CN215647249U - Light guide assembly and wireless Bluetooth headset charging box - Google Patents

Light guide assembly and wireless Bluetooth headset charging box Download PDF

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Publication number
CN215647249U
CN215647249U CN202120473783.0U CN202120473783U CN215647249U CN 215647249 U CN215647249 U CN 215647249U CN 202120473783 U CN202120473783 U CN 202120473783U CN 215647249 U CN215647249 U CN 215647249U
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China
Prior art keywords
light
light guide
plain noodles
light source
guide assembly
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CN202120473783.0U
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Inventor
段圣梅
朱浩宇
艾青
谭玲
胡文卓
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Tonly Electronics Holdings Ltd
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Tonly Electronics Holdings Ltd
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Abstract

The utility model discloses a light guide assembly and a wireless Bluetooth headset charging box, wherein the light guide assembly is used for the wireless Bluetooth headset charging box, the wireless Bluetooth headset charging box comprises a light source, and the light guide assembly comprises: the light guide, be provided with into plain noodles and play plain noodles on the light guide, the income plain noodles corresponds the light source sets up, the light that the light source sent can pass in proper order go into the plain noodles with go out the plain noodles, the length is personally submitted to the light-emitting, on the light guide with go into the plain noodles and link to each other and move towards one side of light source forms the equal light inclined plane, so that the size of light guide certainly the income plain noodles towards the direction of going out the plain noodles is crescent, equal light inclined plane is the reflection of light face of highlight. The light guide assembly in the utility model can ensure that the wireless Bluetooth headset charging box can meet the design of a strip-shaped indicator light and ensure the uniformity of light emitted from the light source through the light emitting surface by the mutual matching of the light incident surface, the light equalizing inclined plane and the light emitting surface of the light guide member.

Description

Light guide assembly and wireless Bluetooth headset charging box
Technical Field
The utility model relates to the technical field of Bluetooth earphones, in particular to a light guide assembly and a wireless Bluetooth earphone charging box.
Background
The existing wireless Bluetooth headset quickly receives market attention by virtue of the advantages of wireless, intelligent, small size, good sound quality and the like. In recent years, wireless bluetooth headsets have become the mainstream of the headset market with the technology maturation. Wherein, wireless bluetooth headset box that charges also more and more receives people's concern, because the volume of wireless bluetooth headset box that charges is less, LED's pad broad, and compact overlap shape makes leaded light spare mould be difficult to demolding preparation, leads to being difficult to reaching the requirement that the outward appearance is compact for go out the plain noodles and appear exploding some, go out the plain noodles homogeneity and be difficult to guarantee. Consequently, the pilot lamp of current wireless bluetooth headset box that charges designs for the dot design usually, and is comparatively single to the design of pilot lamp for wireless bluetooth headset charges the product characteristics of box and is outstanding inadequately.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a light guide assembly and a wireless Bluetooth headset charging box, and aims to solve the technical problem that the wireless Bluetooth headset charging box in the prior art is uneven in light emitting.
In order to achieve the above object, the light guide assembly provided by the present invention is used for a wireless bluetooth headset charging box, the wireless bluetooth headset charging box includes a light source, and the light guide assembly includes: the light guide, be provided with into plain noodles and play plain noodles on the light guide, the income plain noodles corresponds the light source sets up, the light that the light source sent can pass in proper order go into the plain noodles with go out the plain noodles, the length is personally submitted to the light-emitting, on the light guide with go into the plain noodles and link to each other and move towards one side of light source forms the equal light inclined plane, so that the size of light guide certainly the income plain noodles towards the direction of going out the plain noodles is crescent, equal light inclined plane is the reflection of light face of highlight.
Preferably, the light guide member includes: backup pad and a plurality of light guide plate, the light source with the light guide plate one-to-one sets up, and is a plurality of the light guide plate in proper order the interval connect in the backup pad, just backup pad and arbitrary adjacent two the light guide plate encloses into a leak protection light groove, go into the plain noodles go out the plain noodles and all set up in the light guide plate, just go into the plain noodles and be located leak protection light groove with go out between the plain noodles.
Preferably, the light guide plate includes: one end of the connecting part is connected with the supporting plate; the light equalizing part is connected with one end, far away from the supporting plate, of the connecting part, the end face, far away from the connecting part, of the light equalizing part forms the light incident face, the end face, far away from the connecting part, of the light equalizing part is a light emergent face, and the light equalizing inclined face is arranged on the light equalizing part.
Preferably, the light guide assembly further comprises: the light source and the light guide piece are covered by the light shading piece, the light shading piece is provided with a through hole, and the through hole is matched with the shape of the light equalizing part and is used for the light equalizing part to pass through.
Preferably, one side of the light homogenizing part facing the light shielding part is provided with a positioning protrusion, and the light shielding part is provided with a positioning groove matched with the positioning protrusion.
Preferably, one side of each connecting portion facing the light leakage preventing groove is provided with a light leakage preventing inclined plane, and the distance between any two adjacent light leakage preventing inclined planes is gradually reduced from the supporting plate to the light emitting surface.
Preferably, the light guide member has uniformly dispersed therein diffusion particles, and the concentration of the diffusion particles is 0.1 wt% to 2 wt% based on the total mass of the light guide member.
The utility model also provides a wireless Bluetooth headset charging box, which comprises a mainboard, a plurality of light sources and the light guide assembly; the plurality of light sources are all arranged on the main board; in any two adjacent light sources, one of the light sources is close to the edge of the main board, the other light source is far away from the edge of the main board, and the two light sources are arranged in a staggered mode.
Preferably, the mainboard is provided with an avoiding groove, and the avoiding groove is correspondingly far away from the light source at the edge of the mainboard so as to avoid the light guide part corresponding to the light source.
Preferably, the wireless bluetooth headset charging box further comprises: the light source and the light guide piece are accommodated in the accommodating cavity; shading particles are uniformly dispersed in the shell, and the concentration of the shading particles is 6 wt% -13 wt% based on the total mass of the shell.
In the technical scheme of the utility model, when the light guide assembly is assembled, the light inlet surface of the light guide piece can be arranged corresponding to the light source, so that light rays emitted by the light source can enter the light guide piece through the light inlet surface, pass through the light outlet surface through the light equalizing inclined surface and are emitted, and the light rays emitted by the light source are reflected by the high light reflection enhancing optical surface. The optical energy loss of light on the light-equalizing inclined plane is reduced, the optical reflectivity is improved, the light equalizing effect is achieved, the light can be uniformly emitted from the strip-shaped light-emitting surface, the design of the strip-shaped indicator lamp is achieved, and the phenomenon that the two sides of the light-emitting surface are darker and the middle of the light-emitting surface is brighter can be avoided. The light guide assembly in the utility model can ensure that the wireless Bluetooth headset charging box can meet the design of a strip-shaped indicator light and ensure the uniformity of light emitted from the light source through the light emitting surface by the mutual matching of the light incident surface, the light equalizing inclined plane and the light emitting surface of the light guide member.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 cross-sectional view of a charging box of a wireless bluetooth headset according to an embodiment of the present invention;
fig. 2 is an assembly view of a charging box of a wireless bluetooth headset according to an embodiment of the present invention;
fig. 3 is an exploded view of a charging box of a wireless bluetooth headset according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a light guide member of a light guide assembly according to an embodiment of the present invention at a viewing angle;
FIG. 5 is a schematic structural diagram of a light guide member of a light guide assembly according to another view angle;
FIG. 6 is a schematic structural diagram of a light guide member of a light guide assembly according to another view angle;
fig. 7 is a schematic structural diagram of a light shielding member of a light guide assembly according to an embodiment of the utility model.
The reference numbers illustrate:
Figure BDA0002962520970000031
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions 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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating 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, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The description of the orientations of "up", "down", "left", "right", "front", "back", etc. in the present invention, with reference to the orientation shown in fig. 2, is merely for explaining the relative positional relationship between the components in the posture shown in fig. 2, and if the specific posture is changed, the directional indication is changed accordingly.
The utility model provides a wireless Bluetooth headset charging box.
As shown in fig. 1 to 7, in an embodiment of the present invention, a light guide assembly (not shown) is used for a wireless bluetooth headset charging box 100, the wireless bluetooth headset charging box 100 includes a light source 1, and the light guide assembly includes: the light guide part 2 is provided with a light incident surface 2221 and a light emitting surface 2222 opposite to the light incident surface 2221, the light incident surface 2221 is arranged corresponding to the light source 1, light emitted by the light source 1 can sequentially pass through the light incident surface 2221 and the light emitting surface 2222, the light emitting surface 2222 is in a strip shape, the light guide part 2 is connected with the light incident surface 2221 and forms a light equalizing inclined surface 2223 towards one side of the light source 1, so that the size of the light guide part 2 is gradually increased from the light incident surface 2221 to the light emitting surface 2222, and the light equalizing inclined surface 2223 is a high-brightness-reflection optical surface.
In this embodiment, the light source 1 may be an LED lamp, and in order to improve the coupling efficiency between the light source 1 and the light guide 2, the light incident surface 2221 and the light source 1 in this embodiment are perpendicular to each other, and the light incident surface 2221 is a high light anti-reflection optical surface, as shown in fig. 1, where a straight arrow indicates a light propagation direction. In order to make the light passing through the light emitting surface 2222 softer, the light emitting surface 2222 may be configured as a special optical micro-structure surface.
When the light guide assembly in this embodiment is assembled, the light incident surface 2221 of the light guide member 2 may be disposed corresponding to the light source 1, so that the light emitted from the light source 1 can enter the light guide member 2 through the light incident surface 2221, and pass through the light emitting surface 2222 through the light equalizing inclined surface 2223 and be emitted, and the light emitted from the light source 1 is reflected by the highlight reflection increasing optical surface. The optical energy loss of the light on the light equalizing inclined plane 2223 is reduced, the optical reflectivity is improved, so that the light equalizing effect is achieved, the light can be uniformly emitted from the strip-shaped light emitting surface 2222, the design of the strip-shaped indicator lamp is realized, and the explosion point phenomenon that two sides of the light emitting surface 2222 are darker and the middle is brighter can be avoided. The light guide assembly in this embodiment can ensure that the uniformity of light emitted from the light source 1 through the light emitting surface 2222 can be ensured while the wireless bluetooth headset charging box 100 meets the design of the strip-shaped indicator light through the mutual matching among the light incident surface 2221, the light equalizing inclined surface 2223 and the light emitting surface 2222 of the light guide member 2.
Specifically, the light guide 2 includes: the light source device comprises a supporting plate 21 and a plurality of light guide plates 22, wherein the light sources 1 and the light guide plates 22 are consistent in number and are arranged in a one-to-one correspondence manner, the light guide plates 22 are sequentially connected to the supporting plate 21 at intervals, the supporting plate 21 and any two adjacent light guide plates 22 enclose a light leakage prevention groove 23, a light incident surface 2221, a light emergent surface 2222 and a light uniform inclined surface 2223 are arranged on the light guide plates 22, and the light incident surface 2221 is located between the light leakage prevention groove 23 and the light emergent surface 2222. As shown in fig. 3, in an embodiment, the number of the light guide plates 22 and the number of the light sources 1 are three, each light guide plate 22 is correspondingly provided with an indicator light, the support plate 21 extends along the front-back direction, the light guide plates 22 extend along the left-right direction, the three light guide plates 22 are arranged side by side along the front-back direction at intervals, and a light leakage preventing groove 23 is formed between each two light guide plates 22. The supporting plate 21 in this embodiment not only connects the plurality of light guide plates 22 in sequence, but also forms a light leakage preventing groove 23 between the supporting plate and the light guide plates 22, which can interrupt the light propagation path of the light source 1, thereby preventing the occurrence of light leakage.
In this embodiment, the light guide plate 22 includes a connection portion 221 and a light equalizing portion 222, and one end of the connection portion 221 is connected to the support plate 21; the light equalizing portion 222 is connected to one end of the connecting portion 221 away from the support plate 21, an end surface of the light equalizing portion 222 connected to the connecting portion 221 is a light incident surface 2221, an end surface of the light equalizing portion 222 away from the connecting portion 221 is a light emitting surface 2222, and the light equalizing inclined surface 2223 is disposed on the light equalizing portion 222. In this embodiment, the light equalizing portion 222 and the support plate 21 are connected by the connecting portion 221, so that the plurality of light equalizing portions 222 can be spaced from each other, the overlapping shape can be avoided, and the light guide member 2 can be conveniently removed from the mold and manufactured.
In this embodiment, the light guide assembly further includes: the light shielding part 3, the light shielding part 3 covers the light source 1 and the light guiding part 2, and the light shielding part 3 is provided with a through hole 31, the shape of the through hole 31 matches with that of the light homogenizing part 222, and the light homogenizing part 222 passes through the through hole 31. The light-shielding member 3 in this embodiment may be made of light-tight silica gel, and the light-shielding member 3 completely covers the light source 1 and the supporting plate 21 and the connecting portion 221 of the light-guiding member 2, and only exposes the light-guiding portion out of the light-shielding member 3, thereby further avoiding light leakage. As shown in fig. 1 to 7, a positioning protrusion 2224 is disposed on one side of the light equalizing portion 222 facing the light shielding member 3, and the light shielding member 3 is provided with a positioning groove 32 engaged with the positioning protrusion 2224. The cooperation between location arch 2224 and the constant head tank 32 in this embodiment can fix a position leaded light spare 2 to make things convenient for even light portion 222 from passing, can make things convenient for the assembly of wireless bluetooth headset charging box 100, thereby accelerate assembly efficiency.
In this embodiment, the light leakage preventing inclined surfaces 2211 are disposed on the sides of the connecting portions 221 facing the light leakage preventing grooves 23, and the distance between any two adjacent light leakage preventing inclined surfaces 2211 gradually decreases from the support plate 21 to the light exit surface 2222. As shown in fig. 4, the light leakage preventing slopes 2211 in the present embodiment are all inclined toward the light leakage preventing groove 23, so that the light leakage preventing groove 23 is trapezoidal near the supporting plate 21, thereby further improving the light leakage preventing effect.
In one embodiment, the light guide 2 has uniformly dispersed therein diffusing particles, the concentration of which is 0.1 wt% to 2 wt% based on the total mass of the light guide 2. In an embodiment, the concentration of the diffusion particles is 0.5 wt%, so that the light diffusion capability of the light guide 2 on the light is improved, the light passing through the light exit surface 2222 is more uniform, and the phenomenon that the light on the light exit surface is yellowish due to too high concentration of the diffusion particles can be avoided.
The utility model further provides a wireless bluetooth headset charging box 100, and the wireless bluetooth headset charging box 100 further comprises a main board 4, a plurality of light sources 1 and the light guide assembly. Wherein, a plurality of light sources 1 are all arranged on the main board 4; in any two adjacent light sources 1, one of the light sources 1 is arranged close to the edge of the main board 4, the other light source 1 is arranged far away from the edge of the main board 4, and the two light sources 1 are arranged in a staggered manner. As shown in fig. 1 and fig. 2, in an embodiment, the light shielding member 3, the light guiding member 2 and the motherboard 4 are sequentially disposed along the vertical direction, the number of the light sources 1 and the light guiding plates 22 is three, the light sources 1 at two sides are all disposed near the edge of the motherboard 4 and are arranged side by side along the width direction of the motherboard 4, the light source 1 at the middle position is disposed far away from the edge of the motherboard 4 and is staggered with the light sources 1 at two sides along the length direction of the motherboard 4, so that the three light sources 1 are arranged in a zigzag manner, the three light guiding plates 22 are disposed corresponding to the three light sources 1, the three light emitting surfaces 2222 are disposed in parallel with each other in the same horizontal plane, and the three light emitting surfaces 2222 are all inclined by 45 ° with respect to the motherboard 4. Through mutual dislocation set between the light source 1 in this embodiment, can make and arrange compacter between the light source 1 to reduce the shared volume of light source 1 on mainboard 4, can realize the miniaturization of wireless bluetooth headset charging box 100.
In this embodiment, the main board 4 has an avoiding groove 41, and the avoiding groove 41 is provided corresponding to the light source 1 far from the edge of the main board 4 to avoid the light guide member 2 corresponding to the light source 1. The avoiding groove 41 in the embodiment can be a rectangular groove or a similar rectangular groove, and the length of the avoiding groove 41 is 1.0 mm-2.0 mm, and the width of the avoiding groove 41 is 0.8-1.8 mm, so that the structure of the wireless Bluetooth headset charging box 100 is more compact.
Dodge groove 41 in this embodiment can further improve the compact structure nature of wireless bluetooth headset box 100 that charges, because it is longer to keep away from 1 light path of light source that 4 edges of mainboard set up, luminance is darker, can carry out the resistance series connection to light source 1 to keep away from the less resistance of 1 series connection of light source that 4 edges of mainboard set up, to the great resistance of 1 series connection of light source that is close to 4 edges of mainboard and sets up. As shown in fig. 3 to 6, in one embodiment, the avoiding groove 41 is a rectangular groove with a length of 1.4mm and a width of 1.2 mm. Correspondingly, the distance between the light incident surfaces 2221 of the light guide plates 22 located at the middle position among the three light guide plates 22 is 0.27mm, as shown in fig. 4, the light leakage prevention inclined surface 2211 thereof is inclined downward by 10 degrees with respect to the light incident surface 2221, the distance between the light incident surfaces 2221 of the other two light guide plates 22 is 0.57mm, and the light leakage prevention inclined surface 2211 thereof is inclined downward by 14 degrees with respect to the light incident surface 2221. Moreover, the light source 1 far from the edge of the main board 4 is connected with a 0.8K omega resistor in series, and the light source 1 near the edge of the main board 4 is connected with a 1.2K omega resistor in series, so that the brightness among the light guide plates 22 can be uniform.
As shown in fig. 1, the wireless bluetooth headset charging box 100 of the present embodiment further includes a housing 5, wherein an accommodating cavity 51 is formed in the housing 5, and the light source 1 and the light guide 2 are both accommodated in the accommodating cavity 51; shading particles are uniformly dispersed in the shell 5, and the concentration of the shading particles is 6 wt% -13 wt% based on the total mass of the shell 5. In an embodiment, the shading particles are titanium dioxide, and the concentration of the shading particles is 12 wt%, so that the shell 5 can be prevented from becoming brittle while the shading effect of the shell 5 is ensured, and the assembly of the charging box of the line bluetooth earphone can be facilitated. It can be understood that the exterior is transparent, and a transparent hole matching the shape of the light-emitting surface 2222 is disposed on the housing 5 corresponding to the light-emitting surface 2222.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (8)

1. The utility model provides a light guide assembly for wireless bluetooth headset box that charges, wireless bluetooth headset box that charges includes the light source, its characterized in that, light guide assembly includes:
the light guide, be provided with into plain noodles and play plain noodles on the light guide, the income plain noodles corresponds the light source sets up, the light that the light source sent can pass in proper order go into the plain noodles with go out the plain noodles, the length is personally submitted to the light-emitting, on the light guide with go into the plain noodles and link to each other and move towards one side of light source forms the equal light inclined plane, so that the size of light guide certainly the income plain noodles towards the direction of going out the plain noodles is crescent, equal light inclined plane is the reflection of light face of highlight.
2. The light guide assembly of claim 1, wherein the light guide comprises:
backup pad and a plurality of light guide plate, the light source with the light guide plate one-to-one sets up, and is a plurality of the light guide plate in proper order the interval connect in the backup pad, just backup pad and arbitrary adjacent two the light guide plate encloses into a leak protection light groove, go into the plain noodles go out the plain noodles and all set up in the light guide plate, just go into the plain noodles and be located leak protection light groove with go out between the plain noodles.
3. The light guide assembly of claim 2, wherein the light guide plate comprises:
one end of the connecting part is connected with the supporting plate;
the light homogenizing part is connected with one end, far away from the supporting plate, of the connecting part, the end face, connected with the connecting part, of the light homogenizing part forms the light incident face, the end face, far away from the connecting part, of the light homogenizing part is the light emergent face, and the light homogenizing inclined face is arranged on the light homogenizing part.
4. A light guide assembly according to claim 3, further comprising:
the light source and the light guide piece are covered by the light shading piece, the light shading piece is provided with a through hole, and the through hole is matched with the shape of the light equalizing part and is used for the light equalizing part to pass through.
5. The light guide assembly according to claim 4, wherein a positioning protrusion is disposed on a side of the light homogenizing part facing the light shielding member, and the light shielding member defines a positioning groove for engaging with the positioning protrusion.
6. The light guide assembly according to claim 3, wherein each of the connecting portions has a light leakage preventing slope on a side thereof facing the light leakage preventing groove, and a distance between any two adjacent light leakage preventing slopes is gradually reduced from the supporting plate to the light exit surface.
7. A wireless Bluetooth headset charging box, comprising a main board, a plurality of light sources, and a light guide assembly according to any one of claims 1 to 6;
the plurality of light sources are all arranged on the main board; in any two adjacent light sources, one light source is close to the edge of the main board, the other light source is far away from the edge of the main board, and the two light sources are arranged in a staggered mode.
8. The charging box for wireless bluetooth headsets of claim 7, wherein the main board is provided with an avoiding groove, the avoiding groove is disposed corresponding to the light source far away from the edge of the main board so as to avoid the light guide corresponding to the light source.
CN202120473783.0U 2021-03-04 2021-03-04 Light guide assembly and wireless Bluetooth headset charging box Active CN215647249U (en)

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Application Number Priority Date Filing Date Title
CN202120473783.0U CN215647249U (en) 2021-03-04 2021-03-04 Light guide assembly and wireless Bluetooth headset charging box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120473783.0U CN215647249U (en) 2021-03-04 2021-03-04 Light guide assembly and wireless Bluetooth headset charging box

Publications (1)

Publication Number Publication Date
CN215647249U true CN215647249U (en) 2022-01-25

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