CN108022461A - A kind of electronics class board and electronics class board system - Google Patents
A kind of electronics class board and electronics class board system Download PDFInfo
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- CN108022461A CN108022461A CN201810091847.3A CN201810091847A CN108022461A CN 108022461 A CN108022461 A CN 108022461A CN 201810091847 A CN201810091847 A CN 201810091847A CN 108022461 A CN108022461 A CN 108022461A
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- class board
- electronics class
- control chip
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/37—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements
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- Business, Economics & Management (AREA)
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- Educational Technology (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The present invention provides a kind of electronics class board and electronics class board system, is related to teaching field.The electronics class board includes main control chip, wireless communication module, display screen and photocell, the photocell is electrically connected with the main control chip, the wireless communication module, the main control chip and the display screen are sequentially connected electrically, the wireless communication module is used to be connected with a server communication by low-power consumption wide area network, to receive the school timetable data message that the server is sent, and by the school timetable data information transfer to the main control chip, the main control chip is used to handle the school timetable data message, and the school timetable data information transfer after processing to the display screen is shown.Electronics class board provided by the invention and electronics class board system have the advantages that without power outlet, easy for installation and of low cost.
Description
Technical field
The present invention relates to teaching field, in particular to a kind of electronics class board and electronics class board system.
Background technology
Class board is that school is arranged in classroom doorway, for indicate the classroom on the work of course and the classroom information
Tool.Current overwhelming majority schools are still affixed on classroom doorway using papery class card, and when content update needs staff one by one
Put up new class board in classroom.
With the continuous development of electronic technology, Some Enterprises start to research and develop electronics class board system, for showing correlated curriculum
Information, when having content refresh, can control more new content by network remote.
But current electronics class board mainly shows that Main Morphology is similar to one using liquid crystal display to complete course content
Tablet computer.Although this electron-like class board solves the display problem of information updating and more rich content, but there is also other
The problem of.On the one hand, the cost of current electronics class board is higher, can not promote the use of a large area, it is another face to face, internal battery only
Energy standby several hours are, it is necessary to which external ac power source persistently changes power supply so that electronics class board continues electric scarce capacity, while necessary
The classroom of power supply nearby is deployed in, limits the installation of electronics class board, inconvenience is brought to installation.
In view of this, how to solve the above problems, be the emphasis of those skilled in the art's concern.
The content of the invention
It is expensive to solve electronics class board in the prior art it is an object of the invention to provide a kind of electronics class board, and
The problem of power supply is limited.
Another object of the present invention, which also resides in, provides a kind of electronics class board system using above-mentioned electronics class board, existing to solve
Have in technology that electronics class board system price is expensive, and it is inconvenient for use the problem of.
What the present invention was realized in：
On the one hand, this implementation new embodiment provides a kind of electronics class board, and the electronics class board includes main control chip, nothing
Line communication module, display screen and photocell, the photocell are electrically connected with the main control chip, the wireless communication module,
The main control chip and the display screen are sequentially connected electrically, and the wireless communication module is used to pass through low-power consumption wide area network and one
Server communication connects, to receive the school timetable data message that the server is sent, and by the school timetable data information transfer extremely
The main control chip, the main control chip are used to handle the school timetable data message, and by the school timetable data after processing
Information is transmitted to the display screen and is shown.
Further, the display screen includes electronic ink screen.
Further, the photocell includes low-light battery.
Further, the electronics class board further includes sensor module, the sensor module and main control chip electricity
Connection, the sensor module is used to detect current context information, and the current context information is transmitted to the master control core
Piece, the main control chip, which is additionally operable to be transmitted to the display screen after handling the current context information, to be shown.
Further, the electronics class board further includes sensor module, the sensor module and main control chip electricity
Connection, the sensor module is used to detect current context information, and the current context information is transmitted to the master control core
Piece, the main control chip is used to store the current context information, and the environmental information is passed through the channel radio
Letter module is sent to the server.Further, the sensor module includes Temperature Humidity Sensor, air quality senses
Device, fire sensor or gas concentration lwevel sensor.
Further, the electronics class board further includes display drive circuit, the main control chip, display screen driving
Circuit and the display screen are sequentially connected electrically.
Further, the main control chip is electrically connected with the display screen, the wireless communication module by SPI interface
Connect.
On the other hand, an embodiment of the present invention provides a kind of electronics class board system, the electronics class board system to include service
Device, low-power consumption wide area network gateway and at least one electronics class board, the electronics class board include main control chip, radio communication mold
Block, display screen and photocell, the photocell are electrically connected with the main control chip, the wireless communication module, the master control
Chip and the display screen are sequentially connected electrically, and the wireless communication module is used to lead to by low-power consumption wide area network and a server
Letter connection, to receive the school timetable data message that the server is sent, and by the school timetable data information transfer to the master control
Chip, the main control chip are used to handle the school timetable data message, and by the school timetable data information transfer after processing
Shown to the display screen.The server is electrically connected with the low-power consumption wide area network gateway, the low-power consumption wide area network
Gateway and the electronics class board communicate to connect, and the server is used for by the low-power consumption wide area network gateway to the electronics class
Board sends school timetable data message.
Further, the server is electrically connected by USB interface or serial ports with the low-power consumption wide area network gateway.
Compared with the prior art, the invention has the advantages that：
The present invention provides a kind of electronics class board and electronics class board system, which includes main control chip, channel radio
Believe module, display screen and photocell, wherein, photocell can power for main control chip, wireless communication module, display screen, together
When, photocell is a kind of semiconductor element that electromotive force is produced under the irradiation of light, i.e. photocell can convert light energy into electricity
Can, so as to have the function that electric power storage by storage capacitor or lithium battery, electronics class board is integrally utilized the general of classroom corridor
Logical illumination light realizes energy storage work so as to being powered, without power outlet and continuous electric energy power it is stronger and cause installation site no longer
Limit, it is easier for installation.On the other hand, since the module of electronics class board provided by the invention is less, cost of manufacture is relatively low, just
In promoting the use of a large area.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Brief description of the drawings
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.The present invention implementation being usually described and illustrated herein in the accompanying drawings
The component of example can be arranged and designed with a variety of configurations.Therefore, the reality of the invention to providing in the accompanying drawings below
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, belongs to the scope of protection of the invention.
Fig. 1 shows a kind of module diagram for electronics class board that the embodiment of the present invention is provided.
Fig. 2 shows the module diagram for another electronics class board that the embodiment of the present invention is provided.
Fig. 3 shows the scene figure for the electronics class board that the embodiment of the present invention is provided.
Fig. 4 shows the interaction schematic diagram for the electronics class board system that the embodiment of the present invention is provided.
Icon：100- electronics class boards；110- display screens；120- main control chips；130- wireless communication modules；140- photoelectricity
Pond；150- sensor modules；160- display drive circuits；200- electronics class board systems；210- servers；220-LPWAN nets
Close；230-LPWAN networks.
Embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and designed with a variety of configurations herein.Cause
This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Go out all other embodiments obtained on the premise of creative work, belong to the scope of protection of the invention.
In the description of the present invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one
Connect body；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
Below in conjunction with the accompanying drawings, elaborate to some embodiments of the present invention.In the case where there is no conflict, it is following
Feature in embodiment and embodiment can be mutually combined.
First embodiment
Referring to Fig. 1, an embodiment of the present invention provides a kind of electronics class board 100, which includes main control chip
120th, wireless communication module 130, display screen 110 and photocell 140, photocell 140 respectively with main control chip 120, channel radio
Letter module 130 and display screen 110 are electrically connected, and wireless communication module 130, main control chip 120 and photocell 140 are electrically connected successively
Connect.Wireless communication module 130 be used for by LPWAN (Low-Power Wide-Area Network, i.e. low-power consumption wide area network) and
One server communication connects, to receive the school timetable data message of server transmission, and by school timetable data information transfer to master control core
Piece 120, main control chip 120 are used to handle school timetable data message, and by the school timetable data information transfer after processing to aobvious
Display screen 110 is shown.
Specifically, in the present embodiment, LPWAN is a kind of technology of remote low-power consumption, compared to current Internet of product
In for the WiFi/Zigbee technologies that generally use, its power consumption is extremely low, and (it is the ten of the modules such as WiFi to be no more than 30mA operating currents
/ mono-), transmission range is super remote (general thousands of rice are the decades of times of the modules such as WiFi).But the low communication speed of LPWAN is relatively low,
Generally only have several kbps to tens kbps (less than 1 the percent of the modules such as WiFi).And in the present embodiment, due to server
When carrying out the transmission of data, it is only necessary to transmit the school timetable information of limited byte, the data volume of transmission is less, so using very much
The transmission that LPWAN carries out data is highly suitable for electronics class board 100 provided in this embodiment.
After server have sent school timetable data message to electronic school schedule, wireless communication module 130 can receive the school timetable
Data message, and the school timetable data information transfer to main control chip 120 is handled.In the present embodiment, radio communication mold
Block 130 is LPWAN wireless terminal modules, of course, in some other embodiments, wireless communication module 130 can also and
Other modules, the present embodiment do not do this any restriction.
Main control chip 120 can handle school timetable data message, be then transmit to after school timetable data message is received
Display screen 110 is shown.Specifically, electronics class board 100 further includes display drive circuit 160, display screen in the present embodiment
Drive circuit 160 is electrically connected with main control chip 120, display screen 110 respectively, and main control chip 120 being capable of control display screen driving electricity
Road 160 drives display screen 110 to work.
Traditional display screen 110 is using liquid crystal display 110, is clearly showed that although liquid crystal display 110 can reach
The effect of school timetable information, still, since the power consumption of liquid crystal display 110 is larger, causes continuous electric scarce capacity.In view of this,
In the present embodiment, in order to strengthen the continuous electric energy power of electronics class board 100, display screen 110 uses electronic ink screen.
Electronic ink screen is made of two panels substrate, scribbles a kind of electronic ink being made of countless small transparent grains above
Water, particle are formed by being sealed in positive and negative electric many black and white particles in interior liquid microcapsules, the band of different colours
Charged particle can be because applying the difference of electric field, and is moved towards different directions, shows black or white effect on 110 surface of display screen
Fruit.In this way, the black and white pattern and word as printed thing can be shown on the surface of " Electronic Paper ", it appears that with paper extremely
Reflective phenomenon that is similar, being shown in the sun without traditional liquid crystal.At the same time only picture element color change when (such as gone to from black
Ability power consumption in vain), picture can still retain on display screen 110 behind powered-down source, therefore very power saving.Meanwhile electronic ink screen compares nothing
Liquid crystal display 110 is thinner, is easily installed.
Therefore, even if electronic ink screen does not have, the display effect of liquid crystal display 110 is gorgeous, but considers in practical application
In, the display for school timetable information, can show merely with black and white pattern and word, while electronic ink screen more power saving
Feature, so the display screen 110 of the present embodiment uses electronic display 110.Also, electronic ink screen has bistable state effect,
That is only power consumption when refreshing content is needed.When not refreshing, electronic ink screen power supply can be turned off, makes electric ink
Content on screen is always maintained at content refresh next time, ensure that electric energy is served only for content refresh.
, may be even several in several weeks since the school timetable of each class has repeatability due in practical applications
All without making a change in month, so when server sends school timetable data message to electronics class board 100 every time, when can send longer
Between section school timetable data message.Ink display screen 110 is due to its bistable state effect, so power saving effect is more obvious.
Furthermore, it is desirable to explanation, in the present embodiment, main control chip 120 and display screen 110, wireless communication module 130
It is electrically connected by SPI interface.SPI interface is few with signal wire, and agreement is simple, and relative data speed is high.
In the present embodiment, main control chip 120 is additionally operable to generate feedback information after school timetable data message is received, and will
Feedback information is transmitted to server by wireless communication module 130.So that server retains each classroom pair in own database
100 Real-time Feedback of the electronics class board record answered, and relevant Query Information, easy to the inquiry of staff's later stage information.
In order to further reach the effect for the continuous electric energy power for strengthening the electronics class board 100, in the present embodiment, using photoelectricity
Pond 140 powers for the modules of electronics class board 100.Photocell 140 is a kind of partly leading for generation electromotive force under the irradiation of light
Volume elements part, i.e. photocell 140 can convert light energy into electric energy, and by storage capacitor or lithium battery so as to reach the work of electric power storage
With, while be each module for power supply, it is easier for installation without external power supply.
It should be noted that photocell 140 is generally using solar photocell 140 at present, however, electronics class board
100 are generally mounted to interior, so the time of contact sunlight is few, according to solar cell for supplying power, then actual effect is simultaneously
Unobvious.In view of this, photocell 140 provided in this embodiment is using low-light battery 140.
Low-light battery 140 is a kind of monocrystalline silicon battery that natural light can be changed to electric energy, it is converted, and electric current is smaller but energy
It is enough to work in low lighting conditions, i.e., low-light battery 140 provided in this embodiment can lead to the common light in teaching building corridor or oneself
Collection of energy can be achieved in right lighting environment, and carries out electric energy storage by storage capacitor or lithium battery.Due to teaching building corridor
Light under common light or natural illumination environment easily obtains, so as to realizing that low-light battery 140 is in charged state
Time is longer, so as to reach the effect of continuous electric energy power abundance.Furthermore, it is desirable to explanation, although the charging of low-light battery 140
It is less efficient, but since electronics class board 100 provided in this embodiment uses electronic ink screen, it is not necessary to continued power, only exists
Just meeting power consumption during refreshing content, remaining time electronics class board 100 is in resting state, so electronics class provided in this embodiment
The power consumption of board 100 is relatively low, and low-light battery 140 disclosure satisfy that the power consumption requirements of electronic ink screen.
Further, in the present embodiment, in order to make the functional diversities of electronics class board 100, electronics class board 100 further includes
Sensor module 150, sensor module 150 are electrically connected with main control chip 120, and sensor module 150 is used to detect current environment
Information, and current context information is transmitted to main control chip 120, main control chip 120 is additionally operable to at current context information
Display screen 110 is transmitted to after reason to be shown, meanwhile, main control chip 120 can also store the current context information, and
The current context information is sent to server by wireless communication module 130 when suitable.
Specifically, in the present embodiment, sensor module 150 includes Temperature Humidity Sensor, air quality sensor, fire
Sensor or gas concentration lwevel sensor.For example, Temperature Humidity Sensor can detect the humiture information of current environment, and will
After humiture information is transmitted to main control chip 120 and is handled, while main control chip 120 can be handled humiture information
Display screen 110 is transmitted to be shown.
Second embodiment
Referring to Fig. 4, the embodiment of the present invention additionally provides a kind of electronics class board system 200, which wraps
Include the electronics class board 100 described in server 210, LPWAN gateways 220 and at least one first embodiment, server 210 with
LPWAN gateways 220 are electrically connected, and LPWAN gateways 220 are communicated to connect by LPWAN networks 230 and each electronics class board 100, service
Device 210 is used to send school timetable data message to electronics class board 100 by LPWAN gateways 220.
Specifically, in the present embodiment, server 210 is electrically connected by USB interface or serial ports with LPWAN gateways 220.And
And other people invade the electronics class board system 200 in order to prevent, the appearance of the situation of school timetable information is distorted, in the present embodiment, clothes
The school timetable data message that business device 210 is sent is encryption information.Encrypted class board information is transmitted to LPWAN nets by server 210
220 are closed, is then sent by LPWAN gateways 220 to electronics class board 100.Electronics class board 100 is sent to receiving LPWAN gateways 220
Encryption information be decrypted, so as to obtain 100 refreshing instruction of electronics class board (refreshing/holding/inquiry etc.) and data packet.Electricity
Sub- class board 100 carries out the data packet after decryption layout for meeting that electronic ink screen is shown when obtaining " refreshing " instruction
Form.The character and Chinese character information that data packet is generally formed with ASCII codings or GB2312 codings are formed.Electronics class board 100
By calling internal character library lattice information, obtaining electronic ink screen needs lattice information to be shown, and with will the information present
In electronic ink screen.Electronics class board 100 is when obtaining non-" refreshing " instruction, such as when " holding " or " inquiry ", then only feedback is worked as
It is preceding to preserve the last school timetable data message refreshed, without performing display action.Wherein " inquiry " instruction can require electronics class
Board 100 is incidentally currently located the current context information in classroom.
In conclusion the present invention provides a kind of electronics class board and electronics class board system, which includes master control core
Piece, wireless communication module, display screen and photocell, wherein, photocell can be main control chip, wireless communication module, display
Screen power supply, meanwhile, photocell is a kind of semiconductor element that electromotive force is produced under the irradiation of light, i.e. photocell can be by luminous energy
Electric energy is converted to, so as to have the function that electric power storage by storage capacitor or lithium battery, electronics class board is integrally utilized classroom
The general lighting light in corridor realizes energy storage work so as to being powered, without power outlet and continuous electric energy power it is stronger and cause installation
Position no longer limits, easier for installation.On the other hand, since the module of electronics class board provided by the invention is less, it is fabricated to
This is relatively low, is easy to promote the use of a large area.
In the description of the present invention, it is necessary to which explanation, term " first ", " second " etc. are only used for distinguishing description, without
It is understood that to indicate or implying relative importance.The foregoing is only a preferred embodiment of the present invention, is not limited to
The present invention, for those skilled in the art, the invention may be variously modified and varied.It is all the present invention spirit and
Within principle, any modification, equivalent substitution, improvement and etc. done should all be included in the protection scope of the present invention.
Claims (10)
- A kind of 1. electronics class board, it is characterised in that the electronics class board include main control chip, wireless communication module, display screen with And photocell, the photocell are electrically connected with the main control chip, the wireless communication module, the main control chip and described Display screen is sequentially connected electrically, and the wireless communication module is used to be connected with a server communication by low-power consumption wide area network, to connect Receive the school timetable data message that the server is sent, and by the school timetable data information transfer to the main control chip, the master Control chip is used to handle the school timetable data message, and by the school timetable data information transfer after processing to the display screen Shown.
- 2. electronics class board as claimed in claim 1, it is characterised in that the display screen includes electronic ink screen.
- 3. electronics class board as claimed in claim 1, it is characterised in that the photocell includes low-light battery.
- 4. electronics class board as claimed in claim 1, it is characterised in that the electronics class board further includes sensor module, described Sensor module is electrically connected with the main control chip, and the sensor module is used to detect current context information, and described will work as Preceding environmental information is transmitted to the main control chip, and the main control chip is additionally operable to pass after handling the current context information The display screen is transported to be shown.
- 5. electronics class board as claimed in claim 1, it is characterised in that the electronics class board further includes sensor module, described Sensor module is electrically connected with the main control chip, and the sensor module is used to detect current context information, and described will work as Preceding environmental information is transmitted to the main control chip, and the main control chip is used to store the current context information, and will The environmental information is sent to the server by the wireless communication module.
- 6. electronics class board as described in claim 4 or 5, it is characterised in that the sensor module include Temperature Humidity Sensor, Air quality sensor, fire sensor or gas concentration lwevel sensor.
- 7. electronics class board as claimed in claim 1, it is characterised in that the electronics class board further includes display drive circuit, The main control chip, the display drive circuit and the display screen are sequentially connected electrically.
- 8. electronics class board as claimed in claim 1, it is characterised in that the main control chip and the display screen, described wireless Communication module is electrically connected by SPI interface.
- 9. a kind of electronics class board system, it is characterised in that the electronics class board system includes server, low-power consumption wide area network gateway And at least one electronics class board as described in claim 1 to 8 any one, the server and the low-power consumption wide area network Gateway is electrically connected, and the low-power consumption wide area network gateway is communicated to connect with the electronics class board, and the server is used for by described Low-power consumption wide area network gateway sends school timetable data message to the electronics class board.
- 10. electronics class board system as claimed in claim 9, it is characterised in that the server by USB interface or serial ports with The low-power consumption wide area network gateway is electrically connected.
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| CN201810091847.3A CN108022461A (en) | 2018-01-30 | 2018-01-30 | A kind of electronics class board and electronics class board system |
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| CN201810091847.3A CN108022461A (en) | 2018-01-30 | 2018-01-30 | A kind of electronics class board and electronics class board system |
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Application publication date: 20180511 |