CN209762804U - Transverse head oblique-projection desk lamp with reflector - Google Patents
Transverse head oblique-projection desk lamp with reflector Download PDFInfo
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- CN209762804U CN209762804U CN201920889298.4U CN201920889298U CN209762804U CN 209762804 U CN209762804 U CN 209762804U CN 201920889298 U CN201920889298 U CN 201920889298U CN 209762804 U CN209762804 U CN 209762804U
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- reflector
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- reflecting
- desk lamp
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Abstract
The utility model discloses a horizontal head oblique-spot desk lamp with a reflector, which comprises a desk lamp bracket and a light-emitting part arranged on the desk lamp bracket, wherein the light-emitting part comprises a lamp holder face shell, an LED lamp strip laterally arranged on an inner side plate of the lamp holder face shell and a lamp holder bottom cover covered at an opening of the lamp holder face shell; the reflector comprises one of a concave cambered surface reflector, a convex cambered surface reflector and an inclined surface reflector; one side edge of the reflector is bent, a bent part formed by bending the reflector and the reflecting surface form an included angle, and the bent part is fixedly arranged on the inner side surface of the lamp holder face shell and enables the back side surface of the LED lamp strip to be tightly attached to the bent part. The utility model provides the distribution degree of consistency of light and make the light coverage increase.
Description
Technical Field
The utility model relates to a lamps and lanterns, specific saying so relates to a horizontal head oblique incidence desk lamp with reflector panel.
background
Most of existing desk lamp designs in the market are of a decorative type, the cross section geometry of the desk lamp does not consider the angle of the lamp shade, and the matching of a reflecting material and a light source, so that the utilization rate of luminous flux is low, and the illumination intensity of the desk lamp is far smaller than the minimum illumination intensity 500LX of eye fatigue found in an eye fatigue curve.
The defects of the prior art are as follows: the utilization rate of the reflecting plate in the lampshade is low, and the light of the desk lamp directly irradiates the desktop, so that the defects of bright middle and dark edge can occur.
SUMMERY OF THE UTILITY MODEL
To the deficiency among the prior art, the to-be-solved technical problem of the utility model lies in providing a horizontal head oblique incidence desk lamp with reflector panel.
In order to solve the technical problem, the utility model discloses a following scheme realizes: a transverse head oblique-incidence desk lamp with a reflector comprises a desk lamp support and a light-emitting part, wherein the desk lamp support is provided with an installation part or a clamping part, and the light-emitting part is installed on the installation part or clamped in the clamping part; the light-emitting part comprises a lamp cap face shell, an LED lamp strip laterally arranged on an inner side plate of the lamp cap face shell, and a lamp cap bottom cover covering an opening of the lamp cap face shell, and further comprises a reflecting plate arranged in an inner cavity of the lamp cap face shell and provided with a reflecting surface, and the reflecting surface can reflect light emitted by the LED lamp strip to a distance from the front end of the lamp cap face shell to the outside of a corresponding irradiating surface;
The reflector comprises one of a concave cambered surface reflector, a convex cambered surface reflector and an inclined surface reflector;
One side edge of the reflector is bent, a bent part formed by bending the reflector and the reflecting surface form an included angle, and the bent part is fixedly arranged on the inner side surface of the lamp holder face shell and enables the back side surface of the LED lamp strip to be tightly attached to the bent part.
further, the cambered surface portion of concave cambered surface reflector panel is the acute angle with the contained angle of the portion of bending, and the cambered surface portion on it is the plate body that outwards extends formation evagination along the contained angle, and the plate body is the evagination back, and its inner surface forms the cambered surface of indent, and the cambered surface of this indent is equipped with the reflection of light face, and this reflection of light face can be covered by the light that LED lamp strip sent is whole.
furthermore, the included angle between the arc surface part of the convex arc surface light reflecting plate and the bending part is an acute angle, the arc surface part on the convex arc surface light reflecting plate is an inward convex plate body formed by outwards extending along the included angle, after the plate body is inward convex, the inner surface of the plate body forms an inward convex arc surface, the inward convex arc surface is provided with a light reflecting surface, and the light reflecting surface can be completely covered by the light emitted by the LED lamp strip.
Furthermore, the reflecting part of the inclined plane reflecting plate is a flat plate, and an included angle formed between the flat plate and the bending part is an acute angle.
Furthermore, the reflector is a plate body capable of dissipating heat.
Further, the reflector includes one of an aluminum alloy plate, a copper plate, an iron plate, a paper plate, and a plastic plate.
Furthermore, the reflecting surfaces of the aluminum alloy plate, the copper plate, the iron plate and the plastic plate are smooth plating surfaces or bright sand surfaces.
Furthermore, the reflecting surfaces of the aluminum alloy plate, the copper plate, the iron plate, the paper plate and the plastic plate are glued reflecting paper.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses install the reflector panel at the illuminating part of desk lamp, its reflection of light face of reflector panel makes different structures as required, if: the three plate bodies can reflect light well, so that the distribution uniformity of light is improved, and the light coverage range is enlarged. The utility model discloses a reflector panel has radiating performance concurrently, and it is aluminum alloy or copper, and the heat conduction that LED lamp strip produced is for the reflector panel portion of bending, and from the portion of bending conduction for the reflective portion again, reflective portion area is big, can take away a large amount of heats fast.
Drawings
Fig. 1 is an exploded view of the horizontal oblique-spot desk lamp of the present invention.
Fig. 2 is a schematic diagram of a lateral structure of the concave-arc reflector of the present invention.
Fig. 3 is a perspective view of the concave-arc reflector of the present invention.
fig. 4 is a schematic view of the lateral structure of the convex-arc reflector of the present invention.
Fig. 5 is a perspective view of the convex surface reflector of the present invention.
Fig. 6 is a schematic side view of the inclined plane reflector of the present invention.
Fig. 7 is a perspective view of the inclined plane reflector of the present invention.
Fig. 8 shows the coverage of the light reflected by the inclined plane reflector when the light emitting portion of the present invention is at a certain height.
fig. 9 shows the coverage of light reflected by the convex-arc reflector at a certain height.
Fig. 10 shows the coverage of light reflected by the convex-arc reflector at a certain height.
Fig. 11 shows the position of the spot on the table surface irradiated by the reflected light of the concave-arc reflector of the present invention.
FIG. 12 is a table of test data for each test point of FIG. 11.
Fig. 13 shows the position of the spot on the table surface irradiated by the reflected light of the convex-arc reflector of the present invention.
Fig. 14 is a table of test data for each test point of fig. 13.
Fig. 15 shows the position of the spot on the table surface irradiated by the reflected light of the inclined plane reflector of the present invention.
Fig. 16 is a table of test data for each test point of fig. 15.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention. It is obvious that the described embodiments of the invention are only some of the embodiments of the invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Embodiment, the utility model discloses a concrete structure as follows:
Referring to fig. 1-7, a transverse-head oblique-incidence desk lamp with a reflector comprises a desk lamp support and a light-emitting part, wherein the desk lamp support is provided with an installation part or a clamping part, and the light-emitting part is installed on the installation part or clamped in the clamping part; the light-emitting part comprises a lamp holder face shell 1, an LED lamp strip 3 laterally arranged on an inner side plate of the lamp holder face shell 1, and a lamp holder bottom cover 4 covering an opening of the lamp holder face shell 1, and further comprises a light reflecting plate 2, wherein the light reflecting plate 2 is arranged in an inner cavity of the lamp holder face shell 1, and is provided with a light reflecting surface, and the light reflecting surface can reflect light emitted by the LED lamp strip 3 to a distance from the front end of the lamp holder face shell 1 to the downward direction, and the corresponding irradiating surface extends outwards;
The reflector 2 comprises one of a concave cambered reflector 21, a convex cambered reflector 22 and an inclined reflector 23;
One side edge of the reflector 2 is bent, a bent part formed by bending the reflector and the reflecting surface form an included angle, and the bent part is fixedly arranged on the inner side surface of the lamp holder face shell 1 and enables the back side surface of the LED lamp strip 3 to be tightly attached to the bent part.
A preferred technical solution of this embodiment: the cambered surface portion of concave cambered surface reflector 21 is the acute angle with the contained angle of the portion of bending, and the cambered surface portion on it is the outward convex plate body of formation for outwards extending along the contained angle, and the plate body is the evagination back, and its inner surface forms the cambered surface of indent, and the cambered surface of this indent is equipped with the reflection of light face, and this reflection of light face can be covered by the light that LED lamp strip 3 sent is whole.
A preferred technical solution of this embodiment: the included angle of the cambered surface portion of the convex cambered surface reflector 22 and the bending portion is an acute angle, the cambered surface portion on the convex cambered surface reflector 22 is an inward convex plate body formed by outwards extending along the included angle, after the plate body is inward convex, the inner surface of the plate body forms an inward convex cambered surface, the inward convex cambered surface is provided with a reflecting surface, and the reflecting surface can be completely covered by light emitted by the LED lamp strip 3.
A preferred technical solution of this embodiment: the light reflecting portion of the inclined surface light reflecting plate 23 is a flat plate, and an included angle formed between the flat plate and the bent portion is an acute angle.
A preferred technical solution of this embodiment: the reflector 2 is a plate body capable of dissipating heat.
A preferred technical solution of this embodiment: the reflector 2 comprises one of an aluminum alloy plate, a copper plate, an iron plate, a paper plate and a plastic plate.
A preferred technical solution of this embodiment: the light reflecting surfaces of the aluminum alloy plate, the copper plate, the iron plate and the plastic plate are light plating surfaces or bright sand surfaces.
A preferred technical solution of this embodiment: the reflecting surfaces of the aluminum alloy plate, the copper plate, the iron plate, the paper plate and the plastic plate are adhesive reflecting paper.
Example 2:
As shown in fig. 8-10, fig. 8 shows the coverage of the light reflected by the inclined plane reflector when the light emitting unit of the present invention is at a certain height, fig. 9 shows the coverage of the light reflected by the convex arc reflector when the light emitting unit of the present invention is at a certain height, and fig. 10 shows the coverage of the light reflected by the convex arc reflector when the light emitting unit of the present invention is at a certain height.
In fig. 8, the distance between the light-emitting part and the desk lamp holder is b1-a1, in fig. 9, the distance between the light-emitting part and the desk lamp holder is b2-a2, in fig. 10, the distance between the light-emitting part and the desk lamp holder is b3-a3, and in this case, b1-a1 is b2-a2 is b3-a 3.
since the light emitting parts are arranged at the same height:
As can be seen from fig. 8, the distance between the starting position of the reflected light of the inclined reflector 23 and the light-emitting portion is a1, and the distance between the starting position and the end position is c 1.
As can be seen from fig. 9, the distance between the starting position and the end position of the reflected light from the convex reflector 22 and the light-emitting portion is a2 (close to 0), and the distance between the starting position and the end position is c 2.
as can be seen from fig. 10, the distance between the starting position and the light-emitting portion of the reflected light from the concave reflector 21 is a3, and the distance between the starting position and the end position is c 3.
as described above, c2> c1> c3, it can be seen that the convex reflector 22 is the most suitable reflector because the range of light coverage using the convex reflector 22 is the widest at the same height.
Example 3:
As shown in fig. 11-12, fig. 11 shows the position of the concave-arc reflector on the table where the reflected light is irradiated, and fig. 12 shows the test data table of each test point of fig. 11. The test requires that the center of the light source is 38.7CM from the center of the circle, and as can be seen from fig. 12, the maximum uniformity ratio is 2.82, and the maximum ratio points are the test point 14 and the test point 26.
Example 4:
As shown in fig. 13-14, fig. 13 illustrates the position of the light-receiving point on the table surface irradiated by the light reflected by the convex-arc reflector according to the present invention. Fig. 14 is a table of test data for each test point of fig. 13. The test requires that the height of the center of the light source is 38.7CM from the center of the circle, and as can be seen from fig. 14, the maximum uniformity ratio is 2.71, and the maximum ratio points are the test point 14 and the test point 26.
Example 5:
As shown in fig. 15-16, fig. 14 illustrates the position of the light-receiving point on the table surface irradiated by the reflected light of the inclined surface reflector according to the present invention. Fig. 16 is a table of test data for each test point of fig. 15. The test requires that the height of the center of the light source is 38.7CM from the center of the circle, and as can be seen from fig. 16, the maximum uniformity ratio is 2.91, and the maximum ratio points are the test point 14 and the test point 26.
from the above data, it can be seen that the maximum ratio of uniformity of the convex reflector is 2.71, and thus the convex reflector is the optimal reflector.
The utility model discloses install the reflector panel at the illuminating part of desk lamp, its reflection of light face of reflector panel makes different structures as required, if: the three plate bodies can reflect light well, so that the distribution uniformity of light is improved, and the light coverage range is enlarged. The utility model discloses a reflector panel has radiating performance concurrently, and it is aluminum alloy or copper, and the heat conduction that LED lamp strip produced is for the reflector panel portion of bending, and from the portion of bending conduction for the reflective portion again, reflective portion area is big, can take away a large amount of heats fast.
the above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (8)
1. A transverse head oblique-incidence desk lamp with a reflector comprises a desk lamp support and a light-emitting part, wherein the desk lamp support is provided with an installation part or a clamping part, and the light-emitting part is installed on the installation part or clamped in the clamping part; the LED lamp comprises a lamp holder face shell (1), an LED lamp strip (3) laterally arranged on an inner side plate of the lamp holder face shell (1) and a lamp holder bottom cover (4) covering an opening of the lamp holder face shell (1), and is characterized by further comprising a reflecting plate (2), wherein the reflecting plate (2) is arranged in an inner cavity of the lamp holder face shell (1), a reflecting surface is arranged on the reflecting plate, and the reflecting surface can reflect light emitted by the LED lamp strip (3) to a distance from the downward front end of the lamp holder face shell (1) to the outward extension of a corresponding irradiating surface;
The reflector (2) comprises one of a concave cambered reflector (21), a convex cambered reflector (22) and an inclined reflector (23);
One side edge of the reflector (2) is bent, a bent part formed by bending the reflector and the reflecting surface form an included angle, and the bent part is fixedly arranged on the inner side surface of the lamp holder face shell (1) and enables the back side surface of the LED lamp bar (3) to be tightly attached to the bent part.
2. The desk lamp with reflector plate as claimed in claim 1, wherein: the cambered surface portion of concave cambered surface reflector panel (21) is the acute angle with the contained angle of the portion of bending, and the cambered surface portion on it is the plate body that outwards extends formation evagination along the contained angle, and the plate body is the evagination back, and its inner surface forms the cambered surface of indent, and the cambered surface of this indent is equipped with the reflection of light face, and this reflection of light face can be by the whole covers of the light that LED lamp strip (3) sent.
3. The desk lamp with reflector plate as claimed in claim 1, wherein: the included angle of the cambered surface portion of the convex cambered surface reflector (22) and the bending portion is an acute angle, the cambered surface portion on the convex cambered surface reflector is an inward convex plate body formed by outwards extending along the included angle, after the plate body is inward convex, the inner surface of the plate body forms an inward convex cambered surface, the inward convex cambered surface is provided with a reflecting surface, and the reflecting surface can be completely covered by light emitted by the LED lamp strip (3).
4. The desk lamp with reflector plate as claimed in claim 1, wherein: the reflecting part of the inclined plane reflecting plate (23) is a flat plate, and an included angle formed by the flat plate and the bending part is an acute angle.
5. the desk lamp with a reflector according to any one of claims 1-4, wherein: the reflector (2) is a plate body capable of dissipating heat.
6. The desk lamp with reflector plate as claimed in claim 5, wherein: the reflector (2) comprises one of an aluminum alloy plate, a copper plate, an iron plate, a paperboard and a plastic plate.
7. The desk lamp with reflector plate as claimed in claim 6, wherein: the light reflecting surfaces of the aluminum alloy plate, the copper plate, the iron plate and the plastic plate are light plating surfaces or bright sand surfaces.
8. The desk lamp with reflector plate as claimed in claim 6, wherein: the reflecting surfaces of the aluminum alloy plate, the copper plate, the iron plate, the paper plate and the plastic plate are adhesive reflecting paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920889298.4U CN209762804U (en) | 2019-06-13 | 2019-06-13 | Transverse head oblique-projection desk lamp with reflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920889298.4U CN209762804U (en) | 2019-06-13 | 2019-06-13 | Transverse head oblique-projection desk lamp with reflector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209762804U true CN209762804U (en) | 2019-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920889298.4U Active CN209762804U (en) | 2019-06-13 | 2019-06-13 | Transverse head oblique-projection desk lamp with reflector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209762804U (en) |
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2019
- 2019-06-13 CN CN201920889298.4U patent/CN209762804U/en active Active
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