CN213207593U

CN213207593U - Accurate lighting device

Info

Publication number: CN213207593U
Application number: CN202022547404.6U
Authority: CN
Inventors: 严飞飞; 严少斌; 刘明生; 高向东; 侯成新; 陈乾君; 刘海涛
Original assignee: Shanghai Biny Electric Co ltd
Current assignee: Shanghai Biny Electric Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-05-14
Anticipated expiration: 2030-11-06

Abstract

The precise lighting device comprises a light source component, a power supply component, a shell main body, a reflector and a supporting base; a partition board is arranged in the cavity structure of the shell main body, the partition board divides the cavity structure into a light source cavity and a power supply cavity, the light source cavity is used for accommodating a light source assembly, and the power supply cavity is used for accommodating a power supply assembly; a cable channel is arranged on the partition plate, and a cable waterproof connector is arranged on the lighting device; a power supply cover plate is arranged on the power supply cavity, and a light source cover plate is arranged on the light source cavity; the reflector is arranged on the outer side of the light source cover plate and is provided with a light inlet, a light outlet and a reflecting inner side wall; the supporting base is provided with a vertical surface and a transverse surface which are vertically arranged. The utility model discloses a light recompression to the appointed area of reflector through light source apron window outgoing finally forms the rectangle facula on the target surface to the crisscross diffusion homogeneity of outgoing light is good, has fine interception light effect simultaneously, effectively stops the glare, reduces light pollution, realizes accurate illumination.

Description

Accurate lighting device

Technical Field

The utility model relates to an illumination lamps and lanterns field, concretely relates to accurate lighting device.

Background

The lamp, especially the project lamp, is a lamp which converges the light of the light source and projects the light to the appointed direction to realize the regional illumination. The LED lamp is commonly used for scenes such as square illumination, large-area operation illumination, historical building group outer wall illumination, indoor local illumination and the like. However, the existing projection lamp has the following defects that the number of auxiliary parts besides the necessary parts of the first lamp and the second lamp is large, the structure is complex, and the assembly process is complicated; secondly, the power supply cavity and the light source cavity are separated, a cable needs to be externally connected between the power supply cavity and the light source cavity, a waterproof structure of the cable needs to be additionally considered, and meanwhile, the cable is exposed and easy to age, so that the service life is influenced; thirdly, the existing projection lamp is single in adjusting direction, can only realize angle adjustment in a two-dimensional plane range, and has a small adjustable angle range and a narrow working range; fourthly, the existing projection lamp generates dazzling light to vehicles or pedestrians at a distance, and the light pollution is serious; fifthly, the light type of the existing projection lamp on the ground can become a circular light spot with a large area, a large amount of light is wasted in a non-illumination range, and meanwhile, an obvious dark area can appear at the light spot combination position, so that accurate illumination cannot be achieved.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an accurate lighting device.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the precise lighting device comprises a light source component, a power supply component, a shell main body, a reflector and a supporting base; the shell main body of the lighting device is of a cavity structure, a partition plate is arranged in the cavity structure of the shell main body, the partition plate divides the cavity structure into a light source cavity and a power supply cavity, the light source cavity is used for accommodating the light source assembly, and the power supply cavity is used for accommodating the power supply assembly; the partition board is provided with a cable channel, the light source assembly is electrically connected with the power supply assembly through a cable penetrating through the cable channel, and the lighting device is provided with a cable waterproof connector; the power supply cavity is provided with a power supply cover plate, and the power supply cover plate is used for sealing the power supply cavity and fixing the power supply assembly in the power supply cavity; a light source cover plate is arranged on the light source cavity and used for sealing the light source cavity and fixing the light source assembly in the light source cavity; the light source cover plate is provided with a window matched with the light emitting surface of the light source component; the reflector is arranged on the outer side of the light source cover plate and is provided with a light inlet, a light outlet and a reflecting inner side wall extending between the light inlet and the light outlet; the supporting base is provided with a vertical surface and a transverse surface which are vertically arranged, the vertical surface of the supporting base is rotatably connected with the illuminating device, the transverse surface of the supporting base is used for installing and fixing the illuminating device on a working surface of the illuminating device, and the transverse surface of the supporting base is rotatably connected with the working surface.

In the above technical scheme, the reflector is a reflective inner side wall extending between the light inlet and the light outlet, and the length of the reflective inner side wall extending on the long side of the reflector is greater than that of the reflective inner side wall extending on the short side of the reflector.

In the above technical solution, the reflective inner side wall of the reflector extending between the light inlet and the light outlet is a smooth curved surface, and the curvature of the smooth curved surface gradually increases from the light inlet to the light outlet.

In the technical scheme, the light source cavity is divided into a first cavity and a second cavity by a partition, the first cavity is located on the periphery of the light source cavity and is of an annular groove-shaped structure, a protruding portion matched with the first cavity is arranged on one side, opposite to the light source cavity, of the light source cover plate, and the second cavity is used for positioning the light source assembly.

In the technical scheme, the light source component comprises an LED light-emitting plate, a lens module and optical glass; the LED luminescent plate with the lens module from inside to outside hold in just in the second cavity, optical glass locates the lens module with between the light source apron, and hold in just in the region that forms between the outer terminal surface of separator, the medial surface of light source apron and the bellying.

In the above technical solution, the supporting base includes a first supporting connection member and a second supporting connection member; the first supporting and connecting piece comprises a first transverse face and a first vertical face which are arranged perpendicular to each other, and the second supporting and connecting piece comprises a second transverse face and a second vertical face which are arranged perpendicular to each other; the first transverse surface is fixedly connected with the outer side surface of the power supply cover plate, the first vertical surface is rotatably connected with the second vertical surface, and the second transverse surface is used for mounting and fixing the whole lighting device on a working surface of the lighting device; one or more circular arc-shaped limiting holes are formed in the second transverse surface, the circular arc-shaped limiting holes are located on the same circumferential surface, and each circular arc-shaped limiting hole is matched with at least one limiting bolt; each limiting bolt is connected with the corresponding arc-shaped limiting hole in a sliding mode, and the limiting bolts can move along the bending direction of the corresponding arc-shaped limiting holes to achieve rotatable connection of the lighting device and the working face.

Among the above-mentioned technical scheme, connect through coupling assembling between shell main part, light source apron and the power apron, coupling assembling includes a plurality of pegs, sets up in a plurality of first spacing holes of power apron outlying set up in a plurality of second spacing holes of baffle outlying and set up in a plurality of third spacing holes of light source apron medial surface outlying, the peg with first spacing hole, the spacing hole of second and the mutual correspondence of the spacing hole of third match, through the peg passes first spacing hole, the spacing jogged joint of second in the spacing hole of third, realizes that the connection of light source apron, shell main part and power apron is fixed.

In the technical scheme, each lens on the optical glass corresponding to the lens module is provided with a light channel, the light channel is used for containing light emitted from the light emitting surface of the corresponding lens, and both sides of the light channel are coated with antireflection films; the area of the optical glass, which is not a light channel, is coated with a total reflection film.

In the technical scheme, a respirator is further arranged on the outer side face of the lighting device.

Compared with the prior art, the utility model, beneficial effect lies in:

the utility model discloses a to the lighting device shell main part structural design, make the cavity structure of lighting device shell main part be power source chamber also light source chamber simultaneously, separate power source chamber and light source chamber with the baffle simultaneously, make power supply module and light source subassembly mutually independent and do not interfere with each other, not only improved the reliability of product, prolonged the life of light source, and simplified lamps and lanterns self structure, simplified installation and manufacturing process; the connecting cable between the light source assembly and the power supply assembly is hidden in the lamp, the cable does not need to be subjected to waterproof treatment, direct sunlight is avoided, and the service life of the cable is prolonged; the whole lamp is only provided with one cable joint, the waterproof structure of the lamp is greatly simplified, and the cost is saved.

The utility model discloses a light recompression to the appointed area of reflector through light source apron window outgoing finally forms the rectangle facula on the target surface to the crisscross diffusion homogeneity of outgoing light is good, has fine interception light effect simultaneously, effectively stops the glare, reduces light pollution, realizes accurate illumination.

The utility model discloses a structural design of supporting seat for this lighting device both can be rotatory in the position of perpendicular to working face, can be rotatory in the position that is on a parallel with the working face again, can all-round adjustment this lighting device's angle as required, and the illumination zone is broader, and the illumination precision is higher.

The utility model discloses a light source chamber communicates each other through cable channel with the power supply chamber, and to keep the air pressure balance in the lamps and lanterns cavity, only need a respirator, just can satisfy needs, needs the independent configuration respirator with prior art light source chamber and power supply chamber and compares, has practiced thrift the cost, has simplified assembly process.

Drawings

Fig. 1 is a schematic diagram of an explosion structure according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of an embodiment of the present invention.

Fig. 3 is a schematic front view of an embodiment of the present invention.

Fig. 4 is a schematic bottom view of an embodiment of the present invention.

Fig. 5 is a left side view schematic diagram of an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a reflector according to an embodiment of the present invention.

Fig. 7 is a first schematic structural diagram of the housing main body according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of the housing main body according to an embodiment of the present invention.

Fig. 9 is a schematic structural view of an optical glass according to an embodiment of the present invention.

Fig. 10 is a schematic view of a light distribution principle in an embodiment of the present invention.

Wherein, 1, a reflector; 2. a light source cover plate; 3. an optical glass; 4. a lens module; 5. an LED light emitting panel; 6. a housing main body; 7. a power supply component; 8. a power supply cover plate; 9. a first support connection; 10. a second support connection; 11. a partition plate; 12. a second vertical plane; 13. a second transverse face; 14. a first vertical plane; 15. a circular arc step surface; 16. a circular arc-shaped limiting hole; 17. a reflective inner sidewall; 18. a separator; 19. an annular groove; 20. a first chamber; 21. a second chamber; 22. a power supply cavity; 23. a second limiting hole; 24. a power source positioning column; 25. a cable channel; 26. a light path; 27. light rays; 28. and (4) a light projection surface.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings:

example 1

Referring to fig. 1-8, the precision lighting device includes a light source assembly, a power supply assembly, a housing assembly, 6, a reflector 1 and a supporting base; the housing main body 6 of the lighting device is of a cavity structure, a partition plate 11 is arranged inside the cavity structure of the housing main body 6, the partition plate 11 divides the cavity structure into a light source cavity and a power supply cavity 22, the light source cavity is used for accommodating the light source assembly, and the power supply cavity 22 is used for accommodating the power supply assembly 7; a power supply cavity for positioning the power supply assembly 7 is arranged in the power supply cavity 22, and preferably, the power supply cavity is surrounded by a plurality of power supply positioning pillars 24 arranged in the power supply cavity, referring to fig. 8, as a preferred scheme, the number of the power supply positioning pillars in this embodiment is 4; a cable channel is arranged on the partition plate, the light source assembly is electrically connected with the power supply assembly 7 through a cable penetrating through the cable channel 25, and a cable waterproof connector is arranged on the illuminating device; a power supply cover plate 8 is arranged on the power supply cavity 22, and the power supply cover plate 8 is used for sealing the power supply cavity 22 and fixing the power supply component 7 in the power supply cavity 22; a light source cover plate 2 is arranged on the light source cavity, and the light source cover plate 2 is used for sealing the light source cavity and fixing the light source component in the light source cavity; the light source cover plate 2 is provided with a window matched with the light emitting surface of the light source component; the reflector 1 is arranged on the outer side of the light source cover plate 2, and the reflector 1 is provided with a light inlet, a light outlet and a reflecting inner side wall 17 extending between the light inlet and the light outlet; the supporting base is provided with a vertical surface and a transverse surface which are vertically arranged, the vertical surface of the supporting base is rotatably connected with the illuminating device, the transverse surface of the supporting base is used for installing and fixing the illuminating device on a working surface of the illuminating device, and the transverse surface of the supporting base is rotatably connected with the working surface.

In a preferred but non-limiting embodiment of the present invention, referring to fig. 6, the reflector 1 has a reflective inner sidewall 17 extending between the light inlet and the light outlet, and the length of the reflective inner sidewall extending from the long side of the reflector 1 is greater than the length of the reflective inner sidewall extending from the short side thereof.

In a preferred but nonlimiting embodiment of the present invention, referring to fig. 6, the reflective inner sidewall 17 of the reflector 1 extending between the light inlet and the light outlet is a smooth curved surface, and the curvature of the smooth curved surface gradually increases from the light inlet to the light outlet.

In a preferred but non-limiting embodiment of the present invention, referring to fig. 7, the light source cavity is separated into a first cavity 20 and a second cavity 21 by a partition 18, the first cavity 20 is located at the periphery of the light source cavity and is in a ring groove-shaped structure, the light source cover plate 2 is provided with a protrusion matching with the first cavity 20 at the side opposite to the light source cavity, and the second cavity 21 is used for positioning the light source assembly.

In a preferred, but not limiting embodiment of the present invention, referring to fig. 1, the light source assembly includes an LED light-emitting panel 5, a lens module 4, and an optical glass 3; the LED light-emitting plate 5 and the lens module 4 are just accommodated in the second cavity 21 from inside to outside, the optical glass 3 is arranged between the lens module 4 and the light source cover plate 2 and just accommodated in an area formed between the outer end face of the partition 18, the inner side face of the light source cover plate 2 and the protruding portion.

In a preferred and non-limiting embodiment of the invention, with reference to figures 3-5, the support base comprises a first support connection 9 and a second support connection 10; the first supporting and connecting piece 9 comprises a first transverse face and a first vertical face 14 which are arranged perpendicular to each other, and the second supporting and connecting piece 10 comprises a second transverse face 13 and a second vertical face 12 which are arranged perpendicular to each other; the first transverse surface is fixedly connected with the outer side surface of the power cover plate 8, and preferably, in this embodiment, referring to fig. 4, the first transverse surface coincides with the power cover plate 8, and the first vertical surface 14 and the power cover plate 8 are of an integrated structure; the first vertical surface 14 is rotatably connected with the second vertical surface 12, and the second transverse surface 13 is used for mounting and fixing the whole lighting device on a working surface of the lighting device; one or more circular arc-shaped limiting holes 16 are formed in the second transverse surface 13, the circular arc-shaped limiting holes 16 are located on the same circumferential surface, and each circular arc-shaped limiting hole 16 is matched with at least one limiting bolt; each limiting bolt is connected with the corresponding arc-shaped limiting hole 16 in a sliding mode, and the limiting bolts can move along the bending direction of the corresponding arc-shaped limiting holes 16 to achieve rotatable connection of the lighting device and the working face.

Preferably, referring to fig. 3 to 5, the first vertical surface 14 is rotationally connected to the second vertical surface 12, and is implemented by angle gear disc assemblies respectively disposed on the first vertical surface 14 and the second vertical surface 12 and matched with each other, the outer side surface of the first vertical surface 14 is further provided with a scale mark centering on the rotating shaft thereof, and the range of the rotational angle between the first vertical surface 14 and the second vertical surface 12 is 0 to 360 degrees; further, preferably, the second vertical surface 14 is provided with an arc-shaped step surface 15, the arc-shaped step surface 15 and an outer arc surface of the angle fluted disc assembly of the first vertical surface 14 are arranged in a concentric circle, the arc length of the arc-shaped step surface 15 can be set according to needs in the practical application process, the first vertical surface 14 rotates to be abutted against two ends of the arc-shaped step surface 15 to play a role in limiting and supporting, the longer the arc length is, the smaller the rotation angle range of the arc-shaped step surface is, and otherwise, the larger the rotation angle range is; preferably, the first vertical surface 14 and the second vertical surface 12 are rotated by an angle in the range of 0-150 °.

The rotation angle range between the lighting device and the working surface of the lighting device of the present invention is 0-360 °, preferably, referring to fig. 5, the number of the circular arc-shaped limiting holes 16 on the second transverse surface 13 is 2, the circular arc-shaped limiting holes 16 of the present embodiment achieve the rotation angle range between the lighting device and the working surface thereof is 0-220 °, but not limited thereto, and only as a preferred solution; in the practical application process, the arc length and the number of the arc-shaped limiting holes 16 can be set according to the rotation angle requirement and the structural characteristics of the second supporting connecting piece 10, and the arc-shaped limiting holes 16 can also be complete round limiting holes, so that the rotation angle range between the lighting device and the working surface of the lighting device is 0-360 degrees, and the longer the total arc length of the arc-shaped limiting holes 16 is, the larger the rotation angle range is.

The utility model relates to a in preferred but not restrictive embodiment, refer to fig. 7 and 8, connect through coupling assembling between shell main part 6, light source apron 2 and the power apron 8, coupling assembling includes a plurality of pegs, setups in a plurality of first spacing holes of power apron periphery, setups in a plurality of second spacing holes 23 of baffle periphery and setups in a plurality of third spacing holes of 2 medial surfaces of light source apron, the peg with first spacing holes, the spacing hole 23 of second and the mutual correspondence of third are matchd, through the peg passes first spacing hole, the spacing hole 23 of second connects in the spacing hole of third, realizes that the connection of light source apron, shell main part and power apron is fixed.

In a preferred but non-limiting embodiment of the present invention, referring to fig. 9, each lens on the corresponding lens module 4 on the optical glass 3 is provided with a light channel 26, the light channel 26 is used for accommodating light emitted from the light emitting surface of the corresponding lens, and both sides of the light channel 26 are coated with an antireflection film; the areas of the optical glass 3 other than the light path are coated with a total reflection film. Preferably, the optical glass 3 is made of high borosilicate glass, and antireflection films are coated on two sides of a light channel of the optical glass, so that the light transmittance of the optical glass 3 is increased from 88% to more than 97%, and the light output rate is improved.

In a preferred but non-limiting embodiment of the invention, the power cover 8 of the lighting device or the housing body 6 is provided on its outer side with a respirator.

In a preferred but not limiting embodiment of the present invention, the LED light-emitting plate 5 is composed of LED light sources distributed in an array on an aluminum substrate, and the thermal conductivity of the aluminum substrate is 3.0, so that the temperature of each LED is kept at a lower temperature point. Further, preferably, the aluminum substrate is coated with a full-emission film on the light-emitting surface side of the LED light source, which is beneficial to improving the light utilization rate.

In a preferred but non-limiting embodiment of the present invention, the housing body 6 is made by a high-strength magnesium-aluminum die casting process, and a thermal grease with a thermal conductivity of 3.0 or more is applied on the surface of the housing body, so that the LED light-emitting panel 5 can be smoothly heated to the heat dissipation housing body. The temperature on the surface of the shell body is dispersed by convection of the shell body 6, so that the temperature of the whole lighting device is balanced in a lower reasonable interval, and the light of the whole lighting device is ensured to be output efficiently.

Example 2

The utility model discloses a grading principle:

referring to fig. 10, the utility model discloses an accurate lighting device can realize that the beam angle is 60 x 5's rectangle facula, the utility model discloses an adopt in the lens module 4 be the total reflection lens array that has the free-form surface type and go out the plain noodles and form, these total reflection lens can collect all light that send from all LED light sources on the LED luminescent plate, and redistribute appointed region, the grading on the free-form surface type goes out the plain noodles can make the grading curve of LED light source be bat wing distribution, makes the facula grow squarely to the centre and the edge of facula are more even.

The single total reflection lens can collect most of light rays within a beam angle range of 60 degrees to 5 degrees, and a small part of light rays still escape from the angle range; in the +/-60-degree beam angle direction, because the beam angle is larger, escaping light rays are less; in the +/-5-degree beam angle direction, because the beam angle is relatively small, escaping light rays can be relatively less, and the escaping light rays in all directions are collected by a first reflecting inner side wall extending between the light inlet and the light outlet in the short side direction of the reflector through the light outlet side of the total reflection lens, so that the +/-60-90-degree partial escaping light rays are pressed and retracted within the +/-60-degree beam angle; the escape light rays in the +/-5-degree beam angle direction are collected by a second reflection inner side wall extending between the light inlet and the light outlet in the long side direction of the reflector, and the +/-5-90-degree escape light rays in the Y direction are pressed and retracted within +/-5-degree beam angles; meanwhile, since the ± 60 ° beam angle direction escapes less light rays and the ± 5 ° beam angle direction escapes more light rays, it is preferable to design the length of the second emission inner sidewall to be greater than that of the first reflection inner sidewall, see fig. 6.

The embodiments and drawings of the present invention are only for illustrating the present invention and do not constitute a limitation to the scope of the claims, and other substantially equivalent alternatives that may be conceived by those skilled in the art are within the scope of the present invention.

Claims

1. Accurate lighting device, its characterized in that: the lighting device comprises a light source component, a power supply component (7), a shell main body (6), a reflector (1) and a supporting base; the shell main body (6) of the lighting device is of a cavity structure, a partition plate (11) is arranged inside the cavity structure of the shell main body (6), the partition plate (11) divides the cavity structure into a light source cavity and a power supply cavity (22), the light source cavity is used for accommodating the light source assembly, and the power supply cavity (22) is used for accommodating the power supply assembly (7); a cable channel (25) is arranged on the partition plate (11), the light source assembly is electrically connected with the power supply assembly (7) through a cable penetrating through the cable channel (25), and a cable waterproof joint is arranged on the illuminating device; a power supply cover plate (8) is arranged on the power supply cavity (22), the power supply cover plate (8) is used for sealing the power supply cavity (22) and fixing the power supply assembly in the power supply cavity (22); a light source cover plate (2) is arranged on the light source cavity, and the light source cover plate (2) is used for sealing the light source cavity and fixing the light source component in the light source cavity; the light source cover plate (2) is provided with a window matched with the light emitting surface of the light source component; the reflector (1) is arranged on the outer side of the light source cover plate (2), and the reflector (1) is provided with a light inlet, a light outlet and a reflecting inner side wall (17) extending between the light inlet and the light outlet; the supporting base is provided with a vertical surface and a transverse surface which are vertically arranged, the vertical surface of the supporting base is rotatably connected with the illuminating device, the transverse surface of the supporting base is used for installing and fixing the illuminating device on a working surface of the illuminating device, and the transverse surface of the supporting base is rotatably connected with the working surface.

2. The precision lighting fixture of claim 1, wherein: reflector (1) advances light mouthful and goes out reflection inside wall (17) that the light mouthful extends, the reflection inside wall length that reflector (1) long avris extended is greater than the reflection inside wall length that its short avris extended.

3. The precision lighting fixture of claim 1, wherein: the reflector (1) is characterized in that a reflecting inner side wall (17) extending between the light inlet and the light outlet is a smooth curved surface, and the curvature of the smooth curved surface is gradually increased from the light inlet to the light outlet.

4. The precision lighting fixture of claim 1, wherein: the light source cavity is divided into a first cavity (20) and a second cavity (21) by a partition (18), the first cavity (20) is located on the periphery of the light source cavity and is of an annular groove-shaped structure, a protruding portion matched with the first cavity (20) is arranged on one side, opposite to the light source cavity, of the light source cover plate (2), and the second cavity (21) is used for positioning the light source assembly.

5. The precision lighting fixture of claim 4, wherein: the light source component comprises an LED light-emitting plate (5), a lens module (4) and optical glass (3); LED luminescent plate (5) with lens module (4) from interior to exterior hold just in second cavity (21), optical glass (3) are located lens module (4) with between light source apron (2), and hold just in the region that forms between the medial surface of the outer terminal surface of separator (18), light source apron (2) and the bellying.

6. The precision lighting fixture of claim 1, wherein: the support base comprises a first support connection (9) and a second support connection (10); the first supporting and connecting piece (9) comprises a first transverse face and a first vertical face (14) which are arranged perpendicular to each other, and the second supporting and connecting piece (10) comprises a second transverse face (13) and a second vertical face (12) which are arranged perpendicular to each other; the first transverse surface is fixedly connected with the outer side surface of the power supply cover plate (8), the first vertical surface (14) is rotatably connected with the second vertical surface (12), and the second transverse surface (13) is used for mounting and fixing the whole lighting device on a working surface of the lighting device; one or more circular arc-shaped limiting holes (16) are formed in the second transverse surface (13), the circular arc-shaped limiting holes (16) are located on the same circumferential surface, and each circular arc-shaped limiting hole (16) is matched with at least one limiting bolt; each limiting bolt is connected with the corresponding arc-shaped limiting hole (16) in a sliding mode, and the limiting bolts can move along the bending direction of the corresponding arc-shaped limiting holes (16), so that the lighting device can be rotatably connected with the working face.

7. The precision lighting fixture of claim 1, wherein: connect through coupling assembling between shell main part (6), light source apron (2) and power apron (8), coupling assembling includes a plurality of gim peg, sets on in a plurality of first spacing holes of power apron (8) outlying set on in a plurality of spacing holes of baffle (11) outlying second and set on in a plurality of spacing holes of light source apron (2) medial surface outlying third, the gim peg with first spacing hole, spacing hole of second (23) and the spacing hole of third correspond the matching each other, through the gim peg passes first spacing hole, the spacing hole of second (23) and connects in the spacing hole of third, realizes that the connection of light source apron (2), shell main part (6) and power apron (8) is fixed.

8. The precision lighting fixture of claim 5, wherein: each lens on the optical glass (3) corresponding to the lens module (4) is provided with a light channel (26), the light channel (26) is used for containing light emitted from the light emitting surface of the corresponding lens, and both sides of the light channel are coated with antireflection films; the area of the optical glass, which is not a light channel, is coated with a total reflection film.

9. The precision lighting fixture of claim 1, wherein: and a respirator is also arranged on the outer side surface of the lighting device.