CN217273601U

CN217273601U - LED light source structure and lighting device

Info

Publication number: CN217273601U
Application number: CN202220168357.0U
Authority: CN
Inventors: 邓国志
Original assignee: Zhejiang Huazhou Intelligent Equipment Co ltd
Current assignee: Zhejiang Huazhou Intelligent Equipment Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-08-23
Anticipated expiration: 2032-01-21

Abstract

The utility model relates to a LED light source structure and lighting device, including illumination structure and heat radiation structure, the illumination structure includes casing and LED light source, the casing is annular echelonment, the casing includes the first ladder, second ladder and the third ladder that are located its inboard and arrange from its bottom to top in proper order, be provided with the polaroid on the first ladder, and be provided with first LED lamp plate between polaroid and the first ladder, be provided with the second LED lamp plate on the second ladder, be provided with the diffusion board on the third ladder; the heat dissipation structure comprises a heat dissipation seat, the heat dissipation seat is sleeved on the shell, a plurality of heat dissipation fins are arranged on the bottom surface and the side surface of the heat dissipation seat at intervals, and the heat dissipation seat is used for assisting the lighting structure in dissipating heat; can provide multi-level light filling, the light that the light source gived off is more even, and the spotlight nature is better, and has good heat dispersion, can provide reliable and stable light filling illumination.

Description

LED light source structure and lighting device

Technical Field

The utility model belongs to the technical field of the lighting device technique and specifically relates to indicate a LED light source structure and lighting device.

Background

In the production and application of chips, the type and manufacturer of the chip are often determined by observing silk-screen characters on the surface of the chip, but the direct observation with naked eyes is very laborious, and particularly when very small packages are encountered, the silk-screen on the surface of the chip is difficult to see clearly, so that a microscopic observation device is required to be matched with an illumination light source for accurate and reliable observation and judgment during the observation;

however, the existing light source structure for cooperating with a microscopic observation device to observe the silk-screen characters of the chip has poor light condensation effect, and the generated light is not uniformly distributed; meanwhile, the heat dissipation effect of the existing light source structure is poor, the stability of the light source can be affected by high temperature generated by long-time work of the light source, and finally, observation and judgment of operators can be affected.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to overcome the poor light focusing effect of the light source structure used for cooperating with the microscopic observation device to observe the silk-screen characters of the chip in the prior art, and the generated light is not uniformly distributed; meanwhile, the existing light source structure has poor heat dissipation effect, and the high temperature generated by long-time work of the light source can influence the stability of the light source and influence the observation and judgment of operators; the utility model provides a LED light source structure and lighting device can provide multi-level light filling, and the light that the light source gived off is more even, and spotlight nature is better, and has good heat dispersion, can provide reliable and stable light filling illumination.

In order to solve the above technical problem, the utility model provides a LED light source structure, which comprises a lighting structure and a heat dissipation structure;

the lighting structure comprises a shell, wherein the shell is in an annular step shape, the shell comprises a first step, a second step and a third step which are sequentially arranged from the bottom to the top of the inner side of the shell, a polarizing film is arranged on the first step, a first LED lamp panel is arranged between the polarizing film and the first step, a second LED lamp panel is arranged on the second step, and a diffusion plate is arranged on the third step;

the heat dissipation structure comprises a heat dissipation seat, the heat dissipation seat is sleeved on the shell, a plurality of heat dissipation fins are arranged on the bottom surface and the side surface of the heat dissipation seat at intervals, and the heat dissipation seat is used for heat dissipation of the auxiliary lighting structure.

In an embodiment of the present invention, the first step and the second step are respectively provided with a first annular groove and a second annular groove, and the first LED lamp plate and the second LED lamp plate are respectively disposed in the first annular groove and the second annular groove.

In an embodiment of the present invention, the bottom surfaces of the first LED lamp panel and the second LED lamp panel are provided with a heat-conducting silicone sheet.

The utility model discloses an in the embodiment, be provided with the line concentration groove of vertical direction on the inner wall of casing, be provided with the line hole of crossing in the line concentration groove outside the intercommunication casing, be provided with the joint in the line hole.

The utility model discloses an in one embodiment, first LED lamp plate and second LED lamp plate are the annular lamp plate.

The utility model discloses an embodiment, equal interval is provided with a plurality of bolt holes on first ladder and the second ladder, all be provided with on the base plate of first LED lamp plate and second LED lamp plate a plurality of with the corresponding through-hole in bolt hole position, first LED lamp plate and second LED lamp plate pass through the bolt and are connected with the casing in bolt hole department.

The utility model discloses an in one embodiment, be provided with on the polaroid a plurality of with the corresponding connecting hole in bolt hole position, the bolt passes the connecting hole of polaroid and the through-hole of first LED lamp plate simultaneously and is connected with the casing at bolt hole department, just the cover is equipped with the cover of filling up that is used for supporting the polaroid on the section of bolt is located between polaroid and the first LED lamp plate.

In an embodiment of the present invention, the heat sink is a heat sink having an internal cavity, and the heat sink is provided with a water inlet and a water outlet communicating with the internal cavity.

In an embodiment of the present invention, the heat sink includes a heat sink main body and a cover plate, the cover plate is disposed on the top of the heat sink main body, the heat sink main body is provided with a ring groove, the ring groove is coiled with a heat dissipation tube, and the two ends of the heat dissipation tube are respectively connected with the water inlet and the water outlet.

An illumination device comprising the LED light source structure of any one of the above.

Compared with the prior art, the technical scheme of the utility model have following advantage:

the utility model discloses a LED light source structure and lighting device, set up and can overlap the illumination structure and the heat radiation structure together, wherein, the illumination structure is provided with the casing of annular echelonment to set up the LED lamp plate on the multistage ladder of casing, multistage LED lamp plate carries out the light filling illumination in grades, and the illuminating effect is better; the shell surrounds the two stages of LED light sources, so that the light condensing effect of the light sources is better, and the light supplementing and illuminating effect is further improved; meanwhile, the diffusion plate can convert light rays emitted by the light source into a more stable and uniform diffused light irradiation area, the light supplementing illumination effect is better, and the polaroid can weaken reflected light reflected back to the microscopic observation device, so that an observed image is clearer; in addition, the heat dissipation seat is sleeved on the outer side of the shell, the heat dissipation effect can be improved, the stability of the lighting performance of the light source is guaranteed, the whole device is simple in structure, low in manufacturing cost, good in light supplementing and lighting effects, stable in lighting process and suitable for practical use.

Drawings

In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, in conjunction with the accompanying drawings, in which

Fig. 1 is a schematic overall structure diagram of an LED light source structure according to a preferred embodiment of the present invention;

FIG. 2 is a schematic diagram of an overall structure of an illumination structure of the LED light source structure shown in FIG. 1;

FIG. 3 is an exploded view of the illumination configuration of the LED light source configuration of FIG. 1;

FIG. 4 is a schematic structural diagram of a housing of the LED light source structure shown in FIG. 1;

FIG. 5 is a schematic diagram of a heat dissipation structure of the LED light source structure shown in FIG. 1;

fig. 6 is a schematic view of a heat dissipation structure in the second embodiment of the present invention.

The specification reference numbers indicate: 1. an illumination structure; 11. a housing; 111. a first step; 112. a second step; 113. a third step; 114. a line concentration groove; 115. a wire passing hole; 116. a joint; 12. a polarizing plate; 13. a first LED lamp panel; 14. a second LED lamp panel; 15. a diffusion plate; 16. a cushion cover; 2. a heat dissipation structure; 21. a heat dissipation base; 211. a heat sink; 212. a water inlet; 213. a water outlet; 214. a heat sink body; 215. a cover plate; 216. a heat radiation pipe.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Example one

Referring to fig. 1, fig. 3, fig. 4 and fig. 5, an LED light source structure of the present invention includes an illumination structure 1 and a heat dissipation structure 2;

the lighting structure 1 comprises a shell 11, wherein the shell 11 is in an annular step shape, the shell 11 comprises a first step 111, a second step 112 and a third step 113 which are sequentially arranged from the bottom to the top of the inner side of the shell, a polaroid 12 is arranged on the first step 111, a first LED lamp panel 13 is arranged between the polaroid 12 and the first step 111, a second LED lamp panel 14 is arranged on the second step 112, and a diffusion plate 15 is arranged on the third step 113;

the heat dissipation structure 2 includes a heat dissipation seat 21, the heat dissipation seat 21 is sleeved on the housing 11, a plurality of heat dissipation fins 211 are disposed on the bottom surface and the side surface of the heat dissipation seat 21 at intervals, and the heat dissipation seat 21 is used for assisting the heat dissipation of the lighting structure 1. It is conceivable that the plurality of heat dissipation fins 211 are uniformly arranged on the surface of the heat dissipation base 21 at intervals, so that the heat dissipation area can be increased, the heat dissipation effect can be improved, and the stable operation of the light source can be ensured.

Specifically, the shell 11 is made of aluminum, and the aluminum has good heat dissipation performance and strength, and meanwhile has light weight, convenience and practicability; the casing 11 may be a casing 11 with a circular cross section or a casing 11 with a square cross section, the whole casing 11 is in an annular step shape, and includes a first step 111, a second step 112 and a third step 113 which are positioned at the inner side of the casing 11, and the first step 111, the second step 112 and the third step 113 are arranged from bottom to top in sequence; it is conceivable that the diameters or the side lengths of the first step 111, the second step 112, and the third step 113 are increased step by step, so that the light emitted from the first LED lamp panel 13 disposed on the first step 111 is not blocked by the second step 112; light source set up respectively on first step 111 and second step 112 carries out the light filling illumination in different levels, and the illuminating effect is better to including casing 11 surrounds the two-stage LED light source, the spotlight effect of light source is better.

Meanwhile, the diffusion plate 15 is arranged above the light source, so that a stable and uniform diffused light irradiation area can be obtained, and the light supplementing and illuminating effect is better; the polarizer 12 may reduce the reflected light back to the microscopic viewing device, making the observed image clearer.

Referring to fig. 1, further, a first annular groove and a second annular groove are respectively disposed on the first step 111 and the second step 112, and the first LED lamp panel 13 and the second LED lamp panel 14 are respectively disposed in the first annular groove and the second annular groove. It can be imagined that set up first ring channel and second ring channel respectively on first ladder 111 and second ladder 112 to inlay first LED lamp plate 13 and second LED lamp plate 14 respectively in two ring channels, because there is the sheltering from of annular groove inner wall, the light that first LED lamp plate 13 and second LED lamp plate 14 produced all is towards the object observed basically, can play the effect of further spotlight to a certain extent, can also reduce the influence of light to showing microscopic check out equipment simultaneously.

Meanwhile, it is conceivable that the polarizer 12 and the diffusion plate 15 are just fastened to the first step 111 and the second step 112, so as to seal the annular grooves on the first step 111 and the second step 112, and prevent contaminants such as dust from polluting the LED lamp panels in the annular grooves.

Further, the bottom surfaces of the first LED lamp panel 13 and the second LED lamp panel 14 are provided with heat-conducting silicone pieces, one surface of each heat-conducting silicone piece is in contact with the LED lamp panel, and the other surface of each heat-conducting silicone piece is in direct contact with the shell 11, so that heat generated by the LED lamp panels can be distributed out more quickly.

Specifically, first LED lamp plate 13 and second LED lamp plate 14 all include PCB lamp plate and evenly distributed's LED lamp pearl on the PCB lamp plate, and the PCB lamp plate can be aluminium base board PCB lamp plate, and aluminium base board material has high heat conductivity, can further improve the radiating effect.

Referring to fig. 4, a vertical line collecting groove 114 is further formed in an inner wall of the housing 11, a line passing hole 115 communicating with an outer side of the housing 11 is formed in the line collecting groove 114, and a joint 116 is formed in the line passing hole 115.

Further, the first LED lamp panel 13 and the second LED lamp panel 14 are both annular lamp panels corresponding to the shape of the annular groove.

Referring to fig. 3, furthermore, a plurality of bolt holes are formed in the first step 111 and the second step 112 at intervals, a plurality of through holes corresponding to the positions of the bolt holes are formed in the substrates of the first LED lamp panel 13 and the second LED lamp panel 14, and the first LED lamp panel 13 and the second LED lamp panel 14 are connected with the casing 11 at the positions of the bolt holes through bolts, so that the first LED lamp panel 13 and the second LED lamp panel 14 are convenient to install and replace.

Further, be provided with a plurality of connecting holes corresponding with the bolt hole position on the polaroid 12, the bolt passes the connecting hole of polaroid 12 and the through-hole of first LED lamp plate 13 simultaneously and is connected with casing 11 at bolt hole department, and the bolt is located the cover and is equipped with the cover 16 that is used for supporting polaroid 12 on the district section between polaroid 12 and the first LED lamp plate 13.

Example two

Referring to fig. 6, based on the first embodiment, further, the heat dissipating seat 21 is configured as the heat dissipating seat 21 having an internal cavity, the heat dissipating seat 21 is provided with the water inlet 212 and the water outlet 213 communicated with the internal cavity, and the heat dissipating seat 21 is configured as a water cooling heat dissipating seat. It should be noted that a wire outlet or a receiving hole for receiving the connector 116 is required to be reserved at a proper position on the heat sink 21.

Further, the heat sink 21 includes a heat sink main body 214 and a cover plate 215, the cover plate 215 is disposed on the top of the heat sink main body 214, an annular groove is disposed on the heat sink main body 214, a heat dissipation pipe 216 is coiled in the annular groove, and two ends of the heat dissipation pipe 216 are respectively connected to the water inlet 212 and the water outlet 213. Specifically, the heat dissipation seat 21 is configured as a split structure, and the heat dissipation seat body 214 and the cover plate 215 are detachable structures, so that the heat dissipation pipe 216 in the inner ring groove is convenient to install and replace. It is contemplated that the radiating pipe 216 in the ring groove is preferably wound on the inner wall near the inner side of the housing 11 so that the heat generated from the inside can be better conducted to the radiating pipe 216 and the radiating effect is better.

It is also conceivable to provide flow controllers at the water inlet 212 and the water outlet 213 of the heat sink 21, so that the flow rate of water or other heat dissipating medium can be adjusted according to the actual situation to ensure the heat dissipating effect.

An illumination device comprising the LED light source structure of any one of the above. It is contemplated that one of the LED light source configurations described above may be used in a variety of lighting devices.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. An LED light source structure, characterized in that: the LED lamp comprises a lighting structure and a heat dissipation structure;

the heat dissipation structure comprises a heat dissipation seat, the heat dissipation seat is sleeved on the shell, a plurality of heat dissipation fins are arranged on the bottom surface and the side surface of the heat dissipation seat at intervals, and the heat dissipation seat is used for assisting the heat dissipation of the lighting structure.

2. The LED light source structure of claim 1, wherein: be provided with first ring channel and second ring channel on first ladder and the second ladder respectively, first LED lamp plate and second LED lamp plate set up respectively in first ring channel and second ring channel.

3. The LED light source structure of claim 2, wherein: the bottom surfaces of the first LED lamp panel and the second LED lamp panel are provided with heat conduction silica gel sheets.

4. The LED light source structure of claim 1, wherein: the inner wall of the shell is provided with a line collecting groove in the vertical direction, a line passing hole communicated with the outer side of the shell is formed in the line collecting groove, and a connector is arranged in the line passing hole.

5. The LED light source structure of claim 1, wherein: the first LED lamp panel and the second LED lamp panel are both annular lamp panels.

6. The LED light source structure of claim 1, wherein: all be provided with a plurality of bolt holes at the interval on first ladder and the second ladder, all be provided with on the base plate of first LED lamp plate and second LED lamp plate a plurality of with the corresponding through-hole in bolt hole position, first LED lamp plate and second LED lamp plate pass through the bolt and are connected with the casing in bolt hole department.

7. The LED light source structure of claim 6, wherein: be provided with on the polaroid a plurality of with the corresponding connecting hole in bolt hole position, the bolt passes the connecting hole of polaroid and the through-hole of first LED lamp plate simultaneously and is connected with the casing at bolt hole department, just the cover is equipped with the cover that is used for supporting the polaroid on the section that the bolt is located between polaroid and the first LED lamp plate.

8. The LED light source structure of claim 1, wherein: the heat dissipation seat is provided with a water inlet and a water outlet which are communicated with the inner cavity.

9. The LED light source structure of claim 7, wherein: the radiating seat comprises a radiating seat main body and an apron, the apron is arranged at the top of the radiating seat main body, an annular groove is arranged on the radiating seat main body, radiating tubes are coiled in the annular groove, and the two ends of each radiating tube are respectively connected with a water inlet and a water outlet.

10. An illumination device, characterized by: comprising the LED light source structure as claimed in any of the claims 1-9.