CN208730644U - Energy-conserving intelligent touch-control blackboard - Google Patents
Energy-conserving intelligent touch-control blackboard Download PDFInfo
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- CN208730644U CN208730644U CN201820741778.1U CN201820741778U CN208730644U CN 208730644 U CN208730644 U CN 208730644U CN 201820741778 U CN201820741778 U CN 201820741778U CN 208730644 U CN208730644 U CN 208730644U
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Abstract
The utility model discloses a kind of energy-conserving intelligent touch-control blackboard, its touch control layer is set on rear side of writing layer, and the liquid crystal display is located at the touch control layer side opposite with writing layer, has LED backlight lamp in the liquid crystal display, the touch control layer has LED backlight lamp in the liquid crystal display；Further include: 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 DC voltage of backlight brightness adjustment signal and AC to DC converter circuit from signal processing module, adjusts the light-source brightness of LED backlight lamp in liquid crystal display.The utility model energy-conserving intelligent touch-control blackboard can adaptively adjust the brightness of display, both the eyesight of effective protection operator, nor affect on the content of the viewing display of student and spectators.
Description
Technical field
The utility model relates to a kind of intelligent touch blackboards, belong to intelligent touch technical field.
Background technique
With the development of information technology, all multi-products in educational equipment industry are towards information-based, intelligent direction
Innovation, such as: intelligent register system, the high photographing instrument of typing document, desk with display terminal etc..Blackboard in classroom is
One of highest facility of frequency of use in daily teaching work, each section teacher all must be on blackboard classmates' writing on the blackboard content,
Convey knowledge.The lecture contents of information age, teachers are rich and varied, therefore also propose higher want to the function of blackboard
It asks, blackboard can not only use chalk writing, additionally it is possible to the multimedia content for making classmates loved by all be presented.But existing intelligence
Blackboard when its liquid crystal display show when, brightness is constant, but often the brightness of environment in the morning, afternoon and evening and
Various Seasonal changes, and since display brightness and ambient brightness difference are excessive, will affect the impression of student or spectators' viewing
And effect；On the other hand, existing touch-control blackboard, when teacher needs in face of blackboard writing, since display brightness is very high, and it is old
Teacher is also close at a distance from display, can generate injury to the glasses of teacher for a long time, but if display brightness be reduced
Will lead to student or spectators again cannot see black display content.Therefore, above-mentioned technical problem how to be overcome to become this field
The direction that technical staff makes great efforts.Therefore, above-mentioned technical problem how to be overcome to become the direction that those skilled in the art make great efforts.
Summary of the invention
The purpose of the utility model is to provide a kind of energy-conserving intelligent touch-control blackboard, which can be certainly
The brightness of adjustment display is adapted to, both the eyesight of effective protection operator, nor affects on the viewing display of student and spectators
Content.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of energy-conserving intelligent touch-control blackboard, including
Writing layer, touch control layer, liquid crystal display and fixed frame, the touch control layer are set on rear side of writing layer, the liquid crystal display
The side opposite with writing layer positioned at touch control layer, has LED backlight lamp in the liquid crystal display, and the touch control layer is used for
Incude the finger touch operation of people and be converted into touch-control electric signal, there is LED backlight lamp in the liquid crystal display；Also wrap
It includes:
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 layer 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 edge of the writing layer is connect with fixed frame.
4. in above scheme, the writing layer is glass panel, acrylic panel.
Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art
The utility model energy-conserving intelligent touch-control 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.
Detailed description of the invention
Attached drawing 1 is the utility model energy-conserving intelligent touch-control blackboard structure schematic diagram；
Attached drawing 2 is the utility model energy-conserving intelligent touch-control blackboard partial structural diagram；
Attached drawing 3 is the utility model energy-conserving intelligent touch-control blackboard electrical principle block diagram；
Attached drawing 4 is the local structural graph of attached drawing 3.
In the figures above: 1, writing layer；2, touch control layer；3, dielectric layer；4, liquid crystal display；5, fixed frame；6, LED is carried on the back
Illuminator；7, alternating current input interface；8, AC to DC converter circuit；9, touch-control driving card；10, signal processing module；11, backlight
LED drive circuit；12, video card；13, power panel.
Specific embodiment
Embodiment 1: a kind of energy-conserving intelligent touch-control blackboard, including writing layer 1, touch control layer 2, liquid crystal display 4 and fixation
Frame 5, the touch control layer 2 are set to 1 rear side of writing layer, and it is opposite with writing layer 1 that the liquid crystal display 4 is located at touch control layer 2
Side has LED backlight lamp 6, the touch control layer 2, for incuding the finger touch operation of people simultaneously in the liquid crystal display 4
It is converted into touch-control electric signal, there is LED backlight lamp 6 in the liquid crystal display 4；Further include:
Alternating current input interface 7, for receiving from extraneous alternating current；
Alternating voltage from alternating current input interface is converted into DC voltage by AC to DC converter circuit 8；
Touch-control driving card 9, for will the touch-control electric signal transmission from touch control layer 2 to signal processing module 10；
Signal processing module 10 extracts touch control operation continuity information in the touch-control electric signal from touch-control driving card 9,
And according to the matching relationship of touch control operation continuity and backlight illumination size, so that generating corresponding backlight brightness adjusts letter
Number；Letter 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
Number, when collecting the backlight brightness that at least 2 touch control operations then generate for reducing backlight brightness within the set time
Adjustment signal；
Backlight LED drive circuit 11 is connected to LED backlight lamp 6, bright according to the backlight from signal processing module 10
The DC voltage of adjustment signal and AC to DC converter circuit is spent, the light-source brightness of LED backlight lamp 6 in liquid crystal display 4 is adjusted.
Above-mentioned signal processing module 10 is integrated on video card 12.
The edge of above-mentioned writing layer 1 is connect with fixed frame 5.
Above-mentioned writing layer 1 is glass panel.
Embodiment 2: a kind of energy-conserving intelligent touch-control blackboard, including writing layer 1, touch control layer 2, liquid crystal display 4 and fixation
Frame 5, the touch control layer 2 are set to 1 rear side of writing layer, and it is opposite with writing layer 1 that the liquid crystal display 4 is located at touch control layer 2
Side has LED backlight lamp 6, the touch control layer 2, for incuding the finger touch operation of people simultaneously in the liquid crystal display 4
It is converted into touch-control electric signal, there is LED backlight lamp 6 in the liquid crystal display 4；Further include:
Alternating current input interface 7, for receiving from extraneous alternating current；
Alternating voltage from alternating current input interface is converted into DC voltage by AC to DC converter circuit 8；
Touch-control driving card 9, for will the touch-control electric signal transmission from touch control layer 2 to signal processing module 10；
Signal processing module 10 extracts touch control operation continuity information in the touch-control electric signal from touch-control driving card 9,
And according to the matching relationship of touch control operation continuity and backlight illumination size, so that generating corresponding backlight brightness adjusts letter
Number；Letter 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
Number, when collecting the backlight brightness that at least 2 touch control operations then generate for reducing backlight brightness within the set time
Adjustment signal；
Backlight LED drive circuit 11 is connected to LED backlight lamp 6, bright according to the backlight from signal processing module 10
The DC voltage of adjustment signal and AC to DC converter circuit is spent, the light-source brightness of LED backlight lamp 6 in liquid crystal display 4 is adjusted.
Above-mentioned alternating current input interface 7, AC to DC converter circuit 8 and backlight LED drive circuit 11 are installed on power panel 13
On.
The edge of above-mentioned writing layer 1 is connect with fixed frame 5.
Above-mentioned writing layer 1 is acrylic panel.
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 a kind of above-mentioned energy-conserving intelligent touch-control blackboard, the liquid crystal when user is in touch area progress touch control operation
Screen brightness is automatically lowered to 50% brightness, such as can define brightness according to customer demand, when in 30s user in touch area not
When carrying out any touch control operation and action of writing, liquid crystal display brightness automatic lifting to original brightness, such as factory default brightness, from
The brightness of adjustment display is adapted to, both the eyesight of effective protection operator, nor affects on the viewing display of student and spectators
Content.
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 (5)
1. a kind of energy-conserving intelligent touch-control blackboard, it is characterised in that: including writing layer (1), touch control layer (2), liquid crystal display (4)
With fixed frame (5), the touch control layer (2) is set on rear side of writing layer (1), and the liquid crystal display (4) is located at touch control layer (2)
The side opposite with writing layer (1), the touch control layer (2), for incuding the finger touch operation of people and being converted into touch-control telecommunications
Number, there are LED backlight lamp (6) in the liquid crystal display (4)；Further include:
Alternating current input interface (7), for receiving from extraneous alternating current；
Alternating voltage from alternating current input interface is converted into DC voltage by AC to DC converter circuit (8)；
Touch-control driving card (9), for signal processing module (10) will to be given from the touch-control electric signal transmission of touch control layer (2)；
Signal processing module (10) extracts touch control operation continuity information in the touch-control electric signal from touch-control driving card (9),
And according to the matching relationship of touch control operation continuity and backlight illumination size, so that generating corresponding backlight brightness adjusts letter
Number；
Backlight LED drive circuit (11) is connected to LED backlight lamp (6), according to the backlight light for coming from signal processing module (10)
The DC voltage of brightness regulated signal and AC to DC converter circuit adjusts the light of LED backlight lamp (6) in liquid crystal display (4)
Source brightness.
2. energy-conserving intelligent touch-control blackboard according to claim 1, it is characterised in that: signal processing module (10) collection
At on video card (12).
3. energy-conserving intelligent touch-control blackboard according to claim 1, it is characterised in that: the alternating current input interface (7),
AC to DC converter circuit (8) and backlight LED drive circuit (11) are installed on power panel (13).
4. energy-conserving intelligent touch-control blackboard according to claim 1, it is characterised in that: the edge of the writing layer (1) with
Fixed frame (5) connection.
5. energy-conserving intelligent touch-control blackboard according to claim 1, it is characterised in that: the writing layer (1) is glass surface
Plate, acrylic panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820741778.1U CN208730644U (en) | 2018-05-18 | 2018-05-18 | Energy-conserving intelligent touch-control blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820741778.1U CN208730644U (en) | 2018-05-18 | 2018-05-18 | Energy-conserving intelligent touch-control blackboard |
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| Publication Number | Publication Date |
|---|---|
| CN208730644U true CN208730644U (en) | 2019-04-12 |
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ID=66022642
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820741778.1U Active CN208730644U (en) | 2018-05-18 | 2018-05-18 | Energy-conserving intelligent touch-control blackboard |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111415393A (en) * | 2020-03-16 | 2020-07-14 | 安博思华智能科技有限责任公司 | Method, device, medium and electronic equipment for adjusting multimedia blackboard display |
-
2018
- 2018-05-18 CN CN201820741778.1U patent/CN208730644U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111415393A (en) * | 2020-03-16 | 2020-07-14 | 安博思华智能科技有限责任公司 | Method, device, medium and electronic equipment for adjusting multimedia blackboard display |
| CN111415393B (en) * | 2020-03-16 | 2023-08-01 | 安博思华智能科技有限责任公司 | Method and device for adjusting display of multimedia blackboard, medium and electronic equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191114 Address after: 253000 No. 6596, Dongfanghong East Road, Yuanqiao Town, Dezhou Economic and Technological Development Zone, Dezhou City (e-w-401, Dezhou Zhongyuan science and Technology Innovation Park Co., Ltd.) Patentee after: Shandong Fanpu Information Technology Co., Ltd Address before: 215000 C22 building, bio nano Park, 218 Xing Hu Street, Suzhou Industrial Park, Jiangsu. Patentee before: Suzhou universal Polytron Technologies Inc |
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| TR01 | Transfer of patent right |