WO2023098434A1

WO2023098434A1 - Light source device

Info

Publication number: WO2023098434A1
Application number: PCT/CN2022/130881
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: CN217899638U; CN217131166U

Abstract

A light source device, comprising: a light source mechanism (10), provided with at least one group of light-emitting bodies, the at least one group of light-emitting bodies comprising at least two different light-emitting bodies; a collimating lens mechanism (20), configured to gather and/or collimate light beams emitted by the light source mechanism (10); and a position adjusting mechanism (30), comprising a fixing assembly (31) connected to the light source mechanism (10) or the collimating lens mechanism (20), and a shaft rod driving member (32). The fixing assembly (31) is connected to a shaft rod (321) of the shaft rod driving member (32), and the end portion of the shaft rod (321) is provided with a positioning member (33) for preventing shaft rod runout. The device is provided with at least two different light-emitting bodies on the light source mechanism (10), so that the light source mechanism (10) can emit at least two different light beams, and by configuring the position adjusting mechanism (30) to be connected to the light source mechanism (10) or the collimating lens mechanism (20), the collimating lens mechanism (20) and the light source mechanism (10) are controlled to move relative to each other, so that a lens unit on the collimating lens mechanism (20) can be aligned with different light-emitting bodies for collimation, thereby achieving different light spot effects.

Description

Light source device

technical field

The utility model relates to the field of optical technology, more specifically, to a light source device.

Background technique

Most of the existing stage lighting sources use LED light sources. When the stage light source structure collimates the LED luminous body, the lens unit in the collimating lens structure is usually aligned with the optical center of the LED luminous body to achieve optimal collimation. Effect. However, the spot effect of a single LED illuminant is a single effect. If it is necessary to achieve a spot effect of different color temperature or color or shape, the existing method is usually to replace the light source module, which is time-consuming, labor-intensive, and costly. better meet current needs. However, if two or more LED chips are set to correspond to the same lens unit, the lens unit cannot be aligned with the optical center of each LED illuminant for optimal collimation, and the spot effect presented is obviously inferior to that of The effect when the lens unit is aligned with the optical center of the LED illuminant. Therefore, the existing LED light source modules are usually unable to realize the presentation of different light spots, and the luminous effect is relatively single, which cannot meet the diversified needs.

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 device, which is used to solve the problem that the existing LED light source modules are usually unable to realize the presentation of different light spots, and the luminous effect is relatively single, which cannot satisfy The problem of diverse needs.

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

A light source device, comprising:

The light source mechanism is provided with at least one set of illuminants, at least one set of said illuminants includes at least two different illuminants;

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

The position adjustment mechanism includes a fixed assembly connected to the light source mechanism or the collimating lens mechanism, and a shaft driver for driving the displacement of the fixed seat assembly; the connection between the fixed assembly and the shaft driver The shaft is connected, and the end of the shaft is provided with a positioning piece to prevent the shaft from jumping.

In one of the embodiments, the number of the position adjustment mechanisms is two, and the two position adjustment mechanisms are respectively arranged on two opposite sides of the light source mechanism or the collimator lens mechanism.

In one embodiment, the fixing component is passed through the shaft, and the fixing component is provided with a bearing or a through hole matched with the shaft.

In one of the embodiments, the positioning member includes a plate body provided with a positioning hole, and the positioning hole is inserted into the shaft rod.

In one of the embodiments, the light source mechanism includes a substrate, the illuminant is assembled on the substrate, the shaft driving part and the positioning part are connected to the substrate, the fixing component is connected to the The collimating lens mechanism is connected.

In one of the embodiments, the shaft driving member includes a stepper motor provided with an output shaft, a screw assembly, a push rod or a telescopic cylinder provided with a telescopic rod.

In one embodiment, the light source device further includes a sensing element, which is disposed on one side of the fixing component and used for sensing the position of the fixing component to control the displacement accuracy.

The technical solution also provides a light source system, including any one of the above-mentioned light source devices, a light homogenizing device and a converging lens arranged on the light output optical path of the light source device.

Compared with the prior art, the beneficial effects of this technical solution 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 connects the position adjustment mechanism with the light source mechanism or the collimating lens mechanism, thereby controlling the relative displacement of the collimating lens mechanism and the light source mechanism, so that the lens unit on the collimating lens mechanism can be aligned with different illuminants for collimation, thereby Realize different spot effects. In addition, since the shaft driving part of this technical solution has its own shaft, the shaft can play a certain guiding role, so the fixed assembly can run along the predetermined track without additional guide components; The end of the rod is provided with a positioning piece, which prevents the shaft from bouncing up and down or left and right, and ensures the movement accuracy of the fixed component, thereby ensuring the spot effect.

The technical solution also provides a light source device, including:

The position adjustment mechanism includes a fixed assembly connected to the light source mechanism or the collimating lens mechanism, and a shaft driver for driving the displacement of the fixed seat assembly; the connection between the fixed assembly and the shaft driver shaft connection;

The sensing element is arranged on one side of the fixing component and is used for sensing the position of the fixing component to control the displacement accuracy.

In one of the embodiments, the number of the position adjustment mechanism is two, and the two position adjustment mechanisms are respectively arranged on two opposite sides of the light source mechanism or the collimator lens mechanism, and the sensing element and the The corresponding setting of the above position adjustment mechanism.

In one of the embodiments, the number of the sensing elements is at least two, at least two of the sensing elements are arranged at intervals, and at least two of the sensing elements are respectively used to sense at least two different positions of the fixing assembly; when When the fixing component is at the first position, the collimating lens mechanism converges and/or collimates the light beam of the first type of illuminant; when the fixing component is at the Nth position, the collimating lens mechanism is for the Nth type The light beam of the body is shrunk and/or collimated; where N≥2.

In one of the embodiments, the luminous body group includes two different luminous bodies, the sensing element includes a photoelectric switch, and the photoelectric switch includes a first switch and a second switch; The direction is perpendicular to the moving direction of the fixed component; when the fixed component is in the first position, the sensing beam emitted by the first switch is blocked, and the sensing beam emitted by the second switch is not blocked, the collimation The lens mechanism converges and/or collimates the light beams of the first type of luminous body; when the fixing assembly is in the second position, the sensing beams emitted by the first switch are not blocked, and the sensing beams emitted by the second switch blocked, the collimating lens mechanism converges and/or collimates the light beam of the second type of illuminant.

In one embodiment, the distance between at least two sensing elements matches the distance between at least two different luminous bodies in the same luminous body group.

In one of the embodiments, the sensing element includes a photoelectric sensor, and the number of the photoelectric sensor is one, and the photoelectric sensor is arranged in the moving direction of the fixing component and is used for sensing the fixing component and the photoelectric sensor. distance between sensors.

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 connects the position adjustment mechanism with the light source mechanism or the collimating lens mechanism, thereby controlling the relative displacement of the collimating lens mechanism and the light source mechanism, so that the lens unit on the collimating lens mechanism can be aligned with different illuminants for collimation, thereby Realize different spot effects. In addition, since the shaft driving part of this technical solution has its own shaft, the shaft can play a certain guiding role, so the fixed assembly can run along the predetermined track without additional guide components; at the same time, the technical solution is fixed One side of the component is equipped with a sensor for sensing the position of the fixed component to control the displacement accuracy, which ensures the movement accuracy of the fixed component and thus ensures the spot effect.

Description of drawings

FIG. 1 is a schematic structural diagram of a light source device according to Embodiment 1 of the present invention.

FIG. 2 is a top view of the light source device of Embodiment 1 of the present invention.

Fig. 3 is a partial structural schematic diagram of Embodiment 1 of the present utility model.

FIG. 4 is a first structural schematic diagram of a light source device according to Embodiment 2 of the present invention.

FIG. 5 is a first schematic diagram of the working state of the light source device in FIG. 4 .

FIG. 6 is a second schematic diagram of the working state of the light source device in FIG. 4 .

FIG. 7 is a second structural schematic diagram of a light source device according to Embodiment 2 of the present invention.

FIG. 8 is a top view of FIG. 7 .

Reference numerals: 10, light source mechanism; 20, collimating lens mechanism; 30, position adjustment mechanism; 31, fixed component; 32, shaft driving part; 321, shaft; 33, positioning part; 40, sensing part; 41 , a photoelectric switch; 411, a first switch; 412, a second switch; 42, a photoelectric sensor.

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 device as shown in Figure 1-3, comprising:

The light source mechanism 10 is provided with at least one set of illuminant groups, at least one set of said 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 adjustment mechanism 30 includes a fixed assembly 31 connected to the light source mechanism 10 or the collimating lens mechanism 20, and a shaft driver 32 for driving the displacement of the fixed seat assembly; the fixed assembly 31 is connected to the The shaft 321 of the shaft driving member 32 is connected, and the end of the shaft 321 is provided with a positioning member 33 to prevent the shaft 321 from bouncing.

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 connected to the light source mechanism 10 or the collimating lens mechanism 20, thereby controlling the relative displacement of the collimating lens mechanism 20 and the light source mechanism 10, so that the lens units on the collimating lens mechanism 20 can be aligned with different The illuminant is collimated to achieve 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.

In addition, since the shaft driving part 32 of this embodiment has its own shaft 321, the shaft 321 can play a certain guiding role, so the fixing assembly 31 can also run along a predetermined track without additionally setting a guide assembly; at the same time, this Embodiments A positioning member 33 is provided at the end of the shaft 321 to prevent the shaft 321 from bouncing up and down or left and right, thereby ensuring the movement accuracy of the fixing assembly 31 and thereby ensuring the spot effect.

In this embodiment, the connection between the fixing assembly 31 and the collimating lens mechanism 20 is taken as an example. The light source mechanism 10 includes a substrate, the illuminant is assembled on the substrate, the shaft driver 32 and the The positioning parts 33 are all connected to the base plate, so that when the shaft driving part 32 is activated, the collimating lens mechanism 20 and the light source mechanism 10 are relatively displaced, and the positioning parts 33 can limit the movement of the collimating lens mechanism 20. beat.

The number of the position adjustment mechanism 30 in this embodiment is two, and the two position adjustment mechanisms 30 are respectively arranged on two opposite sides of the collimator lens mechanism 20 . Specifically, the two position adjustment structures are symmetrically arranged to synchronously drive the movement of the collimating lens mechanism 20 to improve the running stability of the collimating lens mechanism 20 .

Similarly, in other embodiments, when the fixing assembly 31 is connected to the light source mechanism 10 , the position adjustment mechanisms 30 are respectively provided on two opposite sides of the light source mechanism 10 to drive the light source mechanism 10 to move synchronously.

In this embodiment, the fixing component 31 is passed through the shaft 321 , and the fixing component 31 is provided with a bearing or a through hole that cooperates with the shaft 321 . That is, the shaft 321 is equivalent to the screw of the screw nut pair, and the fixed assembly 31 is equivalent to the nut pair. When the shaft driver 32 is started, the fixed assembly 31 moves along the length direction of the screw.

In this embodiment, the positioning member 33 includes a plate body provided with a positioning hole, and the positioning hole is interspersed with the shaft rod 321 . Specifically, the positioning hole and the shaft rod 321 may be configured to be in an interference fit, so as to avoid a gap between the positioning hole and the shaft rod 321 and affect the positioning effect.

The shaft driver 32 includes a stepper motor with an output shaft, a screw assembly, a push rod or a telescopic cylinder with a telescopic rod. The shaft driver 32 in this embodiment is a stepper motor with an output shaft, and the output shaft is equivalent to the shaft 321 . Similarly, in other embodiments, when a screw assembly is used, the screw is equivalent to the shaft 321; when a push rod is used, the push rod is equivalent to the shaft 321; when a telescopic cylinder with a telescopic rod is used, the telescopic The rod corresponds to the shaft 321 .

In order to ensure the driving precision of the stepping motor, the light source device in this embodiment further includes an induction element 40, which is arranged on one side of the fixing assembly 31, and is used to sense the position of the fixing assembly 31 to control the displacement accuracy. . That is, when the sensor 40 senses that the fixing assembly 31 moves to a preset position, the stepper motor stops driving, and the collimation of each luminous body corresponds to a preset position, so that the collimating lens mechanism 20 realizes at least two Collimation of different illuminants.

Example 2

A light source device as shown in Figure 4-8, including:

The position adjustment mechanism 30 includes a fixed assembly 31 connected to the light source mechanism 10 or the collimating lens mechanism 20, and a shaft driver 32 for driving the displacement of the fixed seat assembly; the fixed assembly 31 is connected to the The shaft 321 of the shaft driver 32 is connected;

The sensing element 40 is disposed on one side of the fixing component 31 and used for sensing the position of the fixing component 31 to control the displacement accuracy.

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 connected to the light source mechanism 10 or the collimating lens mechanism 20, thereby controlling the relative displacement of the collimating lens mechanism 20 and the light source mechanism 10, so that the lens units on the collimating lens mechanism 20 can be aligned with different The illuminant is collimated to achieve different spot effects. In addition, since the shaft driving part 32 of this embodiment has its own shaft 321, the shaft 321 can play a certain guiding role, so the fixing assembly 31 can also run along a predetermined track without additionally setting a guide assembly; at the same time, this In the embodiment, the sensor 40 for sensing the position of the fixed component 31 to control the displacement accuracy is provided on the side of the fixed component 31 , which ensures the movement accuracy of the fixed component 31 and thereby ensures the spot effect.

In this embodiment, the connection between the fixing assembly 31 and the collimating lens mechanism 20 is taken as an example. The light source mechanism 10 includes a substrate on which the illuminant is assembled. The shaft driver 32 is connected to the The substrate is connected, so that when the shaft driver 32 is activated, the collimator lens mechanism 20 and the light source mechanism 10 are relatively displaced.

The number of the sensing elements 40 is at least two, at least two of the sensing elements 40 are arranged at intervals, and at least two of the sensing elements 40 are respectively used to sense at least two different positions of the fixing assembly 31; when the fixing assembly 31 When located at the first position, the collimating lens mechanism 20 converges and/or collimates the light beams of the first type of luminous body; The light beams of the illuminants are shrunk and/or collimated; where N≥2.

Specifically, as shown in FIGS. 4-6 , in this embodiment, the illuminant group includes two different illuminants as an example, the inductive element 40 includes a photoelectric switch 41, and the photoelectric switch 41 includes a first switch 411 and the second switch 412; the direction of the sensing light beam of the photoelectric switch 41 is perpendicular to the moving direction of the fixing component 31; when the fixing component 31 is in the first position, the sensing beam sent by the first switch 411 is block, and the sensing light beam emitted by the second switch is not blocked, the collimator lens mechanism 20 converges and/or collimates the light beam of the first type of illuminant, as shown in Figure 5; when the fixed assembly 31 is located In the second position, the sensing beam emitted by the first switch 411 is not blocked, and the sensing beam emitted by the second switch 412 is blocked, and the collimating lens mechanism 20 converges the beam of the second type of illuminant and/or collimated, as shown in Figure 6. In other embodiments, when the illuminant group includes more than two types of illuminants, more than two photoelectric switches 41 are provided, that is, the number of photoelectric switches matches the types of illuminants.

In order to ensure sensing accuracy and facilitate assembly, the distance between the two sensing elements 40 matches the distance between two different luminous bodies in the same luminous body group.

As shown in Figures 7-8, the sensing element 40 includes a photoelectric sensor 42, and the number of the photoelectric sensor 42 is one, and the photoelectric sensor 42 is arranged on the moving direction of the fixing assembly 31 and used The distance between the induction fixing component 31 and the photoelectric sensor 42 . By pre-setting multiple sets of distance values, multiple sets of movement and reset when starting up can be realized.

For example, a photoelectric switch 41 can be configured on one of the position adjustment mechanisms 30 , and a photoelectric sensor 42 can be configured on the other position adjustment mechanism 30 to provide double protection. Of course, according to actual needs, a photoelectric switch 41 or a photoelectric sensor 42 can be separately provided on one side, or a photoelectric switch 41 and/or a photoelectric sensor 42 can be provided on both position adjustment mechanisms 30 .

In this embodiment, the photoelectric sensor 42 and the photoelectric switch 41 are both arranged on the substrate.

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 device, characterized in that it comprises:

The light source mechanism is provided with at least one set of illuminants, at least one set of said illuminants includes at least two different illuminants;

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

The position adjustment mechanism includes a fixed assembly connected to the light source mechanism or the collimating lens mechanism, and a shaft driver for driving the displacement of the fixed seat assembly; the connection between the fixed assembly and the shaft driver The shaft is connected, and the end of the shaft is provided with a positioning piece to prevent the shaft from jumping.
The light source device according to claim 1, wherein the number of the position adjustment mechanisms is two, and the two position adjustment mechanisms are respectively arranged on two opposite sides of the light source mechanism or the collimator lens mechanism .
The light source device according to claim 1, wherein the fixing component is passed through the shaft, and the fixing component is provided with a bearing or a through hole matched with the shaft.
The light source device according to claim 1, wherein the positioning member comprises a plate body provided with a positioning hole, and the positioning hole is inserted and fitted with the shaft.
The light source device according to claim 1, wherein the light source mechanism includes a substrate, the illuminant is assembled on the substrate, and the shaft driving member and the positioning member are both connected to the substrate , the fixing assembly is connected with the collimating lens mechanism.
The light source device according to any one of claims 1-5, wherein the shaft driving member comprises a stepping motor provided with an output shaft, a screw assembly, a push rod or a telescopic cylinder provided with a telescopic rod.
The light source device according to any one of claims 1-5, characterized in that the light source device further comprises a sensing element, the sensing element is arranged on one side of the fixing component, and is used for sensing the position of the fixing component to Controls displacement precision.
A light source device, characterized in that it comprises:

The light source mechanism is provided with at least one set of illuminants, at least one set of said illuminants includes at least two different illuminants;

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

The position adjustment mechanism includes a fixed assembly connected to the light source mechanism or the collimating lens mechanism, and a shaft driver for driving the displacement of the fixed seat assembly; the connection between the fixed assembly and the shaft driver shaft connection;

The sensing element is arranged on one side of the fixing component and is used for sensing the position of the fixing component to control the displacement accuracy.
The light source device according to claim 8, wherein the number of the position adjustment mechanisms is two, and the two position adjustment mechanisms are respectively arranged on two opposite sides of the light source mechanism or the collimator lens mechanism , the sensing element is set corresponding to the position adjustment mechanism.
The light source device according to claim 8, wherein the number of the sensing elements is at least two, at least two of the sensing elements are arranged at intervals, and at least two of the sensing elements are respectively used to sense the position of the fixing assembly. At least two different positions; when the fixed assembly is at the first position, the collimator lens mechanism converges and/or collimates the light beam of the first type of illuminant; when the fixed assembly is at the Nth position, the collimator The lens mechanism converges and/or collimates the light beam of the Nth illuminant; wherein N≥2.
The light source device according to claim 10, wherein the illuminant group includes two different illuminants, the induction element includes a photoelectric switch, and the photoelectric switch includes a first switch and a second switch; The direction of the sensing beam of the photoelectric switch is perpendicular to the moving direction of the fixed component; when the fixing component is at the first position, the sensing beam emitted by the first switch is blocked, and the sensing beam emitted by the second switch is not blocked Blocking, the collimating lens mechanism converges and/or collimates the light beam of the first type of illuminant; when the fixing component is in the second position, the sensing beam emitted by the first switch is not blocked, and the first The sensing light beams emitted by the second switch are blocked, and the collimating lens mechanism gathers and/or collimates the light beams of the second type of luminous body.
The light source device according to claim 10, wherein the distance between at least two sensing elements matches the distance between at least two different illuminants in the same illuminant group.
The light source device according to claim 8, wherein the sensing element comprises a photoelectric sensor, and the number of the photoelectric sensor is one, and the photoelectric sensor is arranged in the moving direction of the fixing assembly and Used to sense the distance between the fixed component and the photoelectric sensor.
The light source device according to any one of claims 8-13, wherein the shaft driving member includes a stepping motor provided with an output shaft, a screw assembly, a push rod or a telescopic cylinder provided with a telescopic rod.