WO2018187991A1

WO2018187991A1 - Indicator light and aircraft comprising same

Info

Publication number: WO2018187991A1
Application number: PCT/CN2017/080286
Authority: WO
Inventors: 农贵升; 张蕾; 唐尹
Original assignee: 深圳市大疆创新科技有限公司
Priority date: 2017-04-12
Filing date: 2017-04-12
Publication date: 2018-10-18
Also published as: CN108513566B; CN108513566A

Abstract

An indicator light and an aircraft comprising same. The indicator light (200) comprises a housing (1) and a light source (2) provided in the housing (1), and further comprises a light guide component (4) for leading the light emitted from the light source (2) out of the housing (1). The light guide component (4) comprises a lead-in part (41) accommodated in the housing (1) and matching the light source (2), and a lead-out part (42) protruded out of the housing (1). The lead-in part (41) comprises a first slope (411) located above the light source (2). By providing a light guide component, the light of a light source is led out, the structure is simple, the projection effect of the light is fully considered, and the light effect is good. When the light emitted from the light source is shielded by a barrier within a housing, the light can be smoothly led out of the housing by means of a first slope so that the light can be emitted at the direction where the light is shielded, and the light led out of the housing is uniformly distributed.

Description

Indicator light and aircraft with the indicator

Technical field

The present invention relates to the field of indicator lights, and more particularly to an indicator light and an aircraft having the same.

Background technique

In the existing market, the light source is mostly directly emitted from the outside of the lamp housing. It only considers the direct visual effect of the light emitted by the light source, and does not consider the projection effect of the light emitted by the light source, resulting in an unsatisfactory light effect.

In addition, considering the design of the miniaturization of the product, due to the limitation of the internal space of the lamp housing, it is necessary to properly arrange the light source and related devices (such as capacitors) inside the lamp housing. In order to make full use of the inner space of the lamp housing, it is necessary to arrange the relevant device relatively tightly around the light source. Due to the height of the related device and the influence of the arrangement position of the lamp, the related device may block the light of the light source, thereby causing the light of the light source not to be uniformly emitted. The outside of the casing, which causes the light to not reach the desired position.

Summary of the invention

The invention provides an indicator light and an aircraft having the indicator light.

According to a first aspect of the present invention, an indicator light includes a housing, a light source disposed in the housing, and the indicator light further includes a light guiding member for guiding light emitted from the light source out of the housing, the light guiding The component includes an introduction portion housed within the housing and mated with the light source and a lead-out portion protruding from the housing, the introduction portion including a first sloped surface above the light source.

According to a second aspect of the present invention, an aircraft includes an airframe and an indicator light disposed on the body, the indicator light including a housing, a light source disposed in the housing, and the indicator light is further included a light guiding member for guiding light emitted from the light source to the outside of the housing, the light guiding member comprising an introduction portion housed in the housing and cooperating with the light source, and a lead portion protruding from the housing, The introduction portion includes a first sloped surface above the light source.

It can be seen from the technical solutions provided by the embodiments of the present invention that the light guide of the light source is provided by the light guiding component, the structure is simple, and the projection effect of the light is fully considered, and the lighting effect is good. Moreover, when the light emitted by the light source is blocked by an obstacle (for example, a capacitor) that is also disposed in the casing and higher than the light source, so that the light cannot be emitted from the blocked direction, the light can be smoothly led out of the casing through the first inclined surface. So that light can be emitted from the occluded direction, so that the light emitted outside the casing is evenly distributed.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. Other drawings may also be obtained from those of ordinary skill in the art in view of the drawings.

1 is a cross-sectional view of an indicator light according to an embodiment of the present invention;

2 is a schematic diagram of a light path of an indicator light according to an embodiment of the present invention;

3 is a perspective view of an indicator light according to an embodiment of the present invention;

4 is a perspective view of an aircraft in accordance with an embodiment of the present invention.

Reference mark:

100: body; 200; indicator light; 300: arm;

1: housing; 11: accommodation space; 12: top piece; 13: bottom case;

2: light source; A-A: central axis;

3: capacitance;

4: light guiding member; 41: introducing portion; 411: first inclined surface; 412: second inclined surface; 413: light mixing groove; 42: deriving portion;

5: Light blocking member.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

The indicator light 200 of the present invention and the aircraft having the indicator light 200 will be described in detail below with reference to the accompanying drawings. The features of the embodiments and embodiments described below may be combined with each other without conflict.

Referring to FIG. 1 , an indicator light 200 is provided in an embodiment of the present invention. The indicator light 200 includes a housing 1 , a light source 2 disposed in the housing 1 , and a light guiding member 4 . The light guiding member 4 is configured to guide the light emitted from the light source 2 to the outside of the casing 1 and includes an introduction portion 41 and a lead portion 42. The introduction portion 41 is housed in the casing 1 and mated with the light source 2, and the lead portion 42 is protruded from the casing 1, and the introduction portion 41 includes a first slope 411 located above the light source 2.

In this embodiment, the light emitted from the light source 2 is refracted into the introduction portion 41 through the bottom surface of the introduction portion 41, and then reflected by the first slope 411, and directly led out by the lead portion 42, thereby guiding the light located in the casing 1 to the shell. Outside the body 1. In the present embodiment, the light source 2 of the introduction portion 41 is adapted to mean that light incident on the light source 2 is incident on the introduction portion 41.

In the embodiment of the invention, the light guiding component 4 is arranged to derive the light of the light source 2, the structure is simple, and the projection effect of the light is fully considered, and the lighting effect is better. Moreover, when the light emitted by the light source 2 is blocked by an obstacle (for example, the capacitor 3) which is also disposed in the casing 1 and higher than the light source 2, so that the light cannot be emitted from the blocked direction, the first inclined surface 411 can be passed. Smooth light The outside of the casing 1 is led out so that light can be emitted from the occluded direction, so that the light emitted outside the casing 1 is evenly distributed.

Referring also to FIG. 1, in order to cause the light to be emitted from the different directions to the deriving portion 42 so that the finally output light is evenly distributed, the introduction portion 41 further includes a second inclined surface 412 for emitting a part of the light from the first inclined surface 411. It is derived in a direction different from the first slope 411 to emit light. By providing the second slope 412, the light emitted by the first slope 411 is emitted in different directions, that is, the light emitted by the lead portion 42 is directed in a different direction, so that the light distribution of the emitted light is more uniform.

In this embodiment, the first inclined surface 411 and the second inclined surface 412 both emit light in a reflective manner. Optionally, the first inclined surface 411 is used to totally illuminate the light incident on the first inclined surface 411, so that the light emitted by the light source 2 can be sufficiently derived to avoid the loss of the light energy emitted by the light source 2 by the refraction. Optionally, the second inclined surface 412 leads the light incident on the second inclined surface 412 by total reflection, so that the light incident on the second inclined surface 412 can be completely derived, thereby avoiding loss of light energy caused by the refraction.

Referring to FIG. 2, in order to make the light uniformly emitted, optionally, the first inclined surface 411 reflects the incident light, and the emitted light is parallel light, and the second inclined surface 412 reflects the incident light, and the emitted light is also parallel light. . Part of the parallel light emitted by the first inclined surface 411 is incident on the second inclined surface 412, and the second parallel inclined surface 412 reflects the partially parallel light into parallel light, and is refracted from the lead portion 42. The other parallel light emitted by the first inclined surface 411 is Directly refracted from the deriving unit 42.

Alternatively, the angle of the light incident from the light source 2 to the introduction portion 41 is varied, that is, the light source 2 is non-parallel light, and the first inclined surface 411 converts the non-parallel light emitted from the light source 2 into parallel light. In some examples, the light source 2 is selected to have an LED with advantages of low energy consumption, long life, and environmental protection. Of course, the light source 2 can also be selected as other light sources 2 capable of emitting non-parallel light. The selection of the light source 2 in this embodiment is not specifically limited, and any light source 2 capable of emitting non-parallel light is within the scope of the present invention.

In this embodiment, the design process of the first inclined surface 411 includes: taking the light beams emitted by the five light sources 2 according to the principle of total reflection of light, and recording them as a2, b2, c2, d2, and e2, corresponding to the final emission and output portion 42. Light beams a, b, c, d and e. According to the beams a, b, c, d, and e, the parallel light beams a1, b1, and c1 located inside the light guiding member 4 corresponding to the beams a, b, c, d, and e are calculated by the law of refraction of light. D1 and e1, the intersection points of the light beams a2, b2, c2, d2, and e2 and the light beams a1, b1, c1, d1, and e1 obtain the contour points of the first inclined surface 411, and the obtained contour points are connected by a smooth curve, that is, the first A slope 411.

Continuing to refer to FIG. 2 , the introduction portion 41 further includes a light mixing groove 413 disposed between the first inclined surface 411 and the second inclined surface 412 , so that the light emitted by the first inclined surface 411 is further mixed through the light mixing groove 413 . Evenly. Optionally, the height of the light mixing groove 413 is equal to the vertical height of the first inclined surface 411, so that the relationship ejected by the first inclined surface 411 passes through the light mixing groove 413, and is uniformly mixed in the light mixing groove 413. A portion of the portion enters the second slope 412 and the other portion directly exits the outlet portion 42.

Optionally, in conjunction with FIG. 1 and FIG. 2, the light guiding member 4 is symmetrically disposed along the central axis AA of the light source 2, and the light guiding member 4 is symmetrically disposed, thereby deriving the pair of light rays emitted from the light source 2, so that the final derived Light is more diverse to suit specific application scenarios, such as some applications that require special effects such as stage lights. In this embodiment, the first slopes 411 are symmetrically disposed to form a tapered surface. In order to make the light symmetry out of the housing, the apex of the tapered surface is located directly above the light source 2, so that the light emitted by the light source 2 can be completely incident on the tapered surface after being refracted by the bottom surface of the light guiding member 4, so that The light emitted from the light source 2 can be fully utilized.

The area of the tapered surface can be set according to the area of the largest coverage area of the light incident on the tapered surface. To make full use of the light emitted by the light source 2, optionally, the area of the tapered surface is set equal to the area of the largest coverage area of the light incident on the tapered surface. Alternatively, the area of the tapered surface is set to be slightly larger than the area of the largest coverage area of the light incident on the tapered surface, and the design requirements can be more easily achieved while making full use of the light emitted from the light source 2.

Referring to Figure 2, the design process of the tapered surface includes: according to the principle of total reflection of light, respectively, 5 The light beams emitted from the beam light source 2 are denoted by a2, b2, c2, d2, and e2, and correspond to the light beams a, b, c, d, and e of the final emission lead-out portion 42. According to the beams a, b, c, d, and e, the parallel light beams a1, b1, and c1 located inside the light guiding member 4 corresponding to the beams a, b, c, d, and e are calculated by the law of refraction of light. D1 and e1, the intersection of the light beams a2, b2, c2, d2, and e2 with the light beams a1, b1, c1, d1, and e1 obtain the contour points of the first inclined surface 411, and the obtained contour points are connected by a smooth curve to obtain an approximation. The total reflection curve, with the central axis AA of the light source 2 as an axis, is scanned one turn to finally obtain a tapered surface.

Referring to Fig. 3, the lead-out portion 42 is an annular member to form a ring-shaped light source 2. In the present embodiment, the first inclined surface 411 is a circular tapered surface so as to be engaged with the annular lead-out portion 42, and finally an annular light is formed on the surface of the lead-out portion 42.

Further, the inner annular surface of the lead-out portion 42 is provided with a groove to obtain a special effect light having a variety of appearances. The number of grooves can be selected according to actual scene requirements. Optionally, the grooves are at least two, such as eight, sixteen, and the like. The distribution pattern of the grooves can also be set as needed. Considering the aesthetics of the light emitted from the lead-out portion 42, at least two of the grooves are evenly distributed on the inner annular surface of the lead-out portion 42, that is, the inner ring of the lead-out portion 42. The surface is designed as a uniformly distributed grid of solid and air phases, so that the light emitted by the deriving portion 42 has a regular spot, which satisfies the demand for special effects light in a specific application scenario. Of course, the grooves may also be randomly distributed on the inner annulus of the lead portion 42. The shape of the groove can also be set according to actual special effects requirements. For example, the groove can be a rectangle, a triangle, a pentagonal star or the like. Preferably, the grooves are rectangular.

1 and 3, the housing 1 may include a top piece 12 and a bottom case 13.

Alternatively, the top member 12 is covered on the introduction portion 41 so as to block light from being emitted from the introduction portion 41, that is, light can be emitted only from the lead portion 42, thereby forming light having a shape similar to the outer surface of the lead portion 42. In order to cooperate with the annular lead-out portion 42, optionally, the top member 12 is circular, and the inner annular surface of the top member 12 is with a clearance fit, so that the lead-in portion 41 is completely covered by the top member 12. In order to prevent light from being emitted from the tip end of the introduction portion 41.

In addition, the top member 12 is provided with a protrusion for the user to hold the protrusion, so that the top member 12 is placed on the top of the introduction portion 41. Alternatively, the length of the projection is equal to the diameter of the circular top member 12, so that the appearance of the indicator light 200 is more aesthetically pleasing. Optionally, the edge of the top piece 12 is arc-shaped to further ensure the aesthetic appearance of the product.

Alternatively, the lead-out portion 42 is interposed between the bottom case 13 and the top member 12, and the light guide member 4 is fixed by the clamping force of the bottom case 13 and the top member 12 to prevent the light guide member 4 from rattling. Optionally, the lead-out portion 42 and the top member 12 are fixed by a concave-convex fit. For example, the lead-out portion 42 is provided with a snap-in end of the snap-on top member 12, or the top member 12 is provided with a snap-out portion 42. Card connector. Optionally, the lead portion 42 and the bottom case 13 are also fixed by a concave-convex fit. For example, the lead-out portion 42 is provided with a snap-in end of the snap-in bottom case 13 or the bottom case 13 is provided with a snap-out portion 42. Card connector.

The housing 1 includes a receiving space 11. Optionally, the receiving space 11 is disposed on the bottom case 13 , and the receiving space 11 is provided with a light source 2 and a capacitor 3 and the like. Optionally, the receiving space 11 is formed between the top piece 12 and the bottom case 13.

In order to ensure the miniaturization of the product, the light source 2 and the capacitor 3 in the housing space 11 are compactly arranged. Alternatively, the capacitor 3 is disposed on one side of the light source 2, and the height of the capacitor 3 is higher than the height of the light source 2. When a part of the light emitted by the light source 2 is blocked by the capacitor 3 and cannot be emitted outside the casing 1, so that the light outside the casing 1 is uneven, the light is smoothly passed through the first slope 411. The outside of the casing 1 is led out so that light can be emitted from the blocked direction, so that the light emitted outside the casing 1 is evenly distributed.

The light source 2 can be fixed to the bottom case 13 by means of snapping, threading, etc., and the fixing manner of the light source 2 in this embodiment is not specifically limited.

1 , 2 and 3, the indicator light 200 of the embodiment of the present invention further includes a light blocking member 5 disposed on the side wall of the lead-out portion 42 and fixed to the casing 1 to block the export. The excess light emitted from the side of the portion 42 prevents light leakage and affects the lighting effect.

Optionally, the light blocking member 5 covers the side wall of the lead portion 42 near the bottom, so as far as possible Excess light rays emitted from the bottom side wall of the lead-out portion 42 are shielded so that light can be emitted only from the surface of the portion of the lead-out portion 42 where the light-blocking member 5 is not covered.

In order to ensure the appearance of the indicator light 200, in conjunction with FIGS. 1 and 2, the outer edge of the lead-out portion 42 has an arc shape. For example, the edge of the inner surface of the lead-out portion 42 has an arc shape, and the outer portion of the lead-out portion 42 of the lead-out portion 42 The edges are also arcuate.

In addition, in order to realize the uniformly distributed ring type spot of the embodiment, a ring-shaped light-emitting strip or a light-emitting strip may be directly disposed inside the light-guiding member 4, wherein the light-emitting strip or the light-emitting strip is evenly distributed.

It should be noted that the indicator light 200 provided by the embodiment of the present invention can be applied to equipments such as aircrafts, home appliances, automobiles, etc., to provide special effects light to these devices.

The embodiment of the present invention further illustrates the application of the indicator light 200 to the aircraft.

Referring to FIG. 4, an embodiment of the present invention provides an aircraft including a body 100 and the indicator light 200, wherein the indicator light 200 is disposed on the body 100.

Optionally, the aircraft is an unmanned aerial vehicle. It should be noted that although the UAV of the present embodiment can be described as a multi-rotor UAV, such description is not limiting, and those skilled in the art will appreciate that any type of UAV is applicable.

Optionally, the aircraft further includes an arm 300, and the indicator light 200 is fixed to the body 100 by the arm 300. In order to fix the indicator light 200 to the body 100, the arm 300 optionally includes a sleeve hole for arranging the outside of the housing 1. Optionally, the housing 1 of the indicator light 200 is snap-connected to the arm 300. Optionally, the housing 1 of the indicator light 200 is fixedly coupled to the arm 300 by means of a thread.

In the description of the present invention, "upper", "lower", "front", "rear", "left", "right" should be understood as an indicator light formed by the top member 12 and the bottom case 13 in order from top to bottom. 200 "up", "down", "front", "back", "left", "right" direction.

It should be noted that in this paper, relational terms such as first and second are only It is used to distinguish one entity or operation from another entity or operation, and does not necessarily require or imply any such actual relationship or order between those entities or operations. The terms "including", "comprising" or "comprising" or "comprising" are intended to include a non-exclusive inclusion, such that a process, method, article, or device that comprises a plurality of elements includes not only those elements but also other items not specifically listed Elements, or elements that are inherent to such a process, method, item, or device. An element that is defined by the phrase "comprising a ..." does not exclude the presence of additional equivalent elements in the process, method, item, or device that comprises the element.

The indicator light provided by the embodiment of the present invention and the aircraft having the indicator light are described in detail. The principle and implementation manner of the present invention are described in the following. The description of the above embodiment is only used to help understand The method of the present invention and its core idea; at the same time, for those skilled in the art, according to the idea of the present invention, there will be changes in the specific implementation manner and the scope of application. It is understood to be a limitation of the invention.

Claims

An indicator light includes a housing and a light source disposed in the housing, wherein the indicator light further includes a light guiding member for guiding light emitted from the light source to the outside of the housing.

The light guiding member includes an introduction portion housed in the housing and mated with the light source, and a lead portion protruding from the housing, the introduction portion including a first sloped surface above the light source.
The indicator light according to claim 1, wherein the introduction portion further comprises a second inclined surface, wherein the second inclined surface is configured to emit a portion of the light emitted from the first inclined surface along a light different from the first inclined surface. The direction of the export.
The indicator light according to claim 2, wherein the introduction portion further comprises a light mixing groove, and the light mixing groove is disposed between the first inclined surface and the second inclined surface.
The indicator light according to any one of claims 1 to 3, characterized in that the light guiding member is disposed bilaterally symmetrically along a central axis of the light source.
The indicator light according to claim 4, wherein the lead-out portion is an annular member.
The indicator light according to claim 5, wherein the inner annular surface of the lead-out portion is provided with a groove.
The indicator light according to claim 6, wherein at least two of said grooves are formed, and at least two of said grooves are evenly distributed on an inner annular surface of said lead-out portion.
The indicator light according to claim 1, wherein said housing includes a top member, and said top member is provided on said introduction portion.
The indicator light according to claim 8, wherein the housing further comprises a bottom case, and the lead-out portion is interposed between the bottom case and the top piece.
The indicator light according to claim 1, further comprising a light blocking member disposed on a side wall of the lead-out portion and fixed to the housing.
The indicator light of claim 1 wherein said light source is an LED.
An aircraft includes a body and an indicator light disposed on the body, the indicator light comprising a housing, a light source disposed in the housing, wherein the indicator light further includes light for emitting the light source a light guiding member outside the housing,

The light guiding member includes an introduction portion housed in the housing and mated with the light source, and a lead portion protruding from the housing, the introduction portion including a first sloped surface above the light source.
The aircraft according to claim 12, wherein the introduction portion further comprises a second inclined surface, the second inclined surface is configured to emit a portion of the light emitted from the first inclined surface along a light different from the first inclined surface. Direction export.
The aircraft according to claim 13, wherein the introduction portion further comprises a light mixing groove, and the light mixing groove is disposed between the first inclined surface and the second inclined surface.
The aircraft according to any one of claims 12 to 14, wherein the light guiding member is disposed symmetrically left and right along a central axis of the light source.
The aircraft according to claim 15, wherein the lead-out portion is an annular member.
The aircraft according to claim 16, wherein the inner annular surface of the lead-out portion is provided with a groove.
The aircraft according to claim 17, wherein said grooves are at least two, and at least two of said grooves are evenly distributed on an inner annular surface of said lead-out portion.
The aircraft according to claim 12, wherein said housing includes a top member, and said top member is provided on said introduction portion.
The aircraft according to claim 19, wherein said housing further comprises a bottom case, and said outlet portion is interposed between said bottom case and said top piece.
The aircraft according to claim 12, further comprising a light blocking member disposed on a side wall of the lead-out portion and fixed to the housing.
The aircraft of claim 12 wherein said light source is an LED.
The aircraft according to claim 12, further comprising an arm, said The indicator light is fixed on the body by the arm, and the arm includes a sleeve hole for arranging the outer side of the housing.