WO2023098435A1

WO2023098435A1 - Light source adjusting device and light source system

Info

Publication number: WO2023098435A1
Application number: PCT/CN2022/130882
Authority: WO
Inventors: 陈国平
Original assignee: 广州光联电子科技有限公司
Priority date: 2021-12-03
Filing date: 2022-11-09
Publication date: 2023-06-08
Also published as: CN216480792U

Abstract

A light source adjusting device and a light source system. The light source adjusting device comprises: a light source mechanism (10), which comprises a substrate (11) and at least one light-emitting body group provided on the substrate (11), the at least one light-emitting body group comprising at least two different light-emitting bodies; a collimating lens mechanism (20) for gathering and/or collimating beams emitted from the light source mechanism (10); and a position adjusting mechanism (30), which comprises a rack (31) provided on the collimating lens mechanism (20) and a driving assembly (32) that cooperates with the rack (31) and drives the rack (31) to move. At least two different light-emitting bodies are provided, so that the light source mechanism (10) can emit at least two different beams; and the position adjusting mechanism (30) is configured to cooperate with the rack (31) on the collimating lens mechanism (20), and the driving assembly (32) drives the rack (31) on the collimating lens mechanism (20) to move, so that the collimating lens mechanism (20) is controlled to move relative to the light source mechanism (10), and thus the collimating lens mechanism (20) can be aligned with the different light-emitting bodies for collimating, thereby achieving different light spot effects.

Description

Light source adjustment device and light source system

technical field

The utility model relates to the field of optical technology, in particular to a light source adjusting device and a light source system.

Background technique

LED light sources are widely used in various lighting fields. The high-power stage light LED light source is composed of a substrate, an array of LED light-emitting units, a collimation/receiving system, a uniform light system, a converging lens, and a housing. Among them, the LED light-emitting unit corresponds to the collimation/light-receiving system one by one, and the light emitted by the LED light-emitting unit is collimated and then imaged to the focal point through the converging lens.

When the stage light source structure collimates the LED light-emitting units arranged in an array, the lens unit in the collimating lens structure is usually aligned with the optical center of the LED light-emitting unit to achieve the optimal collimation effect. However, the spot effect of a single LED light-emitting unit is single. If you need to achieve different effects, different color temperatures or different colors, the conventional method is usually to replace the entire stage light source, which is time-consuming, labor-intensive, and expensive, and cannot be well satisfied. current needs. However, if two or more LED light-emitting units are set to correspond to the same lens unit, the lens unit cannot be aligned with the optical center of each LED light-emitting unit for optimal light collection and collimation. The effect is obviously inferior to the effect when the optical center of the LED light emitting unit is aligned. Therefore, the luminous effect of the existing stage light source is relatively single, which cannot meet the diversified market demands.

Utility model content

The utility model aims at overcoming at least one defect (deficiency) of the above-mentioned prior art, and provides a light source adjustment device, which is used to solve the problem that the existing LED light source modules usually cannot realize the presentation of different light spots, and the luminous effect is relatively single, which cannot The problem of meeting diverse needs.

The technical scheme that the utility model takes is as follows:

A light source adjustment device, comprising:

The light source mechanism includes a substrate and at least one set of illuminant groups arranged on the substrate, at least one set of the illuminant groups includes at least two different luminous bodies;

A collimating lens mechanism for converging and/or collimating the light beam emitted by the light source mechanism;

The position adjustment mechanism includes a rack arranged on the collimating lens mechanism, and a drive assembly that cooperates with the rack and drives the rack to displace so as to drive the displacement of the collimating lens mechanism.

In one embodiment, the driving assembly includes a motor and a transmission gear set connected to an output shaft of the motor, and the transmission gear set meshes with the rack.

In one of the embodiments, the transmission gear set includes a driving gear coaxially connected with the output shaft of the motor, and a driven gear meshing with both the driving gear and the rack.

In one of the embodiments, the driving gear is a driving bevel gear; the driven gear includes a driven bevel gear meshing with the driving gear, and a driven cylindrical gear meshing with the rack; The driven bevel gear is coaxially connected with the driven cylindrical gear.

In one of the embodiments, the driving assembly includes a motor provided with an output shaft, and the output shaft is provided with a screw thread that cooperates with the rack.

In one of the embodiments, the light source adjustment device further includes an auxiliary movement mechanism for assisting the stable displacement of the collimator lens mechanism.

In one embodiment, the auxiliary moving mechanism includes a first auxiliary moving assembly, and the first auxiliary moving assembly and the position adjustment mechanism are respectively arranged on two opposite sides of the collimating lens mechanism.

In one of the embodiments, the first auxiliary moving assembly includes a first roller connected to the substrate and matched with a collimating lens mechanism; and/or, the first auxiliary moving assembly includes a first roller connected to the substrate and The pressure bar that limits the jumping up and down of the collimating lens mechanism.

In one of the embodiments, the auxiliary moving mechanism includes a second auxiliary moving assembly, and the second auxiliary moving assembly is located on the same side of the collimating lens mechanism as the position adjusting mechanism.

In one of the embodiments, the second auxiliary moving assembly includes an auxiliary moving gear connected to the base plate and spaced apart from the driving assembly, the auxiliary moving gear meshes with the rack; and/or, the second auxiliary moving The moving component includes a pressing piece that is connected to the substrate and restricts the collimating lens mechanism from bouncing up and down; and/or, the second auxiliary moving component includes a second roller that is connected to the substrate and cooperates with the collimating lens mechanism.

The technical solution also provides a light source system, including the light source adjusting device as described in any one of the above, a light homogenizing device and a converging lens arranged on the light output light path of the light source adjusting device.

Compared with the prior art, the beneficial effects of the utility model are:

In this technical solution, at least two different illuminants are arranged on the light source mechanism, and at least one of the color, color temperature, quantity or shape of the different illuminants is different, so that the light source mechanism can emit at least two different light beams, and the technology The scheme cooperates with the gear rack of the collimating lens mechanism by setting the position adjusting mechanism, and the driving component of the position adjusting mechanism drives the rack displacement on the collimating lens mechanism, thereby controlling the relative displacement of the collimating lens mechanism and the light source mechanism, so that the collimating lens mechanism The upper lens unit can be aligned with different illuminants for collimation, so as to achieve different spot effects.

Description of drawings

FIG. 1 is a schematic structural view of the light source adjusting device described in Embodiment 1 of the present utility model.

FIG. 2 is a partially enlarged schematic diagram of A in FIG. 1 .

Fig. 3 is a schematic structural diagram of the light source adjusting device described in Embodiment 2 of the present invention.

Reference signs: 10, light source mechanism; 11, substrate; 20, collimating lens mechanism; 21, lens bracket; 22, lens unit; 30, position adjustment mechanism; 31, rack; 32, drive assembly; 321, motor; 322, transmission gear set; 3221, driving gear; 3222, driven gear; 3223, driven bevel gear; 3224, driven cylindrical gear; 323, screw thread; 40, auxiliary moving mechanism; 41, first auxiliary moving assembly; 411, the first roller; 412, the bead; 42, the second auxiliary moving component; 421, the auxiliary moving gear; 422, the pressing piece; 50, the base.

Detailed ways

The accompanying drawings of the utility model are only used for exemplary description, and should not be construed as a limitation of the utility model. In order to better illustrate the following embodiments, some components in the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, some known structures and their descriptions in the drawings may be omitted. understandable.

Example 1

A light source adjustment device as shown in Figures 1-2, including:

The light source mechanism 10 includes a substrate 11 and at least one set of illuminant groups disposed on the substrate 11, at least one set of the illuminant groups includes at least two different illuminants;

A collimator lens mechanism 20, configured to converge and/or collimate the light beam emitted by the light source mechanism 10;

The position adjusting mechanism 30 includes a rack 31 disposed on the collimating lens mechanism 20 , and a driving assembly 32 that cooperates with the rack 31 and drives the rack 31 to displace, thereby driving the collimating lens mechanism 20 to displace.

In this embodiment, at least two different illuminants are arranged on the light source mechanism 10, and at least one of the color, color temperature, quantity or shape of the different illuminants is different, so that the light source mechanism 10 can emit at least two different light beams, and In this embodiment, the position adjustment mechanism 30 is set to cooperate with the rack 31 of the collimation lens mechanism 20, and the driving assembly 32 of the position adjustment mechanism 30 drives the displacement of the rack 31 on the collimation lens mechanism 20, thereby controlling the collimation lens mechanism 20 and the light source The relative displacement of the mechanism 10 enables the lens unit 22 on the collimator lens mechanism 20 to be aligned with different illuminants for collimation, thereby realizing different spot effects. The illuminant in this embodiment can be a single chip, multiple chips, or lamp beads, etc., the chip can be a bare chip or a packaged chip, and the chip type can be an LED chip or a VCSEL. The best implementation mode of this embodiment is that each group of illuminant groups is the same, that is, a plurality of illuminant groups are set on the light source mechanism 10, and each illuminant group includes two different illuminant groups, but in other embodiments, the light emitting Body groups may not be exactly the same.

The collimator lens mechanism 20 in this embodiment includes a lens holder 21 and a lens unit 22 disposed on the lens holder 21 , and the lens unit 22 is arranged correspondingly to the illuminant of the light source mechanism 10 . The rack 31 is disposed on one side of the lens holder 21 .

The drive assembly 32 in this embodiment includes a motor 321 and a transmission gear set 322 connected to the output shaft of the motor 321 , and the transmission gear set 322 meshes with the rack 31 . The transmission gear set 322 is driven by the motor 321 , thereby driving the displacement of the rack 31 meshing with the transmission gear set 322 , and converting the rotational motion of the output shaft of the motor 321 into the linear motion of the collimator lens mechanism 20 .

The transmission gear set 322 in this embodiment includes a driving gear 3221 coaxially connected with the output shaft of the motor 321 , and a driven gear 3222 meshing with both the driving gear 3221 and the rack 31 . The motor 321 drives the driving gear 3221 to move, the driving gear 3221 drives the driven gear 3222 to move, and the driven gear 3222 drives the rack 31 to move.

Specifically, the driving gear 3221 is a driving bevel gear; the driven gear 3222 includes a driven bevel gear 3223 meshing with the driving gear 3221 and a driven cylindrical gear 3224 meshing with the rack 31 ; The driven bevel gear 3223 is coaxially connected with the driven cylindrical gear 3224 . Therefore, the driven gear 3222 can not only mesh with the driving gear 3221, but also mesh with the rack 31 without interfering with each other. Moreover, the technology of the above-mentioned gears is mature and is a standard product without additional customization, which reduces the production cost.

In order to make the collimating lens mechanism 20 move smoothly, the light source adjusting device further includes an auxiliary moving mechanism 40 for assisting the stable displacement of the collimating lens mechanism 20 .

In this embodiment, the auxiliary moving mechanism 40 includes a first auxiliary moving assembly 41 , and the first auxiliary moving assembly 41 and the position adjusting mechanism 30 are respectively disposed on two opposite sides of the collimating lens mechanism 20 . In other embodiments, the first auxiliary moving assembly 41 can also be arranged on the side of the collimating lens mechanism 20 adjacent to the position adjustment mechanism 30 .

Specifically, the first auxiliary moving assembly 41 includes a first roller 411 connected to the substrate 11 and matched with the collimator lens mechanism 20, and the first roller 411 is in contact with the collimator lens mechanism 20 to make the collimator The displacement of the lens mechanism 20 is smooth and does not shift. The number of the first rollers 411 can be set as appropriate according to the actual situation. Taking this embodiment as an example, the number of the first rollers 411 in this embodiment is two, and the two first rollers 411 are arranged at intervals in the collimator lens mechanism 20 on one side; in addition, the first auxiliary moving assembly 41 in this embodiment further includes a bezel 412 that is connected to the base plate 11 and restricts the collimator lens mechanism 20 from bouncing up and down. The first roller 411 is integrated through the support of the first roller 411 , and the support of the first roller 411 is connected to the substrate 11 through the bead 412 , or directly connected to the substrate 11 . In other implementation manners, the press bar 412 and the first roller 411 can be set alternatively, and the press bar 412 can prevent the collimator lens from bouncing up and down.

The auxiliary moving mechanism 40 in this embodiment includes a second auxiliary moving assembly 42 , and the second auxiliary moving assembly 42 is located on the same side of the collimating lens mechanism 20 as the position adjusting mechanism 30 . Therefore, it cooperates with the first auxiliary moving component 41 to further ensure the smoothness, stability, reliability and accuracy of the displacement of the collimator lens mechanism 20 .

Specifically, the second auxiliary moving assembly 42 includes an auxiliary moving gear 421 connected to the base plate 11 and spaced apart from the driving assembly 32, and the auxiliary moving gear 421 meshes with the rack 31; that is, the auxiliary moving gear 421 Actually, it is the driven gear 3222 that limits the movement direction of the rack 31. When the size of the collimating lens mechanism 20 is large, it is difficult to ensure that no deviation occurs during the movement. The collimator lens mechanism 20 is displaced along a preset track, and the driven gear 3222 improves the smoothness of the displacement of the collimator lens mechanism 20 to a certain extent.

The second auxiliary moving assembly 42 in this embodiment also includes a pressing piece 422 that is connected to the substrate 11 and restricts the collimator lens mechanism 20 from bouncing up and down. The pressing piece 422 can be arranged on the side of the auxiliary moving gear 421. The number of pressing tablets 422 can be any number. In this embodiment, two pressing tablets 422 are taken as an example. The two pressing tablets 422 are located at the two ends of the rack 31 respectively. and position adjustments. In addition, in other embodiments, the second auxiliary moving component 42 may further include a second roller connected to the substrate 11 and matched with the collimator lens mechanism 20 , the second roller is in contact with the collimator lens mechanism 20 Cooperate, the displacement of the collimating lens mechanism 20 is smooth and does not shift. The second roller can be integrated with the pressing piece 422 to facilitate installation, that is, the second rolling wheel can be selectively integrated above or below part of the pressing piece 422 .

In addition, in order to simplify the installation process, this embodiment integrates the second auxiliary moving assembly 42 and the driving assembly 32 through the base 50. When installing, the base 50 is directly installed on the substrate 11 to complete the alignment. A series of fits of the lens mechanism 20.

This embodiment also provides a light source system, including the light source adjusting device as described in any one of the above, a light homogenizing device and a converging lens arranged on the light output path of the light source adjusting device. After the light beam emitted by the light source mechanism 10 passes through the collimating lens mechanism 20, the light beam can be shrunk and collimated to become parallel light or near parallel light, and then passed through the homogenizing device to homogenize the light, and finally emit light through the converging lens.

Example 2

As shown in Figure 3, the principle and structure of this embodiment are similar to that of Embodiment 1, the difference is that the drive assembly 32 in this embodiment includes a motor 321 with an output shaft, and the output shaft is provided with a Thread 323 for engagement of strip 31 . When the motor 321 is running, the output shaft rotates, and the cooperation between the rack 31 and the thread 323 converts the rotational motion of the output shaft into the linear motion of the rack 31 . Compared with Embodiment 1, this embodiment directly cooperates the motor 321 with the rack 31, which reduces the number of parts, and the assembly is simple and fast.

In addition, the second auxiliary moving assembly 42 in this embodiment may also include a second roller (not shown in the figure) that is connected with the substrate 11 and cooperates with the collimator lens mechanism 20, and the second roller is connected with the collimator. The lens mechanism 20 is in contact with each other, so that the displacement of the collimator lens mechanism 20 is smooth and does not shift. The second roller is integrated with the pressing piece 422 for easy installation. Specifically, the second roller is located under the pressing piece 422 .

Apparently, the above-mentioned embodiments of the utility model are only examples for clearly illustrating the technical solution of the utility model, rather than limiting the specific implementation manner of the utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the claims of the utility model shall be included in the protection scope of the claims of the utility model.

Claims

A light source adjustment device, characterized in that it comprises:

The light source mechanism includes a substrate and at least one set of illuminant groups arranged on the substrate, at least one set of the illuminant groups includes at least two different luminous bodies;

A collimating lens mechanism for converging and/or collimating the light beam emitted by the light source mechanism;

The position adjusting mechanism includes a rack arranged on the collimating lens mechanism, and a driving assembly that cooperates with the rack and drives the rack to displace, thereby driving the collimating lens mechanism to displace.
The light source adjusting device according to claim 1, wherein the driving assembly comprises a motor and a transmission gear set connected to an output shaft of the motor, and the transmission gear set meshes with the rack.
The light source adjusting device according to claim 2, wherein the transmission gear set comprises a driving gear coaxially connected with the output shaft of the motor, and a driven gear meshing with both the driving gear and the rack.
The light source adjusting device according to claim 3, characterized in that, the driving gear is a driving bevel gear; the driven gear includes a driven bevel gear meshing with the driving gear, and A meshed driven cylindrical gear; the driven bevel gear is coaxially connected with the driven cylindrical gear.
The light source adjustment device according to claim 1, wherein the driving assembly comprises a motor provided with an output shaft, and the output shaft is provided with a screw thread that cooperates with the rack.
The light source adjusting device according to any one of claims 1-5, characterized in that the light source adjusting device further comprises an auxiliary moving mechanism for assisting the stable displacement of the collimating lens mechanism.
The light source adjusting device according to claim 6, wherein the auxiliary moving mechanism includes a first auxiliary moving assembly, and the first auxiliary moving assembly and the position adjusting mechanism are respectively arranged on the collimating lens mechanism. two opposite sides.
The light source adjustment device according to claim 7, wherein the first auxiliary moving component includes a first roller connected to the substrate and cooperating with the collimating lens mechanism; and/or, the first auxiliary moving The component includes a bead that is connected with the substrate and limits the jumping up and down of the collimating lens mechanism.
The light source adjusting device according to claim 6, wherein the auxiliary moving mechanism comprises a second auxiliary moving assembly, and the second auxiliary moving assembly is located on the same side of the collimating lens mechanism as the position adjusting mechanism.
The light source adjusting device according to claim 9, wherein the second auxiliary moving assembly includes an auxiliary moving gear connected to the base plate and spaced apart from the driving assembly, the auxiliary moving gear meshing with the rack; and /or, the second auxiliary moving component includes a pressing piece that is connected to the substrate and restricts the collimating lens mechanism from bouncing up and down; and/or, the second auxiliary moving component includes Mechanism fits the second roller.
A light source system, characterized by comprising the light source adjustment device according to any one of claims 1-10, a light homogenizing device and a converging lens arranged on the light output optical path of the light source adjustment device.