CN112728430B

CN112728430B - Lamp for outputting white light based on blue laser excitation fluorescent powder

Info

Publication number: CN112728430B
Application number: CN202110093923.6A
Authority: CN
Inventors: 梁泽甫
Original assignee: Guangdong Batong Laser Equipment Co ltd
Current assignee: Guangdong Batong Laser Equipment Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2022-09-09
Anticipated expiration: 2041-01-25
Also published as: CN112728430A

Abstract

The invention relates to the technical field of lamps and discloses a lamp for outputting white light based on blue laser excited fluorescent powder, which comprises an installation plate, wherein the upper surface of the installation plate is respectively and fixedly connected with a collimation bracket, a first lens bracket and a deceleration motor base, the deceleration motor base is positioned on the left side of the collimation bracket, the first lens bracket is positioned between the deceleration motor base and the collimation bracket, the surface of the collimation bracket is provided with a light source conversion mechanism, and the surface of the deceleration motor base is provided with a reflection mechanism. This lamps and lanterns based on blue laser arouses phosphor powder output white light can convert blue laser into white light to throw away via different routes, make laser source's application can adapt to market demand more, and be favorable to follow-up structure to disperse the light beam more, through reflection mechanism, can throw the light beam of coming with different routes, reflect from more different angles.

Description

Lamp for outputting white light based on blue laser excitation fluorescent powder

Technical Field

The invention relates to the technical field of lamps, in particular to a lamp for outputting white light based on blue laser excitation fluorescent powder.

Background

At present, the lighting light source is mainly divided into a heat radiation light source, a gas discharge light source and a semiconductor light source, wherein the heat radiation light source is manufactured by utilizing the radiation luminescence principle when an object is electrified and heated to a high temperature, and mainly represents an incandescent lamp, a halogen tungsten lamp and the like, and the light source has the defects of large heat radiation capacity, low luminous efficiency and short service life; the gas discharge light source is made by utilizing the principle that light is emitted when current passes through gas, and mainly represents neon lamps, arc lamps, high-pressure mercury lamps and the like, and the light sources generally have the defects of preheating, cooling, troublesome use, poor color rendering property and the like; the semiconductor light source is mainly an LED, and is a solid semiconductor device capable of directly converting electric energy into visible light, the LED and the like are widely applied, but the defects of low luminous efficiency, difficulty in improving brightness, difficulty in radiating and the like still exist, and at present, the light source which has five advantages of high brightness, good color, low energy consumption, long service life and small size is only laser.

However, the lamps using laser as light source are mainly applied to the spotlight type illuminating lamps such as stage lamps and searchlights, but the divergence and wider application of the laser light source still have great disadvantages and market vacancy. Therefore, a lamp based on blue laser excited fluorescent powder to output white light is provided to solve the above-mentioned problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a lamp for outputting white light based on blue laser excitation fluorescent powder, which solves the problem of laser illumination beam concentration.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a lamps and lanterns based on blue laser arouses phosphor powder output white light, includes the mounting panel, the upper surface of mounting panel is fixedly connected with collimation support, first lens support and gear motor cabinet respectively, the gear motor cabinet is located the left side of collimation support, first lens support is located between gear motor cabinet and the collimation support, the surface of collimation support is provided with light source conversion mechanism, the surface of gear motor cabinet is provided with reflection mechanism, the surperficial threaded connection of first lens support has pan head cross screw, the right side fixed mounting of pan head cross screw and first plano-convex lens is passed through in the left side of first lens support.

The light source conversion mechanism comprises a screw, the surface of the screw is in threaded connection with the inside of the collimating support, the left end of the screw penetrates through the inside of the collimating support and is fixedly mounted on the right side of the collimating mirror base, and a conversion device is arranged on the inner wall of the collimating mirror base.

The surface threaded connection of collimating lens seat has self-tapping screw, the surface of collimating lens seat passes through self-tapping screw and the inner wall fixed mounting of trapezoidal circumference lens seat, the inner wall fixedly connected with second lens support of trapezoidal circumference lens seat, the inner wall fixedly connected with second plano-convex lens of second lens support, the inner wall fixedly connected with trapezoidal speculum of trapezoidal circumference lens seat.

The conversion device comprises a lens seat, a biconvex lens seat, a diffusion sheet seat and a fluorescent sheet seat, wherein the surfaces of the lens seat, the biconvex lens seat, the diffusion sheet seat and the fluorescent sheet seat are fixedly connected with the inner wall of the collimating lens seat, the biconvex lens seat is positioned on the left side of the lens seat, the diffusion sheet seat is positioned on the left side of the biconvex lens seat, and the fluorescent sheet seat is positioned on the left side of the diffusion sheet seat.

The inner wall of the lens base is fixedly connected with a blue light laser diode and a third flat convex lens respectively, the third flat convex lens is positioned on the left side of the blue light laser diode, and the surface of the blue light laser diode is fixedly connected with the inner wall of the collimating lens base.

The inner wall of the biconvex lens seat is fixedly connected with a biconvex lens, the inner wall of the diffusion sheet seat is fixedly connected with a diffusion sheet, the inner wall of the fluorescence sheet seat is respectively and fixedly connected with a transmission type fluorescence sheet and a diaphragm, and the diaphragm is positioned on the left side of the transmission type fluorescence sheet.

The reflecting mechanism comprises a stepping speed reducing motor, the surface of the stepping speed reducing motor is fixedly connected with the surface of a speed reducing motor seat, the output end of the stepping speed reducing motor is fixedly connected with an arc array lens seat, and the surface of the arc array lens seat is fixedly connected with a full-reflection array lens.

Preferably, the total anti-array lens number is 88 pieces, and each piece of total anti-array lens has a size of 5mm 1 mm.

(III) advantageous effects

Compared with the prior art, the invention provides a lamp for outputting white light based on blue laser excitation fluorescent powder, which has the following beneficial effects:

(1) this lamps and lanterns based on blue laser arouses phosphor powder output white light can turn into blue laser white light to throw away via different routes, make laser source's application can adapt to market demand more, and be favorable to follow-up structure to disperse the light beam more, through reflection mechanism, can throw the light beam of coming with different routes, reflect from more different angles, thereby realized the divergence to the light beam, make laser source can be better be applied to the market.

(2) This lamps and lanterns based on blue laser arouses phosphor powder output white light can change the direction of motion of light beam for the light beam diverges or focuses on as required, through the transmission-type fluorescence piece among the conversion equipment, can turn into laser white light, so that subsequent use can change the direction of motion of light beam through setting up trapezoidal circumference lens.

Drawings

FIG. 1 is a schematic view of an overall structure of a lamp for outputting white light based on blue laser excited phosphor in accordance with the present invention;

FIG. 2 is a schematic diagram of a reflection mechanism in a lamp for outputting white light based on blue laser excited fluorescent powder according to the present invention;

FIG. 3 is a cross-sectional view of a light source conversion mechanism in a lamp for outputting white light based on blue laser excited phosphor;

fig. 4 is a cross-sectional view of a conversion device in a lamp for outputting white light based on blue laser excited fluorescent powder according to the present invention.

In the figure: 1. mounting a plate; 2. a collimating holder; 3. a first lens holder; 4. a deceleration motor base; 5. a light source conversion mechanism; 51. a screw; 52. a collimating lens base; 53. a screw; 54. a trapezoidal circumferential lens mount; 55. a second lens holder; 56. a second plano-convex lens; 57. a trapezoidal mirror; 6. a reflection mechanism; 61. a step-by-step speed reduction motor; 62. a circular arc array lens holder; 63. a full-inverse array mirror; 7. a pan head cross screw; 8. a first plano-convex lens; 9. a conversion device; 91. a lens holder; 92. a lenticular lens base; 93. a diffusion sheet holder; 94. a fluorescent sheet holder; 95. a blue laser diode; 96. a third plano-convex lens; 97. a lenticular lens; 98. a diffusion sheet; 99. a transmissive fluorescent sheet; 910. a diaphragm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a technical solution provided by the present invention is:

a lamp based on blue laser excited fluorescent powder to output white light comprises a mounting plate 1, wherein a collimation support 2, a first lens support 3 and a deceleration motor base 4 are fixedly connected to the upper surface of the mounting plate 1 respectively, the deceleration motor base 4 is positioned on the left side of the collimation support 2, the first lens support 3 is positioned between the deceleration motor base 4 and the collimation support 2, a light source conversion mechanism 5 is arranged on the surface of the collimation support 2, a reflection mechanism 6 is arranged on the surface of the deceleration motor base 4, a pan head cross screw 7 is in threaded connection with the surface of the first lens support 3, the left side of the first lens support 3 is fixedly mounted with the right side of a first plano-convex lens 8 through the pan head cross screw 7, blue laser can be converted into white light through the light source conversion mechanism 5 and projected through different paths, the application of a laser light source can be more suitable for market demands, and the subsequent structure can be more beneficial to diverging light beams, through reflecting mechanism 6, can reflect the light beam that different routes were thrown from more different angles to realized the divergence to the light beam, make laser source can be better be applied to the market.

In this embodiment, the light source conversion mechanism 5 includes a screw 51, the surface of the screw 51 is in threaded connection with the inside of the collimating bracket 2, the left end of the screw 51 penetrates through the inside of the collimating bracket 2 and is fixedly mounted on the right side of the collimating mirror base 52, the conversion device 9 is arranged on the inner wall of the collimating mirror base 52, and the purpose of the conversion device 9 is achieved.

Further, a tapping screw 53 is screwed on the surface of the collimator lens holder 52, the surface of the collimator lens holder 52 is fixedly mounted with the inner wall of the trapezoidal circumference lens holder 54 through the tapping screw 53, the inner wall of the trapezoidal circumference lens holder 54 is fixedly connected with a second lens support 55, the inner wall of the second lens support 55 is fixedly connected with a second plano-convex lens 56, the inner wall of the trapezoidal circumference lens holder 54 is fixedly connected with 10 trapezoidal mirrors 57, the light beams emitted by the conversion device 9 respectively emit along a path a and a path B, the light beam a1 in the path a is in contact with the second plano-convex lens 56, the second plano-convex lens 56 can change the moving path of the light beams through two refractions and emit the light beam a2 to the left, the light beam B1 in the path B is not in contact with the second plano-convex lens 56 but is in direct contact with the trapezoidal mirror 57, the trapezoidal mirror 57 can change the moving path of the light beams through reflection, and reflects light beam B2.

Furthermore, the number of the trapezoidal reflectors 57 is 10, and the 10 trapezoidal reflectors 57 are all arranged in a circular array manner with the center line of the trapezoidal circumferential lens seat 54, and the 10 trapezoidal reflectors 57 are arranged at different angles and are matched with each other to reflect the light beam B1 from ten different directions to form 10 light beams B2 with different movement paths, and the trapezoidal reflectors 57 are front film-coated surface reflectors, so that the reflection effect is better.

In addition, the conversion device 9 includes a lens seat 91, a lenticular lens seat 92, a diffuser seat 93 and a phosphor sheet seat 94, the surfaces of the lens seat 91, the lenticular lens seat 92, the diffuser seat 93 and the phosphor sheet seat 94 are all fixedly connected with the inner wall of the collimating lens seat 52, the lenticular lens seat 92 is located on the left side of the lens seat 91, the diffuser seat 93 is located on the left side of the lenticular lens seat 92, and the phosphor sheet seat 94 is located on the left side of the diffuser seat 93, and by arranging the lens seat 91, the lenticular lens seat 92, the diffuser seat 93 and the phosphor sheet seat 94, the optical structures therein can be respectively fixed, so that the optical structures therein can be stably arranged in the conversion device 9 at a proper angle and a certain distance.

In addition, the inner wall of the lens holder 91 is fixedly connected with a blue light laser diode 95 and a third flat convex lens 96 respectively, the third flat convex lens 96 is positioned on the left side of the blue light laser diode 95, the surface of the blue light laser diode 95 is fixedly connected with the inner wall of the collimating lens holder 52, the blue light laser diode 95 is used as a point light source, a divergent laser beam is emitted leftwards, the divergent laser beam passes through the third flat convex lens 96, and the third flat convex lens 96 can change the movement path of the light beam through two times of refraction, so that the divergent point light source is changed into a parallel light source and emitted leftwards.

It is worth mentioning that the inner wall of the biconvex lens seat 92 is fixedly connected with the biconvex lens 97, the inner wall of the diffusion sheet seat 93 is fixedly connected with the diffusion sheet 98, the inner wall of the fluorescence sheet seat 94 is respectively fixedly connected with the transmission type fluorescence sheet 99 and the diaphragm 910, the diaphragm 910 is positioned at the left side of the transmission type fluorescence sheet 99, parallel laser beams are focused on the diffusion sheet 98 through twice refraction of the biconvex lens 97 and are projected onto the transmission type fluorescence sheet 99 after passing through the diffusion sheet 98, the transmission type fluorescence sheet 99 enters an excited state after absorbing light energy and is immediately de-excited and emits photons to form a white light beam, conversion of blue laser is realized, and the white light beam is emitted through collection and reinforcement of the diaphragm 910.

It should be noted that the reflection mechanism 6 includes a stepping deceleration motor 61, the surface of the stepping deceleration motor 61 is fixedly connected with the surface of the deceleration motor base 4, the output end of the stepping deceleration motor 61 is fixedly connected with an arc array lens base 62, the surface of the arc array lens base 62 is fixedly connected with a total reflection array lens 63, a light beam a2 is refracted twice in a first plano-convex lens 8 to form a light beam A3 which is parallel to each other, all parallel light beams A3 are converged into a cylindrical light column, a parallel light beam A3 is incident on the total reflection array lens 63 and reflects the light beam a4, and 10 light beams B2 with different movement paths are transmitted through the first plano-convex lens 8 and the first lens support 3 from different directions, and are refracted twice through the first plano-convex lens 8 and the first lens support 3 respectively to change the paths to form a light beam B3 which is parallel to each other, all the parallel light beams B3 are converged into a trapezoidal light column, the 10 light beams B2 with different motion paths form 10 trapezoidal light beams with different motion paths, and are incident on the sld 63 along the respective motion paths, and 10 light beams B4 with different motion paths are reflected.

The total anti-array mirror 63 is 88 pieces, and the size of each total anti-array mirror 63 is 5mm × 1mm mounting plate, because the total anti-array mirror 63 is 88 pieces, the light beams a4 and B4 have 88 emitting paths respectively, and because the light beam B4 has ten different moving paths, a common 968 light beams with different moving paths are emitted from the total anti-array mirror 63, and the dispersion of the laser point light source is realized.

When the lamp for outputting white light based on blue laser excited fluorescent powder is used, a blue laser diode 95 is used as a point light source to emit a divergent laser beam to the left, the divergent laser beam passes through a third plano-convex lens 96 to change the moving direction and project a parallel laser beam, the parallel laser beam moves to the left, is refracted by a double convex lens 97, is focused on a diffusion sheet 98, passes through the diffusion sheet 98 and is projected onto a transmission type fluorescent sheet 99, the transmission type fluorescent sheet 99 absorbs light energy and enters an excited state, and immediately retreats and emits photons to form a white light beam, the white light beam is converged and strengthened through a light column 910 and respectively emits to the left along a path A and a path B, a light beam A1 in the path A is in contact with a second plano-convex lens 56, the direction is changed through the refraction of the second plano-convex lens 56, a light beam A2 is emitted, a light beam B1 in the path B is not in contact with the second plano-convex lens 56, the light beam B1 is directly contacted with the trapezoidal reflector 57 and is reflected to form a light beam B2, the arrangement angles of 10 trapezoidal reflectors 57 are different and are matched with each other, the light beam B1 is reflected from ten different directions to form 10 light beams B2 with different movement paths, the light beam A2 transmits through the first plano-convex lens 8 to form light beams A3 which are parallel to each other, all parallel light beams A3 are converged to form a cylindrical light column, the parallel light beams A3 are emitted to the full-reflection array lens 63 and are reflected to form the light beam A4, all the light beams B2 are converged to form a trapezoidal light column, the light beam B2 in the trapezoidal light column respectively transmits through the first plano-convex lens 8 and the first lens bracket 3 to form the light beam B3, the light beam B3 is emitted to the full-reflection array lens 63 and is reflected to form the light beam B4, and finally conversion and divergence of the blue laser light source are achieved, so that the blue laser source can be better applied to the market.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a lamps and lanterns based on blue laser arouses phosphor powder output white light, includes mounting panel (1), its characterized in that: the upper surface of the mounting plate (1) is fixedly connected with a collimation support (2), a first lens support (3) and a deceleration motor base (4) respectively, the deceleration motor base (4) is located on the left side of the collimation support (2), the first lens support (3) is located between the deceleration motor base (4) and the collimation support (2), a light source conversion mechanism (5) is arranged on the surface of the collimation support (2), a reflection mechanism (6) is arranged on the surface of the deceleration motor base (4), a disc head cross screw (7) is in threaded connection with the surface of the first lens support (3), and the left side of the first lens support (3) is fixedly mounted with the right side of a first plano-convex lens (8) through the disc head cross screw (7);

the light source conversion mechanism (5) comprises a screw (51), the surface of the screw (51) is in threaded connection with the inside of the collimating bracket (2), the left end of the screw (51) penetrates through the inside of the collimating bracket (2) and is fixedly installed on the right side of the collimating mirror seat (52), and the inner wall of the collimating mirror seat (52) is provided with a conversion device (9);

the surface of the collimating lens seat (52) is in threaded connection with a tapping screw (53), the surface of the collimating lens seat (52) is fixedly mounted with the inner wall of the trapezoidal circumference lens seat (54) through the tapping screw (53), the inner wall of the trapezoidal circumference lens seat (54) is fixedly connected with a second lens bracket (55), the inner wall of the second lens bracket (55) is fixedly connected with a second plano-convex lens (56), and the inner wall of the trapezoidal circumference lens seat (54) is fixedly connected with a trapezoidal reflector (57);

the conversion device (9) comprises a lens seat (91), a biconvex lens seat (92), a diffusion sheet seat (93) and a fluorescent sheet seat (94), the surfaces of the lens seat (91), the biconvex lens seat (92), the diffusion sheet seat (93) and the fluorescent sheet seat (94) are fixedly connected with the inner wall of the collimating lens seat (52), the biconvex lens seat (92) is positioned at the left side of the lens seat (91), the diffusion sheet seat (93) is positioned at the left side of the biconvex lens seat (92), and the fluorescent sheet seat (94) is positioned at the left side of the diffusion sheet seat (93);

the inner wall of the lens holder (91) is fixedly connected with a blue light laser diode (95) and a third planoconvex lens (96) respectively, the third planoconvex lens (96) is positioned at the left side of the blue light laser diode (95), and the surface of the blue light laser diode (95) is fixedly connected with the inner wall of the collimating lens holder (52);

the inner wall of the biconvex lens seat (92) is fixedly connected with a biconvex lens (97), the inner wall of the diffusion sheet seat (93) is fixedly connected with a diffusion sheet (98), the inner wall of the fluorescent sheet seat (94) is respectively and fixedly connected with a transmission type fluorescent sheet (99) and a diaphragm (910), and the diaphragm (910) is positioned on the left side of the transmission type fluorescent sheet (99);

reflecting mechanism (6) are including step reduction motor (61), the fixed surface of the surface of step reduction motor (61) and gear motor seat (4) is connected, the output fixedly connected with circular arc array lens seat (62) of step reduction motor (61), the fixed surface of circular arc array lens seat (62) is connected with anti-array lens (63) entirely.

2. The lamp of claim 1, wherein the lamp outputs white light based on blue laser excitation phosphor, and the lamp further comprises: the number of the trapezoidal reflectors (57) is 10, and the 10 trapezoidal reflectors (57) are arranged in a circular array mode by using the central line of the trapezoidal circumferential reflector seat (54).

3. The lamp of claim 1, wherein the lamp outputs white light based on blue laser excitation phosphor, and the lamp further comprises: the total anti-array lens (63) number is 88 pieces, and each total anti-array lens (63) size is 5mm 1 mm.