CN204943147U - A kind of mouth lamp light source - Google Patents
A kind of mouth lamp light source Download PDFInfo
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- CN204943147U CN204943147U CN201520525187.7U CN201520525187U CN204943147U CN 204943147 U CN204943147 U CN 204943147U CN 201520525187 U CN201520525187 U CN 201520525187U CN 204943147 U CN204943147 U CN 204943147U
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- emitting diode
- light emitting
- convex lens
- light source
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Abstract
The utility model discloses a kind of mouth lamp light source, comprise housing and set gradually light emitting diode, the first convex lens and the second convex lens in the housing, described first convex lens are provided with optical flat near described light emitting diode side, are provided with the first aspheric surface convex surface optical surface away from described light emitting diode side; Described second convex lens are provided with fly's-eye lens optical surface near described light emitting diode side, are provided with the second aspherical convex surface optical surface away from described light emitting diode side.LED surface described in the utility model is provided with rectangle light-emitting area, directly can send irradiation cross section is the light of rectangle, by the adjustment of described first convex lens and the second convex lens, cover is to the mouth position of patient, for dentist provides illumination, can reach predetermined luminous intensity by the less light emitting diode of power, the caloric value of light emitting diode is little, working stability.
Description
Technical field
The utility model relates to a kind of lighting, particularly relates to a kind of mouth lamp light source.
Background technology
Mouth lamp light source is the part of mouth lamp, its supporting other housing and drive circuit etc. and form dental lamp mouth lamp.Dentist, when implementing medical care precess to patient oral cavity, needs mouth lamp to irradiate patient oral cavity to provide illumination.Because light-illuminating patient's eye can make patient not feel well, also can strengthen the intense strain of patient, therefore mouth lamp is under the prerequisite ensureing irradiation brightness, should cover patient mouth position.The mouth lamp light source of current generation rectangular light block can meet above-mentioned condition preferably.
Existing mouth lamp light source is in order to produce rectangular light block, main employing light source+square guide-lighting block+convex lens, or the version of light source+convex lens+fly's-eye lens, wherein light source is common LED light source or halogen bulb light source, light source is large at the incident angle of described optical element, causes the variable color of hot spot edge, light transmission efficiency low.
Because existing mouth lamp light source light transmission efficiency is low, in order to make it reach enough illumination, must use the light source of higher-wattage, power light source caloric value is large, the radiator fan and the louvre that need even individually to add assembly set dispel the heat, and ensure the working stability of mouth lamp light source.The radiator fan installed additional improves manufacturing cost, also brings potential faults.Described louvre reduces the sealing of mouth lamp light source entirety, easily affects the service life of mouth lamp light source because dust etc. enter lamp body inside, causes the hotbed of bacterial virus.
Summary of the invention
Technical problem to be solved in the utility model is, provide a kind of mouth lamp light source, can produce the rectangular ray of light being suitable for dentistry lighting use, features simple structure, pure color, caloric value is low, good airproof performance, working stability.
In order to solve the problems of the technologies described above, the utility model provides a kind of mouth lamp light source, comprise housing and set gradually light emitting diode, the first convex lens and the second convex lens in the housing, described first convex lens are provided with optical flat near described light emitting diode side, are provided with the first aspheric surface convex surface optical surface away from described light emitting diode side; Described second convex lens are provided with fly's-eye lens optical surface near described light emitting diode side, are provided with the second aspherical convex surface optical surface away from described light emitting diode side; Described LED surface is provided with rectangle light-emitting area.
Supplementing as such scheme, described light emitting diode is arranged on heat sink, and is close to heat sink.
Supplementing as such scheme, described heat sink is aluminium alloy heat sink.
Supplementing as such scheme, described heat sink is arranged on the outer surface of described housing bottom, and described housing bottom is provided with through hole, and described light emitting diode is just to described through hole.
Supplementing as such scheme, the arc bump horizontal array that described fly's-eye lens optical surface is rectangle by bottom forms.
Supplementing as such scheme, the curvature of described first aspheric surface convex surface optical surface is greater than the curvature of described second aspherical convex surface optical surface.
Supplementing as such scheme, described first convex lens are fixed by the first column on described housing and the first buckle, described second convex lens are fixed by the second column on described housing and the second buckle, and described first convex lens, the second convex lens and light emitting diode are arranged according to preset distance.
Implement the utility model, there is following beneficial effect:
LED surface described in the utility model is provided with rectangle light-emitting area, directly can send irradiation cross section is the light of rectangle, by the adjustment of described first convex lens and the second convex lens, cover is to the mouth position of patient, for dentist provides illumination, can reach predetermined luminous intensity by the less light emitting diode of power, the caloric value of light emitting diode is little, working stability.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of mouth lamp light source of the utility model;
Fig. 2 is another viewing angle constructions schematic diagram of a kind of mouth lamp light source of the utility model;
Fig. 3 is a kind of light emitting diode of mouth lamp light source of the utility model and the structural representation of heat sink;
Fig. 4 is the assembly structure schematic diagram of a kind of mouth lamp light source of the utility model.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail.
As Figure 1-Figure 4, the utility model embodiment provides a kind of mouth lamp light source, comprise housing 1 and light emitting diode 2, first convex lens 3 set gradually within the case 1 and the second convex lens 4, described first convex lens 3 are provided with optical flat 31 near described light emitting diode 2 side, are provided with the first aspheric surface convex surface optical surface 32 away from described light emitting diode 2 side; Described second convex lens 4 are provided with fly's-eye lens optical surface 41 near described light emitting diode 2 side, are provided with the second aspherical convex surface optical surface 42 away from described light emitting diode 2 side; Described light emitting diode 2 surface is provided with rectangle light-emitting area 21.
Light emitting diode 2 surface described in the utility model is provided with rectangle light-emitting area 21, directly can send irradiation cross section is the light of rectangle, by the adjustment of described first convex lens 3 and the second convex lens 4, cover is to the mouth position of patient, for dentist provides illumination, can reach predetermined luminous intensity by lower-powered light emitting diode 2, therefore the caloric value of light emitting diode 2 is little, working stability.
In order to improve the radiating efficiency of described light emitting diode 2, described light emitting diode 2 is arranged on heat sink 5, and is close to heat sink 5.Preferably, described heat sink 5 is aluminium alloy heat sink.Described heat sink 5 is arranged on the outer surface bottom described housing 1, is provided with through hole 11 bottom described housing 1, and described light emitting diode 2 is just to described through hole 11.
It should be noted that, the heat that light emitting diode 2 produces can be delivered in the external world by described heat sink 5, because efficiency is high, use the mouth lamp light source of this light source without the need to arranging extra louvre, good airproof performance, can prevent dust or water from spattering and enter housing 1 inside, extend the life-span of mouth lamp light source.
Wherein, the arc bump horizontal array that described fly's-eye lens optical surface 41 is rectangle by bottom forms.The curvature of described first aspheric surface convex surface optical surface 32 is greater than the curvature of described second aspherical convex surface optical surface 42.The light that described light emitting diode 2 sends by the bottom of proper alignment be the arc bump of rectangle disperse arrangement, make the light being irradiated to patient oral cavity more even.The almost plane that described first convex lens 3 and the second convex lens 4 are all plane near the side of light emitting diode 2 or are made up of arc bump horizontal array, relative to the arc plane of incidence of existing guide-lighting block or convex lens, above-mentioned two lens faces are conducive to accepting the next light of LED to greatest extent, Loss reducing.On the other hand, existing mouth lamp due to the color of hot spot impure, easily form variegated spot at edge, affect the judgement of dentist.Described first convex lens 3 and the second convex lens 4 are aspheric convex surfaces away from the side of light emitting diode 2, and convex surface is in the same way conducive to eliminating aberration, ensure that the color of hot spot is pure.
Preferably, described first convex lens 3 are fixed by the first column 12 on described housing 1 and the first buckle 13, described second convex lens 4 are fixed by the second column 14 on described housing 1 and the second buckle 15, and described first convex lens 3, second convex lens 4 and light emitting diode 2 are arranged according to preset distance.
Above disclosedly be only a kind of preferred embodiment of the utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (7)
1. a mouth lamp light source, it is characterized in that, comprise housing and set gradually light emitting diode, the first convex lens and the second convex lens in the housing, described first convex lens are provided with optical flat near described light emitting diode side, are provided with the first aspheric surface convex surface optical surface away from described light emitting diode side; Described second convex lens are provided with fly's-eye lens optical surface near described light emitting diode side, are provided with the second aspherical convex surface optical surface away from described light emitting diode side; Described LED surface is provided with rectangle light-emitting area.
2. mouth lamp light source as claimed in claim 1, it is characterized in that, described light emitting diode is arranged on heat sink, and is close to heat sink.
3. mouth lamp light source as claimed in claim 2, it is characterized in that, described heat sink is aluminium alloy heat sink.
4. mouth lamp light source as claimed in claim 3, it is characterized in that, described heat sink is arranged on the outer surface of described housing bottom, and described housing bottom is provided with through hole, and described light emitting diode is just to described through hole.
5. the mouth lamp light source as described in any one of claim 1-4, is characterized in that, the arc bump horizontal array that described fly's-eye lens optical surface is rectangle by bottom forms.
6. the mouth lamp light source as described in any one of claim 1-4, is characterized in that, the curvature of described first aspheric surface convex surface optical surface is greater than the curvature of described second aspherical convex surface optical surface.
7. the mouth lamp light source as described in any one of claim 1-4, it is characterized in that, described first convex lens are fixed by the first column on described housing and the first buckle, described second convex lens are fixed by the second column on described housing and the second buckle, and described first convex lens, the second convex lens and light emitting diode are arranged according to preset distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520525187.7U CN204943147U (en) | 2015-07-20 | 2015-07-20 | A kind of mouth lamp light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520525187.7U CN204943147U (en) | 2015-07-20 | 2015-07-20 | A kind of mouth lamp light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204943147U true CN204943147U (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520525187.7U Active CN204943147U (en) | 2015-07-20 | 2015-07-20 | A kind of mouth lamp light source |
Country Status (1)
| Country | Link |
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| CN (1) | CN204943147U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525040A (en) * | 2017-10-19 | 2017-12-29 | 佛山市升阳光学科技有限公司 | A kind of optical lens and apply its mouth lamp |
-
2015
- 2015-07-20 CN CN201520525187.7U patent/CN204943147U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525040A (en) * | 2017-10-19 | 2017-12-29 | 佛山市升阳光学科技有限公司 | A kind of optical lens and apply its mouth lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160506 Address after: The town of Nanhai District, Foshan city of Guangdong Province, Guan Guan 528237 China (North Jiangsu) Shao Hanhui Road on the west side of Building No. 17 self Patentee after: Foshan Bangning Electronic Technology Co., Ltd. Address before: 528300 Guangdong province Foshan city Shunde District Daliang Desheng road pure waterfront garden 11 10C Patentee before: Hou Zhiwen Patentee before: Zhong Xianqiang |