CN112579027A - Interactive whiteboard is used in teaching - Google Patents
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- CN112579027A CN112579027A CN202011399770.XA CN202011399770A CN112579027A CN 112579027 A CN112579027 A CN 112579027A CN 202011399770 A CN202011399770 A CN 202011399770A CN 112579027 A CN112579027 A CN 112579027A
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Abstract
The invention provides an interactive electronic whiteboard system for teaching, an electronic whiteboard client, a business provider and a server, and belongs to the field of teaching equipment. The electronic whiteboard system includes: the electronic whiteboard system comprises an electronic whiteboard service end, a client and a server; the service end corresponds to the teacher for speaking, is in communication connection with any client randomly and is used for the teacher for speaking to log in the client through the service end; the client corresponds to the physical classroom, is arranged in the physical classroom and is used for students or teachers in the physical classroom to log in the client by taking the classroom as a unit and sending login information to the server; the server is in communication connection with the clients, groups the clients according to the login information, realizes interconnection and synchronization of the clients in the same group, and simultaneously retransmits the previous data to the clients which are added later in a full amount. The invention carries out unified management on the electronic whiteboard client through the server, groups and synchronizes classrooms according to login information, realizes synchronous teaching and interaction among different classrooms and improves the interactivity.
Description
Technical Field
The invention belongs to the field of interactive equipment for teaching, and particularly relates to an interactive electronic whiteboard for teaching.
Background
In traditional school education, a teacher generally writes white writing on a blackboard for teaching. With the development of writing instruments, whiteboards have appeared on which writing is performed for teaching or communication by erasable black pens. In recent years, with the development of electronic display technologies, electronic whiteboards have appeared, which are written on an electronic screen by a touch screen or a touch pen, and are generally used for remote class giving of students or conference of companies. However, the function of the electronic whiteboard in collective teaching cannot be fully embodied by adopting a blackboard writing or video teaching mode for students who attend classes in classrooms of schools.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, the present invention provides an interactive electronic whiteboard for teaching, which uses an electronic whiteboard server to manage clients of the electronic whiteboard in a unified manner, groups login classrooms according to login information of different clients, displays the same group of classrooms on the same electronic whiteboard, forms an online classroom, improves the group interactivity of the electronic whiteboard in teaching, and realizes synchronous teaching and interaction among different classrooms.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
in a first aspect, an embodiment of the present invention provides an interactive electronic whiteboard client for teaching, including: the interactive electronic whiteboard client corresponds to an entity classroom, is used for students in the entity classroom to log in by taking the classroom as a unit, and is provided with a teacher-speaking service terminal interface and a server interface;
the server interface is used for connecting the electronic whiteboard clients which are distributed by the server and log in the classroom in the same group, and realizes synchronization with the electronic whiteboard clients which log in the classroom.
As a preferred embodiment of the present invention, the interactive electronic whiteboard has a remote interface, and when a student in a classroom or a login classroom corresponding to a client cannot reach a physical classroom, the student accesses the client in the classroom through the remote interface, and then accesses the current interactive electronic whiteboard client through the client.
As a preferred embodiment of the present invention, the display of the interactive electronic whiteboard client is used to display a list of classrooms logged into the same group and a list of secondary students under the classroom list.
In a second aspect, an embodiment of the present invention further provides an interactive electronic whiteboard service end for teaching, where the electronic whiteboard service end has the same configuration and interface as the client; and the service end is used for leading a teacher to log in the electronic whiteboard client of the lecture classroom.
As a preferred embodiment of the present invention, after the teacher logs in the client through the service end, the teacher has a corresponding operation right and a right of assigning a right to the client corresponding to the classroom accessing the electronic whiteboard of the same client.
In a third aspect, an embodiment of the present invention further provides an interactive whiteboard server for teaching, where the server includes a client grouping module, a client synchronization module, a full retransmission module, and a database;
the client grouping module is connected with the client, and simultaneously connected with the client synchronization module and the full retransmission module, and is used for grouping the client according to the client login data and simultaneously sending grouping information to the client synchronization module and the full retransmission module;
after receiving the grouping information, the client synchronization module distributes the client connections in the same group to the same path to realize interconnection, information synchronization and interaction among the clients in the same group;
and the total retransmission module judges the grouping time difference between the new grouping client and the original same group of clients, determines that the new grouping client and the original same group of clients meet the preset time difference, adds the new grouping client to the group midway, retrieves the data stored in the database and returned to the current time of the current group within the time period of the grouping time difference forwards, and retransmits the retrieved data to the newly grouped clients in total.
As a preferred embodiment of the present invention, when synchronizing information between clients, the client connected to the service end is used as a unified virtual client to synchronize information.
In a fourth aspect, an embodiment of the present invention further provides an interactive electronic whiteboard system for teaching, where the electronic whiteboard system includes: the electronic whiteboard system comprises an electronic whiteboard service end, an electronic whiteboard client and an electronic whiteboard server; wherein,
the electronic whiteboard business end corresponds to a teacher for speaking, is in communication connection with any electronic whiteboard client randomly and is used for the teacher for logging in the client through the business end;
the electronic whiteboard client corresponds to the entity classroom, is arranged in the entity classroom and is used for students or lecturers in the entity classroom to log in the client by taking the classroom as a unit and sending login information to the server;
and the electronic whiteboard server is in communication connection with all the electronic whiteboard clients and is used for grouping the clients according to the received client login information, realizing interconnection and synchronization of the clients in the same group and simultaneously retransmitting the previous data to the clients which are added later in a full amount.
The invention has the following beneficial effects:
the interactive electronic whiteboard for teaching provided by the embodiment of the invention comprises an electronic whiteboard client, a service end and a server, wherein the electronic whiteboard client is uniformly managed by an electronic whiteboard server, login classrooms are grouped according to login information of different clients, the classrooms in the same group are displayed on the same electronic whiteboard, an online classroom is formed, the grouping interactivity of the electronic whiteboard in the teaching is improved, and the synchronous teaching and interaction among different classrooms are realized.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 is a schematic structural diagram of an interactive electronic whiteboard client according to an embodiment of the present invention;
fig. 2 is an exemplary diagram of an interactive electronic whiteboard client interface in an embodiment of the present invention;
fig. 3 is a whiteboard writing schematic diagram of an interactive electronic whiteboard client in an embodiment of the present invention;
fig. 4 is a schematic diagram illustrating a whiteboard content scaling of an interactive electronic whiteboard client according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an electronic board eraser of an interactive electronic whiteboard client according to an embodiment of the present invention;
fig. 6 is a diagram illustrating an example of a secondary menu of a "diagram" in the interactive electronic whiteboard client interface in an embodiment of the present invention;
fig. 7 is an exemplary diagram of a menu for selecting graphics in an interactive electronic whiteboard client interface according to an embodiment of the present invention;
fig. 8 is an exemplary diagram of a science graphical menu in the interactive electronic whiteboard client interface in an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an interactive electronic whiteboard server according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of an interactive electronic whiteboard system in an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The embodiment of the invention provides an interactive electronic whiteboard client for teaching. As shown in fig. 1, the interactive electronic whiteboard client corresponds to a physical classroom, is used for students in the physical classroom to log in classroom units, has a lecturer-speaking service terminal interface and a server interface, and further comprises: the electronic blackboard eraser comprises a display, a writing pen, an electronic blackboard eraser, a memory and a plurality of functional modules. The teacher-speaking service end interface is used for a teacher to log in a current interactive electronic whiteboard client through the service end, and the server interface is used for connecting the electronic whiteboard clients distributed by the server and logging in a classroom and realizing synchronization with the electronic whiteboard clients of the logging in the classroom.
After the teacher logs in, the service end of the teacher synchronizes with the current interactive electronic whiteboard client, the service end has corresponding teacher operation authority to the client, and the teacher operates the service end to operate the current interactive electronic whiteboard client, so that interaction with students in a login classroom is completed. Meanwhile, the teacher can temporarily change the operation authority of the current interactive electronic whiteboard client through the service end, authorize the interactive electronic whiteboard client for logging in the classroom, and allow students logging in the classroom to synchronously operate the current client through the local client, so that interaction is realized.
Meanwhile, the interactive electronic whiteboard is provided with a remote interface, when a student in a classroom corresponding to the client or a login classroom cannot reach the physical classroom, the student accesses the client of the classroom through the remote interface, and then accesses the current interactive electronic whiteboard client through the client.
Through the synchronization of the service end and the client and the synchronization of the client in different classrooms, students in different classrooms can participate in teaching of the same teacher at the same time, and interaction with the teacher and students is realized.
The display of the interactive electronic whiteboard client is used for displaying writing, writing on a blackboard, a classroom list, a secondary student list under the classroom list, a shared screen and the like; the writing pen is an electronic pen, the thickness, the color and the font of the writing pen can be set automatically, and in addition, when the display is a touch screen, handwriting can be written by hands instead of the writing pen; the electronic blackboard eraser can be set to be large or small, and can also be set to be a one-key cleaning function; the memory is used for storing the teaching data of the client so as to be called by the client and the server.
In an embodiment of the present invention, as shown in fig. 2, the interactive electronic whiteboard client interface includes: "presentation account", "new", and "size color". Wherein, demonstration account number integration has the menu function, and the last row of specific function key appears after clicking includes: "writing", "drawing", "multi-stroke", "recognition", "dictionary", "writing", "interaction", "background pattern". Each function key on the interface corresponds to one function module of the client.
In this embodiment, for convenience of description, the display is abbreviated as a whiteboard, that is, the display of the interactive electronic whiteboard client.
Where the pen is changed to white by clicking the "write" button, as shown in fig. 3, writing is started directly on the whiteboard with the whiteboard pen or finger. As shown in fig. 4, the two-point operation of the finger is used to enlarge, reduce and translate the blackboard-writing.
In this embodiment, the electronic eraser is called by long-press operation with a finger. As shown in FIG. 5, if five fingers press the interface at the same time, a white circle figure appears, and only one finger is left to press the interface at this time and move left and right, and the white circle moves to wipe off the character to be erased.
Clicking the "map" button to call up the secondary menu of the map, as shown in fig. 6, the secondary menu sequentially includes: circle, straight line, angle, arbitrary triangle, equilateral triangle, right triangle, rectangle, square, coordinate axis, etc., clicking the second menu key to draw different figures; clicking the graph button again to call a graph direct calling interface, and clicking and selecting graphs corresponding to different disciplines according to the courses to call as shown in fig. 7. For example, a physical discipline is selected and the corresponding physical graph is shown in FIG. 8.
The multi-pen button is used for realizing simultaneous operation of multiple persons by clicking the button when multiple students and/or teachers operate the white board simultaneously.
The 'recognition' key is used for handwriting recognition, and is clicked when writing input is performed in a finger touch mode. The secondary menu of the "identify" key includes written font, font size, alignment, etc.
The "dictionary" is used to translate input foreign language directly into Chinese.
The blackboard writing is used for calling the blackboard writing. In the course of teaching, the blackboard writing can be automatically stored, and can be called out at any time for reuse through the blackboard writing, and the blackboard writing can be called by clicking.
The "background style" is used to set the whiteboard background.
The "interaction" is used to invoke an interactive message box, other application. For example, a PPT file is called to enter a slide show mode. In the mode, a single or a plurality of fingers are placed on a screen to realize page turning, leftward parallel sliding is realized, PPT automatically turns to the next page, rightward parallel sliding is realized, PPT automatically turns to the previous page, and page magnification and reduction operations are the same as the writing operation of a writing board; when the interface is displayed to be in a normal size, the two forefingers slide towards the middle at the same time, a slide browsing mode can be entered, and the page to be opened from is conveniently selected.
In the "new" level two menu, the "annotation" is included. When the object needs to be marked, the marking button is clicked, and a secondary menu for setting the color and the size of the writing pen appears. And clearing the marked content and directly using an erasing function. The annotation function can annotate any open application, such as a video, a webpage, office documents such as word and PPT, pictures, and the like, which are being played. The marked interface can be enlarged and reduced, and the click cross mark marking content can be automatically stored as a PNG picture. And pressing a menu button for a long time, clicking to open the annotation file, and calling a storage path.
The embodiment of the invention also provides an interactive electronic whiteboard business terminal for teaching. The electronic whiteboard business end has the same configuration and interface with the client side, and is different from the client side in that the business end is used for the login of a teacher and has corresponding operation permission and permission distribution permission to the electronic whiteboard client side corresponding to a classroom accessing to the electronic whiteboard of the same client side. The above-mentioned detailed description of the client interface is omitted here for brevity.
The embodiment of the invention also provides an interactive electronic whiteboard server for teaching. As shown in fig. 9, the server includes a client grouping module, a client synchronization module, a full retransmission module, and a database.
The client grouping module is connected with the client, simultaneously connected with the client synchronization module and the full retransmission module, and used for grouping the client according to the client login data and simultaneously sending the grouping information to the client synchronization module and the full retransmission module.
After receiving the grouping information, the client synchronization module allocates the clients in the same group to the same path in a connected manner, that is, the client synchronization module realizes the interconnection among the clients in the same group, and realizes the information synchronization and interaction of the clients in the same group. When the information synchronization between the clients is carried out, the clients in the same group are equal, and any client can be used as a virtual client to synchronize the clients in all other groups. In actual operation, a client connected to a service end is usually used as a unified virtual client to synchronize information.
And the total retransmission module judges the grouping time difference between the new grouping client and the original same group of clients, determines that the new grouping client and the original same group of clients meet the preset time difference, adds the new grouping client to the group midway, retrieves the data stored in the database and returned to the current time of the current group within the time period of the grouping time difference forwards, and retransmits the retrieved data to the newly grouped clients in total. Through the independent setting of the total retransmission module, the synchronization process between the client and the client synchronization module is not conflicted, and the previous data can be called for progress tracking while the synchronization is realized. When the later-added classroom client or the intermediate electronic whiteboard client is reconnected, the server can send the current grouped handwriting in full, and the synchronization of all whiteboard contents is ensured.
The embodiment of the invention also provides an interactive electronic whiteboard system for teaching. As shown in fig. 10, the electronic whiteboard system includes: the electronic whiteboard system comprises an electronic whiteboard service end, an electronic whiteboard client and an electronic whiteboard server.
The electronic whiteboard business end corresponds to a teacher for teaching, is in communication connection with any electronic whiteboard client randomly and is used for the teacher for logging in the client through the business end; the electronic whiteboard client corresponds to the entity classroom, is arranged in the entity classroom and is used for students or lecturers in the entity classroom to log in the client by taking the classroom as a unit and sending login information to the server; and the electronic whiteboard server is in communication connection with all the electronic whiteboard clients and is used for grouping the clients according to the received client login information, realizing interconnection and synchronization of the clients in the same group and simultaneously retransmitting the previous data to the clients which are added later in a full amount.
When teaching interaction is carried out through the interactive electronic whiteboard system, a teacher gives course instruction in a certain classroom, and firstly, an electronic whiteboard client corresponding to the current classroom is logged in through a service terminal; the current electronic whiteboard client sends login information to a server; logging in a local electronic whiteboard client by other classrooms participating in the course through an account corresponding to the current course, and sending login information to a server; the server receives the login information of all the clients, divides the clients with the same login characteristic into the same group, returns the same group information to the same group of clients, realizes the interconnection of the clients in the same group, and simultaneously, the server is used as a medium to realize the information synchronization of the clients in the same group and the interconnection; and when the group of the login information received by the server has time difference with the grouping state, starting full retransmission, and retransmitting the data in the time difference to the added client to realize real synchronization among the clients.
The foregoing description is only exemplary of the preferred embodiments of the invention and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention herein disclosed is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the spirit of the invention. For example, the above features and (but not limited to) features having similar functions disclosed in the present invention are mutually replaced to form the technical solution.
Claims (8)
1. An interactive whiteboard client for teaching, comprising: the interactive electronic whiteboard comprises a display, a writing pen, an electronic blackboard eraser, a memory and a plurality of functional modules, and is characterized in that the interactive electronic whiteboard client corresponds to an entity classroom, is used for students in the entity classroom to log in by taking the classroom as a unit, and is provided with a teacher-speaking service terminal interface and a server interface;
the server interface is used for connecting the electronic whiteboard clients which are distributed by the server and log in the classroom in the same group, and realizes synchronization with the electronic whiteboard clients which log in the classroom.
2. The interactive electronic whiteboard client for teaching as claimed in claim 1, wherein the interactive electronic whiteboard has a remote interface, and when a student in a classroom or a login classroom corresponding to the client cannot reach the physical classroom, the student accesses the client in the classroom through the remote interface, and then accesses the current interactive electronic whiteboard client through the client.
3. An interactive electronic whiteboard client for teaching according to claim 1, wherein the display of the interactive electronic whiteboard client is used to display a list of same group login classrooms and a list of secondary students under the classrooms list.
4. An interactive electronic whiteboard business terminal for teaching, characterized in that the electronic whiteboard business terminal has the same configuration and interface as the client terminal of any one of claims 1 to 3; and the service end is used for leading a teacher to log in the electronic whiteboard client of the lecture classroom.
5. The interactive electronic whiteboard business terminal for teaching as claimed in claim 4, wherein after the teacher logs in the client terminal through the business terminal, the teacher has the corresponding operation authority and the authority for distributing the authority to the client terminal corresponding to the classroom accessing the electronic whiteboard of the same client terminal.
6. An interactive electronic whiteboard server for teaching is characterized in that the server comprises a client grouping module, a client synchronization module, a full retransmission module and a database;
the client grouping module is connected with the client, and simultaneously connected with the client synchronization module and the full retransmission module, and is used for grouping the client according to the client login data and simultaneously sending grouping information to the client synchronization module and the full retransmission module;
after receiving the grouping information, the client synchronization module distributes the client connections in the same group to the same path to realize interconnection, information synchronization and interaction among the clients in the same group;
and the total retransmission module judges the grouping time difference between the new grouping client and the original same group of clients, determines that the new grouping client and the original same group of clients meet the preset time difference, adds the new grouping client to the group midway, retrieves the data stored in the database and returned to the current time of the current group within the time period of the grouping time difference forwards, and retransmits the retrieved data to the newly grouped clients in total.
7. An interactive whiteboard server for teaching according to claim 6, wherein the client connected to the service end is used as a unified virtual client for synchronizing information when synchronizing information between clients.
8. An interactive whiteboard system for teaching, the whiteboard system comprising: the electronic whiteboard system comprises an electronic whiteboard service end, an electronic whiteboard client and an electronic whiteboard server; wherein,
the electronic whiteboard business end corresponds to a teacher for speaking, is in communication connection with any electronic whiteboard client randomly and is used for the teacher for logging in the client through the business end;
the electronic whiteboard client corresponds to the entity classroom, is arranged in the entity classroom and is used for students or lecturers in the entity classroom to log in the client by taking the classroom as a unit and sending login information to the server;
and the electronic whiteboard server is in communication connection with all the electronic whiteboard clients and is used for grouping the clients according to the received client login information, realizing interconnection and synchronization of the clients in the same group and simultaneously retransmitting the previous data to the clients which are added later in a full amount.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113489768A (en) * | 2021-06-29 | 2021-10-08 | 青岛海信商用显示股份有限公司 | Data synchronization method and device of electronic whiteboard |
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