CN213394973U - Lens one-way projection type luminous writing lamp - Google Patents
Lens one-way projection type luminous writing lamp Download PDFInfo
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- CN213394973U CN213394973U CN202022957706.0U CN202022957706U CN213394973U CN 213394973 U CN213394973 U CN 213394973U CN 202022957706 U CN202022957706 U CN 202022957706U CN 213394973 U CN213394973 U CN 213394973U
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Abstract
The utility model discloses a lens one-way projection type luminous writing lamp, which relates to the technical field of LED illumination and comprises a writing lamp body, a luminous component and a reflecting component, wherein the front surface of the writing lamp body is provided with a light outlet, the luminous component is arranged below the light outlet, the reflecting component is arranged at the top of the light outlet, the luminous component projects light source light rays onto the reflecting component for reflection, the light rays are reflected secondarily and uniformly reflected onto a writing board, so that the writing board is uniformly illuminated, meanwhile, the reflecting component adopts a secondary curved surface reflection design, the upper end of the traditional light outlet is changed into a light source and a lens structure, a secondary curved surface reflector receives lens transmission light and uniformly reflects the light onto the writing board, due to the secondary curved surface reflection structure design, the direct glare and higher reflection efficiency of the traditional lens type lamp are avoided, and simultaneously, the writing lamp body not only realizes no glare, and high reflection light effect realizes that clipboard illuminance and homogeneity are better.
Description
Technical Field
The utility model relates to a LED lighting technology field specifically is a luminous writing lamp of lens one-way projection formula.
Background
The existing writing board lamps in the market generally comprise two types of writing board lamps, namely a reflection type writing board lamp and a lens type writing board lamp, and the lens type writing board lamp has a too narrow light outlet, so that strong direct glare occurs.
However, the problem of direct glare of a lens-type writing board is not effectively solved, for example, in a patent of 201910594445.X, a lens and a blackboard lamp, although a certain optical and lens light distribution design is adopted, a light source and a lens are still traditionally designed at the upper end of a light outlet, firstly, the light outlet is narrow, and the light of the light outlet is too strong to generate direct glare, and secondly, a teacher stands at two ends of a platform, and the strong light of the light outlet directly irradiates the eyes of the teacher to cause the glare of the teacher.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a luminous writing lamp of lens one-way projection formula has solved the problem that lens formula writing lamp caused teacher's direct glare.
In order to achieve the above object, the utility model provides a following technical scheme: including writing lamp body, light-emitting component and reflection of light subassembly, write the lamp body and set to the rectangle form to a pair of spout has been seted up to the top left and right sides of writing the lamp body, be connected with the jib through connecting the pivot in the spout, write the lamp body and pass through the jib and install the below at the wall, write the front of lamp body simultaneously and seted up the light-emitting window, wherein the below of light-emitting window is provided with light-emitting component, and the top of light-emitting window is provided with reflection of light subassembly.
As a further aspect of the present invention: the LED light source is a surface mount type light source, the LED light source is fixedly mounted on an aluminum substrate, the aluminum substrate is fixedly mounted on a light outlet bottom plate, the LED light source is wrapped by the Lambertian body lens, and the Lambertian body lens is a rectangular lens and is tightly attached to the outer side of the LED light source.
As a further aspect of the present invention: the reflecting component adopts a quadric surface reflecting cover which is fixedly arranged at the top of the light outlet.
As a further aspect of the present invention: the inner chamber has been seted up to the inside of writing lamp body, and the bottom fixed mounting who connects the pivot simultaneously has the connecting seat, and the bottom slidable mounting of connecting seat is in the inside of slide rail, and slide rail fixed mounting is on the diapire of inner chamber to the lead screw is installed to the inside screw thread of connecting seat, and the lead screw is kept away from the one end rotation of connecting seat and is installed in the lateral wall of spacer block.
As a further aspect of the present invention: one end of the screw rod, which is close to the spacer block, is fixedly provided with a driven bevel gear, the driven bevel gear is meshed with the driving bevel gear, the driving bevel gear is fixedly arranged on the outer wall of the rotating shaft, the rotating shaft extends out of the bottom of the inner cavity, and the extending end of the rotating shaft is fixedly provided with a crank.
As a further aspect of the present invention: the middle end of the lead screw is rotatably provided with a bearing seat, and the bearing seat is fixedly arranged on the bottom wall of the inner cavity.
As a further aspect of the present invention: the suspender is rotatably installed at the bottom of the wall surface through the installation rotating shaft.
Compared with the prior art, the beneficial effects of the utility model are that: this kind of writing lamp body adopts quadric surface reflection design, it is light source and lens structure to have changed traditional light-emitting opening upper end, after lens transmission light was received to the quadric surface bowl, evenly reflect the light on the clipboard, because quadric surface reflection structure design, the direct glare and the higher reflection light efficiency of traditional lens formula lamps and lanterns have been avoided, simultaneously this writing lamp body not only realizes no glare, and high reflection light efficiency, it is better to realize clipboard illuminance and degree of consistency, the inside lead screw that is provided with of while writing lamp, it rotates to drive the pivot through the crank, drive driven bevel gear through initiative bevel gear and rotate, it rotates to drive the lead screw, thereby it carries out horizontal slip along the slide rail to drive the connecting seat, a height for adjusting the writing lamp body, the practicality of writing lamp has been increased.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the light outlet structure of the present invention.
Fig. 3 is a schematic view of the working state of the present invention.
Fig. 4 is a schematic diagram of the internal structure of the present invention.
As shown in the figure: 1. the writing lamp comprises a writing lamp body, 101, a hanging rod, 102, a connecting rotating shaft, 103, a sliding groove, 104, a light outlet, 105, a light emitting component, 106, a reflecting component, 201, a quadric surface reflecting cover, 202, a light outlet bottom plate, 203, a Lambertian body lens, 204, an LED light source, 205, a lens projection light ray, 206, a reflecting cover reflection light ray, 301, a reflecting cover light ray, 302, an observer, 303, an observer sight line, 304, a writing board, 4, a wall surface, 5, an installation rotating shaft, 6, an inner cavity, 7, a connecting seat, 8, a sliding rail, 9, a lead screw, 10, a spacer block, 11, a driven bevel gear, 12, a driving bevel gear, 13, a rotating shaft, 14 and a crank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Please refer to fig. 1-4, in the embodiment of the utility model, a luminous writing lamp of lens one-way projection formula, including writing lamp body 1, light-emitting component 105 and reflecting component 106, wherein writing lamp body 1 sets to the rectangle form to a pair of spout 103 has been seted up to the top left and right sides of writing lamp body 1, be connected with jib 101 through connecting pivot 102 in the spout 103, writing lamp body 1 passes through jib 101 and installs the below at wall 4, light-emitting window 104 has been seted up in the front of writing lamp body 1 simultaneously, wherein the below of light-emitting window 104 is provided with light-emitting component 105, and the top of light-emitting window 104 is provided with reflecting component 106, light-emitting component 105 projects light source light and reflects on reflecting component 106, evenly reflect light secondary to on the clipboard 304, realize the clipboard uniform lighting.
The light emitting assembly 105 comprises a lambdoo body lens 203 and an LED light source 204, the LED light source 204 is a patch type light source, wherein the LED light source is fixedly mounted on an aluminum substrate, the aluminum substrate is fixedly mounted on a light outlet bottom plate 202, the lambdoo body lens 203 wraps the outside of the LED light source 204, the lambdoo body lens 203 is a rectangular lens and is tightly attached to the outer side of the LED light source 204, the LED light source 204 can be completely wrapped, a light leakage phenomenon cannot occur, the light reflecting assembly 106 selects a quadric surface reflector 201, the quadric surface reflector 201 is fixedly mounted at the top of the light outlet 104, light emitted by the LED light source 202 is uniformly distributed through the lambdoo body lens 203 and is projected onto the quadric surface reflector 201, and the quadric surface reflector 201 reflects the light to uniformly irradiate the upper section, the middle section and the lower section of the writing board 304.
Referring to fig. 3, the working process of the writing light body 1 is as follows: the lens projection light 205 generated by the light emitting component 105 is projected on the light reflecting component 106, the reflector reflection light 206 is generated and is discharged from the light outlet 104, the reflector light-emitting line 301 is generated and is reflected on the writing board 304, no matter an observer 302 such as a teacher observes the lamp in any area of a platform, the light source is designed at the bottom of the light outlet of the lamp, the observer views 303 that the part of the reflector at the upper end of the light outlet of the lamp is observed, and the reflector is not provided with the light-emitting light source, so that the problem of direct glare of the light-emitting light source is effectively avoided.
Wherein, the writing lamp body 1 is provided with an inner cavity 6 inside, the bottom of the connecting shaft 102 is fixedly provided with a connecting seat 7, the bottom of the connecting seat 7 is slidably mounted inside a sliding rail 8, the sliding rail 8 is fixedly mounted on the bottom wall of the inner cavity 6, a screw 9 is mounted on the inner thread of the connecting seat 7, one end of the screw 9 far away from the connecting seat 7 is rotatably mounted in the side wall of a spacer 10, one end of the screw 9 close to the spacer 10 is fixedly provided with a driven bevel gear 11, the driven bevel gear 11 is meshed with a driving bevel gear 12, wherein the driving bevel gear 12 is fixedly mounted on the outer wall of a rotating shaft 13, the rotating shaft 13 extends out from the bottom of the inner cavity 6, the extending end of the rotating shaft 13 is fixedly provided with a crank 14, the rotating shaft 13 is driven by the crank 14 to rotate, the driven bevel gear 11 is, thereby drive connecting seat 7 and carry out horizontal slip along slide rail 8 for adjust the height of writing lamp body 1, increased the practicality of writing lamp.
Preferably, the middle end of the lead screw 9 is rotatably provided with a bearing seat 15, the bearing seat 15 is fixedly arranged on the bottom wall of the inner cavity 6, the lead screw 9 is supported through the bearing seat 15, and the lead screw 9 is prevented from being broken.
Preferably, the suspension rod 101 is rotatably mounted at the bottom of the wall surface 4 through the mounting rotating shaft 5, so that the suspension rod 101 can rotate around the mounting rotating shaft 5.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention, and the following claims are therefore to be read in this light of the appended claims.
Claims (7)
1. The utility model provides a luminous writing lamp of lens unidirectional projection formula, includes writing lamp body (1), light-emitting component (105) and reflection of light subassembly (106), its characterized in that: writing lamp body (1) sets to the rectangle form to a pair of spout (103) have been seted up to the top left and right sides of writing lamp body (1), be connected with jib (101) through connecting pivot (102) in spout (103), writing lamp body (1) is installed in the below of wall (4) through jib (101), light-emitting window (104) have been seted up in the front of writing lamp body (1) simultaneously, wherein the below of light-emitting window (104) is provided with light-emitting component (105), and the top of light-emitting window (104) is provided with reflection of light subassembly (106).
2. The lens unidirectional projection type luminescent writing lamp as claimed in claim 1, wherein: the LED light source (204) is a patch type light source, wherein the LED light source is fixedly installed on an aluminum substrate, the aluminum substrate is fixedly installed on a light outlet bottom plate (202), the LED light source (204) is wrapped by the Lanbobo body lens (203), and the Lanbobo body lens (203) is a rectangular lens and is tightly attached to the outer side of the LED light source (204).
3. The lens unidirectional projection type luminescent writing lamp as claimed in claim 1, wherein: the light reflecting component (106) is a quadric surface reflector (201), and the quadric surface reflector (201) is fixedly arranged at the top of the light outlet (104).
4. The lens unidirectional projection type luminescent writing lamp as claimed in claim 1, wherein: inner chamber (6) have been seted up to the inside of writing lamp body (1), and the bottom fixed mounting who connects pivot (102) simultaneously has connecting seat (7), and the bottom slidable mounting of connecting seat (7) is in the inside of slide rail (8), and slide rail (8) fixed mounting is on the diapire of inner chamber (6) to lead screw (9) are installed to the inside screw thread of connecting seat (7), and the one end that connecting seat (7) were kept away from in lead screw (9) is rotated and is installed in the lateral wall of spacer (10).
5. The lens unidirectional projection type luminescent writing lamp according to claim 4, characterized in that: one end of the screw rod (9) close to the spacer block (10) is fixedly provided with a driven bevel gear (11), the driven bevel gear (11) is meshed with a driving bevel gear (12), the driving bevel gear (12) is fixedly arranged on the outer wall of a rotating shaft (13), the rotating shaft (13) extends out of the bottom of the inner cavity (6), and meanwhile, the extending end of the rotating shaft (13) is fixedly provided with a crank (14).
6. The lens unidirectional projection type luminescent writing lamp according to claim 4, characterized in that: the middle end of the lead screw (9) is rotatably provided with a bearing seat (15), and the bearing seat (15) is fixedly arranged on the bottom wall of the inner cavity (6).
7. The lens unidirectional projection type luminescent writing lamp as claimed in claim 1, wherein: the hanger rod (101) is rotatably installed at the bottom of the wall surface (4) through an installation rotating shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022957706.0U CN213394973U (en) | 2020-12-09 | 2020-12-09 | Lens one-way projection type luminous writing lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022957706.0U CN213394973U (en) | 2020-12-09 | 2020-12-09 | Lens one-way projection type luminous writing lamp |
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| Publication Number | Publication Date |
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| CN213394973U true CN213394973U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022957706.0U Active CN213394973U (en) | 2020-12-09 | 2020-12-09 | Lens one-way projection type luminous writing lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113701095A (en) * | 2021-08-23 | 2021-11-26 | 江苏新广联光电股份有限公司 | Three-dimensionally adjustable writing board lamp |
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2020
- 2020-12-09 CN CN202022957706.0U patent/CN213394973U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113701095A (en) * | 2021-08-23 | 2021-11-26 | 江苏新广联光电股份有限公司 | Three-dimensionally adjustable writing board lamp |
| CN113701095B (en) * | 2021-08-23 | 2024-01-26 | 江苏新广联光电股份有限公司 | Writing board lamp capable of being adjusted in three dimensions |
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