CN218645435U - Medical lighting device - Google Patents

Abstract

The utility model provides a medical lighting device, which comprises a substrate and a plurality of lighting units, wherein the substrate is provided with a plurality of light holes which are arranged in a central array of the substrate, and each light hole is correspondingly provided with one lighting unit; each lighting unit comprises an LED light source module, a light reflecting module and a fixing structure, wherein the light reflecting module is fixed on the mounting surface and can adjust the relative position of the light reflecting module and the mounting surface, so that the light emitting direction of light rays emitted by the LED light source after being reflected by the light reflecting module and penetrating through the light transmitting holes is adjusted, and the light rays are focused and projected to a preset projection point; the utility model discloses a with the lighting unit array setting of a plurality of modularized designs, adjust LED light source module's light-emitting colour, adjustment reflection of light module's installation direction and change the reflection of light module of different reflection radians or different plane of reflection, realize different focus and operation lighting demands in the certain distance.

Description

Medical lighting device

Technical Field

The utility model relates to an illumination equipment technical field especially relates to a medical lighting device.

Background

With the popularization of LED light sources, the design of LED medical lamps is more and more varied, and the main function of medical illumination is to realize local illumination, or uniform light spot brightness in a large range, or local spotlight illumination. For example, patent No. CN 110748816a of the people's republic of china discloses a dual-purpose device of dental lamp and surgical illuminating lamp for realizing optical mode switching, an optical lens is mounted on an LED illuminating module, and light is focused by refraction of the optical lens, because a light source of the LED illuminating module emits light by refraction, although the light is refracted by a plurality of optical lenses, uniformity of light spots formed after the light source is refracted by the LED light source sometimes cannot meet medical illumination requirements, and adjustment of focusing light emission of a plurality of illuminating units is complicated, a medical lamp with uniform light spots is provided, and meanwhile, illuminating devices with different focusing requirements are also met.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to overcome the disadvantages and shortcomings of the prior art, and to provide a medical lighting device.

A medical lighting device comprises a substrate and a plurality of lighting units, wherein the substrate is provided with a plurality of light holes which are arrayed in the center of the substrate, and each light hole is correspondingly provided with one lighting unit; each lighting unit comprises an LED light source module, a light reflecting module and a fixing structure, the fixing structure comprises a hollow base body, a mounting surface with a certain inclination angle is arranged above the base body, a mounting column is arranged below the base body, the mounting column extends from the edge of the base body to the center of the base body, and a through hole is formed in the tail end of the mounting column; the LED light source module comprises a PCB and at least one LED light source arranged on the PCB, the PCB is arranged between the substrate and the mounting column, and the LED light source is arranged in the through hole and emits light towards the light reflecting module; the light reflecting module is fixed on the mounting surface and can adjust the relative position of the light reflecting module and the mounting surface, so that the light emitting direction of the light rays emitted by the LED light source, which pass through the light transmitting holes after being reflected by the light reflecting module, is adjusted, and the light rays are focused and projected to a preset projection point.

The utility model realizes different focusing and operation lighting requirements within a certain distance by arranging a plurality of lighting unit arrays with modularized design, adjusting the light-emitting color of the LED light source module, adjusting the installation direction of the reflecting module and replacing the reflecting modules with different reflecting radians or different reflecting surfaces; simultaneously through setting up the LED light source at the end of erection column, the luminous direction of LED light source is opposite with the light-emitting direction of light trap, passes the light trap after focusing through reflection of light module reflection, hides the erection column for the LED light source, compares the light-emitting of straight following formula or other side light emitting structure, and the light-emitting facula is more even.

In one embodiment, each light-transmitting hole is internally provided with a fixed heat-radiating column, the extending direction of the fixed heat-radiating column is from the center of the substrate to the center of the light-transmitting hole, and the PCB is arranged between the mounting column and the fixed heat-radiating column. Through setting up fixed heat dissipation post, this fixed heat dissipation post is the same with the erection column size simultaneously, can derive the heat that the LED light source gived off rapidly.

In one of them embodiment, the below of erection column is equipped with a mounting groove, the through-hole is established the tank bottom of mounting groove, the PCB board is installed in the mounting groove. The mounting groove is consistent with the PCB in size proportion, is convenient for accomodate PCB board and LED light source, also conveniently fixes erection column, PCB board and fixed heat dissipation post as an organic whole.

In one embodiment, a reinforcing rib is arranged above the mounting column.

In one embodiment, the base body is provided with a positioning column at one side of the mounting column, the PCB board is correspondingly provided with a positioning hole, and the positioning column is inserted into the positioning hole. For the connection and fixation of the single PCB board, the mounting column and the base plate, the mounting and the positioning of the mounting column and the PCB board can be rapidly realized.

In one embodiment, the substrate is provided with a light source assembly, the light source assembly comprises a PCB substrate, a plurality of PCBs arranged in a central array of the PCB substrate, and LED light sources mounted on the PCBs, the extending direction of the PCBs is from the center of the PCB substrate to the ends of the PCBs, and the LED light sources are disposed at the ends of the PCBs.

The utility model discloses a make a whole with PCB base plate and PCB board, make through the mode that whole board punching press cut, improve the preparation efficiency, simultaneously, make into holistic PCB board and assemble more easily when fixing a position with the base plate.

In one embodiment, each of the substrates has a positioning column disposed on one side of the mounting column, the PCB substrate has a plurality of positioning holes correspondingly disposed thereon, the light source assembly is mounted on the substrate, and the positioning columns are disposed in the positioning holes.

In one embodiment, a connection hole is formed in the center of the base plate, and a mounting seat for connecting and fixing the medical lighting device is arranged in the connection hole.

In one embodiment, the light reflecting module comprises a light reflecting cup and a plurality of mounting parts uniformly arranged on the periphery of the light reflecting cup, the base body is provided with a plurality of fixing columns, the mounting parts are fixed on the fixing columns, and different projection directions of light emitted by the light reflected by the light reflecting cup are realized by changing the staggered mounting of different mounting columns.

In one embodiment, the non-reflecting surface of the reflecting cup is provided with an installation direction marking line.

The utility model discloses medical lighting device beneficial effect lies in: the lighting units are arranged in a modular design array, the light emitting color of the LED light source module is adjusted, the installation direction of the light reflecting module is adjusted, the light reflecting modules with different reflecting radians or different reflecting surfaces are replaced, and different focusing and operation lighting requirements are met within a certain distance; the LED light source is arranged at the tail end of the mounting column, the light emitting direction of the LED light source is opposite to the light emitting direction of the light transmitting hole, the LED light source penetrates through the light transmitting hole after being reflected and focused by the reflecting module, and the LED light source is hidden by the mounting column, so that light emitting spots are more uniform compared with direct type light emitting or other side face light emitting structures; the integral PCB arrangement makes the lighting device more quickly assembled.

Drawings

Fig. 1 is a schematic structural view of the medical lighting device of the present invention;

fig. 2 is another angle structure diagram of the medical illumination device of fig. 1;

fig. 3 is a schematic view of the exploded structure of the medical lighting device of the present invention;

fig. 4 is a schematic view of a part of the medical lighting device of fig. 3;

fig. 5 is a schematic view of a part of the medical lighting device of fig. 3;

FIG. 6 is a cross-sectional view of the medical lighting device of FIG. 1;

FIG. 7 is a partially enlarged schematic view of the medical lighting device of FIG. 6;

fig. 8 is another angle sectional view of the medical lighting device of fig. 1.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The utility model relates to a medical lighting device, on being applied to operation or dentistry illumination, this medical lighting device carries out the light that the LED light source sent through anti-light cup and reflects the focus light-emitting, changes light propagation direction and energy distribution through above-mentioned optical structure. The medical lighting device comprises a substrate and a plurality of lighting units, wherein the substrate is provided with a plurality of light holes which are arrayed in the center of the substrate, and each light hole is correspondingly provided with one lighting unit; each lighting unit comprises an LED light source module, a light reflecting module and a fixing structure, the fixing structure comprises a hollow base body, a mounting surface with a certain inclination angle is arranged above the base body, a mounting column is arranged below the base body, the mounting column extends to the center of the base body from the edge of the base body, and a through hole is formed in the tail end of the mounting column; the LED light source module comprises a PCB and at least one LED light source arranged on the PCB, the PCB is arranged between the substrate and the mounting column, and the LED light source is arranged in the through hole and emits light towards the light reflecting module; the light reflecting module is fixed on the mounting surface and can adjust the relative position of the light reflecting module and the mounting surface, so that the light emitting direction of the light rays emitted by the LED light source, which pass through the light transmitting holes after being reflected by the light reflecting module, is adjusted, and the light rays are focused and projected to a preset projection point.

The utility model realizes different focusing and operation lighting requirements within a certain distance by arranging a plurality of lighting unit arrays with modularized design, adjusting the light-emitting color of the LED light source module, adjusting the installation direction of the reflecting module and replacing the reflecting modules with different reflecting radians or different reflecting surfaces; simultaneously through setting up the LED light source at the end of erection column, the luminous direction of LED light source is opposite with the light-emitting direction of light trap, passes the light trap through reflecting module reflection focus after, hides LED light source with the erection column, compares the light-emitting of straight following formula or other side light emitting structure, and the light-emitting facula is more even.

Example one

Referring to fig. 1 and 2, the medical illumination device of the present invention includes a substrate 100 and a plurality of illumination units 200, the substrate 100 is provided with a plurality of light holes 101 arranged in a central array of the substrate 100, each light hole 101 is correspondingly provided with an illumination unit 200, in this embodiment, eight illumination units 200 are illustrated and exemplified, the number is not limited to eight, the eight illumination units 200 are arranged in a reference circular array by using the center of the substrate 100, and other array manners can be set according to different requirements.

More specifically, referring to fig. 3 to 8, each lighting unit 200 includes an LED light source module 1, a reflective module 2 and a fixing structure 3, where the fixing structure 3 includes a hollow substrate 31, an installation surface 32 with a certain inclination angle is disposed above the substrate 31, an installation column 33 is disposed below the substrate 31, the installation column 33 extends from the edge of the substrate 31 to the center of the substrate 31, a through hole 34 is disposed at the end of the installation column 31, the through hole 34 is in a horn shape, and the through hole is gradually enlarged from the lower side of the substrate 31 to the upper side of the substrate 31 for diffusion, so as to facilitate diffusion of light emitted by the LED light source module 1.

More specifically, the LED light source module 1 includes a PCB 11 and LED light sources 12 disposed on the PCB 11, the number and types of the LED light sources 12 can be set according to different requirements, in this embodiment, one LED light source is shown for description, the PCB 11 is disposed between the substrate 100 and the mounting post 33, the LED light sources 12 are disposed in the through holes 34 and emit light toward the light reflecting module 2, and a plurality of LED light sources can be set to control the LED light sources with different brightness or wavelength to be turned on or turned off according to different requirements, so as to achieve different light emitting effects.

More specifically, the reflective module 2 is fixed on the mounting surface 32 and can adjust the relative position between the reflective module 2 and the mounting surface 32, so as to adjust the light emitting direction of the light emitted by the LED light source 12 after being reflected by the reflective module 2 and passing through the light-transmitting hole 101, so that the light is focused and projected to a predetermined projection point.

More specifically, referring to fig. 4 and 7, the reflective module 2 includes a reflective cup 21 and a plurality of mounting portions 22 uniformly disposed on the periphery of the reflective cup 21, the base 31 is provided with a plurality of fixing posts 35, the mounting portions 22 are fixed on the fixing posts 35, and different projection directions of the light emitted from the reflective cup 21 after reflection are realized by changing different mounting posts 35 to be installed in a staggered manner. Meanwhile, in order to adjust the installation direction of the reflective module 2 and the base 31, the installation direction marks are arranged on the non-reflective surface of the reflective cup 21, and whether adjustment is needed or not is judged by setting a uniform mark line. The identification directions of the eight lighting units 200 in this embodiment are consistent, so that a focusing light emitting mode can be satisfied, and the direction of the light reflecting module 2 can be adjusted or the light reflecting module 2 with different reflecting radians can be replaced to adjust, so as to obtain different focusing light emitting spots.

More specifically, referring to fig. 2, 6, 7 and 8, a fixed heat-dissipating stud 102 is disposed in each light-transmitting hole 101, the extending direction of the fixed heat-dissipating stud 102 is from the center of the substrate 100 to the center of the light-transmitting hole 101, and the PCB 11 is disposed between the mounting stud 33 and the fixed heat-dissipating stud 102.

More specifically, referring to fig. 5 and 8, a mounting groove 36 is formed below the mounting post 33, the through hole 34 is formed at the bottom of the mounting groove 36, and the PCB 11 is mounted in the mounting groove 36. A reinforcing rib 37 is provided above the mounting post 33 to improve the connection strength between the mounting post 33 and the base 31.

More specifically, referring to fig. 3, fig. 5 and fig. 6, a positioning post 38 is disposed on one side of the mounting post 33 of the base 31, a positioning hole 13 is correspondingly disposed on the PCB 11, and the positioning post 38 is inserted into the positioning hole 13, so as to facilitate positioning and assembling of the fixing structure 3 and the PCB 11.

More specifically, referring to fig. 2 and 3, a connection hole 103 is formed in the center of the base plate 100, and a mounting base 300 for connecting and fixing the medical lighting device is installed in the connection hole 103.

Example two

Referring to fig. 3, 6 and 8, the present invention provides a medical lighting device, which has a structure substantially the same as that of the first embodiment, and the difference is that the substrate 100 is provided with a light source assembly, the light source assembly is composed of a plurality of LED light source modules 1, wherein the light source assembly includes a PCB substrate 14, a plurality of PCB boards 11 arranged in a central array of the PCB substrate 14, and LED light sources 12 mounted on the PCB boards, the PCB substrate 14 is a center, and the plurality of PCB boards 11 extend outwards from an edge of the PCB substrate 14 in a strip or column form, so that the whole PCB substrate 14 and the plurality of PCB boards 11 form a whole, and are conveniently mounted on the substrate 100; the extending direction of the PCB 11 is directed from the center of the PCB substrate 14 to the end of the PCB 11, and the LED light source 12 is disposed at the end of the PCB.

Meanwhile, the center of the PCB substrate 14 should be correspondingly provided with a mounting hole 141 for mounting the mounting socket 300, and the mounting hole 141 is larger than the connection hole 103. Each base 31 has a positioning post 38 at one side of the mounting post 33, the pcb substrate 14 has a plurality of positioning holes 13, the light source assembly is mounted on the substrate 100, and the positioning post 38 is disposed in the positioning hole 13. Make a whole through making PCB base plate and PCB board, the mode that whole board punching press was cut is made, makes into holistic PCB board and assembles more easily when fixing a position with the base plate.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The medical lighting device is characterized by comprising a substrate and a plurality of lighting units, wherein the substrate is provided with a plurality of light holes which are arrayed in the center of the substrate, and each light hole is correspondingly provided with one lighting unit; each lighting unit comprises an LED light source module, a light reflecting module and a fixing structure, the fixing structure comprises a hollow base body, a mounting surface with a certain inclination angle is arranged above the base body, a mounting column is arranged below the base body, the mounting column extends from the edge of the base body to the center of the base body, and a through hole is formed in the tail end of the mounting column; the LED light source module comprises a PCB and at least one LED light source arranged on the PCB, the PCB is arranged between the substrate and the mounting column, and the LED light source is arranged in the through hole and emits light towards the light reflecting module; the light reflecting module is fixed on the mounting surface and can adjust the relative position of the light reflecting module and the mounting surface, so that the light emitting direction of the light rays emitted by the LED light source, which pass through the light transmitting holes after being reflected by the light reflecting module, is adjusted, and the light rays are focused and projected to a preset projection point.

2. The medical lighting device of claim 1, wherein: each fixed heat dissipation post is arranged in the light transmission hole, the extending direction of the fixed heat dissipation post is directed to the center of the light transmission hole from the center of the substrate, and the PCB is arranged between the mounting post and the fixed heat dissipation post.

3. The medical lighting device of claim 1, wherein: the below of erection column is equipped with an installation groove, the through-hole is established the tank bottom of installation groove, the PCB board is installed in the installation groove.

4. The medical lighting device of claim 1, wherein: and reinforcing ribs are arranged above the mounting columns.

5. The medical lighting device of claim 1, wherein: the base body is provided with a positioning column on one side of the mounting column, the PCB is correspondingly provided with a positioning hole, and the positioning column is inserted into the positioning hole.

6. The medical lighting device of claim 1, wherein: the base plate is equipped with a light source subassembly, the light source subassembly include a PCB base plate, with a plurality of that the central array of PCB base plate set up the PCB board and install LED light source on the PCB board, the extending direction of PCB board by the center of PCB base plate is directional the end of PCB board, the LED light source sets up the end of PCB board.

7. The medical lighting device of claim 6, wherein: each base body is provided with a positioning column at one side of the mounting column, the PCB substrate is correspondingly provided with a plurality of positioning holes, the light source assembly is arranged on the substrate, and the positioning columns are arranged in the positioning holes.

8. The medical lighting device of claim 1, wherein: a connecting hole is formed in the center of the base plate, and a mounting seat used for connecting and fixing the medical lighting device is arranged in the connecting hole.

9. The medical lighting device of claim 1, wherein: the reflection of light module includes reflection of light cup and a plurality of installation department of evenly establishing at reflection of light cup periphery, be provided with a plurality of fixed columns on the base member, the installation department is fixed on the fixed column to through the installation of the dislocation of the installation post of transform difference realize the different projection direction of light-emitting after reflection of light cup.

10. The medical lighting device of claim 9, wherein: and the non-reflecting surface of the reflecting cup is provided with a mounting direction identification line.

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