CN116224690A - Device for projecting pattern and projection method thereof - Google Patents
Device for projecting pattern and projection method thereof Download PDFInfo
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- CN116224690A CN116224690A CN202310220235.0A CN202310220235A CN116224690A CN 116224690 A CN116224690 A CN 116224690A CN 202310220235 A CN202310220235 A CN 202310220235A CN 116224690 A CN116224690 A CN 116224690A
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- projection
- lens group
- light
- disc
- group
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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
- G03B21/142—Adjusting of projection optics
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- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Viewfinders (AREA)
- Optical Elements Other Than Lenses (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The utility model discloses a device for projecting patterns and a projection method thereof, comprising a base body arranged on a base, wherein the light holes of the base body are arranged corresponding to the light groups; the projection disc comprises a projection film exposed on the upper surface and the lower surface of the projection disc, and the projection film is exposed downwards in the light hole; the lens group is located the top of projection dish, the projection in the horizontal direction, the lens group for the projection piece eccentric setting, along with the rotation of projection dish, the projection piece with the part that the lens group overlaps constantly changes, the light that the light group sent passes in proper order the projection piece with behind the lens group forms the projection pattern of gradual change. The enhanced dynamic projection effect meets the use requirement.
Description
[ field of technology ]
The utility model relates to the technical field of projection devices and projection methods thereof, in particular to a device and a method for projecting a dynamic change pattern.
[ background Art ]
The existing device for projecting patterns comprises a light group, a slide disc arranged above the light group and a projection lens arranged above the slide disc, wherein the projection lens coincides with a central shaft of the film disc, the slide disc comprises slides exposed on the upper surface and the lower surface of the slide disc, the width of each slide is equal to or smaller than that of a lens in the lens, the lens can project all patterns of the slide disc, and the slide disc is driven by a motor to rotate for 360 degrees, so that a user can only watch the patterns with the same content, the dynamic effect of the projected patterns is difficult to experience, the user is easy to feel tedious, and the experience effect is poor.
Therefore, a new device for projecting the pattern is needed.
[ utility model ]
Aiming at the problems faced by the background technology, the utility model provides a gradually changing projection pattern formed by light emitted by a light group passing through a projection film and a lens group.
In order to achieve the above purpose, the utility model adopts the following technical means:
an apparatus for projecting a pattern, comprising: the base comprises a first shell, a second shell, an accommodating space and a projection groove, wherein the first shell and the second shell are matched with each other, the accommodating space is formed between the first shell and the second shell, and the projection groove is communicated with the accommodating space; the lamplight group is accommodated in the accommodating space; the base body is positioned above the light group and comprises a containing groove and a light transmission hole penetrating through the bottom wall of the containing groove downwards, and the light transmission hole is arranged corresponding to the light group; the projection disc is accommodated in the accommodating groove and comprises projection films exposed on the upper surface and the lower surface of the projection disc, and the projection films are exposed downwards in the light holes; a motor assembly for driving the projection disk to rotate; the lens group is positioned above the projection disc and is upwards exposed in the projection groove, projects in the horizontal direction, the lens group is eccentrically arranged relative to the projection sheet, along with the rotation of the projection disc, the overlapping part of the projection sheet and the lens group is continuously changed, and light emitted by the light group sequentially passes through the projection sheet and the lens group to form a gradually-changed projection pattern.
Further, the projection sheet comprises a projection part and a limiting part connected with the projection part, the projection part is exposed from top to bottom to the projection disc, the limiting part is positioned on the projection disc, the part of the projection part is arranged corresponding to the lens group, and the width of the projection part is larger than that of the light focusing sheet of the lens group.
Further, the lens group comprises a fixing ring and at least one condensing sheet fixed on the fixing ring, and the diameter of the condensing sheet is smaller than or equal to half of the width of the projection part.
Further, the diameter of the pattern projected by the lens group is larger than half of the width of the projection part and smaller than the width of the projection part.
Further, the central axis of the light group and the central axis of the projection sheet are not located on the same straight line.
Further, the central axes of the light group, the light hole, the projection disk and the lens group coincide.
Further, the projection disk comprises a rotating part protruding downwards into the light hole and a fool-proof part surrounding the rotating part, and the fool-proof part is matched with the fool-proof groove of the seat body.
A method of forming a projected pattern comprising the steps of: s1: providing a base, wherein the base comprises an accommodating space and a projection groove communicated with the accommodating space; s2: providing a light group, wherein the light group is accommodated in the accommodating groove; s3: providing a projection disc, wherein the projection disc is accommodated in the accommodating groove and comprises projection films exposed on the upper surface and the lower surface of the projection disc, and the projection films are exposed downwards in the light holes; s4: providing a motor assembly, wherein the motor assembly drives the projection disk to rotate; s5: and providing a lens group, wherein the lens group is positioned above the projection disc and projects in the horizontal direction, the lens group is eccentrically arranged relative to the projection sheet, along with the rotation of the projection disc, the overlapping part of the projection sheet and the lens group is continuously changed, and the projection pattern formed after light emitted by the light group sequentially passes through the projection sheet and the lens group is gradually changed.
Further, the projection sheet includes a projection portion exposed to the projection plate, and the front end of the lens group overlaps the front end of the projection portion in a projection in a horizontal direction, and the rear end of the lens group passes over a central axis of the projection portion and is in front of the rear end of the projection portion.
Further, the diameter of the pattern projected by the lens group is less than or equal to half of the width of the projection part.
Compared with the prior art, the device for projecting the pattern has the following beneficial effects:
the light holes through the base are arranged corresponding to the light groups; the projection disc comprises a projection film exposed on the upper surface and the lower surface of the projection disc, and the projection film is exposed downwards in the light hole; the lens group is located the top of projection dish, the projection in the horizontal direction, the lens group for the projection piece eccentric setting, along with the rotation of projection dish, the projection piece with the part that the lens group overlaps constantly changes, the light that the light group sent passes in proper order the projection piece with behind the lens group forms the projection pattern of gradual change. The enhanced dynamic projection effect meets the use requirement.
[ description of the drawings ]
FIG. 1 is a perspective view of an inventive apparatus for projecting a pattern;
FIG. 2 is a perspective view of the housing, light fixture, projection disk, and motor assembly of FIG. 1;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a cross-sectional view taken along line A- -A in FIG. 3;
FIG. 5 is an exploded perspective view of the projection disk of FIG. 2;
FIG. 6 is a perspective view of the housing of FIG. 2;
fig. 7 is a bottom view of the light fixture and the projection disk of fig. 2.
Reference numerals of the specific embodiments illustrate:
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Light hole 33 | Fool-proof groove 34 |
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[ detailed description ] of the utility model
For a better understanding of the utility model with objects, structures, features, and effects, the utility model will be described further with reference to the drawings and to the detailed description.
As shown in fig. 1 to 7, a projection device 100 for a pattern according to the present utility model includes a base 1, a light unit 2 accommodated in the base 1, a base 3 movably inserted into the base 1, a projection disk 4 mounted on the base 3, a motor assembly 5 for driving the projection disk 4 to rotate, and a lens unit 6 above the projection disk 4.
As shown in fig. 1, 2 and 4, the base 1 includes a first case 11 and a second case 12 that are fitted to each other, an accommodating space 13 formed between the first case 11 and the second case 12, and a slot 14 provided in communication with the accommodating space 13. The first housing 11 includes a projection groove 111 provided in communication with the accommodation space 13. The light group 2 is mounted on the second housing 12 and includes a lamp panel 21 and a light collecting member 22 above the lamp panel 21. The light collecting member 22 includes at least one convex lens 221 above the lamp panel 21.
As shown in fig. 6, the base 3 is located above the light group 2. The base 3 may be movably inserted into the slot 14 in the front-back direction, and the base 3 includes a receiving slot 31, and a notch 32 and a light hole 33 that are disposed in communication with the receiving slot 31. The accommodating groove 31 is formed by recessing downwards from the top surface of the base 3, the notch 32 penetrates the side wall of the accommodating groove 31 forwards, and the light hole 33 penetrates the bottom wall of the accommodating groove 31 vertically. The base 3 further includes a foolproof slot 34 disposed around the light hole 33, where the foolproof slot 34 is formed by recessing from the top surface of the accommodating slot 31 and penetrates through the bottom wall of the accommodating slot 31. The light group 2 and the light hole 33 are aligned up and down, that is, the central axis of the light group 2 coincides with the central axis of the light hole 33, and of course, in other embodiments, the central axes of the light group 2 and the light hole 33 may not be located on the same line.
As shown in fig. 3, 4 and 5, the projection disk 4 is mounted in the receiving groove 31. The projection disk 4 includes a main body 41 and a platen 43 accommodated in the main body 41 and positioned above the projection sheet 42. The main body portion 41 includes a through hole 411 penetrating the upper and lower surfaces thereof, a rotation portion 412 provided around the through hole 411, a fool-proof portion 413, a first groove 414, a second groove 415, and a ring gear 416. The rotation part 412 is formed by extending downwards from the hole wall of the through hole 411, the fool-proof part 413 is arranged around the rotation part 412, and the rotation part 412 is arranged downwards beyond the fool-proof part 413. The rotating portion 412 protrudes downward into the light hole 33, and the fool-proof portion 413 is matched with the fool-proof slot 34. The first groove 414 is formed by recessing downwards from the top surface of the main body 41, the second groove 415 is formed by recessing downwards from the bottom surface of the first groove 414, the first groove 414 surrounds the second groove 415, the projection film 42 is accommodated in the second groove 415, the projection film 42 comprises a projection portion 421 and a limiting portion 422 extending outwards from the projection portion 421, the projection portion 421 is exposed on the upper side and the lower side of the through hole 411, and the limiting portion 422 is pressed between the main body 41 and the pressing plate 43. The through holes 411 are disposed in up-down alignment with the light holes 33. The projection portion 421 is exposed downward from the light hole 33. The central axis of the light group 2 coincides with or is not on the same straight line as the central axis of the disk of the projection sheet 42. The pressing plate 43 is accommodated in the first groove 414 and disposed around the through hole 411, that is, the pressing plate 43 has a hollow structure with a ring shape. The pressing plate 43 is not higher than the top surface of the main body 41. The projection piece 42 is exposed downward from the main body 41, and is exposed upward from the pressing plate 43. The gear ring 416 protrudes beyond the notch 32 to engage the motor assembly 5. The width of the projection portion 421 is larger than the width of the convex lens 221, the front end of the light converging member 22 coincides with the front end of the projection portion 421, and the rear end of the light converging member 22 passes over the central axis of the projection portion 421 and is in front of the rear end of the projection portion 421. The different positions of the periphery of the projection portion 421 pass through the light collecting member 22 in sequence. (see FIG. 7)
As shown in fig. 3 and 4, the lens assembly 6 is exposed upward from the projection slot 111. In this embodiment, the central axes of the light group 2, the light hole 33, the projection disk 4, and the lens group 6 coincide. The lens assembly 6 includes a fixing ring 61 and at least one light focusing sheet 62 fixed to the fixing ring 61. The projection portion 421 is disposed corresponding to the lens group 6, and the width of the projection portion 421 is greater than the width of the light converging sheet 62 of the lens group 6. With the rotation of the projection disk 4, the overlapping portion of the projection sheet 42 and the lens group 6 is continuously changed, that is, different positions of the periphery of the projection sheet gradually pass under the lens group, the light emitted by the light group 2 sequentially passes through the projection sheet 42 and the lens group 6 to form a gradually changing projection pattern, and the diameter of the pattern projected by the lens group 6 is greater than half of the width of the projection portion 421 and less than the width of the projection portion 421 or the pattern projected by the lens group 6 is equal to or less than half of the projection portion 421. The diameter of the light collecting plate 62 may be said to be less than or equal to half the width of the projection portion 421, or the diameter of the light collecting plate 62 may be said to be greater than half the width of the projection portion 421 and less than the width of the projection portion 421.
The method for forming the projection pattern by the device for projecting the pattern comprises the following steps: s1: providing a base 1, wherein the base 1 comprises an accommodating space 13 and a projection groove 111 communicated with the accommodating space 13; s2: providing a light group 2, wherein the light group 2 is accommodated in the accommodating groove 31; s3: providing a projection disc 4, wherein the projection disc 4 is accommodated in the accommodating groove 31, the projection disc 4 comprises a projection film 42 exposed on the upper surface and the lower surface of the projection disc, and the projection film 42 is exposed downwards in the light hole 33; s4: providing a motor assembly 5, wherein the motor assembly 5 drives the projection disk 4 to rotate; s5: providing a lens group 6, wherein the lens group 6 is located above the projection disc 4 and projects in a horizontal direction, the lens group 6 is eccentrically arranged relative to the projection film 42, along with the rotation of the projection disc 4, the overlapping part of the projection film 42 and the lens group 6 is continuously changed, and the projection pattern formed after the light emitted by the light group 2 sequentially passes through the projection film 42 and the lens group 6 is gradually changed.
In summary, the device for projecting a pattern of the utility model has the following advantages:
(1) The light holes 33 of the base body 3 are arranged corresponding to the light groups 2; the projection disk 4 includes a projection film 42 exposed on the upper and lower surfaces thereof, and the projection film 42 is exposed downward in the light hole 33; the lens group 6 is located above the projection disc 4, and projects in a horizontal direction, the lens group 6 is eccentrically disposed with respect to the projection film 42, along with rotation of the projection disc 4, a portion of the projection film 42 overlapping with the lens group 6 is continuously changed, and light emitted by the light group 2 sequentially passes through the projection film 42 and the lens group 6 to form a gradually changing projection pattern. The enhanced dynamic projection effect meets the use requirement.
The above detailed description is merely illustrative of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model, so that all equivalent technical changes that can be made by the present specification and illustrations are included in the scope of the utility model.
Claims (10)
1. An apparatus for projecting a pattern, comprising:
the base comprises a first shell, a second shell, an accommodating space and a projection groove, wherein the first shell and the second shell are matched with each other, the accommodating space is formed between the first shell and the second shell, and the projection groove is communicated with the accommodating space;
the lamplight group is accommodated in the accommodating space;
the base body is positioned above the light group and comprises a containing groove and a light transmission hole penetrating through the bottom wall of the containing groove downwards, and the light transmission hole is arranged corresponding to the light group;
the projection disc is accommodated in the accommodating groove and comprises projection films exposed on the upper surface and the lower surface of the projection disc, and the projection films are exposed downwards in the light holes;
a motor assembly for driving the projection disk to rotate;
the lens group is positioned above the projection disc and is upwards exposed in the projection groove, projects in the horizontal direction, the lens group is eccentrically arranged relative to the projection sheet, along with the rotation of the projection disc, the overlapping part of the projection sheet and the lens group is continuously changed, and light emitted by the light group sequentially passes through the projection sheet and the lens group to form a gradually-changed projection pattern.
2. The apparatus for projecting a pattern according to claim 1, wherein: the projection sheet comprises a projection part and a limiting part connected with the projection part, the projection part is exposed out of the projection disc from top to bottom, the limiting part is positioned on the projection disc, the part of the projection part is arranged corresponding to the lens group, and the width of the projection part is larger than that of the light focusing sheet of the lens group.
3. The apparatus for projecting a pattern according to claim 2, wherein: the lens group comprises a fixed ring and at least one condensing sheet fixed on the fixed ring, and the diameter of the condensing sheet is smaller than or equal to half of the width of the projection part.
4. The apparatus for projecting a pattern according to claim 2, wherein: the diameter of the pattern projected by the lens group is larger than half of the width of the projection part and smaller than the width of the projection part.
5. The apparatus for projecting a pattern according to claim 1, wherein: the central axis of the lamp light group and the central axis of the projection sheet are not positioned on the same straight line.
6. The apparatus for projecting a pattern according to any one of claims 1 to 5, wherein: the central axes of the light group, the light hole, the projection disk and the lens group are coincident.
7. The apparatus for projecting a pattern according to any one of claims 1 to 5, wherein: the projection disk comprises a rotating part protruding downwards into the light hole and a fool-proof part surrounding the rotating part, and the fool-proof part is matched with the fool-proof groove of the seat body.
8. A method of forming a projected pattern comprising the steps of:
s1: providing a base, wherein the base comprises an accommodating space and a projection groove communicated with the accommodating space;
s2: providing a light group, wherein the light group is accommodated in the accommodating groove;
s3: providing a projection disc, wherein the projection disc is accommodated in the accommodating groove and comprises projection films exposed on the upper surface and the lower surface of the projection disc, and the projection films are exposed downwards in the light holes;
s4: providing a motor assembly, wherein the motor assembly drives the projection disk to rotate;
s5: and providing a lens group, wherein the lens group is positioned above the projection disc and projects in the horizontal direction, the lens group is eccentrically arranged relative to the projection sheet, along with the rotation of the projection disc, the overlapping part of the projection sheet and the lens group is continuously changed, and the projection pattern formed after light emitted by the light group sequentially passes through the projection sheet and the lens group is gradually changed.
9. The apparatus for projecting a pattern according to claim 8, wherein: the projection sheet comprises a projection part exposed on the projection disc, the front end of the lens group is overlapped with the front end of the projection part in the projection in the horizontal direction, and the rear end of the lens group passes over the central axis of the projection part and is in front of the rear end of the projection part.
10. The apparatus for projecting a pattern according to claim 8, wherein: the diameter of the pattern projected by the lens group is less than or equal to half of the width of the projection part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310220235.0A CN116224690A (en) | 2023-03-08 | 2023-03-08 | Device for projecting pattern and projection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310220235.0A CN116224690A (en) | 2023-03-08 | 2023-03-08 | Device for projecting pattern and projection method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116224690A true CN116224690A (en) | 2023-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310220235.0A Pending CN116224690A (en) | 2023-03-08 | 2023-03-08 | Device for projecting pattern and projection method thereof |
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| Country | Link |
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| CN (1) | CN116224690A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117518688A (en) * | 2023-10-17 | 2024-02-06 | 广东时光生活科技有限公司 | Projection equipment |
-
2023
- 2023-03-08 CN CN202310220235.0A patent/CN116224690A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117518688A (en) * | 2023-10-17 | 2024-02-06 | 广东时光生活科技有限公司 | Projection equipment |
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