CN211719078U

CN211719078U - Drawing board for fine arts teaching

Info

Publication number: CN211719078U
Application number: CN202020153064.6U
Authority: CN
Inventors: 曾焕渺
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-05
Filing date: 2020-02-05
Publication date: 2020-10-20
Anticipated expiration: 2030-02-05

Abstract

The utility model discloses a drawing board for art teaching, including body, support and electrode unit, the body is fixed in the top of support through the fixation clamp of its upper and lower both sides, and the bottom edge of body is fixed with puts the thing board, the body includes face, liquid crystal layer and glass substrate, the welding of the left and right sides of liquid crystal layer has the electrode, and the parcel all around of liquid crystal layer has the banding, the banding sets up between liquid crystal layer and electrode, be provided with a plurality of electrode unit of size unanimity, being matrix arrangement on the liquid crystal layer, the bottom at the body is fixed to the glass substrate, the top of glass substrate is provided with beam splitter and diffuser plate, the both sides of diffuser plate are provided with thin film transistor, and the diffuser plate passes through thin film transistor and is connected with the conducting layer of its. The utility model discloses a teacher's operation of being convenient for uses, and can be more comprehensive when teaching, the multi-angle show the content on the drawing board to the student, make the student be convenient for more observe, study, improve teaching efficiency.

Description

Drawing board for fine arts teaching

Technical Field

The utility model relates to a teaching aid technical field, in particular to drawing board is used in fine arts teaching.

Background

In art teaching, need special drawing device to practice the demonstration, the drawing board is essential art supplies. Drawing board simple structure is used in fine arts teaching on the existing market, often just places the drawing board on the support, and traditional drawing board is only timber preparation, establishes the paper tiling above, not only portable not only, and receives the limitation of wooden drawing board area, at teacher teaching in-process, the student is not convenient for observe the study drawing process, and many people probably cause the teaching pattern that the guide rubbed when studying simultaneously not clear, drawing details observe the condition such as unclear.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a drawing board for fine arts teaching can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a drawing board is used in fine arts teaching, includes body, support and electrode unit, the body is fixed in the top of support through the fixation clamp of its upper and lower both sides, and the bottom edge of body is fixed with puts the thing board, the body includes face, liquid crystal layer and glass substrate, the welding of the left and right sides of liquid crystal layer has the electrode, and the parcel all around of liquid crystal layer has the banding, the banding sets up between liquid crystal layer and electrode, be provided with a plurality of electrode unit unanimous in size, be matrix arrangement on the liquid crystal layer, the bottom at the body is fixed to the glass substrate, the top of glass substrate is provided with beam splitter and diffuser plate, the both sides of diffuser plate are provided with thin film transistor, and the conductive layer that passes through thin film transistor.

Further, the support of body below is for dividing into three, and installs the telescopic joint on the support respectively, and the bottom of support installs anti-skidding base.

Furthermore, the liquid crystal layer is electrically connected with a driving electrode through a lead on the electrode, and the driving electrode is electrically connected with the signal transducer.

Furthermore, a conducting layer and a light splitting sheet are arranged below the electrode unit, and the conducting layer is electrically connected with the electrode unit.

Further, the surface of body is laid to the face, the liquid crystal layer sets up the bottom at the face.

Furthermore, the light splitting sheet is adhered and fixed on the diffusion plate, and free gap particles are arranged between the light splitting sheet and the diffusion plate.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a change the surface of drawing board into the liquid crystal touch-control, the picture conduction on the simultaneous signal transducer with the drawing board to the computer, on other equipment such as projecting apparatus, the teacher operation of not only being convenient for is used, and can be more comprehensive when the teaching, the content to on the student show drawing board of multi-angle, make the student be convenient for observe more, study, improve teaching efficiency, and the device is through piecemeal with inside liquid crystal layer, it all is autonomous working to set up electrode unit in each region, so the conducting layer just can independently detect the touch-control condition in each region, handle the back, realize the multiple spot touch-control, make the reaction of device more sensitive accurate, the picture on the drawing board is more accurate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the utility model.

Fig. 3 is a cross-sectional view of the body of the present invention.

In the figure: 1. a fixing clip; 2. a body; 3. plate surface; 4. a storage plate; 5. a support; 6. an expansion joint; 7. an anti-slip base; 8. an electrode; 9. sealing edges; 10. a wire; 11. an electrode unit; 12. a liquid crystal layer; 13. a drive electrode; 14. a signal transducer; 15. a light splitting sheet; 16. a diffusion plate; 17. a glass substrate; 18. a conductive layer; 19. and a thin film transistor.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a drawing board for art teaching comprises a main body 2, a support 5 and an electrode unit 11, wherein the main body 2 is fixed above the support 5 by fixing clips 1 at the upper and lower sides of the main body, and the bottom edge of the body 2 is fixed with an object placing plate 4, the body 2 comprises a plate surface 3, a liquid crystal layer 12 and a glass substrate 17, electrodes 8 are welded at the left side and the right side of the liquid crystal layer 12, and the periphery of the liquid crystal layer 12 is wrapped with a seal edge 9, the seal edge 9 is arranged between the liquid crystal layer 12 and the electrode 8, the liquid crystal layer 12 is provided with a plurality of electrode units 11 which are uniform in size and arranged in a matrix, the glass substrate 17 is fixed at the bottom of the body 2, the light splitting sheet 15 and the diffusion plate 16 are arranged above the glass substrate 17, the diffusion plate 16 is provided with thin film transistors 19 on both sides thereof, and the diffusion plate 16 is connected to the conductive layer 18 above the diffusion plate through the thin film transistors 19.

The support 5 below the body 2 is three, the support 5 is provided with an expansion joint 6, and the bottom of the support 5 is provided with an anti-skid base 7.

The liquid crystal layer 12 is electrically connected to a driving electrode 13 through a conducting wire 10 on the electrode 8, and the driving electrode 13 is electrically connected to a signal transducer 14.

A conductive layer 18 and a spectroscopic sheet 15 are disposed below the electrode unit 11, and the conductive layer 18 is electrically connected to the electrode unit 11.

The plate surface 3 is laid on the surface of the body 2, and the liquid crystal layer 12 is arranged at the bottom of the plate surface 3.

The light splitting sheet 15 is adhered and fixed on the diffusion plate 16, and free gap particles are arranged between the light splitting sheet 15 and the diffusion plate 16.

It should be noted that, the utility model relates to a drawing board is used in fine arts teaching, in operation, fix body 2 on support 5, the teacher demonstrates on face 3 through supporting stylus, conduct to projection arrangement on through signal transduction ware 14 in the body 2, picture and demonstration content on the drawing board of can projecting in real time, there are beam splitter 15 and diffuser plate 16 liquid crystal layer 12 below, can transmitted light, provide even light source, when touch panel face 3, contact point and conducting layer 18 form a coupling capacitance, form the undercurrent, undercurrent flows out four electrodes 8 of liquid crystal layer 12 respectively, conduct to on the signal transduction ware 14.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a drawing board is used in fine arts teaching, includes body (2), support (5) and electrode unit (11), its characterized in that: the body (2) is fixed above the bracket (5) through the fixing clips (1) at the upper side and the lower side of the body, and the bottom edge of the body (2) is fixed with an object placing plate (4), the body (2) comprises a plate surface (3), a liquid crystal layer (12) and a glass substrate (17), the left side and the right side of the liquid crystal layer (12) are welded with electrodes (8), and the periphery of the liquid crystal layer (12) is wrapped with a seal edge (9), the seal edge (9) is arranged between the liquid crystal layer (12) and the electrode (8), a plurality of electrode units (11) which have the same size and are arranged in a matrix are arranged on the liquid crystal layer (12), the glass substrate (17) is fixed at the bottom of the body (2), the light splitting sheet (15) and the diffusion plate (16) are arranged above the glass substrate (17), the thin film transistors (19) are arranged on two sides of the diffusion plate (16), and the diffusion plate (16) is connected with the conductive layer (18) above the diffusion plate through the thin film transistor (19).

2. The drawing board for art teaching of claim 1, wherein: the support (5) below the body (2) is three in a separated mode, the support (5) is provided with the expansion joint (6) respectively, and the bottom of the support (5) is provided with the anti-skidding base (7).

3. The drawing board for art teaching of claim 1, wherein: the liquid crystal layer (12) is electrically connected with the driving electrode (13) through a lead (10) on the electrode (8), and the driving electrode (13) is electrically connected with the signal transducer (14).

4. The drawing board for art teaching of claim 1, wherein: a conducting layer (18) and a light splitting sheet (15) are arranged below the electrode unit (11), and the conducting layer (18) is electrically connected with the electrode unit (11).

5. The drawing board for art teaching of claim 1, wherein: the surface of body (2) is laid in face (3), liquid crystal layer (12) set up the bottom in face (3).

6. The drawing board for art teaching of claim 1, wherein: the light splitting sheet (15) is adhered and fixed on the diffusion plate (16), and free gap particles are arranged between the light splitting sheet (15) and the diffusion plate (16).