CN216431624U - Switchable light source device and light source system - Google Patents

Abstract

The utility model relates to a changeable light source device and light source system, changeable light source device includes: the LED lamp comprises at least two light-emitting mechanisms with different light effects and a reflecting mechanism which is arranged between two adjacent or opposite light-emitting mechanisms and is movably arranged, wherein the reflecting mechanism comprises a first state and a second state, and when the reflecting mechanism is in the first state, light beams of at least one light-emitting mechanism are emitted along a preset light-emitting direction; when the reflection mechanism is in the second state, at least guiding the light beam of the other light-emitting mechanism to the preset light-emitting direction. The utility model discloses set up the different light emitting mechanism of two at least light efficiencies to can send the light efficiency of two at least differences, and the utility model discloses a set up movable reflection mechanism between adjacent or relative light emitting mechanism for the light beam that reflection guide light emitting mechanism sent, and the light-emitting direction that makes the light emitting mechanism who is guided is unanimous with predetermined light-emitting direction, thereby realizes the switching of different light efficiencies most.

Description

Switchable light source device and light source system

Technical Field

The utility model relates to an optics technical field, more specifically relates to a changeable light source device and light source system.

Background

The LED light source is widely applied to various illumination fields, wherein the high-power LED light source consists of a substrate, an LED light-emitting unit, a collimation/light-receiving structure, a light-homogenizing structure, a converging lens and a shell. The LED light-emitting units correspond to the collimating/light-receiving structures one by one, and light emitted by the LED light-emitting units is collimated and then imaged to a focus through the converging lens. The light emitting effect of the light source is single, different light effects cannot be achieved generally, if the light effects need to be changed, the whole light source module needs to be replaced or two or more lamps need to be prepared for alternative use, time and labor are consumed, the cost is high, and the current requirements cannot be met well.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming above-mentioned prior art's at least one defect (not enough), provide a changeable light source device and light source system for it is comparatively single to solve current LED light source luminous effect, can't realize different light efficiencies usually, if need change the light efficiency, then need to change whole light source module or prepare two kinds or more than lamps and lanterns alternative use, consuming time power, and the cost is higher, can't satisfy the problem of current demand betterly.

The utility model adopts the following technical scheme:

a switchable light source device is used for emitting light to a convergent lens and comprises at least two light-emitting mechanisms with different light effects and a reflecting mechanism which is movably arranged between two adjacent or opposite light-emitting mechanisms; the reflecting mechanism comprises a first state and a second state, and when the reflecting mechanism is in the first state, the light beam of at least one light-emitting mechanism is emitted along a preset light-emitting direction; when the reflection mechanism is in the second state, at least guiding the light beam of the other light-emitting mechanism to the preset light-emitting direction.

In one embodiment, the at least two light emitting mechanisms comprise: the central light-emitting mechanism and the at least one side light-emitting mechanism are arranged on the side edge of the central light-emitting mechanism; the reflecting mechanism is movably arranged between the central light-emitting mechanism and the side light-emitting mechanism; the luminous efficiency of at least one side light-emitting mechanism is different from that of the central light-emitting mechanism; the reflecting mechanism comprises a first state and a second state, and when the reflecting mechanism is in the first state, the reflecting mechanism is not positioned on the light path of the central light-emitting mechanism; when the reflecting mechanism is in the second state, the reflecting surface of the reflecting mechanism and the corresponding lateral light-emitting mechanism are arranged at an included angle and are positioned on the light path of the corresponding lateral light-emitting mechanism, and the light-emitting light path of the corresponding lateral light-emitting mechanism is overlapped with the light-emitting light path of the central light-emitting mechanism or partially overlapped with the central light-emitting mechanism of the central light-emitting mechanism.

In one embodiment, the included angle between the reflecting surface of the reflecting mechanism and the corresponding side light-emitting mechanism is 45 degrees.

In one embodiment, the reflecting mechanism comprises a reflecting mirror and a driving piece for driving the reflecting mirror to rotate, and the rotating shaft of the reflecting mirror is parallel to the central light-emitting mechanism and the side light-emitting mechanisms.

In one embodiment, the mirror is a total reflection mirror or a partially reflective mirror; or the reflecting mirror is a total reflection mirror or a dichroic mirror.

In one embodiment, the device further comprises a limiting block for limiting the rotation angle of the reflector.

In one embodiment, the mirror device further comprises a guide member for guiding the rotation of the mirror and smoothing the rotation of the mirror.

In one embodiment, the side emitting means is arranged perpendicular to the central emitting means.

In one embodiment, the side light emitting mechanism comprises a first side light emitting mechanism and a second side light emitting mechanism located on two opposite sides of the central light emitting mechanism, and the reflecting mechanism comprises a first reflecting mechanism located between the central light emitting mechanism and the first side light emitting mechanism, and a second reflecting mechanism located between the central light emitting mechanism and the second side light emitting mechanism.

In one embodiment, the light emitting mechanism comprises a light source board and a collimating structure for collimating and/or collecting light beams emitted by the light source board.

The technical scheme also provides a light source system, which comprises the switchable light source device, a light homogenizing device and a converging lens, wherein the light homogenizing device and the converging lens are arranged on a light outlet path of the central light-emitting mechanism, and the light homogenizing device is arranged between the central light-emitting mechanism and the converging lens.

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

this technical scheme is through setting up the luminous mechanism that two at least light efficiencies are different to make changeable light source device can send two at least different light efficiencies, and this technical scheme is through setting up movable reflection mechanism between adjacent or relative luminous mechanism, be used for the light beam that reflection guide luminous mechanism sent, and make the light-emitting direction of the luminous mechanism who is guided unanimous with predetermined light-emitting direction, thereby finally through setting up the light-emitting device light-emitting in predetermined light-emitting direction, realize the switching of different light efficiencies.

Drawings

Fig. 1 is a schematic structural diagram of a light source system according to the present invention.

Fig. 2 is a schematic view of the internal structure of fig. 1.

Fig. 3 is a schematic structural diagram of a light source system according to the present invention.

Fig. 4 is a sectional view of a-a of fig. 3 showing a first usage state.

Fig. 5 is a sectional view of the second usage state from a-a of fig. 3.

Fig. 6 is a third schematic sectional view of the state of use from a-a of fig. 3.

Reference numerals: 10. a central light emitting mechanism; 11. a light source plate; 12. a collimating structure; 20. a side light emitting mechanism; 21. a first side light-emitting mechanism; 22. a second side light-emitting mechanism; 30. a reflection mechanism; 31. a mirror; 32. a drive member; 33. a guide bar; 34. a first reflecting mechanism; 35. a second reflecting mechanism; 40. a limiting block; 41. a first limiting part; 42. a second limiting part; 50. a guide member; 60. a light uniformizing device; 70. a converging lens.

Detailed Description

The drawings of the present invention are for illustration purposes only and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The switchable light source device of the embodiment is used for emitting light to the convergent lens, and comprises at least two light-emitting mechanisms with different light effects and a reflecting mechanism which is movably arranged between two adjacent or opposite light-emitting mechanisms; the reflecting mechanism comprises a first state and a second state, and when the reflecting mechanism is in the first state, the light beam of at least one light-emitting mechanism is emitted along a preset light-emitting direction; when the reflection mechanism is in the second state, at least guiding the light beam of the other light-emitting mechanism to the preset light-emitting direction.

Specifically, the light beam of the at least one light-emitting mechanism is emitted along a preset light-emitting direction, which includes two conditions, wherein the light beam of the at least one light-emitting mechanism is directly emitted along a preset light-emitting method, and the light beam of the at least one light-emitting mechanism is reflected by the reflecting mechanism and then emitted along the preset light-emitting method.

This embodiment is through setting up the luminous mechanism that two at least light efficiencies are different to make changeable light source device can send two at least different light efficiencies, and this embodiment is through the reflection mechanism that just activity set up between adjacent or relative luminous mechanism, be used for the light beam that at least one luminous mechanism of reflection guide sent, and make the light-emitting direction of the luminous mechanism who is guided unanimous with predetermined light-emitting direction, thereby finally through setting up the convergent lens light-emitting in predetermined light-emitting direction, realize the switching of different light efficiencies.

In the present embodiment, for example, the at least two light emitting mechanisms include a central light emitting mechanism 10 and at least one side light emitting mechanism 20, and the predetermined direction is a direction toward the converging lens. In other embodiments, the at least two light emitting means may comprise only side light emitting means arranged adjacently or oppositely, and not central light emitting means.

A switchable light source device as shown in fig. 1-3, for emitting light to a converging lens, comprising: the light source comprises a central light-emitting mechanism 10, at least one side light-emitting mechanism 20 arranged on the side of the central light-emitting mechanism 10, and a reflecting mechanism 30 movably arranged between the central light-emitting mechanism 10 and the side light-emitting mechanism 20; the light efficiency of the at least one side light emitting means 20 is different from the light efficiency of the central light emitting means 10; the reflection mechanism 30 includes a first state and a second state, when the reflection mechanism 30 is in the first state, the reflection mechanism 30 is not located on the optical path of the central light-emitting mechanism 10 (where the reflection mechanism 30 is not located on the optical path of the central light-emitting mechanism 10 means that the reflection mechanism 30 is offset from the optical path of the central light-emitting mechanism 10 when in the first state); when the reflection mechanism 30 is in the second state, the reflection surface of the reflection mechanism 30 forms an included angle with the corresponding lateral light-emitting mechanism 20, and is located on the light path of the corresponding lateral light-emitting mechanism 20, and the light-emitting light path of the corresponding lateral light-emitting mechanism 20 coincides with the light-emitting light path of the central light-emitting mechanism 10 or partially coincides with the light-emitting light path of the central light-emitting mechanism.

This embodiment is through setting up the different lateral part luminescence mechanism 20 of at least one luminous light efficiency and central luminescence mechanism 10, thereby make the changeable light source device can send two kinds of different light efficiencies at least, and this embodiment sets up reflection mechanism 30 through at central luminescence mechanism 10 and lateral part luminescence mechanism 20, be used for the light beam that reflection lateral part luminescence mechanism 20 sent, and make the light-emitting light path of corresponding lateral part luminescence mechanism 20 and the light-emitting light path coincidence or the partial coincidence of central luminescence mechanism 10, thereby finally through the convergent lens light-emitting that sets up on the light-emitting light path of central luminescence mechanism 10, realize the switching of different light efficiencies.

Specifically, when the reflection mechanism 30 is in the first state, the central light-emitting mechanism 10 is activated, and the reflection mechanism 30 is not located on the light path of the central light-emitting mechanism 10, that is, the reflection mechanism 30 does not block or reflect the light beam of the central light-emitting mechanism 10, at this time, the switchable light source device emits the first light effect. When the reflection mechanism 30 is in the second state, the central light emitting mechanism 10 is turned off, the side light emitting mechanisms 20 are turned on, and light beams of the side light emitting mechanisms 20 are reflected by the reflection mechanism 30 and then emit a second light effect from the converging lens. In addition, if the reflection mechanism 30 selects a mechanism capable of realizing partial reflection, when the reflection mechanism 30 is in the second state, the central light-emitting mechanism 10 and the side light-emitting mechanism 20 can be simultaneously turned on, and the light beam that is not reflected by the central light-emitting mechanism 10 can exit through the reflection mechanism 30 and be combined with the light beam of the side light-emitting mechanism 20, so that a third light effect is emitted.

The side light emitting mechanisms 20 of the present embodiment are disposed perpendicular to the central light emitting mechanism 10, so as to facilitate assembly.

Further, when the reflection mechanism 30 is in the second state, the included angle between the reflection surface of the reflection mechanism 30 and the corresponding side light-emitting mechanism 20 is 45 degrees, so that when the light beam of the side light-emitting mechanism 20 is incident to the reflection surface, the light beam is reflected in a direction perpendicular to the light-emitting surface of the center light-emitting mechanism 10, that is, the light path of the center light-emitting mechanism 10 is overlapped or partially overlapped.

Specifically, the reflection mechanism 30 of the present embodiment includes a reflector 31 and a driving member 32 for driving the reflector 31 to rotate, and a rotation axis of the reflector 31 is parallel to both the central light-emitting mechanism 10 and the side light-emitting mechanisms 20. The reflecting mirror 31 is the above reflecting surface, the driving member 32 is a driving motor, a rotating shaft of the driving motor is a rotating shaft of the reflecting mirror 31, and the rotating shaft is parallel to both the central light-emitting mechanism 10 and the side light-emitting mechanism 20, so that when the reflecting mirror 31 is in the first state, the reflecting mirror 31 is perpendicular to the central light-emitting mechanism 10, and when the reflecting mirror 31 is in the second state, an included angle between the reflecting mirror 31 and the central light-emitting mechanism 10 is 45 degrees. The rotation shaft of the present embodiment is provided at or near the angle between the center light emitting means 10 and the side light emitting means 20.

The reflecting mirror 31 of the present embodiment is a total reflection mirror 31 or a partial reflection mirror 31; alternatively, the reflecting mirror 31 is a total reflection mirror 31 or a dichroic mirror.

The present embodiment further includes a stopper 40 for limiting the rotation angle of the reflecting mirror 31. For limiting the mirror 31 to be in the first state or the second state, that is, the limiting block 40 makes the maximum rotation angle of the mirror 31 be 45 degrees.

In addition, the present embodiment further includes a guide 50 for guiding the rotation of the reflecting mirror 31 and smoothing the rotation of the reflecting mirror 31. The guide 50 may be a guide groove formed in the housing of the switchable light source device, the end of the reflector 31 is provided with a guide bar 33 matched with the guide groove, and the track of the guide groove is matched with the motion track of the guide bar 33.

Specifically, as shown in fig. 4 to 6, the number of the side light-emitting mechanisms 20 of the present embodiment is two, that is, the side light-emitting mechanisms 20 include a first side light-emitting mechanism 21 and a second side light-emitting mechanism 22 located on two opposite sides of the central light-emitting mechanism 10, and the first side light-emitting mechanism 21, the second side light-emitting mechanism 22 and the central light-emitting mechanism 10 have different light effects from each other in the present embodiment. The number of reflecting means 30 matches the number of side light emitting means 20, i.e. said reflecting means 30 comprises a first reflecting means 34 between the central light emitting means 10 and the first side light emitting means 21 and a second reflecting means 35 between the central light emitting means 10 and the second side light emitting means 22. So that when the reflecting surfaces of the first reflecting means 34 and the second reflecting means 35 are both perpendicular to the central light emitting means 10, the central light emitting means 10 is activated and emits a first light effect, as shown in fig. 4; when the included angle between the reflection surface of the first reflection mechanism 34 and the central light-emitting mechanism 10 is 45 degrees, the first side light-emitting mechanism 21 is started and emits the second light effect, as shown in fig. 5; when the angle between the reflection surface of the second reflection mechanism 35 and the central light emitting mechanism 10 is 45 degrees, the second side light emitting mechanism 22 is activated to emit a third light effect, as shown in fig. 6.

Therefore, in the present embodiment, in order to enable the stopper 40 to simultaneously limit the first side light-emitting mechanism 21 and the second side light-emitting mechanism 22, the stopper 40 includes a first limiting portion 41 and a second limiting portion 42, when the reflective surface of the first reflective mechanism 34 abuts against the first limiting portion 41, the reflective surface of the first reflective mechanism 34 is just perpendicular to the central light-emitting mechanism 10, and when the reflective surface of the second reflective mechanism 35 abuts against the second limiting portion 42, the reflective surface of the second reflective mechanism 35 is just perpendicular to the central light-emitting mechanism 10. And the limit block 40 of the present embodiment satisfies that when the first reflection mechanism 34 rotates and tilts, the maximum tilt angle is just that the top end of the first reflection mechanism 34 contacts with the second reflection mechanism 35, and at this moment, the maximum tilt angle is just 45 degrees. Similarly, the maximum angle of inclination of the second reflecting mechanism 35 is also 45 degrees.

Specifically, in order to facilitate installation, the limiting block 40 of the present embodiment is shaped like a "u".

Since the reflecting mirror 31 of the reflecting mechanism 30 may be a total reflecting mirror or a partially reflecting mirror, different effects can be achieved by adjusting the light efficiency ratio between the light emitting mechanisms.

In the present embodiment, the reflecting mirror 31 is a dichroic mirror (which is a kind of partial reflection type reflecting mirror) as an example, and the central light-emitting mechanism 10 emits white light (mixed light of blue light and yellow light, which is realized by adding yellow powder to a blue light chip), the first side light-emitting mechanism 21 emits blue light (realized by a blue light chip), the second side light-emitting device emits pink light (mixed light of blue light and red light, which is realized by a blue light chip and red powder), and meanwhile, the reflecting mirror 31 of the first reflecting mechanism 34 is a reverse blue dichroic mirror, and the reflecting mirror 31 of the second reflecting mechanism 35 is a reverse blue and red dichroic mirror.

When the central light-emitting mechanism 10 and the first side light-emitting mechanism 21 are turned on, and the included angles between the reflector 31 of the first reflection mechanism 34 and the central light-emitting mechanism 10 and the first side light-emitting mechanism 21 are both 45 degrees, the blue light of the first side light-emitting mechanism 21 and the yellow light of the central light-emitting mechanism 10 are emitted after being reflected by the anti-blue dichroic mirror, and compared with the white light emitted by the central light-emitting mechanism 10, the proportion of the blue light and the yellow light of the emission mode is adjustable, that is, the intensity of the blue light can be adjusted by adjusting the number of blue light chips of the first side light-emitting mechanism 21, so that the white light with adjustable color temperature can be realized. Similarly, when the central light-emitting mechanism 10 and the second side light-emitting mechanism 22 are turned on, and the included angles between the reflector 31 of the second reflection mechanism 35 and the central light-emitting mechanism 10 and the second side light-emitting mechanism 22 are both 45 degrees, the mixed light of the yellow light of the central light-emitting mechanism 10, the blue light and the red light of the second side light-emitting mechanism 22 is emitted, and white light with high color rendering index can be obtained.

In other embodiments, other light effects and dichroic mirrors can be further arranged, and different light-adjustable effects can be realized.

The central light-emitting mechanism 10 and the side light-emitting mechanisms 20 of the present embodiment each include a light source board 11, and a collimating structure 12 for collimating and/or collecting light beams emitted from the light source board 11. The light source plate 11 comprises a substrate and LED chips arranged on the substrate, the LED chips in the embodiment are arranged into an LED array, and the collimating structure 12 is a collimating lens and is arranged on a light path of the light source plate 11.

This embodiment further provides a light source system, which includes the switchable light source device as described in any one of the above embodiments, and a light uniformizing device 60 disposed on the light emitting path of the central light-emitting mechanism 10, wherein the light uniformizing device 60 is disposed between the central light-emitting mechanism 10 and the converging lens 70. After the side light emitting means 20 is reflected by the reflection means 30, the light beam thereof is overlapped or partially overlapped with the light emitting path of the center light emitting means 10, so that the light can be emitted through the light uniformizing device 60 and the converging lens 70. After the light beam emitted from the light source plate 11 passes through the collimating lens, the light beam can be folded and collimated, and collimated into parallel light or near parallel light, and then homogenized by the light homogenizing device 60, and finally emitted through the converging lens 70.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not limitations to the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (11)

1. A switchable light source device is used for emitting light to a convergent lens and is characterized by comprising at least two light-emitting mechanisms with different light effects and a reflecting mechanism which is movably arranged between two adjacent or opposite light-emitting mechanisms; the reflecting mechanism comprises a first state and a second state, and when the reflecting mechanism is in the first state, the light beam of at least one light-emitting mechanism is emitted along a preset light-emitting direction; when the reflection mechanism is in the second state, at least guiding the light beam of the other light-emitting mechanism to the preset light-emitting direction.

2. The switchable light source device of claim 1, wherein the at least two light emitting mechanisms comprise: the central light-emitting mechanism directly emits light towards the convergent lens, and the at least one side light-emitting mechanism is arranged on the side edge of the central light-emitting mechanism; the reflecting mechanism is movably arranged between the central light-emitting mechanism and the side light-emitting mechanism; the light effect of at least one side light-emitting mechanism is different from that of the central light-emitting mechanism; the reflecting mechanism comprises a first state and a second state, and when the reflecting mechanism is in the first state, the reflecting mechanism is not positioned on the light path of the central light-emitting mechanism; when the reflecting mechanism is in the second state, the reflecting surface of the reflecting mechanism and the corresponding lateral light-emitting mechanism are arranged at an included angle and are positioned on the light path of the corresponding lateral light-emitting mechanism, and the light-emitting light path of the corresponding lateral light-emitting mechanism is overlapped or partially overlapped with the light-emitting light path of the central light-emitting mechanism.

3. A switchable light source device according to claim 2, wherein the reflecting surface of the reflecting means is angled at 45 degrees to the respective side emitting means.

4. The switchable light source device of claim 2, wherein the reflector comprises a reflector and a driving member for driving the reflector to rotate, and the rotation axis of the reflector is parallel to the central light-emitting mechanism and the side light-emitting mechanisms.

5. The switchable light source device of claim 4, wherein the mirror is a total or partially reflective mirror; or the reflecting mirror is a total reflection mirror or a dichroic mirror.

6. The switchable light source device of claim 4, further comprising a limiting block for limiting the rotation angle of the reflector.

7. The switchable light source device of claim 4, further comprising a guide to guide and smooth the rotation of the reflector.

8. The switchable light source device of claim 2, wherein the side emitting means are arranged perpendicular to the central emitting means.

9. The switchable light source device of claim 8, wherein said side emitting means comprises first and second side emitting means located on opposite sides of the central emitting means, and said reflecting means comprises first reflecting means located between the central emitting means and the first side emitting means and second reflecting means located between the central emitting means and the second side emitting means.

10. The switchable light source device of any of claims 1 to 9, wherein said light emitting mechanism comprises a light source panel and a collimating structure for collimating and/or collecting light beams emitted by the light source panel.

11. A light source system comprising a switchable light source arrangement as claimed in any one of claims 2 to 10, and a light unifying means and a converging lens arranged in a predetermined light exit direction of the central light emitting structure, the light unifying means being arranged between the central light emitting structure and the converging lens.

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