CN201201434Y - Blackboard capable of being identified clearly - Google Patents
Blackboard capable of being identified clearly Download PDFInfo
- Publication number
- CN201201434Y CN201201434Y CNU2008200240753U CN200820024075U CN201201434Y CN 201201434 Y CN201201434 Y CN 201201434Y CN U2008200240753 U CNU2008200240753 U CN U2008200240753U CN 200820024075 U CN200820024075 U CN 200820024075U CN 201201434 Y CN201201434 Y CN 201201434Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- ground glass
- fluorescent tube
- blackboard body
- clearly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a blackboard clear to identify, which belongs to teaching appliances. A ground glass blackboard body is inlaid on a fixing frame, and the back of the ground glass blackboard body is provided with light tubes arranged on the fixing frame. As the light tubes are arranged on the back of the ground glass blackboard body, the light of the light tubes passes through the ground glass blackboard body, so as to show characters, graphs and the like written on the blackboard more clearly, which is beneficial to identification and improves the effect of listening to teachers.
Description
Technical field
The utility model relates to a kind of identification blackboard clearly, belongs to teaching appliance.
Background technology
On the study classroom, blackboard is important teaching appliance, and teacher writes on the blackboard the important content of telling about, and forms sound and reaches the lively teaching efficiency that both pictures and texts are excellent.Existing blackboard is improved to the ground glass blackboard by wooden blackboard and cementaceous blackboard, writes conveniently, shows softly, is of value to teacher's the sight protection with the student write.But, still have the dissatisfactory problem of definition of writing, especially along with the expansion in classroom, the continuous decline of student eyesight is positioned at the student at row behind the classroom and seat, both sides, and is far away relatively apart from blackboard, it is clear that content on the blackboard is difficult for identification, directly influenced the effect of listening to the teacher.
The utility model content
The purpose of this utility model is to provide a kind of identification blackboard clearly, improves the display resolution of content on the blackboard, is beneficial to student's identification, improves the effect of listening to the teacher.
Identification described in the utility model is blackboard clearly, and the ground glass blackboard body is installed on the fixed border, it is characterized in that there is the fluorescent tube that is installed on the fixed border behind of ground glass blackboard body.
The illumination of fluorescent tube sees through the ground glass blackboard body, can make more clear that the literal write in the above and figure etc. set off, and is beneficial to identification.
In order to guarantee illumination light brightness, fluorescent tube is provided with many arrangements, form delegation for 2-6,2-6 row that are arranged in parallel, blackboard is big, can establish several more; Blackboard is little, can establish several less.Fluorescent tube gets final product according to common illuminating line requirement carrying out circuit connection, or series connection, or in parallel, or series and parallel mixes connection etc.
The utility model is recognized blackboard clearly, and by fluorescent tube is installed in the behind of ground glass blackboard body, the illumination of fluorescent tube sees through the ground glass blackboard body, can make more clear that the literal write in the above and figure etc. set off, and is beneficial to identification, improves the effect of listening to the teacher.
Description of drawings
Fig. 1, the utility model one example structure schematic diagram.
Among the figure: 1, fixed border 2, ground glass blackboard body 3, fluorescent tube 4, fluorescent tube switch.
The specific embodiment
The utility model is described in further detail in conjunction with the foregoing description accompanying drawing.
As shown in the figure, identification described in the utility model is blackboard clearly, ground glass blackboard body 2 is installed on the fixed border 1, there is the fluorescent tube 3 that is installed on the fixed border 1 behind of ground glass blackboard body 2, fluorescent tube 3 has many arrangements, can 2-6 forms delegation, and 2-6 row are arranged in parallel, fluorescent tube 3 in the diagram has triplex row four row, and fluorescent tube 3 is by 4 controls of fluorescent tube switch.
Open fluorescent tube switch 4, the illumination of fluorescent tube 3 sees through ground glass blackboard body 2, makes more clear that the literal write in the above and figure etc. set off.
Claims (2)
1, a kind of identification blackboard clearly, the ground glass blackboard body is installed on the fixed border, it is characterized in that there is the fluorescent tube that is installed on the fixed border behind of ground glass blackboard body.
2, identification according to claim 1 blackboard clearly is characterized in that many arrangements of fluorescent tube, forms delegation for 2-6, and 2-6 row are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200240753U CN201201434Y (en) | 2008-06-11 | 2008-06-11 | Blackboard capable of being identified clearly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200240753U CN201201434Y (en) | 2008-06-11 | 2008-06-11 | Blackboard capable of being identified clearly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201201434Y true CN201201434Y (en) | 2009-03-04 |
Family
ID=40423745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200240753U Expired - Fee Related CN201201434Y (en) | 2008-06-11 | 2008-06-11 | Blackboard capable of being identified clearly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201201434Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110143083A (en) * | 2019-05-13 | 2019-08-20 | 李海龙 | The dustless full illumination board of education of Novel eye protection |
-
2008
- 2008-06-11 CN CNU2008200240753U patent/CN201201434Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110143083A (en) * | 2019-05-13 | 2019-08-20 | 李海龙 | The dustless full illumination board of education of Novel eye protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090304 |