet inside magnetic suspension control base portion
Coil column (3), Hall sensor (4), chassis interior control panel (6) and suspension alternative projection partial interior suspension magnet
(10).Permanent magnet ring (2), Hall sensor (4) and the electromagnet coil column (3) of the magnetic suspension control chassis interior are common
By chassis interior control panel (6) coordinated control.The permanent magnet ring (2) is located inside magnetic suspension control base portion, for inhaling
Draw suspension magnet (10), suspension magnet is repelled in cooperation electromagnet coil column (3), suspension alternative projection part above common guarantee
Stablize；The suspension magnet is fixed on the outer casing underpart of floating parts for holding up suspension alternative projection part above system.Institute
Stating electromagnet coil column (3) includes four, is located on the four direction inside magnetic suspension control base portion；The Hall
Sensor (4) has 2, is located at the centre of four electromagnet coil columns (3), is in same flat with wireless charging transmitting coil (7)
Face, one horizontal positioned one is vertically put, and the change of electric current is caused to the transformation of the quantity of magnetism of detection level direction and vertical direction
Change, operational amplifier circuit and the A/D acquisition that variation is passed through on chassis interior control panel (6) peripheral circuit are input to chassis interior control panel
(6) main control chip analysis is handled, when the Hall sensor (4) that two different angles are put monitors suspension magnet (10) because up and down
Offset cause different directions magnetic flux change, then cause the offset of bottom closed-loop system entirety magnetic flux to change, rear base
Internal control plate (6) calculates the magnetic flux size on four direction according to Hall sensor (4) and goes to change four electromagnetism iron wires
Loop pillar (3) is by the big a small amount of of electric current, so that electromagnet coil column (3) output different size electric current is controlled, so that four electromagnetism
Iron is increased or is reduced to the repulsion of suspension magnet (10), to make the inclined of suspension magnet (10) generation of top or more
It moves.The unevenness for causing strength that the closed-loop system that four electromagnet coil columns (3) are constituted is deviated according to top suspension magnet (10)
Different repulsion is generated to repel suspension magnet (10), and then constitutes a closed-loop system and guarantees levitated equilibrium.
Referring to Fig. 1, Fig. 2, the wireless charging module includes the wireless charging transmitting coil (7) positioned at upper surface in pedestal
With the wireless charging receiving coil (9) for being affixed on suspension magnet (10) lower surface inside superposed suspension, the wireless charging
Transmitting coil (7) is located at the top of the bottom electromagnet coil column (3), transmits electric energy to wireless charging using electromagnetic induction principle
Electric receiving coil (7).Wireless charging transmitting coil (7) is by only self-developed radio transmitter system and chassis interior emission lines
Enclose (7) composition, using electromagnetic induction principle receive transmit from below come electric energy, wherein wireless transmitting system peripheral circuit is set
Meter is located on bottom control panel (6) and is controlled by it, and the wireless monitor of designed, designed is possessed on the intracorporal core control panel 6 that suspends
Circuit mainly has the function of wireless charging current monitoring and cruising ability monitoring function.Wireless charging transmitting coil (9) is located at
Permanent magnet ring (2) and electromagnet terminal (3) surface cooperate Hall sensor (4) real-time monitoring, neither influence normal suspension institute
The quantity of magnetism needed can improve electric energy transimission power again.Receiving coil is made and improved, Neng Gouti based on electromagnetism sense principle
High certain receiving efficiency and power.
Referring to Fig. 1, the interactive touch-control module include positioned at magnetic suspension control base portion line laser transmitter (5) and
Positioned at the inclined camera in suspension alternative projection part (12), wherein line laser transmitter (5) the lamp cap direction of illumination is water
Square an a wordline laser plane being formed above touch-control desktop to, the laser of transmitting, horizontal fan illumination angle is 180 °,
It is used for the reflective acquisition image of finger.When finger removes touch desktop, line laser can be irradiated on finger, and camera can connect at this time
The line laser for receiving finger is reflective, to position finger position；The camera (12) is used to acquire the finger on touch-control desktop
Motion images, when do not have finger go touching desktop when, camera do not receive it is reflective, when have finger go carry out touch control operation when,
It can take reflective, and then be positioned according to reflective position.The camera (12) favours table on suspension alternative projection part
Face after micro projection ray machine (13) projection image to any planar shaped is at touch-control desktop, is acquired in real time by the camera (12)
Finger movement image on touch-control desktop, core control panel (11) again to the camera collect finger with sit image into
The processing of row real time algorithm, forms a Real-time Image Collecting System.Touch-control desktop effective coverage has flat with arbitrary objects
Whole surface, desktop etc. are the advantage of touch screen, and user is made to get rid of the limitation of mouse and physical screen operation.The core control panel
11 rely on interaction touch-control module acquisition finger movement image and by internal processes algorithm to realize the action correction of touch-control and determine
Position.
Referring to Fig. 1, Fig. 3, the minitype projection module is located at suspension alternative projection part, mainly includes micro projection ray machine
(13) and reflection and transmission device (14) it, is controlled by core control panel (11).The micro projection ray machine (13) is located in suspended substance
The fixation position that portion is obtained according to optical computing, the reflection and transmission device (14) are controlled by small machine, and can there are two position
With selection, at position 1, the projection light machine of the inside can't see from the external world, reflect grenade instrumentation (14) at this time and play reflex,
At position 2, from the external world can see the inside projection light machine, at this time projected picture can direct projection come out.When reflection and transmission device
(14) when playing reflex, when the reflection and transmission device (14) that the projection ray of injection passes through outside suspended substance is located at position 1
It is reflected, the original straight line of optical routing becomes broken line, to extend projection path, makes to project ratio originally and becomes smaller, to make to throw
The picture shot out is bigger.The formation of projection desktop and ground are reflected into the view field at 45-60 degree angle, collaboration touch-control interaction mould
Canted shot head (12) in block realizes keystone and automatic adjustment focal length, has and multi-angle can be realized without short-focus lens
Micro projection and automatic trapezoid correction function.When being located at position 1, mirror surface is reflective mirror to reflection and transmission device (14) at this time,
It is middle to be coated with metal on one side.After the picture that projection light machine projects is irradiated to its surface, picture is reflected on touch-control desktop, in this way
Projected picture can be presented on touch-control desktop, interaction touch-control module can normal use.When reflection and transmission device (14) is located at position
When setting 2, mirror surface does not recur the effect of blocking, and the picture that projection light machine projects can be projected directly on wall, and equipment can be worked as at this time
Make common micro projector to use, interaction touch-control module is unavailable at this time.Wherein, position 1 is in projection light machine projection road
The predetermined position of diameter, the position 2 are located at the predetermined position except the projection light machine projected path.The micro projection part
Pass through the micro projection ray machine (13) and reflection and transmission of the fixed projection ratio of optical projection light path transmission structure collocation independently made
Device (14), the new method of projection ratio can be met by forming a set of short distance, be directly changed previous by short-focus lens method
Meet the method that short distance projects larger picture, purchase short-focus lens cost is greatly saved.In addition transmission function can be also realized
Can, so as to use the projection that suspends as projector, it is allowed to picture can be projected on desktop but also be projected metope
Or on ceiling.
Referring to Fig. 1, the core control panel module includes the core control panel positioned at suspension alternative projection partial interior
(11), the coordinated operation and progress network communication and reception pedestal for being mainly used for controlling between each module in part wirelessly refer to
It enables.The core control panel module relies on the electric energy work from power supply line connection wireless charging receiving coil (9), passes through data
Line links together with camera (12), micro projection ray machine (13) and wireless transmitting system, executive control operation order.It is described
Core control panel module connection camera (12) and micro projection ray machine (13), the main projection imaging completed with control system,
Interaction touch-control and network communication, peripheral wireless charging protection circuit, which is mainly completed to cross wireless charging receiving coil (9), to be pressed through
The protection of stream.Core control panel (11) is the brain of suspension alternative projection part.
Referring to fig. 2, the self-balancing undercarriage (8) is symmetrically distributed in base upper surface groove, specifically by motor control
Support by two arcs and the rotation detent motor form in bottom, one end is fixed on pedestal by motor control, separately
Outer one section can freely swing 0 ° to 90 ° under the control of motor.It is automatically retracted when normal work and is affixed on bottom surface, after abnormal power-down
It is bounced automatically by the control system control in pedestal, is used to support top suspended matter, power supply is by internal rechargeable lithium battery
It provides.Its major function is that suspended matter suspends and prevents suspended matter from falling when accident power-off after being used to help system boot, when being
System opens the floating undercarriage of rear overhang and starts assisting user accurate positionin top object, and determining will pack up after placement location is correct automatically
In groove on to pedestal.
Furthermore, the present invention can be used as research/development platform, provides software and hardware for Education Organization and developer and supports.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
Describe in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in protection of the invention
Within the scope of.
Claims (10)
1. a kind of floated projection interactive system, it is characterised in that: dividing the floated projection interactive system from structure includes
Two parts above and below magnetic suspension control base portion and suspension alternative projection part, from the interaction of floated projection described in function division system
System includes magnetic suspension module, wireless charging module, interaction five touch-control module, minitype projection module and core control panel module moulds
Block,
The magnetic suspension module includes lithium battery (1), the permanent magnet ring (2), electromagnetism inside magnetic suspension control base portion
Iron wire loop pillar (3), Hall sensor (4) and chassis interior control panel (6), and positioned at the outstanding of suspension alternative projection partial interior
Floating magnet (10)；
The wireless charging module includes the wireless charging transmitting coil (7) and suspension inside magnetic suspension control base portion
The wireless charging receiving coil (9) of alternative projection partial interior；
The interactive touch-control module includes positioned at the line laser transmitter (5) of magnetic suspension control base portion and positioned at the interaction that suspends
The camera (12) of projection section；
The minitype projection module includes the micro projection ray machine (13) and reflection and transmission device positioned at suspension alternative projection part
(14), the micro projection ray machine (13) is used for projection image, and the reflection and transmission device (14) is in the micro projection light
When in the projected path of machine (13), for reflecting the picture of the micro projection ray machine (13) projection to view field, to be formed
Touch-control desktop；
The core control panel module includes the core control panel (11) positioned at suspension alternative projection partial interior, for controlling
Modules in floated projection interactive system are stated,
Wherein, the floated projection interactive system further includes self-balancing undercarriage (8), and the self-balancing undercarriage (8) is located at
Inside the upper surface groove of the magnetic suspension control base portion, for supporting suspension alternative projection part after powering extremely
Levitation position, and bounced automatically in accident power-off to guarantee that suspension alternative projection part is maintained at levitation position.
2. a kind of floated projection interactive system according to claim 1, it is characterised in that: the wireless charging emission lines
Circle (7) and Hall sensor (4) are connected with bottom internal control plate (6), and chassis interior control panel (6) is relied on and detected suddenly
The size of monitoring parameter control electromagnet coil column (3) the output electric current of your sensor (4), generates required repulsion, cooperates with nothing
The variation of line charge electricity electromagnetic induction is stable come the permanent magnet ring (2) for guaranteeing top；Suspension alternative projection partial interior is by the nothing
Line charge electricity receiving coil (9) is that core control panel (11) provide electric energy, and core control panel (11) connection is camera (12) and miniature
Projector (13).
3. a kind of floated projection interactive system according to claim 1, it is characterised in that: the electromagnet coil column
It (3) include four electromagnet coil columns on the magnetic suspension control chassis interior four direction；The Hall sensor
Including two, one horizontal positioned, and one is disposed vertically, for distinguishing magnetic flux quantitative change in level monitoring direction and vertical direction
Change.
4. a kind of floated projection interactive system according to claim 1, it is characterised in that: wireless charging receiving coil
(9) it is affixed on suspension magnet (10) lower surface, and it is located above permanent magnet ring (2) and electromagnet terminal (3).
5. a kind of floated projection interactive system according to claim 1, which is characterized in that the core control panel (11)
The finger movement and view field's boundary image of the camera (12) acquisition are obtained, and it is handled to realize touch-control
Operating position fixing and image flame detection.
6. a kind of floated projection interactive system according to claim 1, which is characterized in that the line laser transmitter
(5) for emit laser with above touch-control desktop formed an a wordline laser plane, when finger go touch touch-control desktop when,
Line laser can be irradiated on finger, at this time camera can receive finger line laser it is reflective, to position finger position.
7. a kind of floated projection interactive system according to claim 1, which is characterized in that the micro projection ray machine
(13) the fixation position obtained according to optical computing, is in predetermined angular with horizontal plane counterclockwise, guarantees that projection ray hands over from suspending
Mutual projection section is emitted to outside；After the reflection and transmission device (14) reflects, formation is in ground for the projection ray of injection
The view field at 45-60 degree angle, can directly project projected picture on wall after projection, do general projectors use.
8. a kind of floated projection interactive system according to claim 1, which is characterized in that the reflection and transmission device
(14) it is controlled by the core control panel (11), the position except micro projection ray machine (13) projected path can be moved to
It sets.
9. a kind of floated projection interactive system according to claim 1, which is characterized in that the self-balancing undercarriage
It (8) include that the support frame of two arcs and rotation detent motor, one end of the support frame of described two arcs are fixed on pedestal,
The other end freely swings 0 ° to 90 ° under the control of motor, the floated projection interactive system work normally when described in from
Balance undercarriage (8) is retracted into the groove on pedestal, the electric energy needed for being provided after powering off by lithium battery (1).
10. according to claim 1 or a kind of floated projection interactive system as claimed in claim 4, micro projection light path system
It is made of the micro projection ray machine (13) and reflection and transmission device (14) of fixed position.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610179114.6A CN105867702B (en) | 2016-03-25 | 2016-03-25 | A kind of floated projection interactive system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610179114.6A CN105867702B (en) | 2016-03-25 | 2016-03-25 | A kind of floated projection interactive system |
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| CN105867702A CN105867702A (en) | 2016-08-17 |
| CN105867702B true CN105867702B (en) | 2019-02-19 |
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| CN108062917A (en) * | 2018-01-02 | 2018-05-22 | 京东方科技集团股份有限公司 | A kind of floated display device |
| CN108551614A (en) * | 2018-06-25 | 2018-09-18 | 广东工业大学 | A kind of magnetic suspension sound box |
| US20200351426A1 (en) * | 2018-10-19 | 2020-11-05 | Lingdong Technology (Beijing) Co.Ltd | Magnetic levitation camera apparatus and live video system therewith |
| US11528390B2 (en) | 2018-10-19 | 2022-12-13 | Lingdong Technology (Beijing) Co. Ltd | Magnetic levitation camera apparatus and live video system therewith |
| CN109532508A (en) * | 2018-11-21 | 2019-03-29 | 彭国洪 | A kind of U-shaped magnetic suspension mode of train |
| CN112703745A (en) * | 2018-11-27 | 2021-04-23 | 深圳市柔宇科技股份有限公司 | Sound box |
| CN110250818B (en) * | 2019-05-06 | 2021-05-25 | 北海和思科技有限公司 | Rotary crystal platform |
| CN112437363B (en) * | 2020-10-30 | 2021-10-22 | 深圳市火乐科技发展有限公司 | Suspension type loudspeaker and audio output equipment |
| CN113709435B (en) * | 2021-09-13 | 2023-06-09 | 四川启睿克科技有限公司 | Suspension laser television |
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| CN105867702A (en) | 2016-08-17 |
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