CN113917594A - Light-emitting device and steering wheel - Google Patents
Light-emitting device and steering wheel Download PDFInfo
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- CN113917594A CN113917594A CN202111048637.4A CN202111048637A CN113917594A CN 113917594 A CN113917594 A CN 113917594A CN 202111048637 A CN202111048637 A CN 202111048637A CN 113917594 A CN113917594 A CN 113917594A
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- light
- light guide
- bar
- emitting device
- light bar
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- 238000010586 diagram Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 13
- 238000010030 laminating Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/20—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
- B60Q3/283—Steering wheels; Gear levers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/80—Circuits; Control arrangements
Abstract
The application discloses a light-emitting device and a steering wheel, wherein the light-emitting device comprises a light bar, a light guide structure, a light source and a bottom plate; the light guide structure comprises a first end and a second end, the first end is close to the light bar, and the second end is close to the light source; a first light guide section close to the first end in the light guide structure is arranged along the light bar; the first light guide section comprises a contact surface in contact with the light bar and a non-contact surface corresponding to the contact surface; the non-contact surface is provided with a light reflecting structure, and the light reflecting structure is used for reflecting light from the light source to the light bar; the lamp strip and the light guide structure are fixed on the bottom plate. According to the LED lamp, the second end of the light guide structure is close to the light source, the first end of the light guide structure is close to the lamp strip, light is transmitted through the light guide structure, the light is reflected to the lamp strip through the light reflecting structure, the exposed surface of the lamp strip can emit light, the light source does not need to be arranged under the visible area of the lamp strip, and the internal structure cannot be seen through the lamp strip; the light-emitting device is small, can be arranged along the radial direction of the rim of the steering wheel or at an angle with the radial direction, is simple to mount, and occupies small space of the steering wheel.
Description
Technical Field
The application relates to the technical field of driving, in particular to a light-emitting device and a steering wheel.
Background
The automobile steering wheel is an important part for controlling the driving direction of a vehicle, is the most important human-computer interface for interaction between a driver and the vehicle, and is provided with a light-emitting device to add reminding and warning functions to the steering wheel so as to help the driver to identify the driving state and further improve the driving safety. The existing light-emitting device is arranged along the circumferential direction of a steering wheel rim, the light-emitting device is large, and the light bar is only luminous in the middle area due to the fact that the edge of the light bar is provided with a buckle structure for clamping the light bar, and the light-emitting effect of the light bar is poor due to the fact that the width of the light bar is small. The LED lamps are arranged under the lamp strips by the existing light-emitting devices to provide light, one light-emitting device needs to adopt a plurality of LED lamps, the power consumption is high, the heat productivity is high, and in order to avoid seeing the internal structure through the lamp strips, the surfaces of the lamp strips need to be specially processed.
Disclosure of Invention
The embodiment of the application provides a light emitting device and a steering wheel, can follow the radial of steering wheel rim or arrange with radial one-tenth angle, the lamp strip exposed surface all can give out light, and luminous effect is good, and light emitting device is little.
In one aspect, embodiments of the present application provide a light-emitting device disposed on a steering wheel; the light-emitting device comprises a light bar, a light guide structure, a light source and a bottom plate; the light guide structure comprises a first end and a second end, the first end is close to the light bar, and the second end is close to the light source; a first light guide section in the light guide structure, which is close to the first end, is arranged along the light bar; the first light guide section comprises a contact surface in contact with the light bar and a non-contact surface corresponding to the contact surface; the non-contact surface is provided with a light reflecting structure, and the light reflecting structure is used for reflecting light from the light source to the light bar; the lamp strip and the light guide structure are fixed on the bottom plate.
Furthermore, the contact surface of the first light guide section and the light bar is the side surface of the first light guide section, the binding surface of the light bar is in contact with the contact surface of the first light guide section, and the binding surface is the side surface of the light bar. Be provided with first joint structure on the bottom plate, the bottom of lamp strip is provided with second joint structure, and first joint structure and second joint structure cooperate to fixed lamp strip.
Furthermore, the contact surface of the first light guide section and the light bar is the top surface of the first light guide section, the binding surface of the light bar is in contact with the contact surface of the first light guide section, and the binding surface is the bottom surface of the light bar. Be provided with first joint structure on the bottom plate, the side of lamp strip is provided with third joint structure, and first joint structure and third joint structure cooperate to fixed lamp strip.
Further, the bottom plate comprises a first fixing part and a second fixing part; one end of the first fixing part is arranged on the bottom plate, and the other end of the first fixing part is used for fixing the first light guide section; one end of the second fixing part is arranged on the bottom plate, and the other end of the second fixing part is used for fixing the light bar; the first fixing part is matched with the second fixing part so that the contact surface of the first light guide section and the laminating surface of the light bar are in a laminating arrangement state.
Further, the bottom plate comprises a first limiting portion and a second limiting portion, the first limiting portion is used for limiting the first end of the light guide structure, and the second limiting portion is used for limiting the second end of the light guide structure.
Further, the light-emitting device further comprises a shell, an opening is formed in the shell, and the light bar is placed in the shell through the opening.
Further, the edge of the shell is provided with a fixing structure, and the shell is jointed with the bottom plate through the fixing structure.
Furthermore, the light-emitting device also comprises a circuit board, the circuit board is fixed on the bottom plate, the light source is fixed on the circuit board, and the circuit board is used for controlling the light source to emit light.
In another aspect, an embodiment of the present application provides a steering wheel including any one of the light emitting devices described above.
The light-emitting device and the steering wheel provided by the embodiment of the application have the following technical effects:
the light-emitting device is provided with a light guide structure, the second end of the light guide structure is close to the light source, the first end of the light guide structure is close to the light bar, the contact surface of the first light guide section is in contact with the light bar, a light reflecting structure is arranged on the non-contact surface, light is transmitted through the light guide structure, the light is reflected to the light bar through the light reflecting structure, the exposed surface of the light bar can emit light, and the light bar can have a good light-emitting effect when being small in width; the light source does not need to be arranged under the visible area of the light bar, the internal structure can not be seen through the light bar, the surface of the light bar does not need to be specially processed, the number of the light source is small, the power consumption of the light-emitting device is small, and the heat productivity is small. The light-emitting device is small, can be arranged along the radial direction of the rim of the steering wheel or at an angle with the radial direction, is simple to mount, and occupies small space of the steering wheel.
Drawings
In order to more clearly illustrate the technical solutions and advantages of the embodiments of the present application or 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 application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a light-emitting device according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a first clamping structure of a light emitting device according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a first fixing portion and a second fixing portion of a light emitting device according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a first position-limiting portion of a light-emitting device according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a second light guide section of a light emitting device according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a light-emitting device according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of a light-emitting device provided in an embodiment of the present application after covering a housing;
fig. 8 is a schematic structural diagram of a fixing structure of a housing of a light-emitting device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the present application. In the description of the present application, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
Fig. 1 shows a schematic structural diagram of a light emitting device provided in an embodiment of the present application, as shown in fig. 1, the light emitting device includes a light bar 10, a light guide structure 20, a light source 30, and a bottom plate 40, wherein the light bar 10 and the light guide structure 20 are fixed on the bottom plate 40.
The light guide structure 20 includes a first end 210 and a second end 220, the first end 210 is close to the light bar 10, and the second end 220 is close to the light source 30. One section of the light guide structure 20 close to the first end 210 is a first light guide section 21, and the first light guide section 21 is disposed along the light bar 10 and in parallel contact with the light bar 10. The first light guide section 21 includes a contact surface 211 and a non-contact surface 212, the contact surface 211 contacts with the light bar 10, the non-contact surface 212 is opposite to the contact surface 211, and the non-contact surface 212 is provided with a light reflecting structure 213. The light reflecting structure 213 reflects the light in the first light guiding section 21 to the contact surface 211 contacting with the light bar 10, and the light enters the light bar 10 from the contact surface 211, so that the light bar 10 emits light. The light emitting structure 213 is disposed to reflect light in the first light guiding section 21 to the contact surface 221, so as to enhance the light emitting effect of the light bar 10. Alternatively, the light reflecting structure 213 may be a microstructure having a saw-tooth shape or a circular shape.
In an alternative embodiment, shown in fig. 1, another segment near the second end 220 is the second light guiding segment 22. The second light guiding section 22 extends from the second end 220 to the first light guiding section 21, the second end 220 receives the light emitted from the light source 30, and the light emitted from the light source 30 enters the light guiding structure 20 through the second end 220 and then enters the first light guiding section 21 along the second light guiding section 22.
Fig. 2 is a schematic structural diagram illustrating a first clamping structure of a light emitting device according to an embodiment of the present disclosure, and fig. 2 may be a cross-sectional view of the first clamping structure of the light emitting device. As shown in fig. 2, a first clamping structure 410 is disposed on the bottom plate 40, and a clamping structure matched with the first clamping structure 410 is disposed on the light bar 10, so as to fix the light bar 10 on the bottom plate 40. The surface of the light bar 10 contacting the contact surface 211 of the first light guide section 21 is an attachment surface 110, and the clamping structure may be disposed on a surface of the light bar 10 other than the attachment surface 110 and the top surface.
In some possible embodiments, the contact surface 211 of the first light guiding section 21 contacting the light bar 10 is a side surface of the first light guiding section 21, and the abutting surface 110 of the light bar 10 contacting the contact surface 211 of the first light guiding section 21 is a side surface of the light bar 10. The bottom of the light bar 10 is provided with a second clamping structure 120, and the second clamping structure 120 is matched with the first clamping structure 410 on the bottom plate 40 to fix the light bar 10.
The first clamping structure 410 and the second clamping structure 120 are arranged to avoid the contact surface 211 between the attaching surface 110 of the light bar 10 and the first light guide section 21, so that the light bar 10 and the first light guide section 21 can be attached sufficiently, light in the first light guide section 21 can completely enter the light bar 10 after being reflected by the light reflecting structure 213, and the light emitting effect of the light bar 10 is good.
In some possible embodiments, the contact surface 211 of the first light guiding section 21 contacting the light bar 10 is a top surface of the first light guiding section 21, and the abutting surface 110 of the light bar 10 contacting the contact surface 211 of the first light guiding section 21 is a bottom surface of the light bar 10. The side of the light bar 10 is provided with a third clamping structure, and the third clamping structure is matched with the first clamping structure 410 on the bottom plate 40 to fix the light bar 10. In this embodiment, the bottom surface of the light bar 10 is the attaching surface 110, the third fastening structure is disposed on the side surface of the light bar 10, and the bottom surface of the light bar 10 is avoided, so that the bottom surface of the light bar 10 can be fully attached to the contact surface 211 of the first light guiding section 21, and meanwhile, the first light guiding section 21 is disposed under the light bar 10, so that the arrangement space of the light guiding structure 20 is saved, and the structure of the light emitting device is smaller.
The second clamping structure 120 and/or the third clamping structure do not occupy the top surface of the light bar 10, and the top surface of the light bar 10 can be used for emitting light, so that the light emitting effect of the light bar 10 is improved, and the light bar 10 can have a good light emitting effect even if the structure is small.
Alternatively, the first and second/ third snap structures 410, 120/third snap structures may be mating male and female snaps. Optionally, the first clamping structure 410 includes at least one buckle, and correspondingly, the second clamping structure 120/the third clamping structure also includes at least one buckle, and the number of the buckles is the same as that of the buckles of the first clamping structure 410. In the embodiment of the present application, the first clamping structure 410 and the second clamping structure 120/third clamping structure include two clamping buckles.
Fig. 3 illustrates a schematic structural diagram of a first fixing portion and a second fixing portion of a light emitting device provided in an embodiment of the present application, and fig. 3 may be a cross-sectional view of the first fixing portion and the second fixing portion of the light emitting device. As shown in fig. 3, the bottom plate 40 is further provided with a first fixing portion 421 and a second fixing portion 422, so that the contact surface 211 of the first light guide section 21 and the attachment surface 110 of the light bar 10 are in an attachment state. The first end 4211 of the first fixing portion 421 is disposed on the bottom plate 40, and the second end 4212 fixes the first light guide section 21; a first end 4221 of the second fixture 422 is disposed on the base plate 40, and a second end 4222 secures the light bar 10. Alternatively, the first and second fixing parts 421 and 422 may be a stepped groove structure.
In some possible embodiments, the contact surface 211 of the first light guiding section 21 contacting the light bar 10 is a side surface of the first light guiding section 21, and the abutting surface 110 of the light bar 10 contacting the contact surface 211 of the first light guiding section 21 is a side surface of the light bar 10. The first end 4211 of the first fixing portion 421 is disposed on the bottom plate 40, and the second end 4212 is disposed on the non-contact surface 212 side of the first light guide bar 21; the first end 4221 of the second fixing portion 422 is disposed on the bottom plate 40, and the second end 4222 is disposed on the other side of the light bar 10 corresponding to the attachment surface 110. The distance between the first fixing portion 421 and the second fixing portion 422 may be set to be equal to or slightly smaller than the sum of the widths of the first light guide section 21 and the light bar 10, so as to fix the first light guide section 21 and the light bar 10 between the first fixing portion 421 and the second fixing portion 422.
In some possible embodiments, the contact surface 211 of the first light guiding section 21 contacting the light bar 10 is a top surface of the first light guiding section 21, and the abutting surface 110 of the light bar 10 contacting the contact surface 211 of the first light guiding section 21 is a bottom surface of the light bar 10. The first end 4211 of the first fixing portion 421 is arranged on the bottom plate 40, and the second end 4212 is arranged on the left side of the light bar; the first end 4221 of the second fixing portion 422 is disposed on the bottom plate 40, and the second end 4222 is disposed at the right side of the light bar. The height of the second end 4212 of the first fixing portion 421 is higher than the height of the first light guiding bar 21 at the first fixing portion 421, so that the first fixing portion 421 can also fix the light bar 10. Alternatively, the length of the first end 4221 of the second fixing portion 422 may be equal to or slightly greater than the width difference between the light bar 10 and the first light guide section 21, so as to fix the first light guide section 21 between the first fixing portion 421 and the second fixing portion 422.
Optionally, one surface of the first end 4211 of the first fixing portion 421 contacting the first light guide section 21 may be an inclined surface disposed along the shape of the first light guide section 21, and one surface of the first end 4221 of the second fixing portion 422 contacting the light bar 10 may be an inclined surface disposed along the shape of the light bar 10, so that the first light guide section 21 and the light bar 10 can be better fixed by the first fixing portion 421 and the second fixing portion 422.
Setting of foretell first fixed part 421 and second fixed part 422, fix lamp strip 10 and first light guide section 21 between first fixed part 421 and second fixed part 422, light emitting device's fastness and stability have been improved, and simultaneously, first fixed part 421 and second fixed part 422 length, the width and the setting of distance between the two, make lamp strip 10 and first light guide section 21 fully contact, binding face 110 of lamp strip 10 and the contact surface 211 of first light guide section 21 fully laminate, light can get into lamp strip 10 after reflecting structure 213 reflects in the first light guide section 21 completely, make the luminous effect of lamp strip 10 good.
Fig. 4 is a schematic structural diagram illustrating a first position-limiting portion of a light-emitting device according to an embodiment of the present disclosure, and fig. 4 may be a cross-sectional view of the first position-limiting portion of the light-emitting device. As shown in fig. 4, the bottom plate 40 is further provided with a first position-limiting portion 431, and the first position-limiting portion 431 is used for limiting the first end 210 of the light guide structure 20. First spacing portion 431 sets up in the position that bottom plate 40 is close to first end 210 of light guide structure 20, and one end sets up on bottom plate 40, and the other end contacts with lamp strip 10, and the length of first spacing portion 431 equals with light guide structure 20's width, and first spacing portion 431 and lamp strip 10 cooperation fix light guide structure 20's first end 210 between first spacing portion 431 and lamp strip 10. Alternatively, as shown in fig. 4, the first position-limiting portion 431 may include an upper portion 4311 and a lower portion 4312, where the upper portion 4311 is disposed above the light guide structure 20 to limit the light guide structure 20 from moving upwards, and the lower portion 4312 is disposed below the light guide structure 20 to limit the light guide structure 20 from moving downwards. The surfaces of the upper portion 4311 and the lower portion 4312 contacting the light guide structure 20 may be inclined surfaces arranged along the shape of the light guide structure 20, so that the first position-limiting portion 431 can better fix the position of the light guide structure 20. First spacing portion 431 and lamp strip 10 cooperate, fix light guide structure 20's first end 210 in first spacing portion, and the trend of setting up laminating light guide structure 20 of upper portion 4311 and lower part 4312 makes light guide structure 20 more stable in first spacing portion 431, has avoided light guide structure 20's first light guide section 21 the condition that rocks appears, has improved the stability of light emitting device luminous effect.
Fig. 5 is a schematic structural diagram of a second light guide section of a light emitting device provided in an embodiment of the present application, and fig. 4 may be a top view of the second light guide section of the light emitting device. As shown in fig. 5, the bottom plate 40 is provided with a second limiting portion 432, and the second limiting portion 432 is used for limiting the second end 220 of the light guide structure 20. The second position-limiting portion 432 is disposed on the bottom plate 40 near the second end 220 of the light guide structure 20. The second light guiding section 22 of the light guiding structure 20 is provided with a third position-limiting portion 221 matched with the second position-limiting portion 432. The second limiting part 432 is arranged to fix the second light guide structure 22, so that the stability of the light guide structure 20 is improved, and the firmness and stability of the light emitting device are improved; meanwhile, since the second light guide section 22 is fixed in the second limiting portion 432 and fixed relative to the light source 30, the light received by the second light guide section 22 from the light source 30 is stable, so that the light entering the light bar 10 is also stable, and the stability of the light emitting effect of the light emitting device is improved.
Optionally, the second limiting portion 432 may be a clamping groove, the third limiting portion 221 may be a limiting strip extending outward, the second light guiding section 22 is clamped in the second limiting portion 432, and the third limiting portion 221 is disposed at a clamping position of the second limiting portion 432 and the second light guiding section 22, so as to prevent the second light guiding section 22 from sliding in the second limiting portion 432.
Optionally, the second limiting portion 432 may be a groove, the third limiting portion 221 may be a slot, the third limiting portion 221 is engaged with the second limiting portion 432, and the length of the groove of the second limiting portion 432 may be equal to or slightly greater than the length of the slot of the third limiting portion 221, so that the third limiting portion 221 is firmly engaged in the second limiting portion 432.
Optionally, the second limiting portion 432 has a certain height, which enables the second light guide section 22 of the light guide structure 20 to be clamped on the second limiting portion 432, the first light guide section 21 of the light guide structure 20 is just at the same height as the light bar 10, or the first light guide section 21 of the light guide structure 20 is just below the light bar 10 and contacts with the light bar 10, so that the contact surface 211 of the first light guide section 21 is completely contacted and attached with the attachment surface 110 of the light bar 10, light rays all enter the light bar 10, and the light emitting effect of the light bar 10 is enhanced.
Optionally, the second position-limiting portion 432 may include at least two position-limiting portions, and correspondingly, the third position-limiting portion 221 may include at least two position-limiting portions, and the number of the position-limiting portions is the same as that of the position-limiting portions of the second position-limiting portion 432. In the embodiment of the present application, the number of the second limiting portion 432 and the third limiting portion 221 is 2.
Fig. 6 is a schematic structural diagram illustrating a light emitting device according to an embodiment of the present disclosure, and as shown in fig. 6, the light emitting device according to the embodiment of the present disclosure further includes a circuit board 50, the circuit board 50 is fixed on the base plate 40, and the light source 30 is fixed on the circuit board 50. The circuit board 50 is used to control the light source 30 to emit light. Alternatively, the light source 30 may be an LED lamp. Alternatively, the circuit board 50 may be connected with a wire harness 70, and the wire harness 70 may be connected with an external circuit to transmit a control signal to the circuit board 50. The external circuit is connected to the circuit board 50 through a wire harness 70, controls the circuit board 50 to make the light source 30 emit light according to the control of the external circuit, and makes the light emitting device emit light as required through the control of the external circuit.
Fig. 7 shows a schematic structural view of the light-emitting device provided in the embodiment of the present application after covering the housing, and as shown in fig. 7, the light-emitting device further includes a housing 60, an opening 610 is provided on the housing 60, the size of the opening 610 is the same as the size of the light bar 10, and the light bar 10 is placed in the housing 60 through the opening 610 and is fixed to the bottom plate 40 through a clamping structure. The openings 610 are provided so that the light emitting devices can be arranged either in the circumferential direction of the rim of the steering wheel or in the radial direction of the rim of the steering wheel or at an angle to the radial direction.
Fig. 8 is a structural view illustrating a fixing structure of a housing of a light emitting device according to an embodiment of the present disclosure, and fig. 8 may be a sectional view of the fixing structure of the housing of the light emitting device. As shown in fig. 8, the edge of the housing 60 is further provided with a fixing structure 620, and the housing 60 is fixed on the base plate 40 by engaging the fixing structure 620 with the base plate 40. Alternatively, the securing structure 620 may be a stepped groove, engaged with an edge of the base plate 40, or welded to the base plate 40.
Therefore, the second end 220 of the light guide structure 20 is arranged close to the light source 30, the first end 210 is arranged close to the light bar 10, the contact surface 211 of the first light guide section 21 is in contact with the light bar 10, the non-contact surface 212 is provided with the light reflection structure 213, light is transmitted through the light guide structure 20, and the light is reflected to the light bar 10 through the light reflection structure 213, so that the exposed surface of the light bar 10 can emit light, and a good light emitting effect can be achieved when the width of the light bar is small; the light source 30 does not need to be arranged under the visible area of the light bar 10, the internal structure cannot be seen through the light bar 10, the surface of the light bar 10 does not need special treatment, the number of the light source 30 is small, the power consumption of the light emitting device is small, and the heat productivity is small. The light-emitting device is small, can be arranged along the radial direction of the rim of the steering wheel or at an angle with the radial direction, is simple to mount, and occupies small space of the steering wheel.
The embodiment of the application also provides a steering wheel, which at least comprises the light-emitting device.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (11)
1. The light-emitting device is characterized by being arranged on a steering wheel and comprising a light bar (10), a light guide structure (20), a light source (30) and a bottom plate (40);
the light guide structure (20) comprises a first end (210) and a second end (220), the first end (210) is close to the light bar (10), and the second end (220) is close to the light source (30);
a first light guide section (21) of the light guide structure (20) close to the first end (210) is arranged along the light bar (10);
the first light guide section (21) comprises a contact surface (211) which is in contact with the light bar (10), and a non-contact surface (212) which corresponds to the contact surface (211); a light reflecting structure (213) is arranged on the non-contact surface (212), and the light reflecting structure (213) is used for reflecting the light from the light source (30) to the light bar (10);
the light bar (10) and the light guide structure (20) are fixed on the bottom plate (40).
2. The light-emitting device according to claim 1, wherein a contact surface (211) of the first light guide section (21) contacting the light bar (10) is a side surface of the first light guide section (21), an abutting surface (110) of the light bar (10) contacts the contact surface (211) of the first light guide section (21), and the abutting surface (110) is a side surface of the light bar (10).
3. The light-emitting device according to claim 2, wherein a first clamping structure (410) is disposed on the bottom plate (40), a second clamping structure (120) is disposed at the bottom of the light bar (10), and the first clamping structure (410) and the second clamping structure (120) are engaged with each other to fix the light bar (10).
4. The light-emitting device according to claim 1, wherein the contact surface (211) of the first light guide section (21) contacting the light bar (10) is a top surface of the first light guide section (21), the abutting surface (110) of the light bar (10) contacts the contact surface (211) of the first light guide section (21), and the abutting surface (110) is a bottom surface of the light bar (10).
5. The light-emitting device according to claim 4, wherein a first clamping structure (410) is disposed on the bottom plate (40), a third clamping structure is disposed on a side surface of the light bar (10), and the first clamping structure (410) and the third clamping structure cooperate to fix the light bar (10).
6. The light-emitting device according to claim 2 or 4, wherein the bottom plate (40) comprises a first fixing portion (421) and a second fixing portion (422);
a first end (4211) of the first fixing part (421) is arranged on the bottom plate (40), and a second end (4212) of the first fixing part (421) is used for fixing the first light guide section (21);
a first end (4221) of the second fixing part (422) is arranged on the bottom plate (40), and a second end (4222) of the second fixing part (422) is used for fixing the light bar (10);
the first fixing portion (421) is matched with the second fixing portion (422) so that the contact surface (211) of the first light guide section (21) is attached to the attachment surface (110) of the light bar (10).
7. The light-emitting device according to claim 1, wherein the base plate (40) comprises a first position-limiting portion (431) and a second position-limiting portion (432), the first position-limiting portion (431) is used for limiting the first end (210) of the light-guiding structure (20), and the second position-limiting portion (432) is used for limiting the second end (220) of the light-guiding structure (20).
8. The lighting device according to claim 1, further comprising a housing (60), wherein the housing (60) is provided with an opening (610), and the light bar (10) is placed in the housing (60) through the opening (610).
9. The lighting device according to claim 8, wherein the housing (60) is provided with a fixing structure (620) at an edge thereof, and the housing (60) is engaged with the base plate (40) through the fixing structure (620).
10. The lighting device according to claim 1, further comprising a circuit board (50), wherein the circuit board (50) is fixed on the base plate (40), the light source (30) is fixed on the circuit board (50), and the circuit board (50) is used for controlling the light source (30) to emit light.
11. A steering wheel comprising a light emitting device according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111048637.4A CN113917594A (en) | 2021-09-08 | 2021-09-08 | Light-emitting device and steering wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111048637.4A CN113917594A (en) | 2021-09-08 | 2021-09-08 | Light-emitting device and steering wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113917594A true CN113917594A (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111048637.4A Pending CN113917594A (en) | 2021-09-08 | 2021-09-08 | Light-emitting device and steering wheel |
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| Country | Link |
|---|---|
| CN (1) | CN113917594A (en) |
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| CN103499052A (en) * | 2013-09-24 | 2014-01-08 | 京东方科技集团股份有限公司 | Backlight source and display device |
| CN104344300A (en) * | 2013-07-24 | 2015-02-11 | 标致雪铁龙(中国)汽车贸易有限公司 | Vehicle-mounted backlight lamp |
| CN107289344A (en) * | 2016-03-30 | 2017-10-24 | 上海阿乐乐可工业设计有限公司 | One kind is without lamp base LED daylight lamp |
| DE112016001889T5 (en) * | 2015-04-24 | 2018-01-04 | Tk Holdings Inc. | Steering Wheel lightbar |
| CN112622756A (en) * | 2019-10-08 | 2021-04-09 | 和硕联合科技股份有限公司 | Blind spot detection device for vehicle, method thereof and steering wheel device |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104344300A (en) * | 2013-07-24 | 2015-02-11 | 标致雪铁龙(中国)汽车贸易有限公司 | Vehicle-mounted backlight lamp |
| CN103499052A (en) * | 2013-09-24 | 2014-01-08 | 京东方科技集团股份有限公司 | Backlight source and display device |
| DE112016001889T5 (en) * | 2015-04-24 | 2018-01-04 | Tk Holdings Inc. | Steering Wheel lightbar |
| CN107289344A (en) * | 2016-03-30 | 2017-10-24 | 上海阿乐乐可工业设计有限公司 | One kind is without lamp base LED daylight lamp |
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