CN210323555U

CN210323555U - Lighting system with multiple light sources sharing light path

Info

Publication number: CN210323555U
Application number: CN201920507897.5U
Authority: CN
Inventors: 李伟民; 金志樑; 熊大曦; 杨斐
Original assignee: Suzhou Institute of Biomedical Engineering and Technology of CAS
Current assignee: Suzhou Institute of Biomedical Engineering and Technology of CAS
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-04-14
Anticipated expiration: 2029-04-15

Abstract

The present application discloses a lighting system with multiple light sources sharing an optical path. The lighting system includes: an optical system, at least one light source module and at least one driving system. The center of the optical system and one of the light source modules emit light. The light in the area is coaxial, the light source module is correspondingly installed on the heat dissipation system, and the driving system is connected with the light source module, and drives the light source module to move. In the present application, the light sources in the light-emitting areas encapsulated in different forms can emit the emitted light in a coaxial form through the method of co-optical path, so as to realize the beam-combination of the optical paths of different light sources, which greatly improves the installation and cost. ; The present application can not only bring higher optical power to illumination systems such as fluorescence microscope illumination, but also greatly reduce the cost of the illumination system.

Description

Lighting system with multiple light sources sharing light path

Technical Field

The application belongs to the technical field of illumination, and in particular relates to a lighting system with multiple light sources sharing a light path.

Background

The existing fluorescent micro-lighting source generally adopts the following components: the wide-spectrum light source such as a xenon lamp and a halogen lamp realizes light excitation of different wavelengths through a plurality of filter box blocks of different wave bands. However, it has some technical defects: the energy utilization rate is low, each exciting light only occupies a small part of the whole light energy, the filter box blocks with different wave bands can increase the volume of the system, and expensive optical components further improve the cost of the whole machine. At present, the LED light source with low energy consumption and small volume is used for replacing the existing LED light source, but the light emitted by the LED light source is a narrow-band spectrum, and the LED light source with multiple wave bands is required to be combined to meet the illumination application of the fluorescence microscope.

Chinese patent publication No. CN 109185730A discloses a multispectral light source system, which uses a dichroic mirror to coaxially process several different bands of light and irradiate the light at the same position, so as to combine the multiple bands of light. However, to ensure that the optical axes of the light of each wavelength band are consistent in the emitting direction, the installation and adjustment difficulty is high and the cost is high.

The chinese patent publication No. CN 108050429 a discloses an LED multi-spectral common light path light source lighting device, which can move the central point of LED chips with different wave bands by a mobile station, thereby achieving the effect of coinciding with the optical axis of an optical element. However, the adjustment method is single, and the switching use of various application scenes is difficult to meet.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings or drawbacks of the prior art, the present application provides an illumination system with multiple light sources in a common optical path.

In order to solve the technical problem, the application is realized by the following technical scheme:

a multi-light-source co-channel illumination system, the illumination system comprising: the light source module comprises an optical system, at least one light source module and at least one driving system, wherein the optical axis of the optical system is coaxial with the light of a light emitting area in one of the light source modules, and the driving system is connected with the light source module and drives the light source module to move.

Further, the optical axis of the optical system is coaxial with the central light ray of the light emitting region in one of the light source modules.

Furthermore, the driving system is connected with the light source module through a mounting plate and drives the light source module to move.

Further, the plane of the rotation center of the driving system is perpendicular to the plane of the light-emitting area.

Further, a plurality of the light emitting regions are arranged in an arc-shaped manner.

Further, the rotation radius R of the light emitting region, the included angle θ of the light emitting region, and the side length of the light emitting region satisfy:

that is to say that the first and second electrodes,

wherein δ is the minimum mounting distance of the chip in the light source module; a. b is the side length of the adjacent light emitting regions; r is the radius of rotation of the light emitting region; theta is the included angle of the light emitting region and is the minimum rotation angle of the light source module.

Further, the rotating shaft of the driving system is arranged in parallel with the plane where the light emitting area is located.

Further, the light source module or the light emitting area in the light source module is arranged on the circumferential surface of the mounting plate along the circumferential direction.

that is to say that the first and second electrodes,

Furthermore, the minimum rotatable angle α of the driving system and the minimum rotatable angle theta of the light source module satisfy the condition that theta is N. α, wherein N is more than or equal to 1.

Further, the driving system comprises a stepping motor, a servo motor, a motor, an encoder, a rotary air cylinder or a rotary hydraulic cylinder.

Further, the driving system can be also provided with a screw and a screw sleeve, wherein the rotating shaft of the driving system is connected with the screw, and the screw sleeve matched with the screw is connected with the mounting plate.

Furthermore, light emitting areas in one of the light source modules are linearly arranged, and central light rays of the light emitting areas are arranged in parallel with the screw rod.

Further, the minimum mounting distance δ of the chip in the light source module satisfies:

that is to say that the first and second electrodes,

wherein, δ is the minimum installation distance of the chip in the light source module, a and b are the side lengths of the adjacent light-emitting areas, α is the minimum rotatable angle of the driving system, and P is the screw pitch of the screw.

Furthermore, when the number of the lighting systems is at least two, a main driving system is further configured, wherein a rotating shaft of the main driving system is connected with a connecting frame, and at least one light source module is further mounted on the connecting frame; and the rotating shafts of other driving systems are connected with the light source modules correspondingly arranged.

Furthermore, the light source module further comprises a heat dissipation system, wherein one side of the heat dissipation system is connected with the rotating shaft of the driving system, and the other side of the heat dissipation system is connected with the light source module; or, the heat dissipation system is replaced by a mounting plate.

Further, the light source module is correspondingly installed on a heat sink in the heat dissipation system.

Further, each of the light emitting regions includes: one or more of a solid state light source, an LED chip, a vcsel chip, an OLED or an LD chip.

Further, the optical system is provided with a plurality of optical subsystems, wherein the center of one optical subsystem is coaxially arranged with the center of the light-emitting region, and the centers of the plurality of optical subsystems are located on the same circumference.

Further, a power rotating device is arranged at the central position of the optical system.

Compared with the prior art, the method has the following technical effects:

the light emitting area is provided with a plurality of light emitting areas, and the light emitting areas are packaged in different forms; the application not only can bring higher light power for illumination systems such as fluorescent micro-illumination, but also can greatly reduce the cost of the illumination system.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1: the structure diagram of one embodiment of the lighting system with the multiple light sources sharing the light path is provided;

FIG. 2: a rotation pattern diagram of the structure shown in fig. 1;

FIG. 3: the working principle diagram of the structure shown in fig. 2;

FIG. 4: the structure diagram of the embodiment of the illumination system with the multi-light source common light path;

FIG. 5: a rotation pattern diagram of the structure shown in fig. 4;

FIG. 6: the working principle diagram of the structure shown in fig. 5;

FIG. 7: the structure diagram of one embodiment of the lighting system with the multiple light sources sharing the light path is provided;

FIG. 8: a rotation pattern diagram of the structure shown in fig. 7;

FIG. 9: the working principle diagram of the structure shown in fig. 8;

FIG. 10: the structure diagram of one embodiment of the lighting system with the multiple light sources sharing the light path is provided;

FIG. 11: the structure diagram of one embodiment of the lighting system with the multiple light sources sharing the light path is provided;

FIG. 12: the structure diagram of one embodiment of the lighting system with the multiple light sources sharing the light path is provided;

FIG. 13: the structure diagram of one embodiment of the lighting system with the multiple light sources sharing the light path is provided;

FIG. 14: the structure diagram of one embodiment of the lighting system with the multiple light sources sharing the light path is provided;

FIG. 15: the structure diagram of one embodiment of the lighting system with the multiple light sources sharing the light path is provided;

FIG. 16: the structure diagram of one embodiment of the lighting system with the multiple light sources sharing the light path is provided;

FIG. 17: the structure diagram of one embodiment of the lighting system with the multiple light sources sharing the light path is provided;

FIG. 18: the structure diagram of one embodiment of the lighting system with the multiple light sources sharing the light path is provided;

FIG. 19: the structure diagram of one embodiment of the lighting system with the multiple light sources sharing the light path is provided;

FIG. 20: the structure schematic diagram of the illumination system with multiple light sources sharing the light path is provided in one embodiment of the application when multiple groups of optical subsystems are configured;

FIG. 21: a schematic plan view of the optical system shown in fig. 20;

FIG. 22: the structure of the optical lens assembly in the present application is schematically illustrated as a first diagram;

FIG. 23: the structure of the optical lens group in the application is schematically shown as II;

FIG. 24: the structure of the optical lens group in the application is schematically illustrated as three;

FIG. 25: the structure of the optical fiber in the application is shown schematically;

FIG. 26: the structure of the total internal reflector in this application is schematically illustrated.

Detailed Description

The conception, specific structure and technical effects of the present application will be further described in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the present application.

The application provides a lighting system of many light sources common path, includes: the light source module comprises an optical system 10, at least one light source module 20 and at least one driving system 40, wherein an optical axis of the optical system 10 is coaxial with a light ray of a light emitting region 21 in one of the light source modules 20, and the driving system 40 is connected with the light source module 20 and drives the light source module 20 to move.

Further, the optical axis of the optical system 10 is coaxial with the central light ray of the light emitting region 21 in one of the light source modules 20. The central light ray of the light emitting region 21 may be understood as the maximum light intensity energy contained in a circle formed by taking a certain point on a plane where the light emitting region 21 is located as a center and taking the diameter of the optical system 10 as the diameter, such as 70%, 80%, or more than 90%. For the light emitting regions 21 arranged regularly or irregularly, the center of the circle may be on the mounting surface where the light emitting regions 21 are located, or may be on a plane other than the mounting surface where the light emitting regions 21 are located. Here, the regular light emitting regions 21 may be arranged in a rectangular array, a circular array, a triangular array, etc., and the irregular light emitting regions 21 may be arranged in an L-type, a P-type, etc., which are only examples of some regular or irregular light emitting regions 21, but do not limit the scope of the present application.

For ease of control and structural symmetry, the center of the optical system 10 is optimally located at the central ray of the central light-emitting region 21. The initial position of the present application is preferably set such that the central light ray of the middle light-emitting region 21 of the light source module 20 is coaxial with the optical system 10, and the two adjacent light-emitting regions 21 can be switched by rotating forward (backward) through a certain angle. The rotating shaft of the driving system 40 is used to move the center of the light emitting region 21 of the desired light source to the optical axis of the optical system 10.

In this embodiment, the driving system 40 is connected to the light source module 20 through a mounting plate, and drives the light source module 20 to move.

Wherein, the light source module 20 is correspondingly mounted on a heat sink in the heat dissipation system 30. The heat dissipation system 30 is disposed to prevent the light source module 20 from generating a large amount of heat during operation, thereby affecting the efficiency of the chip.

In practical implementation, the heat sink in the heat dissipation system 30 needs to be closely attached to the light source module 20 to conduct away the heat generated by the light source module 20. Of course, in order to obtain better heat dissipation effect, the heat dissipation can be accelerated by adopting an air cooling or water cooling mode.

The light source module 20 is provided with a plurality of light emitting regions 21, wherein each light emitting region 21 includes: a single LED chip, multiple LED chips, a vcsel chip, a fixed light source or an LD chip.

The drive system 40 includes a stepper motor, a servo motor, a motor and encoder, a rotary cylinder or a rotary hydraulic cylinder, although manual operation may be used.

The rotation center of the driving system 40 needs to be coaxial with the arc center of the light emitting region 21, and at this time, the driving system 40 rotates by an angle equal to the light emitting region 21, so that the rotation of the light source module 20 can be realized, and the light source switching of the light emitting region 21 is realized.

Of course, the driving system 40 may further be provided with a screw 401 and a screw sleeve 402, wherein the rotating shaft of the driving system 40 is connected to the screw 401, and the screw sleeve 402 used in cooperation with the screw 401 is connected to the heat dissipation system 30 or the mounting plate.

When the number of the lighting systems is at least two, a main driving system 40 ' is further configured, wherein a rotating shaft of the main driving system 40 ' is connected with a connecting frame 50, and at least one light source module 20 is further mounted on the connecting frame 50, so that the main driving system 40 ' drives the connecting frame 50 and the light source modules 20 mounted on the connecting frame 50 to move together; the rotating shaft of the driving system 40 is connected to the light source module 20 correspondingly disposed thereon, and the driving system 40 drives the light source module 20 correspondingly disposed thereon to move. The present application further includes a heat dissipation system 30, wherein one side of the heat dissipation system 30 is connected to the rotation shaft of the driving system 40, and the other side is connected to the light source module 20.

Of course, the heat dissipation system 30 may be replaced with a mounting plate in the present application.

The following embodiments only illustrate the case where the present application is provided with only the heat dissipation system 30 and no mounting plate, but those skilled in the art can clearly understand the embodiments of the present application in which the mounting plate is provided alone, the heat dissipation system 30 is provided alone, and the mounting plate and the heat dissipation system 30 are provided at the same time according to the above description.

Example one

As shown in fig. 1 to 3, the illumination system with multiple light sources sharing a common light path in the present embodiment includes: the light source module 20 is correspondingly mounted on a heat sink in the heat dissipation system 30, the driving system 40 is connected with the heat dissipation system 30 and drives the heat dissipation system 30 to move, so that the light source module 20 fixed on the heat sink is driven to move, the movement switching of the light emitting region 21 in the light source module 20 is further realized, and finally, the center of the light emitting region 21 of the required light source is moved to the optical axis of the optical system 10.

As shown in fig. 1, the structure shown in this embodiment is a planar rotation structure a.

In the present embodiment, the plane of the rotation center of the driving system 40 is perpendicular to the plane of the light emitting region 21.

The rotating shaft of the driving system 40 is coaxial with the center of the arc where the light emitting areas 21 are located, and the switching between two adjacent light emitting areas 21 is realized by controlling the forward rotation or the reverse rotation of the rotating shaft.

As shown in fig. 2, in the present embodiment, a plurality of the light emitting regions 21 are preferably arranged in an arc-shaped manner, wherein each box represents one light emitting region 21, and each of the light emitting regions 21 may include: one or more of a solid state light source, an LED chip, a vcsel chip, an OLED or an LD chip.

As shown in fig. 3, the radius of rotation R of the light emitting region 21, the included angle θ of the light emitting region 21, and the side length of the light emitting region 21 satisfy:

that is to say that the first and second electrodes,

wherein δ is the minimum mounting distance of the chip in the light source module 20; a. b is the side length of the adjacent light emitting region 21; r is a rotation radius of the light emitting region 21; θ is the angle of the light emitting region 21 and is the minimum rotation angle of the light source module 20. Wherein a and b may be the same or different values.

The minimum rotatable angle α of the driving system 40 and the minimum rotatable angle θ of the light source module 20 satisfy the following relation that θ equals to N · α, where N is equal to or greater than 1, and the minimum rotatable angles of the different types of driving systems 40 are also different.

Of course, in specific applications, various motion implementations may be derived by combining the structures shown in the above embodiments, and the combination disclosed above does not limit the scope of the present application.

Example two

As shown in fig. 4 to 6, the illumination system with multiple light sources sharing a common light path in the present embodiment includes: the light source module 20 is correspondingly mounted on a heat sink in the heat dissipation system 30, the driving system 40 is connected with the heat dissipation system 30 and drives the heat dissipation system 30 to move, so that the light source module 20 fixed on the heat sink is driven to move, the movement switching of the light emitting region 21 in the light source module 20 is further realized, and finally, the center of the light emitting region 21 of the required light source is moved to the optical axis of the optical system 10.

As shown in fig. 4, the structure shown in this embodiment is a roller rotation type structure B.

In the present embodiment, the plane of the rotation center of the driving system 40 is parallel to the plane of the light emitting region 21.

As shown in fig. 5, the light source module 20 or the light emitting regions 21 in the light source module 20 are uniformly arranged on the circumferential surface of the heat dissipation system 30 along the circumferential direction, wherein each square represents one light emitting region 21, and each light emitting region 21 may include: one or more of a solid state light source, an LED chip, a vcsel chip, an OLED or an LD chip.

As shown in fig. 6, the radius of rotation R of the light emitting region 21, the included angle θ of the light emitting region 21, and the side length of the light emitting region 21 satisfy:

that is to say that the first and second electrodes,

EXAMPLE III

As shown in fig. 7 to 9, the illumination system with multiple light sources sharing a common light path in the present embodiment includes: the light source module 20 is correspondingly mounted on a heat sink in the heat dissipation system 30, and the driving system 40 is connected with the heat dissipation system 30 and drives the heat dissipation system 30 to move, so as to drive the light source module 20 fixed on the heat sink to move, and further realize the movement switching of the light emitting region 21 in the light source module 20.

The structure shown in this embodiment is a translational reciprocating structure C.

In this embodiment, the driving system 40 may further include a screw 401 and a screw sleeve 402, wherein a rotation shaft of the driving system 40 is connected to the screw 401, and the screw sleeve 402 used in cooperation with the screw 401 is connected to the heat dissipation system 30. The driving system 40 drives the screw 401 to rotate, the screw sleeve 402 is in threaded fit with the screw 401 to achieve translational reciprocating motion, and the screw sleeve 402 is connected with the heat dissipation system 30 to achieve translational reciprocating motion of the heat dissipation system 30 and further achieve motion switching of the light emitting region 21 in the light source module 20.

As shown in fig. 8, in the present embodiment, the light emitting regions 21 in the light source module 20 are linearly arranged, and the central light of the light emitting regions 21 is parallel to the screw 401.

As shown in fig. 9, the minimum mounting distance δ of the chips in the light source module 20 satisfies:

that is to say that the first and second electrodes,

wherein δ is the minimum mounting distance of the chip in the light source module 20, a and b are the side lengths of the adjacent light emitting regions 21, α is the minimum angle at which the driving system 40 can rotate, and P is the pitch of the screw 401.

Of course, in a specific application, the structures shown in the third embodiment may be combined to derive various motion implementations, and the combination form disclosed above does not limit the scope of protection of the present application.

Example four

As shown in fig. 10, this embodiment is a combination of the first embodiment, that is, a combination of a planar rotary structure a (a motion mode driven by a driving system 40) and a planar rotary structure a (a motion mode driven by a main driving system 40 '), which is driven by the main driving system 40' to bring a desired planar rotary structure a to a start position via a connecting frame 50, and then the desired light-emitting region 21 is switched to a position coaxial with the optical axis of the optical system 10 by driving a driving system 40 provided inside the desired planar rotary structure a.

The lighting system with the multiple light sources sharing the optical path comprises: the light source module comprises an optical system 10, light source modules 20, a heat dissipation system 30 and a driving system 40, wherein the optical axis of the optical system 10 is coaxial with the central light ray of a light emitting region 21 in one of the light source modules 20, and the light source module 20 is correspondingly installed on a heat sink in the heat dissipation system 30; the driving system 40 is connected to the heat dissipation system 30, and drives the heat dissipation system 30 to move, so as to drive the light source module 20 fixed on the heat sink to move, thereby realizing the movement switching of the light emitting region 21 in the light source module 20, and finally moving the center of the light emitting region 21 of the required light source to the optical axis of the optical system 10.

In this embodiment, when three lighting systems are provided, then, a main driving system 40 ' is further configured in this embodiment, a rotating shaft of the main driving system 40 ' is connected to the connecting frame 50, the three heat dissipation systems 30 are further mounted on the connecting frame 50, and the main driving system 40 ' drives the connecting frame 50 and the heat dissipation system 30 mounted on the connecting frame 50 to move together, so as to drive the light source module 20 fixed to the heat sink to move, and further realize the movement switching of the light emitting region 21 in the light source module 20; the rotating shafts of the other driving systems 40 are directly connected to the corresponding heat dissipation systems 30, and the driving systems 40 drive the corresponding heat dissipation systems 30 to move, so as to drive the light source module 20 fixed on the heat sink to move, thereby realizing the movement switching of the light emitting region 21 in the light source module 20, and moving the center of the light emitting region 21 of the required light source to the optical axis of the optical system 10.

EXAMPLE five

As shown in fig. 11, this embodiment is a combination of the second embodiment, that is, a combination of a roller rotary structure B (a motion manner driven by a driving system 40) and a planar rotary structure a (a motion manner driven by a main driving system 40 '), which is driven by the main driving system 40' to drive a desired roller rotary structure B to a start position through a connecting frame 50, and then the desired light-emitting region 21 is switched to a position coaxial with the optical axis of the optical system 10 by driving a driving system 40 disposed inside the desired roller rotary structure B.

In this embodiment, when three lighting systems are provided, then, a main driving system 40 ' is further configured in this embodiment, a rotating shaft of the main driving system 40 ' is connected to the connecting frame 50, the three heat dissipation systems 30 are further mounted on the connecting frame 50, and the main driving system 40 ' drives the connecting frame 50 and the heat dissipation system 30 mounted on the connecting frame 50 to move together, so as to drive the light source module 20 fixed to the heat sink to move, and further realize the movement switching of the light emitting region 21 in the light source module 20; the rotating shafts of the other driving systems 40 are connected with the heat dissipation systems 30 correspondingly arranged thereon, and the driving systems 40 drive the heat dissipation systems 30 correspondingly arranged thereon to move, so as to drive the light source module 20 fixed on the heat sink to move, thereby realizing the movement switching of the light emitting region 21 in the light source module 20.

EXAMPLE six

As shown in fig. 12, this embodiment is a combination of the third embodiment, that is, a combination of a translational reciprocating structure C (a motion mode driven by a driving system 40) and a planar rotary structure a (a motion mode driven by a main driving system 40 '), which is driven by the main driving system 40' to drive a desired translational reciprocating structure C to be switched to a start position through a connecting frame 50, and then the desired light-emitting area 21 is switched to a position coaxial with the optical axis of the optical system 10 by driving a driving system 40 disposed inside the desired translational reciprocating structure C.

The lighting system with the multiple light sources sharing the optical path comprises: the light source module comprises an optical system 10, light source modules 20, a heat dissipation system 30 and a driving system 40, wherein the optical axis of the optical system 10 is coaxial with the central light ray of a light emitting region 21 in one of the light source modules 20, and the light source module 20 is correspondingly installed on a heat sink in the heat dissipation system 30; the driving system 40 is connected to the heat dissipation system 30 and drives the heat dissipation system 30 to move, so as to drive the light source module 20 fixed on the heat sink to move, and further realize the movement switching of the light emitting region 21 in the light source module 20.

In this embodiment, the driving system 40 is further configured with a screw 401 and a screw sleeve 402, wherein a rotation shaft of the driving system 40 is connected to the screw 401, and the screw sleeve 402 used in cooperation with the screw 401 is connected to the heat dissipation system 30. The driving system 40 drives the screw 401 to rotate, the screw sleeve 402 is in threaded fit with the screw 401 to realize translational reciprocating motion, and the screw sleeve 402 is directly connected with the heat dissipation system 30, so that translational reciprocating motion of the heat dissipation system 30 is realized, and motion switching of the light emitting region 21 in the light source module 20 is further realized.

EXAMPLE seven

As shown in fig. 13, this embodiment is a combination of the first embodiment, that is, a combination of a planar rotary structure a (a motion mode driven by a driving system 40) and a roller rotary structure B (a motion mode driven by a main driving system 40 '), which is driven by the main driving system 40' to drive a desired planar rotary structure a to be switched to a start position through a link 50, and then the desired light-emitting region 21 is switched to a position coaxial with the optical axis of the optical system 10 by driving the driving system 40 disposed inside the desired planar rotary structure a.

Example eight

As shown in fig. 14, this embodiment is a combination of the second embodiment, that is, a combination of a roller rotary structure B (a motion manner driven by a driving system 40) and a roller rotary structure B (a motion manner driven by a main driving system 40 '), which is driven by the main driving system 40' to drive a desired roller rotary structure B to switch to a start position through a connecting frame 50, and then the desired light-emitting region 21 is switched to a position coaxial with the optical axis of the optical system 10 by driving a driving system 40 disposed inside the desired roller rotary structure B.

In this embodiment, when three lighting systems are provided, then, a main driving system 40 ' is further configured in this embodiment, a rotating shaft of the main driving system 40 ' is connected to the connecting frame 50, the three heat dissipation systems 30 are further mounted on the connecting frame 50, and the main driving system 40 ' drives the connecting frame 50 and the heat dissipation system 30 mounted on the connecting frame 50 to move together, so as to drive the light source module 20 fixed to the heat sink to move, and further realize the movement switching of the light emitting region 21 in the light source module 20; the rotating shafts of the other driving systems 40 are connected to the corresponding heat dissipation systems 30, and the driving systems 40 drive the corresponding heat dissipation systems 30 to move, so as to drive the light source module 20 fixed on the heat sink to move, thereby realizing the movement switching of the light emitting region 21 in the light source module 20.

Example nine

As shown in fig. 15, this embodiment is a combination of the third embodiment, that is, a combination of a translational reciprocating structure C (a motion mode driven by a driving system 40) and a roller rotating structure B (a motion mode driven by a main driving system 40 '), which is driven by the main driving system 40' to drive a desired translational reciprocating structure C to be switched to a start position through a connecting frame 50, and then the desired light-emitting area 21 is switched to a position coaxial with the optical axis of the optical system 10 by driving a driving system 40 provided inside the desired translational reciprocating structure C.

The lighting system with the multiple light sources sharing the optical path comprises: the light source module comprises an optical system 10, light source modules 20, a heat dissipation system 30 and a driving system 40, wherein the center of the optical system 10 is coaxial with the central light ray of a light emitting region 21 in one of the light source modules 20, and the light source module 20 is correspondingly installed on a heat sink in the heat dissipation system 30; the driving system 40 is connected to the heat dissipation system 30 and drives the heat dissipation system 30 to move, so as to drive the light source module 20 fixed on the heat sink to move, and further realize the movement switching of the light emitting region 21 in the light source module 20.

Example ten

As shown in fig. 16, this embodiment is a combination of the first embodiment and the third embodiment, that is, a combination of a planar rotary structure a (a motion mode driven by a driving system 40) and a translational reciprocating structure C (a motion mode driven by a main driving system 40 '), which is driven by the main driving system 40' to bring a desired planar rotary structure a to a start position via a connecting frame 50, and then to switch a desired light-emitting area 21 to a position coaxial with an optical axis of the optical system 10 by driving a driving system 40 disposed inside the desired planar rotary structure a.

In this embodiment, when three lighting systems are provided, then, a main driving system 40 ' is further configured in this embodiment, the main driving system 40 ' is connected to the connecting frame 50, the two heat dissipation systems 30 are further mounted on the connecting frame 50, and the main driving system 40 ' drives the connecting frame 50 and the heat dissipation system 30 mounted on the connecting frame 50 to move together, so as to drive the light source module 20 fixed to the heat sink to move, and further realize the movement switching of the light emitting region 21 in the light source module 20; the rotating shafts of the other driving systems 40 are connected with the heat dissipation systems 30 correspondingly arranged thereon, and the driving systems 40 drive the heat dissipation systems 30 correspondingly arranged thereon to move, so as to drive the light source module 20 fixed on the heat sink to move, thereby realizing the movement switching of the light emitting region 21 in the light source module 20.

In this embodiment, the main driving system 40' is further provided with a screw 401 and a screw sleeve 402, wherein the rotating shaft of the driving system 40 is connected with the screw 401, and the screw sleeve 402 used in cooperation with the screw 401 is connected with the connecting frame 50. The main driving system 40' drives the screw 401 to rotate, the screw sleeve 402 is in threaded fit with the screw 401 to achieve translational reciprocating motion, and the screw sleeve 402 is connected with the connecting frame 50 to achieve translational reciprocating motion of the heat dissipation system 30 and further achieve motion switching of the light emitting region 21 in the light source module 20.

EXAMPLE eleven

As shown in fig. 17, this embodiment is a combination of the second embodiment and the third embodiment, that is, a combination of a roller rotating structure B (a moving manner driven by a driving system 40) and a translational reciprocating structure C (a moving manner driven by a main driving system 40 '), which is driven by the main driving system 40' to drive a desired roller rotating structure B to switch to a starting position through a connecting frame 50, and then driven by a driving system 40 disposed inside the desired roller rotating structure B to switch a desired light-emitting region 21 to a position coaxial with an optical axis of the optical system 10.

In this embodiment, when there is one lighting system, then, in this embodiment, a main driving system 40 ' is further configured, the main driving system 40 ' is connected to the connecting frame 50, the connecting frame 50 is further provided with the heat dissipation system 30, and the main driving system 40 ' drives the connecting frame 50 and the heat dissipation system 30 mounted on the connecting frame 50 to move together, so as to drive the light source module 20 fixed to the heat sink to move, and further realize the movement switching of the light emitting region 21 in the light source module 20; the rotating shaft of the other driving system 40 is connected to the heat dissipation system 30 correspondingly disposed thereon, and the driving system 40 drives the heat dissipation system 30 correspondingly disposed thereon to move, so as to drive the light source module 20 fixed on the heat sink to move, thereby realizing the movement switching of the light emitting region 21 in the light source module 20.

Example twelve

As shown in fig. 18, this embodiment is a combination of the third embodiment, that is, a combination of a translational reciprocating structure C (a motion mode driven by a driving system 40) and a translational reciprocating structure C (a motion mode driven by a main driving system 40 '), which is driven by the main driving system 40' to drive a desired translational reciprocating structure C to be switched to a start position through a connecting frame 50, and then the desired light-emitting area 21 is switched to a position coaxial with the optical axis of the optical system 10 by driving a driving system 40 disposed inside the desired translational reciprocating structure C.

In this embodiment, when there is one lighting system, then, in this embodiment, a main driving system 40 ' is further configured, the main driving system 40 ' is connected to the connecting frame 50, the connecting frame 50 is further provided with the heat dissipation system 30, and the main driving system 40 ' drives the connecting frame 50 and the heat dissipation system 30 mounted on the connecting frame 50 to move together, so as to drive the light source module 20 fixed on the heat sink to move, and further realize the movement switching of the light emitting region 21 in the light source module 20; the other driving system 40 is connected to the heat dissipation system 30 correspondingly disposed thereon, and the driving system 40 drives the heat dissipation system 30 correspondingly disposed thereon to move, so as to drive the light source module 20 fixed on the heat sink to move, thereby realizing the movement switching of the light emitting region 21 in the light source module 20.

In this embodiment, the main driving system 40 'is further provided with a screw 401 and a screw sleeve 402, wherein the rotating shaft of the main driving system 40' is connected with the screw 401, and the screw sleeve 402 used in cooperation with the screw 401 is connected with the connecting frame 50. The main driving system 40' drives the screw 401 to rotate, the screw sleeve 402 is in threaded fit with the screw 401 to achieve translational reciprocating motion, and the screw sleeve 402 is connected with the connecting frame 50 to achieve translational reciprocating motion of the heat dissipation system 30 and further achieve motion switching of the light emitting region 21 in the light source module 20.

Of course, in this embodiment, the driving system 40 is also configured with a screw 401 and a screw sleeve 402, wherein a rotating shaft of the driving system 40 is connected to the screw 401, and the screw sleeve 402 used in cooperation with the screw 401 is connected to the heat dissipation system 30. The driving system 40 drives the screw 401 to rotate, the screw sleeve 402 is in threaded fit with the screw 401 to achieve translational reciprocating motion, and the screw sleeve 402 is connected with the heat dissipation system 30 to achieve translational reciprocating motion of the heat dissipation system 30 and further achieve motion switching of the light emitting region 21 in the light source module 20.

EXAMPLE thirteen

As shown in fig. 19, this embodiment is a combination of the first embodiment, the second embodiment and the third embodiment, that is, a combination of a planar rotary structure a (a motion mode driven by a driving system 40), a roller rotary structure B (a motion mode driven by a driving system 40) and a translational reciprocating structure C (a motion mode driven by a main driving system 40 '), which is driven by the main driving system 40' to switch a desired planar rotary structure a or roller rotary structure B to a start position via a connecting frame 50, and then switches a desired light emitting region 21 to a position coaxial with an optical axis of the optical system 10 by driving the driving system 40 disposed inside the desired planar rotary structure a or roller rotary structure B.

In this embodiment, when there are two lighting systems, then, in this embodiment, a main driving system 40 ' is further configured, the main driving system 40 ' is connected to the connecting frame 50, the connecting frame 50 is further provided with the heat dissipation system 30, and the main driving system 40 ' drives the connecting frame 50 and the heat dissipation system 30 mounted on the connecting frame 50 to move together, so as to drive the light source module 20 fixed on the heat sink to move, and further realize the movement switching of the light emitting region 21 in the light source module 20; the other driving systems 40 are connected with the heat dissipation systems 30 correspondingly arranged thereon, and the driving systems 40 drive the heat dissipation systems 30 correspondingly arranged thereon to move, so as to drive the light source module 20 fixed on the heat sink to move, thereby realizing the movement switching of the light emitting region 21 in the light source module 20.

Of course, in specific applications, various motion implementations may be derived by combining the structures shown in the first embodiment, and the combination disclosed above does not limit the scope of protection of the present application.

As shown in fig. 20, a basic implementation form of the present application is combined with a schematic diagram of a multi-group optical system. The optical system is configured with an optical system 10 having a plurality of optical subsystems, wherein the optical system 10 is mounted on an optical system base 11, and a planar rotating structure a is used as a basic structure (of course, a roller rotating structure B, a translational reciprocating structure C, or a combination of these three basic structures). The rotating shaft of the power rotating device 60 is connected to the center of the optical system base 11, and the center of the light emitting region 21 of the required light source can be moved to the optical axis of the required optical subsystem by the power of the power rotating device 60.

As a further improvement, the center of one of the optical subsystems is arranged coaxially with the central ray of the light-emitting region 21, the centers of a plurality of the optical subsystems are located on the same circumference, and a power rotating device 60 is further arranged at the center of the optical system 10.

As shown in fig. 21, the present application discloses only an embodiment using 4 optical subsystems 101/102/103/104, and of course, the number of the optical subsystems is not limited to the protection scope of the present application.

For example, the optical subsystem 101 is initially and default to be coaxial with the central light ray of the light emitting region 21, and the centers of the optical subsystem 102, the optical subsystem 103, and the optical subsystem 104 are on the same circumference as the optical subsystem 101, and can be switched by rotating the power rotating device 60 at the center of the circumference.

Of course, the optical system 10 can be rotated by mechanical switching, such as electric, manual, pneumatic, and hydraulic switching.

In the present embodiment, the optical system 10 includes: an optical lens group (as shown in fig. 22-24), an optical fiber (as shown in fig. 25), and a total internal reflector (as shown in fig. 26).

The optical lens group may be a lens combination (as shown in fig. 22), a focusing lens combination (as shown in fig. 23) or a TIR lens (as shown in fig. 24), and this embodiment merely illustrates the above specific optical lens combination, but is not limited to the above specific structure, and the embodiment does not limit the scope of the present application.

In specific implementation, three or more basic structures (the basic structures shown in the plane rotary structure a, the roller rotary structure B and the translation reciprocating structure C) are combined to derive a lighting device with more complex structures, of course, the combined structures may be the same basic structure or different basic structures, and the combination form disclosed above does not limit the protection scope of the present application.

The above embodiments are merely to illustrate the technical solutions of the present application and are not limitative, and the present application is described in detail with reference to preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made in the present invention without departing from the spirit and scope of the present invention and shall be covered by the appended claims.

Claims

1. A lighting system with multiple light sources sharing a light path, characterized in that,

The lighting system includes: an optical system, at least one light source module and at least one driving system, the optical axis of the optical system is coaxial with the light of the light emitting area in one of the light source modules, and the driving system and the The light source module is connected and drives the light source module to move.

2 . The lighting system according to claim 1 , wherein the optical axis of the optical system is coaxial with the central light ray of the light-emitting area in one of the light source modules. 3 .

3 . The lighting system according to claim 1 , wherein the driving system is connected to the light source module through a mounting plate, and drives the light source module to move. 4 .

4 . The lighting system according to claim 1 , wherein the plane where the rotation center of the driving system is located is perpendicular to the plane where the light-emitting area is located. 5 .

5 . The lighting system according to claim 2 , wherein a plurality of the light-emitting areas are arranged in an arc shape. 6 .

6. The lighting system according to claim 1, 2 or 3, characterized in that,

The rotation radius R of the light-emitting area, the included angle θ of the light-emitting area, and the side length of the light-emitting area satisfy:

which is,

Among them, δ is the minimum installation distance of the chip in the light source module; a and b are the side lengths of the adjacent light-emitting areas; R is the rotation radius of the light-emitting area; θ is the included angle of the light-emitting area, which is also the Minimum rotation angle.

7 . The lighting system according to claim 3 , wherein the light source module or the light-emitting area in the light source module is circumferentially arranged on the circumferential surface of the mounting plate. 8 .

8 . The lighting system according to claim 1 , wherein the plane where the rotation center of the driving system is located is arranged in parallel with the plane where the light-emitting area is located. 9 .

9. The lighting system according to claim 1 or 7 or 8, characterized in that,

which is,

10 . The lighting system according to claim 9 , wherein the minimum angle α that the driving system can rotate and the minimum rotation angle θ of the light source module satisfy: θ=N·α, where N≥1 .

11. The lighting system according to claim 1 or 2 or 3 or 4 or 5 or 7 or 8, wherein the drive system comprises: a stepping motor, a servo motor, a motor and an encoder, a rotary cylinder or a rotary hydraulic cylinder.

12. The lighting system according to claim 1, wherein the driving system is further configured with a screw rod and a screw sleeve, wherein the rotating shaft of the driving system is connected with the screw rod, and the screw rod is used in cooperation with the screw rod. The screw sleeve is connected with the cooling system.

13 . The lighting system according to claim 12 , wherein the light-emitting areas in one of the light source modules are linearly arranged, and the central light ray of the light-emitting area is arranged in parallel with the screw rod. 14 .

14. The lighting system according to claim 12 or 13, wherein the minimum installation distance δ of the chips in the light source module satisfies:

which is,

Among them, δ is the minimum installation distance of the chip in the light source module, a and b are the side lengths of the adjacent light-emitting areas, α is the minimum angle at which the driving system can rotate, and P is the pitch of the screw.

15. The lighting system according to claim 1 or 2 or 3 or 4 or 5 or 7 or 8 or 12 or 13, wherein when the number of lighting systems is at least two, a main driver is also configured system, wherein the rotating shaft of the main drive system is connected with a connecting frame, and at least one of the light source modules is also installed on the connecting frame; Group connection.

16. The lighting system according to claim 1 or 2 or 3 or 4 or 5 or 7 or 8 or 12 or 13, further comprising a heat dissipation system, one side of the heat dissipation system is connected to the drive system The other side is connected with the light source module; or, the heat dissipation system is replaced with a mounting plate.

17 . The lighting system according to claim 16 , wherein the light source module is correspondingly installed on a heat sink in the heat dissipation system. 18 .

18. The lighting system according to claim 1 or 2 or 3 or 4 or 5 or 7 or 8 or 12 or 13, wherein each of the light-emitting areas comprises: a solid state light source, an LED chip, a vcsel chip, an OLED Or one or more combinations of LD chips.

19. The illumination system according to claim 1 or 2 or 3 or 4 or 5 or 7 or 8 or 12 or 13, wherein the optical system is configured with a plurality of optical sub-systems, wherein one of the optical sub-systems The center of the system is arranged coaxially with the center of the light-emitting area, and the centers of the plurality of optical subsystems are located on the same circumference.

20 . The lighting system according to claim 19 , wherein a power rotating device is further configured at a central position of the optical system. 21 .