CN210462541U - Light emitting device - Google Patents
Light emitting device Download PDFInfo
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- CN210462541U CN210462541U CN201921664412.XU CN201921664412U CN210462541U CN 210462541 U CN210462541 U CN 210462541U CN 201921664412 U CN201921664412 U CN 201921664412U CN 210462541 U CN210462541 U CN 210462541U
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Abstract
The utility model discloses a light-emitting device, include: a mounting seat having a mounting surface; the light source is arranged on the mounting surface; the condensing lens is covered on the light source and is connected with the mounting seat; the diffusion cover covers the mounting surface and is connected with the mounting seat, and the diffusion cover comprises a light-emitting part arranged in a curved surface; the thickness of the condenser lens located on a connecting line between the light emitting part and the light source gradually increases as the distance between the light emitting part and the light source gradually increases. The utility model discloses aim at solving light emitting device's light loss and the inhomogeneous scheduling problem of light-emitting, improve the light utilization ratio.
Description
Technical Field
The utility model relates to a lighting apparatus technical field, in particular to illuminator.
Background
In recent years, the LED lighting industry is continuously developing, and LEDs gradually enter the field of general lighting due to the characteristics of high lighting effect, adjustable brightness, long service life and the like. With the development of technology and the improvement of the requirements of people on living quality, high requirements are made on the shape and the light-emitting uniformity of a lamp.
The LED lamp bead is far away from the diffusion cover distance in the existing irregular LED ceiling lamp, the light loss is large, and the problem of low light utilization rate is caused.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide a light-emitting device aims at solving light-emitting device's light loss scheduling problem, improves light utilization ratio.
To achieve the above object, the present invention provides a light emitting device including:
a mounting seat having a mounting surface;
the light source is arranged on the mounting surface;
the condensing lens is covered on the light source and is connected with the mounting seat; and
the diffusion cover covers the mounting surface and is connected with the mounting seat, and the diffusion cover comprises a light-emitting part arranged in a curved surface;
the thickness of the condenser lens located on a connecting line between the light emitting part and the light source gradually increases as the distance between the light emitting part and the light source gradually increases.
In one embodiment, the distance between the light emitting portion and the light source gradually increases from an end adjacent to the mounting surface to an end distant from the mounting surface.
In one embodiment, the light emitting portion has an arc shape.
In one embodiment, the condenser lens has a light incident surface and a light emitting surface, and a distance between the light incident surface and the light emitting surface gradually increases from an end adjacent to the mounting surface to an end away from the mounting surface.
In one embodiment, the light emitting portion is provided with a mounting groove adjacent to the mounting surface, the light emitting device further includes a baffle plate disposed on the mounting seat, and one end of the baffle plate is limited in the mounting groove.
In one embodiment, the thickness of the baffle plate is 4 mm-6 mm;
and/or the baffle is made of glass.
In one embodiment, the condensing lens includes a condensing portion and an installation portion connected to the condensing portion, the installation seat is provided with an installation hole adjacent to the installation surface, and the installation portion is arranged in the installation hole in a penetrating manner.
In one embodiment, the diffusion cover further includes a side portion integrally connected to the light emitting portion, the side portion has a notch corresponding to the mounting hole, and the mounting portion passes through the notch and is inserted into the mounting hole.
In one embodiment, the mounting seat comprises a bottom plate and a side plate arranged at an included angle with the bottom plate, the bottom plate is provided with the mounting surface, the bottom plate and the side plate enclose to form an L shape, one end of the light-emitting part is connected with the bottom plate, and the other end of the light-emitting part is connected with the side plate.
In one embodiment, the light source comprises a substrate arranged on the mounting surface and a lamp bead arranged on the substrate, and the condensing lens is covered on the lamp bead;
the bottom plate is made of glass; and/or the substrate is an aluminum substrate.
The utility model discloses technical scheme's illuminator utilizes the condensing lens cover to locate the light source through setting up condensing lens for the light that the light source sent passes through behind the condensing lens, let the many light of the local gathering far away from the illuminating part of diffusion cover curved surface, the few light of the local gathering near the illuminating part of diffusion cover curved surface is favorable to promoting the light source and sends the light-emitting homogeneity behind the light transmission diffusion cover, has effectively solved the light loss scheduling problem of diffusion cover, thereby has improved the light utilization ratio.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a light emitting device of the present invention.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Also, the meaning of "and/or" and/or "appearing throughout is meant to encompass three scenarios, exemplified by" A and/or B "including scenario A, or scenario B, or scenarios where both A and B are satisfied.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a light-emitting device 100. It is understood that the light emitting device 100 can be applied to the field of lamps, such as curved LED ceiling lamps.
Referring to fig. 1, in an embodiment of the invention, the light emitting device 100 includes a mounting base 1, a light source 2, a condensing lens 3 and a diffusion cover 4. Wherein, the mounting seat 1 is provided with a mounting surface 111; the light source 2 is arranged on the mounting surface 111; the condensing lens 3 is covered on the light source 2 and is connected with the mounting seat 1; the diffusion cover 4 covers the mounting surface 111 and is connected with the mounting seat 1, and the diffusion cover 4 comprises a light-emitting part 42 arranged in a curved surface; as the distance between the light emitting part 42 and the light source 2 gradually increases, the thickness of the condenser lens 3 located on the connecting line between the light emitting part 42 and the light source 2 gradually increases.
In the present embodiment, the mounting base 1 is used for mounting and fixing the light source 2, the condenser lens 3 and the diffusion cover 4, and the mounting base 1 may be a mounting plate, a mounting table, a lamp holder or a lamp holder, which is not limited herein. Of course, in other embodiments, the mounting base 1 may be configured to have a certain height difference in order to properly mount and fix the structures such as the light source 2, the condenser lens 3, and the diffusion cover 4, so that the relevant structures can match and cooperate with each other.
In one embodiment, the lighting device 100 may be selected as a curved LED pendant. It should be understood that the structure of the mounting base 1 can adopt a curved surface structure, and it should be noted that the curved surface structure can be understood as an asymmetric or irregular structure, such as the light emitting device 100 with an L-shaped structure.
As shown in fig. 1, in the present embodiment, the mounting base 1 includes a bottom plate 11 and a side plate 12 disposed at an angle to the bottom plate 11. Optionally, the bottom plate 11 and the side plate 12 enclose an L-shape. It will be appreciated that the base plate 11 is provided with a mounting surface 111, i.e. the light source 2 is provided on the mounting surface 111 of the base plate 11. In this embodiment, the light source 2 may be fixedly connected to the mounting surface 111 of the bottom plate 11 by welding or interference fit. Of course, the light source 2 may also be detachably connected, for example, by a snap connection, a plug fit, a screw connection, or a pin connection, and the like, and is detachably disposed on the mounting surface 111 of the bottom plate 11, which is not limited herein.
It is understood that, in order to improve the light condensing effect, the light condensing lens 3 may be a concave lens, that is, the light condensing lens 3 is provided with a groove structure. When the condensing lens 3 is covered on the light source 2, the groove structure of the condensing lens 3 and the mounting surface 111 of the bottom plate 11 enclose to form a cavity, and the light source 2 is located in the cavity.
As shown in fig. 1, the condenser lens 3 has a light incident surface 311 and a light emitting surface 312. It can be understood that the thickness of the condenser lens 3 is the distance between the light incident surface 311 and the light emitting surface 312, that is, along the light emitting direction, the distance between the light incident surface 311 and the light emitting surface 312 of the condenser lens 3 on the connecting line of the light emitting direction is the thickness of the condenser lens 3.
It can be understood that the surface of the condenser lens 3 adjacent to the light source 2 and facing the light source 2 is the light incident surface 311, and the surface of the condenser lens 3 facing away from the light source 2 is the light emitting surface 312, so that after the light source 2 emits light, the light enters the condenser lens 3 through the light incident surface 311 of the condenser lens 3, and is emitted from the light emitting surface 312 of the condenser lens 3 after being refracted or reflected, thereby realizing the light collection, so that a large amount of light is collected at a position of the light source 2 far from the light emitting part 421 of the curved surface of the diffusion cover 4, and a small amount of light is collected at a position of the light emitting part 421 of the curved surface of the diffusion cover 4. As can be appreciated, the condensing lens 3 effectively reduces light loss and improves light utilization.
In one embodiment, as shown in fig. 1, one end of the light-emitting portion 421 of the diffusion cover 4 is connected to the bottom plate 11, and the other end of the light-emitting portion 421 is connected to the side plate 12, so that the L-shaped mounting seat 1 and the light-emitting portion 421 of the diffusion cover 4 enclose a mounting cavity, and the light source 2 and the condensing lens 3 are both mounted in the mounting cavity. It can be understood that the distance between the end of the light emitting portion 421 adjacent to the side plate 12 and the light source 2 is greater than the distance between the end of the light emitting portion 421 adjacent to the mounting surface 111 of the bottom plate 11 and the light source 2, so that the light emitting portion 421 of the diffusion cover 4 forms a curved surface structure.
In one embodiment, as shown in fig. 1, the distance between the light emitting portion 421 and the light source 2 gradually increases from one end adjacent to the mounting surface 111 to one end away from the mounting surface 111, that is, from one end of the light emitting portion 421 adjacent to the mounting surface 111 of the bottom plate 11 to one end of the light emitting portion 421 adjacent to the side plate 12. Alternatively, the light emitting portion 421 has an arc shape, that is, the L-shaped mounting seat 1 and the light emitting portion 421 of the diffusion cover 4 form a right-angled fan structure with different radii.
The utility model discloses a light emitting device 100 is through setting up condensing lens 3, utilize condensing lens 3 to cover and locate light source 2, make the light that light source 2 sent pass through condensing lens 3 after, let the many light of the local gathering far away from the illuminating part 421 of the 4 curved surfaces of diffusion cover, the few light of the local gathering near the illuminating part 421 of the 4 curved surfaces of diffusion cover, thereby it is even to realize whole light-emitting, the light loss and the inhomogeneous scheduling problem of light-emitting of curved surface diffusion cover 4 have effectively been solved, thereby light utilization ratio has been improved.
In order to further solve the problem of uniformity of light emitted from the curved light emitting portion 421 of the diffusion cover 4 of the light source 2, in an embodiment, as shown in fig. 1, after the cover of the condenser lens 3 is disposed on the light source 2, the end of the groove of the condenser lens 3 abuts against the mounting surface 111 of the bottom plate 11, and the distance between the light incident surface 311 and the light emitting surface 312 gradually increases from the end adjacent to the mounting surface 111 to the end away from the mounting surface 111, that is, from the end of the groove of the condenser lens 3 to the bottom of the groove of the condenser lens 3.
It can be understood that the distance between the light incident surface 311 of the condenser lens 3 and the light emitting surface 312 of the condenser lens 3 and the distance between the light source 2 and the curved light emitting part 421 of the diffusion cover 4 have a certain corresponding relationship, that is, the larger the distance between the light source 2 and the curved light emitting part 421 of the diffusion cover 4 is, the larger the distance between the light incident surface 311 of the condenser lens 3 and the light emitting surface 312 of the condenser lens 3 in the light emitting direction of the light source 2 is.
In this embodiment, the light emitting angle of the light source 2 may be 120 °, that is, the included angle between the mounting surface 111 of the bottom plate 11 and the light emitting line of the light source 2 is not less than 30 °, and at this time, a shadow is formed in the angle range corresponding to 30 ° by the curved light emitting portion 421 of the diffusion cover 4, thereby affecting the appearance of the light emitting device 100.
In one embodiment, as shown in fig. 1, the light emitting portion 421 has a mounting groove 422 adjacent to the mounting surface 111, and the light emitting device 100 further includes a baffle 5 disposed on the mounting base 1, wherein one end of the baffle 5 is limited in the mounting groove 422.
In the present embodiment, by providing the baffle 5, the shadow of the curved light emitting portion 421 of the diffusion cover 4 can be effectively blocked, and the appearance of the light emitting device 100 can be improved. It can be understood that one end of the diffusion cover 4 adjacent to the mounting surface 111 is provided with a mounting groove 422, and a notch of the mounting groove 422 faces outward, that is, the mounting groove 422 is located outside a mounting cavity formed by the diffusion cover 4 and the mounting seat 1. The baffle 5 is disposed on the bottom plate 11 of the mounting seat 1, and one end of the baffle 5 is limited in the mounting groove 422.
It is understood that the baffle 5 can be fixedly connected, for example, welded or interference fit, and fixedly arranged in the bottom plate 11 or the mounting groove 422 of the mounting seat 1. Of course, the baffle 5 may also be detachably mounted in the bottom plate 11 or the mounting groove 422 of the mounting seat 1 by a detachable connection method, such as a snap connection, a plug fit, a screw connection, or a pin connection, which is not limited herein.
In one embodiment, the baffle 5 is made of glass. It is understood that the appearance of the light-emitting device 100 may be further improved by providing a decoration on the barrier 5.
In one embodiment, the thickness of the baffle 5 is 4mm to 6mm, so that the shadow of the curved light emitting portion 421 of the diffusion cover 4 can be effectively blocked, and the appearance of the light emitting device 100 can be improved. Optionally, the thickness of the baffle 5 is 4mm, 5mm, 6 mm.
In one embodiment, as shown in fig. 1, the light source 2 includes a substrate 21 disposed on the mounting surface 111 and a lamp bead 22 disposed on the substrate 21, and the condensing lens 3 covers the lamp bead 22.
It can be understood that the light source 2 may include one or more lamp beads 22, and the one or more lamp beads 22 are disposed on the substrate 21 and are electrically connected to an external power source through the substrate 21. In order to effectively solve the problem of light-emitting uniformity, each light bead 22 corresponds to each condensing lens 3, that is, each condensing lens 3 is covered on each light bead 22. Base plate 21 can be selected as aluminium base board, and lamp pearl 22 can be selected as the LED lamp.
In one embodiment, as shown in fig. 1, the condensing lens 3 includes a condensing portion 31 and a mounting portion 32 connected to the condensing portion 31, the mounting base 1 is provided with a mounting hole adjacent to the mounting surface 111, and the mounting portion 32 is inserted into the mounting hole.
It can be understood that the light-gathering part 31 of the light-gathering lens 3 covers the lamp bead 22, and the light-gathering lens 3 is mounted on the mounting base 1 through the mounting part 32. In the present embodiment, in order to achieve a firm mounting of the condenser lens 3, the mounting base 1 is provided with a mounting hole adjacent to the mounting surface 111, and the mounting portion 32 is inserted into the mounting hole. Specifically, a mounting hole is formed in one end of the side plate 12 of the mounting base 1, which is adjacent to the bottom plate 11, and an end of the mounting portion 32 of the condenser lens 3, which is far away from the condensing portion 31, is inserted into the mounting hole.
It is understood that the mounting portion 32 of the condenser lens 3 can be fixed in the mounting hole of the side plate 12 by a fixing connection method, such as welding or interference fit. Of course, the mounting portion 32 of the condenser lens 3 may be detachably mounted in the mounting hole of the side plate 12 by a detachable connection method, such as a snap connection, a plug-in fit, a screw connection, or a pin connection, which is not limited herein.
In one embodiment, as shown in fig. 1, the diffusion cover 4 further includes a side portion 41 integrally connected to the light emitting portion 42, the side portion 41 is opened with a notch 411 corresponding to the mounting hole, and the mounting portion 32 passes through the notch 411 and is inserted into the mounting hole.
It is understood that, in order to avoid the light leakage phenomenon, the diffusion cover 4 includes the side portion 41 and the light emitting portion 42. Alternatively, the side portion 41 and the light emitting portion 42 are integrally molded. In the present embodiment, the side portion 41 of the diffusion cover 4 is disposed corresponding to the side plate 12 of the mounting base 1 and connected to an end of the bottom plate 11 adjacent to the side plate 12, and the light-emitting portion 42 extends from an end of the side plate 12 far from the bottom plate 11 to an end of the bottom plate 11 far from the side plate 12 and is connected to an end of the bottom plate 11 far from the side plate 12.
In order to mount and fix the mounting portion 32 of the condenser lens 3, the side portion 41 is provided with a notch 411 corresponding to the mounting hole, and the mounting portion 32 of the condenser lens 3 passes through the notch 411 and is inserted into the mounting hole. It can be understood that the shape contour of the notch 411 of the side portion 41 matches the shape contour of the mounting portion 32, so that the mounting portion 32 of the condenser lens 3 can effectively close the notch 411 of the side portion 41, and light leakage is avoided.
In one embodiment, the bottom plate 11 of the mounting base 1 is made of glass.
In the present embodiment, the diffusion cover 4 has a relatively high height and a relatively narrow width, that is, the side portion 41 has a relatively long length, one end of the side portion 41 of the diffusion cover 4 is connected to the light emitting portion 42, and the width of the diffusion cover 4 gradually increases from the end of the side portion 41 connected to the light emitting portion 42 to the other end of the side portion 41.
It can be understood that the end of the diffusion cover 4 where the light-emitting portion 42 is connected to the side portion 41 is located at a greater distance from the light source 2, and the end of the light-emitting portion 42 adjacent to the mounting surface 111 (i.e., the end of the light-emitting portion 42 located away from the side portion 41) is located at a lesser distance from the light source 2. Through setting up condensing lens 3, utilize condensing lens 3 cover to locate light source 2 for the light that light source 2 sent passes through condensing lens 3 back, let the light that the place focus far away from the illuminating part 421 of the 4 curved surfaces of diffusion cover is many, the light that the place focus is few near the illuminating part 421 of the 4 curved surfaces of diffusion cover, thereby it is even to realize whole light-emitting, the light loss and the inhomogeneous scheduling problem of light-emitting of curved surface illuminating part have effectively been solved, thereby light utilization ratio has been improved. In this embodiment, the condensing lens 3 is a condensing lens having an irregular curve, and can condense and disperse light.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A light-emitting device, comprising:
a mounting seat having a mounting surface;
the light source is arranged on the mounting surface;
the condensing lens is covered on the light source and is connected with the mounting seat; and
the diffusion cover covers the mounting surface and is connected with the mounting seat, and the diffusion cover comprises a light-emitting part arranged in a curved surface;
the thickness of the condenser lens located on a connecting line between the light emitting part and the light source gradually increases as the distance between the light emitting part and the light source gradually increases.
2. The light-emitting device according to claim 1, wherein a distance between the light-emitting portion and the light source gradually increases from an end adjacent to the mounting surface to an end distant from the mounting surface.
3. The light-emitting device according to claim 2, wherein the light-emitting portion has an arc shape.
4. The light-emitting device according to claim 2, wherein the condenser lens has an incident surface and an exit surface, and a distance between the incident surface and the exit surface gradually increases from an end adjacent to the mounting surface to an end away from the mounting surface.
5. The light-emitting device according to any one of claims 1 to 4, wherein the light-emitting portion has a mounting groove adjacent to the mounting surface, and the light-emitting device further comprises a baffle plate disposed on the mounting seat, and one end of the baffle plate is retained in the mounting groove.
6. The light-emitting apparatus according to claim 5, wherein the thickness of the baffle is 4mm to 6 mm;
and/or the baffle is made of glass.
7. The light-emitting device according to any one of claims 1 to 4, wherein the condenser lens includes a condensing portion and a mounting portion connected to the condensing portion, the mounting seat is provided with a mounting hole adjacent to the mounting surface, and the mounting portion is inserted into the mounting hole.
8. The light-emitting device according to claim 7, wherein the diffusion cover further comprises a side portion integrally connected to the light-emitting portion, the side portion having a notch corresponding to the mounting hole, and the mounting portion passing through the notch and being inserted into the mounting hole.
9. The light-emitting device according to any one of claims 1 to 4, wherein the mounting base includes a bottom plate and a side plate disposed at an angle to the bottom plate, the bottom plate is provided with the mounting surface, the bottom plate and the side plate enclose an L-shape, one end of the light-emitting portion is connected to the bottom plate, and the other end of the light-emitting portion is connected to the side plate.
10. The lighting device according to claim 9, wherein the light source includes a substrate disposed on the mounting surface and a lamp bead disposed on the substrate, and the condensing lens is disposed on the lamp bead;
the bottom plate is made of glass; and/or the substrate is an aluminum substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921664412.XU CN210462541U (en) | 2019-09-30 | 2019-09-30 | Light emitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921664412.XU CN210462541U (en) | 2019-09-30 | 2019-09-30 | Light emitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210462541U true CN210462541U (en) | 2020-05-05 |
Family
ID=70434970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921664412.XU Active CN210462541U (en) | 2019-09-30 | 2019-09-30 | Light emitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210462541U (en) |
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2019
- 2019-09-30 CN CN201921664412.XU patent/CN210462541U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230221 Address after: 1010-1011, 10 / F, block D, Shenzhen Aerospace Science and Technology Innovation Research Institute building, no.6, Keji south 10 road, high tech South Zone, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: SHENZHEN H&T INTELLIGENT CONTROL Co.,Ltd. Address before: 518100 4th Floor, R&D Building, Heertai Industrial Park, Geyu Road, Gongming Street Mold Base, Guangming New District, Shenzhen, Guangdong Province Patentee before: SHENZHEN H&T INTELLIGENT LIGHTING Co.,Ltd. |
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| TR01 | Transfer of patent right |