CN209373819U - Durable type smart electronic blackboard - Google Patents
Durable type smart electronic blackboard Download PDFInfo
- Publication number
- CN209373819U CN209373819U CN201820741945.2U CN201820741945U CN209373819U CN 209373819 U CN209373819 U CN 209373819U CN 201820741945 U CN201820741945 U CN 201820741945U CN 209373819 U CN209373819 U CN 209373819U
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- touch
- support plate
- beam slab
- clipboard
- touch control
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Abstract
The utility model discloses a kind of durable type smart electronic blackboard, including clipboard, intelligent blackboard and installation frame, and the clipboard is connected with intelligent blackboard by installation frame；The clipboard is provided with a through-hole on the installation frame far from intelligent blackboard side, the intelligent blackboard further comprises touch control film and is located at the subsequent liquid crystal display of touch control film；The touch control film incudes the finger touch operation of people and is converted into touch-control electric signal, has LED backlight lamp in the liquid crystal display；Further include: the alternating voltage from alternating current input interface is converted into DC voltage by AC to DC converter circuit；Touch-control driving card, for will the touch-control electric signal transmission from touch control film to signal processing module；Backlight LED drive circuit is connected to LED backlight lamp.The utility model is convenient to be tested communication cartridge, overhauled or is directly replaced, and both eyesights of effective protection operator, nor affects on the content of the viewing display of student and spectators.
Description
Technical field
The utility model relates to a kind of electronic blackboards, belong to modern education equipment and technical field of touch control.
Background technique
Blackboard is a kind of traditional educational aid.Projector plays very big effect as auxiliary tool in teaching.With
Science and technology progress and country to the reform of educational system step by step deeply, present multimedia teaching has become China education
The mainstream of modernization development.It is reasonably selected in teaching process and uses multimedia teaching, and combined with traditional teaching method, formed
Reasonable teaching process structure, can achieve optimal teaching efficiency.Therefore convenient, practical intelligent blackboard is designed to impart knowledge to students to raising
Quality has very great help；On the other hand, existing touch-control blackboard, when teacher needs in face of blackboard writing, due to display brightness
It is very high, and teacher is also close at a distance from display, can generate injury to the glasses of teacher for a long time, but if by display
Brightness, which reduces and will lead to student or spectators, cannot see black display content.Therefore, how to overcome above-mentioned technical problem at
The direction made great efforts for those skilled in the art.
Summary of the invention
The purpose of the utility model is to provide a kind of durable type smart electronic blackboard, which is not necessarily to
Professional person's operation, commonly used person can realizing self disassembling and installation, it is convenient that communication cartridge is tested, is overhauled or directly more
It changes, and both eyesights of effective protection operator, nor affects on the content of the viewing display of student and spectators.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of durable type smart electronic blackboard, including
Clipboard, intelligent blackboard and installation frame, the clipboard are connected with intelligent blackboard by installation frame；
The clipboard is provided with a through-hole on the installation frame far from intelligent blackboard side, a communication cartridge is embedded in the installation
In the through-hole of frame, and be set on rear side of clipboard forceful electric power connector, light current connector grafting；The intelligent blackboard further wraps
It includes touch control film and is located at the subsequent liquid crystal display of touch control film；
The touch control film incudes the finger touch operation of people and is converted into touch-control electric signal, has in the liquid crystal display
There is LED backlight lamp；Further include:
Alternating current input interface, for receiving from extraneous alternating current；
Alternating voltage from alternating current input interface is converted into DC voltage by AC to DC converter circuit；
Touch-control driving card, for will the touch-control electric signal transmission from touch control film to signal processing module；
Signal processing module extracts touch control operation continuity information in the touch-control electric signal from touch-control driving card, and
According to the matching relationship of touch control operation continuity and backlight illumination size, to generate corresponding backlight brightness adjustment signal；
Backlight LED drive circuit is connected to LED backlight lamp, according to the backlight brightness tune from signal processing module
The DC voltage of signal and AC to DC converter circuit is saved, the light-source brightness of LED backlight lamp in liquid crystal display is adjusted.
Further improved scheme is as follows in above-mentioned technical proposal:
1. in above scheme, the signal processing module is integrated on video card.
2. in above scheme, the alternating current input interface, AC to DC converter circuit and the installation of backlight LED drive circuit
In on power panel.
3. in above scheme, the installation frame of the clipboard further comprise upper beam slab, lower beam slab, starting stave and
Second riser, the upper beam slab, lower beam slab are arranged in parallel, the both ends of the starting stave respectively with upper beam slab, lower beam slab respectively
One end connection, the both ends of two riser are connect with upper beam slab, the respective other end of lower beam slab respectively.
4. in above scheme, bridging has the first support plate between the starting stave and the second riser, this first support plate
It being arranged in parallel and is located at below upper beam slab with upper beam slab, bridging has third support plate between first support plate and lower beam slab,
This third support plate and starting stave are arranged in parallel and are located between starting stave and the second riser, the third support plate and the
Bridging has the second support plate between one riser, this second support plate and the first support plate are arranged in parallel and are located under the first support plate
Side.
5. in above scheme, the forceful electric power connector and light current connector are separately installed in the third support plate, it is described
Forceful electric power interface corresponding with forceful electric power connector, light current connector, light current interface are respectively arranged in communication cartridge.
6. in above scheme, the forceful electric power connector is fixedly installed in third support plate by a mounting base, the installation
2 guide posts are provided on seat, limit hole corresponding with 2 guide posts is provided on the forceful electric power interface, the guide post end is cone
Shape face.
Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art
1, the utility model durable type smart electronic blackboard, the liquid crystal display when user is in touch area progress touch control operation
Brightness is automatically lowered to 50% brightness, such as can define brightness according to customer demand, when in 30s user in touch area not into
When any touch control operation of row and action of writing, liquid crystal display brightness automatic lifting to original brightness, such as factory default brightness, it is adaptive
The brightness of display should be adjusted, both the eyesight of effective protection operator, nor affect on the interior of the viewing display of student and spectators
Hold；Secondly, communication cartridge is set on rear side of the clipboard of side by it by way of grafting, it is easy to disassemble in installation, nothing
Need professional person to operate, commonly used person can realizing self disassembling and installation, it is convenient that communication cartridge is tested, is overhauled or directly
Replacement；In addition, the mode of grafting, so that connection line length is fixed, cabling is stablized, avoid the occurrence of connection line length not enough or
Connecting line is too long and situations such as hanging wire, guarantee the stability of signal transmitting and the safety of wiring.
2, the utility model durable type smart electronic blackboard, forceful electric power connector are fixedly installed in third branch by a mounting base
On fagging, it is provided with 2 guide posts in the mounting base, limit hole corresponding with 2 guide posts is provided on the forceful electric power interface, is led
Column end is tapered surface, and the setting of guide post and limit hole plays the role of guiding and limit to entire communication cartridge, convenient to communication
The installation of box, while guaranteeing the connection precision between forceful electric power connector, light current connector and forceful electric power interface, light current interface.
3, the utility model durable type smart electronic blackboard, the first support plate and the second support plate all have a flange
Portion, support plate turn over the setting of edge, have the function of support limit and guiding to communication cartridge, facilitate the installation of communication cartridge；Its
Secondary, clipboard and the first support plate, the second support plate are provided with a partition, the setting of partition, to book between third support plate
Plate is write to play a good protective effect.
Detailed description of the invention
Attached drawing 1 is the utility model durable type smart electronic blackboard structural schematic diagram；
Attached drawing 2 is the utility model durable type smart electronic blackboard partial structural diagram；
Attached drawing 3 is installation frame structural schematic diagram in the utility model durable type smart electronic blackboard；
Attached drawing 4 is the utility model durable type smart electronic blackboard partial structurtes decomposition diagram；
Attached drawing 5 is the utility model durable type smart electronic blackboard electrical principle block diagram.
In the figures above: 1, clipboard；2, intelligent blackboard；3, installation frame；4, through-hole；5, communication cartridge；6, forceful electric power connector；
7, light current connector；8, upper beam slab；9, lower beam slab；10, starting stave；11, the second riser；12, the first support plate；13, second
Fagging；14, third support plate；15, box body storehouse；16, turn-up portion；17, forceful electric power interface；18, light current interface；19, mounting base；20,
Guide post；21, limit hole；22, a hole is kept away；23, partition；51, alternating current input interface；52, AC to DC converter circuit；53, touch-control
Driving card；54, signal processing module；55, backlight LED drive circuit；56, LED backlight lamp；57, power panel；58, video card；
59, touch control film；60, liquid crystal display.
Specific embodiment
Embodiment 1: a kind of durable type smart electronic blackboard, including clipboard 1, intelligent blackboard 2 and installation frame 3, it is described
Clipboard 1 and intelligent blackboard 2 are connected by installation frame 3；
The clipboard 1 is provided with a through-hole 4 on the installation frame 3 far from 2 side of intelligent blackboard, a communication cartridge 5 is embedded in institute
State in the through-hole 4 of installation frame 3, and with the forceful electric power connector 6,7 grafting of light current connector that are set to the rear side of clipboard 1；The intelligence
Blackboard 2 further comprise touch control film 59 and be located at the subsequent liquid crystal display 60 of touch control film 59；
The touch control film 59 incudes the finger touch operation of people and is converted into touch-control electric signal, the liquid crystal display 60
In have LED backlight lamp 56；Further include:
Alternating current input interface 51, for receiving from extraneous alternating current；
Alternating voltage from alternating current input interface is converted into DC voltage by AC to DC converter circuit 52；
Touch-control driving card 53, for will the touch-control electric signal transmission from touch control film 59 to signal processing module 54；
Signal processing module 54 extracts touch control operation continuity letter in the touch-control electric signal from touch-control driving card 53
Breath, and according to the matching relationship of touch control operation continuity and backlight illumination size, it is adjusted to generate corresponding backlight brightness
Signal；It is adjusted when the time for being more than setting does not collect the backlight brightness that touch control operation is then generated for improving backlight brightness
Signal, when collect within the set time at least 2 touch control operations then generate it is bright for reducing the backlight of backlight brightness
Spend adjustment signal；
Backlight LED drive circuit 55 is connected to LED backlight lamp 56, according to the backlight light from signal processing module 54
The DC voltage of brightness regulated signal and AC to DC converter circuit adjusts the light source of LED backlight lamp 56 in liquid crystal display 60
Brightness.
Above-mentioned alternating current input interface 51, AC to DC converter circuit 52 and backlight LED drive circuit 55 are installed on power panel
On 57.
The forceful electric power connector 6 and light current connector 7 are separately installed in above-mentioned third support plate 14, in the communication cartridge 5
It is respectively arranged with forceful electric power interface 17 corresponding with forceful electric power connector 6, light current connector 7, light current interface 18.
Above-mentioned forceful electric power connector 6 is fixedly installed in third support plate 14 by a mounting base 19, is set in the mounting base 19
2 guide posts 20 are equipped with, limit hole 21 corresponding with 2 guide posts 20,20 end of guide post are provided on the forceful electric power interface 17
For tapered surface.
Embodiment 2: a kind of durable type smart electronic blackboard, including clipboard 1, intelligent blackboard 2 and installation frame 3, it is described
Clipboard 1 and intelligent blackboard 2 are connected by installation frame 3；
The clipboard 1 is provided with a through-hole 4 on the installation frame 3 far from 2 side of intelligent blackboard, a communication cartridge 5 is embedded in institute
State in the through-hole 4 of installation frame 3, and with the forceful electric power connector 6,7 grafting of light current connector that are set to the rear side of clipboard 1；The intelligence
Blackboard 2 further comprise touch control film 59 and be located at the subsequent liquid crystal display 60 of touch control film 59；
The touch control film 59 incudes the finger touch operation of people and is converted into touch-control electric signal, the liquid crystal display 60
In have LED backlight lamp 56；Further include:
Alternating current input interface 51, for receiving from extraneous alternating current；
Alternating voltage from alternating current input interface is converted into DC voltage by AC to DC converter circuit 52；
Touch-control driving card 53, for will the touch-control electric signal transmission from touch control film 59 to signal processing module 54；
Signal processing module 54 extracts touch control operation continuity letter in the touch-control electric signal from touch-control driving card 53
Breath, and according to the matching relationship of touch control operation continuity and backlight illumination size, it is adjusted to generate corresponding backlight brightness
Signal；It is adjusted when the time for being more than setting does not collect the backlight brightness that touch control operation is then generated for improving backlight brightness
Signal, when collect within the set time at least 2 touch control operations then generate it is bright for reducing the backlight of backlight brightness
Spend adjustment signal；
Backlight LED drive circuit 55 is connected to LED backlight lamp 56, according to the backlight light from signal processing module 54
The DC voltage of brightness regulated signal and AC to DC converter circuit adjusts the light source of LED backlight lamp 56 in liquid crystal display 60
Brightness.
Above-mentioned signal processing module 54 is integrated on video card 58.
Above-mentioned alternating current input interface 51, AC to DC converter circuit 52 and backlight LED drive circuit 55 are installed on power panel
On 57.
The installation frame 3 of above-mentioned clipboard 1 further comprises upper beam slab 8, lower beam slab 9, starting stave 10 and the second riser
11, the upper beam slab 8, lower beam slab 9 are arranged in parallel, and the both ends of the starting stave 10 are respective with upper beam slab 8, lower beam slab 9 respectively
One end connection, the both ends of two riser 11 are connect with upper beam slab 8, the respective other end of lower beam slab 9 respectively.
Bridging has the first support plate 12 between above-mentioned starting stave 10 and the second riser 11, this first support plate 12 and upper beam
Plate 8 is arranged in parallel and is located at upper 8 lower section of beam slab, and bridging has third support plate 14 between first support plate 12 and lower beam slab 9,
This third support plate 14 and starting stave 10 are arranged in parallel and between starting stave 10 and the second risers 11, the third branch
Bridging has the second support plate 13 between fagging 14 and starting stave 10, this second support plate 13 is arranged in parallel with the first support plate 12
And it is located at 12 lower section of the first support plate.
As user, when touch area carries out touch control operation, liquid crystal display brightness is automatically lowered to 50% brightness, example in embodiment
Such as brightness can be defined according to customer demand, when user does not carry out any touch control operation and action of writing in touch area in 30s
When, liquid crystal display brightness automatic lifting to original brightness, such as factory default brightness.
After user carries out touch control operation in touch area, touch-control driving card can touch data signal be transferred to by treated
Video card or open pluggable computer module, and video card or open pluggable computer module can automatically at regular intervals
The regular continuity for monitoring whether touch data signal and data-signal.
When having touch data signal and data-signal is continuous, then it represents that user starts to carry out touch control operation, at this time eyeshield function
It can open, video card or open pluggable computer module transmission feedback command signal make video card issue back to video card
Light adjustment signal changes power panel backlight and exports electric current, backlight illumination is reduced to specified eyeshield brightness range automatically；When there is touching
It controls data-signal but data-signal is discontinuous, then it represents that may be user's error touch control, then eye-protecting function is not turned on, and brightness is not adjusted
It is whole.
After eye-protecting function is opened, and in such as continuous a period of time (such as: 30s) video card or open pluggable computer mould
Touch data signal has been not detected in block, and video card or open pluggable computer module transmission feedback command signal are to video
Card makes video card issue backlight adjustment signal, changes power panel backlight and exports electric current, backlight illumination is increased to our company automatically and is gone out
Factory's default luminance range.
When using above-mentioned durable type smart electronic blackboard, when liquid crystal display is bright when touch area carries out touch control operation by user
Degree is automatically lowered to 50% brightness, such as can define brightness according to customer demand, when user does not carry out in touch area in 30s
When any touch control operation and action of writing, liquid crystal display brightness automatic lifting to original brightness, such as factory default brightness, adaptively
The brightness of display is adjusted, both the eyesight of effective protection operator, nor affects on the content of the viewing display of student and spectators；
Secondly, communication cartridge is set on rear side of the clipboard of side by it by way of grafting, and it is easy to disassemble in installation, without special
Industry personage operation, commonly used person can realizing self disassembling and installation, it is convenient that communication cartridge is tested, is overhauled or directly more
It changes；In addition, the mode of grafting, so that connection line length is fixed, cabling is stablized, and avoids the occurrence of connection line length not enough or connects
Wiring is too long and situations such as hanging wire, guarantee the stability of signal transmitting and the safety of wiring；Secondly, guide post and limit hole are set
It sets, plays the role of guiding and limit, the convenient installation to communication cartridge to entire communication cartridge, while guaranteeing forceful electric power connector, light current
Connection precision between connector and forceful electric power interface, light current interface；Again, support plate turns over the setting of edge, has to communication cartridge
The effect of support limit and guiding facilitates the installation of communication cartridge；Again, the setting of partition plays good protection to clipboard
Effect.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (7)
1. a kind of durable type smart electronic blackboard, it is characterised in that: including clipboard (1), intelligent blackboard (2) and installation frame
(3), the clipboard (1) and intelligent blackboard (2) are connected by installation frame (3)；
It is provided with a through-hole (4) on the installation frame (3) of separate intelligent blackboard (2) side of the clipboard (1), a communication cartridge (5)
Be embedded in the through-holes (4) of the installation frame (3), and with the forceful electric power connector (6), the light current connector that are set on rear side of clipboard (1)
(7) grafting；The intelligent blackboard (2) further comprise touch control film (59) and be located at touch control film (59) subsequent liquid crystal display
(60)；
The touch control film (59) incudes the finger touch operation of people and is converted into touch-control electric signal, the liquid crystal display (60)
In have LED backlight lamp (56)；Further include:
Alternating current input interface (51), for receiving from extraneous alternating current；
Alternating voltage from alternating current input interface is converted into DC voltage by AC to DC converter circuit (52)；
Touch-control driving card (53), for signal processing module (54) will to be given from the touch-control electric signal transmission of touch control film (59)；
Signal processing module (54) extracts touch control operation continuity letter in the touch-control electric signal from touch-control driving card (53)
Breath, and according to the matching relationship of touch control operation continuity and backlight illumination size, it is adjusted to generate corresponding backlight brightness
Signal；
Backlight LED drive circuit (55) is connected to LED backlight lamp (56), according to the backlight for coming from signal processing module (54)
The DC voltage of brightness adjustment signal and AC to DC converter circuit adjusts LED backlight lamp (56) in liquid crystal display (60)
Light-source brightness.
2. durable type smart electronic blackboard according to claim 1, it is characterised in that: signal processing module (54) collection
At on video card (58).
3. durable type smart electronic blackboard according to claim 1, it is characterised in that: the alternating current input interface
(51), AC to DC converter circuit (52) and backlight LED drive circuit (55) are installed on power panel (57).
4. durable type smart electronic blackboard according to claim 1, it is characterised in that: the installing frame of the clipboard (1)
Frame (3) further comprises upper beam slab (8), lower beam slab (9), starting stave (10) and the second riser (11), the upper beam slab (8),
Lower beam slab (9) is arranged in parallel, and the both ends of the starting stave (10) connect with upper beam slab (8), the respective one end of lower beam slab (9) respectively
It connects, the both ends of two riser (11) are connect with upper beam slab (8), lower beam slab (9) respective other end respectively.
5. durable type smart electronic blackboard according to claim 4, it is characterised in that: the starting stave (10) and second
Bridging has the first support plate (12) between riser (11), this first support plate (12) is arranged in parallel and is located at upper with upper beam slab (8)
Below beam slab (8), there is third support plate (14) bridging between first support plate (12) and lower beam slab (9), the support of this third
Plate (14) and starting stave (10) are arranged in parallel and between starting stave (10) and the second risers (11), the third support
Bridging has the second support plate (13) between plate (14) and starting stave (10), this second support plate (13) and the first support plate (12)
It is arranged in parallel and is located at below the first support plate (12).
6. durable type smart electronic blackboard according to claim 5, it is characterised in that: divide on the third support plate (14)
The forceful electric power connector (6) and light current connector (7) are not installed, are respectively arranged with and forceful electric power connector on the communication cartridge (5)
(6), the corresponding forceful electric power interface (17) of light current connector (7), light current interface (18).
7. durable type smart electronic blackboard according to claim 6, it is characterised in that: the forceful electric power connector (6) passes through one
Mounting base (19) is fixedly installed on third support plate (14), and 2 guide posts (20) are provided on the mounting base (19), described strong
Limit hole (21) corresponding with 2 guide post (20) is provided on electrical interface (17), guide post (20) end is tapered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820741945.2U CN209373819U (en) | 2018-05-18 | 2018-05-18 | Durable type smart electronic blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820741945.2U CN209373819U (en) | 2018-05-18 | 2018-05-18 | Durable type smart electronic blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209373819U true CN209373819U (en) | 2019-09-10 |
Family
ID=67811880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820741945.2U Active CN209373819U (en) | 2018-05-18 | 2018-05-18 | Durable type smart electronic blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209373819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687225A (en) * | 2020-12-29 | 2021-04-20 | 深圳市鸿合创新信息技术有限责任公司 | Screen brightness adjusting method and device, electronic equipment and storage medium |
-
2018
- 2018-05-18 CN CN201820741945.2U patent/CN209373819U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687225A (en) * | 2020-12-29 | 2021-04-20 | 深圳市鸿合创新信息技术有限责任公司 | Screen brightness adjusting method and device, electronic equipment and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200720 Address after: 413000 west side of 1st floor, building 4, Zhongnan Kechuang Park, 355 Yingbin East Road, high tech Zone, Yiyang City, Hunan Province Patentee after: Hunan Fanpu Technology Co., Ltd Address before: 215000 C22 building, bio nano Park, 218 Xing Hu Street, Suzhou Industrial Park, Jiangsu. Patentee before: UC NANO TECHNOLOGIES Inc. |
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| TR01 | Transfer of patent right |