CN110764350A - Scattering oscillation module and projection device - Google Patents
Scattering oscillation module and projection device Download PDFInfo
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- CN110764350A CN110764350A CN201910973376.3A CN201910973376A CN110764350A CN 110764350 A CN110764350 A CN 110764350A CN 201910973376 A CN201910973376 A CN 201910973376A CN 110764350 A CN110764350 A CN 110764350A
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- fixing
- substrate
- fixing member
- diffuser plate
- sheet
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/208—Homogenising, shaping of the illumination light
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0933—Systems for active beam shaping by rapid movement of an element
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
Abstract
The scattering sheet oscillation module provided by the invention is arranged on the first surface of the substrate based on the first fixing piece, the vibration device is connected to the first fixing piece, the scattering sheet is arranged on the first fixing piece, and the vibration device can drive the scattering sheet to oscillate relative to the substrate by virtue of the first fixing piece, so that the atomization effect can be increased without weakening the brightness of an imaging picture under the condition that the haze of the scattering sheet is not improved, the fixing mode of the scattering sheet is stable, and the cost is low.
Description
Technical Field
The invention relates to a scattering sheet oscillation module and a projection device, in particular to a projection device capable of increasing atomization effect.
Background
At present, a laser light source in a projector is composed of a plurality of light source points, and if the laser light source does not undergo any atomization treatment, the imaging on the picture is uneven, so a scattering sheet is added in a light path system to atomize light to solve the problem of uneven imaging picture.
The micro-particles of the scattering sheet are dispersed between the resin layers, and light rays can continuously pass through two media with different refractive indexes when passing through the two media, so that the light rays can be refracted, reflected and scattered, and the optical diffusion effect is achieved. The working principle of the scattering sheet is that a light source is atomized by means of refraction and reflection of scattering substances, the haze of the scattering sheet influences the atomization effect, the brightness of an imaging picture is relatively reduced while the haze is improved, a scattering wheel is used instead to solve the problem that brightness is attenuated due to the improvement of atomization, and the scattering wheel is high in cost and large in size. A mode of matching a scattering sheet with a motor is adopted, but a corresponding fixing mode is not adopted.
Therefore, there is a need to design a new diffuser plate oscillation module to overcome the above-mentioned drawbacks.
Disclosure of Invention
The invention aims to provide a scattering sheet oscillation module and a projection device, which can increase the atomization effect without increasing the haze of a scattering sheet and weaken the brightness of an imaging picture, and have simple fixing mode of the scattering sheet and low cost.
In order to achieve the above object, the present invention provides a scattering sheet oscillating module, which is characterized in that the scattering sheet oscillating module comprises: a substrate having a first face; the first fixing piece is arranged on the first surface of the substrate; the vibration device is connected to the first fixing piece; the scattering sheet is arranged on the first fixing piece; the vibration device can drive the scattering sheet to vibrate relative to the substrate by means of the first fixing piece.
Preferably, the light source further comprises a first light ray, the first fixing piece is sheet-shaped, the first fixing piece is provided with a second surface, the second surface of the first fixing piece is attached to the first surface of the substrate, the scattering sheet is sheet-shaped, the scattering sheet is provided with a third surface and a fourth surface, the third surface of the scattering sheet is attached to the second surface of the first fixing piece, the first light ray enters the first surface of the substrate, and the first light ray exits from the fourth surface of the scattering sheet; or, the scattering sheet oscillation module further includes a first light ray, the first fixing member is sheet-shaped, the first fixing member has a second surface, the second surface of the first fixing member is attached to the first surface of the substrate, the scattering sheet is sheet-shaped, the scattering sheet has a third surface and a fourth surface, the third surface of the scattering sheet is attached to the second surface of the first fixing member, the first light ray enters the fourth surface of the scattering sheet, and the first light ray exits from the first surface of the substrate.
Preferably, the substrate includes a limiting structure, and the limiting structure limits the range of motion of the first fixing member.
Preferably, the limiting structure includes an elastic member, and the elastic member cooperates with the first fixing member to enable the first fixing member to elastically vibrate relative to the substrate; or the limiting structure is a second fixing piece which is matched with the first fixing piece to limit the moving range of the first fixing piece; or, the limiting structure comprises a groove structure, the first fixing piece comprises a clamping groove corresponding to the groove structure, and the groove structure limits the moving range of the clamping groove of the first fixing piece.
Preferably, the scattering sheet oscillating module further includes a buffer structure disposed between the substrate and the first fixing member.
Preferably, the first fixing member includes a second surface, and the second surface of the first fixing member vibrates relative to the first surface of the substrate.
Preferably, the first fixing member includes a first opening and a second surface, the first opening penetrates through the second surface, and the scattering sheet is fixed by the first opening.
Preferably, the first opening comprises a fixing structure, the fixing structure has flexibility, when the scattering sheet is placed into the fixing structure, the fixing structure deforms, and when the scattering sheet reaches a specified position of the fixing structure, the fixing structure rebounds to fix the scattering sheet; alternatively, the first opening includes a fixing structure, the diffusion sheet has flexibility, the diffusion sheet is deformed when the diffusion sheet is put into the fixing structure, and the fixing structure fixes the diffusion sheet which is rebounded when the diffusion sheet reaches a designated position of the fixing structure.
Preferably, the substrate further comprises a first light, the substrate comprises a second opening, the second opening penetrates through the first surface of the substrate, the scattering sheet is located at the second opening, the first light passes through the second opening of the substrate and the scattering sheet, and the first light increases the atomization effect through the oscillating scattering sheet.
In order to achieve the above object, the invention further provides a projection apparatus, which includes the scattering sheet oscillating module.
Compared with the prior art, the scattering sheet oscillation module provided by the invention is arranged on the first surface of the substrate based on the first fixing piece, the vibration device is connected to the first fixing piece, the scattering sheet is arranged on the first fixing piece, and the vibration device can drive the scattering sheet to oscillate relative to the substrate by virtue of the first fixing piece, so that the atomization effect can be increased without weakening the brightness of an imaging picture under the condition that the haze of the scattering sheet is not improved, the fixing mode of the scattering sheet is stable, and the cost is low.
Drawings
Fig. 1 is a schematic front view of a scattering sheet oscillation module according to an embodiment of the present invention;
fig. 2 is a left-view structural diagram of a scattering sheet oscillation module according to an embodiment of the invention;
fig. 3 is a schematic front view illustrating a first fixing member of a scattering sheet oscillating module according to an embodiment of the invention;
fig. 4 is a schematic front view of a substrate of a scattering sheet oscillation module according to an embodiment of the invention;
fig. 5 is a left-view structural diagram of a substrate of a scattering sheet oscillating module according to an embodiment of the invention.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic front view structure diagram of a scattering sheet oscillation module according to an embodiment of the invention, and fig. 2 is a schematic left view structure diagram of the scattering sheet oscillation module according to the embodiment of the invention. The scattering sheet oscillation module 100 provided by the embodiment of the invention is arranged on the first surface 21 of the substrate 2 based on the first fixing member 1, the vibration device 3 is connected to the first fixing member 1, the scattering sheet 4 is arranged on the first fixing member 1, the vibration device 3 can drive the scattering sheet 4 to oscillate relative to the substrate 2 by means of the first fixing member 1, the scattering sheet oscillation module 100 can increase the atomization effect without weakening the brightness of an imaging picture under the condition that the haze of the scattering sheet 3 is not increased, and the fixing mode of the scattering sheet 3 is stable and low in cost.
Referring to fig. 1 and 2, the scattering sheet oscillation module 100 includes a first fixing member 1, a substrate 2, a vibration device 3, and a scattering sheet 4, and the structure and the position relationship of the first fixing member 1, the substrate 2, the vibration device 3, and the scattering sheet 4 will be specifically described.
Referring to fig. 1, 2 and 3, fig. 3 is a schematic front view of a first fixing member of a scattering sheet oscillating module according to an embodiment of the present invention. The first fixing member 1 is sheet-shaped, the first fixing member 1 includes a second surface 11, a seventh surface 12, a slot 130 and a first opening 14, the second surface 11 is parallel to the seventh surface 12, the slot 130 penetrates through the first surface 11 and the seventh surface 12, and the first opening 14 penetrates through the first surface 11 and the seventh surface 12. The second surface 11 of the first fixing member 1 is attached to the first surface 21 of the substrate 2, and the diffuser sheet 4 is attached to the second surface 12 of the first fixing member 1. The vibration device 3 drives the first fixing member 1 to vibrate, and the second surface 11 of the first fixing member 1 vibrates relatively to the first surface 21 of the substrate 2. The scattering sheet oscillation module 100 further includes a first light 101, the first light 101 enters the substrate 2, and the first light exits from the scattering sheet 4; alternatively, the first light 101 enters the diffuser 4, and the first light 101 exits from the substrate 2.
Referring to fig. 1, 2 and 4, fig. 4 is a schematic front view of a substrate of a scattering sheet oscillation module according to an embodiment of the invention. The substrate 2 includes a first surface 21, an eighth surface 22, a limiting structure 230, a second opening 25 and a fixing hole 26, the first surface 21 is parallel to the eighth surface 22, the limiting structure 230 is disposed on the first surface 21, the second opening 25 penetrates through the first surface 21 and the eighth surface 22, and the fixing hole 26 penetrates through the first surface 21 and the eighth surface 22. The limit structure 230 of the base plate 2 limits the movable range of the first fixing member 1. The first light 101 enters the second opening 25, and the first light exits from the diffusion sheet 4; alternatively, the first light 101 enters the diffuser 4, and the first light 101 exits from the second opening 25.
Referring to fig. 1, the vibration device 3 drives the first fixing member 1 to vibrate, so that the first fixing member 1 vibrates relative to the substrate 2. The vibration device 3 is disposed on the first fixing member 1 or on the substrate 2.
Referring to fig. 1 and 2, the diffuser sheet 4 is a sheet-like shape, and the diffuser sheet 4 includes a third surface 41 and a fourth surface 42. The diffuser sheet 4 is disposed in the first opening 14 of the first fixing member 1, the third surface 42 of the diffuser sheet 4 is attached to the second surface 11 of the first fixing member 1, and the diffuser sheet 4 is located at the second opening 25 of the substrate 2. The first light 101 passes through the second opening 25 of the substrate 2, enters the third surface 41 of the diffuser sheet 4, and exits from the fourth surface 42 of the diffuser sheet 4; alternatively, the first light ray 101 enters the fourth surface 42 of the diffuser sheet 4, passes through the third surface 41 of the diffuser sheet, and exits from the second opening 25 of the substrate 2. The vibrations device 3 drives first mounting 1 and vibrates, and first mounting 1 drives the scattering piece 4 and vibrates, and first light 101 vibrates module 100 through the scattering piece and reaches the atomization effect and increase.
When the vibration device 3 is closed, the substrate 2, the first fixing member 1 and the scattering sheet 4 are in a static state, and when the first light 101 exits through the scattering sheet 4, a first light-emitting surface is formed, and the first light-emitting surface has a first uniformity. When the vibration device 4 is started, the substrate 2, the first fixing member 1 and the scattering sheet 4 vibrate, and a second light emitting surface is formed when the first light 101 exits through the scattering sheet 4, wherein the second light emitting surface has a second uniformity. The first uniformity is the density of the light distribution of the first light-emitting surface, the second uniformity is the density of the light distribution of the second light-emitting surface, and the first uniformity is smaller than the second uniformity, namely the density of the light distribution of the first light-emitting surface is lower than the density of the light distribution of the second light-emitting surface.
The scattering sheet oscillating module 100 further includes a buffer structure 6, as shown in fig. 2, the buffer structure 6 is disposed between the substrate 2 and the first fixing member 1. The buffer structure 6 includes a fifth surface 61 and a sixth surface 62, and the fifth surface 61 is parallel to the sixth surface 62. The fifth surface 61 of the buffer structure 6 is attached to the first surface 21 of the substrate 2, and the sixth surface 62 of the buffer structure 6 is attached to the second surface 11 of the first fixing element 1. The buffer structure 6 prevents the first fixing member 1 from colliding with other parts of the diffuser sheet oscillating module 100 to prevent noise from being generated.
Further, the first opening 14 of the first fixing member 1 includes a fixing structure 15, the fixing structure 15 has strength and is slightly flexible, the fixing structure 15 fixes the diffuser plate 4 without using screws, glue, and the like, the fixing structure 15 is slightly deformed when the diffuser plate 4 is put in by using the flexibility of the fixing structure 15, and when the diffuser plate 4 reaches the designated position of the fixing structure 15, the fixing structure 15 rebounds to fix the diffuser plate 4; or, the diffuser 4 has flexibility, the fixing structure 15 fixes the diffuser 4 without using screws, glue, or the like, when the diffuser 4 is placed into the fixing structure 15, the diffuser 4 deforms slightly, and when the diffuser 4 reaches the designated position of the fixing structure 15, the fixing structure 15 fixes the rebounded diffuser 4.
Further, the limiting structure 230 of the substrate 2 includes an elastic member, the elastic member is matched with the slot 130 of the first fixing member 1, the slot 130 has a first position and a second position, the vibration device 3 drives the first fixing member 1 to vibrate, the slot 130 of the first fixing member 1 reciprocates at the first position and the second position, the reciprocating motion of the slot 130 of the first fixing member 1 at the first position and the second position is limited by the position of the elastic member of the substrate 2, and the elastic opposite substrate 2 of the first fixing member 1 vibrates; or, the limiting structure 230 of the substrate 2 includes a groove structure, the groove structure is matched with the clamping groove 130 of the first fixing member 1, the clamping groove 130 has a first position and a second position, the vibration device 3 drives the first fixing member 1 to vibrate, the clamping groove 130 of the first fixing member 1 generates reciprocating motion at the first position and the second position, and the reciprocating motion generated by the clamping groove 130 of the first fixing member 1 at the first position and the second position is limited by the position of the groove structure of the substrate 2. When the vibrating device 3 is turned on, the first fixing member 1 has a directional movement in a plane parallel to the first face 21 of the base plate 2. Or, the limiting structure 230 of the substrate 2 is a second fixing member 5, the second fixing member 5 is disposed on the substrate 2, and the second fixing member 5 of the substrate 2 cooperates with the first fixing member 1 to limit the range of motion of the first fixing member 1, so that the first fixing member 1 can move and oscillate relative to the substrate 2. The second fixing part 5 of the substrate 2 is matched with the clamping groove 130 of the first fixing part 1, the clamping groove 130 is provided with a first position and a second position, the vibration device 3 drives the first fixing part 1 to vibrate, the clamping groove 130 of the first fixing part 1 generates reciprocating motion at the first position and the second position, and the reciprocating motion generated by the clamping groove 130 of the first fixing part 1 at the first position and the second position is limited by the position of the second fixing part 5 of the substrate 2. When the vibrating device 3 is turned on, the first fixing member 1 has a directional movement in a plane parallel to the first face 21 of the base plate 2.
In the embodiment of the present invention, the second fixing element 5 of the substrate 2 includes a first screw 51, the substrate 2 includes a first small hole 231, the first small hole 231 penetrates through the first surface 21 and the eighth surface 22 of the substrate 2, the slot 130 of the first fixing element 1 includes a first slot 131, and the first slot 131 penetrates through the second surface 11 and the seventh surface 12 of the first fixing element 1. The first screw 51 passes through the first slot 131 of the first fixing member 1, the sixth surface 62 of the buffer structure 6, the fifth surface 61 of the buffer structure 6 and the first small hole 231 of the substrate 2, the vibration device 3 drives the first fixing member 1 to vibrate, the first screw 51 limits the movable range of the first slot 131 of the first fixing member 1, and the first slot 131 of the first fixing member 1 reciprocates at the first position and the second position. The first light 101 is incident on the third surface 41 of the diffuser sheet 4 through the second opening 25 of the substrate 2 and exits from the fourth surface 42 of the diffuser sheet 4; alternatively, the first light ray 101 enters the fourth surface 42 of the diffuser sheet 4, passes through the third surface 41 of the diffuser sheet, and exits from the second opening 25 of the substrate 2. The first light 101 reaches the atomization effect increase through the oscillating diffuser plate 4. Alternatively, the second fixing element 5 of the substrate 2 includes a first protruding pillar 241, as shown in fig. 5, fig. 5 is a schematic left view structure diagram of the substrate of the scattering sheet oscillation module according to an embodiment of the present invention, the first protruding pillar 241 is disposed on the first surface 21 of the substrate 2, the slot 130 of the first fixing element 1 includes a first slot 131, and the first slot 131 penetrates through the second surface 11 and the seventh surface 12 of the first fixing element 1. The first protruding pillar 241 passes through the fifth surface 61 of the buffer structure 6, the sixth surface 62 of the buffer structure 6, and the first engaging groove 131 of the first fixing element 1, the vibration device 3 drives the first fixing element 1 to vibrate, the first protruding pillar 241 limits the moving range of the first engaging groove 131 of the first fixing element 1, and the first engaging groove 131 of the first fixing element 1 reciprocates at the first position and the second position. The first light 101 is incident on the third surface 41 of the diffuser sheet 4 through the second opening 25 of the substrate 2 and exits from the fourth surface 42 of the diffuser sheet 4; alternatively, the first light ray 101 enters the fourth surface 42 of the diffuser sheet 4, passes through the third surface 41 of the diffuser sheet, and exits from the second opening 25 of the substrate 2. The first light 101 reaches the atomization effect increase through the oscillating diffuser plate 4.
In the embodiment of the present invention, the second fixing member 5 of the substrate 2 includes a first screw 51 and a second screw 52, the substrate 2 includes a first small hole 231 and a second small hole 232, the first small hole 231 penetrates through the first surface 21 and the eighth surface 22 of the substrate 2, the second small hole 232 penetrates through the first surface 21 and the eighth surface 22 of the substrate 2, the slot 130 of the first fixing member 1 includes a first slot 131 and a second slot 132, the first slot 131 penetrates through the second surface 11 and the seventh surface 12 of the first fixing member 1, and the second slot 132 penetrates through the second surface 11 and the seventh surface 12 of the first fixing member 1. The first screw 51 penetrates through the first slot 131 of the first fixing member 1, the sixth surface 62 of the buffer structure 6, the fifth surface 61 of the buffer structure 6 and the first small hole 231 of the substrate 2, the first screw 52 penetrates through the second slot 132 of the first fixing member 1, the sixth surface 62 of the buffer structure 6, the fifth surface 61 of the buffer structure 6 and the second small hole 232 of the substrate 2, the vibration device 3 drives the first fixing member 1 to vibrate, the first screw 51 limits the movable range of the first slot 131 of the first fixing member 1 and the movable range of the second slot 132 of the first fixing member 1 limited by the second screw 52, the first slot 131 of the first fixing member 1 reciprocates between the first position and the second position, and the second slot 132 of the first fixing member 1 reciprocates between the first position and the second position. The first light 101 is incident on the third surface 41 of the diffuser sheet 4 through the second opening 25 of the substrate 2 and exits from the fourth surface 42 of the diffuser sheet 4; alternatively, the first light ray 101 enters the fourth surface 42 of the diffuser sheet 4, passes through the third surface 41 of the diffuser sheet, and exits from the second opening 25 of the substrate 2. The first light 101 reaches the atomization effect increase through the oscillating diffuser plate 4. Or, the second fixing element 5 of the substrate 2 includes a first protruding pillar 241 and a second protruding pillar 242, as shown in fig. 5, the first protruding pillar 241 is disposed on the first surface 21 of the substrate 2, the second protruding pillar 242 is disposed on the first surface 21 of the substrate 2, the slot 130 of the first fixing element 1 includes a first slot 131 and a second slot 132, the first slot 131 penetrates through the second surface 11 and the seventh surface 12 of the first fixing element 1, and the second slot 132 penetrates through the second surface 11 and the seventh surface 12 of the first fixing element 1. The first convex column 241 penetrates through the fifth surface 61 of the buffer structure 6, the sixth surface 62 of the buffer structure 6 and the first slot 131 of the first fixing member 1, the second convex column 242 penetrates through the fifth surface 61 of the buffer structure 6, the sixth surface 62 of the buffer structure 6 and the second slot 132 of the first fixing member 1, the vibration device 3 drives the first fixing member 1 to vibrate, the first convex column 241 limits the movable range of the first slot 131 of the first fixing member 1 and the movable range of the second convex column 242 limits the second slot 132 of the first fixing member 1, the first slot 131 of the first fixing member 1 reciprocates at the first position and the second position, and the second slot 132 of the first fixing member 1 reciprocates at the first position and the second position. The first light 101 is incident on the third surface 41 of the diffuser sheet 4 through the second opening 25 of the substrate 2 and exits from the fourth surface 42 of the diffuser sheet 4; alternatively, the first light ray 101 enters the fourth surface 42 of the diffuser sheet 4, passes through the third surface 41 of the diffuser sheet, and exits from the second opening 25 of the substrate 2. The first light 101 reaches the atomization effect increase through the oscillating diffuser plate 4.
In the embodiment of the present invention, the second fixing member 5 of the substrate 2 includes a first screw 51, a second screw 52 and a third screw 53, the substrate 2 includes a first small hole 231, a second small hole 232 and a third small hole 233, the first small hole 231 penetrates through the first surface 21 and the eighth surface 22 of the substrate 2, the second small hole 232 penetrates through the first surface 21 and the eighth surface 22 of the substrate 2, the third small hole 233 penetrates through the first surface 21 and the eighth surface 22 of the substrate 2, and the first small hole 231, the second small hole 232 and the third small hole 233 form a triangular position structure. The locking groove 130 of the first fixing member 1 includes a first locking groove 131, a second locking groove 132 and a third locking groove 133, the first locking groove 131 penetrates through the second surface 11 and the seventh surface 12 of the first fixing member 1, the second locking groove 132 penetrates through the second surface 11 and the seventh surface 12 of the first fixing member 1, the third locking groove 133 penetrates through the second surface 11 and the seventh surface 12 of the first fixing member 1, and the first locking groove 131, the second locking groove 132 and the third locking groove 133 form a triangular position structure. The first screw 51 passes through the first slot 131 of the first fixing member 1, the sixth surface 62 of the buffer structure 6, the fifth surface 61 of the buffer structure 6 and the first small hole 231 of the base plate 2, the second screw 52 passes through the second slot 132 of the first fixing member 1, the sixth surface 62 of the buffer structure 6, the fifth surface 61 of the buffer structure 6 and the second small hole 232 of the base plate 2, the third screw 53 passes through the third slot 133 of the first fixing member 1, the sixth surface 62 of the buffer structure 6, the fifth surface 61 of the buffer structure 6 and the third small hole 233 of the base plate 2, the vibration device 3 drives the first fixing member 1 to vibrate, the first screw 51 limits the movable range of the first slot 131 of the first fixing member 1, the second screw 52 limits the movable range of the second slot 132 of the first fixing member 1 and the third screw 53 limits the movable range of the third slot 133 of the first fixing member 1, the first slot 131 of the first fixing member 1 generates reciprocating motion at the first position and the second position, the second engaging groove 132 of the first fixing member 1 reciprocates between the first position and the second position, and the third engaging groove 133 of the first fixing member 1 reciprocates between the first position and the second position. The first light 101 is incident on the third surface 41 of the diffuser sheet 4 through the second opening 25 of the substrate 2 and exits from the fourth surface 42 of the diffuser sheet 4; alternatively, the first light ray 101 enters the fourth surface 42 of the diffuser sheet 4, passes through the third surface 41 of the diffuser sheet, and exits from the second opening 25 of the substrate 2. The first light 101 reaches the atomization effect increase through the oscillating diffuser plate 4. Or the second fixing element 5 of the substrate 2 includes a first convex pillar 241, a second convex pillar 242, and a third convex pillar 243, as shown in fig. 5, the first convex pillar 241 is disposed on the first surface 21 of the substrate 2, the second convex pillar 242 is disposed on the first surface 21 of the substrate 2, the third convex pillar 243 is disposed on the first surface 21 of the substrate 2, and the first convex pillar 241, the second convex pillar 242, and the third convex pillar 243 form a triangular position structure. The locking groove 130 of the first fixing member 1 includes a first locking groove 131, a second locking groove 132 and a third locking groove 133, the first locking groove 131 penetrates through the second surface 11 and the seventh surface 12 of the first fixing member 1, the second locking groove 132 penetrates through the second surface 11 and the seventh surface 12 of the first fixing member 1, the third locking groove 133 penetrates through the second surface 11 and the seventh surface 12 of the first fixing member 1, and the first locking groove 131, the second locking groove 132 and the third locking groove 133 form a triangular position structure. The first convex column 241 passes through the fifth surface 61 of the buffer structure 6, the sixth surface 62 of the buffer structure 6 and the first slot 131 of the first fixing member 1, the second convex column 242 passes through the fifth surface 61 of the buffer structure 6, the sixth surface 62 of the buffer structure 6 and the second slot 132 of the first fixing member 1, the third convex column 243 passes through the fifth surface 61 of the buffer structure 6, the sixth surface 62 of the buffer structure 6 and the third slot 133 of the first fixing member 1, the vibration device 3 drives the first fixing member 1 to oscillate, the first convex column 241 limits the movable range of the first slot 131 of the first fixing member 1, the second convex column 242 limits the movable range of the second slot 132 of the first fixing member 1 and the third convex column limits the movable range 243 of the third slot 133 of the first fixing member 1, the first slot 131 of the first fixing member 1 generates reciprocating motion at the first position and the second position, the second slot 132 of the first fixing member 1 generates reciprocating motion at the first position and the second position, the third locking groove 133 of the first fixing member 1 reciprocates between the first position and the second position. The first light 101 is incident on the third surface 41 of the diffuser sheet 4 through the second opening 25 of the substrate 2 and exits from the fourth surface 42 of the diffuser sheet 4; alternatively, the first light ray 101 enters the fourth surface 42 of the diffuser sheet 4, passes through the third surface 41 of the diffuser sheet, and exits from the second opening 25 of the substrate 2. The first light 101 reaches the atomization effect increase through the oscillating diffuser plate 4.
The invention further provides a projection device, which comprises the scattering sheet oscillation module 100.
In summary, the scattering sheet oscillation module provided by the invention is arranged on the first surface of the substrate based on the first fixing member, the vibration device is connected to the first fixing member, the scattering sheet is arranged on the first fixing member, and the vibration device can drive the scattering sheet to oscillate relative to the substrate by virtue of the first fixing member, so that the atomization effect can be increased without weakening the brightness of an imaging picture under the condition that the haze of the scattering sheet is not increased, the fixing mode of the scattering sheet is stable, and the cost is low.
Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to be illustrative of preferred embodiments of the present invention and should not be construed as limiting the invention. The scale in the schematic drawings does not represent the scale of actual components for the sake of clarity in describing the required components.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.
Claims (10)
1. A scattering sheet oscillation module, characterized in that, this scattering sheet oscillation module includes:
a substrate having a first face;
the first fixing piece is arranged on the first surface of the substrate;
the vibration device is connected to the first fixing piece; and
the scattering sheet is arranged on the first fixing piece;
the vibration device can drive the scattering sheet to vibrate relative to the substrate by means of the first fixing piece.
2. The diffuser plate oscillation module of claim 1, further comprising a first light ray, wherein the first fixing member is a plate, the first fixing member has a second surface, the second surface of the first fixing member is attached to the first surface of the substrate, the diffuser plate is a plate, the diffuser plate has a third surface and a fourth surface, the third surface of the diffuser plate is attached to the second surface of the first fixing member, the first light ray enters the first surface of the substrate, and the first light ray exits from the fourth surface of the diffuser plate; or, the scattering sheet oscillation module further includes a first light ray, the first fixing member is sheet-shaped, the first fixing member has a second surface, the second surface of the first fixing member is attached to the first surface of the substrate, the scattering sheet is sheet-shaped, the scattering sheet has a third surface and a fourth surface, the third surface of the scattering sheet is attached to the second surface of the first fixing member, the first light ray enters the fourth surface of the scattering sheet, and the first light ray exits from the first surface of the substrate.
3. The diffuser plate oscillation module of claim 1, wherein the substrate comprises a limiting structure, and the limiting structure limits the range of motion of the first fixing member.
4. The diffuser plate oscillation module of claim 3, wherein the position-limiting structure comprises an elastic member, and the elastic member cooperates with the first fixing member to elastically oscillate the first fixing member relative to the substrate; or the limiting structure is a second fixing piece which is matched with the first fixing piece to limit the moving range of the first fixing piece; or, the limiting structure comprises a groove structure, the first fixing piece comprises a clamping groove corresponding to the groove structure, and the groove structure limits the moving range of the clamping groove of the first fixing piece.
5. The diffuser plate oscillation module of claim 1, further comprising a buffer structure disposed between the substrate and the first fixing member.
6. The diffuser plate oscillation module of claim 1, wherein the first fixing member includes a second surface, and the second surface of the first fixing member oscillates relative to the first surface of the substrate.
7. The diffuser plate oscillation module of claim 1, wherein the first fixing member comprises a first opening and a second surface, the first opening penetrates through the second surface, and the first opening fixes the diffuser plate.
8. The diffuser plate oscillator module of claim 7, wherein the first opening includes a fixing structure, the fixing structure having flexibility, the fixing structure being deformed when the diffuser plate is placed in the fixing structure, the fixing structure resiliently fixing the diffuser plate when the diffuser plate reaches a predetermined position of the fixing structure; alternatively, the first opening includes a fixing structure, the diffusion sheet has flexibility, the diffusion sheet is deformed when the diffusion sheet is put into the fixing structure, and the fixing structure fixes the diffusion sheet which is rebounded when the diffusion sheet reaches a designated position of the fixing structure.
9. The diffuser plate oscillation module of claim 1, further comprising a first light beam, wherein the substrate comprises a second opening, the second opening penetrates through the first surface of the substrate, the diffuser plate is located at the second opening, the first light beam passes through the second opening of the substrate and the diffuser plate, and the atomization effect of the first light beam passing through the oscillating diffuser plate is increased.
10. A projection apparatus, comprising the scattering sheet oscillating module of any one of claims 1 to 9.
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| CN201910973376.3A CN110764350A (en) | 2019-10-14 | 2019-10-14 | Scattering oscillation module and projection device |
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| CN201910973376.3A CN110764350A (en) | 2019-10-14 | 2019-10-14 | Scattering oscillation module and projection device |
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