CN210041788U

CN210041788U - Capacitor key of intelligent blackboard

Info

Publication number: CN210041788U
Application number: CN201920761273.6U
Authority: CN
Inventors: 陈跃
Original assignee: Nanjing Daguan Education Technology Co Ltd
Current assignee: Nanjing Daguan Education Technology Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-02-07
Anticipated expiration: 2029-05-24

Abstract

The application discloses electric capacity button of wisdom blackboard. This electric capacity button includes: the front surface of the main control circuit board is attached to the back surface of the diffusion plate, and the back surface of the panel is attached to the front surface of the diffusion plate; the main control circuit board is provided with a capacitance induction electrode, a touch control chip, a control single chip and a power supply and control signal interface which are electrically connected through a connecting wire. Adopt the utility model discloses, can realize dustproof, waterproof and not have the control button of mechanical structure's wisdom blackboard.

Description

Capacitor key of intelligent blackboard

Technical Field

The application relates to a wisdom blackboard control technical field particularly, relates to a capacitance button of wisdom blackboard.

Background

At present, the control buttons of the intelligent blackboard used in the education industry are all realized by adopting a mode of a microswitch and a key, and the control buttons are generally called as physical buttons. A certain pressure is applied during operation to make the switch work to realize the required function.

Present physics button needs trompil on the frame of blackboard or panel for the button is higher than the screen, and such realization brings multiple drawback, and the wholeness of blackboard has been destroyed to the trompil, makes to advance easily and gets into the dust, probably leads to water infiltration when the blackboard washs simultaneously, has increased the possibility of button inefficacy. The devices used in schools cannot avoid the messy pressing of students, the force is not controlled, and the service life of physical keys is shortened and unreliable under the use condition.

SUMMERY OF THE UTILITY MODEL

The main aim at of this application provides a capacitance button of wisdom blackboard can need not mechanical structure and realize the control button of dustproof, waterproof wisdom blackboard.

In order to achieve the above object, according to one aspect of the present application, there is provided a capacitive button of a smart blackboard.

According to the utility model provides a capacitance button of wisdom blackboard includes: the front surface of the main control circuit board is attached to the back surface of the diffusion plate, and the back surface of the panel is attached to the front surface of the diffusion plate; the master control circuit board is provided with a capacitance induction electrode, a touch control chip, a control singlechip and a power supply and control signal interface which are electrically connected through a connecting wire.

Furthermore, a light-emitting LED is arranged in the center of the capacitance induction electrode.

Furthermore, the main control circuit board is provided with a fixing hole, and the fixing hole is used for fixing the main control circuit board on the mounting structure.

Furthermore, the back of the panel is provided with silk screen which is a hollow character.

Furthermore, a remote control receiving sensor is integrated on the main control circuit board.

Furthermore, a power supply is integrated on the main control circuit board.

Furthermore, a model indicator lamp is integrated on the main control circuit board.

Further, the capacitor key further includes: the cover plate is provided with a rectangular hole with the same size as the panel; the rectangular aperture is adapted to receive the panel.

Further, the cover plate is a section bar.

In this application embodiment, closely laminate main control circuit board, diffuser plate, panel through the encryption structure of laminating entirely, realized need not mechanical structure's control button, avoided dust, water etc. to cause the damage to the touch-control board, increased touch-control button's life, through combining control button and wisdom blackboard together, increased the whole pleasing to the eye effect of blackboard.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

fig. 1 is a schematic structural diagram of a capacitive button of an intelligent blackboard according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a main control circuit board according to an embodiment of the present application.

Reference numerals

1. A main control circuit board; 2. a diffusion plate; 3. a panel; 4. and (7) a cover plate.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application and the above-described drawings, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 and fig. 2, the present application relates to a main control circuit board 1, a diffusion plate 2, a panel 3, and a cover plate 4, wherein the front surface of the main control circuit board 1 is attached to the back surface of the diffusion plate 2, and the back surface of the panel 3 is attached to the front surface of the diffusion plate 2; the main control circuit board 1 is provided with a fixing hole 10, a capacitance induction electrode 11, a touch control chip 12, a control singlechip 13, a power supply and control signal interface 14, a remote control receiving sensor 15, a power supply 16 and a model indicator lamp 17 which are electrically connected through a connecting wire; the cover plate 4 is provided with a rectangular hole 41 having the same size as the face plate 3.

From the above description, it can be seen that the following technical effects are achieved by the present application:

The center of the capacitive sensing electrode 11 may be provided with a light emitting LED for forming a key indication character capable of emitting light in the capacitive key or for providing illumination for the key indication character.

The main control circuit board 1 is provided with 4 fixing holes 10 for fixing the main control circuit board 1 to the mounting structure, and optionally, the shape and size of the fixing holes 10 may be changed according to specific requirements.

The back of the panel 3 is provided with silk screen which is a hollow character. It can be understood that the silk-screen hollow-out character patterns can be used for indicating the functions of different buttons in the panel, and optionally, the distribution shapes of the light-emitting LEDs can be correspondingly consistent with the hollow-out character patterns.

The main control circuit board 1 is integrated with a remote control receiving sensor 15, a power supply 16 and a model indicator light 17, and the remote control receiving sensor 15 can receive a control signal sent by a remote control device.

The capacitor key further comprises a cover plate 4, the cover plate 4 can be a metal plate made of a section bar or a sheet metal process, and a rectangular hole 41 with the same size as the panel 3 is formed in the cover plate 4 and used for accommodating the panel 3.

In the concrete implementation, the panel 3 is placed in the rectangular hole 41 of the cover plate 4, the diffusion plate 2 and the main control circuit board 1 are both located behind the cover plate 4, the panel 3 can be placed in the rectangular hole 41 through structural forms such as buckles, and the panel 3, the diffusion plate 2 and the main control circuit board 1 are all adhered together in a seamless adhesion mode.

It can be understood that the number of the touch buttons in the panel 3 is related to the control command corresponding to the intelligent blackboard.

It can be understood that the diffusion plate 2 can be added to play a role of backlight, so that the light of the whole capacitor key is softer, and the displayed font is clearer.

It should be noted that, in the above embodiment, each touch button in the panel 3 is provided with a touch-proof design, for example, a delayed response is possible, so as to avoid an undesirable operation caused by a false touch during use.

It will be apparent to those skilled in the art that the modules or steps of the present invention described above can be implemented by a general purpose computing device, centralized on a single computing device or distributed over a network of multiple computing devices, or alternatively implemented by program code executable by a computing device, such that the modules or steps may be stored in a memory device and executed by a computing device, fabricated separately as integrated circuit modules, or fabricated as a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a capacitance button of wisdom blackboard which characterized in that includes: the front surface of the main control circuit board is attached to the back surface of the diffusion plate, and the back surface of the panel is attached to the front surface of the diffusion plate; the main control circuit board is provided with a capacitance induction electrode, a touch control chip, a control single chip and a power supply and control signal interface which are electrically connected through a connecting wire.

2. The capacitive button of intelligent blackboard according to claim 1, wherein the center of the capacitive sensing electrode is provided with a light emitting LED.

3. The capacitive button of the intelligent blackboard according to claim 1, wherein the main control circuit board is provided with a fixing hole, and the fixing hole is used for fixing the main control circuit board on the mounting structure.

4. The capacitive button of intelligent blackboard according to claim 1, wherein the back of the panel has silk screen, and the silk screen is hollow.

5. The capacitive button of the intelligent blackboard according to claim 1, wherein the main control circuit board is integrated with a remote receiving sensor.

6. The capacitive button of the intelligent blackboard according to claim 1, wherein the main control circuit board is integrated with a power supply.

7. The capacitive button of intelligent blackboard according to claim 1, wherein the main control circuit board is integrated with a model indicator light.

8. The capacitive button of intelligent blackboard according to claim 1, further comprising: the cover plate is provided with a rectangular hole with the same size as the panel; the rectangular hole is used for accommodating the panel.

9. The capacitive button of intelligent blackboard according to claim 8, wherein the cover plate is a profile.