CN109961663A - A kind of top-type multi-media control system - Google Patents
A kind of top-type multi-media control system Download PDFInfo
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- CN109961663A CN109961663A CN201910310060.6A CN201910310060A CN109961663A CN 109961663 A CN109961663 A CN 109961663A CN 201910310060 A CN201910310060 A CN 201910310060A CN 109961663 A CN109961663 A CN 109961663A
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- projector
- module
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- 239000007787 solid Substances 0.000 claims description 3
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/067—Combinations of audio and projected visual presentation, e.g. film, slides
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a kind of top-type multi-media control system, including projector, projector bracket, speaker and central control system, central control system includes host computer module, multimedia audio-video control module, network control module and power management module；Host computer module, multimedia audio-video control module, network control module and power management module concentrated setting, the top of teaching board is arranged in together with projector bracket, and speaker is connected with central control system.It the advantage is that, by each component concentrated setting of central control system, it is fused into an entirety, reduces the volume of central control system, central control system is arranged in the top of teaching board together with projector bracket simultaneously, the vacant position above teaching board is efficiently used, the volume and occupied area of entire multi-media control system are reduced, shortens length of cable, reduce construction cost, the usable floor area of teaching board will not be occupied, structure is simple, easy for installation.
Description
Technical field
The present invention relates to teaching decoration technique field more particularly to top-type multi-media control systems.
Background technique
With the development of economy, the intelligent teaching of social progress, school is done step-by-step, and various electric appliances are also gradually applied
In education activities, various multimedia equipments are also appeared in classroom, including projector, teaching white board, sound-box device, in network
Control module etc..Existing multi-media control system is typically mounted in dais, such as patent: multimedia teaching apparatus (patent No.:
CN201420506680.X the device in), the projector in the patent also need to hang curtain；Or the two sides of teaching white board,
Such as patent: multimedia wall hanging teaching equipment and multimedia education system (CN201620896852.8).If by multimedia control
System processed is arranged in dais, causes multimedia system irremovable because live wire is intervened inside dais, and cover board is opened
It might have safety problem later.If wall-mounted multi-media control system is arranged, the usable floor area of teaching white board can be occupied.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide a kind of top-type multi-media control system,
The top of teaching board is arranged in most of composition of multi-media control system, and realization is integrated, reduces entire multimedia control
The volume and occupied area of system shorten length of cable, reduce construction cost, will not occupy the usable floor area of teaching board, tie
Structure is simple, easy for installation.
The purpose of the present invention adopts the following technical scheme that realization:
A kind of top-type multi-media control system, including projector, projector bracket, speaker and central control system, it is described in
Control system includes host computer module, multimedia audio-video control module, network control module and power management module；The electricity
Brain server module, the multimedia audio-video control module, the network control module and power management module concentration are set
It sets, the top of teaching board is set together with the projector bracket, the speaker is connected with the central control system.
Further, the central control system includes control box, the control box and the host computer module and described more
The connection of media audio-video control module, the control box are arranged on the side of the teaching board.
Further, the speaker is arranged above the teaching board, connect with the projector bracket, the speaker
Including left voice box, right voice box and equipment box, the left voice box and the right voice box are the cabinet for being built-in with loudspeaker, the equipment box
For the cabinet for being built-in with circuit board, the power management module is arranged in the equipment box, the length and width of the equipment box
Degree is adapted with the length and width of the circuit board, and the equipment box passes through assembling structure and electric connection structure and the left sound
Case and right voice box are connected and fixed.
Further, the equipment box includes shell and panel, and the circuit board and the power management module are set to
In the shell, the inner wall of the panel is equipped with detent item, has faceplate fastener on the shell, the panel is fixed
Position corresponding with the detent item is equipped with detent slot on part, and the detent item is clamped with the detent slot to consolidate the panel
Determine on the housing.
Further, the projector bracket includes rack body, and the rack body is equipped with equipment mounting bracket, institute
Equipment mounting bracket is stated to be fixedly connected with the rack body；The rack body is equipped with decorating structure, the decorating structure
Including the cover, the cover is located on the rack body, and the cover includes cavity, the rack body and the equipment
Mounting bracket is located in the cavity, the host computer module, the multimedia audio-video control module and the network control
One of molding block or a variety of settings are in the equipment mounting bracket.
Further, the rack body further includes stand tube and rack fixing seat, the rack fixing seat and the branch
Vertical adjustment component and lateral adjustments component are connected between frame pipe, the rack fixing seat includes accommodating the vertical adjustment group
The activity space of part and lateral adjustments component；The vertical adjustment component is flexibly connected with the lateral adjustments component, described vertical
It is connect to one of component and the lateral adjustments component is adjusted with the rack fixing seat；The stand tube and the longitudinal direction
It adjusts component and/or the lateral adjustments component is fixedly connected, and be pierced by from the rack fixing seat, is connect with projector.
Further, the stand tube includes bracket outer tube, and the equipment mounting bracket is arranged on the bracket outer tube；
The trim that the cover includes the pedestal being covered on the rack fixing seat, is covered on the bracket outer tube, it is described to set
Standby mounting bracket is arranged between the trim and the bracket outer tube, and the trim includes arc top surface and opening, institute
State the least significant end that the arc top surface is arranged in opening.
Further, the stand tube includes the bracket inner tube being flexibly connected with the bracket outer tube, the decorating structure
Including the decoration front cover being fixedly connected with the bracket inner tube, the decoration front cover follows the relatively described the cover of the bracket inner tube
It is mobile.
Further, the decoration front cover includes side occlusion part and top mounting portion, and the side occlusion part is located at
The outside of the bracket outer tube, and be fixedly connected by the top mounting portion with the bracket inner tube, the side occlusion part
Gap is equipped between the bracket inner tube, for accommodating the bracket outer tube；The two sides of the equipment mounting bracket be equipped with to
The groove of sunken inside, the groove are adapted with the side occlusion part.
Further, this control system further includes network synchronization clock, and the network synchronization clock is arranged in the bracket
In main body or the decorating structure, the network synchronization clock includes clock circuit and display screen, the display screen and it is described when
Clock circuit connection, the clock circuit include network auto-calibration circuits.
Compared with prior art, the beneficial effects of the present invention are: the present invention melts each component concentrated setting of central control system
An entirety is synthesized, reduces the volume of central control system, while teaching board is arranged in central control system together with projector bracket
Top, efficiently use teaching board above vacant position, reduce the volume and occupied area of entire multi-media control system,
Shorten length of cable, reduces construction cost, the usable floor area of teaching board will not be occupied, structure is simple, easy for installation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the top-type multi-media control system of the embodiment of the present invention, and which show include projection
The installation condition schematic diagram of each component of control system including machine；
Fig. 2 is the configuration schematic diagram of the top-type multi-media control system of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the speaker of the embodiment of the present invention；
Fig. 4 is the attachment structure schematic diagram of the Loudspeaker panel of the embodiment of the present invention；
Fig. 5 is the Loudspeaker panel of the embodiment of the present invention and the connection status structural schematic diagram of shell；
Fig. 6 is the structural schematic diagram of the equipment of the embodiment of the present invention mounting bracket and rack body；
Fig. 7 is the structural schematic diagram of another angle of the equipment of the embodiment of the present invention mounting bracket and rack body；
Fig. 8 is the structural schematic diagram of the rack body of the embodiment of the present invention, decorating structure and network synchronization clock；
Fig. 9 is the structural schematic diagram of the decoration front cover of the embodiment of the present invention and another angle of rack body；
Figure 10 is the structural schematic diagram of the rack body of the embodiment of the present invention；
Figure 11 is the structural schematic diagram of the lateral adjustments component of the embodiment of the present invention, vertical adjustment component and stand tube；
Figure 12 illustrates for the detonation configuration of the lateral adjustments component of the embodiment of the present invention, vertical adjustment component and stand tube
Figure；
Figure 13 is the schematic diagram of the section structure of the rack body of the embodiment of the present invention；
Figure 14 is the configuration schematic diagram of the decoration front cover of the embodiment of the present invention.
In figure:
100, projector；200, projector bracket；210, rack fixing seat；211, extend side；212, mounting hole；213, living
Dynamic space；214, through slot；220, bracket outer tube；221, guiding groove；222, sliding slot；230, bracket inner tube；231, guide groove；232,
Adjusting knob；240, projector's erecting bed；250, vertical adjustment component；251, vertical adjustment slot；252, vertical adjustment seat；
253, vertical adjustment bar；254, card slot nut；255, content cavity；256, boss；257, locking nut；260, lateral adjustments group
Part；261, lateral adjustments slot；262, lateral adjustments bar；263, lateral adjustments seat；264, locking member；265, nut card slot；300,
Speaker；310, mounting groove；320, left voice box；321, extension table；322, locating slot；330, right voice box；340, equipment box；341, electric
Road plate；342, shell；343, faceplate fastener；344, detent slot；345, elastic slice；346, flange；347, detent portion；348, it hides
Rib；350, panel；351, detent item；352, notch；353, bending edge；360, assembling structure；361, positioning column；362, it positions
Hole；363, extension edge；364, the first lock screw；365, the second lock screw；400, central control system；410, box is controlled；411,
Control handle；412, subscriber identification module；420, power management module；430, host computer module；440, network control module；
450, interface；460, network synchronization clock；461, clock circuit；462, display screen；463, hour regulating key；464, minute
Regulating key；500, teaching board；600, equipment mounting bracket；610, holding tank；611, bottom；612, upper layer；620, fixture block；
630, mounting plate；640, groove；700, decorating structure；710, the cover；711, cavity；712, pedestal；713, trim；714, arc
Shape top surface；715, it is open；716, decorative bottom plate；717, card slot；718, it buckles；720, front cover is decorated；721, side occlusion part；
722, top mounting portion；723, gap；724, guiding rib；725, window；730, front shroud；731, installation position；732, shell；
733, sealing plate；734, it covers；735, cavity；736, fixed column.
Specific embodiment
Below with reference to attached drawing, the present invention is described in more detail, it should be noted that lower reference attached drawing is to this
The description that invention carries out is only illustrative, and not restrictive.It can be combined with each other between each difference embodiment, with
Constitute the other embodiments not shown in the following description.
In the description of the present invention, it should be noted that " transverse direction ", " vertical if any term " center " for the noun of locality
To ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top",
The indicating positions such as "bottom", "inner", "outside", " clockwise ", " counterclockwise " and positional relationship are orientation based on the figure or position
Relationship is set, the narration present invention is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning are necessary
It constructs and operates with specific orientation, with particular orientation, should not be understood as limiting specific protection scope of the invention.
In addition, being used for description purposes only if any term " first ", " second ", it is not understood to indicate or imply relatively heavy
The property wanted or the quantity for implicitly indicating technical characteristic." first " is defined as a result, " second " feature can be expressed or implicit include
One or more this feature, in the present description, " several " are meant that two or more, unless otherwise clearly having
The restriction of body.
In the present invention, except as otherwise clear stipulaties and restriction, should make if any term " assembling ", " connected ", " connection " term
Broad sense goes to understand, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It is also possible to mechanical connect
It connects；It can be directly connected, be also possible to be connected by intermediary, can be and be connected inside two elements.For ability
For the those of ordinary skill of domain, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Referring to attached drawing 1 to attached drawing 14, the top-type multi-media control system of embodiment according to the present invention will be following
It is elucidated in description, wherein the integrated setting of central control system is reduced the whole body of multi-media control system by projector bracket
Product avoids the usable floor area for occupying teaching board, while shortening the length of connection cables, has beautified classroom environment.
As shown in Figure 1 and Figure 2, the top-type multi-media control system of the present embodiment, including projector 100, projection
Machine support 200, speaker 300 and central control system 400, central control system 400 include host computer module 430, multimedia audio-video control
Molding block, network control module 440 and power management module 420；Host computer module 430, multimedia audio-video control module,
420 concentrated setting of network control module 440 and power management module, is arranged in teaching board 500 together with projector bracket 200
Top, speaker 300 are connected with central control system 400.The teaching board 500 of the present embodiment can for intelligent whiteboard, common blank,
Blackboard or intelligent touch screen plate, if being blackboard, then projector 100 further includes curtain, and curtain is also disposed at teaching board 500
The curtain of top, projector 100 is existing structure, belongs to common knowledge, details are not described herein；If being common blank, then should
Blank can be used as the curtain of projector 100, and then user operates central control system 400, and is shown in by projector 100
On common blank；If then the teaching board 500 is connected with central control system 400, becomes for intelligent whiteboard or intelligent touch screen plate
A part of multi-media control system, user can directly operate on the teaching board 500.
In addition, as shown in Fig. 1, in order to facilitate user's operation, central control system 400 includes control box 410, box 410 is controlled
It is connect with host computer module 430 and multimedia audio-video control module, the side of teaching board 500 is arranged in control box 410
Lower part, control box 410 may also be fabricated which the structures such as portable structure, such as intelligent distant control, and user can be by controlling 410 centering control of box
System 400 carries out some operations, for example carry out page switching, volume adjustment etc..Therefore control handle is additionally provided on control box 410
411.In addition, setting user can also be identified on control box 410 to avoid irrelevant personnel from mishandling multi-media control system
Module 412, subscriber identification module 412 can log in the identification methods such as identification for card reading identification, bio-identification, user password, use
Family can by plug-in card, facial scan, fingerprint recognition or directly input the operations such as login password start central control system 400 and control box
410。
Speaker 300 is also the essential a part of multi-media control system, be can be set on a left side for teaching board 500
Right two sides or lower section can be independently arranged in classroom, as long as with 400 communication connection of central control system and sounding.In order to
The volume for further reducing entire multi-media control system, makes its centralization, and the speaker 300 of the present embodiment is arranged in teaching board
500 top is connect with projector bracket 200.Speaker 300 and the connection structure of projector bracket 200 are as shown in Fig. 2, throw
Shadow machine support 200 includes rack body, and rack body includes rack fixing seat 210 and stand tube, projector bracket 200 and is thrown
Shadow machine 100 is fixed by the bracket seat 210 and is fixedly connected with metope, and the upper surface in the middle section of speaker 300 is equipped with mounting groove 310, peace
The shape of tankage 310 is adapted with rack fixing seat 210, will be in the lower end insertion mounting groove 310 of rack fixing seat 210 and fixed
Rack fixing seat 210 and speaker 300 so that projector bracket 200 be combined with speaker 300, and are fixed on teaching board 500
Top, speaker 300 can be also fixed by screws with metope, install speaker 300 more stable secured.
If attached drawing 2 is to shown in Fig. 5, the speaker 300 of the present embodiment is string configuration, including left voice box 320, right voice box
With equipment box 340, left voice box 320 and right voice box 330 are the cabinet for being built-in with loudspeaker, and equipment box 340 is to be built-in with circuit board 341
Cabinet, power management module 420 be arranged in equipment box 340, equipment box 340 is close to projector bracket 200, power supply at this time
Management module 420 can be connect by very short cable with the other parts in central control system 400, and excessive too long cable is avoided to lead
The wiring confusion of cause.Equipment box 340 is connect by assembling structure 360 and electric connection structure with left voice box 320 and right voice box 330
It is fixed.In order to realize the present embodiment multi-media control system expanding function, the left voice box 320 of the present embodiment, right voice box and
340 split settings of equipment box are independent cabinet, the length and width and the length and width phase of circuit board 341 of equipment box 340
Adaptation solves the problems, such as that existing integrated sound box 300 modifies size inconvenience, improves production efficiency, save the cost.Equipment box
340 length and width is customized according to the length and width of circuit board 341, the expanding function needed for can adding in processing link,
The size of equipment for customizing case 340.
More specifically, equipment box 340 is arranged among left voice box 320 and right voice box 330, then passes through assembling structure
360 realize the mechanical connection of left voice box 320, right voice box and equipment box 340, are realizing left voice box 320, the right side by electric connection structure
Speaker is electrically connected with equipment box 340, and the electric connection structure in the present embodiment is electric wire (not shown), left voice box 320 and right sound
Case 330 can be connect with equipment box 340 by electric wire, a main sound box can be arranged in left voice box 320 and right voice box 330
300, main sound box 300 is connect with 340 electric wire of equipment box, then connects main sound box 300 and the wireless transmission of another speaker 300,
Transmission mode can be 900MHz radio technology, which is the prior art, and is common in sound technique field, herein no longer
It repeats.The side of main sound box 300 is equipped with the through-hole that supply lines passes through, and 340 corresponding position of equipment box also is provided with supply lines and passes through
Hole.
There are many connection types of left voice box 320 and right voice box 330 and equipment box 340, in order to realize quick assembling, this reality
The assembling structure 360 for applying example includes predetermined bit architecture, and more specifically, assembling structure 360 includes positioning column 361 and location hole
362, equipment box 340 is arranged in towards the side of left voice box 320 and right voice box 330 in one of positioning column 361 and location hole 362
On, another one is correspondingly arranged on the corresponding position of left voice box 320 and right voice box 330.It is tailored into the amount for completing equipment box 340
Afterwards, it needs to fit together left voice box 320, right voice box and equipment box 340, for the total tune and beauty of speaker 300,
The length and width of equipment box 340 are highly consistent with the height of left voice box 320 and right voice box 330 according to 341 custom cut of circuit board.Such as
Attached specific example shown in Fig. 3, positioning column 361 are arranged on the left and right side of equipment box 340, and accordingly, location hole 362 is arranged
Corresponding position in the side of left voice box 320 and right voice box 330, positioning column 361 are adapted with location hole 362, positioning column 361
Quantity can be 1,2,3 or more, positioning column 361 and 362 position of location hole can also also belong to that the present invention is required to be protected
The range of shield.Another pre-determined bit mode is that assembling structure 360 includes extension edge 363, and extension edge 363 is arranged in equipment box 340
Lower end surface, extend to the bottom surface of left voice box 320 and right voice box 330, and offset with the bottom surface of left voice box 320 and right voice box 330.
During installation, can first left voice box 320 or right voice box 330 be placed on extension edge 363, then drawn close with equipment box 340, until
Positioning column 361 is inserted into location hole 362, is completed pre-assembled, is then fixed.Assembling structure 360 includes the first lock screw
364 and second lock screw 365, the first lock screw 364 side of positioning column 361, the setting of the second lock screw 365 are set
On extension edge 363, after completing pre-assembled, left and right speaker and equipment box 340 are locked using the first lock screw 364
Side utilizes the bottom surface of the second lock screw 365 locking extension edge 363 and left and right speaker.
Equipment box 340 is made of metal plate material, including shell 342 and panel 350, circuit board 341 are set to shell
In 342, the screw hole of the first lock screw 364 is located on shell 342, therefore, assembly when, generally first by left and right speaker with
After equipment box 340 is fixedly connected, panel 350 is then covered.
Because being equipped with several circuit boards 341 and interface, in order to facilitate wiring and maintenance, the present embodiment in equipment box 340
Panel 350 is detachable panel 350, and the structure being mainly reflected between panel 350 and shell 342 is snap-fit arrangements, more
Specifically, the inner wall of panel 350 is equipped with detent item 351, faceplate fastener 343, faceplate fastener are had on shell 342
The both ends of the shell 342 of 343 setting equipment boxs 340 are crossed on shell 342, keep away close to left voice box 320 and right voice box 330
Exempt to interfere with circuit board 341 and the connector lug inside equipment box 340, position corresponding with detent item 351 in faceplate fastener 343
Equipped with detent slot 344, detent item 351 and detent slot 344 are clamped so that panel 350 to be fixed on shell 342.Detent item 351 and/
Or a certain range of elastic deformation can occur for detent slot 344, detent item 351 and 344 flexible clamping of detent slot are to fix panel
350。
When installing panel 350, detent item 351 on 350 inner wall of panel is embedded in detent slot 344, make panel 350 with
Shell 342 is fixed；When needing to remove panel 350, detent item 351 and detent can be separated by holding panel 350 and firmly pulling out outward
Slot 344, to remove panel 350.Detent item 351 is arranged on the inner wall of panel 350, will not expose on the surface of panel 350,
The integrality that ensure that panel 350 keeps 350 surface of panel more attractive.
In order to realize being elastically engaged for detent item 351 and detent slot 344, one of detent item 351 and detent slot 344
Or both a certain range of elastic deformation can occur, as an implementation, detent item 351 can be inelastic deformation material
It being made, detent slot 344 is made of elastic deformation material, and as shown in the picture, connector includes two symmetrically arranged elastic slices 345,
There is certain distance between two elastic slices 345, constitute detent slot 344.Meanwhile detent slot 344 is caught in order to facilitate detent item 351
In, elastic slice 345 includes the flange 346 being arranged outward and outwardly projecting detent portion 347,346 structure of flange of two elastic slices 345
At guide portion, two opposite detent portions 347 constitute detent slot 344, form beam mouth shape structure, detent item 351 is made to be not easy,
The shape of detent item 351 is adapted with detent portion 347, it is preferable that detent portion 347 is outwardly projecting arcuate structure.
As another embodiment, detent item 351 can be made of elastic deformation material, and detent slot 344 is by non-resilient material
Material is made, and detent item 351 is pressing detent item 351 towards the side band jagged 352 of detent slot 344 for hollow structure
To contract when contracting power, hence into detent slot 344, be then clamped with 344 phase of detent slot, at this time detent slot 344 can with it is upper
As in one embodiment, there is the flange 346 being arranged outward and outwardly projecting detent portion 347, by two 346 structures of flange
At guide portion, detent slot 344 is constituted by two detent portions 347, to form beam mouth shape structure, detent item 351 is stuck in detent
In slot 344.Preferably, the section of detent item 351 is 715 annular of opening.
As another embodiment, detent item 351 and detent slot 344 are all made of elastic deformation material and are made, structure with
The structure of above-mentioned two embodiment is consistent.It is worth noting that, the shape of detent item 351 and detent slot 344 is diamond shape or flat
Flat shape structure or other it is common can with above embodiment other same clampings effects shape, also belong to required by the present invention
The range of protection.
As shown in figures 4 and 5, the two sides of the panel 350 of the present embodiment are bent towards shell 342, form bending
Side 353, the lower surface of bending edge 353 and the upper surface of 342 side wall of shell offset, to avoid dust or it is water stain enter equipment box
In 340.Preferably, the inner position in the upper surface of the side wall of shell 342 is equipped with and blocks side 348, blocks side 348 and is located at bending edge
353 insides further prevent dust and water stain into equipment box 340, to the circuit board 341 and power management in equipment box 340
Module 420 plays a protective role.The panel 350 of the present embodiment can be used Metal plate and be made, according to the length of equipment box 340
Cutting uses, and panel 350 and bending edge 353 are integrally formed, and detent item 351 is an integral structure with panel 350.
In addition, as shown in Fig. 3, in order to block the junction of equipment box 340 and left and right speaker, left voice box 320 and right sound
The top of case 330 towards the side of equipment box 340 is equipped with extension table 321, and extension table 321 is equipped with locating slot 322, detent item
351 clampings corresponding with locating slot 322, make the both sides of panel 350 cover the junction of left and right speaker Yu equipment box 340, make
300 surface of speaker is more complete beautiful, and dust is also avoided to be directly entered between left and right speaker and equipment box 340.
In order to place central control system 400, the projector bracket 200 of the present embodiment is equipped with memory space, more specifically,
Rack body is equipped with equipment mounting bracket 600, and equipment mounting bracket 600 is fixedly connected with rack body；Host computer module
430, one of multimedia audio-video control module and network control module 440 or a variety of settings are in equipment mounting bracket 600
In.Rack body is equipped with projector's erecting bed 240, and projector 100 is fixedly connected with projector erecting bed 240, projects at this time
Each section of machine 100 and central control system 400 is apart from close, it is only necessary to which very short display cable can connect, in addition, in order into one
Step improves the aesthetics of projector 100 and bracket, and rack body is equipped with decorating structure 700, and decorating structure 700 includes the cover
710, the cover 710 is located on rack body, and the cover 710 includes cavity 711, and rack body and equipment mounting bracket 600 are located at
In cavity 711, rack body, equipment mounting bracket 600 and central control system 400 are blocked, decoration can be not only played
Effect, can also cover dust-proof；Furthermore it is also possible to the material of rack body and the shape of the cover 710 be selected, to realize centering control
The purpose that system 400 radiates.
More specifically, the equipment mounting bracket 600 of the present embodiment is arranged in stand tube, and stand tube includes bracket outer tube
220 and bracket inner tube 230, the cover 710 includes the pedestal 712 being covered on rack fixing seat 210, is covered on bracket outer tube 220
On trim 713, equipment mounting bracket 600 be arranged between trim 713 and bracket outer tube 220, trim 713 include arc
The least significant end of arc top surface 714 is arranged in shape top surface 714 and opening 715, opening 715.The main of heat spreading function is played in the cover 710
It is arc top surface 714 and opening 715, equipment mounting bracket 600 and central control system 400 are located at 714 lower section of arc top surface, middle control
The heat that system 400 generates rises at arc top surface 714, and then arcuately top surface 714 is passed to being open at 715, by heat
The cover 710 is discharged；Such structure, which avoids, directly opens up venthole on 710 top of the cover, directly opens on 710 top of the cover
If venthole is easy to make dust directly into the cavity 711 of people's the cover 710, long-time dust stratification will affect dissipating for central control system 400
Heat function；The present embodiment is guided heat to outlet using arc top surface 714, has both had effectively achieved dissipating for central control system 400
Heat, but effectively blocking dust enters cavity 711.
The cover 710 can be fixedly connected with the metope around rack fixing seat 210 or bracket outer tube 220, can be with branch
Frame outer tube 220 connects, and 220 bottom of bracket outer tube is equipped with decorative bottom plate 716, and the cover 710 is interlockingly connected with decorative bottom plate 716, with solid
Determine the cover 710, while keeping the cover 710 detachable, facilitates the rack body or central control system 400 adjusted in the cover 710.More specifically
Say that as shown in Fig. 2, the two sides of bracket outer tube 220 are equipped with decorative bottom plate 716, and decorative bottom plate 716 can be with bracket outer tube 220 in ground
Welding or screw are fixedly connected, and decorative bottom plate 716 can be an integral structure, can also including two side plates and intermediate connecting plate
Think split type structure, two including split settings side plate, two side plates are fixedly connected with bracket outer tube 220 respectively.Side plate
Outer edge be equipped at least one card slot 717, the two sides inner wall lower end of the cover 710 is equipped with buckle corresponding with card slot 717
718, buckle 718 is caught in card slot 717 to fix the cover 710.
As shown in Fig. 6, the equipment mounting bracket 600 of the present embodiment includes holding tank 610, and holding tank 610 includes two layers
The bottom 611 of structure, equipment mounting bracket 600 is case type structures, and the one side of the case type structures is not set to block, and can place one and open up
Equipment is opened up, the interface 450 for the expansion equipment that this layer is placed facilitates patch cables towards the not set one side blocked；Equipment peace
The upper layer 612 for filling bracket 600 is the logical structure in side, and area is greater than the area of bottom, can place biggish expansion equipment, for convenience
The direction of wiring, the interface 450 of the expansion equipment on upper layer 612 is consistent with lower layer.Central control system 400 may also include wireless biography
Shield one of box, TV box, wireless router or a variety of.It is worth noting that, the specific example as shown in attached drawing 6
In, the structure for illustrating the equipment mounting bracket 600 of the present embodiment so that holding tank 610 is double-layer structure, but holding tank 610 is two
Layer structure can not be considered as the limitation of the content and range of the structure to the equipment mounting bracket 600 of the present embodiment, this implementation
The equipment mounting bracket 600 of example can also be one or more layers, and volume size and 711 size of cavity of the cover 710 are mutually fitted
Match.
And equipment mounting bracket 600 and the connection type of bracket outer tube 220 can have a variety of structures, in an embodiment,
Bracket outer tube 220 includes guiding groove 221, and guiding groove 221 is located at 600 lower section of equipment mounting bracket, equipment mounting bracket 600
Bottom is equipped with fixture block 620, and fixture block 620 is clamped with 221 phase of guiding groove, is then carried out using the cover 710 to equipment mounting bracket 600
Limit, avoids its movement, this kind of connection type makes the installation and removal of bracket outer tube 220 and equipment mounting bracket 600 all very
It is convenient；In another embodiment, bracket outer tube 220 is that 640 side of groove leads to structure；The side of equipment mounting bracket 600 is equipped with peace
Loading board 630, mounting plate 630 passes through with the side of bracket outer tube 220 to be fixedly connected, more specifically, by mounting plate 630 and bracket
Screw hole alignment on 220 side of outer tube, screw pass through screw hole and lock mounting plate 630 and bracket outer tube 220, thus fixed
Equipment mounting bracket 600.The equipment mounting bracket 600 and bracket outer tube 220 of the present embodiment combine two kinds of embodiments, guarantee
The stabilization of equipment mounting bracket 600.It is worth noting that, any of the above-described embodiment is used alone to realize equipment installation branch
The structure that frame 600 is connect with bracket outer tube 220 also belongs to scope of the present invention.
Rack body includes the bracket inner tube 230 being flexibly connected with bracket outer tube 220, the bracket outer tube 220 of the present embodiment
Hollow, two sides inner wall is equipped with sliding slot 222, and bracket inner tube 230 is embedded in sliding slot 222 and is flexibly connected with bracket outer tube 220；When
When needing to adjust the distance between projector 100 and metope, bracket inner tube 230 is pushed and pulled, and the exposure of bracket inner tube 230 is brought
The problem of, then it is solved by decorating structure 700.Bracket inner tube 230 from bracket outer tube 220 from inside to outside move after, bracket inner tube
230 are exposed to outside, not only impact to the overall aesthetic degree of projector bracket 200, it is also possible to dust be made to enter bracket inner tube
In 230, therefore decorating structure 700 includes the decoration front cover 720 being fixedly connected with bracket inner tube 230, and decoration front cover 720 follows branch
Frame inner tube 230 is mobile relative to fixed the cover 710.The side occlusion part 721 of decoration front cover 720 solves the beauty of bracket inner tube 230
Sight degree problem, maintains the consistency of 200 outer tube of projector bracket, may also include top occlusion part (not shown), utilizes folding
Formula barrier structure covers bracket inner tube 230, improves the leakproofness of bracket inner tube 230, dust is avoided to enter bracket inner tube
In 230.As shown in the picture, decoration front cover 720 further includes top mounting portion 722, and side occlusion part 721 is located at bracket outer tube
220 outside, and be fixedly connected by top mounting portion 722 with bracket inner tube 230, side occlusion part 721 and bracket inner tube
Gap 723 is equipped between 230, for accommodating bracket outer tube 220.When bracket inner tube 230 is contracted in bracket outer tube 220, branch
Frame outer tube 220 is located in gap 723, avoids contradicting with the side occlusion part 721 of decoration front cover 720；Side occlusion part 721 with
Bracket inner tube 230 is not directly connected to, ensure that the surface of side occlusion part 721 is complete, improves aesthetics, while top being utilized to pacify
Dress portion 722 is fixed by screws with bracket inner tube 230.Preferably, to avoid side occlusion part 721 from rolling, top
722 inner wall of mounting portion is equipped with guiding rib 724, and the top surface of bracket inner tube 230 is equipped with guide groove 231, the insertion guiding of guiding rib 724
In slot 231, then mounting portion 722 and bracket inner tube 230 at the top of the screw locking of the inside, make the inner wall and branch of top mounting portion 722
The top surface of frame outer tube 220 offsets, and keeps the installation for decorating front cover 720 more stable.
Since bracket inner tube 230 and decoration front cover 720 are mobile relative to bracket outer tube 220, and it is arranged on bracket outer tube 220
There is equipment mounting bracket 600, being rushed when to avoid decoration front cover 720 from being contracted in bracket outer tube 220 with equipment mounting bracket 600
It is prominent, while the volume of entire projector bracket 200 is reduced, the two sides of equipment mounting bracket 600 are equipped with the groove being recessed inwardly
640, groove 640 is adapted with side occlusion part 721, when bracket inner tube 230 is contracted in bracket outer tube 220, decorates front cover
720 side occlusion part 721 is located in groove 640.Opening 715 on trim 713 acts not only as thermovent use, also
As the telescopic mouth of bracket inner tube 230 and decoration front cover 720, bracket inner tube 230 is stretched in opening 715；Decorate front cover 720 with
Bracket inner tube 230 is fixedly connected, and is moved in opening 715 with bracket inner tube 230.
As shown in attached drawing 8 and attached drawing 14, the multi-media control system of the present embodiment further includes network synchronization clock 460, net
Network synchronised clock 460 is arranged on rack body or decorating structure 700, and network synchronization clock 460 includes clock circuit 461 and shows
Display screen 462, display screen 462 are connect with clock circuit 461, and clock circuit 461 includes network auto-calibration circuits.
More specifically, the setting of network synchronization clock 460 of the present embodiment is on decoration front cover 720, network synchronization clock
460 include clock circuit 461 and display screen 462, and display screen 462 is connect with clock circuit 461, decorates on front cover 720 and is provided with
Installation position 731, network synchronization clock 460 are located at installation position 731, decorate on front cover 720 and are additionally provided with sealing plate 733, sealing plate 733 is
Bright or trnaslucent materials is made, and sealing plate 733 covers on installation position 731, is adapted with display screen 462；Clock circuit 461 includes
Network auto-calibration circuits.The front end of rack body is arranged in decoration front cover 720, is arranged towards the position where student, bracket
Main body is arranged above teaching white board, and decoration front cover 720 is arranged in towards the one side in the middle part of classroom in network synchronization clock 460
On, Student oriented, guarantee each student it can be seen that network synchronization clock 460 display screen 462；In addition, in display screen
Sealing plate 733 is arranged in 462 outsides, and to protect display screen 462, sealing plate 733 can be made of transparent or semitransparent acrylic board.When
Network auto-calibration circuits in clock circuit 461 include network central control circuit, and network central control circuit is connect with external network server, outside
Network server is connect with network time server, and physical circuit belongs to more mature technology, can be such as publication, when automatic
Between calibrate electronic clock (publication number: CN204807947) disclosed in time adjustment module and network data read module, can also be
Other existing control circuits being connect with outer net.Display screen 462 includes display circuit, and display circuit is connected with time circuit
It connects, the display screen 462 of the present embodiment can be four sections of LED digital-scroll technique tube modules, or LED flat plate display.
In addition, clock circuit 461 includes hour regulating key 463 and minute regulating key 464, in the initial stage pair
Clock circuit 461 is adjusted, and is set on sealing plate 733 there are two aperture, hour regulating key 463 and minute regulating key 464 divide
Wei Yu not be in aperture, and sealing plate 733 is protruded from, facilitate user's pressing keys.
In order to further enhance the decorative effect that blocks of decorating structure 700, decoration front cover 720 includes the front cover extended downwardly
Plate 730, front shroud 730 are located at outside cavity 711, and Student oriented setting, installation position 731 is arranged on front shroud 730.User exists
The front of bracket is normally at when use, projector bracket 200 from the point of view of user, due to the presence of front shroud 730, user
It can not see the internal structure of bracket, meanwhile, front shroud 730 can also block the connection of projector's erecting bed 240 and projector 100
Structure, it is further provided the aesthetics of projector 100 and bracket.In addition, the installation of network synchronization clock 460 for convenience, preceding
Cover board 730 includes shell 732 and capping 734, and capping 734 is adapted with shell 732, and the inner wall of shell 732 is equipped with fixed column
736, network synchronization clock 460 is fixedly connected with fixed column 736, is located between shell 732 and capping 734, clock circuit 461
It is locked between shell 732 and capping 734, and through screw with fixed column 736, display screen 462 is located at 732 court of shell
In the middle part of to classroom in the cavity 735 of one side, clock circuit 461 is electrically connected with display screen 462, then will capping 734 and shell
732 are fixed by screw locking.Capping 734 on decoration front cover 720 not may be positioned only at the position of front shroud 730, Ke Yishe
It sets in the bottom of side occlusion part 721, Metal plate integrated molding can be used in capping 734, directly seals side occlusion part 721
The rear portion of bottom and front shroud 730.
Projector 100 in the present embodiment can be ultra short focal projector 100, and the degree of regulation of this kind of projector 100 is wanted
Ask higher, and rack fixing seat 210 is during installation, punching may there is a problem of less accurate on wall, if error is smaller,
Fine tuning structure can be used also to adjust, if error is excessive, existing 200 mounting base of ultra short focal projector bracket is after fixation not
It is adjustable, then it needs to remove rack fixing seat 210 punching installation again, not only metope is destroyed than more serious in this way, and
The stabilization of stand tube and projector 100 is impacted.Therefore, as described in attached drawing 10 to attached drawing 13, the bracket of the present embodiment is solid
Vertical adjustment component 250 and lateral adjustments component 260 are connected between reservation 210 and stand tube, rack fixing seat 210 includes holding
Receive the activity space 213 of vertical adjustment component 250 and lateral adjustments component 260；Vertical adjustment component 250 and lateral adjustments group
Part 260 is flexibly connected, and one of vertical adjustment component 250 and lateral adjustments component 260 are connect with rack fixing seat 210；Branch
Frame pipe is fixedly connected with vertical adjustment component 250 and/or lateral adjustments component 260, and is pierced by from rack fixing seat 210, with
Projector 100 connects.
The upper and lower end face of rack fixing seat 210, which is equipped with, extends side 211, extends side 211 and is equipped with mounting hole 212, is installing
When, it need to punch in wall corresponding position, then be directed at porthole and mounting hole 212, setscrew is inserted into, by rack fixing seat
210 are locked with wall；It is worth noting that, extending side 211 can also be provided at the left and right sides of rack fixing seat 210, or
Person is respectively provided in the surrounding of rack fixing seat 210 extends side 211, more stable is installed securely with realizing.Rack fixing seat 210
Inside be equipped with accommodate vertical adjustment component 250 and lateral adjustments component 260 activity space 213, rack fixing seat 210 with
Before wall is fixedly connected, vertical adjustment component 250 and the assembly of lateral adjustments component 260 are first put into activity space 213, activity
The size in space 213 is adapted with the adjustable range of stand tube, and the front of rack fixing seat 210, corresponding with activity space 213
Position, be equipped with a through slot 214, be pierced by for stand tube, at the same the area of through slot 214 be greater than stand tube cross-sectional area, make it
Position-adjustable is mobile；Stand tube is used for connecting bracket fixing seat 210 and projector 100.
If attached drawing 10 is to shown in Figure 13, vertical adjustment component 250 includes vertical adjustment slot 251, vertical adjustment bar 253 and indulges
To adjustment seat 252, lateral adjustments component 260 includes lateral adjustments slot 261, lateral adjustments bar 262 and lateral adjustments seat 263, is indulged
It is vertically arranged to adjusting rod 253 and lateral adjustments bar 262, lateral adjustments component 260 further includes locking member 264, locking member 264
Across vertical adjustment slot 251, guarantee that regulating tank 251 moves up and down along longitudinal direction for lateral adjustments component 260 and stand tube.
Vertical adjustment seat 252 is flexibly connected with lateral adjustments seat 263, and stand tube is fixedly connected with lateral adjustments seat 263,
Connection type can be with screw connection.Lateral adjustments slot 261 is arranged on the side of the vertical direction of rack fixing seat 210, longitudinal
Regulating tank 251 is arranged on the side of the horizontal direction of vertical adjustment seat 252, and vertical adjustment bar 253 connects lateral adjustments seat 263
With vertical adjustment seat 252, and it is pierced by the upper surface of rack fixing seat 210, the upper surface of rack fixing seat 210 also has for longitudinal direction
The sliding slot 222 that adjusting rod 253 moves left and right, lateral adjustments bar 262 pass through lateral adjustments slot 261 and lock, and locking member 264 is worn
It crosses vertical adjustment slot 251 and locks.Lateral adjustments bar 262 and vertical adjustment bar 253 are bolt arrangement, when needing adjusting bracket pipe
Lateral position when, unscrew lateral adjustments bar 262, and remove locking member 264, unscrew vertical adjustment bar 253 when necessary, by perpendicular
Transversely regulating tank 261 is moved left and right to required position the lateral adjustments bar 262 being directly arranged, and then locks lateral adjustments bar 262
With locking member 264；When needing the lengthwise position of adjusting bracket pipe, locking member 264 is unscrewed, removes or unscrew lateral adjustments bar
262, vertical adjustment bar 253 is adjusted to required position, then screws locking member 264, lateral adjustments bar 262 and vertical adjustment bar
253。
In order to realize the connection between vertical adjustment seat 252 and lateral adjustments seat 263, vertical adjustment bar 253 is equipped with card
Slot nut 254, lateral adjustments seat 263 are equipped with nut card slot 265, and lateral adjustments seat 263 passes through nut card slot 265 and card slot
The clamping of 254 phase of nut.Card slot nut 254 is threadedly coupled with vertical adjustment bar 253, and card slot nut 254 can be with respect to vertical adjustment bar
253 spirally move up and down.As shown in attached drawing 11 and attached drawing 12, the card slot 717 in card slot nut 254 is square groove, corresponding
Ground, the nut card slot 265 on lateral adjustments seat 263 is square groove, therefore, when rotating vertical adjustment bar 253, due to transverse direction
Adjustment seat 263 will not and then rotate, therefore the meeting of card slot nut 254 253 spiral of adjusting rod or decline along longitudinal direction, to adjust
The height of lateral adjustments seat 263 and the stand tube connected thereon.In addition, in order to further enhance the intensity of vertical adjustment bar 253
And the upper end of vertical adjustment seat 252 is arranged in stability, vertical adjustment bar 253, vertical adjustment seat 252 includes content cavity 255, horizontal
It is located in content cavity 255 to adjustment seat 263, boss 256 is equipped in content cavity 255, locking nut 257 is equipped in boss 256, indulges
Boss 256 is pierced into adjusting rod 253 and is threadedly coupled with locking nut 257, when vertical adjustment bar 253 rotates, locking nut
257 rotate with vertical adjustment bar 253.
In addition, bracket inner tube 230 is equipped with adjusting knob 232, operated for carrying out some fine tunings to projector 100,
On cover after decorating structure 700, in order to facilitate the operation of adjusting knob 232, decorating front cover 720 includes window 725, and window 725 is located at
Outside cavity 711, adjusting knob 232 exposes in window 725, which can be through-hole structure, and user can be from window 725
Above or below adjusting knob 232 is operated.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (10)
1. a kind of top-type multi-media control system, including projector, projector bracket, speaker and central control system, feature exist
In: the central control system includes host computer module, multimedia audio-video control module, network control module and power management mould
Block；The host computer module, the multimedia audio-video control module, the network control module and the power management mould
Block concentrated setting, the top of teaching board is arranged in together with the projector bracket, and the speaker is connected with the central control system
It connects.
2. top-type multi-media control system as described in claim 1, it is characterised in that: the central control system includes control
Box, the control box are connect with the host computer module and the multimedia audio-video control module, the control box setting
On the side of the teaching board.
3. top-type multi-media control system as described in claim 1, it is characterised in that: the speaker is arranged in the teaching
With above plate, connect with the projector bracket, the speaker includes left voice box, right voice box and equipment box, the left voice box with
The right voice box is the cabinet for being built-in with loudspeaker, and the equipment box is the cabinet for being built-in with circuit board, the power management module
It is arranged in the equipment box, the length and width of the equipment box is adapted with the length and width of the circuit board, described
Equipment box is connected and fixed by assembling structure and electric connection structure with the left voice box and right voice box.
4. top-type multi-media control system as claimed in claim 3, it is characterised in that: the equipment box includes shell and face
Plate, the circuit board and the power management module are set in the shell, and the inner wall of the panel is equipped with detent item, institute
It states and has faceplate fastener on shell, position corresponding with the detent item is equipped with detent slot, institute in the faceplate fastener
It states detent item and the detent slot is clamped so that the panel is fixed on the housing.
5. the top-type multi-media control system as described in Claims 1-4 is any, it is characterised in that: the projector bracket
Including rack body, the rack body is equipped with equipment mounting bracket, and the equipment mounting bracket and the rack body are solid
Fixed connection；The rack body is equipped with decorating structure, and the decorating structure includes the cover, and the cover is located at the bracket
In main body, the cover includes cavity, and the rack body and the equipment mounting bracket are located in the cavity, the computer
One of host module, the multimedia audio-video control module and described network control module or a variety of settings are set described
In standby mounting bracket.
6. top-type multi-media control system as claimed in claim 5, it is characterised in that: the rack body further includes bracket
Pipe and rack fixing seat, are connected with vertical adjustment component and lateral adjustments group between the rack fixing seat and the stand tube
Part, the rack fixing seat include the activity space for accommodating the vertical adjustment component and lateral adjustments component；Longitudinal tune
Section component be flexibly connected with the lateral adjustments component, one of the vertical adjustment component and the lateral adjustments component with
The rack fixing seat connection；The stand tube and the fixed company of the vertical adjustment component and/or the lateral adjustments component
It connects, and is pierced by from the rack fixing seat, is connect with projector.
7. top-type multi-media control system as claimed in claim 6, it is characterised in that: the stand tube includes outside bracket
Pipe, the equipment mounting bracket are arranged on the bracket outer tube；The cover includes being covered on the rack fixing seat
Pedestal, the trim being covered on the bracket outer tube, the equipment mounting bracket are arranged in the trim and the bracket
Between outer tube, the trim includes arc top surface and opening, and the least significant end of the arc top surface is arranged in described be open.
8. top-type multi-media control system as claimed in claim 7, it is characterised in that: the stand tube includes and the branch
The bracket inner tube that frame outer tube is flexibly connected, the decorating structure includes the decoration front cover being fixedly connected with the bracket inner tube, institute
Stating decoration front cover follows the bracket inner tube mobile relative to the cover.
9. top-type multi-media control system as claimed in claim 8, it is characterised in that: the decoration front cover includes that side hides
Stopper and top mounting portion, the side occlusion part is located at the outside of the bracket outer tube, and passes through the top mounting portion
It is fixedly connected with the bracket inner tube, gap is equipped between the side occlusion part and the bracket inner tube, it is described for accommodating
Bracket outer tube；The two sides of the equipment mounting bracket are equipped with the groove being recessed inwardly, the groove and the side occlusion part phase
Adaptation.
10. top-type multi-media control system as claimed in claim 5, it is characterised in that: it further include network synchronization clock, institute
It states network synchronization clock to be arranged on the rack body or the decorating structure, the network synchronization clock includes clock circuit
And display screen, the display screen are connect with the clock circuit, the clock circuit includes network auto-calibration circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910310060.6A CN109961663A (en) | 2019-04-17 | 2019-04-17 | A kind of top-type multi-media control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910310060.6A CN109961663A (en) | 2019-04-17 | 2019-04-17 | A kind of top-type multi-media control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109961663A true CN109961663A (en) | 2019-07-02 |
Family
ID=67026296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910310060.6A Pending CN109961663A (en) | 2019-04-17 | 2019-04-17 | A kind of top-type multi-media control system |
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| Country | Link |
|---|---|
| CN (1) | CN109961663A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200205848Y1 (en) * | 2000-04-21 | 2000-12-01 | 임성근 | Multipurpose electronic type whiteboard |
| CN2791777Y (en) * | 2005-04-15 | 2006-06-28 | 张其海 | Control system of multi-media platform |
| CN202443602U (en) * | 2011-11-24 | 2012-09-19 | 武汉智脑通科技有限公司 | Combined type integrated multimedia electronic whiteboard |
| CN103984296A (en) * | 2014-04-02 | 2014-08-13 | 漳州市兴业电脑有限公司 | Multimedia integrated central control unit |
| CN206303424U (en) * | 2016-08-31 | 2017-07-07 | 武汉三好教育科技股份有限公司 | Integrated multimedia wisdom dais system |
| CN210348848U (en) * | 2019-04-17 | 2020-04-17 | 杭州迈杰教育科技有限公司 | Top-mounted multimedia control system |
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2019
- 2019-04-17 CN CN201910310060.6A patent/CN109961663A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200205848Y1 (en) * | 2000-04-21 | 2000-12-01 | 임성근 | Multipurpose electronic type whiteboard |
| CN2791777Y (en) * | 2005-04-15 | 2006-06-28 | 张其海 | Control system of multi-media platform |
| CN202443602U (en) * | 2011-11-24 | 2012-09-19 | 武汉智脑通科技有限公司 | Combined type integrated multimedia electronic whiteboard |
| CN103984296A (en) * | 2014-04-02 | 2014-08-13 | 漳州市兴业电脑有限公司 | Multimedia integrated central control unit |
| CN206303424U (en) * | 2016-08-31 | 2017-07-07 | 武汉三好教育科技股份有限公司 | Integrated multimedia wisdom dais system |
| CN210348848U (en) * | 2019-04-17 | 2020-04-17 | 杭州迈杰教育科技有限公司 | Top-mounted multimedia control system |
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