CN208255613U - A kind of projection teaching's blank - Google Patents
A kind of projection teaching's blank Download PDFInfo
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- CN208255613U CN208255613U CN201820562131.2U CN201820562131U CN208255613U CN 208255613 U CN208255613 U CN 208255613U CN 201820562131 U CN201820562131 U CN 201820562131U CN 208255613 U CN208255613 U CN 208255613U
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Abstract
The utility model provides a kind of projection teaching's blank, including at least two writing whiteboards, projection integration machine, installation frame；The installation frame is equipped with track, and the track is horizontally disposed；The projection integration machine is arranged in the installation frame；The back side of the writing whiteboard is equipped with the moving portion being used cooperatively with the track, and the writing whiteboard moves on the installation frame along the extending direction of the track；The projection integration machine includes: projector panel, touch device, controller.The utility model is used cooperatively by the way that moving portion is arranged at writing whiteboard back with the track on installation frame, avoids and occurs card slot during writing whiteboard push-and-pull because of chalk dust or carrying abrasion, and then influences the problem of teaching uses.
Description
Technical field
The utility model relates to Teaching Equipment technical field, espespecially a kind of projection teaching's blank.
Background technique
Current push-and-pull projection teaching blank uses card slot type track, and writing whiteboard is mounted on the track box of provided with wheels
It in frame, can be carried out pushing and pulling in this way, but can not only accumulate chalk dust in track-frame, there are also chalk ends broken when writing
Also it can fall into track, to the phenomenon that card slot occur.And wheel noise in moving process can compare sound, and wheel can also be ground
Aging is damaged, card slot phenomenon is further aggravated.There are also a kind of tracks of bearing-type up and down, since weight bearing is in lower section, with pushing away
Draw use process, it may appear that abrasion leads to track card slot, it is difficult to push and influence teaching.Meanwhile existing enamel blank or bee
Nest plate has shortcomings in that, first is that chalk can not be write on surface, can slide pen, and mark water-color paintbrush is needed after writing with professional liquid medicine
It could wipe, if wiping can not be permeated above at once, writing surface can change colour after a period of time, and surface blur becomes flower；Second is that
Wear resistance is inadequate, and the time, which has been grown, to wear, and reduces service life, while the picture for being incident upon enamel surfaces also can be smudgy；
Third is that will form hot spot when surface projection's picture, it is easy to influence viewing effect, left and right angle is smaller, and does not have picture gain
Effect；Fourth is that surface not instead of plate, has infrared frame or optical frame to be mounted on whiteboard surface, surface frame has protrusion；Five
It is that the frame content of infrared touch-control or optical touch easily accumulates the dust such as chalk dust, can becomes ineffective using a period of time touch-control
It is quick.
For above situation, this application provides a kind of technical solutions for solving the above technical problem.
Summary of the invention
The purpose of the utility model is to provide a kind of projection teaching's blanks, by the way that moving portion is arranged at writing whiteboard back,
And be used cooperatively with the track on installation frame, avoid because chalk dust or carrying abrasion due to writing whiteboard push and pull process
In there is card slot, and then influence the problem of teaching uses.
The technical scheme that the utility model is provided is as follows:
A kind of projection teaching's blank, comprising: at least two writing whiteboards, projection integration machine, installation frame；The installing frame
Frame is equipped with track, and the track is horizontally disposed；The projection integration machine is arranged in the installation frame；The writing whiteboard
The back side be equipped with the moving portion that is used cooperatively with the track, the writing whiteboard is along the extending direction of the track described
It is moved on installation frame；The projection integration machine includes: projector panel, touch device, controller；The plane of the projector panel
Form the projection surface of the projection integration machine；The projection panel surface and the back side have the second microparticle degree；The projection
The back of panel is provided with reflective imaging film；The back of the reflective imaging film is provided with microprism film；The touch device is set
It is placed in the back of the microprism film, is connect with the controller, for receiving the touch information inputted on the projector panel,
And the touch information is sent to the controller；The controller is used to control the data transmission of the projection integration machine.
Preferably, the track is sliding rail, and the moving portion is sliding block.
Preferably, the writing whiteboard includes: writing panel；The plane of the writing panel forms the writing whiteboard
Writing surface；The writing panel is transparent material composition；The writing panel surface has the first microparticle degree；The book
The back for writing panel is provided with light-proof material；The back of the light-proof material is provided with rupture pressure disc.
Preferably, the first microparticle degree is 0.2~20um, is carried out by writing implement on the writing panel surface
It writes.
Preferably, the writing whiteboard further include: blank frame；The writing panel is arranged on the blank frame,
And the blank frame is projected in the writing panel face where the writing panel.
Preferably, the projection integration machine further include: projection integration machine frame；The projector panel is arranged in the projection
On integrated machine frame, and the projection integration machine frame is projected in the projector panel in face where the projector panel
It is interior；The touch device, the controller are all set in the projection integration machine frame, and are set to the projector panel
Back.
Preferably, the projection integration machine further include: high photographing instrument；The high photographing instrument is movably arranged at the projection one
On body machine frame.
Preferably, the first microparticle degree makes to be formed by machining.
Preferably, the second microparticle degree makes to be formed by machining.
Preferably, the controller is connect with projector, and the controller transmission data information is described to the projector
The received data information is projected on the projector panel by projector；And/or；The projection integration machine and intelligent terminal
Connection, the projection integration machine carry out data transmission with the intelligent terminal；And/or；The projection integration machine and server connect
It connects, the projection integration machine carries out data transmission with the server.
By projection teaching's blank provided by the utility model, can bring it is following at least one the utility model has the advantages that
1, sliding block in the present invention, is arranged by writing whiteboard back in projection teaching's blank, and with peace
The sliding rail to frame up on frame is used cooperatively, so that the push-and-pull move of blank will not block because of accumulation chalk dust or carrying abrasion
Slot, and then influence teaching and use.Sliding block is mute sliding block simultaneously, can generate noise to avoid during push-and-pull move, is improved
Quality of instruction.
2, in the present invention, writing panel material is glass, and glass surface wearability is good, is not easy to grind after Palingraphia
Damage surface, it is non-aging permanently water-color paintbrush, chalk use effectively to be write, it is easy after writing to wipe, do not need using
The liquid medicine of profession need to only use common blackboard eraser to wipe, more convenient when having saved cost, and having used.
3, in the present invention, the microparticle degree on the surface of writing panel and projector panel makes shape by machining
At.This technique, which makes the surface particles degree to be formed, to wear with writing, and does not pollute the environment, and when processing
Between it is fast, it is at low cost.
4, microprism film in the present invention, is set at the back of projector panel, plays the work of light reflex reflection gain
With so that the picture brightness of projection increases, effect is more preferable.And due to the effect of microprism, incident ray and converse is increased
The angle for penetrating light, considerably increases visible angle, allows range of the user at one big visual angle for being made in front-seat both sides
The font and picture on projection writing panel are inside clearly watched, user's study and ornamental comfort are improved.
5, the touch control operation of the projection integration machine in projection teaching's blank in the present invention, is realized using touch control film,
It is different from traditional optical touch or infrared touch-control, without the touch-control frame of face plate edge protrusion, thus will not be because of chalk
Ash falls in frame and influences touch experience and touch-control sensitivity, and solves the problems, such as touch-control point drift.
6, in the present invention, the projection integration machine in projection teaching's blank is also integrated with microcomputer, high photographing instrument, sound
The hardware devices such as case, camera can make it have the function for some column such as surf the web, read, interacting, become one
Multifunctional flat interactive teaching projection integration machine.
7, in the present invention, the projection integration machine in projection teaching's blank can connect intelligent terminal, realize multi-user
Online shared teaching is synchronized, while flat projection all-in-one machine of imparting knowledge to students can also connect cloud server, and the content of courses is existed
Cloud is saved, and is downloaded and is consulted when user being facilitated to need.
Detailed description of the invention
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, to a kind of projection teaching's blank
Above-mentioned characteristic, technical characteristic, advantage and its implementation are further described.
Fig. 1 is the structural schematic diagram of one embodiment of projection teaching's blank of the utility model；
Fig. 2 is the structural schematic diagram of one embodiment of projection teaching's blank of the utility model；
Fig. 3 is the structural schematic diagram of one embodiment of projection teaching's blank of the utility model.
Drawing reference numeral explanation:
100- writing whiteboard；200- projection integration machine；300- installation frame；
110- writing panel；120- light-proof material；130- rupture pressure disc；140- blank frame；
210- projector panel；The reflective imaging film of 211-；212- microprism film；220- touch device；240- controller；250-
Projection integration machine frame；260- high photographing instrument；
310- track；320- moving portion.
Specific embodiment
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, attached drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that the accompanying drawings in the following description is only the one of the utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings, and obtains other embodiments.
To make simplified form, part relevant to the utility model is only schematically shown in each figure, they are not
Represent its practical structures as product.In addition, there is identical structure or function in some figures so that simplified form is easy to understand
The component of energy, only symbolically depicts one of those, or only marked one of those.Herein, "one" is not only
It indicates " only this ", can also indicate the situation of " more than one ".
The utility model provides a kind of one embodiment of projection teaching's blank, referring to Fig. 1 and Fig. 3, comprising: at least two
A writing whiteboard 100, projection integration machine 200, installation frame 300；The installation frame is equipped with track 310, the track water
Flat setting；The projection integration machine 200 is arranged in the installation frame 300；The back side of the writing whiteboard be equipped with it is described
The moving portion 320 that track is used cooperatively, the writing whiteboard 100 is along the extending direction of the track 310 in the installing frame
It is moved on frame 300；The projection integration machine 200 includes: projector panel 210, touch device 220, controller 240；The projection
The plane of panel 210 forms the projection surface of the projection integration machine；210 surface of projector panel and the back side are micro- with second
Granularity；The back of the projector panel 210 is provided with reflective imaging film 211；The back of the reflective imaging film 211 is provided with
Microprism film 212；The touch device 220 is set to the back of the microprism film 212, connect with the controller 240, uses
In the touch information inputted on the reception projector panel 210, and the touch information is sent to the controller 240；Institute
It states controller 240 and is transmitted for controlling the data of the projection integration machine 200.
Specifically, in the present embodiment, the back of installation frame can be by wall-mounted fixed installation on the wall, installing frame
The front of frame is fixedly installed horizontal rail, can be each horizontal rail up and down.The back fixation of writing whiteboard is provided with
Moving portion, moving portion can be multiple interval settings arranged side by side, when the track on installation frame is each one up and down, moving portion
It is set as each multiple interval settings arranged side by side up and down.By being used cooperatively for moving portion and horizontal rail, writing whiteboard is installed on
On installation frame, and writing whiteboard can move left and right on installation frame along horizontal rail, such as moving portion is arranged
Or it is embedded in horizontal rail.In other embodiments, can also the back fixation of writing whiteboard install horizontal rail, and
Moving portion is fixedly installed on installation frame, again may be by being used cooperatively for moving portion and horizontal rail, writing whiteboard is pacified
Loaded on installation frame, and writing whiteboard can be moved left and right along horizontal rail.Installation frame can be by bar (such as gold
Belong to bar) Open architecture of hollow type that is spliced, or the box-type that is made of plate (such as metal plate) is closed
Structure or semi-enclosed structure.When for semi-enclosed structure, there is an opening, writing whiteboard can be set in opening.It throws
Shadow all-in-one machine can by it is wall-mounted fixed installation on the wall, and be located at writing whiteboard behind and installation frame it is interior
Portion.Writing whiteboard can be for two or multiple, and combine one plane of composition.When multiple writing whiteboards simultaneously
Column, to (one be located next to one) arrangement is set when, installation frame and projection integration machine are hidden in the behind of writing whiteboard, from just
Face can not see projection integration machine and installation frame, can only see multiple writing whiteboards and be set side by side, a kind of massive plate is presented
State.After multiple writing whiteboards are moved to the left and right sides by two groups respectively, it is located at the subsequent projection integration machine of writing whiteboard
It reveals, user can carry out touch-control interactive operation on projection integration machine.
Projector panel is a plane, no concave-convex.Projector panel is the panel of light-permeable material, such as glass, organic glass
Glass, resin material, acrylic board etc..When projector panel is glass material, also handled by tempering, to be sputtered after break-resistance
To hurt sb.'s feelings.The surface and the back side of projector panel make certain microparticle degree, and the microparticle degree at projection panel surface and the back side is
Second microparticle degree has the function of facing anti-dazzle and eyeshield.
The back of light-permeable panel adheres to one layer using reflective imaging film made of catoptric imaging technology and material, makes it
Reach the principle of projected picture catoptric imaging.Reflective imaging film can be a kind of impermeable finishes such as organic compound (such as resin)
Film made of expecting, color can be white.In other embodiments, the color of reflective imaging film may be silver gray etc. its
His color is replaced according to the color that the environment used carries out adaptability.
The back of reflective imaging film is also installed by solidification microprism film.Microprism film is a kind of organic material film, such as resin
Film, and a kind of regular shape is formed it into using technologies such as hot pressing, and by the microprism of certain array manner arrangement.Microprism film
It is constantly to reflect to reach collection light action by prism, is emitted the light for meeting certain angle, has both controlled going out for light
Firing angle degree, and increase the brightness of light.And the white reflection film folding that the light for not meeting angle is arranged through microprism film back
Return is penetrated to be utilized again.So that the microprism film has the function of increasing visual angle and luminance gain.
Touch device includes the touch-control conductive metal wire and touch-control circuit plate that microprism film back is arranged in, and touch-control is conductive
The intersection touch-control sensing point of metal wire formation X-axis and Y-axis.Touch-control conductive metal wire whipping accesses touch-control circuit plate, touch-control circuit
Plate is connect by standard USB cable with controller, and picture is projected on projector panel by controller by projector, view field
It is calibrated by projector position and camera lens adjustment, the touch area at projector panel back is completely covered, so that projector panel becomes
One touch panel, user can carry out touch control operation in projection panel surface, including finger or electronic pen is used to carry out touch-control behaviour
Make, touch information is transferred to controller and is handled, and realizes and carries out interactive operation with project content.
Controller can be microcomputer, be integrally connected each hardware device in machine, set for each hardware with connection
It is standby to carry out data transmission and information exchange.
In another preferred embodiment of the present embodiment, the horizontal rail being fixedly installed on installation frame is cunning
Rail, the moving portion of writing whiteboard back fixation setting are sliding block, and by being used cooperatively for sliding rail and sliding block, writing whiteboard is mountable
In on installation frame, and writing whiteboard can horizontally slip on installation frame along sliding rail.Sliding block can be mute sliding block,
It avoids generating noise during the push-and-pull move of writing whiteboard, to improve the quality of teaching.In other embodiments, track with
Moving portion is also possible to the combination of card slot track and pulley.
On the basis of above embodiments, the utility model also provides one embodiment, referring to Fig. 2, the writing whiteboard
100 include: writing panel 110；The plane of the writing panel 110 forms the writing surface of the writing whiteboard 100；The book
Panel 110 is write as transparent material composition；110 surface of writing panel has microparticle degree；The back of the writing panel
It is provided with light-proof material 120；The back of the light-proof material 120 is provided with rupture pressure disc 130.
In another preferred embodiment of the present embodiment, the first microparticle degree is 0.2~20um, passes through book
Tool is write to be write on the writing panel surface.
In another preferred embodiment of the present embodiment, the writing whiteboard 100 further include: blank frame 140；
The writing panel 110 is arranged on the blank frame 140, and the blank frame 140 is in 110 institute of writing panel
In being projected in the writing panel 110 for face.
Specifically, writing panel is a plane, no concave-convex.Writing panel be light-permeable material panel, such as glass,
Organic glass, resin material, acrylic board etc..When writing panel is glass material, also handled by tempering, after break-resistance
It sputters out and hurts sb.'s feelings.Writing panel surface makes certain microparticle degree, microparticle degree be present under the microscope it is irregular
Concave-convex micron particles, the microparticle degree i.e. first microparticle degree on writing panel surface is 0.2~20um in the present embodiment, with side
Just chalk, water-color paintbrush can effectively be write on writing panel surface, and since the new hardness of the spy of glass material makes powder
The phenomenon that pen is permanently not in sliding pen when writing.There is the panel of microparticle degree can be described as anti-dazzle matt or nothing again on surface
Reflector Panel, surface are uniform diffusing reflection, not will form hot spot, increase left and right visual angle, play anti-dazzle light action.It writes
One layer of light-proof material, such as resin film, baking vanish etc. are adhered in the back of panel, and color can be modulated as needed, such as be made
It is made green, black, white etc..The back of light-proof material is also sticked a kind of rupture pressure disc, to prevent from splashing after writing panel is broken
Shoot people wounded.Blank frame can be metal material for fixing writing panel.The plane composition writing whiteboard of writing panel is just
Metal framework is made by the size of writing panel in face, and metal framework is fixed about at the back side of writing panel, so that writing surface
Plate designs in terms of front in Rimless, and writing panel surface is without protrusion from the side.
On the basis of above embodiments, the utility model also provides one embodiment, with continued reference to Fig. 3, the projection
All-in-one machine 200 further include: projection integration machine frame 250；The projector panel 210 is arranged in the projection integration machine frame 250
On, and the projection integration machine frame 250 being projected in the projector panel 210 in the 210 place face of projector panel；
The touch device 220, the controller 240 are all set in the projection integration machine frame 250, and are set to the throwing
210 back of shadow panel.
In another preferred embodiment of the present embodiment, the projection integration machine 200 further include: high photographing instrument 260；
The high photographing instrument 260 is movably arranged on the projection integration machine frame 250.
Specifically, projection integration machine frame is for fixing projector panel, it can be metal material.The set of planes of projector panel
At the front of projection integration machine, metal framework is made by the size of projector panel, metal framework is fixed about in writing panel
The back side, controller is fixed in metal framework, and is located at the rear of projector panel, so that projector panel is in terms of front in nothing
Frame design, projection panel surface is without protrusion from the side.In other embodiments, the back of projection integration machine frame can be with
It is set as the mode of uncapping.
Projection integration machine is also integrated with high photographing instrument, is embedded within the side or top of projection integration machine metal framework, and
Positioned at the rear of projector panel.It is hidden in the inside of metal framework when not in use, when in use by the way of push-and-pull or flip lid
Put down use.In other embodiments, in the metal framework of projection integration machine or on metal framework can also integrated audio,
Other multimedia equipments such as camera.
On the basis of above embodiments, the utility model also provides one embodiment, the first microparticle degree, that is, writing surface
110 surface microparticle degree of plate and 210 surface microparticle degree of the second microparticle degree, that is, projector panel (pass through machine by machining
The smart steel mill of device polishes the smooth surface of transparent material, its surface layer is made to become micron-sized concave-convex particle)
Production is formed.This technique, which makes the surface particles degree to be formed, to wear with writing, and does not pollute the environment, and
Process time is fast, at low cost.In other embodiments, microparticle degree in surface (can also use high-concentration acidic wastewater by chemolysis
Liquid and water are sprayed at transparent material surface, destroy the flatness on its surface according to certain proportion, form it into a kind of unrestrained
The roughness of reflection) or pyrolytic coating (spraying particulate powder at high temperature, is changed into its surface on transparent material surface
It is smooth, form it into a kind of irreflexive roughness) formed.
On the basis of above embodiments, the utility model also provides one embodiment, controller 240 by VGA or
HDMI display output connection projector, will need the data information transfers such as image frame to be shown to projector, projector again will
It, which is incident upon on projector panel 210, carries out Projection Display.Projection integration machine 200 can pass through the modes such as wired, wireless or bluetooth
The intelligent terminals such as mobile phone, tablet computer, laptop are connected, the content that projection plays is synchronized immediately and shares to intelligent terminal
User is, it can be achieved that human-computer interaction.Projection integration machine 200 can connect cloud server by the modes such as wireless, by projection teaching
Content save to cloud, and be downloaded and consult when needed.
Projection integration machine in the utility model is additionally provided with the third party device interface being connected with controller.Third party
Interface can be computer equipment interface, such as laptop etc. carries out data transmission and information exchange with controller；It can also
Think storage device interface, such as USB flash disk, hard disk etc., information data is saved；It may be printing device interface, such as
Printer etc., information data is printed；It may be display device interfaces, such as display terminal etc., by information data exhibition
It shows and.
The utility model is made by the way that moving portion is arranged at writing whiteboard back with the track cooperation on installation frame
With avoiding and card slot occur during writing whiteboard push-and-pull due to chalk dust or carrying abrasion, and then influence teaching and use
The problem of.
Projection teaching's blank in the utility model is not limited to apply in teaching field, also can be applicable to such as working conference
Etc. all kinds of fields for needing to realize multimedia interaction.
It should be noted that above-described embodiment can be freely combined as needed.The above is only the utility model
Preferred embodiment, it is noted that for those skilled in the art, do not departing from the utility model principle
Under the premise of, several improvements and modifications can also be made, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of projection teaching's blank characterized by comprising
At least two writing whiteboards, projection integration machine, installation frame；
The installation frame is equipped with track, and the track is horizontally disposed；
The projection integration machine is arranged in the installation frame；
The back side of the writing whiteboard is equipped with the moving portion being used cooperatively with the track, and the writing whiteboard is along the track
Extending direction moved on the installation frame；
The projection integration machine includes: projector panel, touch device, controller；
The plane of the projector panel forms the projection surface of the projection integration machine；
The projection panel surface and the back side have the second microparticle degree；
The back of the projector panel is provided with reflective imaging film；
The back of the reflective imaging film is provided with microprism film；
The touch device is set to the back of the microprism film, connect with the controller, for receiving the perspective plane
The touch information inputted on plate, and the touch information is sent to the controller；
The controller is used to control the data transmission of the projection integration machine.
2. projection teaching's blank according to claim 1, it is characterised in that:
The track is sliding rail, and the moving portion is sliding block.
3. projection teaching's blank according to claim 1, which is characterized in that the writing whiteboard includes: writing panel；
The plane of the writing panel forms the writing surface of the writing whiteboard；
The writing panel is transparent material composition；
The writing panel surface has the first microparticle degree；
The back of the writing panel is provided with light-proof material；
The back of the light-proof material is provided with rupture pressure disc.
4. projection teaching's blank according to claim 3, it is characterised in that:
The first microparticle degree is 0.2~20um, is write by writing implement on the writing panel surface.
5. projection teaching's blank according to claim 3, which is characterized in that the writing whiteboard further include: blank frame；
The writing panel is arranged on the blank frame, and the blank frame is in the throwing in face where the writing panel
Shadow is in the writing panel.
6. projection teaching's blank according to claim 1, which is characterized in that the projection integration machine further include: projection one
Body machine frame；
The projector panel is arranged on the projection integration machine frame, and the projection integration machine frame is on the perspective plane
Face is projected in the projector panel where plate；
The touch device, the controller are all set in the projection integration machine frame, and are set to the perspective plane
Backboard portion.
7. projection teaching's blank according to claim 6, which is characterized in that the projection integration machine further include: high photographing instrument；
The high photographing instrument is movably arranged on the projection integration machine frame.
8. according to the described in any item projection teaching's blanks of claim 3-5, it is characterised in that:
The first microparticle degree makes to be formed by machining.
9. projection teaching's blank according to claim 1-7, it is characterised in that:
The second microparticle degree makes to be formed by machining.
10. projection teaching's blank according to claim 1-7, it is characterised in that:
The controller is connect with projector, and the controller sends data information to the projector, and the projector will connect
The data information received is projected on the projector panel；
The projection integration machine is connect with intelligent terminal, and the projection integration machine carries out data transmission with the intelligent terminal；
And/or；The projection integration machine is connect with server, and the projection integration machine carries out data transmission with the server.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820562131.2U CN208255613U (en) | 2018-04-19 | 2018-04-19 | A kind of projection teaching's blank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820562131.2U CN208255613U (en) | 2018-04-19 | 2018-04-19 | A kind of projection teaching's blank |
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| CN208255613U true CN208255613U (en) | 2018-12-18 |
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| CN201820562131.2U Active CN208255613U (en) | 2018-04-19 | 2018-04-19 | A kind of projection teaching's blank |
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| CN (1) | CN208255613U (en) |
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