CN204089848U - A kind of television teaching system based on NFC - Google Patents
A kind of television teaching system based on NFC Download PDFInfo
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- CN204089848U CN204089848U CN201420451012.1U CN201420451012U CN204089848U CN 204089848 U CN204089848 U CN 204089848U CN 201420451012 U CN201420451012 U CN 201420451012U CN 204089848 U CN204089848 U CN 204089848U
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Abstract
The utility model relates to the communications field, be specifically related to a kind of television teaching system based on NFC, comprise mobile terminal, audio-visual education programme terminal and cloud server, mobile terminal comprises the first NFC module for short-range communication, the first communication module for telecommunication, first network module for being connected with cloud server, audio-visual education programme terminal comprises the second NFC module for short-range communication, the second communication module for telecommunication, second network module for being connected with cloud server, and cloud server comprises the 3rd mixed-media network modules mixed-media.Mobile terminal in television teaching system is set up Preliminary Communications with audio-visual education programme terminal by respective NFC and is connected, mobile terminal is set up on the basis that Preliminary Communications connects be connected with the telecommunication of audio-visual education programme terminal, simplify the connected mode of mobile terminal and audio-visual education programme terminal, improve the operability of television teaching system.
Description
Technical Field
The utility model relates to the field of communication, concretely relates to electrified education system based on NFC.
Background
An electrified education system of a multimedia classroom generally comprises a multimedia computer, a liquid crystal projector, a digital video display stand, a central control system, a projection screen, sound equipment and other modern teaching equipment. Along with the development of the technology, the mobile terminal is also added in the field of electrified education systems, the mobile terminal is generally connected with the display device through wireless connection modes such as Bluetooth or WIFI, and a user can control the display device through the mobile terminal to perform interactive operation.
However, the connection operation between the mobile terminal and the display device is cumbersome, and the user's resources also need to be obtained by downloading the multimedia computer through a mobile hard disk or a network, which is inconvenient for the user's operation and reduces the user experience quality.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide an audio-visual education system based on NFC, improve the maneuverability of audio-visual education system.
The utility model provides a technical scheme that its technical problem adopted is: the electrified education system based on the NFC comprises a mobile terminal, an electrified education terminal and a cloud server, wherein the mobile terminal comprises a first NFC module for near field communication, a first communication module for long distance communication and a first network module connected with the cloud server, the electrified education terminal comprises a second NFC module for near field communication, a second communication module for long distance communication and a second network module connected with the cloud server, and the cloud server comprises a third network module; the first NFC module is in communication connection with the second NFC module and establishes a first data link, the first communication module is in communication connection with the second communication module and establishes a second data link, the first network module is in communication connection with the third network module and establishes a third data link, and the second network module is in communication connection with the third network module and establishes a fourth data link.
Wherein, the preferred scheme is: the electrified education terminal stores the configuration information of the mobile terminal, and sends the configuration information to the mobile terminal through a first data link; and the first communication module is in communication connection with the second communication module according to the configuration information and establishes a second data link.
Wherein, the preferred scheme is: the mobile terminal also comprises a first application module; and the first application module carries out interactive operation with the electrified education terminal through a second data link.
Wherein, the preferred scheme is: the mobile terminal stores login information used for logging in a cloud server, and sends the login information to the electrified education terminal through a first data link.
Wherein, the preferred scheme is: the electrified education terminal also comprises a second application module; and the second application module is used for judging whether to establish a fourth data link after the first data link is established.
Wherein, the preferred scheme is: the second data link is in WIFI communication connection or Bluetooth communication connection.
Wherein, the preferred scheme is: the mobile terminal is a smart phone or a tablet computer.
Wherein, the preferred scheme is: the electrified education terminal comprises a touch display device and a PC terminal connected with the touch display device.
The beneficial effects of the utility model reside in that, compared with the prior art, the utility model discloses a design an audio-visual education system based on NFC, mobile terminal in the audio-visual education system and audio-visual education terminal establish preliminary communication connection through respective NFC, establish the remote communication connection of mobile terminal and audio-visual education terminal on the basis of preliminary communication connection, simplify the connected mode of mobile terminal and audio-visual education terminal, improve the maneuverability of audio-visual education system; meanwhile, the mobile terminal and the electrified education terminal are respectively in communication connection with the cloud server, so that resources can be rapidly downloaded and uploaded.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
FIG. 1 is a schematic structural diagram of the electrified education system of the present invention;
fig. 2 is a schematic diagram of a data link of the electrified education system of the present invention;
fig. 3 is a schematic diagram of configuration information of the electrified education system of the present invention;
fig. 4 is a schematic diagram of login information of the electrified education system of the utility model;
fig. 5 is a schematic structural view of the electrified education terminal of the utility model;
fig. 6 is a schematic structural diagram of the electrified education system with the NFC electronic tag of the present invention.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, a preferred embodiment of an NFC-based electrified education system is provided.
An electrified education system based on NFC comprises a mobile terminal 10, an electrified education terminal 20 and a cloud server 30, wherein the mobile terminal 10 comprises a first NFC module 11 used for near field communication, a first communication module 12 used for far field communication and a first network module 13 used for being connected with the cloud server 30, the electrified education terminal 20 comprises a second NFC module 21 used for near field communication, a second communication module 22 used for far field communication and a second network module 23 used for being connected with the cloud server 30, and the cloud server 30 comprises a third network module 31. The short-range communication is a communication connection within a distance of 20cm, and the long-range communication is a communication connection outside the distance of 20 cm.
The mobile terminal 10, the electrified education terminal 20 and the cloud server 30 are in communication connection with each other to form four data links: the first NFC module 11 is communicatively connected to the second NFC module 21 and establishes a first data link 41, the first communication module 12 is communicatively connected to the second communication module 22 and establishes a second data link 42, the first network module 13 is communicatively connected to the third network module 31 and establishes a third data link 43, and the second network module 23 is communicatively connected to the third network module 31 and establishes a fourth data link 44. The data link generally refers to a communication channel for data transmission, and may be a wireless channel or a wired channel.
Further, the mobile terminal 10 includes a host control unit, the host control unit is respectively connected to the first NFC module 11, the first communication module 12, and the first network module 13, and the host control unit respectively controls the first NFC module 11, the first communication module 12, and the first network module 13 to operate, or transmits data signals among the first NFC module 11, the first communication module 12, and the first network module 13 through the host control unit; the electrified education terminal 20 and the cloud server 30 are both provided with a main control unit, and the connection mode and the working mode of the main control unit are the same as those of the main control unit of the mobile terminal 10, which are not described herein.
In this embodiment, the first NFC module 11 includes functional modules such as an NFC antenna, a memory, a decoding/encoding unit, an se (secure element) unit, a control unit, and the like, and the specific structure of the second NFC module 21 is the same as that of the first NFC module 11, which is not described herein. Wherein, the se (secure element) unit is a logic circuit arranged in a chip, and is used for encryption/decryption, preventing external malicious analysis attack, and protecting data security; the decoding/encoding unit is used for decoding/encoding the received/transmitted signals.
When the NFC antenna of the mobile terminal 10 is close to the NFC antenna of the audio-visual education terminal 20, and the preferred distance is within 10mm, the first NFC module 11 is in communication connection with the second NFC module 21 and establishes a first data link 41, specifically the establishing mode is: the product ID information of the mobile terminal 10 is stored in the memory of the first NFC module 11, the product ID information of the electrified education terminal 20 is stored in the memory of the second NFC module 21, when the NFC antenna of the mobile terminal 10 is close to the NFC antenna of the electrified education terminal 20, the first NFC module 11 and the second NFC module 21 respectively send the respective product ID information to the opposite side, the first NFC module 11 and the second NFC module 21 authenticate the received product ID information, and after the authentication is successful, the first NFC module 11 and the second NFC module 21 establish a first data link 41.
Generally, there are several mobile terminals 10 and several electrified education terminals 20, each mobile terminal 10 stores the product ID information of several electrified education terminals 20 for authenticating the correctness of the received product ID information of the electrified education terminal 20, and each electrified education terminal 20 stores the product ID information of several mobile terminals 10 for authenticating the correctness of the received product ID information of the mobile terminal 10; the authentication operation is performed within the control unit: when the NFC antenna receives the product ID information in time, the product ID information is sent to the control unit, and the control unit compares the received product ID with the stored product ID information.
Further, the third data link 43 and the fourth data link 44 constitute a sixth data link, through which the mobile terminal 10 is connected with the audio-visual education terminal 20, and the mobile terminal 10 controls the audio-visual education terminal 20.
As shown in fig. 2 and 3, a preferred embodiment of an application for providing configuration information of an electrified education system.
The configuration information 60 of the mobile terminal 10 is stored in the electrified education terminal 20, specifically, the configuration information 60 of the mobile terminal 10 is stored in a memory of the second NFC module 21 of the electrified education terminal 20, when the first data link 41 is established, that is, the first NFC module 11 and the second NFC module 21 complete pairing connection, the electrified education terminal 20 sends the configuration information 60 to the mobile terminal 10 through the first data link 41, meanwhile, the first NFC module 11 sends the configuration information 60 to the first communication module 12, and the first communication module 12 establishes the second data link 42 with the second communication module 22 according to the configuration information 60.
The configuration information 60 includes an account and a password required for the communication connection between the first communication module 12 and the second communication module 22, and in this embodiment, the connection mode of the second data link 42 is preferably a WIFI connection or a bluetooth connection: 1. if the connection is a WIFI connection, the first communication module 12 is a WIFI module, the second communication module 22 is a router, and the first communication module 12 is connected to the second communication module 22 according to a WIFI account and a password in the configuration information 60; 2. if the connection is bluetooth connection, the first communication module 12 and the second communication module 22 are both bluetooth modules, and the first communication module 12 is connected to the second communication module 22 according to the bluetooth account and the password in the configuration information 60.
Further, the mobile terminal 10 further includes a first application module; the first application module interoperates with the electrified education terminal 20 through the second data link 42.
Before the first NFC module 11 contacts the second NFC module 21, the user opens the first application module on the mobile terminal 10, after the first data link 41 is established, the mobile terminal 10 and the audio-visual education terminal 20 quickly establish the second data link 42, and after the second data link 42 is established, the first application module performs an interactive operation with the audio-visual education terminal 20 through the second data link 42. Or after the first data link 41 between the first NFC module 11 and the second NFC module 21 is established, the mobile terminal 10 and the audio-visual education terminal 20 quickly establish the second data link 42, and after the second data link 42 is established, the mobile terminal 10 automatically opens the first application module, and the first application module performs an interactive operation with the audio-visual education terminal 20 through the second data link 42.
The first application module interoperates with the electrified education terminal 20 through the second data link 42, and there are generally two cases: firstly, an operation desktop of the electrified education terminal 20 is displayed on the mobile terminal 10, and the electrified education terminal 20 can be controlled through the mobile terminal 10 to realize remote control; and secondly, displaying the operation desktop of the mobile terminal 10 on the electrified education terminal 20 to realize wireless screen transmission. In both cases, the user can use a handwriting pad or perform a screen annotation operation, etc. through the first application module.
Further, the mobile terminal 10 can set the audio-visual education terminal 20 through the second data link 42, such as brightness, color, or start information of some applications of the audio-visual education terminal 20.
As shown in fig. 2 and 4, a preferred embodiment of the application for providing the login information of the electrified education system.
The mobile terminal 10 stores login information 50 for logging in the cloud server 30, specifically, the first NFC module 11 of the mobile terminal 10 stores the login information 50 for logging in the cloud server 30, when the first data link 41 is established, that is, the first NFC module 11 and the second NFC module 21 complete pairing connection, the mobile terminal 10 sends the login information 50 to the electrified education terminal 20 through the first data link 41; the first network module 13 establishes a third data link 43 with the third network module 31 according to the login information 50, that is, the mobile terminal 10 is connected to the cloud server 30; the second network module 23 establishes a fourth data link 44 with the third network module 31 according to the login information 50, that is, the electrified education terminal 20 is connected to the cloud server 30.
The login information 50 includes an ID and a password required by the user to log in the cloud server 30, and for the mobile terminal 10, as long as a function key of the mobile terminal 10 in communication connection with the cloud server 30 is turned on, the mobile terminal 10 can directly log in the cloud server 30 according to the login information 50 to establish the third data link 43; for the electrified education terminal 20, after the first data link 41 is established, the electrified education terminal 20 receives the login information 50, the electrified education terminal 20 directly logs in the cloud server 30 through the mobile terminal 10 according to the login information 50, and the fourth data link 44 is established.
The cloud server 30 downloads resources required by the user to the mobile terminal 10 and the audio-visual education terminal 20 through the third data link 43 and the fourth data link 44, respectively, or the mobile terminal 10 and the audio-visual education terminal 20 upload the resources to the cloud server 30 through the third data link 43 and the fourth data link 44, respectively.
Further, the electrified education terminal 20 further includes a second application module, when the first data link 41 is established, the electrified education terminal 20 inquires the user through the second application module, whether the electrified education terminal 20 is in communication connection with the cloud server 30 or not is judged, and the second application module judges whether the fourth data link 44 is established or not according to the user instruction. At least two judgment conditions are included: in the first judgment situation, the user selects to establish the fourth data link 44, the audio-visual education terminal 20 logs in the cloud server 30 according to the login information 50, and the fourth data link 44 is established; in the second decision, the user chooses not to establish the fourth data link 44 and the audiovisual terminal 20 enters the off-line operating state.
Wherein, an inquiry method for whether to establish the fourth data link 44 is provided: after the second application module waits for the second data link 42 to be established, the second application module sends the problem of whether to establish the fourth data link 44 to the mobile terminal 10 through the second data link 42, the mobile terminal 10 pops up two options on a display screen to establish connection and not establish connection, a user selects one option, the mobile terminal 10 sends a user instruction to the electrified education terminal 20 through the second data link 42, and the second application module judges whether to establish the fourth data link 44 according to the user instruction.
When the judgment condition is the first judgment condition, the electrified education terminal 20 downloads the resources prepared by the user in advance from the cloud server 30, the resources prepared in advance can be uploaded by the mobile terminal 10 through the third data link 43 before the first data link 41 is established through the mobile terminal 10, or the user directly logs in the cloud server 30 and uploads the resources through the relevant electronic equipment, such as a computer, through the login information 50. Meanwhile, the mobile terminal 10 may also control the electrified education terminal 20 through the first application module to download the relevant resources from the cloud server 30.
When the judgment condition is the second judgment condition, since the electrified education terminal 20 enters the off-line working state, the electrified education terminal 20 only has a connection relation with the mobile terminal 10 and cannot be in communication connection with the cloud server 30.
Wherein the mobile terminal 10 can download the resources prepared in advance by the user through the third data link 43 and transmit the same to the electrified education terminal 20 through the second data link 42.
Further, the cloud server 30 includes a storage device and a communication module, teaching resources are stored in the storage device, the communication module is a third network module 31, the third network module 31 includes a WIFI hotspot, the first network module 13 of the mobile terminal 10 and the second network module 23 of the audio-visual education terminal 20 are WIFI modules, and the first network module and the second network module are connected to the WIFI hotspot of the third network module 31 through WIFI communication. Or the third network module 31 includes a WIFI hotspot and a network interface, the first network module 13 of the mobile terminal 10 is a WIFI module, and is connected to the WIFI hotspot of the third network module 31 through WIFI communication, and the second network module 23 of the audio-visual education terminal 20 is a network card, and is connected to the network interface of the third network module 31 through a network cable.
In the present invention, the mobile terminal 10 is a smart phone or a tablet computer.
As shown in fig. 5, a preferred embodiment of an electrified education terminal is provided.
The electrified education terminal 20 comprises a touch display device 201 and a PC end 202 connected with the touch display device 201, the touch display device 201 is provided with a second NFC module 21, the PC end 202 is provided with a second communication module 22 and a second network module 23, and the touch display device 201 is connected with the PC end 202 through a data line.
The touch display device 201 and the mobile terminal 10 are preliminarily identified through the first data link 41, the touch display device 201 transmits the configuration information 60 to the mobile terminal 10, and the mobile terminal 10 transmits the login information 50 to the touch display device 201; then, the touch display device 201 transmits information primarily recognized with the mobile terminal 10 to the PC end 202, the PC end 202 establishes the second data link 42 with the mobile terminal 10, and meanwhile, the interactive operation between the PC end 202 and the mobile terminal 10 is displayed on the touch display device 201; the PC 202 determines to connect to the cloud server 30 or enter an offline operating state according to a user instruction.
Or, the audio-visual education terminal 20 includes a touch display device 201 and a PC terminal 202 connected to the touch display device 201, the touch display device 201 is provided with a second NFC module 21 and a second communication module 22, the PC terminal 202 is provided with a second network module 23, and the PC terminal 202 is mainly used for controlling the touch display device 201 or displaying the desktop of the PC terminal 202 on the touch display device 201.
The utility model discloses in, touch display device 201 is capacitive touch screen or infrared touch screen.
As shown in fig. 6, a preferred embodiment of the NFC electronic tag-based electrified education system is provided.
An electrified education system based on an electronic tag 70 comprises the electronic tag 70, an electrified education terminal 20 and a cloud server 30, wherein the electronic tag 70 is preferably an RFID passive electronic tag, the electronic tag 70 comprises a tag module 71 used for storing data and an antenna module 72 used for near field communication, the electrified education terminal 20 comprises a second NFC module 21 used for near field communication and a second network module 23 used for being connected with the cloud server 30, and the cloud server 30 comprises a third network module 31; the tag module 71 stores therein product ID information.
The electronic tag 70 performs radio frequency signal transmission with the second NFC module 21 through the antenna module 72 and establishes a fifth data link 45, specifically: after the electronic tag 70 enters the magnetic field of the second NFC module 21, the antenna module 72 receives the radio frequency signal sent by the second NFC module 21, the product ID information stored in the tag module 71 is sent out by the energy obtained by the induced current, the second NFC module 21 reads and decodes the product ID information, and sends the product ID information to the audio-visual education terminal 20 for related data processing, and the second NFC module 21 is in communication connection with the electronic tag 70 according to the processed result and establishes the fifth data link 45. Wherein the magnetic field of the second NFC module 21 is within a distance of 20cm from the second NFC module 21.
The electronic tag 70 stores login information 50 for logging in the cloud server 30, and after the fifth data link 45 is established, the electronic tag 70 sends the login information 50 to the electrified education terminal 20 through the fifth data link 45; the second network module 23 establishes a fourth data link 44 with the third network module 31 according to the login information 50, that is, the electrified education terminal 20 is connected to the cloud server 30.
The login information 50 of the electronic tag 70 is substantially identical to the login information 50 of the mobile terminal 10, and thus the description thereof is not repeated.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, which is intended to cover all equivalent changes and modifications made within the scope of the present invention.
Claims (8)
1. An audio-visual education system based on NFC, its characterized in that: the mobile terminal comprises a first NFC module for near field communication, a first communication module for long distance communication and a first network module connected with the cloud server, the electrified education terminal comprises a second NFC module for near field communication, a second communication module for long distance communication and a second network module connected with the cloud server, and the cloud server comprises a third network module; wherein,
the first NFC module is in communication connection with the second NFC module and establishes a first data link, the first communication module is in communication connection with the second communication module and establishes a second data link, the first network module is in communication connection with the third network module and establishes a third data link, and the second network module is in communication connection with the third network module and establishes a fourth data link.
2. The electrified education system of claim 1, wherein: the electrified education terminal stores the configuration information of the mobile terminal, and sends the configuration information to the mobile terminal through a first data link; and the first communication module is in communication connection with the second communication module according to the configuration information and establishes a second data link.
3. The electrified education system of claim 2, wherein: the mobile terminal also comprises a first application module; and the first application module carries out interactive operation with the electrified education terminal through a second data link.
4. The electrified education system of claim 1, wherein: the mobile terminal stores login information used for logging in a cloud server, and sends the login information to the electrified education terminal through a first data link.
5. The electrified education system of claim 4, wherein: the electrified education terminal also comprises a second application module; and the second application module is used for judging whether to establish a fourth data link after the first data link is established.
6. The electrified education system of claim 1, wherein: the second data link is in WIFI communication connection or Bluetooth communication connection.
7. The electrified education system of claim 1, wherein: the mobile terminal is a smart phone or a tablet computer.
8. The electrified education system of claim 1, wherein: the electrified education terminal comprises a touch display device and a PC terminal connected with the touch display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420451012.1U CN204089848U (en) | 2014-08-11 | 2014-08-11 | A kind of television teaching system based on NFC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420451012.1U CN204089848U (en) | 2014-08-11 | 2014-08-11 | A kind of television teaching system based on NFC |
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| CN204089848U true CN204089848U (en) | 2015-01-07 |
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| CN201420451012.1U Expired - Lifetime CN204089848U (en) | 2014-08-11 | 2014-08-11 | A kind of television teaching system based on NFC |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785786A (en) * | 2016-04-22 | 2016-07-20 | 广东格兰仕集团有限公司 | NFC control-based intelligent household appliance and distribution network method thereof |
| CN105897476A (en) * | 2016-04-11 | 2016-08-24 | 四川九洲电器集团有限责任公司 | Method and device for building transmission channel |
| WO2018064876A1 (en) * | 2016-10-08 | 2018-04-12 | 华为技术有限公司 | Payment method and device based on nfc near field communication |
| CN109560835A (en) * | 2019-01-14 | 2019-04-02 | 广州供电局有限公司 | Power communication multi-channel testing method, apparatus, computer equipment and storage medium |
-
2014
- 2014-08-11 CN CN201420451012.1U patent/CN204089848U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105897476A (en) * | 2016-04-11 | 2016-08-24 | 四川九洲电器集团有限责任公司 | Method and device for building transmission channel |
| CN105897476B (en) * | 2016-04-11 | 2019-02-26 | 四川九洲电器集团有限责任公司 | A kind of method and device creating transmission channel |
| CN105785786A (en) * | 2016-04-22 | 2016-07-20 | 广东格兰仕集团有限公司 | NFC control-based intelligent household appliance and distribution network method thereof |
| WO2018064876A1 (en) * | 2016-10-08 | 2018-04-12 | 华为技术有限公司 | Payment method and device based on nfc near field communication |
| CN108292393A (en) * | 2016-10-08 | 2018-07-17 | 华为技术有限公司 | A kind of method of payment and equipment based on NFC near-field communications |
| CN108292393B (en) * | 2016-10-08 | 2022-06-28 | 华为技术有限公司 | Payment method and device based on NFC |
| CN109560835A (en) * | 2019-01-14 | 2019-04-02 | 广州供电局有限公司 | Power communication multi-channel testing method, apparatus, computer equipment and storage medium |
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Address after: 100000 room C, block C1104, No. 9, 3rd Street, Beijing, Haidian District Patentee after: HITEVISION Co.,Ltd. Address before: 100000 room C, block C1104, No. 9, 3rd Street, Beijing, Haidian District Patentee before: HONGHE TECHNOLOGY Co.,Ltd. |
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