CN210441147U - Aspheric lens and blackboard lamp applying same - Google Patents
Aspheric lens and blackboard lamp applying same Download PDFInfo
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- CN210441147U CN210441147U CN201921309904.7U CN201921309904U CN210441147U CN 210441147 U CN210441147 U CN 210441147U CN 201921309904 U CN201921309904 U CN 201921309904U CN 210441147 U CN210441147 U CN 210441147U
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Abstract
The utility model relates to a blackboard lamp of aspheric lens and applied this lens, lens are the transparent body of a bar structure, and the both sides of lens are provided with the mounting bar along its length direction, the surface of lens is for rising face, transition face and arc decline face constitution by the arc and constitute for outer envelope surface, the arc rises between face and the transition face, is slick and sly transitional coupling between transition face and the arc decline face, the lower surface of lens constitutes the inner envelope surface by rising inclined plane and synaptic surface, and the lower on rising inclined plane is connected to the mounting bar of one side, and the highest point on rising inclined plane constitutes an acute angle contained angle with one side of synaptic surface, and the opposite side of synaptic surface extends to the opposite side mounting bar. The utility model relates to a blackboard lamp of aspheric lens and applied this lens, its homogeneity that can effectual improvement transmission light.
Description
Technical Field
The utility model relates to a blackboard lamp of aspheric surface lens and applied this lens.
Background
At present, the homogeneity of light shines is a key factor of considering blackboard lamp, and the blackboard lamp of LED form utilizes the printing opacity module of reflection bowl plus sphere lens usually now, with the light diffusion of pointolite LED transmission to the blackboard plane on, but in the in-service use discovery, the light that this kind of mode was thrown is not enough even, there is light and shade stripe on the blackboard to influence the teaching effect. Therefore, a solution to the above-mentioned problems is needed.
Disclosure of Invention
An object of the utility model is to overcome the aforesaid not enough, provide a blackboard lamp of aspheric surface lens and applied this lens, its homogeneity that can effectual improvement transmission light.
The purpose of the utility model is realized like this:
the aspheric lens is a transparent body with a strip-shaped structure, mounting strips are arranged on two sides of the lens along the length direction of the lens, the outer surface of the lens is an outer envelope surface formed by an arc-shaped rising surface, a transition surface and an arc-shaped falling surface, the arc-shaped rising surface and the transition surface as well as the transition surface and the arc-shaped falling surface are in smooth transition connection, the lower surface of the lens is an inner envelope surface formed by a rising inclined surface and a synaptic surface, the lowest part of the rising inclined surface is connected to the mounting strips on one side, the highest part of the rising inclined surface and one side of the synaptic surface form an acute included angle, and the other side of the synaptic surface extends to the mounting strips on the other side.
The utility model relates to an aspheric lens, each section curved surface of above-mentioned outer envelope surface and inner envelope surface is rounding off face.
The utility model relates to an aspheric lens, the cross section of synaptic surface is the triangle-shaped of an inversion.
The utility model relates to an aspheric lens, the apex angle pressure of this cross section for inverting triangle-shaped's synaptic surface is put into a plane.
A blackboard lamp comprises a lamp holder, wherein the lamp holder comprises a light-emitting groove with an opening inclined downwards, a mounting groove is formed in the bottom of the light-emitting groove, and a lamp strip is embedded in the mounting groove; the lens is inserted in the light-emitting groove; the light-emitting element of the light bar is opposite to an acute angle included angle area between the inclined plane and the synapse plane.
The utility model relates to a blackboard lamp, the notch of mounting groove is provided with lamp strip card strip, and lamp strip card strip pressfitting on the lamp strip.
The utility model relates to a blackboard lamp, be provided with lens card strip on the cell wall of light-emitting groove, and lens card strip pressfitting is on the mounting bar.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has the advantages that the upper and lower enveloping surfaces of the strip-shaped structure lens are redesigned, so that the path of the emitted light is optimized, and the irradiation is more uniform; the improvement of the light uniformity of the product of this patent was also confirmed by practice and testing of the various data of fig. 3-7.
Drawings
Fig. 1 is a schematic structural diagram of an aspheric lens according to the present invention.
Fig. 2 is the utility model discloses use the structural schematic diagram of the blackboard lamp of aspheric lens.
Fig. 3 is an optical fiber trace diagram of the blackboard lamp using the aspheric lens of the present invention.
Fig. 4 is a target surface light spot diagram of the blackboard lamp using the aspheric lens of the present invention.
Fig. 5 is a whole wall light spot diagram of the blackboard lamp using the aspheric lens of the present invention.
Fig. 6 is a target surface point illuminance diagram of the blackboard lamp using the aspheric lens of the present invention.
Fig. 7 is a lens light distribution curve of the blackboard lamp using the aspheric lens of the present invention.
Wherein:
a mounting bar 101, an arc-shaped ascending surface 102, a transition surface 103, an arc-shaped descending surface 104, an ascending inclined surface 105 and a synaptic surface 106;
a lamp holder 1 and a lamp strip 2;
light-emitting groove 1.1, mounting groove 1.2, lamp strip card strip 1.3, lens card strip 1.4.
Detailed Description
Referring to fig. 1 to 7, the utility model relates to an aspheric lens, lens are the transparent body of a bar structure, and the both sides of lens are provided with mounting bar 101 along its length direction, the surface of lens is for rising face 102, transition face 103 and arc decline face 104 by the arc and constitutes outer envelope surface, be rounding off connection between arc rising face 102 and the transition face 103, between transition face 103 and the arc decline face 104, the lower surface of lens is by rising inclined plane 105 and synaptic surface 106 constitution inner envelope surface, and the lower of rising inclined plane 105 is connected to the mounting bar 101 of one side, and the highest of rising inclined plane 105 constitutes an acute angle contained angle with one side of synaptic surface 106, and the other side of synaptic surface 106 extends to opposite side mounting bar 101.
Furthermore, the curved surfaces of the outer envelope surface and the inner envelope surface are smooth transition surfaces.
Further, the cross section of the synapse surface 106 is an inverted triangle; preferably, the vertex angle of the synapse surface 106 with the cross section of an inverted triangle is pressed to be a plane;
the blackboard lamp comprises a lamp holder 1, wherein the lamp holder 1 comprises a light-emitting groove 1.1 with an opening inclined downwards, a mounting groove 1.2 is formed in the bottom of the light-emitting groove 1.1, and a light bar 2 is embedded in the mounting groove 1.2; the lens with the strip-shaped structure is inserted into the light-emitting groove 1.1, and the light-emitting element of the light bar 2 is over against the acute angle included angle region between the ascending inclined plane 105 and the synaptic surface 106;
further, a light bar clamping strip 1.3 is arranged at a notch of the mounting groove 1.2, and the light bar clamping strip 1.3 is pressed on the light bar 2;
further, a lens clamping strip 1.4 is arranged on the wall of the light-emitting groove 1.1, and the lens clamping strip 1.4 is pressed on the mounting strip 101;
in addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.
Claims (7)
1. An aspherical lens, characterized in that: the lens is a transparent body with a strip-shaped structure, mounting strips (101) are arranged on two sides of the lens along the length direction of the lens, the outer surface of the lens is an outer envelope surface formed by an arc-shaped ascending surface (102), a transition surface (103) and an arc-shaped descending surface (104), the arc-shaped ascending surface (102) and the transition surface (103) and the arc-shaped descending surface (104) are in smooth transition connection, the lower surface of the lens is an inner envelope surface formed by an ascending inclined surface (105) and a synaptic surface (106), the lowest part of the ascending inclined surface (105) is connected to the mounting strip (101) on one side, the highest part of the ascending inclined surface (105) and one side of the synaptic surface (106) form an acute angle, and the other side of the synaptic surface (106) extends to the mounting strip (101).
2. The aspheric lens of claim 1, wherein: the curved surfaces of the outer envelope surface and the inner envelope surface are smooth transition surfaces.
3. The aspheric lens of claim 1, wherein: the cross section of the synapse face (106) is an inverted triangle.
4. An aspherical lens as claimed in claim 3, wherein: the vertex angle of the synapse surface (106) with the cross section of an inverted triangle is pressed into a plane.
5. A blackboard lamp is characterized in that: the blackboard lamp comprises a lamp holder (1), the lamp holder (1) comprises a light-emitting groove (1.1) with an opening inclined downwards, a mounting groove (1.2) is formed in the bottom of the light-emitting groove (1.1), and a lamp strip (2) is embedded in the mounting groove (1.2); the lens is inserted into the light outlet groove (1.1), the lens is a transparent body with a strip-shaped structure, mounting strips (101) are arranged on two sides of the lens along the length direction of the lens, the outer surface of the lens is an outer envelope surface formed by an arc-shaped ascending surface (102), a transition surface (103) and an arc-shaped descending surface (104), the arc-shaped ascending surface (102) and the transition surface (103) and the arc-shaped descending surface (104) are in smooth transition connection, the lower surface of the lens is an inner envelope surface formed by an ascending inclined surface (105) and a synaptic surface (106), the lowest part of the ascending inclined surface (105) is connected to the mounting strip (101) on one side, the highest part of the ascending inclined surface (105) and one side of the synaptic surface (106) form an acute included angle, and the other side of the synaptic surface (106) extends to the mounting strip (101); the light-emitting element of the light bar (2) is opposite to an acute included angle area between the ascending inclined plane (105) and the synapse plane (106).
6. The blackboard lamp according to claim 5, characterized in that: the notch of mounting groove (1.2) is provided with lamp strip card strip (1.3), and lamp strip card strip (1.3) pressfitting is on lamp strip (2).
7. The blackboard lamp according to claim 5, characterized in that: the wall of the light-emitting groove (1.1) is provided with a lens clamping strip (1.4), and the lens clamping strip (1.4) is pressed on the mounting strip (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921309904.7U CN210441147U (en) | 2019-08-13 | 2019-08-13 | Aspheric lens and blackboard lamp applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921309904.7U CN210441147U (en) | 2019-08-13 | 2019-08-13 | Aspheric lens and blackboard lamp applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210441147U true CN210441147U (en) | 2020-05-01 |
Family
ID=70408204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921309904.7U Active CN210441147U (en) | 2019-08-13 | 2019-08-13 | Aspheric lens and blackboard lamp applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210441147U (en) |
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2019
- 2019-08-13 CN CN201921309904.7U patent/CN210441147U/en active Active
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