CN216956657U

CN216956657U - Touch control capacitance projection screen

Info

Publication number: CN216956657U
Application number: CN202122767698.8U
Authority: CN
Inventors: 王献峰
Original assignee: Jiangsu Minrou Photoelectric Technology Co ltd
Current assignee: Jiangsu Minrou Photoelectric Technology Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-07-12
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses a touch control capacitance projection screen which comprises a touch control film, wherein a support plate is arranged on the surface of one side of the touch control film, a projection screen is arranged on the surface of the other side of the touch control film, a flexible connecting wire is arranged at the bottom of the touch control film, a groove is formed in one end, close to the flexible connecting wire, of the support plate, a touch control panel is arranged in the groove and connected with the flexible connecting wire, a power supply module is arranged at one end of the bottom of the touch control panel, and a signal transmission module is arranged at the other end of the bottom of the touch control panel. The utility model has the beneficial effects that: the utility model has reasonable design, simple and stable structure and strong practicability; the surface of the curtain can be smoother, the curtain can be prevented from shaking, coiling or deforming, the projection effect is further improved, meanwhile, the writing touch is facilitated, and the use comfort level is improved; is beneficial to protecting the eyesight of the watching user and is suitable for popularization and use.

Description

Touch control capacitance projection screen

Technical Field

The utility model relates to the technical field of touch screens, in particular to a touch capacitive projection screen.

Background

With the continuous development of display technology, the application range of large-size display products is wider and wider. Common large-sized liquid crystal displays are costly and carry blue light. Therefore, the market share of projection displays has been increasing year by year as an alternative large-size display product. At present, a touch screen projection display system which is concerned by much is developed rapidly and is widely applied to the fields of multimedia teaching, transportation, news media, government meetings, cartoon games, finance and the like.

The main stream of projection display carrier on the existing market is the soft curtain cloth that is mostly the type of can rolling up, but because soft curtain cloth surface is not level and smooth enough, can't use ultrashort burnt projector, and in-service use, because the curtain adopts the spring fixed all around, the curtain produces easily and rocks, the curtain rocks and can cause the deformation to the image of ultrashort burnt projector, thereby influence whole display effect, in addition, soft curtain cloth does not have the function of touch-control mostly, need external input device, the operation is inconvenient, it improves to remain further development.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a touch control capacitance projection screen, aiming at solving the problems that the main stream of the existing projection display carrier is a flexible screen cloth which can be rolled, the surface is not smooth enough, the periphery of the existing projection display carrier is fixed by springs, the screen cloth is easy to shake, the whole display effect is influenced, most of the existing projection display carriers do not have the touch control function, an external input device is required, and the operation and the use are inconvenient.

The utility model realizes the purpose through the following technical scheme: the utility model provides a touch-control electric capacity projection screen, includes the touch-control membrane, touch-control membrane one side surface is provided with the backup pad, and the opposite side surface is provided with the projection curtain, the touch-control membrane bottom is provided with flexible connecting wire, the backup pad is close to flexible connecting wire one end has the recess, be provided with touch panel in the recess, touch panel with flexible connecting wire is connected, touch panel bottom one end is provided with power module, the other end of touch panel bottom is provided with signal transmission module.

Furthermore, the backup pad is any one in KT board, organic glass, plank or the plastic board.

Further, the projection curtain is preferably a bead curtain.

Furthermore, the touch control film, the supporting plate and the side edges around the projection curtain are provided with edge covering protection frames.

Furthermore, a fixed mounting frame is arranged on the surface of one side, away from the touch membrane, of the supporting plate.

Furthermore, the power module is a direct current wireless power supply module.

Further, the signal transmission module is any one of a GSM module or a bluetooth module.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has reasonable design, simple and stable structure and strong practicability; the surface of the curtain can be more smooth, and the curtain is suitable for an ultra-short-focus projector, so that projected pictures are clear and uniform, and the projection effect is improved; the screen can be prevented from shaking, reeling or deforming, the projection effect is further improved, meanwhile, the screen is convenient to write and touch, and the use comfort level is improved; need not extra circuit external such as mouse, keyboard lamp signal input equipment, the operation is more convenient, in addition, for traditional jumbo size LCD, reduce cost by a wide margin still is favorable to protecting the eyesight of watching the user, is fit for using widely.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is an enlarged view of a portion B in fig. 2.

In the figure: the device comprises a touch control film 1, a support plate 2, a projection screen 3, a flexible connecting line 4, a groove 5, a touch control panel 6, a power supply module 7 and a signal transmission module 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

With reference to fig. 1 to 4, a touch capacitive projection screen includes a touch film 1, a support plate 2 is disposed on one side surface of the touch film 1, a projection screen 3 is disposed on the other side surface of the touch film, a flexible connecting line 4 is disposed at the bottom of the touch film 1, a groove 5 is disposed at one end of the support plate 2 close to the flexible connecting line 4, a touch control panel 6 is disposed in the groove 5, the touch control panel 6 is connected to the flexible connecting line 4, a power module 7 is disposed at one end of the bottom of the touch control panel 6, and a signal transmission module 8 is disposed at the other end of the bottom of the touch control panel 6.

The supporting plate 2 is any one of a KT plate, organic glass, a wood plate or a plastic plate, and the KT plate is preferably selected, so that the foaming and deformation can be avoided; the projection curtain is preferably a glass bead curtain, has high gain and small visual angle, the glass bead curtain has light regression, namely the reflected light returns along the direction of the incident light, has high resolution, good color reducibility, clear daytime imaging and bright focus and vitality of pictures, and has the characteristics of moisture resistance, mildew resistance, flame retardance, no peculiar smell and the like; the edge-covered protection frames are arranged on the peripheral side edges of the touch film 1, the support plate 2 and the projection screen 3, so that the periphery of the touch film, the support plate and the projection screen is protected, and the service life of the projection screen is prolonged; the surface of one side of the supporting plate 2, which is far away from the touch control film 1, is provided with a fixed mounting frame, so that the installation and the fixation are convenient; the power module 7 is a direct current wireless power supply module, the signal transmission module 8 is any one of a GSM module or a Bluetooth module, and can be selected by self according to actual use requirements.

Specifically, one end of the flexible connecting line 4 is connected with a control circuit inside the touch control film 1, the other end of the flexible connecting line is connected with the touch control panel 6, the control circuit is further connected with a plurality of sensors, after the touch control film 1 is touched, signals are transmitted to the touch control panel 6 through the control circuit and the flexible connecting line 4 after being sensed by the sensors inside the touch control film 1, the touch control panel 6 supplies power through the power module 7, and then the signals are transmitted to upper driving software through the signal transmission module, so that the touch control function is realized; in addition, the touch film 1, the support plate 2 and the projection curtain 3 are connected with each other in an adhesive manner.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. A touch-control capacitance projection screen, includes touch-control membrane (1), its characterized in that: touch-control membrane (1) one side surface is provided with backup pad (2), and the opposite side surface is provided with projection curtain (3), touch-control membrane (1) bottom is provided with flexonics line (4), backup pad (2) are close to flexonics line (4) one end has recess (5), be provided with touch panel (6) in recess (5), touch panel (6) with flexonics line (4) are connected, touch panel (6) bottom one end is provided with power module (7), touch panel (6) bottom other end is provided with signal transmission module (8).

2. The touch control capacitance projection screen of claim 1, wherein the support plate (2) is any one of KT plate, organic glass, wood plate or plastic plate.

3. The touch capacitive projection screen of claim 1, wherein the projection screen is preferably a bead screen.

4. The touch-control capacitive projection screen of claim 1, wherein the touch-control film (1), the support plate (2) and the projection screen (3) are provided with edge-covered protective frames at their peripheral sides.

5. The projection screen of claim 1, wherein a surface of the support plate (2) facing away from the touch screen (1) is provided with a mounting bracket.

6. The touch-sensitive capacitive projection screen of claim 1, wherein the power module (7) is a DC wireless power module.

7. The touch-control capacitive projection screen of claim 1, wherein the signal transmission module (8) is any one of a GSM module or a Bluetooth module.