CN209765248U - Double-lens projector - Google Patents
Double-lens projector Download PDFInfo
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- CN209765248U CN209765248U CN201920424484.0U CN201920424484U CN209765248U CN 209765248 U CN209765248 U CN 209765248U CN 201920424484 U CN201920424484 U CN 201920424484U CN 209765248 U CN209765248 U CN 209765248U
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- 230000004927 fusion Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a double-lens projector, which comprises a projector body, a projection light source arranged in the projector body, a light splitting component arranged in the projector body and two projection lenses; the two projection lenses are respectively and fixedly arranged at the side end of the projector body; the light splitting assembly is arranged in front of the projection light source, and light emitted by the projection light source is equally divided into two beams through the light splitting assembly and is projected out through the two projection lenses respectively. The utility model discloses the advantage: can realize the projection of double screen through a projector, not only can realize the large screen projection of double screen promptly, can realize the projection of double screen of not equidirectional moreover, compare through many concatenation fusion projections with current needs, it is more convenient not only to use, realizes that the cost is lower moreover.
Description
Technical Field
The utility model relates to a projection equipment field, in particular to double-lens formula projector.
Background
A projector is an optical instrument that uses an optical element to enlarge the contour of a workpiece and project it onto a screen. However, the existing projectors can only project in a certain direction, when large-screen projection needs to be achieved, the large-screen projection can only be achieved by splicing and fusing a plurality of projectors, and when the large-screen projection is achieved by splicing and fusing a plurality of projectors, the problems of complex calibration procedures, high requirements on hoisting positions and the like exist. Meanwhile, when the projection in multiple directions is to be realized, the projection can be realized only by a plurality of projectors, so the realization cost is higher.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in providing a double-lens formula projector, can realize the projection of unit double screen through this projector.
the utility model discloses a realize like this: a double-lens projector comprises a projector body and a projection light source arranged in the projector body; the method is characterized in that: the projector also comprises a light splitting component and two projection lenses which are arranged in the projector body; the two projection lenses are respectively and fixedly arranged at the side end of the projector body; the light splitting assembly is arranged in front of the projection light source, and light emitted by the projection light source is equally divided into two beams through the light splitting assembly and is projected out through the two projection lenses respectively.
Furthermore, the two projection lenses are arranged on any side of the projector body; the light splitting component comprises a first half-penetration half-reflection mirror and a first total reflection mirror; the first half-penetration half-reflection mirror is arranged in front of the projection light source, and the first full-reflection mirror is arranged in front of the first half-penetration half-reflection mirror; the light projected by the projection light source is divided into two beams by the first half-transparent half-reflecting mirror, one beam of light is reflected to one projection lens for projection, the other beam of light is transmitted to the first total reflecting mirror, and the light is reflected to the other projection lens by the first total reflecting mirror for projection.
Further, an included angle between the first transflective mirror and the light projected by the projection light source is 45 °.
Furthermore, an included angle between the first total reflection mirror and the light projected by the projection light source is 45 degrees.
Furthermore, the two projection lenses are symmetrically arranged on two sides of the projector body; the light splitting component comprises a second semi-transparent and semi-reflective mirror and a second total reflector; the second semi-transparent and semi-reflective mirror is arranged in front of the projection light source, and the second total-reflective mirror is arranged in front of the second semi-transparent and semi-reflective mirror; the light projected by the projection light source is divided into two beams by the second semi-transparent and semi-reflective mirror, one beam of light is reflected to one projection lens for projection, the other beam of light is transmitted to the second total reflector, the light is reflected back to the second semi-transparent and semi-reflective mirror by the second total reflector, and the light is reflected to the other projection lens by the second semi-transparent and semi-reflective mirror for projection.
Furthermore, an included angle between the second semi-transparent and semi-reflective mirror and the light projected by the projection light source is 45 degrees.
Furthermore, an included angle between the second total reflection mirror and the light projected by the projection light source is 90 °.
The utility model has the advantages that: the utility model discloses can realize the projection of double screen through a projector, not only can realize the large-size screen projection of double screen promptly, can realize the projection of double screen of equidirectional moreover, it compares to fuse the projection through many concatenations with current needs, not only it is more convenient to use, realizes moreover that the cost is lower.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a dual-lens projector according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a light splitting assembly according to a first embodiment of the present invention.
fig. 3 is a schematic structural diagram of a dual-lens projector according to a second embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a secondary light splitting assembly according to an embodiment of the present invention.
Description of reference numerals:
100-projector, 1-projector body, 2-projection light source, 3-light splitting component, 31-first half-transparent half-reflecting mirror, 32-first total reflecting mirror, 33-second half-transparent half-reflecting mirror, 34-second total reflecting mirror and 4-projection lens.
Detailed Description
The first embodiment is as follows:
Please refer to fig. 1 to 2, the projector 100 of the present invention includes a projector body 1, a projection light source 2 disposed in the projector body 1, a light splitting component 3 disposed in the projector body 1, and two projection lenses 4; the two projection lenses 4 are respectively and fixedly arranged at the side end of the projector body 1; the light splitting component 3 is arranged in front of the projection light source 2, and light emitted by the projection light source 2 is equally divided into two beams through the light splitting component 3, and the two beams are projected out through the two projection lenses 4 respectively.
In the first embodiment, the two projection lenses 4 are both disposed on any side of the projector body 1; therefore, large-screen projection can be directly realized through the two projection lenses 4, a plurality of splicing fusion projections are not needed as in the prior art, and the problems of complicated calibration procedure, high requirement on lifting positions and the like do not exist naturally, so that the realization cost of large-screen projection can be greatly reduced.
The light splitting component 3 comprises a first half-transparent half-reflecting mirror 31 and a first total reflecting mirror 32; the first half-mirror 31 is arranged in front of the projection light source 2, and the first full-mirror 32 is arranged in front of the first half-mirror 31; the light projected by the projection light source 2 is divided into two beams by the first half-transparent half-reflecting mirror 31, one beam of light is reflected to one projection lens 4 for projection, the other beam of light is transmitted to the first full-reflecting mirror 32, and the other beam of light is reflected to the other projection lens 4 by the first full-reflecting mirror 32 for projection, so that the simultaneous projection of the two projection lenses 4 is realized.
An included angle alpha between the first half-mirror 31 and the light projected by the projection light source 21At 45 deg., so that when the projection light source 2 projects light onto the first half mirror 31, the light is equally divided into two. An included angle α between the first total reflection mirror 32 and the light projected by the projection light source 22is 45 degrees to reflect the light to the other projection lens 4 for projection.
The second embodiment is as follows:
Please refer to fig. 3 to 4, the projector 100 of the present invention includes a projector body 1, a projection light source 2 disposed in the projector body 1, a light splitting component 3 disposed in the projector body 1, and two projection lenses 4; the two projection lenses 4 are respectively and fixedly arranged at the side end of the projector body 1; the light splitting component 3 is arranged in front of the projection light source 2, and light emitted by the projection light source 2 is equally divided into two beams through the light splitting component 3, and the two beams are projected out through the two projection lenses 4 respectively.
In the second embodiment, the two projection lenses 4 are symmetrically disposed on two sides of the projector body 1; thus, the projection in two opposite directions can be simultaneously realized, and the projection in two directions can be realized by two projectors as in the prior art, so that the realization cost of the multi-direction projection can be greatly reduced.
The light splitting component 3 comprises a second half-transparent and half-reflective mirror 33 and a second total-reflective mirror 34; the second half-transparent and half-reflective mirror 33 is arranged in front of the projection light source 2, and the second total-reflective mirror 34 is arranged in front of the second half-transparent and half-reflective mirror 33; the light projected by the projection light source 2 is divided into two beams by the second half-transparent mirror 33, one beam of light is reflected to one projection lens 4 for projection, the other beam of light is transmitted to the second total reflector 34, the light is reflected back to the second half-transparent mirror 33 by the second total reflector 34, and the light is reflected to the other projection lens 4 by the second half-transparent mirror 33 for projection.
An included angle beta between the second semi-transparent and semi-reflective mirror 33 and the light projected by the projection light source 21At 45 deg., so that when the projection light source 2 projects light onto the second half mirror 33, the light is equally divided into two. The included angle beta between the second total reflection mirror 32 and the light projected by the projection light source 22At 90 deg. to achieve reflection of light back to the second half mirror 33.
To sum up, the utility model has the advantages of as follows: the utility model discloses can realize the projection of double screen through a projector, not only can realize the large-size screen projection of double screen promptly, can realize the projection of double screen of equidirectional moreover, it compares to fuse the projection through many concatenations with current needs, not only it is more convenient to use, realizes moreover that the cost is lower.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (7)
1. A double-lens projector comprises a projector body and a projection light source arranged in the projector body; the method is characterized in that: the projector also comprises a light splitting component and two projection lenses which are arranged in the projector body; the two projection lenses are respectively and fixedly arranged at the side end of the projector body; the light splitting assembly is arranged in front of the projection light source, and light emitted by the projection light source is equally divided into two beams through the light splitting assembly and is projected out through the two projection lenses respectively.
2. A dual-lens projector as claimed in claim 1, wherein: the two projection lenses are arranged on any side of the projector body; the light splitting component comprises a first half-penetration half-reflection mirror and a first total reflection mirror; the first half-penetration half-reflection mirror is arranged in front of the projection light source, and the first full-reflection mirror is arranged in front of the first half-penetration half-reflection mirror; the light projected by the projection light source is divided into two beams by the first half-transparent half-reflecting mirror, one beam of light is reflected to one projection lens for projection, the other beam of light is transmitted to the first total reflecting mirror, and the light is reflected to the other projection lens by the first total reflecting mirror for projection.
3. A dual-lens projector as claimed in claim 2, wherein: the included angle between the first half-transparent half-reflecting mirror and the light projected by the projection light source is 45 degrees.
4. A dual-lens projector as claimed in claim 2, wherein: the included angle between the first total reflector and the light projected by the projection light source is 45 degrees.
5. A dual-lens projector as claimed in claim 1, wherein: the two projection lenses are symmetrically arranged on two sides of the projector body; the light splitting component comprises a second semi-transparent and semi-reflective mirror and a second total reflector; the second semi-transparent and semi-reflective mirror is arranged in front of the projection light source, and the second total-reflective mirror is arranged in front of the second semi-transparent and semi-reflective mirror; the light projected by the projection light source is divided into two beams by the second semi-transparent and semi-reflective mirror, one beam of light is reflected to one projection lens for projection, the other beam of light is transmitted to the second total reflector, the light is reflected back to the second semi-transparent and semi-reflective mirror by the second total reflector, and the light is reflected to the other projection lens by the second semi-transparent and semi-reflective mirror for projection.
6. A dual-lens projector as claimed in claim 5, wherein: and an included angle between the second semi-transparent and semi-reflective mirror and the light projected by the projection light source is 45 degrees.
7. A dual-lens projector as claimed in claim 5, wherein: the included angle between the second total reflection mirror and the light projected by the projection light source is 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920424484.0U CN209765248U (en) | 2019-03-29 | 2019-03-29 | Double-lens projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920424484.0U CN209765248U (en) | 2019-03-29 | 2019-03-29 | Double-lens projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209765248U true CN209765248U (en) | 2019-12-10 |
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ID=68757234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920424484.0U Expired - Fee Related CN209765248U (en) | 2019-03-29 | 2019-03-29 | Double-lens projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209765248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117492192A (en) * | 2023-12-04 | 2024-02-02 | 宜宾市极米光电有限公司 | Projection lens |
-
2019
- 2019-03-29 CN CN201920424484.0U patent/CN209765248U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117492192A (en) * | 2023-12-04 | 2024-02-02 | 宜宾市极米光电有限公司 | Projection lens |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |