CN216526695U

CN216526695U - Illumination module, projection device and electrical equipment

Info

Publication number: CN216526695U
Application number: CN202122779202.9U
Authority: CN
Inventors: 林泽华; 罗晨阳; 江新华
Original assignee: Shenzhen H&T Intelligent Control Co Ltd
Current assignee: Shenzhen H&T Intelligent Control Co Ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-05-13
Anticipated expiration: 2031-11-12

Abstract

The embodiment of the utility model discloses a lighting module, a projection device and electrical equipment, wherein the lighting module comprises a mounting rack, a light source plate, a lighting lens, a display panel and an imaging lens, the mounting rack comprises a first side support and a second side support, and the first side support and the second side support are relatively fixed to form a plurality of mounting positions; the light source plate, the illuminating lens, the display panel and the imaging lens are sequentially arranged in the corresponding mounting positions, so that light beams emitted by the light source plate can sequentially pass through the illuminating lens, the display panel and the imaging lens to be emitted, images are generated on the projection surface by irradiation, a plurality of mounting positions for mounting the optical component are formed only through the matching of the two supports, the mounting structure is simple, and the assembly is convenient. The lighting module is applied to the projection device or the electrical equipment, and the optical components of the lighting module are convenient to assemble, so that the assembling efficiency of the projection device or the electrical equipment can be improved.

Description

Illumination module, projection device and electrical equipment

Technical Field

The utility model relates to the technical field of projection display, in particular to an illumination module, a projection device and electrical equipment.

Background

Indication type lighting is one of important components of household appliance lighting, and the indication type lighting can display the working state of the household appliance so as to indicate the state to a user. The existing indication type illumination generally adopts a projection device, the projection device can project the working state of a household appliance on the ground for a user to check, generally speaking, the projection device is provided with a plurality of optical components, the process of assembling the optical components to form a light path is complex, and the assembly efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an illumination module, a projection device and electrical equipment, and aims to solve the technical problems that the process of assembling a plurality of optical components to form a light path in the existing projection device is complex, and the assembling efficiency is low.

In a first aspect, the utility model provides an illumination module, which comprises a mounting frame, a light source board, an illumination lens, a display panel and an imaging lens, wherein the mounting frame comprises a first side support and a second side support, and the first side support and the second side support are relatively fixed to form a plurality of mounting positions;

the light source plate, illuminating lens, display panel and imaging lens are arranged in the corresponding installation position in sequence, so that light beams emitted by the light source plate can sequentially pass through the illuminating lens, the display panel and the imaging lens to be emitted and irradiate on a projection surface to generate images.

In one embodiment, the mounting frame is provided with a mounting groove, the mounting groove is one of the mounting positions, and the display panel is mounted in the mounting groove through a mounting opening of the mounting groove.

In one embodiment, the lighting module further comprises a fixing frame, and the fixing frame can be detachably connected with the mounting frame so as to limit the display panel in the assembling groove.

In one embodiment, the first side bracket is provided with a first side mounting groove, the second side bracket is provided with a second side mounting groove, the first side mounting groove and the second side mounting groove are surrounded to form a mounting cavity, a plurality of limiting structures are arranged in the mounting cavity, and the light source plate, the illuminating lens, the display panel and the imaging lens are mounted in the mounting cavity through the plurality of limiting structures; when the first side support is separated from the second side support, the light source plate, the illumination lens, the display panel and the imaging lens can be correspondingly installed in the first side installation groove or the second side installation groove.

In one embodiment, the illumination module further includes a reflector disposed between the display panel and the imaging lens, and configured to deflect the light beam.

In one embodiment, the light source board, the illuminating lens, the display panel and the reflector are arranged at intervals along a first direction, the reflector and the imaging lens are arranged at intervals along a second direction, and the first direction and the second direction form an included angle of 85-95 degrees.

In a second aspect, the present invention further provides a projection apparatus, comprising: the lighting module of any preceding embodiment, the circuit board with the lighting module all sets up in the casing.

In one embodiment, the housing includes a first shell and a second shell, and the first shell and the second shell enclose a containing cavity for containing the circuit board and the lighting module.

In a third aspect, the present invention further provides an electrical apparatus, including an apparatus body, a door panel, and a display component disposed on an inner side of the door panel, where the display component is the illumination module according to any of the above embodiments or the projection apparatus according to any of the above embodiments.

In one embodiment, a first buckling position is arranged on the display part, a second buckling position is arranged on the door panel, the first buckling position is an installation protrusion or an installation groove, and the second buckling position is an installation groove or an installation protrusion corresponding to the first buckling position, so that the first buckling position and the second buckling position can be detachably connected.

The embodiment of the utility model has the following beneficial effects:

by adopting the lighting module, the first side bracket and the second side bracket are relatively fixed to form a plurality of mounting positions, the light source plate, the lighting lens, the display panel and the imaging lens are sequentially arranged in the corresponding mounting positions, and the two brackets are matched to form a plurality of mounting positions for mounting optical components, so that the lighting module is simple in mounting structure and convenient to assemble. The lighting module is applied to the projection device or the electrical equipment, and the optical components of the lighting module are convenient to assemble, so that the assembling efficiency of the projection device or the electrical equipment can be improved.

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 drawings without creative efforts.

Wherein:

fig. 1 is a schematic projection diagram of a projection device in an electrical apparatus according to an embodiment.

Fig. 2 is a schematic diagram of a projection device in the electrical apparatus shown in fig. 1.

Fig. 3 is a first cross-sectional view of the projection apparatus shown in fig. 2.

Fig. 4 is a second cross-sectional view of the projection apparatus shown in fig. 2.

Fig. 5 is a partial schematic view of the projection apparatus shown in fig. 2.

FIG. 6 is a schematic diagram of an illumination module in the projection apparatus shown in FIG. 2.

Fig. 7 is an exploded view of the lighting module shown in fig. 6.

Reference numerals: 10. a door panel; 20. a projection device; 30. projecting the identifier;

100. a housing; 110. a first shell; 120. a second shell; 121. a first buckling position; 130. a notch; 200. a circuit board;

300. an illumination module; 310. a mounting frame; 311. a first side support; 312. a second side bracket; 313. assembling a groove; 314. a first side mounting groove; 315. a second side mounting groove; 316. a mounting cavity; 317. a limiting structure; 320. a light source plate; 330. an illumination lens; 340. a display panel; 350. an imaging lens; 360. a fixed mount; 370. a mirror.

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 all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are 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 at least one of the 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 embodiment of the utility model provides electrical equipment, which can be used for household appliances such as refrigerators and dish washing machines, wherein the household appliances are provided with projection devices for displaying working states, and the projection devices can display state marks on display table tops such as the ground and display panels so as to indicate the states of the electrical equipment to users, meet the interactive application environment between the electrical equipment and the users, and improve the user experience.

Referring to fig. 1 to 7, an electrical apparatus of an embodiment includes an apparatus body, a door panel 10, and a display component disposed on an inner side of the door panel 10, where the display component is a projection device 20, and the projection device 20 is disposed on the inner side of the door panel 10, so that the projection device 20 can be hidden, and the projection device 20 can project an actual working state of the electrical apparatus onto the ground to form a projection mark 30, so that a user on an outer side of the door panel 10 can know the working state.

In this embodiment, the display component is provided with a first fastening position 121, the door panel 10 is provided with a second fastening position, the first fastening position 121 is a mounting protrusion or a mounting groove, and the second fastening position is a mounting groove or a mounting protrusion corresponding to the first fastening position 121, so that the first fastening position 121 can be detachably connected with the second fastening position to realize the mounting of the display component on the door panel 10, and the display component is simple and accurate in assembly, easy to replace and low in cost. Of course, in other embodiments, the display component may be fixed to the door panel 10 by screws, glue, or other methods.

In an embodiment, with reference to fig. 2 to fig. 5, the projection apparatus 20 further includes a housing 100, a circuit board 200 and an illumination module 300, wherein the circuit board 200 and the illumination module 300 are disposed in the housing 100 to implement the installation of the circuit board 200 and the illumination module 300. Further, the housing 100 includes a first shell 110 and a second shell 120, and the first shell 110 and the second shell 120 enclose to form an accommodating cavity for accommodating the circuit board 200 and the lighting module 300.

The integrated components of the lighting module 300 can directly assemble the whole lighting module 300 in the accommodating cavity, and the housing 100 has a notch 130, and the notch 130 is used for exposing the projection outlet of the lighting module 300.

Further, the first fastening positions 121 are disposed on the second shell 120, the first fastening positions 121 are disposed in a plurality, and the second fastening positions and the first fastening positions 121 are disposed in a one-to-one correspondence manner, so as to achieve stable mounting of the display component.

Specifically, the first shell 110 and the second shell 120 are vertically disposed, and the first shell 110 and the second shell 120 may be detachably connected through a snap structure, and may also be fixed through hot melting or ultrasonic fixing.

Of course, in other embodiments, the number of the second fastening locations may be greater than the number of the first fastening locations 121, so that the first fastening locations 121 may be selectively matched with one or more of the second fastening locations to change the installation position of the display component, so as to adjust the distance and position of the display component relative to the ground.

In an embodiment, with continued reference to fig. 3 to 7, the illumination module 300 includes a mounting frame 310, a light source board 320, an illumination lens 330, a display panel 340 and an imaging lens 350, the mounting frame 310 includes a first side bracket 311 and a second side bracket 312, and the first side bracket 311 and the second side bracket 312 are fixed relatively to form a plurality of mounting positions; the light source board 320, the illuminating lens 330, the display panel 340 and the imaging lens 350 are sequentially arranged in the corresponding mounting positions, so that light beams emitted by the light source board 320 can sequentially pass through the illuminating lens 330, the display panel 340 and the imaging lens 350 to be emitted out, and the light beams irradiate on a projection surface to generate an image. Because a plurality of installation positions for installing the optical component are formed only by matching the two brackets, the installation structure is simple, the assembly is convenient, and the production cost is reduced.

In this embodiment, the light source board 320 is provided with an LED lamp bead, the LED lamp bead is a white light lamp bead with a 380nm-780nm continuous spectrum, and the color temperature range is 2200K-7000K. Preferably, the color temperature range of the LED lamp beads is 6000K-7000K. Of course, in other embodiments, the LED lamp bead may also be an RGB LED lamp bead, and the color temperature range of the LED lamp bead may also be above 7000K.

In an embodiment, with continued reference to fig. 3, the mounting frame 310 is provided with a mounting groove 313, the mounting groove 313 is one of a plurality of mounting positions, the display panel 340 is mounted in the mounting groove 313 through a mounting opening of the mounting groove 313, and the display panel 340 can be simply mounted on the mounting frame 310 through the mounting opening, thereby facilitating replacement and maintenance of the display panel 340. The display panel 340 may be an LCD screen.

Further, the lighting module 300 further includes a fixing frame 360, and the fixing frame 360 can be detachably connected with the mounting frame 310 to limit the display panel 340 in the mounting groove 313.

The fixing frame 360 is separated from the mounting frame 310, the display panel 340 can be installed in the assembling groove 313 or taken out of the assembling groove 313, the fixing frame 360 is fixed on the mounting frame 310, and the fixing frame 360 can shield at least part of the assembling opening to limit the display panel 340 in the assembling groove 313. Specifically, the fixing frame 360 can elastically abut against the display panel 340 to stably mount the display panel 340 in the mounting groove 313.

In an embodiment, with reference to fig. 3 to fig. 7, the first side bracket 311 is provided with a first side mounting groove 314, the second side bracket 312 is provided with a second side mounting groove 315, the first side mounting groove 314 and the second side mounting groove 315 surround to form a mounting cavity 316, the mounting cavity 316 is provided with a plurality of limiting structures 317, and the light source board 320, the illumination lens 330, the display panel 340 and the imaging lens 350 are mounted in the mounting cavity 316 through the plurality of limiting structures 317; when the first side bracket 311 is separated from the second side bracket 312, the light source plate 320, the illumination lens 330, the display panel 340 and the imaging lens 350 can be correspondingly mounted in the first side mounting groove 314 or the second side mounting groove 315, so that the related optical components can be precisely positioned and fixed on the mounting frame 310. Specifically, the first side bracket 311 and the second side bracket 312 are disposed opposite to each other in the left-right direction.

Due to the arrangement of the plurality of limiting structures 317, a plurality of mounting positions for limiting the positions of the light source board 320, the illumination lens 330, the display panel 340 and the imaging lens 350 may be formed in the mounting cavity 316 to limit the relevant optical components in the mounting positions.

Since the mounting cavity 316 is formed by surrounding the first side mounting groove 314 and the second side mounting groove 315, after the first side bracket 311 is separated from the second side bracket 312, the light source board 320, the illumination lens 330, the display panel 340 and the imaging lens 350 can be simply and correspondingly mounted in the first side mounting groove 314 or the second side mounting groove 315, and the first side bracket 311 and the second side bracket 312 are assembled close to each other, so as to complete the assembly of the illumination module 300.

Of course, in other embodiment examples, the first side bracket 311 may be provided with a first side mounting groove 314, the second side bracket 312 closes a notch of the first side mounting groove 314 to form a mounting cavity 316, a plurality of limiting structures 317 are provided in the mounting cavity 316, and the light source board 320, the illumination lens 330, the display panel 340 and the imaging lens 350 are mounted in the mounting cavity 316 through the plurality of limiting structures 317; when the first side bracket 311 is separated from the second side bracket 312, the light source board 320, the illumination lens 330, the display panel 340 and the imaging lens 350 can be correspondingly mounted in the first side mounting groove 314, and simple assembly of the related optical components can also be achieved.

Meanwhile, the limiting structure 317 can be omitted, and the light source board 320, the illuminating lens 330, the display panel 340 and the imaging lens 350 are fixed in the mounting cavity 316 in a buckling position, a screw, a hot melting mode or an adhesive applying mode.

In an embodiment, with continuing reference to fig. 3 to fig. 7, the illumination module 300 further includes a reflector 370, and the reflector 370 is disposed between the display panel 340 and the imaging lens 350 and is used for deflecting the light beam to change the direction of the light path and change the arrangement track of the light path.

Further, the light source board 320, the illuminating lens 330, the display panel 340 and the reflector 370 are arranged at intervals along a first direction, the reflector 370 and the imaging lens 350 are arranged at intervals along a second direction, and the first direction and the second direction form an included angle of 85-95 degrees, so that the light path structure is simple and compact, the whole size is small, and the application in narrow space is facilitated.

Preferably, the first direction is perpendicular to the second direction, so that the optical path structure is arranged in an L shape. On one hand, the total length of the light path can be effectively reduced, and on the other hand, the light path of the imaging lens 350 part and the light path of the display panel 340 part are vertically arranged in parallel, so that the problem that the height of the imaging lens 350 part (light emitting part) in the illumination module 300 is large due to the influence of the size of the display panel 340 can be avoided, and the height of the imaging lens 350 part can be controlled to fit the space structure of the electrical equipment.

In the present embodiment, the light emitted from the light source board 320 is focused by the illumination lens 330, so that the display panel 340 uniformly emits light, the light is changed by the reflector 370, and then the cleaned pattern is transmitted to the ground through the imaging lens 350 for display.

Specifically, the imaging lens 350 is provided in plurality, and preferably, the imaging lens 350 is provided in 2. Of course, in other embodiments, there may be more than one illuminating lens 330, and there may be 3, 4 or more imaging lenses 350, and the number is adjusted according to the actual application scene, the appearance size and the imaging effect requirement.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the utility model is not limited by the scope of the appended claims.

Claims

1. The lighting module is characterized by comprising a mounting frame, a light source plate, a lighting lens, a display panel and an imaging lens, wherein the mounting frame comprises a first side support and a second side support, and the first side support and the second side support are relatively fixed to form a plurality of mounting positions;

2. The lighting module of claim 1, wherein the mounting bracket is provided with a mounting slot, the mounting slot is one of the plurality of mounting positions, and the display panel is mounted in the mounting slot through a mounting opening of the mounting slot.

3. The lighting module of claim 2, further comprising a mounting bracket removably connectable with the mounting bracket to restrain the display panel in the mounting slot.

4. The lighting module according to claim 1, wherein the first side bracket is provided with a first side mounting groove, the second side bracket is provided with a second side mounting groove, the first side mounting groove and the second side mounting groove are defined to form a mounting cavity, a plurality of limiting structures are arranged in the mounting cavity, and the light source plate, the lighting lens, the display panel and the imaging lens are mounted in the mounting cavity through the plurality of limiting structures; when the first side support is separated from the second side support, the light source plate, the illumination lens, the display panel and the imaging lens can be correspondingly installed in the first side installation groove or the second side installation groove.

5. The illumination module of claim 1 further comprising a mirror disposed between the display panel and the imaging lens for deflecting the light beam.

6. The illumination module according to claim 5, wherein the light source board, the illumination lens, the display panel and the reflector are disposed at intervals along a first direction, the reflector and the imaging lens are disposed at intervals along a second direction, and the first direction and the second direction form an included angle of 85-95 degrees.

7. A projection device, comprising: a housing, a circuit board, and the lighting module of any of claims 1-6, the circuit board and the lighting module each disposed in the housing.

8. The projection device of claim 7, wherein the housing comprises a first shell and a second shell, and the first shell and the second shell enclose a containing cavity for containing the circuit board and the lighting module.

9. An electrical apparatus, comprising an apparatus body, a door panel, and a display component disposed inside the door panel, wherein the display component is the illumination module according to any one of claims 1 to 6 or the projection device according to any one of claims 7 to 8.

10. The electrical equipment according to claim 9, wherein a first buckling position is arranged on the display component, a second buckling position is arranged on the door panel, the first buckling position is an installation protrusion or an installation groove, and the second buckling position is an installation groove or an installation protrusion corresponding to the first buckling position, so that the first buckling position and the second buckling position can be detachably connected.