LED display device of handheld appliance and electric hair drier with LED display device

Abstract

The utility model discloses an LED display device of a handheld device and an electric hair drier with the LED display device. The LED display device of the handheld device comprises a handheld part and a display structure, the display structure is installed on the handheld part and comprises a light guide part and a lamp panel, the outer side face of the light guide part is a light emitting face, the light guide part is provided with a light incident face and a plurality of light isolation parts, the light isolation parts divide the light guide part into a plurality of light emitting areas, the light emitting face corresponding to each light emitting area is provided with light guide teeth, and lamp beads are arranged at the positions, corresponding to the light emitting areas, of the lamp panel; the light emitting direction of the lamp beads faces the light incident surface; the light guide part is installed on the handheld part, the light guide part can be provided with a plurality of light emitting areas in the circumferential direction of the handheld part, each light emitting area can emit light through the lamp bead corresponding to the light emitting area, the light is irradiated towards the outer portion of the handheld part under the refraction effect of the light guide teeth, and then each light emitting area corresponds to one gear. Therefore, the gear can be displayed in a 360-degree omnibearing mode, and the situation that a user can only see the light effect in one direction is avoided.

Description

Technical Field

[0001] The utility model relates to the field of household appliances, in particular to an LED display device of a handheld appliance and a hair dryer having the same. Background Art

[0002] The existing hair dryer includes a handheld part, a hair cylinder part and an LED gear display structure. The hair cylinder part has a first end face and a second end face that are arranged opposite to each other. The first end face is provided with an air outlet of the hair dryer. The LED gear display structure is arranged on the second end face, that is, at the rear of the hair dryer, so that the user can only see the lighting effect in one direction. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides an LED display device for a handheld device and a hair dryer having the same.

[0004] According to the first aspect of the present invention, the LED display device of the handheld device comprises a handheld part and a display structure; the display structure is installed on the handheld part, and the display structure comprises a light guide and a light board, the outer side surface of the light guide is a light emitting surface, the light guide has a light incident surface and a plurality of light isolation parts arranged in sequence along the outer side wall of the light guide, the plurality of light isolation parts divide the light guide into a plurality of light emitting areas, the light emitting surface corresponding to each light emitting area has a light guiding tooth, the light board is provided with a lamp bead at a position corresponding to the light emitting area, the light emitting direction of the lamp bead is toward the light incident surface, and the light guiding tooth is used to refract the light emitted by the lamp bead into the light guide, so that at least part of the light can be irradiated to the outside of the handheld part.

[0005] The LED display device of the handheld device according to the embodiment of the utility model has at least the following technical effects: by installing a light guide on the handheld part, and the light guide is provided with a plurality of light isolation parts along the circumferential direction of the handheld part, the light guide can be provided with a plurality of light emitting areas along the circumferential direction of the handheld part, each light emitting area can emit light through the corresponding lamp beads, and irradiate toward the outside direction of the handheld part under the action of refraction of the light guide teeth, and then each light emitting area corresponds to a gear, so that the gear can be displayed in an all-round manner of 360°, avoiding the user being able to see the lighting effect only in one direction.

[0006] According to some embodiments of the utility model, the light emitting surface is circular, a plurality of light guide teeth are provided, a plurality of the light guide teeth form a light guiding part, a plurality of the light guiding parts are provided, a plurality of the light guiding parts are arranged at intervals along the circumferential direction of the light emitting surface, and the light emitting surface between two adjacent light guiding parts is the light isolating part.

[0007] According to some embodiments of the utility model, it also includes a first stepless adjustment component installed on the hand-held part, the first stepless adjustment component includes an encoder and a first annular knob, the first knob is connected to the rotating part of the encoder, the first knob is sleeved outside the light guide, and the outer side wall of the first knob has a plurality of light-transmitting holes arranged at intervals along its circumferential direction.

[0008] According to some embodiments of the present invention, the bottom or top of the light guide has a plurality of grooves for locking part of the light source of the lamp bead in the light emitting area, and the grooves are the light isolation parts.

[0009] According to some embodiments of the present invention, the light emitting surface is circular, the light guiding teeth are provided in plurality, and the plurality of light emitting surfaces are sequentially arranged along the circumferential direction of the light guiding member.

[0010] According to some embodiments of the utility model, it also includes a second stepless adjustment component installed on the handheld part, the second stepless adjustment component includes an encoder and a second annular knob, the second knob is connected to the rotating part of the encoder, and the light guide is located at the bottom of the second knob.

[0011] According to some embodiments of the present invention, the bottom surface of the light guide member is the light incident surface, the light incident surface has a light guide column protruding downward, and the lamp bead is located below the light guide column.

[0012] According to some embodiments of the present invention, the light guide is in a ring shape, the outer wall of the hand-held portion has a recess, and the light guide is sleeved outside the recess.

[0013] According to some embodiments of the present invention, the groove is a V-shaped groove.

[0014] The hair dryer according to the second embodiment of the present invention comprises the LED display device of the handheld device of the first embodiment and a wind tube part, wherein the wind tube part is installed on the top of the handheld part.

[0015] The hair dryer according to the embodiment of the utility model has at least the following technical effects: by providing the LED display device of the handheld device of the first aspect embodiment, the user can see the gear position of the hair dryer in multiple directions.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 It is a structural schematic diagram of the light guide member of the first embodiment installed on the handheld part;

[0019] Figure 2 An exploded view of an LED display device of a handheld device;

[0020] Figure 3 This is a schematic structural diagram of the light guide member of the first embodiment being located above the light board;

[0021] Figure 4 It is a structural schematic diagram of the light guide member and the wind tube part of the first embodiment installed on the handheld part;

[0022] Figure 5 It is a structural schematic diagram of a first knob being sleeved outside the light guide member of the first embodiment;

[0023] Figure 6 It is a structural schematic diagram of the light guide member of the second embodiment installed on the handheld part;

[0024] Figure 7 This is a schematic structural diagram of the light guide member of the second embodiment being located above the light board;

[0025] Figure 8 FIG. 4 is a schematic diagram of the bottom structure of the light guide member of the second embodiment.

[0026] Figure numerals: hand-held part 100, first knob 110, light-transmitting hole 111, second knob 120, recess 130, display structure 200, light guide 210, light emitting surface 211, light incident surface 212, light isolation part 213, groove 214, light guide column 215, lamp board 220, lamp bead 221, light emitting area 230, light guide teeth 240, light guide part 250. DETAILED DESCRIPTION

[0027] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0028] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] In the description of the present utility model, the meaning of "a plurality" is more than two. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0030] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0031] Reference Figure 1 As shown, the LED display device of the handheld device according to the first embodiment of the utility model comprises a handheld portion 100 and a display structure 200; the display structure 200 is mounted on the handheld portion 100, as shown in FIG. Figure 2 , 3 As shown, the display structure 200 includes a light guide 210 and a light board 220. The outer side surface of the light guide 210 is a light emitting surface 211. The light guide 210 has a light incident surface 212 and a plurality of light isolation portions 213 arranged in sequence along the outer side wall of the light guide 210. The plurality of light isolation portions 213 divide the light guide 210 into a plurality of light emitting areas 230. The light emitting surface 211 corresponding to each light emitting area 230 has a light guiding tooth 240. Lamp beads 221 are arranged at positions of the light board 220 corresponding to the light emitting areas 230. The light emitting direction of the lamp beads 221 is toward the light incident surface 212. The light guiding teeth 240 are used to refract the light emitted by the lamp beads 221 into the light guide 210, so that at least part of the light can be irradiated to the outside of the hand-held part 100 along the radial direction of the hand-held part 100. The light isolation portion 213 is used to avoid light crosstalk between two adjacent light emitting areas 230.

[0032] By installing a light guide 210 on the handheld part 100, and the light guide 210 is provided with a plurality of light isolation parts 213 along the circumferential direction of the handheld part 100, the light guide 210 can be provided with a plurality of light emitting areas 230 along the circumferential direction of the handheld part 100, each light emitting area 230 can emit light through the corresponding lamp bead 221, and irradiate toward the outside direction of the handheld part 100 under the action of refraction of the light guide teeth 240, and then each light emitting area 230 corresponds to a gear, so that the gear can be displayed in an all-round manner of 360°, avoiding the user from only being able to see the lighting effect in one direction.

[0033] During operation, the light of the lamp bead 221 shines on the light incident surface 212 , and the light entering the light guide 210 is radiated toward the outside of the handheld part 100 under the conduction of the light guide 210 and the refraction of the light guide teeth 240 .

[0034] Specifically, the light guide 210 can be installed in the hand-held part 100, and the part of the hand-held part 100 corresponding to the light guide 210 is a light-transmitting structure, so that the light from the light-emitting area 230 can be irradiated to the outside of the hand-held part 100 through the light-transmitting structure, or the light-emitting surface 211 of the light guide 210 directly leaks out of the hand-held part 100, and the light from the light-emitting area 230 directly irradiates the outside of the hand-held part 100.

[0035] The handheld device of the utility model can be used for a hair dryer, a handheld fan or a handheld vacuum cleaner. Specifically, the handheld device is used on a hair dryer. The cylinder part 300 of the hair dryer is installed on the handheld part 100. The cylinder part 300 can be installed with a heating element. The handheld device can be installed with an air outlet fan. Multiple light emitting areas 230 are lit or extinguished in sequence according to the wind speed of the air outlet fan or the temperature of the heating element. Then, the user can know the wind speed or temperature according to the lighting status of the multiple light emitting areas 230, so that the light guide 210 can cooperate with the stepless speed and temperature regulation structure to realize the display of multiple gears and facilitate user viewing.

[0036] like Figure 3 As shown, the light guide 210 of the first embodiment: the light emitting surface 211 is circular, the light guide teeth 240 are arranged in plurality, the plurality of light guide teeth 240 form a light guide portion 250, the light guide portions 250 are arranged in plurality, the plurality of light guide portions 250 are arranged at intervals along the circumferential direction of the light emitting surface 211, the light emitting surface 211 between two adjacent light guide portions 250 is a light isolation portion 213, so that the light guide 210 can extend upwards for a certain distance, so that the light guide portions 250 form a refraction area with a larger area, so that the light is more concentrated in the refraction area, the refraction area is increased and the light of the two adjacent light emitting areas 230 is prevented from crossing each other, and the light guide 210 can be better matched with the first knob 110 of the stepless speed and temperature regulating structure, so that the first knob 110 can be sleeved outside the light guide 210;

[0037] like Figure 4 , 5 As shown, it also includes a first stepless adjustment component installed on the hand-held part 100, the first stepless adjustment component includes an encoder (not shown in the figure) and a first annular knob 110, the first knob 110 is connected to the rotating part of the encoder, the encoder is installed in the hand-held part 100, the first knob 110 is sleeved outside the light guide 210, the outer wall of the first knob 110 has a plurality of light holes 111 arranged at intervals along its circumferential direction, so that the light of the light emitting area 230 can be irradiated to the outside of the hand-held part 100 through the light holes 111, so that the light guide 210 is located in the first knob 110, so that the appearance of the hand-held part 100 is more beautiful and the user can know the gear size when turning the first knob 110.

[0038] like Figure 7 , 8As shown, the light guide 210 of the second embodiment has a plurality of grooves 214 at the bottom or top for locking part of the light source of the lamp bead 221 in the light emitting area 230, and the grooves 214 are light isolation parts 213, so that the height of the light guide 210 can be smaller, such as Figure 6 As shown, the light emitting surface 211 of the light guide 210 can be directly exposed outside the handheld part 100;

[0039] like Figure 7 As shown, the light emitting surface 211 is circular, and a plurality of light guide teeth 240 are provided. The plurality of light guide teeth 240 are sequentially arranged along the circumferential direction of the light emitting surface 211, so that the light guide member 210 is easier to manufacture;

[0040] like Figure 6 As shown, it also includes a second stepless adjustment component installed on the hand-held part 100, the second stepless adjustment component includes an encoder and a ring-shaped second knob 120, the encoder is installed in the hand-held part 100, the second knob 120 is connected to the rotating part of the encoder, and the light guide 210 is located at the bottom of the second knob 120. Through the structure of the above-mentioned groove 214, the height of the light guide 210 can be smaller, and then the light guide 210 can be directly located at the bottom of the second knob 120, and only occupies a smaller space in the upper and lower directions of the hand-held part 100.

[0041] In a further embodiment of the present invention, Figure 3 As shown, the bottom surface of the light guide 210 is the light incident surface 212, and the light incident surface 212 has a light guide column 215 protruding downward, and the lamp bead 221 is located below the light guide column 215, so that the light of the lamp bead 221 can be more easily transmitted to the light guide 210 through the light guide column 215, making it easier for the light guide 210 to cooperate with the first knob 110 and the second knob 120.

[0042] In a further embodiment of the present invention, Figure 2 As shown, the light guide 210 is ring-shaped, and the outer wall of the hand-held part 100 has a recess 130. The light guide 210 is sleeved outside the recess 130 so that the light guide 210 does not occupy the radial space of the hand-held part 100. Specifically, the light emitting surface 211 of the light guide 210 is flush with the outer wall of the hand-held part 100.

[0043] In a further embodiment of the present invention, the groove 214 is a V-shaped groove to facilitate the processing of the light guide member 210 .

[0044] The hair dryer according to the second embodiment of the utility model comprises the LED display device of the handheld device of the first embodiment and a wind tube part 300 , and the wind tube part 300 is installed on the top of the handheld part 100 .

[0045] By providing the LED display device of the handheld appliance according to the first embodiment, the user can view the gear position of the hair dryer from multiple directions.

[0046] In the description of this specification, the description with reference to the terms "some embodiments" or "it is conceivable that" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0047] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An LED display device for a handheld device, characterized in that: include: Handheld part; A display structure is installed on the handheld part, and the display structure includes a light guide and a light board. The outer side surface of the light guide is a light emitting surface. The light guide has a light incident surface and a plurality of light isolation portions arranged in sequence along the outer side wall of the light guide. The plurality of light isolation portions divide the light guide into a plurality of light emitting areas. The light emitting surface corresponding to each light emitting area has light guiding teeth. Lamp beads are arranged at positions of the light board corresponding to the light emitting areas. The light emitting direction of the lamp beads is toward the light incident surface. The light guiding teeth are used to refract the light emitted by the lamp beads into the light guide, so that at least part of the light can be irradiated to the outside of the handheld part.

2. The LED display device for a handheld device according to claim 1, characterized in that: The light emitting surface is circular, the light guide teeth are arranged in plurality, the plurality of light guide teeth form a light guiding part, the light guide parts are arranged in plurality, the plurality of light guide parts are arranged at intervals along the circumferential direction of the light emitting surface, and the light emitting surface between two adjacent light guide parts is the light isolating part.

3. The LED display device for a handheld device according to claim 1 or 2, characterized in that: It also includes a first stepless adjustment component installed on the handheld part, the first stepless adjustment component includes an encoder and a first annular knob, the first knob is connected to the rotating part of the encoder, the first knob is sleeved outside the light guide, and the outer wall of the first knob has a plurality of light-transmitting holes arranged at intervals along its circumferential direction.

4. The LED display device for a handheld device according to claim 1, characterized in that: The bottom or top of the light guide member has a plurality of grooves for locking part of the light source of the lamp bead in the light emitting area, and the grooves are the light isolation parts.

5. The LED display device for a handheld device according to claim 4, characterized in that: The light-emitting surface is circular, and a plurality of light-guiding teeth are provided. The plurality of light-guiding teeth are arranged in sequence along the circumferential direction of the light-emitting surface.

6. The LED display device for a handheld device according to claim 1 or 4, characterized in that: It also includes a second stepless adjustment component installed on the handheld part, the second stepless adjustment component includes an encoder and a second annular knob, the second knob is connected to the rotating part of the encoder, and the light guide is located at the bottom of the second knob.

7. The LED display device for a handheld device according to claim 2 or 5, characterized in that: The bottom surface of the light guide member is the light incident surface. The light incident surface has a light guide column protruding downward. The lamp bead is located below the light guide column.

8. The LED display device for a handheld device according to claim 2 or 5, characterized in that: The light guide is in a ring shape, the outer wall of the hand-held portion has a concave position, and the light guide is sleeved outside the concave position.

9. The LED display device for a handheld device according to claim 4, characterized in that: The groove is a V-shaped groove.

10. A hair dryer, characterized in that: The invention comprises an LED display device of a handheld device as claimed in any one of claims 1 to 9 and a wind tube part, wherein the wind tube part is installed on the top of the handheld part.

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