Projection and illumination multifunctional light source device

Abstract

The utility model discloses a multifunctional light source device for projection and illumination, which comprises a shell, a polarized light splitting assembly, a projection module and an illumination module, a containing cavity is arranged in the shell, the shell is provided with a light outlet port communicated with the containing cavity, the polarized light splitting assembly is arranged in the shell and is positioned in the containing cavity, and the projection module and the illumination module are arranged on the shell. The projection module comprises a first light-emitting part and a projection modulation chip which are both arranged on the shell, the first light-emitting part emits a first light beam towards the polarized light splitting assembly, and the first light beam at least passes through the polarized light splitting assembly and the projection modulation chip and then is output from the light outlet port. The illumination module comprises a second light-emitting part arranged on the shell, the second light-emitting part emits a second light beam towards the polarized light splitting assembly, and the second light beam at least passes through the polarized light splitting assembly and then is output from the light outlet port; the design is compact in structure, can integrate projection and illumination functions, and is convenient and reliable to use.

Description

Technical Field

[0001] The utility model relates to the technical field of projection equipment, in particular to a multifunctional light source device for projection and illumination. Background Art

[0002] As people's awareness of healthy living gradually improves, more and more people are joining the ranks of sports such as cycling, and cycling equipment is also being updated. Existing projection equipment can be equipped on bicycles. The projection equipment can project images toward the ground in front of the rider. The images are used to display the riding speed, user status, etc. However, the functions are relatively simple. In a relatively dark environment, lighting equipment is also needed. However, the space on the bicycle handlebar is limited, and adding too much equipment will affect the user's normal control experience. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a multifunctional light source device for projection and illumination, which has a compact structure, can integrate projection and illumination functions, and is convenient and reliable to use.

[0004] According to the first aspect of the present invention, a multifunctional light source device for projection and illumination includes: a shell having a cavity therein, the shell being provided with a light output port connected to the cavity; a polarization splitter component arranged in the shell and located in the cavity; a projection module including a first light-emitting component and a projection modulation chip both arranged in the shell, the first light-emitting component emitting a first light beam toward the polarization splitter component, the first light beam being output from the light output port after at least passing through the polarization splitter component and the projection modulation chip; an illumination module including a second light-emitting component arranged in the shell, the second light-emitting component emitting a second light beam toward the polarization splitter component, the second light beam being output from the light output port after at least passing through the polarization splitter component.

[0005] A multifunctional light source device for projection and illumination according to an embodiment of the present invention has at least the following beneficial effects:

[0006] The utility model discloses a multifunctional light source device for projection and lighting. The projection module and the lighting module can be started and operated separately according to user needs. When the user needs to use the projection function, the first light-emitting component can emit a first light beam toward the polarized beam splitting component. The first light beam is refracted to the projection modulation chip through the polarized beam splitting component. The projection modulation chip processes the first light beam to attach an image. Then the first light beam re-enters the polarized beam splitting component from the projection modulation chip and is output from the light output port to form an image projection. When the user needs lighting, the second light-emitting component can emit a second light beam toward the polarized beam splitting component. The second light beam can directly refract the second light beam through the polarized beam splitting component so that it is output from the light output port to play a lighting role. The projection module and the lighting module of this design are integrated into one, with a compact structure, can integrate projection and lighting functions, and are convenient and reliable to use.

[0007] According to some embodiments of the present invention, the polarized light splitting component includes a first light inlet, a second light inlet, a light splitting part and a light output part, the first light-emitting part faces the first light inlet, the second light-emitting part faces the second light inlet, the projection modulation chip faces the light splitting part, and the light output part faces the light output port, the first light beam can flow from the first light inlet to the light splitting part and output, the first light beam modulated by the projection modulation chip enters from the light splitting part and is output from the light output part, and the second light beam can flow from the second light inlet to the light output part and output.

[0008] According to some embodiments of the present invention, the polarization splitting component includes a first polarization prism and a second polarization prism, the first polarization prism includes a first polarization plane, a second polarization plane and a first polarization plane, the second polarization prism includes a third polarization plane, a fourth polarization plane and a second polarization plane, the first polarization plane and the second polarization plane are arranged close to each other, the first light input part is arranged on the first polarization plane, the light splitting part is arranged on the second polarization plane, the second light input part is arranged on the third polarization plane, and the light output part is arranged on the fourth polarization plane. The first light beam incident from the first polarization plane can be reflected from the first polarization plane to be emitted from the second polarization plane, the first light beam incident from the second polarization plane can be emitted from the first polarization plane and enter the second polarization plane, the first light beam entering from the second polarization plane can be emitted from the fourth polarization plane, and the second light beam incident from the third polarization plane can be reflected from the second polarization plane to be emitted from the fourth polarization plane.

[0009] According to some embodiments of the present invention, the first deflection plane and the second deflection plane are perpendicular to each other, and the angles between the first deflection plane and the second deflection plane and the first polarization plane are both 45°.

[0010] According to some embodiments of the present invention, the third deflection plane and the fourth deflection plane are perpendicular to each other, and the angles between the third deflection plane and the fourth deflection plane and the second polarization plane are both 45°.

[0011] According to some embodiments of the present invention, the projection modulation chip includes an LCOS projection chip.

[0012] According to some embodiments of the present invention, the shell is also provided with a first mounting port connected to the cavity, the first mounting port and the polarized light splitting component are correspondingly arranged, the first light-emitting component is passed through the first mounting port and the first light-emitting component is detachably connected to the shell.

[0013] According to some embodiments of the present invention, the shell is also provided with a second mounting port connected to the cavity, the second mounting port and the polarization splitting component are arranged correspondingly, the projection modulation chip is passed through the second mounting port and the projection modulation chip is detachably connected to the shell.

[0014] According to some embodiments of the present invention, the shell is also provided with a third mounting port connected to the cavity, the third mounting port and the polarized light splitting component are arranged correspondingly, the second light-emitting component is passed through the third mounting port and the second light-emitting component is detachably connected to the shell.

[0015] According to some embodiments of the present invention, the multifunctional light source device for projection and illumination further includes a control module, which is electrically connected to the first light-emitting element, the second light-emitting element, and the projection modulation chip respectively.

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

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 This is a three-dimensional schematic diagram of one embodiment of the multifunctional light source device for projection and illumination of the present invention;

[0019] Figure 2 for Figure 1 A schematic diagram of a cross section AA of one embodiment of the multifunctional light source device for projection and illumination of the present invention;

[0020] Figure 3 This is a schematic diagram of the light path of one embodiment of the multifunctional light source device for projection and illumination of the present invention;

[0021] Figure 4 This is a structural exploded view of one embodiment of a polarization beam splitter component.

[0022] Reference numerals:

[0023] Shell 100; cavity 110; light outlet port 120; first lens component 130; polarized light splitting assembly 200; first light inlet portion 210; second light inlet portion 220; light splitting portion 230; light outlet portion 240; first polarizing prism 300; first deflection plane 310; second deflection plane 320; first polarization plane 330; second polarizing prism 400; third deflection plane 410; fourth deflection plane 420; second polarization plane 430; projection module 500; first light-emitting component 510; projection modulation chip 520; first cover plate 530; second lens component 540; illumination module 600; second light-emitting component 610; second cover plate 620; third lens component 630. DETAILED DESCRIPTION

[0024] The following describes embodiments of the present invention in detail. 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 intended only to explain the present invention and are not to be construed as limiting the present invention.

[0025] In the description of the present invention, it should be understood that descriptions involving orientation, such as the orientations or positional relationships indicated by terms such as "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", and "outside", are based on the orientations or positional relationships shown in the accompanying drawings. They 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. Therefore, they cannot be understood as limitations on the present invention.

[0026] In the description of this utility model, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0027] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0028] like Figure 1 - Figure 4 As shown, according to the embodiment of the first aspect of the present invention, a multifunctional light source device for projection and illumination includes a housing 100, a polarized light splitting component 200, a projection module 500 and an illumination module 600. The housing 100 is provided with a cavity 110, the housing 100 is provided with a light outlet port 120 communicating with the cavity 110, the polarized light splitting component 200 is provided in the housing 100 and is located in the cavity 110, the projection module 500 includes a first light emitting member 510 and a projection adjustment member 510 both provided in the housing 100. The projection modulation chip 520 is configured such that the first light-emitting component 510 emits a first light beam toward the polarized beam splitter component 200, and the first light beam is output from the light output port 120 after passing through at least the polarized beam splitter component 200 and the projection modulation chip 520. The lighting module 600 includes a second light-emitting component 610 arranged on the shell 100, and the second light-emitting component 610 emits a second light beam toward the polarized beam splitter component 200, and the second light beam is output from the light output port 120 after passing through at least the polarized beam splitter component 200.

[0029] The shell 100 can be made of plastic, metal or alloy material. The shell 100 is made of opaque material. A first lens component 130 can be provided at the light output port 120. The first lens component can be configured as a convex lens, a concave lens, a Fresnel lens, etc. according to actual needs.

[0030] Among them, the first light-emitting component 510 and the second light-emitting component 610 can both use LED lamp beads, and a second lens component 540 can be installed between the first light-emitting component 510 and the polarized light-splitting component 200. Similarly, a third lens component 630 can be installed between the second light-emitting component 610 and the polarized light-splitting component 200. Specifically, the second lens component 540 and the third lens component 630 can also be configured with convex lenses, concave lenses, Fresnel lenses, etc. according to actual needs. Specifically, the projection modulation chip 520 includes an LCOS projection chip or a reflective LCD.

[0031] The utility model provides a multifunctional light source device for projection and lighting. The projection module 500 and the lighting module 600 can be started and operated separately according to user needs. When the user needs to use the projection function, the first light-emitting component 510 can emit a first light beam toward the polarized beam splitting component 200. The first light beam is refracted to the projection modulation chip 520 through the polarized beam splitting component 200. The projection modulation chip 520 processes the first light beam to attach an image, and then the first light beam re-enters the polarized beam splitting component 200 from the projection modulation chip 520 and is output from the light output port 120 to form an image projection. When the user needs lighting, the second light-emitting component 610 can emit a second light beam toward the polarized beam splitting component 200. The second light beam can directly refract the second light beam through the polarized beam splitting component 200 so that it is output from the light output port to play a lighting role. The projection module 500 and the lighting module 600 of this design are integrated into one, with a compact structure, can integrate projection and lighting functions, and are convenient and reliable to use.

[0032] In some embodiments of the present invention, Figure 2 、 3 As shown in Figure 4, the polarized light splitting component 200 includes a first light inlet 210, a second light inlet 220, a light splitting part 230 and a light outlet 240, the first light-emitting element 510 faces the first light inlet 210, the second light-emitting element 610 faces the second light inlet 220, the projection modulation chip 520 faces the light splitting part 230, and the light outlet 240 faces the light outlet port 120, the first light beam can flow from the first light inlet 210 to the light splitting part 230 for output, the first light beam modulated by the projection modulation chip 520 enters from the light splitting part 230 and is output from the light outlet 240, and the second light beam can flow from the second light inlet 220 to the light outlet 240 for output.

[0033] The first light-emitting element 510 and the second light-emitting element 610 emit light toward different parts of the polarized beam splitter component 200. According to the polarization structure inside the polarized beam splitter component 200, the first light beam and the second light beam can be processed separately. After entering the polarized beam splitter component 200, the first light beam can be output from the beam splitting part 230 of the polarized beam splitter component 200 to the projection modulation chip 520. The projection modulation chip 520 processes the first light beam to attach an image, and then reflects the first light beam and enters the polarized beam splitter component 200 again from the beam splitting part 230. The first light beam that enters the polarized beam splitter component 200 again will be output from the light output part 240 and emitted from the light output port 120, and the second light beam can be output from the light output part 240 after entering the polarized beam splitter component 200, and then emitted from the light output port 120.

[0034] In some embodiments of the present invention, the polarization splitting component 200 includes a first polarization prism 300 and a second polarization prism 400, the first polarization prism 300 includes a first polarization plane 310, a second polarization plane 320 and a first polarization plane 330, the second polarization prism 400 includes a third polarization plane 410, a fourth polarization plane 420 and a second polarization plane 430, the first polarization plane 330 and the second polarization plane 430 are arranged close to each other, the first light inlet 210 is arranged on the first polarization plane 310, and the light splitting unit 230 is arranged on the second polarization plane 320. 0, the second light input portion 220 is arranged on the third deflection plane 410, and the light output portion 240 is arranged on the fourth deflection plane 420. The first light beam incident from the first polarization plane 330 can be reflected from the first polarization plane 330 to be emitted from the second deflection plane 320, the first light beam incident from the second deflection plane 320 can be emitted from the first polarization plane 330 and enter the second polarization plane 430, the first light beam entering from the second polarization plane 430 can be emitted from the fourth deflection plane 420, and the second light beam incident from the third deflection plane 410 can be reflected from the second polarization plane 430 to be emitted from the fourth deflection plane 420.

[0035] like Figure 2 、 4 As shown, the first polarizing prism 300 and the second polarizing prism 400 can both be in the shape of a triangular prism with a compact structure, and can polarize the first light beam and the second light beam respectively, thereby achieving projection and lighting functions respectively.

[0036] The polarized light splitting component 200 can also use a translucent polarized lens, a reflective polarizer or a wire grid lens. Taking the polarized lens as an example, the polarized lens has a first mirror surface and a second mirror surface facing each other. The first light-emitting element 510 and the projection modulation chip 520 are both facing the first mirror surface and are located on both sides respectively. The incident angle of the first light-emitting element 510 and the first mirror surface is the same as the exit angle of the projection modulation chip 520 and the first mirror surface, and the light output port 120 and the second light-emitting element 610 are facing the second mirror surface, and the light output port 120 and the projection modulation chip 520 are facing each other.

[0037] In some embodiments of the present invention, the first deflection plane 310 and the second deflection plane 320 are perpendicular to each other, and the angles between the first deflection plane 310 and the second deflection plane 320 and the first polarization plane 330 are both 45°.

[0038] In some embodiments of the present invention, the third deflection plane 410 and the fourth deflection plane 420 are perpendicular to each other, and the angles between the third deflection plane 410 and the fourth deflection plane 420 and the second polarization plane 430 are both 45°.

[0039] Specifically, the first polarization prism 300 and the second polarization prism 400 can adopt isosceles right triangular prisms, and the first light beam can be incident vertically on the first deflection plane 310, and then irradiated on the first polarization plane 330 at an incident angle of 45°, and irradiated on the second deflection plane 320 at an exit angle of 45° before being output to the projection modulation chip 520. The first light beam modulated by the projection modulation chip 520 is incident vertically on the second deflection plane 320, and then irradiated on the first polarization plane 330 at an incident angle of 45°, and passes through the first polarization plane 330 and enters the second polarization prism 400 from the second polarization plane 430, and then is emitted vertically from the fourth deflection plane 420. The second light beam can be incident vertically from the third deflection plane 410, and then irradiated on the second polarization plane 430 at an incident angle of 45°, and reflected from the second polarization plane 430 at an exit angle of 45° to be emitted vertically from the fourth deflection plane 420.

[0040] In some embodiments of the present invention, Figure 1 、 2 As shown, the shell 100 is also provided with a first mounting port connected to the cavity 110, the first mounting port and the polarized spectrometer component 200 are correspondingly arranged, the first light-emitting component 510 is passed through the first mounting port and the first light-emitting component 510 is detachably connected to the shell 100.

[0041] The polarized light splitting component 200 can be located in the middle of the cavity 110, and the first mounting port is located on one side of the polarized light splitting component 200. The first light-emitting component 510 can include a first cover plate 530 and a first LED lamp bead arranged on the first cover plate 530. The first cover plate 530 can be covered on the first mounting port to close the first mounting port. The first cover plate 530 can be detachably connected to the shell 100 by snaps or screws.

[0042] In some embodiments of the present invention, the shell 100 is also provided with a second mounting port connected to the cavity 110, the second mounting port and the polarization splitting component 200 are arranged correspondingly, the projection modulation chip 520 is passed through the second mounting port and the projection modulation chip 520 is detachably connected to the shell 100.

[0043] The second mounting port can be located below the polarization splitter assembly 200 , and the projection modulation chip 520 can be set on a circuit board, which is embedded in the housing 100 , and the projection modulation chip 520 can be detachably connected to the housing 100 by snaps or screws.

[0044] In some embodiments of the present invention, the shell 100 is also provided with a third mounting port connected to the cavity 110, the third mounting port and the polarized spectrometer component 200 are correspondingly arranged, the second light-emitting component 610 is passed through the third mounting port and the second light-emitting component 610 is detachably connected to the shell 100.

[0045] The third mounting port can be located on the other side opposite to the first mounting port, that is, the polarized spectrometer component 200 is located between the first mounting port and the third mounting port. Similarly, the second light-emitting component 610 may include a second cover plate 620 and a second LED lamp bead arranged on the second cover plate 620. The second cover plate 620 can be covered on the third mounting port to close the third mounting port. The second cover plate 620 can be detachably connected to the shell 100 by snaps or screws.

[0046] In some embodiments of the present invention, the multifunctional light source device for projection and illumination further includes a control module, which is electrically connected to the first light-emitting element 510 , the second light-emitting element 610 , and the projection modulation chip 520 , respectively.

[0047] The control module can be composed of an MCU or a CPU and its auxiliary circuits. The control module can receive control instructions and control the start and stop of the first light-emitting element 510, the start and stop of the second light-emitting element 610, and the control of the projection modulation chip 520 to modulate the projection image of the first light beam according to the control instructions.

[0048] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0049] 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 purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A multifunctional light source device for projection and illumination, characterized in that: include: A housing is provided with a cavity therein, and the housing is provided with a light outlet port communicating with the cavity; A polarization splitter assembly is provided in the housing and located in the cavity; The projection module includes a first light-emitting element and a projection modulation chip, both of which are arranged in the housing, wherein the first light-emitting element emits a first light beam toward the polarization beam splitting component, and the first light beam is output from the light output port after passing through at least the polarization beam splitting component and the projection modulation chip; The lighting module includes a second light-emitting component arranged on the housing, the second light-emitting component emits a second light beam toward the polarization beam splitting component, and the second light beam is output from the light output port after at least passing through the polarization beam splitting component.

2. The multifunctional light source device for projection and illumination according to claim 1, characterized in that: The polarized light splitting component includes a first light inlet, a second light inlet, a light splitting part and a light output part, the first light emitting part faces the first light inlet, the second light emitting part faces the second light inlet, the projection modulation chip faces the light splitting part, and the light output part faces the light output port, the first light beam can flow from the first light inlet to the light splitting part for output, the first light beam modulated by the projection modulation chip enters from the light splitting part and is output from the light output part, and the second light beam can flow from the second light inlet to the light output part for output.

3. The multifunctional light source device for projection and illumination according to claim 2, characterized in that: The polarization splitting component includes a first polarization prism and a second polarization prism, the first polarization prism includes a first polarization plane, a second polarization plane and a first polarization plane, the second polarization prism includes a third polarization plane, a fourth polarization plane and a second polarization plane, the first polarization plane and the second polarization plane are arranged close to each other, the first light input part is arranged on the first polarization plane, the light splitting part is arranged on the second polarization plane, the second light input part is arranged on the third polarization plane, and the light output part is arranged on the fourth polarization plane. The first light beam incident from the first polarization plane can be reflected from the first polarization plane and emitted from the second polarization plane, the first light beam incident from the second polarization plane can be emitted from the first polarization plane and enter the second polarization plane, the first light beam entering from the second polarization plane can be emitted from the fourth polarization plane, and the second light beam incident from the third polarization plane can be reflected from the second polarization plane and emitted from the fourth polarization plane.

4. The multifunctional light source device for projection and illumination according to claim 3, characterized in that: The first deflection plane and the second deflection plane are perpendicular to each other, and the angles between the first deflection plane and the second deflection plane and the first polarization plane are both 45°.

5. The multifunctional light source device for projection and illumination according to claim 3, characterized in that: The third deflection plane and the fourth deflection plane are perpendicular to each other, and the angles between the third deflection plane, the fourth deflection plane and the second polarization plane are both 45°.

6. The multifunctional light source device for projection and illumination according to claim 1, characterized in that: The projection modulation chip includes an LCOS projection chip.

7. The multifunctional light source device for projection and illumination according to claim 1, characterized in that: The shell is further provided with a first mounting port communicating with the cavity, the first mounting port and the polarization splitter assembly are correspondingly provided, the first light-emitting component is passed through the first mounting port and is detachably connected to the shell.

8. The multifunctional light source device for projection and illumination according to claim 1, characterized in that: The shell is further provided with a second mounting port communicating with the cavity, the second mounting port and the polarization splitter component are arranged correspondingly, the projection modulation chip is passed through the second mounting port and the projection modulation chip is detachably connected to the shell.

9. The multifunctional light source device for projection and illumination according to claim 1, characterized in that: The shell is further provided with a third mounting port communicating with the cavity, the third mounting port and the polarization splitter assembly are arranged correspondingly, the second light-emitting component is passed through the third mounting port and the second light-emitting component is detachably connected to the shell.

10. The multifunctional light source device for projection and illumination according to claim 1, characterized in that: It also includes a control module, which is electrically connected to the first light-emitting element, the second light-emitting element and the projection modulation chip respectively.

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