CN202742897U - Self-luminous blackboard - Google Patents

Self-luminous blackboard Download PDF

Info

Publication number
CN202742897U
CN202742897U CN 201220221308 CN201220221308U CN202742897U CN 202742897 U CN202742897 U CN 202742897U CN 201220221308 CN201220221308 CN 201220221308 CN 201220221308 U CN201220221308 U CN 201220221308U CN 202742897 U CN202742897 U CN 202742897U
Authority
CN
China
Prior art keywords
blackboard
glass
luminous
self
glass blackboard
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
Application number
CN 201220221308
Other languages
Chinese (zh)
Inventor
王怀军
俞友宾
时钟涛
王卓扬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo University of Technology
Original Assignee
Ningbo University of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo University of Technology filed Critical Ningbo University of Technology
Priority to CN 201220221308 priority Critical patent/CN202742897U/en
Application granted granted Critical
Publication of CN202742897U publication Critical patent/CN202742897U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model discloses a self-luminous blackboard. The self-luminous blackboard comprises an outer frame, a glass blackboard fixedly arranged in the outer frame, a reflection board arranged behind the glass blackboard and luminous components symmetrically arranged on the side edges of the glass blackboard, wherein the front surface of the glass blackboard is a blackboard face; the back side of the glass blackboard is a scattering face; and the scattering face comprises a plurality of diffusion mesh points or a plurality of diffusion zones formed on the back surface of the glass blackboard. According to the utility model, light propagation is realized through the light transmittance of the glass per se, so that the problems of large size, heavy structure and the like, caused by excessive components arranged on the glass blackboard, are effectively avoided; and as the size and structure variation is small, the popularization and the using effect of the self-luminous blackboard can be facilitated.

Description

A kind of self-luminous blackboard
Technical field
The utility model relates to a kind of blackboard, relates in particular to a kind of self-luminous blackboard of surperficial uniform-illumination.
Background technology
Blackboard in the past is by natural daylight or fluorescent lamp lighting, these two kinds of lighting systems have a common shortcoming to have exactly reflective phenomenon, especially reflective even more serious under the fluorescent lamp lighting condition, uniformity of illuminance is inadequate, the illumination of blackboard the first half is apparently higher than the latter half, be positioned at the phenomenon that people on the reflective route does not see Chu's light reflection place writing, the student can not obtain teacher's writing on the blackboard information timely and accurately, have a greatly reduced quality to teaching efficiency, eyesight to the student is also unfavorable, and this is the problem that often runs in the teaching process.
Chinese patent 201020657147.5 discloses a kind of Luminous blackboard, comprise: blackboard surface, described blackboard surface is the frosted glass of printing opacity, the back side of blackboard surface is equipped with luminous tube, luminous tube is connected with attaching plug, at the back side of blackboard surface luminous tube is installed and blackboard surface is the frosted glass of printing opacity, the luminous energy that luminous tube sends sees through blackboard surface so that word is clear.
But, the Luminous blackboard of this patent disclosure, the volume setting is large and the luminous uneven illumination that causes easily in back is even.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of self-luminous blackboard.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of self-luminous blackboard comprises housing, is fixedly installed on the Glass blackboard in the described housing, is arranged on the reflector at Glass blackboard rear portion and is symmetricly set on luminescence component on the Glass blackboard side; Wherein, the front surface of described Glass blackboard is blackboard surface, and the back side of described Glass blackboard is scattering surface, and described scattering surface comprises a plurality of diffusions site or a plurality of diffusion zone that is formed on Glass blackboard back of the body surface.
Described reflector is the reflective membrane that pastes at the Glass blackboard back.
Described luminescence component is to paste in the Glass blackboard left and right sides and/or the LED paster of both sides up and down, and its length and width and Glass blackboard are complementary.
Described LED lamp is the LED lamp that is arranged on four jiaos of places of Glass blackboard.
Described diffusion site or the diffusion zone distribution mode on described scattering surface is: local sparse near described luminescence component, local dense away from described luminescence component.
The distribution mode of described diffusion zone on described scattering surface is: the width of described diffusion zone inwardly progressively increases symmetrically from both sides.
A kind of self-luminous blackboard, comprise housing, be fixedly installed on the Glass blackboard in the described housing, be arranged on the luminescence component on the Glass blackboard side, be arranged on the scatter plate with diffusion point or diffusion zone at Glass blackboard back, and the reflector that is arranged on the scatter plate back.
Described reflector is the reflective membrane that pastes at the scatter plate back.
Described luminescence component is to paste in the Glass blackboard left and right sides and/or the LED paster of both sides up and down, and its length and width and Glass blackboard are complementary.
Described luminescence component is the LED lamp that is arranged on four jiaos of places of Glass blackboard.
Blackboard of the present utility model, adopt the LED lamp light-emitting junction combined glass glass blackboard back side, side to expand and penetrate the diffusion of being with or spreading point, light through the inside glass scattering and the reflection after from blackboard surface, be that frosting evenly appears, so there is not reflective phenomenon in the writing of observing on the blackboard from all directions, solved normal blackboard and be positioned at the phenomenon that people on the reflective route does not see Chu light reflection place writing, no matter the student in which angle in classroom, can be clear that the content on the blackboard; And need not install local illumination device for blackboard additional, reduced the dazzle of these lighting devices to teacher's eyes.Simultaneously, the utility model utilizes the light transmission of glass self to carry out light transmition, can effectively avoid Glass blackboard that the volume that multicompartment brings was set and become the problems such as macrostructure is too fat to move, volume structure changes little, can be conducive to equally popularization and the result of use of this self-luminous blackboard.
Description of drawings
Fig. 1 is self-luminous blackboard structure schematic diagram of the present utility model.
The specific embodiment
In order to make those skilled in the art person understand better the utility model scheme, the utility model is described in further detail below in conjunction with drawings and embodiments.
As shown in Figure 1, self-luminous blackboard of the present utility model comprises housing 1, Glass blackboard 2, reflector 5 and LED lamp bar 3.Wherein, described housing is that the materials such as wooden, acrylic or metal are made, and it is in order to fix Glass blackboard and to consist of the peripheral outward appearance of Glass blackboard.
Described Glass blackboard 2 is fixedly installed in the described housing 1 matchingly, its positive blackboard surface 6 is that frosting is in order to make things convenient for writing of chalk, be formed with scattering surface 7 at the back side of Glass blackboard, described scattering surface comprises the many groups of diffusion zones that are parallel to each other that are integrally formed in the Glass blackboard back side, and the width of described diffusion zone inwardly progressively increases symmetrically from both sides.Simultaneously be provided with reflector 5 behind at described Glass blackboard scattering surface, specifically, described reflector is the reflective membrane that pastes at the Glass blackboard back, and the reflecting layer that it is formed by glass microballoon and the macromolecular materials such as PVC, PU combine and form.
Described LED lamp is arranged on described Glass blackboard both sides, it is to paste the paster at the LED of Glass blackboard both sides particularly, its length and Glass blackboard are complementary, described LED paster is connected with power supply device by wire, can be luminous when opening, general LED lamp sends white light, also can send light that different face penetrate to satisfy the demand of different occasions by demand.Simultaneously, the LED paster is pasted dual-side at Glass blackboard, its volume impact on Glass blackboard is minimum, and glass also can be the heat radiation of LED paster simultaneously, improves its service life.
Operation principle: after light that the LED lamp sends enters Glass blackboard from the side, a light part that incides Glass blackboard inside is gone out through the transmission of Glass blackboard frosting, a part is back in the Glass blackboard through the scattering of Glass blackboard frosting, a part directly is projected to scattering surface and the scattering process through diffusion zone or diffusion site comes back in the glass, reflecting plate is got back to the light of other except inciding scattered band total reflection on the scattering surface in the glass simultaneously, and then carries out transmission and scattering at the Glass blackboard frosting.Because Multiple Scattering or the reflection of blackboard surface, scattering surface, reflecting plate, can be so that more light arrive the Glass blackboard zone line, make the light can be uniformly from the outgoing of Glass blackboard frosting.
Change as above-described embodiment, described LED lamp can also be for pasting the LED paster around both sides or Glass blackboard about the framework inside of Glass blackboard or correspondence, also can be and be arranged on the left and right sides or the LED lamps at both sides or four jiaos place up and down, the Changing Pattern of the change scattered band by correspondence all can be realized the positive evenly purpose of bright dipping of Glass blackboard.
Simultaneously, the Glass blackboard back side is adopted planar design and a scatter plate with scattered band is being set thereafter can be realized equally the purpose of the utility model, described scatter plate can adopt acrylic material etc. to make, and its specific works process is no longer launched to describe at this to above-mentioned similar.
Only be preferred embodiment of the present utility model by the above; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (10)

1. self-luminous blackboard is characterized in that: comprise housing, be fixedly installed on the Glass blackboard in the described housing, be arranged on the reflector at Glass blackboard rear portion and be symmetricly set on luminescence component on the Glass blackboard side; Wherein, the front surface of described Glass blackboard is blackboard surface, and the back side of described Glass blackboard is scattering surface, and described scattering surface comprises a plurality of diffusions site or a plurality of diffusion zone that is formed on Glass blackboard back of the body surface.
2. self-luminous blackboard as claimed in claim 1, it is characterized in that: described reflector is the reflective membrane that pastes at the Glass blackboard back.
3. self-luminous blackboard as claimed in claim 1 is characterized in that: described luminescence component is to paste in the Glass blackboard left and right sides and/or the LED paster of both sides up and down, and its length and width and Glass blackboard are complementary.
4. self-luminous blackboard as claimed in claim 1 is characterized in that: described LED lamp is the LED lamps that are arranged on four jiaos of places of Glass blackboard.
5. such as each described self-luminous blackboard of claim 1-4, it is characterized in that: the distribution mode of described diffusion site on described scattering surface is: local sparse near described luminescence component, local dense away from described luminescence component.
6. such as each described self-luminous blackboard of claim 1-4, it is characterized in that: the distribution mode of described diffusion zone on described scattering surface is: the width of described diffusion zone inwardly progressively increases symmetrically from both sides.
7. self-luminous blackboard, it is characterized in that: comprise housing, be fixedly installed on the Glass blackboard in the described housing, be arranged on the luminescence component on the Glass blackboard side, be arranged on the scatter plate with diffusion point or diffusion zone at Glass blackboard back, and the reflector that is arranged on the scatter plate back.
8. self-luminous blackboard as claimed in claim 7, it is characterized in that: described reflector is the reflective membrane that pastes at the scatter plate back.
9. such as claim 7 or 8 described self-luminous blackboards, it is characterized in that: described luminescence component is to paste in the Glass blackboard left and right sides and/or the LED paster of both sides up and down, and its length and width and Glass blackboard are complementary.
10. such as claim 7 or 8 described self-luminous blackboards, it is characterized in that: described luminescence component is the LED lamp that is arranged on four jiaos of places of Glass blackboard.
CN 201220221308 2012-05-11 2012-05-11 Self-luminous blackboard Expired - Fee Related CN202742897U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220221308 CN202742897U (en) 2012-05-11 2012-05-11 Self-luminous blackboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220221308 CN202742897U (en) 2012-05-11 2012-05-11 Self-luminous blackboard

Publications (1)

Publication Number Publication Date
CN202742897U true CN202742897U (en) 2013-02-20

Family

ID=47702341

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220221308 Expired - Fee Related CN202742897U (en) 2012-05-11 2012-05-11 Self-luminous blackboard

Country Status (1)

Country Link
CN (1) CN202742897U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104816566A (en) * 2015-04-18 2015-08-05 张秋英 English teaching blackboard
CN105128568A (en) * 2015-09-14 2015-12-09 陈海花 Multifunctional lamplight writing board

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104816566A (en) * 2015-04-18 2015-08-05 张秋英 English teaching blackboard
CN105128568A (en) * 2015-09-14 2015-12-09 陈海花 Multifunctional lamplight writing board

Similar Documents

Publication Publication Date Title
CN202493941U (en) Light emitting diode (LED) panel lamp
CN202742897U (en) Self-luminous blackboard
CN203965766U (en) A kind of backlight module with high brightness laser site formula light guide plate
CN203870362U (en) Display device
CN102588802A (en) LED planar lamp
CN202521325U (en) LED planar light source
CN102642429A (en) Self-luminous blackboard
CN201429947Y (en) LED backlight screen for refrigerator
CN203489114U (en) LED (light emitting diode) ceiling lamp with good heat dissipation performance
CN202383393U (en) Noctilucent lighting LED (Light Emitting Diode) backlight liquid crystal display (LCD)
CN202493942U (en) Panel light emitting diode (LED) lamp
CN102588803A (en) Plate type LED lamp
CN207584564U (en) A kind of blackboard lights
CN202501254U (en) Panel type LED lamp
CN202691669U (en) Colored LED plane lamp
CN201934990U (en) Illuminating light source for outdoor indicating board
CN202501306U (en) Ultra-thin panel lamp
CN202432294U (en) LED (light emitting diode) lamp and LED lamp cover
CN207052243U (en) Lamp box
CN206259150U (en) A kind of electronic information outdoor billboard of energy-conservation
CN101463988B (en) LED light projecting lamp
CN203413498U (en) High-power LED ceiling lamp
CN202493943U (en) LED surface lamp
CN204477939U (en) A kind of luminescent panel
CN206708851U (en) A kind of LED mounted boards and LED lamp panel

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: 20130220

Termination date: 20130511