CN219417895U - Sectional type laser homogenization spot dissipation device - Google Patents
Sectional type laser homogenization spot dissipation device Download PDFInfo
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- CN219417895U CN219417895U CN202320469375.7U CN202320469375U CN219417895U CN 219417895 U CN219417895 U CN 219417895U CN 202320469375 U CN202320469375 U CN 202320469375U CN 219417895 U CN219417895 U CN 219417895U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model relates to the field of laser projection and discloses a sectional type laser homogenizing spot dissipating device. Meanwhile, the up-and-down movement spring plate and the left-and-right movement spring plate are connected, the structure is simple, the cost is low, the device is suitable for being used in a large-scale scene, the up-and-down movement spring plate and the left-and-right movement spring plate are respectively provided with a first gap and a second gap, the spring plate deformation force arm can be increased to ensure better elasticity, and the speckle effect is improved.
Description
Technical Field
The utility model relates to the field of laser projection, in particular to a segmented laser homogenizing and speckle dissipating device.
Background
In recent years, the laser display technology is widely used in various occasions due to the advantages of high brightness, wide color gamut, high color reproducibility, long service life, energy conservation, environmental protection and the like. The development of laser light sources in the field of projection display technology is also receiving more and more attention from the outside. However, due to the good coherence of the laser light source, speckle and background fringes are easily generated, which brings a certain impediment to the application development of laser. Therefore, how to effectively reduce the laser speckle effect is an urgent problem to be solved at present. Most of the current optical fields adopt a light-homogenizing sheet to realize a light-homogenizing effect by static or unidirectional movement, and the spot-eliminating effect is poor.
Disclosure of Invention
The utility model aims to provide a segmented laser homogenizing and spot dissipating device with good spot dissipating effect.
The utility model is realized in such a way that the sectional type laser homogenizing spot dissipating device comprises a main body supporting plate, a mounting plate, an outer coil, an inner coil and a light homogenizing plate, wherein the light homogenizing plate is placed on the main body supporting plate to move, and the outer coil and the inner coil are arranged inside the main body supporting plate through the mounting plate; the main body support plate is provided with an up-and-down moving frame and a left-and-right moving frame which respectively drive the light homogenizing sheet to move up and down and in the left-and-right direction, the left-and-right moving frame is connected with the up-and-down moving frame by adopting a left-and-right moving spring piece, and the up-and-down moving frame is connected with the main body support plate by adopting an up-and-down moving spring piece; the upper and lower moving frame is symmetrically provided with two first mounting grooves for accommodating the upper and lower moving magnets, the upper and lower moving magnets are electrically connected with the outer coil, the outer coil is positioned below the upper and lower moving frame, and the upper and lower moving frame is driven to move up and down after the outer coil is electrified; the left-right moving frame is symmetrically provided with two second mounting grooves for accommodating left-right moving magnets, the left-right moving magnets are electrically connected with the inner coils, the inner coils are positioned below the left-right moving frame, and the inner coils can drive the left-right moving frame to move left and right after being electrified; the up-and-down movement spring piece further comprises a first gap, the left-and-right movement spring piece further comprises a second gap, and the first gap and the second gap are used for spring piece deformation.
Preferably, the upper surface of the main body supporting plate is provided with a first mounting plate, a second mounting plate, a third mounting plate and a fourth mounting plate, the first mounting plate comprises a first side edge and a second side edge, and a first bulge is arranged on the first side edge; the first bulge is connected with a second fixing hole on an up-and-down movement elastic sheet and is used for fixing the up-and-down movement frame on the main body supporting plate; the edge of the up-and-down movement elastic sheet is abutted on the second side edge and used for limiting the up-and-down movement elastic sheet.
Preferably, the up-and-down movement elastic sheet further comprises a first fixing hole and an up-and-down movement elastic sheet, wherein a plurality of first mounting holes are formed in the up-and-down movement elastic sheet, a plurality of first mounting protrusions are symmetrically arranged on the outer side face of the same side of the up-and-down movement frame as the first mounting groove, and the first mounting protrusions and the first mounting holes are mounted in one-to-one correspondence respectively.
Preferably, a first mounting part is further mounted on the side surface, on the same side as the first mounting protrusion, of the up-and-down moving frame, and the first mounting part comprises a first limiting protrusion and a first opening groove; the two first limiting protrusions are respectively positioned at the upper side and the lower side of the up-and-down movement elastic sheet, and are used for limiting the up-and-down movement elastic sheet in the vertical direction; the up-down moving frame further comprises a third installation protrusion, and the third installation protrusion is located in the first opening groove and connected with the first fixing hole.
Preferably, the second installation protrusions are symmetrically arranged on the inner side surface of the up-down moving frame, which is at the different side from the first installation groove, and the left-right moving elastic sheet comprises a third fixing hole, a left-right moving elastic sheet and a fourth fixing hole, wherein the fourth fixing hole is connected with the second installation protrusions.
Preferably, a plurality of fourth mounting protrusions are symmetrically arranged on the outer side face of the left and right moving frame, which is on the same side as the second mounting groove, and the fourth mounting protrusions are respectively connected with the second mounting holes on the left and right movable elastic sheets in a one-to-one correspondence manner.
Preferably, a second mounting part is further mounted on the side surface, on the same side as the second mounting protrusion, of the left-right moving frame, and the second mounting part comprises a second limiting protrusion and a second opening groove; the two second limiting protrusions are respectively positioned on the upper surface and the lower surface of the left-right movement elastic sheet, and are used for limiting the up-down movement elastic sheet in the vertical direction; the left-right moving frame further comprises a fifth installation protrusion, and the fifth installation protrusion is located in the second opening groove and connected with the third fixing hole.
Preferably, the first gap comprises a first transverse groove and a first vertical groove, the first transverse groove is positioned above the upper and lower movable elastic pieces, and the first vertical groove is positioned on the right side of the upper and lower movable elastic pieces; the second gap comprises a second transverse groove and a second vertical groove, the second transverse groove is positioned above the left and right movable elastic sheet, and the second vertical groove is positioned on the right side of the left and right movable elastic sheet.
Compared with the prior art, the automatic test device has the advantages that the up-down moving frame and the left-right moving frame are arranged, the light homogenizing sheet is driven to move up and down and in the left-right direction respectively, different phase divergence angles on the light homogenizing sheet are fully utilized, the area utilization rate is improved, the speckle dissipation effect is improved, continuous automatic test can be realized, and the working efficiency is improved. Meanwhile, the up-and-down movement spring plate and the left-and-right movement spring plate are connected, the structure is simple, the cost is low, the device is suitable for being used in a large-scale scene, the up-and-down movement spring plate and the left-and-right movement spring plate are respectively provided with a first gap and a second gap, the spring plate deformation force arm can be increased to ensure better elasticity, and the speckle effect is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a segmented laser homogenizing and spot dissipating device according to an embodiment of the present utility model;
FIG. 2 is a schematic top view of a segmented laser homogenizing and spot dissipating apparatus according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of section "A-A" of FIG. 2;
fig. 4 is a schematic diagram of an up-down movable spring plate structure according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of a left-right movable spring plate structure according to an embodiment of the present utility model;
fig. 6 is a schematic diagram of an up-down moving frame according to an embodiment of the present utility model;
fig. 7 is a schematic diagram of a left-right moving frame according to an embodiment of the present utility model.
Description of the drawings:
1-a main body support plate; 101-a first mounting plate; 1011-a first side; 1012-a second side; 1013-a first protrusion; 102-a second mounting plate; 1021-third side; 1022-fourth side; 1023-a second bump; 103-a third mounting plate; 104-a fourth mounting plate; 2-light homogenizing sheet; 3-moving the frame up and down; 301-a first mounting groove; 302-a first mounting boss; 303-a second mounting boss; 304-a first mounting portion; 3041-a first limit projection; 3042-first open slot; 305-a third mounting boss; 4-moving the frame left and right; 401-a support; 402-a limit part; 403-a second mounting slot; 404-a second mounting portion; 4041-a second limit bump; 4042-second open slot; 405-fourth mounting bosses; 406-fifth mounting boss; 5-moving up and down the magnet; 6-moving the magnet left and right; 7-moving the spring plate up and down; 701-a first fixing hole; 702-an up-down movable spring plate; 7021-a first mounting hole; 703-a first gap; 7031-first transverse grooves; 7032-first vertical slot; 704-a second fixing hole; 8-a left-right movement spring piece; 801-a third fixing hole; 802-left and right movable spring plates; 8021-a second mounting hole; 803-second gap; 8031-second transverse slot; 8032-second vertical slot; 804-fourth fixing holes; 9-an outer coil; 10-mounting a piece; 11-inner coil.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
The implementation of the present utility model will be described in detail below with reference to specific embodiments.
Referring to fig. 1 to 7, a preferred embodiment of the present utility model is provided. A sectional type laser homogenizing speckle eliminating device comprises a main body supporting plate 1 and a light homogenizing sheet 2, wherein the light homogenizing sheet 2 is placed on the main body supporting plate 1 to move. Wherein, the main body supporting plate 1 is also provided with an up-and-down moving frame 3 and a left-and-right moving frame 4 which respectively drive the light homogenizing sheet 2 to move up and down and in the left-and-right direction. Compared with the prior art, the method has a larger coverage area, makes full use of different phase divergence angles on the light homogenizing sheet, improves the area utilization rate and improves the speckle dissipation effect. Meanwhile, the device can realize continuous automatic test, has simple structure and low cost, improves the working efficiency, and is suitable for being used in a large-scale scene.
Further, the left-right moving frame 4 is connected with the up-down moving frame 3 by a left-right moving spring piece 8, and the up-down moving frame 3 is connected with the main body supporting plate 1 by an up-down moving spring piece 7. Wherein, the left-right movement spring piece 8 and the up-down movement spring piece 7 are made of materials with stronger bending rigidity.
Further, the present application further includes a mounting piece 10, and both the outer coil 9 and the inner coil 11 are disposed inside the main body support plate 1 through the mounting piece 10. Wherein, the outer coil 9 is positioned below the up-down moving frame 3, and the up-down moving frame 3 is driven to move up and down after the outer coil 9 is electrified; the inner coil 11 is located below the left-right moving frame 4, and can drive the left-right moving frame 4 to move left and right after being electrified.
Specifically, the up-and-down moving frame 3 is symmetrically provided with two first mounting grooves 301 for accommodating the up-and-down moving magnets 5; the left-right moving frame 4 is symmetrically provided with two second mounting grooves 403 for accommodating the left-right moving magnets 6. The up-and-down moving magnet 5 is electrically connected to the outer coil 9, and the left-and-right moving magnet 6 is electrically connected to the inner coil 11.
Further, the upper surface of the main body supporting plate 1 is provided with a first mounting plate 101, a second mounting plate 102, a third mounting plate 103 and a fourth mounting plate 104, wherein the first mounting plate 101 comprises a first side 1011 and a second side 1012, a first protrusion 1013 is arranged on the first side 1011, the first protrusion 1013 is connected with a second fixing hole 704 on an up-down moving spring 7, the up-down moving frame 3 is fixed on the first mounting plate 101, and meanwhile, the edge of the up-down moving spring 7 is abutted on the second side 1012 for limiting the up-down moving spring 7. The second mounting plate 102 includes a third side 1021 and a fourth side 1022, the third side 1021 is provided with a second protrusion 1023, the second protrusion 1023 is connected with the second fixing hole 704 on the other up-down moving elastic sheet 7, and at the same time, the edge of the up-down moving elastic sheet 7 abuts against the fourth side 1022 to limit the up-down moving elastic sheet 7 continuously.
Further, the up-and-down moving spring piece 7 further includes a first fixing hole 701 and an up-and-down moving spring piece 702, wherein a plurality of first mounting holes 7021 are formed on the up-and-down moving spring piece 702. Correspondingly, a plurality of first mounting protrusions 302 are symmetrically arranged on the outer side surface of the up-down moving frame 3 on the same side as the first mounting groove 301, and the first mounting protrusions 302 and the first mounting holes 7021 are respectively mounted in a one-to-one correspondence. In addition, a first mounting portion 304 is provided on the side surface of the up-and-down moving frame 3 on the same side as the first mounting projection 302, and the first mounting portion 304 is integrally formed with the up-and-down moving frame 3.
Specifically, the first mounting portion 304 includes a first limiting protrusion 3041 and a first opening groove 3042, where there are 2 first limiting protrusions 3041 respectively located on the upper and lower surfaces of the up-down moving elastic sheet 7, for limiting the up-down moving elastic sheet 7 in the vertical direction. The up-and-down moving frame 3 further includes a third mounting protrusion 305, and the third mounting protrusion 305 is located in the first opening groove 3042 and mounted with the first fixing hole 701.
In this embodiment, the second mounting projections 303 are symmetrically provided on the inner side surface of the up-and-down moving frame 3 on the side different from the first mounting groove 301. Correspondingly, the left-right moving spring piece 8 includes a third fixing hole 801, a left-right moving spring piece 802, and a fourth fixing hole 804, and the fourth fixing hole 804 is mounted in cooperation with the second mounting boss 303.
Further, a plurality of fourth mounting protrusions 405 are symmetrically arranged on the outer side surface of the left and right moving frame 4 on the same side as the second mounting groove 403, and the fourth mounting protrusions 405 are respectively and correspondingly mounted with a plurality of second mounting holes 8021 on the left and right movable elastic sheet 802. In addition, a second mounting portion 404 is provided on the side surface of the left-right moving frame 4 on the same side as the second mounting protrusion 405, and the second mounting portion 404 is integrally formed with the left-right moving frame 4.
Specifically, the second mounting portion 404 includes a second limiting protrusion 4041 and a second opening slot 4042, where 2 second limiting protrusions 4041 are located on the upper and lower surfaces of the left and right moving spring 8, respectively, and are used for limiting the up and down moving spring 8 in the vertical direction. The left-right moving frame 4 further includes a fifth mounting projection 406, and the fifth mounting projection 406 is positioned in the second opening groove 4042 and mounted with the third fixing hole 801.
Optionally, the left-right moving frame 4 further includes a supporting portion for supporting the light homogenizing sheet 2. In addition, a plurality of limiting portions 402 are further provided on the upper surface of the left-right moving frame 4, for limiting the light homogenizing sheet 2.
In this embodiment, the up-down movement spring 7 further includes a first gap 703, the left-right movement spring 8 further includes a second gap 803, and the first gap 703 and the second gap 803 are both used for increasing a spring deformation arm, so as to ensure better elasticity, and prevent the speckle effect from being bad due to limited up-down and left-right movement distances.
Preferably, the first gap 703 and the second gap 803 are through grooves penetrating in the front-rear direction. The specific shapes of the first and second gaps 703 and 803 are not limited, and may be determined according to actual needs.
In this embodiment, the first gap 703 includes a first horizontal slot 7031 and a first vertical slot 7032, the first horizontal slot 7031 is located above the upper and lower movable elastic sheet 702, and the first vertical slot 7032 is located on the right side of the upper and lower movable elastic sheet 702; the second gap 803 includes a second horizontal slot 8031 and a second vertical slot 8032, the second horizontal slot 8031 is located above the left and right movable elastic sheet 802, and the second vertical slot 8032 is located on the right side of the left and right movable elastic sheet 803.
By providing the first gap 703 and the second gap 803, the up-and-down moving frame 3 and the left-and-right moving frame 4 can be moved more stably and in a wider range in the up-and-down direction and the left-and-right direction, respectively, thereby further enhancing the speckle eliminating effect.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. The sectional type laser homogenizing spot dissipating device is characterized by comprising a main body supporting plate, a mounting plate, an outer coil, an inner coil and a light homogenizing plate, wherein the light homogenizing plate is placed on the main body supporting plate to move, and the outer coil and the inner coil are arranged inside the main body supporting plate through the mounting plate;
the main body support plate is provided with an up-and-down moving frame and a left-and-right moving frame which respectively drive the light homogenizing sheet to move up and down and in the left-and-right direction, the left-and-right moving frame is connected with the up-and-down moving frame by adopting a left-and-right moving spring piece, and the up-and-down moving frame is connected with the main body support plate by adopting an up-and-down moving spring piece;
the upper and lower moving frame is symmetrically provided with two first mounting grooves for accommodating an upper and lower moving magnet, the upper and lower moving magnet is electrically connected with the outer coil, the outer coil is positioned below the upper and lower moving frame, and the upper and lower moving frame is driven to move up and down after the outer coil is electrified;
the left-right moving frame is symmetrically provided with two second mounting grooves for accommodating left-right moving magnets, the left-right moving magnets are electrically connected with the inner coil, the inner coil is positioned below the left-right moving frame, and the inner coil can drive the left-right moving frame to move left and right after being electrified;
the up-and-down movement spring piece further comprises a first gap, the left-and-right movement spring piece further comprises a second gap, and the first gap and the second gap are used for deformation of the spring piece.
2. The segmented laser homogenizing and spot dissipating device of claim 1, wherein a first mounting plate, a second mounting plate, a third mounting plate and a fourth mounting plate are arranged on the upper surface of the main body supporting plate, the first mounting plate comprises a first side edge and a second side edge, and a first protrusion is arranged on the first side edge; the first bulge is connected with a second fixing hole on the up-and-down movement elastic sheet and is used for fixing the up-and-down movement frame on the main body supporting plate; the edge of the up-and-down movement elastic sheet is abutted against the second side edge and used for limiting the up-and-down movement elastic sheet.
3. The segmented laser homogenizing speckle eliminating device of claim 2, wherein the up-and-down moving spring plate further comprises a first fixing hole and an up-and-down moving spring plate, wherein a plurality of first mounting holes are formed in the up-and-down moving spring plate, a plurality of first mounting protrusions are symmetrically arranged on the outer side face of the up-and-down moving frame, which is on the same side as the first mounting groove, and the first mounting protrusions are respectively mounted in one-to-one correspondence with the first mounting holes.
4. The segmented laser homogenizing and spot dissipating device according to claim 3, wherein a first mounting part is further mounted on the side surface of the up-and-down moving frame on the same side as the first mounting protrusion, and the first mounting part comprises a first limiting protrusion and a first open slot; the two first limiting protrusions are respectively positioned at the upper side and the lower side of the up-down movement elastic sheet, and the first limiting protrusions are used for limiting the up-down movement elastic sheet in the vertical direction; the up-down moving frame further comprises a third installation protrusion, and the third installation protrusion is located in the first opening groove and connected with the first fixing hole.
5. The segmented laser homogenizing speckle eliminating device of claim 4, wherein the second mounting protrusions are symmetrically arranged on the inner side surface of the up-down moving frame on the side different from the first mounting groove, the left-right moving spring plate comprises a third fixing hole, a left-right moving spring plate and a fourth fixing hole, and the fourth fixing hole is connected with the second mounting protrusions.
6. The segmented laser homogenizing speckle eliminating device of claim 5, wherein a plurality of fourth mounting protrusions are symmetrically arranged on the outer side surface of the left and right moving frame, which is on the same side as the second mounting groove, and the fourth mounting protrusions are respectively connected with the second mounting holes on the left and right movable elastic sheets in a one-to-one correspondence manner.
7. The segmented laser homogenizing spot dissipating apparatus of claim 6, wherein a second mounting portion is further mounted on the side of the left-right moving frame on the same side as the second mounting protrusion, the second mounting portion comprising a second limiting protrusion and a second open slot; the two second limiting protrusions are respectively positioned on the upper surface and the lower surface of the left-right movement elastic piece, and the second limiting protrusions are used for limiting the up-down movement elastic piece in the vertical direction; the left-right moving frame further comprises a fifth installation protrusion, and the fifth installation protrusion is located in the second open groove and connected with the third fixing hole.
8. The segmented laser homogenizing and spot dissipating device of claim 7, wherein the first gap comprises a first transverse slot and a first vertical slot, the first transverse slot is located above the upper and lower movable spring plates, and the first vertical slot is located on the right side of the upper and lower movable spring plates; the second gap comprises a second transverse groove and a second vertical groove, the second transverse groove is positioned above the left movable elastic sheet and the right movable elastic sheet, and the second vertical groove is positioned on the right side of the left movable elastic sheet and the right movable elastic sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320469375.7U CN219417895U (en) | 2023-03-13 | 2023-03-13 | Sectional type laser homogenization spot dissipation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320469375.7U CN219417895U (en) | 2023-03-13 | 2023-03-13 | Sectional type laser homogenization spot dissipation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219417895U true CN219417895U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320469375.7U Active CN219417895U (en) | 2023-03-13 | 2023-03-13 | Sectional type laser homogenization spot dissipation device |
Country Status (1)
| Country | Link |
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| CN (1) | CN219417895U (en) |
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2023
- 2023-03-13 CN CN202320469375.7U patent/CN219417895U/en active Active
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