CN213630039U - Directional light guide blackboard lamp - Google Patents
Directional light guide blackboard lamp Download PDFInfo
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- CN213630039U CN213630039U CN202021952898.XU CN202021952898U CN213630039U CN 213630039 U CN213630039 U CN 213630039U CN 202021952898 U CN202021952898 U CN 202021952898U CN 213630039 U CN213630039 U CN 213630039U
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Abstract
The embodiment of the application provides a directional light guide blackboard lamp. The directional light guide blackboard lamp comprises a lamp plate, a frame, a supporting plate, a light guide plate, an EVA plate and a rear cover plate, wherein the supporting plate, the light guide plate, the EVA plate and the rear cover plate are sequentially overlapped in the frame; the lamp plate includes circuit board and lamp pearl, the circuit board set up in on the frame medial surface, the lamp pearl set up in on the circuit board and with the side of light guide plate is relative, makes the light guide plate is right the light that the lamp pearl sent is led. In the embodiment of the utility model provides an in, the circuit board set up in on the frame medial surface, avoid light direct irradiation people's eye, prevent to produce under long-time illumination dizzy.
Description
Technical Field
The utility model relates to the field of lighting, a directional leaded light blackboard lamp is related to.
Background
In the electronic era today, although projectors are used in teaching, most teachers still need to write blackboard writing during lectures in order to ensure the teaching quality. In order to clearly read blackboard writing, the blackboard illuminating lamp needs to ensure enough illumination, but when the light of the blackboard lamp is too strong, a teacher can feel dizzy after long-time irradiation, and the health of the teacher is affected. The existing blackboard lamp has serious glare and glaring due to the fact that a light source directly irradiates and light is uneven, the eyesight of eyes can be greatly damaged by long-time study and work in the environment, and particularly, the eyesight of a teacher who is located in front of the blackboard for a long time can be seriously damaged.
SUMMERY OF THE UTILITY MODEL
The utility model discloses lie in overcoming the blackboard lamp and cause dizzy problem easily, provide a directional leaded light blackboard lamp, adopted following technical scheme:
a directional light guide blackboard lamp comprises a lamp plate, a frame, a supporting plate, a light guide plate, an EVA plate and a rear cover plate, wherein the supporting plate, the light guide plate, the EVA plate and the rear cover plate are sequentially overlapped in the frame;
the lamp plate includes circuit board and lamp pearl, the circuit board set up in on the frame medial surface, the lamp pearl set up in on the circuit board and with the side of light guide plate is relative, makes the light guide plate is right the light that the lamp pearl sent is led.
Furthermore, a plurality of light guide holes are formed in the light guide plate, the light guide holes are formed along the length direction of the light guide plate, and the sections of the light guide holes are triangular.
Further, the lamp pearl is close to the light guide plate is kept away from the one end of backup pad, is convenient for the light guide plate is right the light that the lamp pearl sent refracts.
Further, directional leaded light blackboard lamp includes the mounting, the back shroud passes through the mounting is fixed in the frame.
Furthermore, the frame comprises an installation groove, the installation groove is formed along the length direction of the frame, a plurality of installation holes corresponding to the installation groove are formed in the rear cover plate, and the fixing piece is arranged in the installation holes and the installation groove and used for fixing the rear cover plate on the installation groove.
Further, the fixing piece is a screw or a bolt.
Furthermore, threads matched with the fixing piece are arranged on two parallel inner walls of the mounting groove.
Further, the support plate is a transparent support plate.
Further, a sealing rubber strip is arranged between the frame and the supporting plate.
Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:
the embodiment of the utility model provides an in directional leaded light blackboard lamp, including lamp plate, frame and light guide plate, the lamp plate sets up on the frame medial surface relatively with the side of light guide plate, and the light of being convenient for gets into the light guide plate from the side and receives the light guide plate leaded light, has seted up a plurality of leaded light holes in the light guide plate, makes the light guide plate lead to the light that the lamp pearl sent, and directional leaded light blackboard lamp in this application avoids the light of lamp plate directly to shine to people's eye, and leads the light through the light guide plate, makes the light-emitting even, guarantees the illumination.
Drawings
In order to illustrate the present application or prior art more clearly, a brief description of the drawings needed for the description of the embodiments or prior art will be given below, it being clear that the drawings in the following description are some embodiments of the present application and that other drawings can be derived from them by a person skilled in the art without inventive effort.
Fig. 1 is a schematic structural view of a directional light guide blackboard lamp according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of a directional light guide blackboard lamp according to an embodiment of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 1.
Reference numerals:
1. a frame; 2. a support plate; 3. a light guide plate; 4. an EVA plate; 5. a rear cover plate;
6. and a lamp panel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail with reference to the following drawings.
It is to be understood that, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Examples
As shown in fig. 1 and 2, a directional light guide blackboard lamp includes a lamp panel 6, a frame 1, a support plate 2, a light guide plate 3, an EVA plate 4, and a rear cover plate 5. Backup pad 2, light guide plate 3, EVA board 4 and back shroud 5 superpose in proper order and set up in frame 1, and lamp plate 6 sets up on 1 medial surface of frame, and is located between backup pad 2 and the back shroud 5, and lamp plate 6 includes circuit board and lamp pearl, and the circuit board sets up on 1 medial surface of frame, combines figure 3, and the lamp pearl sets up on the circuit board and relative with the side of light guide plate 3, makes light that light guide plate 3 sent the lamp pearl lead, makes the light-emitting even. Lamp plate 6 sets up in the side of frame 1, avoids light to penetrate directly to make the injury to eyes.
Offer a plurality of leaded light holes in the light guide plate 3, the leaded light hole is seted up along 3 length direction of light guide plate, and parallel arrangement guarantees the refraction effect between a plurality of leaded light holes, and the section in leaded light hole is triangle-shaped, and the light that the lamp pearl sent gets into light guide plate 3 from the side of light guide plate 3, through the refraction of light guide plate 3, evenly shines the light to treating the face of shining.
The lamp pearl is close to the one end that backup pad 2 was kept away from to light guide plate 3, and the light that the lamp pearl of being convenient for sent is through the leaded light hole of light guide plate 3, carries out the refraction to the light. Prevent that a large amount of light that the lamp pearl sent from directly shining the face of waiting to shine.
The directional light guide blackboard light includes a fixing member, which in this embodiment is a screw or bolt. The rear cover plate 5 is fixed in the frame 1 by fixing members.
The frame 1 comprises a mounting groove, the mounting groove is formed along the length direction of the frame 1, threaded holes matched with the fixing pieces are formed in the inner wall, which is parallel to the mounting groove, of the mounting groove, a plurality of mounting holes corresponding to the mounting groove are formed in the rear cover plate 5, the fixing pieces are arranged in the mounting holes and the mounting groove and used for fixing the rear cover plate 5 on the mounting groove, and the supporting plate 2, the light guide plate 3 and the EVA plate 4 are pressed in the frame 1.
In this embodiment, the mounting groove is provided with the layer board in the face towards the center of frame 1, supports backup pad 2 when making backup pad 2 set up in frame 1, and backup pad 2 is transparent support plate 2, when guaranteeing illumination luminance, protects light guide plate 3, prevents that the dust from polluting light guide plate 3, conveniently cleans cleanly, and is provided with joint strip between frame 1 and the backup pad 2, guarantees the leakproofness of installation, prevents that the dust from getting into through the clearance between frame 1 and the backup pad 2, influences the illumination effect.
Directional leaded light blackboard lamp still is provided with installation device, and installation device includes installed part and installation pole, and the installed part sets up in the one side of 5 EVA boards 4 dorsad in back shroud, and the installation pole is scalable installation pole, through the length adjustment illumination distance of adjusting the installation pole to adjust the luminance of light. One end and the installed part fixed connection of scalable installation pole, the other end are fixed in the roof wall, and the installed part is provided with two respectively with the installation pole to improve the stability of installation, the installed part sets up respectively in the both ends at the length place of directional leaded light blackboard lamp.
Present blackboard lamp, the light-emitting is inhomogeneous, and the light source directly penetrates eyes directly, for the effect of guaranteeing the illumination, often light is very strong, penetrates directly under the highlight for a long time, easily dizzy, and in this application, sets up lamp plate 6 through the side, avoids the light source to penetrate directly, and through light guide plate 3, makes the light-emitting even. In this embodiment, lamp plate 6 is provided with one, and the quantity of lamp plate 6 can set up two as required in other embodiments to improve illumination brightness, two circuit boards set up respectively in frame 1 on the both sides face that each other faces, and lamp pearl on two lamp plates 6 is all relative with the side of light guide plate 3, makes light guide plate 3 lead the light that the lamp pearl sent. Set up lamp plate 6 in the side of frame 1, avoid light to penetrate eyes directly to avoid the user to produce dizzy sense under long-time illumination. When the installation lamp plate, need be close to the lamp pearl and keep away from the one end of backup pad 2 with light guide plate 3, the light that the lamp pearl of being convenient for sent passes through the leaded light hole of light guide plate 3, prevents that a large amount of light direct irradiation that the lamp pearl sent from treating the face that shines.
The lamp pearl that adopts on lamp plate 6 is LED lamp pearl, and the LED lamp body is small and exquisite, and the energy consumption is very low and long service life, reduces and dismantles with trading the number of times.
In other embodiments, the directional light guide blackboard lamp can be applied to desk lamp illumination by changing the size of the lamp body, so that the light emitting is soft, and the health of a user is prevented from being influenced.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.
Claims (9)
1. The directional light guide blackboard lamp is characterized by comprising a lamp plate, a frame, a supporting plate, a light guide plate, an EVA plate and a rear cover plate, wherein the supporting plate, the light guide plate, the EVA plate and the rear cover plate are sequentially overlapped in the frame;
the lamp plate includes circuit board and lamp pearl, the circuit board set up in on the frame medial surface, the lamp pearl set up in on the circuit board and with the side of light guide plate is relative, makes the light guide plate is right the light that the lamp pearl sent is led.
2. The directional light guide blackboard lamp according to claim 1, wherein a plurality of light guide holes are formed in the light guide plate, the light guide holes are formed along the length direction of the light guide plate, and the cross section of each light guide hole is triangular.
3. A directional light guide blackboard lamp according to claim 1, wherein the lamp beads are close to the end of the light guide plate far from the support plate, so that the light guide plate can refract the light emitted by the lamp beads.
4. The directional light guide blackboard light according to claim 1, wherein the directional light guide blackboard light includes a fixing member, and the rear cover plate is fixed in the frame by the fixing member.
5. The directional light guide blackboard lamp according to claim 4, wherein the frame includes a mounting groove, the mounting groove is formed along the length direction of the frame, the rear cover plate is formed with a plurality of mounting holes corresponding to the mounting groove, and the fixing member is disposed in the mounting holes and the mounting groove for fixing the rear cover plate to the mounting groove.
6. The directional light guide blackboard lamp according to claim 5, wherein the fixing member is a screw or a bolt.
7. The directional light guide blackboard lamp according to claim 5, wherein the two parallel inner walls of the mounting groove are provided with screw threads matched with the fixing member.
8. The directional light guide blackboard light according to claim 1, wherein the support plate is a transparent support plate.
9. A directional light guide blackboard lamp according to claim 1, characterised in that a sealing rubber strip is provided between the frame and the support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021952898.XU CN213630039U (en) | 2020-09-08 | 2020-09-08 | Directional light guide blackboard lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021952898.XU CN213630039U (en) | 2020-09-08 | 2020-09-08 | Directional light guide blackboard lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213630039U true CN213630039U (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021952898.XU Active CN213630039U (en) | 2020-09-08 | 2020-09-08 | Directional light guide blackboard lamp |
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| CN (1) | CN213630039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128651A (en) * | 2020-09-08 | 2020-12-25 | 深圳市科瑞普光电股份有限公司 | Directional light guide blackboard lamp |
-
2020
- 2020-09-08 CN CN202021952898.XU patent/CN213630039U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128651A (en) * | 2020-09-08 | 2020-12-25 | 深圳市科瑞普光电股份有限公司 | Directional light guide blackboard lamp |
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