CN214663831U

CN214663831U - Shadowless lamp light source assembly

Info

Publication number: CN214663831U
Application number: CN202120719480.2U
Authority: CN
Inventors: 吴向阳
Original assignee: Hunan Mplent Photoelectric Technology Co ltd
Current assignee: Hunan Mplent Photoelectric Technology Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-11-09
Anticipated expiration: 2031-04-09

Abstract

The utility model provides a shadowless lamp light source assembly, which comprises a light source module, a light source bracket, a central driving plate, a spiral lifting device and a shading sensor; the light source module is arranged on the light source bracket through the rotating shaft cover; the central driving board and the light source bracket are sequentially arranged on the spiral lifting device from top to bottom; the shading sensor is arranged on the light source module; the shadowless lamp light source assembly is axisymmetric by taking the axis of the spiral lifting device as a center line; the central driving board is electrically connected with the light source module and the shading sensor respectively. The light source module comprises a fan-shaped aluminum substrate, and a plurality of openings are formed in the fan-shaped aluminum substrate. The utility model discloses well aluminum substrate adopts the integrated wiring design, need not to weld connecting wire between the lamp pearl, has simplified the installation. The opening design on the fan-shaped aluminum substrate can remove the stress during installation, and the problem that the installation angle has errors is optimized.

Description

Shadowless lamp light source assembly

Technical Field

The utility model relates to an operation shadowless lamp field specifically is an operation shadowless lamp light source assembly.

Background

Shadowless lamps are used to illuminate the surgical site, and conventional surgical lamps generally use ring-shaped energy-saving lamps or halogen lamps as the light source. With the continuous development of the LED technology, especially the development of a high-brightness white LED, the LED shadowless lamp greatly improves the problems of uneven illumination, poor light quality, chromatic aberration and the like of an annular energy-saving lamp. However, the LED shadowless lamp mostly adopts a combination formed by a single lens and a single aluminum substrate, and a plurality of groups of combinations are assembled by respectively using a wire connection mode, so that the assembly is troublesome, the production efficiency is low, and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, provide a simple and convenient shadowless lamp light source assembly of equipment. The shadowless lamp light source assembly is formed by a plurality of groups of light source modules which are surrounded and arranged on a spiral lifting device through a light source bracket.

A shadowless lamp light source assembly comprises a light source module, a light source bracket, a central driving plate, a spiral lifting device and a shading sensor; the light source module is arranged on the light source bracket through a rotating shaft cover; the central driving board and the light source bracket are sequentially arranged on the spiral lifting device from top to bottom; the shading sensor is arranged on the light source module; the shadowless lamp light source assembly is axisymmetric by taking the axis of the spiral lifting device as a center line; the central driving board is electrically connected with the light source module and the shading sensor respectively.

As a further improvement of the above technical solution:

furthermore, the light source module comprises a fan-shaped light source framework, a lens and a fan-shaped aluminum substrate; the fan-shaped light source framework is matched with the fan-shaped aluminum base plate and is integrally covered by the fixing column; a plurality of lenses are symmetrically arranged on the fan-shaped light source framework along the central line; LED lamp beads are mounted on the fan-shaped aluminum substrate; the positions of the LED lamp beads correspond to the centers of the lenses one by one; the fan-shaped light source framework is provided with a shading sensor mounting hole, and the shading sensor is mounted on the shading sensor mounting hole. After the shading sensor detects that the object is shaded, the central driving board can enhance the brightness of other light source modules without shading.

Furthermore, the light source bracket comprises a lamp cover clamping device and a rotating shaft cover for mounting the light source module; the lamp cover clamping device and the light source support are integrally formed.

Furthermore, the spiral lifting device comprises a circular flange plate, a light source framework front shaft gland, a flange seat and a spiral adjusting screw rod; the light source framework front shaft gland covers the fixing column of the circular flange plate; the spiral adjusting screw rod sequentially penetrates through the centers of the circular flange plate and the flange seat from top to bottom, and the circular flange plate is embedded into the flange seat.

Still further, the lens is a heptagonal lens.

Furthermore, a plurality of openings for removing stress are arranged on the fan-shaped aluminum substrate.

Furthermore, the lenses are separated by a partition plate; and the partition plate and the fixing column on the fan-shaped light source framework are integrally formed with the fan-shaped light source framework.

Furthermore, the short arc surface of the fan-shaped light source framework is provided with a rotating device, and the end part of the rotating device is provided with a protrusion for rotating.

Furthermore, the opening formed on the fan-shaped aluminum substrate is a U-shaped groove.

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

1. the integrated design of the fan-shaped aluminum substrate simplifies the assembly procedure, so that the assembly process is simple and rapid, and the working efficiency is improved.

2. Stress when the aluminum substrate is integrally covered is removed through the opening design on the aluminum substrate, so that the lens mounting angle is more accurate.

3. The refraction through heptagon lens makes the light that LED lamp pearl sent collect in the art field region after refracting, and the light efficiency is better, and is free of glare, reduces visual fatigue.

4. The fan-shaped light source framework end rotating device is designed to enable the installation to be stable and meanwhile the adjustment of the size of a light spot to be convenient.

5. The U-shaped opening of the aluminum substrate is designed to firstly reduce the opening area, so that the dustproof of the light source framework is facilitated, the heat dissipation area is increased, and the heat dissipation performance is improved; secondly, the U-shaped design makes the opening processing line face sleek, and machining efficiency is high, protects operating personnel not to be hurt simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a bottom perspective view of the shadowless lamp light source assembly of the present invention.

Fig. 2 is a top perspective view of the shadowless lamp light source assembly of the present invention.

Fig. 3 is an exploded view of the shadowless lamp light source assembly of the present invention.

Fig. 4 is an internal structure view of the middle light source module of the present invention.

Fig. 5 is a schematic diagram of a main circuit of the present invention.

Fig. 6 is a schematic circuit diagram of a light source module according to an embodiment of the present invention.

Reference numerals: 1. a light source module; 2. a light source holder; 3. a central drive plate; 4. a spiral lifting device; 5. a shading sensor; 11. a fan-shaped light source framework; 12. a lens; 13. a fan-shaped aluminum substrate; 131. a lamp bead; 132. an opening; 14. fixing a column; 15. a shading sensor mounting hole; 16. a protrusion; 17. a rotating device; 18. a partition plate; 21. a lamp cover clamping device; 22. a rotating shaft cover; 41. a circular flange plate; 42. a light source framework front shaft gland; 43. a flange seat; 44. and (5) spirally adjusting a screw rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without any creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, the shadowless lamp light source assembly of the embodiment includes a light source module 1, a light source bracket 2, a central driving board 3, a spiral lifting device 4 and a shading sensor 5; the light source module 1 is arranged on the light source bracket 2 through a rotating shaft cover 22; the central driving board 3 and the light source bracket 2 are sequentially arranged on the spiral lifting device 4 from top to bottom; the shading sensor 5 is arranged on the light source module 1; the shadowless lamp light source assembly is axisymmetric with the axis of the spiral lifting device 4 as a center line.

Illustratively, six groups of light source modules 1 are mounted on the light source support 2 through the rotating shaft cover 22, and the central driving plate 3 and the light source support 2 are sequentially mounted on the spiral lifting device 4 from top to bottom. The angle of the shadowless lamp light source can be adjusted up and down by adjusting the spiral lifting device 4. In order to achieve a better light-gathering effect, the shadowless lamp light source assembly is a circular arc surface with a concave radian.

As shown in fig. 2-4, the light source module 1 includes a fan-shaped light source frame 11, a lens 12, and a fan-shaped aluminum substrate 13; the fan-shaped light source framework 11 is matched with the fan-shaped aluminum substrate 13 and is integrally covered by a fixing column 14; a plurality of lenses 12 are symmetrically arranged on the fan-shaped light source framework 11 along the central line; the fan-shaped aluminum substrate 13 is provided with LED lamp beads 131, and the positions of the lamp beads 131 correspond to the centers of the lenses 12 one by one; the fan-shaped light source framework 11 is provided with a shading sensor mounting hole 15, and the shading sensor 5 is mounted on the shading sensor mounting hole 15. When the shading sensor detects that the object is shaded, the central driving board can enhance the brightness of other light source modules without shading.

The light source bracket 2 comprises a lamp cover clamping device 21 and a rotating shaft cover 22 for installing the light source module 1; the lamp cover clamping device 21 and the light source bracket 2 are integrally formed.

The spiral lifting device 4 comprises a circular flange 41, a light source framework front shaft gland 42, a flange seat 43 and a spiral adjusting screw rod 44; the light source framework front shaft gland 42 covers the fixing column of the circular flange plate 41; the screw adjusting screw 44 passes through the centers of the circular flange 41 and the flange seat 43 from top to bottom in sequence, and the circular flange 41 is embedded into the flange seat 43. The up-and-down movement of the spiral lifting device is completed by adjusting the relative position of the circular flange plate 41 on the spiral adjusting screw rod 44.

As shown in fig. 5, the central driving board 3 is electrically connected to the plurality of sets of light source modules 1 and the shading sensor 5, respectively.

In particular, the lens 12 is a heptagonal lens. During the use, the heptagon lens makes the light that LED lamp pearl sent collect in the art field region after refracting, and the light efficiency is better, and is free of glare, reduces visual fatigue.

Specifically, the fan-shaped aluminum substrate 13 is provided with a plurality of openings 132 for removing stress. In this embodiment, the opening 132 is a U-shaped groove, and this opening manner firstly reduces the opening area, which is beneficial to dust prevention of the light source framework, and simultaneously increases the heat dissipation area and improves the heat dissipation performance; secondly, the U-shaped design makes the opening processing line face sleek, and machining efficiency is high, protects operating personnel not to be hurt simultaneously.

Illustratively, the 14 lenses 12 are arranged in 4 rows on the fan-shaped light source skeleton 1 in ascending numerical sequence with the difference number of 1, the first row is 2, the second row is 3, the third row is 4, and the fourth row is 5. A light-shielding sensor mounting hole 15 is provided between the third row and the fourth row of lenses. And a through hole is formed in the fan-shaped aluminum substrate at a position corresponding to the shading sensor mounting hole, and the shading sensor penetrates through the through hole and is mounted on the shading sensor mounting hole. The partition 18 divides the fan-shaped light source skeleton into 14 regions, each of which is fitted with a lens 12. The partition plate 18 and the fixing column 14 on the fan-shaped light source framework 11 are integrally formed with the fan-shaped light source framework 11.

As shown in fig. 6, the LED lamp beads 131 are mounted on the fan-shaped aluminum substrate 13, and exemplarily, the 14 LED lamp beads 131 are divided into three groups, wherein 2 are cavity mirrors, 5 are high-color-temperature lamp beads, and 7 are low-color-temperature lamp beads. The three groups of lamp beads are electrically connected with the central driving board 3 through a 6-core terminal; the shading sensor 5 is electrically connected to the central driving board 3 through a 3-core terminal. The three groups of lamp beads are connected in parallel and are simultaneously connected with the shading sensor 5 in parallel.

In another embodiment (not illustrated in the figures, layout similar to that of fig. 1-4), 9 lenses are arranged in 3 rows, 2 in the first row, 3 in the second row and 4 in the third row on the fan-shaped light source skeleton in an increasing arithmetic progression with a difference of 1. 9 LED lamp pearls 131 divide into 3 groups, 2 of them are chamber mirror, 3 are high color temperature lamp pearls, 4 are low color temperature lamp pearls.

When in use, the shadowless lamp light source module is arranged on the flange disc 41 through the rotating device 17 arranged at the short arc end of the fan-shaped light source framework 11. The light source framework front shaft gland 42 covers the circular flange 41. The end of the rotation means 17 is provided with a projection 16 for increasing the rotational tightness.

The utility model discloses the technical scheme of well each embodiment can make up, and technical feature in the embodiment does to make up and forms new technical scheme.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The shadowless lamp light source assembly is characterized by comprising a light source module (1), a light source bracket (2), a central driving plate (3), a spiral lifting device (4) and a shading sensor (5); the light source module (1) is arranged on the light source bracket (2) through a rotating shaft cover (22); the central driving board (3) and the light source bracket (2) are sequentially arranged on the spiral lifting device (4) from top to bottom; the shading sensor (5) is arranged on the light source module (1); the shadowless lamp light source assembly is axisymmetric by taking the axis of the spiral lifting device (4) as a center line; the central driving board (3) is electrically connected with the light source module (1) and the shading sensor (5) respectively.

2. The shadowless lamp light source assembly of claim 1, wherein the light source module (1) comprises a fan-shaped light source framework (11), a lens (12) and a fan-shaped aluminum substrate (13); the fan-shaped light source framework (11) is matched with the fan-shaped aluminum substrate (13) and is integrally covered through a fixing column (14); a plurality of lenses (12) are symmetrically arranged on the fan-shaped light source framework (11) along the central line; LED lamp beads (131) are mounted on the fan-shaped aluminum substrate (13); the positions of the LED lamp beads (131) correspond to the centers of the lenses (12) one by one; be provided with shading sensor mounting hole (15) on fan-shaped light source skeleton (11), shading sensor (5) are installed on shading sensor mounting hole (15).

3. The shadowless lamp light source assembly of claim 1, wherein the light source bracket (2) comprises a lamp cover clamping device (21) and a rotating shaft cover (22) for installing the light source module (1); the lamp cover clamping device (21) and the light source support (2) are integrally formed.

4. The shadowless lamp light source assembly of claim 1, wherein the spiral lifting device (4) comprises a circular flange (41), a light source framework front shaft gland (42), a flange seat (43) and a spiral adjusting screw rod (44); the light source framework front shaft gland (42) covers the fixing column of the circular flange plate (41); the spiral adjusting screw rod (44) sequentially penetrates through the centers of the circular flange plate (41) and the flange seat (43) from top to bottom, and the circular flange plate (41) is embedded into the flange seat (43).

5. The shadowless lamp light source assembly of claim 2, wherein: the lens (12) is a heptagonal lens.

6. The shadowless lamp light source assembly of claim 2 or 5, wherein: the fan-shaped aluminum substrate (13) is provided with a plurality of openings (132) for removing stress.

7. The shadowless lamp light source assembly of claim 2, wherein: the lenses (12) are separated by a partition plate (18); the partition plate (18) and the fixing column (14) on the fan-shaped light source framework (11) are integrally formed with the fan-shaped light source framework (11).

8. The shadowless lamp light source assembly of claim 2, wherein: the short arc surface of the fan-shaped light source framework (11) is provided with a rotating device (17), and the end part of the rotating device (17) is provided with a protrusion (16) for rotation.

9. The shadowless lamp light source assembly of claim 6, wherein: the opening (132) arranged on the fan-shaped aluminum substrate (13) is a U-shaped groove.