CN213149727U

CN213149727U - Intelligent combined memory blackboard

Info

Publication number: CN213149727U
Application number: CN202021637752.6U
Authority: CN
Inventors: 庄建盛
Original assignee: Jiangmen Bfy Education Technology Co ltd
Current assignee: Jiangmen Bfy Education Technology Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-05-07
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses an intelligent-connection memory blackboard, which comprises a frame, wherein a touch control sensing device, a memory device and a display device are arranged in the frame; the display device is provided with an anti-dazzle screen; the touch control sensing device is provided with a function key group comprising a plurality of function keys, and the frame is also provided with a controller and a connecting port; the touch sensing device, the memory device and the display device are respectively connected with the controller. The anti-dazzle function is achieved by arranging the anti-dazzle screen, so that eyes are not easy to fatigue, and display contents are clearer. In addition, the connection port is connected with an external all-in-one machine or computer in an interconnecting mode, the writing track on the intelligent-connection memory blackboard can be displayed on the external all-in-one machine or computer, and the operation convenience is improved through the function key group.

Description

Intelligent combined memory blackboard

Technical Field

The utility model relates to a multimedia teaching device, especially an intelligence allies oneself with memory blackboard.

Background

The multimedia teaching makes teaching easier and more efficient, and no chalk dust is generated, thereby being beneficial to the health of teachers and students. However, the display of multimedia teaching usually adopts a liquid crystal display screen capable of reflecting light, and students often feel fatigue easily when looking at the liquid crystal display screen by glasses and cannot easily see the reflecting part clearly. And when the teacher needs to use the blackboard temporarily, the blackboard cannot interact with multimedia, so that the teacher needs to walk back and forth between the blackboard and the computer to operate, and the operation is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide an intelligence antithetical couplet memory blackboard.

The utility model provides a technical scheme that its problem adopted is:

an intelligent association memory blackboard comprises a frame, wherein a touch control sensing device for sensing a writing track, a memory device for memorizing the writing track, a display device for displaying the writing track and a function key group comprising a plurality of function keys are arranged in the frame; the display device is provided with an anti-glare screen; the frame is also provided with a controller and a connecting port for connecting with external display equipment; the touch control sensing device, the memory device and the display device are respectively connected with the controller.

Further, the touch sensing device comprises an infrared receiver, an amplifier, an AD converter, a shift latch and an infrared transmitter; the input end of the shift latch is connected with the controller, and the output end of the shift latch is connected with the infrared emitter; the output end of the infrared receiver is connected with the input end of the amplifier, the output end of the amplifier is connected with the input end of the AD converter, and the output end of the AD converter is connected with the controller.

Further, the touch sensing device comprises a light emitter, a light receiver and a reflection strip, wherein the light emitter and the light receiver are arranged at the upper end of the frame, the light emitter and the light receiver are oppositely arranged at two sides, and the reflection strip is arranged at the edge of the frame.

Further, the anti-glare screen includes at least two layers of see-through glass.

Furthermore, the function keys comprise lock plate keys for locking the screen.

Further, the function keys further include a background color conversion key group for changing a background color of the display device.

Further, the function keys further comprise a pen color conversion key group for changing the display color of the writing track.

Furthermore, the function keys also comprise a sharing key for calling the two-dimensional code stored in the memory device.

Further, the function keys further comprise an erasing key for completely deleting the writing tracks stored in the memory device and currently displayed on the display device.

Further, the function keys further comprise an eraser key for deleting a part of the writing track stored in the memory device and currently displayed on the display device.

The intelligent combined memory blackboard at least has the following beneficial effects: the anti-dazzle function is achieved by arranging the anti-dazzle screen, so that the eyes of a user viewing the display device for a long time are not easy to fatigue, and the display content displayed on the display device is easier to see clearly. In addition, the intelligent connection memory blackboard is interconnected and communicated with an external all-in-one machine or computer through a connecting port, a writing track on the intelligent connection memory blackboard can be displayed on the external all-in-one machine or computer, and a user can quickly operate the intelligent connection memory blackboard and the external all-in-one machine or computer through the function key group.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention is further described with reference to the following figures and examples.

FIG. 1 is a schematic view of the connection between an intelligent combination memory blackboard and an all-in-one machine according to an embodiment of the present invention;

FIG. 2 is a structural diagram of an intelligent combination memory blackboard according to an embodiment of the present invention;

FIG. 3 is a front view of an intelligent association memory blackboard according to an embodiment of the present invention;

FIG. 4 is a schematic circuit diagram of a touch sensing device using infrared touch technology;

fig. 5 is a view illustrating an installation structure of a touch sensing device to which an optical touch technology is applied.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, an embodiment of the present invention provides an intelligent association memory blackboard 100, which includes a frame 160, a touch sensing device 120 for sensing a writing track, a memory device 130 for memorizing the writing track, a display device 110 for displaying the writing track, and a function key set 170 including a plurality of function keys are disposed in the frame 160; the display device 110 is provided with an anti-glare screen 111; the frame 160 is further provided with a controller 140 and a connection port 150 for connecting with the external display device 200; the touch sensing device 120, the memory device 130 and the display device 110 are respectively connected to the controller 140.

In this embodiment, the user touches the touch sensing device 120, the touch sensing device 120 senses the writing track, the memory device 130 records and stores the writing track sensed by the touch sensing device 120, and the display device 110 reads and displays the writing track of the memory device 130. The display device 110 achieves the anti-glare function by arranging the glare screen, so that the eyes of a user who views the display device 110 for a long time are not easy to fatigue, and the display content displayed on the display device 110 is easier to see. In addition, the intelligent association memory blackboard 100 is interconnected and intercommunicated with the external display device 200 through the connection port 150, a writing track on the intelligent association memory blackboard 100 can be displayed on the external display device 200, and a user can quickly operate the intelligent association memory blackboard 100 and the external display device 200 through the function key set 170.

Typically, the external display device 200 is a kiosk or a computer.

Note that, in this embodiment, the controller 140 may employ a stm32 series controller 140. The connection interface is a USB interface. Of course, in other embodiments, the connection interface may also be an HDM I interface or a VGA interface.

In addition, the integrated machine can be a touch display screen adopting an infrared touch technology, an optical touch technology or a capacitance touch technology.

Referring to fig. 2 and 4, in one aspect, the touch sensing device 120 and the display device 110 are combined to form a touch screen structure having a touch function and a display function. The touch sensing device 120 includes an infrared receiver 122, an amplifier 125, an AD converter 124, a shift latch 123, and an infrared transmitter 121; the input end of the shift latch 123 is connected with the controller 140, and the output end of the shift latch 123 is connected with the infrared emitter 121; the output of the infrared receiver 122 is connected to the input of an amplifier 125, the output of the amplifier 125 is connected to the input of an AD converter 124, and the output of the AD converter 124 is connected to the controller 140. The touch screen structure is specifically an infrared technology touch screen.

In this embodiment, an infrared ray matrix composed of a plurality of infrared receivers 122 and a plurality of infrared transmitters 121 densely distributed in X, Y directions is provided in front of the display device 110 to determine touch coordinates. In addition, the function key set 170 is located in a setting area on the infrared matrix, each function key corresponds to one area, and the areas of the function keys are not overlapped.

The working process of the touch screen is as follows: initializing; determining an infrared matrix area; continuously judging whether touch writing occurs in the infrared matrix area according to the scanning results of the infrared transmitter 121 and the infrared receiver 122; if touch writing occurs, the controller 140 calculates coordinates of the touch writing; and judging whether the coordinates subjected to touch writing are located in the area of the function key, if so, starting corresponding function operation according to the corresponding function key, and otherwise, displaying a writing track.

Referring to fig. 5, on the other hand, the touch sensing device 120 employs an optical touch technology, the touch sensing device 120 includes two light emitters 126, two light receivers 127 and a reflection bar 128, the two light emitters 126 are respectively located at the upper left corner and the upper right corner of the frame 160, the two light receivers 127 are respectively located at the upper left corner and the upper right corner of the frame 160, and the reflection bar 128 is located at the edge of the frame. The light emitter 126 is an LED lamp and the light receiver 127 is a CCD camera. The LED lamp in the upper left corner emits light, which is reflected by the peripheral reflective strips 128 and enters the CCD camera in the upper right corner. In a similar way, light rays emitted by the LED lamp at the upper right corner are transmitted into the CCD camera at the left side. The densely packed light forms a network of light lines in the touch area. When a touch point enters the optical line network, an included angle is formed by the emitted light and the received light of the point, and simultaneously, two included angles are formed by the CCD cameras at the two ends, the two light and the straight line formed between the two cameras, so that the coordinates of the point are accurately recorded by the controller 140, and the multi-point touch principle is realized.

Further, the anti-glare screen 111 includes at least two layers of the see-through glass 112. In this embodiment, the antiglare screen 111 has two layers of see-through glass 112. The surface of the perspective glass 112 is processed by a process, and has low reflectance, thereby achieving an anti-glare effect.

Of course, in other embodiments, the function key group 170 may be implemented by additionally providing an electrical element of the touch key.

Referring to fig. 3, further, the function keys include a lock plate key 172 for locking the screen. When the board locking button 172 is pressed once, the intelligent association memory blackboard 100 is in a screen locking state, and information of a writing track is not interacted between the intelligent association memory blackboard 100 and the external display device 200. At this time, the writing trace written on the intellectual association memory blackboard 100 is not displayed on the external display device 200. The lock button 172 is pressed again to release the lock state.

Further, the function keys further include a background color conversion key group 177. Specifically, the background-color conversion key group 177 includes a blackboard key 177a and a green-board key 177 b. When the blackboard button 177a is pressed, the background color of the display device 110 is displayed as black, thereby realizing an analog blackboard. When the green sheet key 177b is pressed, the background color of the display device 110 is displayed as green, thereby realizing a simulated green sheet.

Further, the function keys include a pen color conversion key group 178. Specifically, the pen color conversion key group 178 includes a red pen key 178a, a black pen key 178b, and a highlighter key 178 c. When the red pen button 178a is pressed, the writing track displayed by the display device 110 is red; when the black pen button 178b is pressed, the writing trace displayed on the display device 110 is black.

Further, the function keys include an erase key 183. When the erase button 183 is pressed, the writing trace currently displayed on the display device 110 stored in the memory device 130 is completely erased, and the display device 110 does not display the writing trace any more, thereby implementing a one-button erase function.

Further, the function keys include an eraser key 182. When the user touches the writing trace displayed on the display device 110 by pressing the eraser key 182, the memory device 130 deletes the writing trace of the portion and the display device 110 no longer displays the writing trace of the portion, thereby implementing the eraser function.

In addition, the function keys include a start key 171 for starting a platform corresponding to the intelligent association memory blackboard 100 installed in the external display device 200, a desktop key 173 for returning the external display device 200 to a desktop, a writing key 174 for returning the external display device 200 to a stroke writing interface, a split screen key 175 for split-screen displaying the external display device 200, a stand key 176 for returning the external display device 200 to a stand interface, a previous page key 181a for switching the external display device 200 to a previous page, a next page key 181b for switching the external display device 200 to a next page, a keyboard key 184 for causing the external display device 200 to call a virtual keyboard, and a resource key 185 for causing the external display device 200 to call a resource library interface.

The function keys further include a new key 187 for displaying a blank writing interface on the external display device 200, a save key 186 for saving the interface displayed on the external display device 200, a share key 185 for calling the two-dimensional code stored in the memory device 130, and a memory key 184 for causing the external display device 200 to display the writing trace of the interlocking memory blackboard 100 in the locked state.

The calling of the two-dimensional code is to display the two-dimensional code on the external display device 200. The two-dimensional code is a link of a cloud database, and courseware and other data are stored in the cloud database.

It should be noted that most of the function keys are disposed on the lower side of the display device 110, so as to facilitate the touch control of the user. Of course, in other embodiments, the function keys may be disposed at any position of the display device 110.

In this embodiment, through the abundant function keys, the user can control the intelligent association memory blackboard 100 and the external display device 200 by one key by operating in front of the intelligent association memory blackboard 100, so that the operation is simpler, more convenient and faster.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and the technical effects of the present invention can be achieved by the same means, which all belong to the protection scope of the present invention.

Claims

1. An intelligent association memory blackboard is characterized by comprising a frame, wherein a touch control sensing device for sensing a writing track, a memory device for memorizing the writing track, a display device for displaying the writing track and a function key group comprising a plurality of function keys are arranged in the frame; the display device is provided with an anti-glare screen; the frame is also provided with a controller and a connecting port for connecting with external display equipment; the touch control sensing device, the memory device and the display device are respectively connected with the controller.

2. The intelligent association memory blackboard of claim 1, wherein the touch sensing device includes an infrared receiver, an amplifier, an AD converter, a shift latch and an infrared emitter; the input end of the shift latch is connected with the controller, and the output end of the shift latch is connected with the infrared emitter; the output end of the infrared receiver is connected with the input end of the amplifier, the output end of the amplifier is connected with the input end of the AD converter, and the output end of the AD converter is connected with the controller.

3. The intelligent association memory blackboard of claim 1, wherein the touch sensing device includes a light emitter, a light receiver and a reflection strip, the light emitter and the light receiver are both disposed at the upper end of the frame, and the light emitter and the light receiver are disposed at two opposite sides, and the reflection strip is located at the edge of the frame.

4. An intelligent association memory blackboard according to claim 1, wherein the anti-glare screen includes at least two layers of see-through glass.

5. The intelligent association memory blackboard of claim 1, wherein the function keys include a lock key for locking the screen.

6. The blackboard of claim 5, wherein the function keys further include a background color conversion key set for changing the background color of the display device.

7. The intelligent association memory blackboard of claim 6, wherein the function keys further include a pen color conversion key set for changing the display color of the writing track.

8. The intelligent association memory blackboard of claim 7, wherein the function keys further include a sharing key for calling the two-dimensional code stored in the memory device.

9. The intelligent association memory blackboard of claim 8, wherein the function keys further include an erasing key for deleting all writing tracks stored in the memory device currently displayed on the display device.

10. The intelligent association memory blackboard of claim 9, wherein the function keys further include an eraser key for deleting a portion of the writing trace currently displayed on the display device stored in the memory device.